shm: allow monitor::ResetContent to cleanup after a crash

provide a controller which can be used to control state
transitions from an external GUI.

Jenkinsfile

@@ -89,15 +89,15 @@ pipeline{
     stage("CI") {
       steps{
         script {
-          def all = '-DHAS_ASIO=ON -DHAS_DDS=ON -DHAS_PMIX=ON'
+          def all = '-DHAS_ASIO=ON -DHAS_ASIOFI=ON -DHAS_PMIX=ON'
 
           def builds = jobMatrix('build', [
             [os: 'ubuntu', ver: '20.04', arch: 'x86_64', compiler: 'gcc-9',  extra: all],
             [os: 'fedora', ver: '32',    arch: 'x86_64', compiler: 'gcc-10', extra: all],
             [os: 'fedora', ver: '33',    arch: 'x86_64', compiler: 'gcc-10', extra: all],
             [os: 'fedora', ver: '34',    arch: 'x86_64', compiler: 'gcc-11', extra: all],
-            [os: 'macos',  ver: '11',    arch: 'x86_64', compiler: 'apple-clang-12',
-             extra: '-DHAS_ASIO=ON -DHAS_DDS=ON'],
+            [os: 'macos',  ver: '11',    arch: 'x86_64', compiler: 'apple-clang-12', extra: '-DHAS_ASIO=ON'],
+            [os: 'macos',  ver: '11',    arch: 'arm64', compiler: 'apple-clang-13', extra: '-DHAS_ASIO=ON'],
           ])
 
           def all_debug = "${all} -DCMAKE_BUILD_TYPE=Debug"

examples/1-1/CMakeLists.txt

@@ -23,10 +23,10 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-1-1.sh.in ${CMAKE_CUR
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-1-1.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-1-1.sh)
 
 add_test(NAME Example.1-1.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-1-1.sh zeromq)
-set_tests_properties(Example.1-1.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received: ")
+set_tests_properties(Example.1-1.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received: ")
 
 add_test(NAME Example.1-1.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-1-1.sh shmem)
-set_tests_properties(Example.1-1.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received: ")
+set_tests_properties(Example.1-1.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received: ")
 
 # install
 

examples/1-1/sampler.cxx

@@ -30,7 +30,7 @@ struct Sampler : fair::mq::Device
         // create message object with a pointer to the data buffer, its size,
         // custom deletion function (called when transfer is done),
         // and pointer to the object managing the data buffer
-        FairMQMessagePtr msg(NewMessage(
+        fair::mq::MessagePtr msg(NewMessage(
             const_cast<char*>(text->c_str()),
             text->length(),
             [](void* /*data*/, void* object) { delete static_cast<std::string*>(object); },

examples/1-1/sink.cxx

@@ -27,7 +27,7 @@ struct Sink : fair::mq::Device
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         LOG(info) << "Received: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
 

examples/1-1/test-ex-1-1.sh.in

@@ -8,20 +8,23 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
     transport=$1
 fi
 
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan="data"
+chanAddr="/tmp/fmq_$session""_""$chan""_""$transport"
 
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; wait $SAMPLER_PID; wait $SINK_PID;' TERM
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; wait $SAMPLER_PID; wait $SINK_PID; rm $chanAddr' TERM
 
 SAMPLER="fairmq-ex-1-1-sampler"
 SAMPLER+=" --id sampler1"
 SAMPLER+=" --rate 1"
 SAMPLER+=" --transport $transport"
 SAMPLER+=" --verbosity veryhigh"
-SAMPLER+=" --session $SESSION"
+SAMPLER+=" --session $session"
+SAMPLER+=" --shm-segment-size 100000000"
 SAMPLER+=" --control static --color false"
 SAMPLER+=" --max-iterations 1"
-SAMPLER+=" --channel-config name=data,type=push,method=bind,address=tcp://*:5555,rateLogging=0"
+SAMPLER+=" --channel-config name=$chan,type=push,method=bind,address=ipc://$chanAddr,rateLogging=0"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
@@ -29,13 +32,16 @@ SINK="fairmq-ex-1-1-sink"
 SINK+=" --id sink1"
 SINK+=" --transport $transport"
 SINK+=" --verbosity veryhigh"
-SINK+=" --session $SESSION"
+SINK+=" --session $session"
+SINK+=" --shm-segment-size 100000000"
 SINK+=" --control static --color false"
 SINK+=" --max-iterations 1"
-SINK+=" --channel-config name=data,type=pull,method=connect,address=tcp://localhost:5555,rateLogging=0"
+SINK+=" --channel-config name=$chan,type=pull,method=connect,address=ipc://$chanAddr,rateLogging=0"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK &
 SINK_PID=$!
 
 # wait for sampler and sink to finish
 wait $SAMPLER_PID
 wait $SINK_PID
+
+rm $chanAddr

examples/1-n-1/CMakeLists.txt

@@ -29,10 +29,10 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/ex-1-n-1.json ${CMAKE_CURRENT_BINARY_
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-1-n-1.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-1-n-1.sh)
 
 add_test(NAME Example.1-n-1.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-1-n-1.sh zeromq)
-set_tests_properties(Example.1-n-1.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received: ")
+set_tests_properties(Example.1-n-1.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received: ")
 
 add_test(NAME Example.1-n-1.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-1-n-1.sh shmem)
-set_tests_properties(Example.1-n-1.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received: ")
+set_tests_properties(Example.1-n-1.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received: ")
 
 # install
 

examples/1-n-1/processor.cxx

@@ -20,7 +20,7 @@ struct Processor : fair::mq::Device
         OnData("data1", &Processor::HandleData);
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         LOG(info) << "Received data, processing...";
 
@@ -32,7 +32,7 @@ struct Processor : fair::mq::Device
         // its size,
         // custom deletion function (called when transfer is done),
         // and pointer to the object managing the data buffer
-        FairMQMessagePtr msg2(NewMessage(const_cast<char*>(text->c_str()),
+        fair::mq::MessagePtr msg2(NewMessage(const_cast<char*>(text->c_str()),
                                         text->length(),
                                         [](void* /*data*/, void* object) { delete static_cast<std::string*>(object); },
                                         text));

examples/1-n-1/sampler.cxx

@@ -28,7 +28,7 @@ struct Sampler : fair::mq::Device
     {
         // Initializing message with NewStaticMessage will avoid copy
         // but won't delete the data after the sending is completed.
-        FairMQMessagePtr msg(NewStaticMessage(fText));
+        fair::mq::MessagePtr msg(NewStaticMessage(fText));
 
         LOG(info) << "Sending \"" << fText << "\"";
 

examples/1-n-1/sink.cxx

@@ -27,7 +27,7 @@ struct Sink : fair::mq::Device
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         LOG(info) << "Received: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
 

examples/1-n-1/test-ex-1-n-1.sh.in

@@ -8,20 +8,25 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
     transport=$1
 fi
 
-ex2config="@CMAKE_CURRENT_BINARY_DIR@/ex-1-n-1.json"
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan1="data1"
+chan2="data2"
+chan1Addr="/tmp/fmq_$session""_""$chan1""_""$transport"
+chan2Addr="/tmp/fmq_$session""_""$chan2""_""$transport"
 
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; kill -TERM $PROCESSOR1_PID; kill -TERM $PROCESSOR2_PID; wait $SAMPLER_PID; wait $SINK_PID; wait $PROCESSOR1_PID; wait $PROCESSOR2_PID;' TERM
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; kill -TERM $PROCESSOR1_PID; kill -TERM $PROCESSOR2_PID; wait $SAMPLER_PID; wait $SINK_PID; wait $PROCESSOR1_PID; wait $PROCESSOR2_PID; rm $chan1Addr; rm $chan2Addr' TERM
 
 SAMPLER="fairmq-ex-1-n-1-sampler"
 SAMPLER+=" --id sampler1"
 SAMPLER+=" --transport $transport"
 SAMPLER+=" --verbosity veryhigh"
-SAMPLER+=" --session $SESSION"
+SAMPLER+=" --session $session"
+SAMPLER+=" --severity debug"
+SAMPLER+=" --shm-segment-size 100000000"
 SAMPLER+=" --control static --color false"
 SAMPLER+=" --max-iterations 2"
-SAMPLER+=" --mq-config $ex2config"
+SAMPLER+=" --channel-config name=$chan1,type=push,method=bind,address=ipc://$chan1Addr,rateLogging=0"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
@@ -29,10 +34,12 @@ PROCESSOR1="fairmq-ex-1-n-1-processor"
 PROCESSOR1+=" --id processor1"
 PROCESSOR1+=" --transport $transport"
 PROCESSOR1+=" --verbosity veryhigh"
-PROCESSOR1+=" --session $SESSION"
+PROCESSOR1+=" --session $session"
+PROCESSOR1+=" --severity debug"
+PROCESSOR1+=" --shm-segment-size 100000000"
 PROCESSOR1+=" --control static --color false"
-PROCESSOR1+=" --mq-config $ex2config"
-PROCESSOR1+=" --config-key processor"
+PROCESSOR1+=" --channel-config name=$chan1,type=pull,method=connect,address=ipc://$chan1Addr,rateLogging=0"
+PROCESSOR1+="                  name=$chan2,type=push,method=connect,address=ipc://$chan2Addr,rateLogging=0"
 @CMAKE_CURRENT_BINARY_DIR@/$PROCESSOR1 &
 PROCESSOR1_PID=$!
 
@@ -40,10 +47,12 @@ PROCESSOR2="fairmq-ex-1-n-1-processor"
 PROCESSOR2+=" --id processor2"
 PROCESSOR2+=" --transport $transport"
 PROCESSOR2+=" --verbosity veryhigh"
-PROCESSOR2+=" --session $SESSION"
+PROCESSOR2+=" --session $session"
+PROCESSOR2+=" --severity debug"
+PROCESSOR2+=" --shm-segment-size 100000000"
 PROCESSOR2+=" --control static --color false"
-PROCESSOR2+=" --mq-config $ex2config"
-PROCESSOR2+=" --config-key processor"
+PROCESSOR2+=" --channel-config name=$chan1,type=pull,method=connect,address=ipc://$chan1Addr,rateLogging=0"
+PROCESSOR2+="                  name=$chan2,type=push,method=connect,address=ipc://$chan2Addr,rateLogging=0"
 @CMAKE_CURRENT_BINARY_DIR@/$PROCESSOR2 &
 PROCESSOR2_PID=$!
 
@@ -51,10 +60,12 @@ SINK="fairmq-ex-1-n-1-sink"
 SINK+=" --id sink1"
 SINK+=" --transport $transport"
 SINK+=" --verbosity veryhigh"
-SINK+=" --session $SESSION"
+SINK+=" --session $session"
+SINK+=" --severity debug"
+SINK+=" --shm-segment-size 100000000"
 SINK+=" --control static --color false"
 SINK+=" --max-iterations 2"
-SINK+=" --mq-config $ex2config"
+SINK+=" --channel-config name=$chan2,type=pull,method=bind,address=ipc://$chan2Addr,rateLogging=0"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK &
 SINK_PID=$!
 
@@ -69,3 +80,5 @@ kill -SIGINT $PROCESSOR2_PID
 # wait for everything to finish
 wait $PROCESSOR1_PID
 wait $PROCESSOR2_PID
+
+rm $chan1Addr; rm $chan2Addr

examples/builtin-devices/CMakeLists.txt

@@ -15,16 +15,16 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-builtin-devices.sh.in
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-builtin-devices.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-builtin-devices.sh)
 
 add_test(NAME Example.BuiltinDevices.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-builtin-devices.sh zeromq)
-set_tests_properties(Example.BuiltinDevices.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
+set_tests_properties(Example.BuiltinDevices.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
 
 add_test(NAME Example.BuiltinDevices.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-builtin-devices.sh shmem)
-set_tests_properties(Example.BuiltinDevices.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
+set_tests_properties(Example.BuiltinDevices.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
 
 add_test(NAME Example.BuiltinDevices.multipart.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-builtin-devices.sh zeromq true 2)
-set_tests_properties(Example.BuiltinDevices.multipart.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
+set_tests_properties(Example.BuiltinDevices.multipart.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
 
 add_test(NAME Example.BuiltinDevices.multipart.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-builtin-devices.sh shmem true 2)
-set_tests_properties(Example.BuiltinDevices.multipart.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
+set_tests_properties(Example.BuiltinDevices.multipart.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Configured maximum number of iterations reached")
 
 # install
 

examples/builtin-devices/test-ex-builtin-devices.sh.in

@@ -2,8 +2,6 @@
 
 export FAIRMQ_PATH=@FAIRMQ_BIN_DIR@
 
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
-
 transport="zeromq"
 multipart="false"
 numParts="1"
@@ -20,8 +18,22 @@ if [[ $3 =~ ^[0-9]+$ ]]; then
     numParts=$3
 fi
 
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan1="data1"
+chan2="data2"
+chan3="data3"
+chan4="data4"
+chan5="data5"
+chan1Addr="/tmp/fmq_$session""_""$chan1""_""$transport"
+chan2Addr1="/tmp/fmq_$session""_""$chan2""_1""_""$transport"
+chan2Addr2="/tmp/fmq_$session""_""$chan2""_2""_""$transport"
+chan3Addr1="/tmp/fmq_$session""_""$chan3""_1""_""$transport"
+chan3Addr2="/tmp/fmq_$session""_""$chan3""_2""_""$transport"
+chan4Addr="/tmp/fmq_$session""_""$chan4""_""$transport"
+chan5Addr="/tmp/fmq_$session""_""$chan5""_""$transport"
+
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SPLITTER_PID; kill -TERM $PROXY1_PID; kill -TERM $PROXY2_PID; kill -TERM $MERGER_PID; kill -TERM $MULTIPLIER_PID; kill -TERM $SINK_PID;' TERM
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SPLITTER_PID; kill -TERM $PROXY1_PID; kill -TERM $PROXY2_PID; kill -TERM $MERGER_PID; kill -TERM $MULTIPLIER_PID; kill -TERM $SINK_PID; rm $chan1Addr; rm $chan2Addr1; rm $chan2Addr2; rm $chan3Addr1; rm $chan3Addr2; rm $chan4Addr; rm $chan5Addr' TERM
 
 SAMPLER="fairmq-bsampler"
 SAMPLER+=" --id bsampler1"
@@ -30,14 +42,15 @@ SAMPLER+=" --transport $transport"
 SAMPLER+=" --color false"
 SAMPLER+=" --control static"
 SAMPLER+=" --verbosity veryhigh"
+SAMPLER+=" --shm-segment-size 100000000"
 SAMPLER+=" --severity debug"
 SAMPLER+=" --msg-size 100000"
 SAMPLER+=" --multipart $multipart"
 SAMPLER+=" --num-parts $numParts"
 SAMPLER+=" --msg-rate 1"
 SAMPLER+=" --max-iterations 0"
-SAMPLER+=" --out-channel data1"
-SAMPLER+=" --channel-config name=data1,type=push,method=bind,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5555"
+SAMPLER+=" --out-channel $chan1"
+SAMPLER+=" --channel-config name=$chan1,type=push,method=bind,sndBufSize=50,rcvBufSize=50,address=ipc://$chan1Addr"
 @FAIRMQ_BIN_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
@@ -48,11 +61,12 @@ SPLITTER+=" --transport $transport"
 SPLITTER+=" --color false"
 SPLITTER+=" --control static"
 SPLITTER+=" --verbosity veryhigh"
+SPLITTER+=" --shm-segment-size 100000000"
 SPLITTER+=" --multipart $multipart"
-SPLITTER+=" --in-channel data1"
-SPLITTER+=" --out-channel data2"
-SPLITTER+=" --channel-config name=data1,type=pull,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5555"
-SPLITTER+="                  name=data2,type=push,method=bind,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5556,address=tcp://localhost:5557"
+SPLITTER+=" --in-channel $chan1"
+SPLITTER+=" --out-channel $chan2"
+SPLITTER+=" --channel-config name=$chan1,type=pull,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan1Addr"
+SPLITTER+="                  name=$chan2,type=push,method=bind,sndBufSize=50,rcvBufSize=50,address=ipc://$chan2Addr1,address=ipc://$chan2Addr2"
 @FAIRMQ_BIN_DIR@/$SPLITTER &
 SPLITTER_PID=$!
 
@@ -63,11 +77,12 @@ PROXY1+=" --transport $transport"
 PROXY1+=" --color false"
 PROXY1+=" --control static"
 PROXY1+=" --verbosity veryhigh"
+PROXY1+=" --shm-segment-size 100000000"
 PROXY1+=" --multipart $multipart"
-PROXY1+=" --in-channel data2"
-PROXY1+=" --out-channel data3"
-PROXY1+=" --channel-config name=data2,type=pull,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5556"
-PROXY1+="                  name=data3,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5558"
+PROXY1+=" --in-channel $chan2"
+PROXY1+=" --out-channel $chan3"
+PROXY1+=" --channel-config name=$chan2,type=pull,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan2Addr1"
+PROXY1+="                  name=$chan3,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan3Addr1"
 @FAIRMQ_BIN_DIR@/$PROXY1 &
 PROXY1_PID=$!
 
@@ -78,11 +93,12 @@ PROXY2+=" --transport $transport"
 PROXY2+=" --color false"
 PROXY2+=" --control static"
 PROXY2+=" --verbosity veryhigh"
+PROXY2+=" --shm-segment-size 100000000"
 PROXY2+=" --multipart $multipart"
-PROXY2+=" --in-channel data2"
-PROXY2+=" --out-channel data3"
-PROXY2+=" --channel-config name=data2,type=pull,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5557"
-PROXY2+="                  name=data3,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5559"
+PROXY2+=" --in-channel $chan2"
+PROXY2+=" --out-channel $chan3"
+PROXY2+=" --channel-config name=$chan2,type=pull,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan2Addr2"
+PROXY2+="                  name=$chan3,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan3Addr2"
 @FAIRMQ_BIN_DIR@/$PROXY2 &
 PROXY2_PID=$!
 
@@ -93,11 +109,12 @@ MERGER+=" --transport $transport"
 MERGER+=" --color false"
 MERGER+=" --control static"
 MERGER+=" --verbosity veryhigh"
+MERGER+=" --shm-segment-size 100000000"
 MERGER+=" --multipart $multipart"
-MERGER+=" --in-channel data3"
-MERGER+=" --out-channel data4"
-MERGER+=" --channel-config name=data3,type=pull,method=bind,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5558,address=tcp://localhost:5559"
-MERGER+="                  name=data4,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5560"
+MERGER+=" --in-channel $chan3"
+MERGER+=" --out-channel $chan4"
+MERGER+=" --channel-config name=$chan3,type=pull,method=bind,sndBufSize=50,rcvBufSize=50,address=ipc://$chan3Addr1,address=ipc://$chan3Addr2"
+MERGER+="                  name=$chan4,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan4Addr"
 @FAIRMQ_BIN_DIR@/$MERGER &
 MERGER_PID=$!
 
@@ -108,11 +125,12 @@ MULTIPLIER+=" --transport $transport"
 MULTIPLIER+=" --color false"
 MULTIPLIER+=" --control static"
 MULTIPLIER+=" --verbosity veryhigh"
+MULTIPLIER+=" --shm-segment-size 100000000"
 MULTIPLIER+=" --multipart $multipart"
-MULTIPLIER+=" --in-channel data4"
-MULTIPLIER+=" --out-channel data5"
-MULTIPLIER+=" --channel-config name=data4,type=pull,method=bind,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5560"
-MULTIPLIER+="                  name=data5,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5561,address=tcp://localhost:5561"
+MULTIPLIER+=" --in-channel $chan4"
+MULTIPLIER+=" --out-channel $chan5"
+MULTIPLIER+=" --channel-config name=$chan4,type=pull,method=bind,sndBufSize=50,rcvBufSize=50,address=ipc://$chan4Addr"
+MULTIPLIER+="                  name=$chan5,type=push,method=connect,sndBufSize=50,rcvBufSize=50,address=ipc://$chan5Addr,address=ipc://$chan5Addr"
 @FAIRMQ_BIN_DIR@/$MULTIPLIER &
 MULTIPLIER_PID=$!
 
@@ -126,8 +144,8 @@ SINK+=" --verbosity veryhigh"
 SINK+=" --severity debug"
 SINK+=" --multipart $multipart"
 SINK+=" --max-iterations 2"
-SINK+=" --in-channel data5"
-SINK+=" --channel-config name=data5,type=pull,method=bind,sndBufSize=50,rcvBufSize=50,address=tcp://localhost:5561"
+SINK+=" --in-channel $chan5"
+SINK+=" --channel-config name=$chan5,type=pull,method=bind,sndBufSize=50,rcvBufSize=50,address=ipc://$chan5Addr"
 @FAIRMQ_BIN_DIR@/$SINK &
 SINK_PID=$!
 
@@ -146,3 +164,5 @@ wait $PROXY1_PID
 wait $PROXY2_PID
 wait $MERGER_PID
 wait $MULTIPLIER_PID
+
+rm $chan1Addr; rm $chan2Addr1; rm $chan2Addr2; rm $chan3Addr1; rm $chan3Addr2; rm $chan4Addr; rm $chan5Addr

examples/copypush/CMakeLists.txt

@@ -24,10 +24,10 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-copypush.sh.in ${CMAK
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-copypush.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-copypush.sh)
 
 add_test(NAME Example.CopyPush.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-copypush.sh zeromq)
-set_tests_properties(Example.CopyPush.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received message: ")
+set_tests_properties(Example.CopyPush.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received message: ")
 
 add_test(NAME Example.CopyPush.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-copypush.sh shmem)
-set_tests_properties(Example.CopyPush.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received message: ")
+set_tests_properties(Example.CopyPush.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received message: ")
 
 # install
 

examples/copypush/sampler.cxx

@@ -19,7 +19,7 @@ struct Sampler : fair::mq::Device
 {
     void InitTask() override
     {
-        fNumDataChannels = fChannels.at("data").size();
+        fNumDataChannels = GetNumSubChannels("data");
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
     }
 
@@ -27,10 +27,10 @@ struct Sampler : fair::mq::Device
     {
         // NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).
         // Should only be used for small data because of the cost of an additional copy
-        FairMQMessagePtr msg(NewSimpleMessage(fCounter++));
+        fair::mq::MessagePtr msg(NewSimpleMessage(fCounter++));
 
         for (int i = 0; i < fNumDataChannels - 1; ++i) {
-            FairMQMessagePtr msgCopy(NewMessage());
+            fair::mq::MessagePtr msgCopy(NewMessage());
             msgCopy->Copy(*msg);
             Send(msgCopy, "data", i);
         }

examples/copypush/sink.cxx

@@ -27,7 +27,7 @@ struct Sink : fair::mq::Device
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         LOG(info) << "Received message: \"" << *(static_cast<uint64_t*>(msg->GetData())) << "\"";
 

examples/copypush/test-ex-copypush.sh.in

@@ -8,19 +8,24 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
     transport=$1
 fi
 
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan="data"
+chanAddr1="/tmp/fmq_$session""_""$chan""_1""_""$transport"
+chanAddr2="/tmp/fmq_$session""_""$chan""_2""_""$transport"
 
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK1_PID; kill -TERM $SINK2_PID; wait $SAMPLER_PID; wait $SINK1_PID; wait $SINK2_PID;' TERM
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK1_PID; kill -TERM $SINK2_PID; wait $SAMPLER_PID; wait $SINK1_PID; wait $SINK2_PID; rm $chanAddr1; rm $chanAddr2' TERM
 
 SAMPLER="fairmq-ex-copypush-sampler"
 SAMPLER+=" --id sampler1"
 SAMPLER+=" --transport $transport"
 SAMPLER+=" --verbosity veryhigh"
-SAMPLER+=" --session $SESSION"
+SAMPLER+=" --severity debug"
+SAMPLER+=" --shm-segment-size 100000000"
+SAMPLER+=" --session $session"
 SAMPLER+=" --control static --color false"
 SAMPLER+=" --max-iterations 1"
-SAMPLER+=" --channel-config name=data,type=push,method=bind,rateLogging=0,address=tcp://*:5555,address=tcp://*:5556"
+SAMPLER+=" --channel-config name=$chan,type=push,method=bind,rateLogging=0,address=ipc://$chanAddr1,address=ipc://$chanAddr2"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
@@ -28,10 +33,12 @@ SINK1="fairmq-ex-copypush-sink"
 SINK1+=" --id sink1"
 SINK1+=" --transport $transport"
 SINK1+=" --verbosity veryhigh"
-SINK1+=" --session $SESSION"
+SINK1+=" --severity debug"
+SINK1+=" --shm-segment-size 100000000"
+SINK1+=" --session $session"
 SINK1+=" --control static --color false"
 SINK1+=" --max-iterations 1"
-SINK1+=" --channel-config name=data,type=pull,method=connect,rateLogging=0,address=tcp://localhost:5555"
+SINK1+=" --channel-config name=$chan,type=pull,method=connect,rateLogging=0,address=ipc://$chanAddr1"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK1 &
 SINK1_PID=$!
 
@@ -39,10 +46,12 @@ SINK2="fairmq-ex-copypush-sink"
 SINK2+=" --id sink2"
 SINK2+=" --transport $transport"
 SINK2+=" --verbosity veryhigh"
-SINK2+=" --session $SESSION"
+SINK2+=" --severity debug"
+SINK2+=" --shm-segment-size 100000000"
+SINK2+=" --session $session"
 SINK2+=" --control static --color false"
 SINK2+=" --max-iterations 1"
-SINK2+=" --channel-config name=data,type=pull,method=connect,rateLogging=0,address=tcp://localhost:5556"
+SINK2+=" --channel-config name=$chan,type=pull,method=connect,rateLogging=0,address=ipc://$chanAddr2"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK2 &
 SINK2_PID=$!
 
@@ -50,3 +59,5 @@ SINK2_PID=$!
 wait $SAMPLER_PID
 wait $SINK1_PID
 wait $SINK2_PID
+
+rm $chanAddr1; rm $chanAddr2

examples/dds/processor.cxx

@@ -20,7 +20,7 @@ struct Processor : fair::mq::Device
         OnData("data1", &Processor::HandleData);
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         LOG(info) << "Received data, processing...";
 
@@ -32,7 +32,7 @@ struct Processor : fair::mq::Device
         // its size,
         // custom deletion function (called when transfer is done),
         // and pointer to the object managing the data buffer
-        FairMQMessagePtr msg2(NewMessage(const_cast<char*>(text->c_str()),
+        fair::mq::MessagePtr msg2(NewMessage(const_cast<char*>(text->c_str()),
                                         text->length(),
                                         [](void* /*data*/, void* object) { delete static_cast<std::string*>(object); },
                                         text));

examples/dds/sampler.cxx

@@ -24,7 +24,7 @@ struct Sampler : fair::mq::Device
     {
         // NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).
         // Should only be used for small data because of the cost of an additional copy
-        FairMQMessagePtr msg(NewSimpleMessage("Data"));
+        fair::mq::MessagePtr msg(NewSimpleMessage("Data"));
 
         LOG(info) << "Sending \"Data\"";
 

examples/dds/sink.cxx

@@ -25,7 +25,7 @@ struct Sink : fair::mq::Device
         fIterations = fConfig->GetValue<uint64_t>("iterations");
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         LOG(info) << "Received: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
 

examples/multipart/CMakeLists.txt

@@ -23,14 +23,14 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-multipart.sh.in ${CMA
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-multipart.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multipart.sh)
 
 add_test(NAME Example.Multipart.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multipart.sh zeromq)
-set_tests_properties(Example.Multipart.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received message with 7 parts")
+set_tests_properties(Example.Multipart.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received message with 7 parts")
 
 add_test(NAME Example.Multipart.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multipart.sh shmem)
-set_tests_properties(Example.Multipart.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received message with 7 parts")
+set_tests_properties(Example.Multipart.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received message with 7 parts")
 
 if(BUILD_OFI_TRANSPORT)
   add_test(NAME Example.Multipart.ofi COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multipart.sh ofi)
-  set_tests_properties(Example.Multipart.ofi PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received message with 7 parts")
+  set_tests_properties(Example.Multipart.ofi PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received message with 7 parts")
 endif()
 
 # install

examples/multipart/README.md

@@ -5,7 +5,7 @@ A topology of two devices - Sampler and Sink, communicating with PUSH-PULL patte
 
 The Sampler sends a multipart message to the Sink, consisting of two message parts - header and body.
 
-Each message part is a regular FairMQMessage. To combine them into a multi-part message use `FairMQParts`. Add messages to `FairMQParts` with `AddPart` method.
+Each message part is a regular fair::mq::Message. To combine them into a multi-part message use `fair::mq::Parts`. Add messages to `fair::mq::Parts` with `AddPart` method.
 
 All parts are guaranteed to be delivered together. The Receive call in the sink will recive the entire parts structure.
 

examples/multipart/sampler.cxx

@@ -35,15 +35,15 @@ struct Sampler : fair::mq::Device
         }
         LOG(info) << "Sending header with stopFlag: " << header.stopFlag;
 
-        FairMQParts parts;
+        fair::mq::Parts parts;
 
         // NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).
         // Should only be used for small data because of the cost of an additional copy
         parts.AddPart(NewSimpleMessage(header));
         parts.AddPart(NewMessage(1000));
 
-        // create more data parts, testing the FairMQParts in-place constructor
-        FairMQParts auxData{ NewMessage(500), NewMessage(600), NewMessage(700) };
+        // create more data parts, testing the fair::mq::Parts in-place constructor
+        fair::mq::Parts auxData{ NewMessage(500), NewMessage(600), NewMessage(700) };
         assert(auxData.Size() == 3);
         parts.AddPart(std::move(auxData));
         assert(auxData.Size() == 0);

examples/multipart/sink.cxx

@@ -20,7 +20,7 @@ struct Sink : fair::mq::Device
         OnData("data", &Sink::HandleData);
     }
 
-    bool HandleData(FairMQParts& parts, int)
+    bool HandleData(fair::mq::Parts& parts, int)
     {
         LOG(info) << "Received message with " << parts.Size() << " parts";
 

examples/multipart/test-ex-multipart.sh.in

@@ -8,19 +8,28 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
     transport=$1
 fi
 
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan="data"
+chanAddr=""
+chanIpcFile="/tmp/fmq_$session""_""$chan""_""$transport"
+if [ $transport = "ofi" ]; then
+    chanAddr="tcp://127.0.0.1:5656"
+else
+    chanAddr="ipc://""$chanIpcFile"
+fi
 
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; wait $SAMPLER_PID; wait $SINK_PID;' TERM
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; wait $SAMPLER_PID; wait $SINK_PID; rm $chanIpcFile' TERM
 
 SAMPLER="fairmq-ex-multipart-sampler"
 SAMPLER+=" --id sampler1"
 SAMPLER+=" --transport $transport"
 SAMPLER+=" --verbosity veryhigh"
-SAMPLER+=" --session $SESSION"
+SAMPLER+=" --session $session"
+SAMPLER+=" --shm-segment-size 100000000"
 SAMPLER+=" --max-iterations 1"
 SAMPLER+=" --control static --color false"
-SAMPLER+=" --channel-config name=data,type=pair,method=connect,rateLogging=0,address=tcp://127.0.0.1:5555,linger=1000"
+SAMPLER+=" --channel-config name=$chan,type=pair,method=connect,rateLogging=0,address=$chanAddr,linger=1000"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
@@ -28,11 +37,14 @@ SINK="fairmq-ex-multipart-sink"
 SINK+=" --id sink1"
 SINK+=" --transport $transport"
 SINK+=" --verbosity veryhigh"
-SINK+=" --session $SESSION"
+SINK+=" --session $session"
+SINK+=" --shm-segment-size 100000000"
 SINK+=" --control static --color false"
-SINK+=" --channel-config name=data,type=pair,method=bind,rateLogging=0,address=tcp://127.0.0.1:5555"
+SINK+=" --channel-config name=$chan,type=pair,method=bind,rateLogging=0,address=$chanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK &
 SINK_PID=$!
 
 wait $SAMPLER_PID
 wait $SINK_PID
+
+rm $chanIpcFile

examples/multiple-channels/CMakeLists.txt

@@ -26,7 +26,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-multiple-channels.sh.
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-multiple-channels.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multiple-channels.sh)
 
 add_test(NAME Example.MultipleChannels.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multiple-channels.sh zeromq)
-set_tests_properties(Example.MultipleChannels.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received messages from both sources.")
+set_tests_properties(Example.MultipleChannels.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received messages from both sources.")
 
 # install
 

examples/multiple-channels/README.md

@@ -5,4 +5,4 @@ This example demonstrates how to work with multiple channels and multiplex betwe
 
 A topology of three devices - **Sampler**, **Sink** and **Broadcaster**. The Sampler sends data to the Sink via the PUSH-PULL pattern. The Broadcaster device sends a message to both Sampler and Sink containing a string "OK" every second. The Broadcaster sends the message via PUB pattern. Both Sampler and Sink, besides doing their PUSH-PULL job, listen via SUB to the Broadcaster.
 
-The multiplexing between their data channels and the broadcast channels happens with `FairMQPoller`.
+The multiplexing between their data channels and the broadcast channels happens with `fair::mq::Poller`.

examples/multiple-channels/broadcaster.cxx

@@ -22,7 +22,7 @@ struct Broadcaster : fair::mq::Device
 
         // NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).
         // Should only be used for small data because of the cost of an additional copy
-        FairMQMessagePtr msg(NewSimpleMessage("OK"));
+        fair::mq::MessagePtr msg(NewSimpleMessage("OK"));
 
         LOG(info) << "Sending OK";
 

examples/multiple-channels/sampler.cxx

@@ -7,7 +7,7 @@
  ********************************************************************************/
 
 #include <fairmq/Device.h>
-#include <FairMQPoller.h>
+#include <fairmq/Poller.h>
 #include <fairmq/runDevice.h>
 
 #include <chrono>
@@ -26,13 +26,13 @@ struct Sampler : fair::mq::Device
 
     void Run() override
     {
-        FairMQPollerPtr poller(NewPoller("data", "broadcast"));
+        fair::mq::PollerPtr poller(NewPoller("data", "broadcast"));
 
         while (!NewStatePending()) {
             poller->Poll(100);
 
             if (poller->CheckInput("broadcast", 0)) {
-                FairMQMessagePtr msg(NewMessage());
+                fair::mq::MessagePtr msg(NewMessage());
 
                 if (Receive(msg, "broadcast") > 0) {
                     LOG(info) << "Received broadcast: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
@@ -42,7 +42,7 @@ struct Sampler : fair::mq::Device
             if (poller->CheckOutput("data", 0)) {
                 std::this_thread::sleep_for(std::chrono::seconds(1));
 
-                FairMQMessagePtr msg(NewSimpleMessage(fText));
+                fair::mq::MessagePtr msg(NewSimpleMessage(fText));
 
                 if (Send(msg, "data") > 0) {
                     LOG(info) << "Sent \"" << fText << "\"";

examples/multiple-channels/sink.cxx

@@ -27,7 +27,7 @@ struct Sink : fair::mq::Device
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
     }
 
-    bool HandleBroadcast(FairMQMessagePtr& msg, int /*index*/)
+    bool HandleBroadcast(fair::mq::MessagePtr& msg, int /*index*/)
     {
         LOG(info) << "Received broadcast: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
         fReceivedBroadcast = true;
@@ -35,7 +35,7 @@ struct Sink : fair::mq::Device
         return CheckIterations();
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int /*index*/)
+    bool HandleData(fair::mq::MessagePtr& msg, int /*index*/)
     {
         LOG(info) << "Received message: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";
         fReceivedData = true;

examples/multiple-channels/test-ex-multiple-channels.sh.in

@@ -8,18 +8,25 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
     transport=$1
 fi
 
-# setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; kill -TERM $BROADCASTER_PID; wait $SAMPLER_PID; wait $SINK_PID; wait $BROADCASTER_PID;' TERM
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+dataChan="data"
+broadcastChan="broadcast"
+dataChanAddr="/tmp/fmq_$session""_""$dataChan""_""$transport"
+broadcastChanAddr="/tmp/fmq_$session""_""$broadcastChan""_""$transport"
 
+# setup a trap to kill everything if the test fails/timeouts
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; kill -TERM $BROADCASTER_PID; wait $SAMPLER_PID; wait $SINK_PID; wait $BROADCASTER_PID; rm $dataChanAddr; rm $broadcastChanAddr' TERM
 
 SINK="fairmq-ex-multiple-channels-sink"
 SINK+=" --id sink1"
+SINK+=" --session $session"
 SINK+=" --transport $transport"
-SINK+=" --verbosity veryhigh"
+SINK+=" --verbosity veryhigh --severity debug"
+SINK+=" --shm-segment-size 100000000"
 SINK+=" --max-iterations 1"
 SINK+=" --control static --color false"
-SINK+=" --channel-config name=data,type=pull,method=connect,rateLogging=0,address=tcp://localhost:5555"
-SINK+="                  name=broadcast,type=sub,method=connect,rateLogging=0,address=tcp://localhost:5005"
+SINK+=" --channel-config name=$dataChan,type=pull,method=connect,rateLogging=0,address=ipc://$dataChanAddr"
+SINK+="                  name=$broadcastChan,type=sub,method=connect,rateLogging=0,address=ipc://$broadcastChanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK &
 SINK_PID=$!
 
@@ -27,21 +34,25 @@ sleep 1
 
 SAMPLER="fairmq-ex-multiple-channels-sampler"
 SAMPLER+=" --id sampler1"
+SAMPLER+=" --session $session"
 SAMPLER+=" --transport $transport"
-SAMPLER+=" --verbosity veryhigh"
+SAMPLER+=" --verbosity veryhigh --severity debug"
+SAMPLER+=" --shm-segment-size 100000000"
 SAMPLER+=" --max-iterations 1"
 SAMPLER+=" --control static --color false"
-SAMPLER+=" --channel-config name=data,type=push,method=bind,rateLogging=0,address=tcp://*:5555"
-SAMPLER+="                  name=broadcast,type=sub,method=connect,rateLogging=0,address=tcp://localhost:5005"
+SAMPLER+=" --channel-config name=$dataChan,type=push,method=bind,rateLogging=0,address=ipc://$dataChanAddr"
+SAMPLER+="                  name=$broadcastChan,type=sub,method=connect,rateLogging=0,address=ipc://$broadcastChanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
 BROADCASTER="fairmq-ex-multiple-channels-broadcaster"
 BROADCASTER+=" --id broadcaster1"
+BROADCASTER+=" --session $session"
 BROADCASTER+=" --transport $transport"
-BROADCASTER+=" --verbosity veryhigh"
+BROADCASTER+=" --verbosity veryhigh --severity debug"
+BROADCASTER+=" --shm-segment-size 100000000"
 BROADCASTER+=" --control static --color false"
-BROADCASTER+=" --channel-config name=broadcast,type=pub,method=bind,rateLogging=0,address=tcp://*:5005"
+BROADCASTER+=" --channel-config name=$broadcastChan,type=pub,method=bind,rateLogging=0,address=ipc://$broadcastChanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$BROADCASTER &
 BROADCASTER_PID=$!
 
@@ -53,3 +64,5 @@ kill -SIGINT $BROADCASTER_PID
 
 # wait for broadcaster to finish
 wait $BROADCASTER_PID
+
+rm $dataChanAddr; rm $broadcastChanAddr

examples/multiple-transports/CMakeLists.txt

@@ -25,7 +25,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-multiple-transports.s
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-multiple-transports.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multiple-transports.sh)
 add_test(NAME Example.MultipleTransports COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-multiple-transports.sh)
-set_tests_properties(Example.MultipleTransports PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received messages from both sources.")
+set_tests_properties(Example.MultipleTransports PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received messages from both sources.")
 
 # install
 

examples/multiple-transports/sampler1.cxx

@@ -28,7 +28,7 @@ struct Sampler1 : fair::mq::Device
     bool ConditionalRun() override
     {
         // Creates a message using the transport of channel data1
-        FairMQMessagePtr msg(NewMessageFor("data1", 0, 1000000));
+        fair::mq::MessagePtr msg(NewMessageFor("data1", 0, 1000000));
 
         // in case of error or transfer interruption, return false to go to IDLE state
         // successfull transfer will return number of bytes transfered (can be 0 if sending an empty message).
@@ -54,7 +54,7 @@ struct Sampler1 : fair::mq::Device
         uint64_t numAcks = 0;
 
         while (!NewStatePending()) {
-            FairMQMessagePtr ack(NewMessageFor("ack", 0));
+            fair::mq::MessagePtr ack(NewMessageFor("ack", 0));
             if (Receive(ack, "ack") < 0) {
                 break;
             }

examples/multiple-transports/sampler2.cxx

@@ -22,7 +22,7 @@ struct Sampler2 : fair::mq::Device
 
     bool ConditionalRun() override
     {
-        FairMQMessagePtr msg(NewMessage(1000));
+        fair::mq::MessagePtr msg(NewMessage(1000));
 
         // in case of error or transfer interruption, return false to go to IDLE state
         // successfull transfer will return number of bytes transfered (can be 0 if sending an empty message).

examples/multiple-transports/sink.cxx

@@ -26,11 +26,11 @@ struct Sink : fair::mq::Device
     }
 
     // handler is called whenever a message arrives on "data", with a reference to the message and a sub-channel index (here 0)
-    bool HandleData1(FairMQMessagePtr& /*msg*/, int /*index*/)
+    bool HandleData1(fair::mq::MessagePtr& /*msg*/, int /*index*/)
     {
         fNumIterations1++;
         // Creates a message using the transport of channel ack
-        FairMQMessagePtr ack(NewMessageFor("ack", 0));
+        fair::mq::MessagePtr ack(NewMessageFor("ack", 0));
         if (Send(ack, "ack") < 0) {
             return false;
         }
@@ -40,7 +40,7 @@ struct Sink : fair::mq::Device
     }
 
     // handler is called whenever a message arrives on "data", with a reference to the message and a sub-channel index (here 0)
-    bool HandleData2(FairMQMessagePtr& /*msg*/, int /*index*/)
+    bool HandleData2(fair::mq::MessagePtr& /*msg*/, int /*index*/)
     {
         fNumIterations2++;
         // return true if want to be called again (otherwise go to IDLE state)

examples/multiple-transports/test-ex-multiple-transports.sh.in

@@ -2,46 +2,57 @@
 
 export FAIRMQ_PATH=@FAIRMQ_BIN_DIR@
 
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan1="data1"
+chan2="data2"
+ackChan="ack"
+chan1Addr="/tmp/fmq_$session""_""$chan1"
+chan2Addr="/tmp/fmq_$session""_""$chan2"
+ackChanAddr="/tmp/fmq_$session""_""$ackChan"
 
-trap 'kill -TERM $SAMPLER1_PID; kill -TERM $SAMPLER2_PID; kill -TERM $SINK_PID; wait $SAMPLER1_PID; wait $SAMPLER2_PID; wait $SINK_PID; @CMAKE_BINARY_DIR@/fairmq/fairmq-shmmonitor --cleanup --session $SESSION;' TERM
+trap 'kill -TERM $SAMPLER1_PID; kill -TERM $SAMPLER2_PID; kill -TERM $SINK_PID; wait $SAMPLER1_PID; wait $SAMPLER2_PID; wait $SINK_PID; @CMAKE_BINARY_DIR@/fairmq/fairmq-shmmonitor --cleanup --session $SESSION; rm $chan1Addr; rm $chan2Addr; rm $ackChanAddr' TERM
 
 SINK="fairmq-ex-multiple-transports-sink"
 SINK+=" --id sink1"
-SINK+=" --verbosity veryhigh"
-SINK+=" --session $SESSION"
+SINK+=" --verbosity veryhigh --severity debug"
+SINK+=" --shm-segment-size 100000000"
+SINK+=" --session $session"
 SINK+=" --max-iterations 1"
 SINK+=" --control static --color false"
 SINK+=" --transport shmem"
-SINK+=" --channel-config name=data1,type=pull,method=connect,address=tcp://127.0.0.1:5555"
-SINK+="                  name=data2,type=pull,method=connect,address=tcp://127.0.0.1:5556,transport=zeromq"
-SINK+="                  name=ack,type=pub,method=connect,address=tcp://127.0.0.1:5557,transport=zeromq"
+SINK+=" --channel-config name=$chan1,type=pull,method=connect,address=ipc://$chan1Addr"
+SINK+="                  name=$chan2,type=pull,method=connect,address=ipc://$chan2Addr,transport=zeromq"
+SINK+="                  name=$ackChan,type=pub,method=connect,address=ipc://$ackChanAddr,transport=zeromq"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK &
 SINK_PID=$!
 
 SAMPLER1="fairmq-ex-multiple-transports-sampler1"
 SAMPLER1+=" --id sampler1"
-SAMPLER1+=" --session $SESSION"
-SAMPLER1+=" --verbosity veryhigh"
+SAMPLER1+=" --session $session"
+SAMPLER1+=" --verbosity veryhigh --severity debug"
+SAMPLER1+=" --shm-segment-size 100000000"
 SAMPLER1+=" --max-iterations 1"
 SAMPLER1+=" --control static --color false"
 SAMPLER1+=" --transport shmem"
-SAMPLER1+=" --channel-config name=data1,type=push,method=bind,address=tcp://127.0.0.1:5555"
-SAMPLER1+="                  name=ack,type=sub,method=bind,address=tcp://127.0.0.1:5557,transport=zeromq"
+SAMPLER1+=" --channel-config name=$chan1,type=push,method=bind,address=ipc://$chan1Addr"
+SAMPLER1+="                  name=$ackChan,type=sub,method=bind,address=ipc://$ackChanAddr,transport=zeromq"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER1 &
 SAMPLER1_PID=$!
 
 SAMPLER2="fairmq-ex-multiple-transports-sampler2"
 SAMPLER2+=" --id sampler2"
-SAMPLER2+=" --session $SESSION"
-SAMPLER2+=" --verbosity veryhigh"
+SAMPLER2+=" --session $session"
+SAMPLER2+=" --verbosity veryhigh --severity debug"
+SAMPLER2+=" --shm-segment-size 100000000"
 SAMPLER2+=" --max-iterations 1"
 SAMPLER2+=" --control static --color false"
 SAMPLER2+=" --transport zeromq"
-SAMPLER2+=" --channel-config name=data2,type=push,method=bind,address=tcp://127.0.0.1:5556"
+SAMPLER2+=" --channel-config name=$chan2,type=push,method=bind,address=ipc://$chan2Addr"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER2 &
 SAMPLER2_PID=$!
 
 wait $SAMPLER1_PID
 wait $SAMPLER2_PID
 wait $SINK_PID
+
+rm $chan1Addr; rm $chan2Addr; rm $ackChanAddr

examples/n-m/receiver.cxx

@@ -24,7 +24,7 @@ namespace bpo = boost::program_options;
 
 struct TFBuffer
 {
-    FairMQParts parts;
+    fair::mq::Parts parts;
     chrono::steady_clock::time_point start;
     chrono::steady_clock::time_point end;
 };
@@ -43,7 +43,7 @@ struct Receiver : fair::mq::Device
         fMaxTimeframes = GetConfig()->GetValue<int>("max-timeframes");
     }
 
-    bool HandleData(FairMQParts& parts, int /* index */)
+    bool HandleData(fair::mq::Parts& parts, int /* index */)
     {
         Header& h = *(static_cast<Header*>(parts.At(0)->GetData()));
         // LOG(info) << "Received sub-time frame #" << h.id << " from Sender" << h.senderIndex;
@@ -107,7 +107,7 @@ void addCustomOptions(bpo::options_description& options)
         ("max-timeframes", bpo::value<int>()->default_value(0), "Maximum number of timeframes to receive (0 - unlimited)");
 }
 
-std::unique_ptr<fair::mq::Device> getDevice(FairMQProgOptions& /* config */)
+std::unique_ptr<fair::mq::Device> getDevice(fair::mq::ProgOptions& /* config */)
 {
     return std::make_unique<Receiver>();
 }

examples/n-m/sender.cxx

@@ -28,11 +28,11 @@ struct Sender : fair::mq::Device
 
     void Run() override
     {
-        FairMQChannel& dataInChannel = fChannels.at("sync").at(0);
+        fair::mq::Channel& dataInChannel = GetChannel("sync", 0);
 
         while (!NewStatePending()) {
             Header h;
-            FairMQMessagePtr id(NewMessage());
+            fair::mq::MessagePtr id(NewMessage());
             if (dataInChannel.Receive(id) > 0) {
                 h.id = *(static_cast<uint16_t*>(id->GetData()));
                 h.senderIndex = fIndex;
@@ -40,7 +40,7 @@ struct Sender : fair::mq::Device
                 continue;
             }
 
-            FairMQParts parts;
+            fair::mq::Parts parts;
             parts.AddPart(NewSimpleMessage(h));
             parts.AddPart(NewMessage(fSubtimeframeSize));
 
@@ -66,7 +66,7 @@ void addCustomOptions(bpo::options_description& options)
         ("subtimeframe-size", bpo::value<int>()->default_value(1000), "Subtimeframe size in bytes")
         ("num-receivers", bpo::value<int>()->required(), "Number of EPNs");
 }
-std::unique_ptr<fair::mq::Device> getDevice(FairMQProgOptions& /* config */)
+std::unique_ptr<fair::mq::Device> getDevice(fair::mq::ProgOptions& /* config */)
 {
     return std::make_unique<Sender>();
 }

examples/n-m/synchronizer.cxx

@@ -19,7 +19,7 @@ struct Synchronizer : fair::mq::Device
 {
     bool ConditionalRun() override
     {
-        FairMQMessagePtr msg(NewSimpleMessage(fTimeframeId));
+        fair::mq::MessagePtr msg(NewSimpleMessage(fTimeframeId));
 
         if (Send(msg, "sync") > 0) {
             if (++fTimeframeId == UINT16_MAX - 1) {
@@ -37,7 +37,7 @@ struct Synchronizer : fair::mq::Device
 };
 
 void addCustomOptions(bpo::options_description& /* options */) {}
-std::unique_ptr<fair::mq::Device> getDevice(FairMQProgOptions& /* config */)
+std::unique_ptr<fair::mq::Device> getDevice(fair::mq::ProgOptions& /* config */)
 {
     return std::make_unique<Synchronizer>();
 }

examples/qc/qCDispatcher.cxx

@@ -30,10 +30,10 @@ struct QCDispatcher : fair::mq::Device
         });
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int)
+    bool HandleData(fair::mq::MessagePtr& msg, int)
     {
         if (fDoQC.load() == true) {
-            FairMQMessagePtr msgCopy(NewMessage());
+            fair::mq::MessagePtr msgCopy(NewMessage());
             msgCopy->Copy(*msg);
             if (Send(msg, "qc") < 0) {
                 return false;

examples/qc/qCTask.cxx

@@ -9,12 +9,12 @@
 #include <fairmq/Device.h>
 #include <fairmq/runDevice.h>
 
-class QCTask : public FairMQDevice
+class QCTask : public fair::mq::Device
 {
   public:
     QCTask()
     {
-        OnData("qc", [](FairMQMessagePtr& /*msg*/, int) {
+        OnData("qc", [](fair::mq::MessagePtr& /*msg*/, int) {
             LOG(info) << "received data";
             return false;
         });

examples/qc/sampler.cxx

@@ -16,7 +16,7 @@ struct Sampler : fair::mq::Device
 {
     bool ConditionalRun() override
     {
-        FairMQMessagePtr msg(NewMessage(1000));
+        fair::mq::MessagePtr msg(NewMessage(1000));
 
         if (Send(msg, "data1") < 0) {
             return false;

examples/qc/sink.cxx

@@ -14,7 +14,7 @@
 struct Sink : fair::mq::Device
 {
     Sink() { OnData("data2", &Sink::HandleData); }
-    bool HandleData(FairMQMessagePtr& /*msg*/, int /*index*/) { return true; }
+    bool HandleData(fair::mq::MessagePtr& /*msg*/, int /*index*/) { return true; }
 };
 
 namespace bpo = boost::program_options;

examples/readout/builder.cxx

@@ -13,7 +13,7 @@
 
 namespace bpo = boost::program_options;
 
-class Builder : public FairMQDevice
+class Builder : public fair::mq::Device
 {
   public:
     Builder() = default;
@@ -24,7 +24,7 @@ class Builder : public FairMQDevice
         OnData("rb", &Builder::HandleData);
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int /*index*/)
+    bool HandleData(fair::mq::MessagePtr& msg, int /*index*/)
     {
         if (Send(msg, fOutputChannelName) < 0) {
             return false;

examples/readout/processor.cxx

@@ -18,9 +18,9 @@ struct Processor : fair::mq::Device
         OnData("bp", &Processor::HandleData);
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int /*index*/)
+    bool HandleData(fair::mq::MessagePtr& msg, int /*index*/)
     {
-        FairMQMessagePtr msg2(NewMessageFor("ps", 0, msg->GetSize()));
+        fair::mq::MessagePtr msg2(NewMessageFor("ps", 0, msg->GetSize()));
         if (Send(msg2, "ps") < 0) {
             return false;
         }

examples/readout/readout.cxx

@@ -22,7 +22,7 @@ struct Readout : fair::mq::Device
         fMsgSize = fConfig->GetProperty<int>("msg-size");
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
 
-        fRegion = FairMQUnmanagedRegionPtr(NewUnmanagedRegionFor("rb",
+        fRegion = fair::mq::UnmanagedRegionPtr(NewUnmanagedRegionFor("rb",
                                                                 0,
                                                                 10000000,
                                                                 [this](const std::vector<fair::mq::RegionBlock>& blocks) { // callback to be called when message buffers no longer needed by transport
@@ -36,7 +36,7 @@ struct Readout : fair::mq::Device
 
     bool ConditionalRun() override
     {
-        FairMQMessagePtr msg(NewMessageFor("rb", // channel
+        fair::mq::MessagePtr msg(NewMessageFor("rb", // channel
                                             0, // sub-channel
                                             fRegion, // region
                                             fRegion->GetData(), // ptr within region
@@ -71,7 +71,7 @@ struct Readout : fair::mq::Device
     int fMsgSize = 10000;
     uint64_t fMaxIterations = 0;
     uint64_t fNumIterations = 0;
-    FairMQUnmanagedRegionPtr fRegion = nullptr;
+    fair::mq::UnmanagedRegionPtr fRegion = nullptr;
     std::atomic<uint64_t> fNumUnackedMsgs = 0;
 };
 

examples/readout/receiver.cxx

@@ -26,7 +26,7 @@ struct Receiver : Device
 
     void Run() override
     {
-        Channel& dataInChannel = fChannels.at("sr").at(0);
+        Channel& dataInChannel = GetChannel("sr", 0);
 
         while (!NewStatePending()) {
             auto msg(dataInChannel.NewMessage());

examples/readout/sender.cxx

@@ -21,7 +21,7 @@ struct Sender : fair::mq::Device
         OnData(fInputChannelName, &Sender::HandleData);
     }
 
-    bool HandleData(FairMQMessagePtr& msg, int /*index*/)
+    bool HandleData(fair::mq::MessagePtr& msg, int /*index*/)
     {
         if (Send(msg, "sr") < 0) {
             return false;

examples/region/CMakeLists.txt

@@ -12,7 +12,10 @@ target_link_libraries(fairmq-ex-region-sampler PRIVATE FairMQ)
 add_executable(fairmq-ex-region-sink sink.cxx)
 target_link_libraries(fairmq-ex-region-sink PRIVATE FairMQ)
 
-add_custom_target(ExampleRegion DEPENDS fairmq-ex-region-sampler fairmq-ex-region-sink)
+add_executable(fairmq-ex-region-keep-alive keep-alive.cxx)
+target_link_libraries(fairmq-ex-region-keep-alive PRIVATE FairMQ)
+
+add_custom_target(ExampleRegion DEPENDS fairmq-ex-region-sampler fairmq-ex-region-sink fairmq-ex-region-keep-alive)
 
 set(EX_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR})
 set(FAIRMQ_BIN_DIR ${CMAKE_BINARY_DIR}/fairmq)
@@ -23,10 +26,10 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-region.sh.in ${CMAKE_
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-region.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-region.sh)
 
 add_test(NAME Example.Region.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-region.sh zeromq)
-set_tests_properties(Example.Region.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received [0-9*] acks")
+set_tests_properties(Example.Region.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received [0-9*] acks")
 
 add_test(NAME Example.Region.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-region.sh shmem)
-set_tests_properties(Example.Region.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received [0-9*] acks")
+set_tests_properties(Example.Region.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received [0-9*] acks")
 
 # install
 

examples/region/keep-alive.cxx

@@ -0,0 +1,144 @@
+/********************************************************************************
+ *    Copyright (C) 2021 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *              GNU Lesser General Public Licence (LGPL) version 3,             *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+#include <fairmq/shmem/Common.h>
+#include <fairmq/shmem/UnmanagedRegion.h>
+#include <fairmq/shmem/Segment.h>
+#include <fairmq/shmem/Monitor.h>
+
+#include <fairmq/tools/Unique.h>
+
+#include <fairlogger/Logger.h>
+
+#include <boost/algorithm/string.hpp>
+#include <boost/program_options.hpp>
+
+#include <csignal>
+
+#include <chrono>
+#include <map>
+#include <string>
+#include <thread>
+
+using namespace std;
+using namespace boost::program_options;
+
+namespace
+{
+    volatile sig_atomic_t gStopping = 0;
+}
+
+void signalHandler(int /* signal */)
+{
+    gStopping = 1;
+}
+
+struct ShmManager
+{
+    ShmManager(uint64_t _shmId, const vector<string>& _segments, const vector<string>& _regions)
+        : shmId(fair::mq::shmem::makeShmIdStr(_shmId))
+    {
+        for (const auto& s : _segments) {
+            vector<string> segmentConf;
+            boost::algorithm::split(segmentConf, s, boost::algorithm::is_any_of(","));
+            if (segmentConf.size() != 2) {
+                LOG(error) << "incorrect format for --segments. Expecting pairs of <id>,<size>.";
+                fair::mq::shmem::Monitor::Cleanup(fair::mq::shmem::ShmId{shmId});
+                throw runtime_error("incorrect format for --segments. Expecting pairs of <id>,<size>.");
+            }
+            uint16_t id = stoi(segmentConf.at(0));
+            uint64_t size = stoull(segmentConf.at(1));
+            auto ret = segments.emplace(id, fair::mq::shmem::Segment(shmId, id, size, fair::mq::shmem::rbTreeBestFit));
+            fair::mq::shmem::Segment& segment = ret.first->second;
+            LOG(info) << "Created segment " << id << " of size " << segment.GetSize() << ", starting at " << segment.GetData() << ". Locking...";
+            segment.Lock();
+            LOG(info) << "Done.";
+            LOG(info) << "Zeroing...";
+            segment.Zero();
+            LOG(info) << "Done.";
+        }
+
+        for (const auto& r : _regions) {
+            vector<string> regionConf;
+            boost::algorithm::split(regionConf, r, boost::algorithm::is_any_of(","));
+            if (regionConf.size() != 2) {
+                LOG(error) << "incorrect format for --regions. Expecting pairs of <id>,<size>.";
+                fair::mq::shmem::Monitor::Cleanup(fair::mq::shmem::ShmId{shmId});
+                throw runtime_error("incorrect format for --regions. Expecting pairs of <id>,<size>.");
+            }
+            uint16_t id = stoi(regionConf.at(0));
+            uint64_t size = stoull(regionConf.at(1));
+            auto ret = regions.emplace(id, make_unique<fair::mq::shmem::UnmanagedRegion>(shmId, id, size));
+            fair::mq::shmem::UnmanagedRegion& region = *(ret.first->second);
+            LOG(info) << "Created unamanged region " << id << " of size " << region.GetSize() << ", starting at " << region.GetData() << ". Locking...";
+            region.Lock();
+            LOG(info) << "Done.";
+            LOG(info) << "Zeroing...";
+            region.Zero();
+            LOG(info) << "Done.";
+        }
+    }
+
+    void ResetContent()
+    {
+        fair::mq::shmem::Monitor::ResetContent(fair::mq::shmem::ShmId{shmId});
+    }
+
+    ~ShmManager()
+    {
+        // clean all segments, regions and any other shmem objects belonging to this shmId
+        fair::mq::shmem::Monitor::Cleanup(fair::mq::shmem::ShmId{shmId});
+    }
+
+    std::string shmId;
+    map<uint16_t, fair::mq::shmem::Segment> segments;
+    map<uint16_t, unique_ptr<fair::mq::shmem::UnmanagedRegion>> regions;
+};
+
+int main(int argc, char** argv)
+{
+    fair::Logger::SetConsoleColor(true);
+
+    signal(SIGINT, signalHandler);
+    signal(SIGTERM, signalHandler);
+
+    try {
+        uint64_t shmId = 0;
+        vector<string> segments;
+        vector<string> regions;
+
+        options_description desc("Options");
+        desc.add_options()
+            ("shmid", value<uint64_t>(&shmId)->required(), "Shm id")
+            ("segments", value<vector<string>>(&segments)->multitoken()->composing(), "Segments, as <id>,<size> <id>,<size> <id>,<size> ...")
+            ("regions",  value<vector<string>>(&regions)->multitoken()->composing(), "Regions, as <id>,<size> <id>,<size> <id>,<size> ...")
+            ("help,h", "Print help");
+
+        variables_map vm;
+        store(parse_command_line(argc, argv, desc), vm);
+
+        if (vm.count("help")) {
+            LOG(info) << "ShmManager" << "\n" << desc;
+            return 0;
+        }
+
+        notify(vm);
+
+        ShmManager shmManager(shmId, segments, regions);
+
+        while (!gStopping) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(50));
+        }
+
+        LOG(info) << "stopping.";
+    } catch (exception& e) {
+        LOG(error) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit";
+        return 2;
+    }
+
+    return 0;
+}

examples/region/sampler.cxx

@@ -23,7 +23,7 @@ struct Sampler : fair::mq::Device
         fLinger = fConfig->GetProperty<uint32_t>("region-linger");
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
 
-        fChannels.at("data").at(0).Transport()->SubscribeToRegionEvents([](FairMQRegionInfo info) {
+        GetChannel("data", 0).Transport()->SubscribeToRegionEvents([](fair::mq::RegionInfo info) {
             LOG(info) << "Region event: " << info.event << ": "
                     << (info.managed ? "managed" : "unmanaged")
                     << ", id: " << info.id
@@ -32,27 +32,25 @@ struct Sampler : fair::mq::Device
                     << ", flags: " << info.flags;
         });
 
-        fRegion = FairMQUnmanagedRegionPtr(NewUnmanagedRegionFor("data", // region is created using the transport of this channel...
+        fair::mq::RegionConfig regionCfg;
+        regionCfg.linger = fLinger; // delay in ms before region destruction to collect outstanding events
+        regionCfg.lock = true; // mlock region after creation
+        regionCfg.zero = true; // zero region content after creation
+        fRegion = fair::mq::UnmanagedRegionPtr(NewUnmanagedRegionFor("data", // region is created using the transport of this channel...
                                                                 0,      // ... and this sub-channel
                                                                 10000000, // region size
                                                                 [this](const std::vector<fair::mq::RegionBlock>& blocks) { // callback to be called when message buffers no longer needed by transport
                                                                     std::lock_guard<std::mutex> lock(fMtx);
                                                                     fNumUnackedMsgs -= blocks.size();
-
                                                                     if (fMaxIterations > 0) {
                                                                         LOG(info) << "Received " << blocks.size() << " acks";
                                                                     }
-                                                                },
-                                                                "", // path, if a region is backed by a file
-                                                                0,  // flags that are passed for region creation
-                                                                fair::mq::RegionConfig{true, true} // additional config: { call mlock on the region, zero the region memory }
-                                                                ));
-        fRegion->SetLinger(fLinger);
+                                                                }, regionCfg));
     }
 
     bool ConditionalRun() override
     {
-        FairMQMessagePtr msg(NewMessageFor("data", // channel
+        fair::mq::MessagePtr msg(NewMessageFor("data", // channel
                                             0, // sub-channel
                                             fRegion, // region
                                             fRegion->GetData(), // ptr within region
@@ -87,7 +85,7 @@ struct Sampler : fair::mq::Device
                 LOG(info) << "All acknowledgements received.";
             }
         }
-        fChannels.at("data").at(0).Transport()->UnsubscribeFromRegionEvents();
+        GetChannel("data", 0).Transport()->UnsubscribeFromRegionEvents();
     }
 
   private:
@@ -95,7 +93,7 @@ struct Sampler : fair::mq::Device
     uint32_t fLinger = 100;
     uint64_t fMaxIterations = 0;
     uint64_t fNumIterations = 0;
-    FairMQUnmanagedRegionPtr fRegion = nullptr;
+    fair::mq::UnmanagedRegionPtr fRegion = nullptr;
     std::mutex fMtx;
     uint64_t fNumUnackedMsgs = 0;
 };

examples/region/sink.cxx

@@ -22,7 +22,7 @@ struct Sink : Device
     {
         // Get the fMaxIterations value from the command line options (via fConfig)
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
-        fChannels.at("data").at(0).Transport()->SubscribeToRegionEvents([](RegionInfo info) {
+        GetChannel("data", 0).Transport()->SubscribeToRegionEvents([](RegionInfo info) {
             LOG(info) << "Region event: " << info.event << ": "
                       << (info.managed ? "managed" : "unmanaged") << ", id: " << info.id
                       << ", ptr: " << info.ptr << ", size: " << info.size
@@ -32,7 +32,7 @@ struct Sink : Device
 
     void Run() override
     {
-        Channel& dataInChannel = fChannels.at("data").at(0);
+        Channel& dataInChannel = GetChannel("data", 0);
 
         while (!NewStatePending()) {
             auto msg(dataInChannel.Transport()->CreateMessage());
@@ -51,7 +51,7 @@ struct Sink : Device
 
     void ResetTask() override
     {
-        fChannels.at("data").at(0).Transport()->UnsubscribeFromRegionEvents();
+        GetChannel("data", 0).Transport()->UnsubscribeFromRegionEvents();
     }
 
   private:

examples/region/test-ex-region.sh.in

@@ -9,22 +9,25 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
 fi
 
 msgSize="1000000"
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan="data"
+chanAddr="/tmp/fmq_$session""_""$chan""_""$transport"
 
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; wait $SAMPLER_PID; wait $SINK_PID; @CMAKE_BINARY_DIR@/fairmq/fairmq-shmmonitor --cleanup --session $SESSION' TERM
+trap 'kill -TERM $SAMPLER_PID; kill -TERM $SINK_PID; wait $SAMPLER_PID; wait $SINK_PID; @CMAKE_BINARY_DIR@/fairmq/fairmq-shmmonitor --cleanup --session $SESSION; rm $chanAddr' TERM
 
 SAMPLER="fairmq-ex-region-sampler"
 SAMPLER+=" --id sampler1"
 SAMPLER+=" --transport $transport"
 SAMPLER+=" --severity debug"
-SAMPLER+=" --session $SESSION"
+SAMPLER+=" --session $session"
+SAMPLER+=" --shm-segment-size 100000000"
 SAMPLER+=" --verbosity veryhigh"
 SAMPLER+=" --control static --color false"
 SAMPLER+=" --max-iterations 1"
 SAMPLER+=" --msg-size $msgSize"
 SAMPLER+=" --region-linger 500"
-SAMPLER+=" --channel-config name=data,type=push,method=bind,address=tcp://127.0.0.1:7777"
+SAMPLER+=" --channel-config name=$chan,type=push,method=bind,address=ipc://$chanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$SAMPLER &
 SAMPLER_PID=$!
 
@@ -32,14 +35,17 @@ SINK="fairmq-ex-region-sink"
 SINK+=" --id sink1"
 SINK+=" --transport $transport"
 SINK+=" --severity debug"
-SINK+=" --session $SESSION"
+SINK+=" --session $session"
+SINK+=" --shm-segment-size 100000000"
 SINK+=" --verbosity veryhigh"
 SINK+=" --control static --color false"
 SINK+=" --max-iterations 1"
-SINK+=" --channel-config name=data,type=pull,method=connect,address=tcp://127.0.0.1:7777"
+SINK+=" --channel-config name=$chan,type=pull,method=connect,address=ipc://$chanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$SINK &
 SINK_PID=$!
 
 # wait for sampler and sink to finish
 wait $SAMPLER_PID
 wait $SINK_PID
+
+rm $chanAddr

examples/req-rep/CMakeLists.txt

@@ -24,10 +24,10 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/fairmq-start-ex-req-rep.sh.in ${CMAKE
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/test-ex-req-rep.sh.in ${CMAKE_CURRENT_BINARY_DIR}/test-ex-req-rep.sh)
 
 add_test(NAME Example.ReqRep.zeromq COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-req-rep.sh zeromq)
-set_tests_properties(Example.ReqRep.zeromq PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received reply from server: ")
+set_tests_properties(Example.ReqRep.zeromq PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received reply from server: ")
 
 add_test(NAME Example.ReqRep.shmem COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test-ex-req-rep.sh shmem)
-set_tests_properties(Example.ReqRep.shmem PROPERTIES TIMEOUT "30" RUN_SERIAL true PASS_REGULAR_EXPRESSION "Received reply from server: ")
+set_tests_properties(Example.ReqRep.shmem PROPERTIES TIMEOUT "30" PASS_REGULAR_EXPRESSION "Received reply from server: ")
 
 # install
 

examples/req-rep/client.cxx

@@ -32,11 +32,11 @@ struct Client : fair::mq::Device
         // its size,
         // custom deletion function (called when transfer is done),
         // and pointer to the object managing the data buffer
-        FairMQMessagePtr req(NewMessage(const_cast<char*>(text->c_str()), // data
+        fair::mq::MessagePtr req(NewMessage(const_cast<char*>(text->c_str()), // data
                                                             text->length(), // size
                                                             [](void* /*data*/, void* object) { delete static_cast<std::string*>(object); }, // deletion callback
                                                             text)); // object that manages the data
-        FairMQMessagePtr rep(NewMessage());
+        fair::mq::MessagePtr rep(NewMessage());
 
         LOG(info) << "Sending \"" << fText << "\" to server.";
 

examples/req-rep/server.cxx

@@ -26,7 +26,7 @@ struct Server : fair::mq::Device
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
     }
 
-    bool HandleData(FairMQMessagePtr& req, int)
+    bool HandleData(fair::mq::MessagePtr& req, int)
     {
         LOG(info) << "Received request from client: \"" << std::string(static_cast<char*>(req->GetData()), req->GetSize()) << "\"";
 
@@ -34,7 +34,7 @@ struct Server : fair::mq::Device
 
         LOG(info) << "Sending reply to client.";
 
-        FairMQMessagePtr rep(NewMessage(const_cast<char*>(text->c_str()), // data
+        fair::mq::MessagePtr rep(NewMessage(const_cast<char*>(text->c_str()), // data
                                                             text->length(), // size
                                                             [](void* /*data*/, void* object) { delete static_cast<std::string*>(object); }, // deletion callback
                                                             text)); // object that manages the data

examples/req-rep/test-ex-req-rep.sh.in

@@ -8,19 +8,22 @@ if [[ $1 =~ ^[a-z]+$ ]]; then
     transport=$1
 fi
 
-SESSION="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+session="$(@CMAKE_BINARY_DIR@/fairmq/fairmq-uuid-gen -h)"
+chan="data"
+chanAddr="/tmp/fmq_$session""_""$chan""_""$transport"
 
 # setup a trap to kill everything if the test fails/timeouts
-trap 'kill -TERM $CLIENT_PID; kill -TERM $SERVER_PID; wait $CLIENT_PID; wait $SERVER_PID;' TERM
+trap 'kill -TERM $CLIENT_PID; kill -TERM $SERVER_PID; wait $CLIENT_PID; wait $SERVER_PID; rm $chanAddr' TERM
 
 CLIENT="fairmq-ex-req-rep-client"
 CLIENT+=" --id client"
 CLIENT+=" --transport $transport"
 CLIENT+=" --verbosity veryhigh"
-CLIENT+=" --session $SESSION"
+CLIENT+=" --session $session"
+CLIENT+=" --shm-segment-size 100000000"
 CLIENT+=" --control static --color false"
 CLIENT+=" --max-iterations 1"
-CLIENT+=" --channel-config name=data,type=req,method=connect,rateLogging=0,address=tcp://127.0.0.1:5005"
+CLIENT+=" --channel-config name=$chan,type=req,method=connect,rateLogging=0,address=ipc://$chanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$CLIENT &
 CLIENT_PID=$!
 
@@ -28,13 +31,16 @@ SERVER="fairmq-ex-req-rep-server"
 SERVER+=" --id server"
 SERVER+=" --transport $transport"
 SERVER+=" --verbosity veryhigh"
-SERVER+=" --session $SESSION"
+SERVER+=" --session $session"
+SERVER+=" --shm-segment-size 100000000"
 SERVER+=" --control static --color false"
 SERVER+=" --max-iterations 1"
-SERVER+=" --channel-config name=data,type=rep,method=bind,rateLogging=0,address=tcp://127.0.0.1:5005"
+SERVER+=" --channel-config name=$chan,type=rep,method=bind,rateLogging=0,address=ipc://$chanAddr"
 @CMAKE_CURRENT_BINARY_DIR@/$SERVER &
 SERVER_PID=$!
 
 # wait for everything to finish
 wait $CLIENT_PID
 wait $SERVER_PID
+
+rm $chanAddr

fairmq/CMakeLists.txt

@@ -30,7 +30,9 @@ if(BUILD_FAIRMQ OR BUILD_SDK)
 
   set(TOOLS_PUBLIC_HEADER_FILES
     tools/CppSTL.h
+    tools/Exceptions.h
     tools/InstanceLimit.h
+    tools/IO.h
     tools/Network.h
     tools/Process.h
     tools/RateLimit.h
@@ -190,6 +192,9 @@ if(BUILD_FAIRMQ)
     runDevice.h
     runFairMQDevice.h
     shmem/Monitor.h
+    shmem/Common.h
+    shmem/UnmanagedRegion.h
+    shmem/Segment.h
   )
 
   set(FAIRMQ_PRIVATE_HEADER_FILES
@@ -204,12 +209,11 @@ if(BUILD_FAIRMQ)
     plugins/control/Control.h
     shmem/Message.h
     shmem/Poller.h
-    shmem/UnmanagedRegion.h
+    shmem/UnmanagedRegionImpl.h
     shmem/Socket.h
     shmem/TransportFactory.h
-    shmem/Common.h
     shmem/Manager.h
-    shmem/Region.h
+    zeromq/Common.h
     zeromq/Context.h
     zeromq/Message.h
     zeromq/Poller.h
@@ -246,6 +250,7 @@ if(BUILD_FAIRMQ)
     TransportFactory.cxx
     plugins/config/Config.cxx
     plugins/control/Control.cxx
+    shmem/Common.cxx
     shmem/Manager.cxx
     shmem/Monitor.cxx
   )
@@ -382,7 +387,7 @@ if(BUILD_FAIRMQ)
     fairmq_target_tidy(TARGET fairmq-splitter)
   endif()
 
-  add_executable(fairmq-shmmonitor shmem/Monitor.cxx shmem/Monitor.h shmem/runMonitor.cxx)
+  add_executable(fairmq-shmmonitor shmem/Common.cxx shmem/Monitor.cxx shmem/Monitor.h shmem/runMonitor.cxx)
   target_compile_features(fairmq-shmmonitor PUBLIC cxx_std_17)
   target_compile_definitions(fairmq-shmmonitor PUBLIC BOOST_ERROR_CODE_HEADER_ONLY)
   if(FAIRMQ_DEBUG_MODE)

fairmq/Channel.cxx

@@ -39,6 +39,8 @@ constexpr int Channel::DefaultSndBufSize;
 constexpr int Channel::DefaultRcvBufSize;
 constexpr int Channel::DefaultSndKernelSize;
 constexpr int Channel::DefaultRcvKernelSize;
+constexpr int Channel::DefaultSndTimeoutMs;
+constexpr int Channel::DefaultRcvTimeoutMs;
 constexpr int Channel::DefaultLinger;
 constexpr int Channel::DefaultRateLogging;
 constexpr int Channel::DefaultPortRangeMin;
@@ -73,6 +75,8 @@ Channel::Channel(string name, string type, string method, string address, shared
     , fRcvBufSize(DefaultRcvBufSize)
     , fSndKernelSize(DefaultSndKernelSize)
     , fRcvKernelSize(DefaultRcvKernelSize)
+    , fSndTimeoutMs(DefaultSndTimeoutMs)
+    , fRcvTimeoutMs(DefaultRcvTimeoutMs)
     , fLinger(DefaultLinger)
     , fRateLogging(DefaultRateLogging)
     , fPortRangeMin(DefaultPortRangeMin)
@@ -97,6 +101,8 @@ Channel::Channel(const string& name, int index, const Properties& properties)
     fRcvBufSize = GetPropertyOrDefault(properties, string(prefix + "rcvBufSize"), DefaultRcvBufSize);
     fSndKernelSize = GetPropertyOrDefault(properties, string(prefix + "sndKernelSize"), DefaultSndKernelSize);
     fRcvKernelSize = GetPropertyOrDefault(properties, string(prefix + "rcvKernelSize"), DefaultRcvKernelSize);
+    fSndTimeoutMs = GetPropertyOrDefault(properties, string(prefix + "sndTimeoutMs"), DefaultSndTimeoutMs);
+    fRcvTimeoutMs = GetPropertyOrDefault(properties, string(prefix + "rcvTimeoutMs"), DefaultRcvTimeoutMs);
     fLinger = GetPropertyOrDefault(properties, string(prefix + "linger"), DefaultLinger);
     fRateLogging = GetPropertyOrDefault(properties, string(prefix + "rateLogging"), DefaultRateLogging);
     fPortRangeMin = GetPropertyOrDefault(properties, string(prefix + "portRangeMin"), DefaultPortRangeMin);
@@ -120,6 +126,8 @@ Channel::Channel(const Channel& chan, string newName)
     , fRcvBufSize(chan.fRcvBufSize)
     , fSndKernelSize(chan.fSndKernelSize)
     , fRcvKernelSize(chan.fRcvKernelSize)
+    , fSndTimeoutMs(chan.fSndTimeoutMs)
+    , fRcvTimeoutMs(chan.fRcvTimeoutMs)
     , fLinger(chan.fLinger)
     , fRateLogging(chan.fRateLogging)
     , fPortRangeMin(chan.fPortRangeMin)
@@ -146,6 +154,8 @@ Channel& Channel::operator=(const Channel& chan)
     fRcvBufSize = chan.fRcvBufSize;
     fSndKernelSize = chan.fSndKernelSize;
     fRcvKernelSize = chan.fRcvKernelSize;
+    fSndTimeoutMs = chan.fSndTimeoutMs;
+    fRcvTimeoutMs = chan.fRcvTimeoutMs;
     fLinger = chan.fLinger;
     fRateLogging = chan.fRateLogging;
     fPortRangeMin = chan.fPortRangeMin;

fairmq/Channel.h

@@ -9,7 +9,6 @@
 #ifndef FAIR_MQ_CHANNEL_H
 #define FAIR_MQ_CHANNEL_H
 
-#include <cstdint>   // int64_t
 #include <fairmq/Message.h>
 #include <fairmq/Parts.h>
 #include <fairmq/Properties.h>
@@ -17,8 +16,9 @@
 #include <fairmq/TransportFactory.h>
 #include <fairmq/Transports.h>
 #include <fairmq/UnmanagedRegion.h>
+
+#include <cstdint>   // int64_t
 #include <memory>   // unique_ptr, shared_ptr
-#include <mutex>
 #include <stdexcept>
 #include <string>
 #include <utility>   // std::move
@@ -73,21 +73,25 @@ class Channel
     Channel(const Channel&, std::string name);
 
     /// Move constructor
-    // Channel(Channel&&) = delete;
+    Channel(Channel&&) = default;
 
     /// Assignment operator
     Channel& operator=(const Channel&);
 
     /// Move assignment operator
-    // Channel& operator=(Channel&&) = delete;
+    Channel& operator=(Channel&&) = default;
 
     /// Destructor
-    virtual ~Channel() = default;
+    ~Channel() = default;
     // { LOG(warn) << "Destroying channel '" << fName << "'"; }
 
     struct ChannelConfigurationError : std::runtime_error { using std::runtime_error::runtime_error; };
 
-    Socket& GetSocket() const { assert(fSocket); return *fSocket; }
+    Socket& GetSocket() const
+    {
+        assert(fSocket); // NOLINT(cppcoreguidelines-pro-bounds-array-to-pointer-decay)
+        return *fSocket;
+    }
 
     bool Bind(const std::string& address)
     {
@@ -162,6 +166,14 @@ class Channel
     /// @return Returns socket kernel transmit receive buffer size (in bytes)
     int GetRcvKernelSize() const { return fRcvKernelSize; }
 
+    /// Get socket default send timeout (in ms)
+    /// @return Returns socket default send timeout (in ms)
+    int GetSndTimeout() const { return fSndTimeoutMs; }
+
+    /// Get socket default receive timeout (in ms)
+    /// @return Returns socket default receive timeout (in ms)
+    int GetRcvTimeout() const { return fRcvTimeoutMs; }
+
     /// Get linger duration (in milliseconds)
     /// @return Returns linger duration (in milliseconds)
     int GetLinger() const { return fLinger; }
@@ -182,6 +194,14 @@ class Channel
     /// @return true/false, true if automatic binding is enabled
     bool GetAutoBind() const { return fAutoBind; }
 
+    /// @par Thread Safety
+    /// * @e Distinct @e objects: Safe.@n
+    /// * @e Shared @e objects: Unsafe.
+    auto GetNumberOfConnectedPeers() const
+    {
+        return fSocket ? fSocket->GetNumberOfConnectedPeers() : 0;
+    }
+
     /// Set channel name
     /// @param name Arbitrary channel name
     void UpdateName(const std::string& name) { fName = name; Invalidate(); }
@@ -204,39 +224,47 @@ class Channel
 
     /// Set socket send buffer size
     /// @param sndBufSize Socket send buffer size (in number of messages)
-    void UpdateSndBufSize(const int sndBufSize) { fSndBufSize = sndBufSize; Invalidate(); }
+    void UpdateSndBufSize(int sndBufSize) { fSndBufSize = sndBufSize; Invalidate(); }
 
     /// Set socket receive buffer size
     /// @param rcvBufSize Socket receive buffer size (in number of messages)
-    void UpdateRcvBufSize(const int rcvBufSize) { fRcvBufSize = rcvBufSize; Invalidate(); }
+    void UpdateRcvBufSize(int rcvBufSize) { fRcvBufSize = rcvBufSize; Invalidate(); }
 
     /// Set socket kernel transmit send buffer size (in bytes)
     /// @param sndKernelSize Socket send buffer size (in bytes)
-    void UpdateSndKernelSize(const int sndKernelSize) { fSndKernelSize = sndKernelSize; Invalidate(); }
+    void UpdateSndKernelSize(int sndKernelSize) { fSndKernelSize = sndKernelSize; Invalidate(); }
 
     /// Set socket kernel transmit receive buffer size (in bytes)
     /// @param rcvKernelSize Socket receive buffer size (in bytes)
-    void UpdateRcvKernelSize(const int rcvKernelSize) { fRcvKernelSize = rcvKernelSize; Invalidate(); }
+    void UpdateRcvKernelSize(int rcvKernelSize) { fRcvKernelSize = rcvKernelSize; Invalidate(); }
+
+    /// Set socket default send timeout (in ms)
+    /// @param sndTimeoutMs Socket default send timeout (in ms)
+    void UpdateSndTimeout(int sndTimeoutMs) { fSndTimeoutMs = sndTimeoutMs; Invalidate(); }
+
+    /// Set socket default receive timeout (in ms)
+    /// @param rcvTimeoutMs Socket default receive timeout (in ms)
+    void UpdateRcvTimeout(int rcvTimeoutMs) { fRcvTimeoutMs = rcvTimeoutMs; Invalidate(); }
 
     /// Set linger duration (in milliseconds)
     /// @param duration linger duration (in milliseconds)
-    void UpdateLinger(const int duration) { fLinger = duration; Invalidate(); }
+    void UpdateLinger(int duration) { fLinger = duration; Invalidate(); }
 
     /// Set socket rate logging interval (in seconds)
     /// @param rateLogging Socket rate logging interval (in seconds)
-    void UpdateRateLogging(const int rateLogging) { fRateLogging = rateLogging; Invalidate(); }
+    void UpdateRateLogging(int rateLogging) { fRateLogging = rateLogging; Invalidate(); }
 
     /// Set start of the port range for automatic binding
     /// @param minPort start of the port range
-    void UpdatePortRangeMin(const int minPort) { fPortRangeMin = minPort; Invalidate(); }
+    void UpdatePortRangeMin(int minPort) { fPortRangeMin = minPort; Invalidate(); }
 
     /// Set end of the port range for automatic binding
     /// @param maxPort end of the port range
-    void UpdatePortRangeMax(const int maxPort) { fPortRangeMax = maxPort; Invalidate(); }
+    void UpdatePortRangeMax(int maxPort) { fPortRangeMax = maxPort; Invalidate(); }
 
     /// Set automatic binding (pick random port if bind fails)
     /// @param autobind true/false, true to enable automatic binding
-    void UpdateAutoBind(const bool autobind) { fAutoBind = autobind; Invalidate(); }
+    void UpdateAutoBind(bool autobind) { fAutoBind = autobind; Invalidate(); }
 
     /// Checks if the configured channel settings are valid (checks the validity parameter, without running full validation (as oposed to ValidateChannel()))
     /// @return true if channel settings are valid, false otherwise.
@@ -255,62 +283,52 @@ class Channel
     /// invalidates the channel (requires validation to be used again).
     void Invalidate() { fValid = false; }
 
-    /// Sends a message to the socket queue.
-    /// @param msg Constant reference of unique_ptr to a Message
-    /// @param sndTimeoutInMs send timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot send)
-    /// @return Number of bytes that have been queued, TransferCode::timeout if timed out, TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by requested state change)
-    int64_t Send(MessagePtr& msg, int sndTimeoutInMs = -1)
+    /// Send message(s) to the socket queue.
+    /// @param m reference to MessagePtr/Parts/vector<MessagePtr>
+    /// @param sndTimeoutMs send timeout in ms.
+    /// -1 will wait forever (or until interrupt (e.g. via state change)),
+    /// 0 will not wait (return immediately if cannot send).
+    /// If not provided, default timeout will be taken.
+    /// @return Number of bytes that have been queued,
+    /// TransferCode::timeout if timed out,
+    /// TransferCode::error if there was an error,
+    /// TransferCode::interrupted if interrupted (e.g. by requested state change)
+    template<typename M, typename... Timeout>
+    std::enable_if_t<is_transferrable<M>::value, int64_t>
+    Send(M& m, Timeout&&... sndTimeoutMs)
     {
-        CheckSendCompatibility(msg);
-        return fSocket->Send(msg, sndTimeoutInMs);
+        static_assert(sizeof...(sndTimeoutMs) <= 1, "Send called with too many arguments");
+
+        CheckSendCompatibility(m);
+        int t = fSndTimeoutMs;
+        if constexpr (sizeof...(sndTimeoutMs) == 1) {
+            t = {sndTimeoutMs...};
+        }
+        return fSocket->Send(m, t);
     }
 
-    /// Receives a message from the socket queue.
-    /// @param msg Constant reference of unique_ptr to a Message
-    /// @param rcvTimeoutInMs receive timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot receive)
-    /// @return Number of bytes that have been received, TransferCode::timeout if timed out, TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by requested state change)
-    int64_t Receive(MessagePtr& msg, int rcvTimeoutInMs = -1)
+    /// Receive message(s) from the socket queue.
+    /// @param m reference to MessagePtr/Parts/vector<MessagePtr>
+    /// @param rcvTimeoutMs receive timeout in ms.
+    /// -1 will wait forever (or until interrupt (e.g. via state change)),
+    /// 0 will not wait (return immediately if cannot receive).
+    /// If not provided, default timeout will be taken.
+    /// @return Number of bytes that have been received,
+    /// TransferCode::timeout if timed out,
+    /// TransferCode::error if there was an error,
+    /// TransferCode::interrupted if interrupted (e.g. by requested state change)
+    template<typename M, typename... Timeout>
+    std::enable_if_t<is_transferrable<M>::value, int64_t>
+    Receive(M& m, Timeout&&... rcvTimeoutMs)
     {
-        CheckReceiveCompatibility(msg);
-        return fSocket->Receive(msg, rcvTimeoutInMs);
-    }
+        static_assert(sizeof...(rcvTimeoutMs) <= 1, "Receive called with too many arguments");
 
-    /// Send a vector of messages
-    /// @param msgVec message vector reference
-    /// @param sndTimeoutInMs send timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot send)
-    /// @return Number of bytes that have been queued, TransferCode::timeout if timed out, TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by requested state change)
-    int64_t Send(std::vector<MessagePtr>& msgVec, int sndTimeoutInMs = -1)
-    {
-        CheckSendCompatibility(msgVec);
-        return fSocket->Send(msgVec, sndTimeoutInMs);
-    }
-
-    /// Receive a vector of messages
-    /// @param msgVec message vector reference
-    /// @param rcvTimeoutInMs receive timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot receive)
-    /// @return Number of bytes that have been received, TransferCode::timeout if timed out, TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by requested state change)
-    int64_t Receive(std::vector<MessagePtr>& msgVec, int rcvTimeoutInMs = -1)
-    {
-        CheckReceiveCompatibility(msgVec);
-        return fSocket->Receive(msgVec, rcvTimeoutInMs);
-    }
-
-    /// Send Parts
-    /// @param parts Parts reference
-    /// @param sndTimeoutInMs send timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot send)
-    /// @return Number of bytes that have been queued, TransferCode::timeout if timed out, TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by requested state change)
-    int64_t Send(Parts& parts, int sndTimeoutInMs = -1)
-    {
-        return Send(parts.fParts, sndTimeoutInMs);
-    }
-
-    /// Receive Parts
-    /// @param parts Parts reference
-    /// @param rcvTimeoutInMs receive timeout in ms. -1 will wait forever (or until interrupt (e.g. via state change)), 0 will not wait (return immediately if cannot receive)
-    /// @return Number of bytes that have been received, TransferCode::timeout if timed out, TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by requested state change)
-    int64_t Receive(Parts& parts, int rcvTimeoutInMs = -1)
-    {
-        return Receive(parts.fParts, rcvTimeoutInMs);
+        CheckReceiveCompatibility(m);
+        int t = fRcvTimeoutMs;
+        if constexpr (sizeof...(rcvTimeoutMs) == 1) {
+            t = {rcvTimeoutMs...};
+        }
+        return fSocket->Receive(m, t);
     }
 
     unsigned long GetBytesTx() const { return fSocket->GetBytesTx(); }
@@ -354,6 +372,8 @@ class Channel
     static constexpr int DefaultRcvBufSize = 1000;
     static constexpr int DefaultSndKernelSize = 0;
     static constexpr int DefaultRcvKernelSize = 0;
+    static constexpr int DefaultSndTimeoutMs = -1;
+    static constexpr int DefaultRcvTimeoutMs = -1;
     static constexpr int DefaultLinger = 500;
     static constexpr int DefaultRateLogging = 1;
     static constexpr int DefaultPortRangeMin = 22000;
@@ -373,6 +393,8 @@ class Channel
     int fRcvBufSize;
     int fSndKernelSize;
     int fRcvKernelSize;
+    int fSndTimeoutMs;
+    int fRcvTimeoutMs;
     int fLinger;
     int fRateLogging;
     int fPortRangeMin;
@@ -402,6 +424,7 @@ class Channel
         }
     }
 
+    void CheckSendCompatibility(Parts& parts) { CheckSendCompatibility(parts.fParts); }
     void CheckSendCompatibility(std::vector<MessagePtr>& msgVec)
     {
         for (auto& msg : msgVec) {
@@ -431,6 +454,7 @@ class Channel
         }
     }
 
+    void CheckReceiveCompatibility(Parts& parts) { CheckReceiveCompatibility(parts.fParts); }
     void CheckReceiveCompatibility(std::vector<MessagePtr>& msgVec)
     {
         for (auto& msg : msgVec) {

fairmq/Device.cxx

@@ -47,6 +47,11 @@ struct StateSubscription
         });
     }
 
+    StateSubscription(const StateSubscription&) = delete;
+    StateSubscription(StateSubscription&&) = delete;
+    StateSubscription& operator=(const StateSubscription&) = delete;
+    StateSubscription& operator=(StateSubscription&&) = delete;
+
     ~StateSubscription() {
         fStateMachine.UnsubscribeFromStateChange(fId);
     }
@@ -60,15 +65,15 @@ Device::Device(ProgOptions& config)
     : Device(&config, {0, 0, 0})
 {}
 
-Device::Device(const tools::Version version)
+Device::Device(tools::Version version)
     : Device(nullptr, version)
 {}
 
-Device::Device(ProgOptions& config, const tools::Version version)
+Device::Device(ProgOptions& config, tools::Version version)
     : Device(&config, version)
 {}
 
-Device::Device(ProgOptions* config, const tools::Version version)
+Device::Device(ProgOptions* config, tools::Version version)
     : fTransportFactory(nullptr)
     , fInternalConfig(config ? nullptr : make_unique<ProgOptions>())
     , fConfig(config ? config : fInternalConfig.get())
@@ -133,7 +138,7 @@ Device::Device(ProgOptions* config, const tools::Version version)
     fStateMachine.Start();
 }
 
-void Device::TransitionTo(const State s)
+void Device::TransitionTo(State s)
 {
     {
         lock_guard<mutex> lock(fTransitionMtx);
@@ -430,7 +435,7 @@ void Device::InitTaskWrapper()
 
 void Device::RunWrapper()
 {
-    LOG(info) << "DEVICE: Running...";
+    LOG(info) << "fair::mq::Device running...";
 
     // start the rate logger thread
     future<void> rateLogger = async(launch::async, &Device::LogSocketRates, this);
@@ -440,46 +445,43 @@ void Device::RunWrapper()
         t.second->Resume();
     }
 
-    try {
-        PreRun();
+    // change to Error state in case of an exception, to release LogSocketRates
+    tools::CallOnDestruction cod([&](){
+        ChangeState(Transition::ErrorFound);
+    });
 
-        // process either data callbacks or ConditionalRun/Run
-        if (fDataCallbacks) {
-            // if only one input channel, do lightweight handling without additional polling.
-            if (fInputChannelKeys.size() == 1 && fChannels.at(fInputChannelKeys.at(0)).size() == 1) {
-                HandleSingleChannelInput();
-            } else {// otherwise do full handling with polling
-                HandleMultipleChannelInput();
+    PreRun();
+
+    // process either data callbacks or ConditionalRun/Run
+    if (fDataCallbacks) {
+        // if only one input channel, do lightweight handling without additional polling.
+        if (fInputChannelKeys.size() == 1 && fChannels.at(fInputChannelKeys.at(0)).size() == 1) {
+            HandleSingleChannelInput();
+        } else {// otherwise do full handling with polling
+            HandleMultipleChannelInput();
+        }
+    } else {
+        tools::RateLimiter rateLimiter(fRate);
+
+        while (!NewStatePending() && ConditionalRun()) {
+            if (fRate > 0.001) {
+                rateLimiter.maybe_sleep();
             }
-        } else {
-            tools::RateLimiter rateLimiter(fRate);
-
-            while (!NewStatePending() && ConditionalRun()) {
-                if (fRate > 0.001) {
-                    rateLimiter.maybe_sleep();
-                }
-            }
-
-            Run();
         }
 
-        // if Run() exited and the state is still RUNNING, transition to READY.
-        if (!NewStatePending()) {
-            UnblockTransports();
-            ChangeState(Transition::Stop);
-        }
-
-        PostRun();
-    } catch (const out_of_range& oor) {
-        LOG(error) << "out of range: " << oor.what();
-        LOG(error) << "incorrect/incomplete channel configuration?";
-        ChangeState(Transition::ErrorFound);
-        throw;
-    } catch (...) {
-        ChangeState(Transition::ErrorFound);
-        throw;
+        Run();
     }
 
+    // if Run() exited and the state is still RUNNING, transition to READY.
+    if (!NewStatePending()) {
+        UnblockTransports();
+        ChangeState(Transition::Stop);
+    }
+
+    PostRun();
+
+    cod.disable();
+
     rateLogger.get();
 }
 

fairmq/Device.h

@@ -53,15 +53,17 @@ class Device
   public:
     Device();
     Device(ProgOptions& config);
-    Device(const tools::Version version);
-    Device(ProgOptions& config, const tools::Version version);
+    Device(tools::Version version);
+    Device(ProgOptions& config, tools::Version version);
 
   private:
-    Device(ProgOptions* config, const tools::Version version);
+    Device(ProgOptions* config, tools::Version version);
 
   public:
     Device(const Device&) = delete;
-    Device operator=(const Device&) = delete;
+    Device(Device&&) = delete;
+    Device& operator=(const Device&) = delete;
+    Device& operator=(Device&&) = delete;
     virtual ~Device();
 
     /// Outputs the socket transfer rates
@@ -79,72 +81,70 @@ class Device
         Deserializer().Deserialize(msg, std::forward<DataType>(data), std::forward<Args>(args)...);
     }
 
-    /// Shorthand method to send `msg` on `chan` at index `i`
-    /// @param msg message reference
+    /// Send `m` on `chan` at index `i`
+    /// @param m reference to MessagePtr/Parts/vector<MessagePtr>
     /// @param chan channel name
     /// @param i channel index
-    /// @param sndTimeoutInMs send timeout in ms, -1 will wait forever (or until interrupt (e.g. via
-    /// state change)), 0 will not wait (return immediately if cannot send)
-    /// @return Number of bytes that have been queued, TransferCode::timeout if timed out,
-    /// TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by
-    /// requested state change)
-    int64_t Send(MessagePtr& msg,
-                 const std::string& channel,
-                 const int index = 0,
-                 int sndTimeoutInMs = -1)
+    /// @return Number of queued bytes,
+    /// TransferCode::timeout if timed out,
+    /// TransferCode::error if there was an error,
+    /// TransferCode::interrupted if interrupted (e.g. by requested state change)
+    template<typename M>
+    std::enable_if_t<is_transferrable<M>::value, int64_t>
+    Send(M& m, const std::string& channel, const int index = 0)
     {
-        return GetChannel(channel, index).Send(msg, sndTimeoutInMs);
+        return GetChannel(channel, index).Send(m);
     }
 
-    /// Shorthand method to receive `msg` on `chan` at index `i`
-    /// @param msg message reference
+    /// Receive `m` on `chan` at index `i`
+    /// @param m reference to MessagePtr/Parts/vector<MessagePtr>
     /// @param chan channel name
     /// @param i channel index
-    /// @param rcvTimeoutInMs receive timeout in ms, -1 will wait forever (or until interrupt (e.g.
-    /// via state change)), 0 will not wait (return immediately if cannot receive)
-    /// @return Number of bytes that have been received, TransferCode::timeout if timed out,
-    /// TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by
-    /// requested state change)
-    int64_t Receive(MessagePtr& msg,
-                    const std::string& channel,
-                    const int index = 0,
-                    int rcvTimeoutInMs = -1)
+    /// @return Number of received bytes,
+    /// TransferCode::timeout if timed out,
+    /// TransferCode::error if there was an error,
+    /// TransferCode::interrupted if interrupted (e.g. by requested state change)
+    template<typename M>
+    std::enable_if_t<is_transferrable<M>::value, int64_t>
+    Receive(M& m, const std::string& channel, const int index = 0)
     {
-        return GetChannel(channel, index).Receive(msg, rcvTimeoutInMs);
+        return GetChannel(channel, index).Receive(m);
     }
 
-    /// Shorthand method to send Parts on `chan` at index `i`
-    /// @param parts parts reference
+    /// Send `m` on `chan` at index `i`
+    /// @param m reference to MessagePtr/Parts/vector<MessagePtr>
     /// @param chan channel name
     /// @param i channel index
-    /// @param sndTimeoutInMs send timeout in ms, -1 will wait forever (or until interrupt (e.g. via
-    /// state change)), 0 will not wait (return immediately if cannot send)
-    /// @return Number of bytes that have been queued, TransferCode::timeout if timed out,
-    /// TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by
-    /// requested state change)
-    int64_t Send(Parts& parts,
-                 const std::string& channel,
-                 const int index = 0,
-                 int sndTimeoutInMs = -1)
+    /// @param sndTimeoutMs send timeout in ms,
+    /// -1 will wait forever (or until interrupt (e.g. via state change)),
+    /// 0 will not wait (return immediately if cannot send)
+    /// @return Number of queued bytes,
+    /// TransferCode::timeout if timed out,
+    /// TransferCode::error if there was an error,
+    /// TransferCode::interrupted if interrupted (e.g. by requested state change)
+    template<typename M>
+    std::enable_if_t<is_transferrable<M>::value, int64_t>
+    Send(M& m, const std::string& channel, const int index, int sndTimeoutMs)
     {
-        return GetChannel(channel, index).Send(parts.fParts, sndTimeoutInMs);
+        return GetChannel(channel, index).Send(m, sndTimeoutMs);
     }
 
-    /// Shorthand method to receive Parts on `chan` at index `i`
-    /// @param parts parts reference
+    /// Receive `m` on `chan` at index `i`
+    /// @param m reference to MessagePtr/Parts/vector<MessagePtr>
     /// @param chan channel name
     /// @param i channel index
-    /// @param rcvTimeoutInMs receive timeout in ms, -1 will wait forever (or until interrupt (e.g.
-    /// via state change)), 0 will not wait (return immediately if cannot receive)
-    /// @return Number of bytes that have been received, TransferCode::timeout if timed out,
-    /// TransferCode::error if there was an error, TransferCode::interrupted if interrupted (e.g. by
-    /// requested state change)
-    int64_t Receive(Parts& parts,
-                    const std::string& channel,
-                    const int index = 0,
-                    int rcvTimeoutInMs = -1)
+    /// @param rcvTimeoutMs receive timeout in ms,
+    /// -1 will wait forever (or until interrupt (e.g. via state change),
+    /// 0 will not wait (return immediately if cannot receive)
+    /// @return Number of received bytes,
+    /// TransferCode::timeout if timed out,
+    /// TransferCode::error if there was an error,
+    /// TransferCode::interrupted if interrupted (e.g. by requested state change)
+    template<typename M>
+    std::enable_if_t<is_transferrable<M>::value, int64_t>
+    Receive(M& m, const std::string& channel, const int index, int rcvTimeoutMs)
     {
-        return GetChannel(channel, index).Receive(parts.fParts, rcvTimeoutInMs);
+        return GetChannel(channel, index).Receive(m, rcvTimeoutMs);
     }
 
     /// @brief Getter for default transport factory
@@ -252,7 +252,7 @@ class Device
 
     /// Adds a transport to the device if it doesn't exist
     /// @param transport  Transport string ("zeromq"/"shmem")
-    std::shared_ptr<TransportFactory> AddTransport(const mq::Transport transport);
+    std::shared_ptr<TransportFactory> AddTransport(mq::Transport transport);
 
     /// Assigns config to the device
     void SetConfig(ProgOptions& config);
@@ -318,13 +318,26 @@ class Device
     try {
         return fChannels.at(channelName).at(index);
     } catch (const std::out_of_range& oor) {
-        LOG(error)
-            << "requested channel has not been configured? check channel names/configuration.";
-        LOG(error) << "channel: " << channelName << ", index: " << index;
-        LOG(error) << "out of range: " << oor.what();
+        LOG(error) << "GetChannel(): '" << channelName << "[" << index << "]' does not exist.";
         throw;
     }
 
+    size_t GetNumSubChannels(const std::string& channelName)
+    try {
+        return fChannels.at(channelName).size();
+    } catch (const std::out_of_range& oor) {
+        LOG(error) << "GetNumSubChannels(): '" << channelName << "' does not exist.";
+        throw;
+    }
+
+    /// @brief Get numbers of connected peers for the given channel
+    /// @param name channel name
+    /// @param index sub-channel
+    unsigned long GetNumberOfConnectedPeers(const std::string& channelName, int index = 0)
+    {
+        return fChannels.at(channelName).at(index).GetNumberOfConnectedPeers();
+    }
+
     virtual void RegisterChannelEndpoints() {}
 
     bool RegisterChannelEndpoint(const std::string& channelName,
@@ -489,7 +502,7 @@ class Device
     /// @param state state to wait for
     void WaitForState(const std::string& state) { WaitForState(GetState(state)); }
 
-    void TransitionTo(const State state);
+    void TransitionTo(State state);
 
     /// @brief Subscribe with a callback to state changes
     /// @param key id to identify your subscription
@@ -537,11 +550,11 @@ class Device
     /// @brief Returns name of the given state as a string
     /// @param state state
     [[deprecated("Use fair::mq::GetStateName from <fairmq/States.h> directly")]]
-    static std::string GetStateName(const State state) { return fair::mq::GetStateName(state); }
+    static std::string GetStateName(State state) { return fair::mq::GetStateName(state); }
     /// @brief Returns name of the given transition as a string
     /// @param transition transition
     [[deprecated("Use fair::mq::GetTransitionName from <fairmq/States.h> directly")]]
-    static std::string GetTransitionName(const Transition transition)
+    static std::string GetTransitionName(Transition transition)
     {
         return fair::mq::GetTransitionName(transition);
     }

fairmq/DeviceRunner.cxx

@@ -120,7 +120,7 @@ auto DeviceRunner::Run() -> int
     fPluginManager.ForEachPluginProgOptions([&](boost::program_options::options_description options) {
         fConfig.AddToCmdLineOptions(options);
     });
-    fConfig.AddToCmdLineOptions(fPluginManager.ProgramOptions());
+    fConfig.AddToCmdLineOptions(PluginManager::ProgramOptions());
 
     ////// CALL HOOK ///////
     fEvents.Emit<hooks::ModifyRawCmdLineArgs>(*this);
@@ -128,7 +128,7 @@ auto DeviceRunner::Run() -> int
 
     fConfig.ParseAll(fRawCmdLineArgs, true);
 
-    if (!HandleGeneralOptions(fConfig)) {
+    if (!HandleGeneralOptions(fConfig, fPrintLogo)) {
         return 0;
     }
 

fairmq/Error.h

@@ -9,10 +9,15 @@
 #ifndef FAIR_MQ_ERROR_H
 #define FAIR_MQ_ERROR_H
 
+#include <cassert>
 #include <fairmq/tools/Strings.h>
 #include <stdexcept>
 #include <system_error>
 
+// Macro copied from https://en.cppreference.com/w/cpp/error/assert
+// Use (void) to silent unused warnings.
+#define assertm(exp, msg) assert(((void)msg, exp))
+
 namespace fair::mq {
 
 struct RuntimeError : ::std::runtime_error

fairmq/JSONParser.cxx

@@ -30,13 +30,13 @@
 
 using namespace std;
 using namespace fair::mq;
-using namespace fair::mq::tools;
+using namespace tools;
 using namespace boost::property_tree;
 
 namespace fair::mq
 {
 
-fair::mq::Properties PtreeParser(const ptree& pt, const string& id)
+Properties PtreeParser(const ptree& pt, const string& id)
 {
     if (id.empty()) {
         throw ParserError("no device ID provided. Provide with `--id` cmd option");
@@ -47,7 +47,7 @@ fair::mq::Properties PtreeParser(const ptree& pt, const string& id)
     return helper::DeviceParser(pt.get_child("fairMQOptions"), id);
 }
 
-fair::mq::Properties JSONParser(const string& filename, const string& deviceId)
+Properties JSONParser(const string& filename, const string& deviceId)
 {
     ptree pt;
     LOG(debug) << "Parsing JSON from " << filename << " ...";
@@ -58,9 +58,9 @@ fair::mq::Properties JSONParser(const string& filename, const string& deviceId)
 namespace helper
 {
 
-fair::mq::Properties DeviceParser(const ptree& fairMQOptions, const string& deviceId)
+Properties DeviceParser(const ptree& fairMQOptions, const string& deviceId)
 {
-    fair::mq::Properties properties;
+    Properties properties;
 
     for (const auto& node : fairMQOptions) {
         if (node.first == "devices") {
@@ -82,25 +82,27 @@ fair::mq::Properties DeviceParser(const ptree& fairMQOptions, const string& devi
     return properties;
 }
 
-void ChannelParser(const ptree& tree, fair::mq::Properties& properties)
+void ChannelParser(const ptree& tree, Properties& properties)
 {
     for (const auto& node : tree) {
         if (node.first == "channels") {
             for (const auto& cn : node.second) {
-                fair::mq::Properties commonProperties;
-                commonProperties.emplace("type", cn.second.get<string>("type", FairMQChannel::DefaultType));
-                commonProperties.emplace("method", cn.second.get<string>("method", FairMQChannel::DefaultMethod));
-                commonProperties.emplace("address", cn.second.get<string>("address", FairMQChannel::DefaultAddress));
-                commonProperties.emplace("transport", cn.second.get<string>("transport", FairMQChannel::DefaultTransportName));
-                commonProperties.emplace("sndBufSize", cn.second.get<int>("sndBufSize", FairMQChannel::DefaultSndBufSize));
-                commonProperties.emplace("rcvBufSize", cn.second.get<int>("rcvBufSize", FairMQChannel::DefaultRcvBufSize));
-                commonProperties.emplace("sndKernelSize", cn.second.get<int>("sndKernelSize", FairMQChannel::DefaultSndKernelSize));
-                commonProperties.emplace("rcvKernelSize", cn.second.get<int>("rcvKernelSize", FairMQChannel::DefaultRcvKernelSize));
-                commonProperties.emplace("linger", cn.second.get<int>("linger", FairMQChannel::DefaultLinger));
-                commonProperties.emplace("rateLogging", cn.second.get<int>("rateLogging", FairMQChannel::DefaultRateLogging));
-                commonProperties.emplace("portRangeMin", cn.second.get<int>("portRangeMin", FairMQChannel::DefaultPortRangeMin));
-                commonProperties.emplace("portRangeMax", cn.second.get<int>("portRangeMax", FairMQChannel::DefaultPortRangeMax));
-                commonProperties.emplace("autoBind", cn.second.get<bool>("autoBind", FairMQChannel::DefaultAutoBind));
+                Properties commonProperties;
+                commonProperties.emplace("type", cn.second.get<string>("type", Channel::DefaultType));
+                commonProperties.emplace("method", cn.second.get<string>("method", Channel::DefaultMethod));
+                commonProperties.emplace("address", cn.second.get<string>("address", Channel::DefaultAddress));
+                commonProperties.emplace("transport", cn.second.get<string>("transport", Channel::DefaultTransportName));
+                commonProperties.emplace("sndBufSize", cn.second.get<int>("sndBufSize", Channel::DefaultSndBufSize));
+                commonProperties.emplace("rcvBufSize", cn.second.get<int>("rcvBufSize", Channel::DefaultRcvBufSize));
+                commonProperties.emplace("sndKernelSize", cn.second.get<int>("sndKernelSize", Channel::DefaultSndKernelSize));
+                commonProperties.emplace("rcvKernelSize", cn.second.get<int>("rcvKernelSize", Channel::DefaultRcvKernelSize));
+                commonProperties.emplace("sndTimeoutMs", cn.second.get<int>("sndTimeoutMs", Channel::DefaultSndTimeoutMs));
+                commonProperties.emplace("rcvTimeoutMs", cn.second.get<int>("rcvTimeoutMs", Channel::DefaultRcvTimeoutMs));
+                commonProperties.emplace("linger", cn.second.get<int>("linger", Channel::DefaultLinger));
+                commonProperties.emplace("rateLogging", cn.second.get<int>("rateLogging", Channel::DefaultRateLogging));
+                commonProperties.emplace("portRangeMin", cn.second.get<int>("portRangeMin", Channel::DefaultPortRangeMin));
+                commonProperties.emplace("portRangeMax", cn.second.get<int>("portRangeMax", Channel::DefaultPortRangeMax));
+                commonProperties.emplace("autoBind", cn.second.get<bool>("autoBind", Channel::DefaultAutoBind));
 
                 string name = cn.second.get<string>("name");
                 int numSockets = cn.second.get<int>("numSockets", 0);
@@ -126,7 +128,7 @@ void ChannelParser(const ptree& tree, fair::mq::Properties& properties)
     }
 }
 
-void SubChannelParser(const ptree& channelTree, fair::mq::Properties& properties, const string& channelName, const fair::mq::Properties& commonProperties)
+void SubChannelParser(const ptree& channelTree, Properties& properties, const string& channelName, const Properties& commonProperties)
 {
     // for each socket in channel
     int i = 0;
@@ -135,7 +137,7 @@ void SubChannelParser(const ptree& channelTree, fair::mq::Properties& properties
         if (node.first == "sockets") {
             for (const auto& sn : node.second) {
                 // a sub-channel inherits relevant properties from the common channel ...
-                fair::mq::Properties newProperties(commonProperties);
+                Properties newProperties(commonProperties);
 
                 // ... and adds/overwrites its own properties
                 newProperties["type"] = sn.second.get<string>("type", boost::any_cast<string>(commonProperties.at("type")));
@@ -146,6 +148,8 @@ void SubChannelParser(const ptree& channelTree, fair::mq::Properties& properties
                 newProperties["rcvBufSize"] = sn.second.get<int>("rcvBufSize", boost::any_cast<int>(commonProperties.at("rcvBufSize")));
                 newProperties["sndKernelSize"] = sn.second.get<int>("sndKernelSize", boost::any_cast<int>(commonProperties.at("sndKernelSize")));
                 newProperties["rcvKernelSize"] = sn.second.get<int>("rcvKernelSize", boost::any_cast<int>(commonProperties.at("rcvKernelSize")));
+                newProperties["sndTimeoutMs"] = sn.second.get<int>("sndTimeoutMs", boost::any_cast<int>(commonProperties.at("sndTimeoutMs")));
+                newProperties["rcvTimeoutMs"] = sn.second.get<int>("rcvTimeoutMs", boost::any_cast<int>(commonProperties.at("rcvTimeoutMs")));
                 newProperties["linger"] = sn.second.get<int>("linger", boost::any_cast<int>(commonProperties.at("linger")));
                 newProperties["rateLogging"] = sn.second.get<int>("rateLogging", boost::any_cast<int>(commonProperties.at("rateLogging")));
                 newProperties["portRangeMin"] = sn.second.get<int>("portRangeMin", boost::any_cast<int>(commonProperties.at("portRangeMin")));
@@ -173,7 +177,7 @@ void SubChannelParser(const ptree& channelTree, fair::mq::Properties& properties
         LOG(trace) << "\tNo sockets specified,";
         LOG(trace) << "\tapplying common settings to the channel:";
 
-        fair::mq::Properties newProperties(commonProperties);
+        Properties newProperties(commonProperties);
 
         for (auto& p : newProperties) {
             LOG(trace) << "\t" << setw(13) << left << p.first << " : " << p.second;

fairmq/MemoryResourceTools.h

@@ -12,7 +12,7 @@
 ///
 /// @author Mikolaj Krzewicki, mkrzewic@cern.ch
 
-#include <fairmq/FairMQTransportFactory.h>
+#include <fairmq/TransportFactory.h>
 #include <fairmq/MemoryResources.h>
 
 namespace fair::mq
@@ -28,13 +28,13 @@ template<typename ContainerT>
 //        pmr::polymorphic_allocator<typename
 //        ContainerT::value_type>,
 //        typename ContainerT::allocator_type>::value == true,
-//    FairMQMessagePtr>::type
-FairMQMessagePtr getMessage(ContainerT &&container_, FairMQMemoryResource *targetResource = nullptr)
+//        MessagePtr>::type
+MessagePtr getMessage(ContainerT &&container_, MemoryResource *targetResource = nullptr)
 {
     auto container = std::move(container_);
     auto alloc = container.get_allocator();
 
-    auto resource = dynamic_cast<FairMQMemoryResource *>(alloc.resource());
+    auto resource = dynamic_cast<MemoryResource *>(alloc.resource());
     if (!resource && !targetResource) {
         throw std::runtime_error("Neither the container or target resource specified");
     }

fairmq/Message.h

@@ -32,16 +32,21 @@ struct Message
         : fTransport(factory)
     {}
 
+    Message(const Message&) = delete;
+    Message(Message&&) = delete;
+    Message& operator=(const Message&) = delete;
+    Message& operator=(Message&&) = delete;
+
     virtual void Rebuild() = 0;
     virtual void Rebuild(Alignment alignment) = 0;
-    virtual void Rebuild(const size_t size) = 0;
-    virtual void Rebuild(const size_t size, Alignment alignment) = 0;
-    virtual void Rebuild(void* data, const size_t size, FreeFn* ffn, void* hint = nullptr) = 0;
+    virtual void Rebuild(size_t size) = 0;
+    virtual void Rebuild(size_t size, Alignment alignment) = 0;
+    virtual void Rebuild(void* data, size_t size, FreeFn* ffn, void* hint = nullptr) = 0;
 
     virtual void* GetData() const = 0;
     virtual size_t GetSize() const = 0;
 
-    virtual bool SetUsedSize(const size_t size) = 0;
+    virtual bool SetUsedSize(size_t size) = 0;
 
     virtual Transport GetType() const = 0;
     TransportFactory* GetTransport() { return fTransport; }

fairmq/Parts.h

@@ -25,13 +25,11 @@ class Parts
   public:
     Parts() = default;
     Parts(const Parts&) = delete;
-    Parts(Parts&& p) = default;
-    Parts& operator=(const Parts&) = delete;
+    Parts(Parts&&) = default;
     template<typename... Ts>
-    Parts(Ts&&... messages)
-    {
-        AddPart(std::forward<Ts>(messages)...);
-    }
+    Parts(Ts&&... messages) { AddPart(std::forward<Ts>(messages)...); }
+    Parts& operator=(const Parts&) = delete;
+    Parts& operator=(Parts&&) = default;
     ~Parts() = default;
 
     /// Adds part (Message) to the container

fairmq/Plugin.cxx

@@ -7,7 +7,7 @@
  ********************************************************************************/
 
 #include <fairmq/Plugin.h>
-#include <FairMQLogger.h>
+#include <fairlogger/Logger.h>
 #include <utility>
 
 using namespace std;

fairmq/Plugin.h

@@ -48,7 +48,9 @@ class Plugin
            PluginServices* pluginServices);
 
     Plugin(const Plugin&) = delete;
-    Plugin operator=(const Plugin&) = delete;
+    Plugin(Plugin&&) = delete;
+    Plugin& operator=(const Plugin&) = delete;
+    Plugin& operator=(Plugin&&) = delete;
 
     virtual ~Plugin();
 
@@ -72,10 +74,10 @@ class Plugin
     // see <fairmq/PluginServices.h> for docs
     using DeviceState = fair::mq::PluginServices::DeviceState;
     using DeviceStateTransition = fair::mq::PluginServices::DeviceStateTransition;
-    auto ToDeviceState(const std::string& state) const -> DeviceState { return fPluginServices->ToDeviceState(state); }
-    auto ToDeviceStateTransition(const std::string& transition) const -> DeviceStateTransition { return fPluginServices->ToDeviceStateTransition(transition); }
-    auto ToStr(DeviceState state) const -> std::string { return fPluginServices->ToStr(state); }
-    auto ToStr(DeviceStateTransition transition) const -> std::string { return fPluginServices->ToStr(transition); }
+    auto ToDeviceState(const std::string& state) const -> DeviceState { return PluginServices::ToDeviceState(state); }
+    auto ToDeviceStateTransition(const std::string& transition) const -> DeviceStateTransition { return PluginServices::ToDeviceStateTransition(transition); }
+    auto ToStr(DeviceState state) const -> std::string { return PluginServices::ToStr(state); }
+    auto ToStr(DeviceStateTransition transition) const -> std::string { return PluginServices::ToStr(transition); }
     auto GetCurrentDeviceState() const -> DeviceState { return fPluginServices->GetCurrentDeviceState(); }
     auto TakeDeviceControl() -> void { fPluginServices->TakeDeviceControl(fkName); };
     auto StealDeviceControl() -> void { fPluginServices->StealDeviceControl(fkName); };
@@ -89,6 +91,8 @@ class Plugin
     auto SubscribeToDeviceStateChange(std::function<void(DeviceState)> callback) -> void { fPluginServices->SubscribeToDeviceStateChange(fkName, callback); }
     auto UnsubscribeFromDeviceStateChange() -> void { fPluginServices->UnsubscribeFromDeviceStateChange(fkName); }
 
+    auto GetNumberOfConnectedPeers(const std::string& channelName, int index = 0) -> unsigned long { return fPluginServices->GetNumberOfConnectedPeers(channelName, index); }
+
     // device config API
     // see <fairmq/PluginServices.h> for docs
     auto PropertyExists(const std::string& key) -> int { return fPluginServices->PropertyExists(key); }

fairmq/PluginManager.cxx

@@ -35,7 +35,7 @@ fair::mq::PluginManager::PluginManager()
 {
 }
 
-fair::mq::PluginManager::PluginManager(const vector<string> args)
+fair::mq::PluginManager::PluginManager(const vector<string>& args)
     : fPluginServices()
 {
     // Parse command line options

fairmq/PluginManager.h

@@ -49,7 +49,11 @@ class PluginManager
     using PluginFactory = std::unique_ptr<fair::mq::Plugin>(PluginServices&);
 
     PluginManager();
-    PluginManager(const std::vector<std::string> args);
+    PluginManager(const PluginManager&) = delete;
+    PluginManager(PluginManager&&) = delete;
+    PluginManager& operator=(const PluginManager&) = delete;
+    PluginManager& operator=(PluginManager&&) = delete;
+    PluginManager(const std::vector<std::string>& args);
 
     ~PluginManager()
     {
@@ -115,7 +119,7 @@ class PluginManager
 
     static const std::string fgkLibPrefix;
     std::vector<boost::filesystem::path> fSearchPaths;
-    static std::vector<boost::dll::shared_library> fgDLLKeepAlive;
+    static std::vector<boost::dll::shared_library> fgDLLKeepAlive; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
     std::map<std::string, std::function<PluginFactory>> fPluginFactories;
     std::unique_ptr<PluginServices> fPluginServices;
     std::map<std::string, std::unique_ptr<Plugin>> fPlugins;

fairmq/PluginServices.h

@@ -51,7 +51,9 @@ class PluginServices
     }
 
     PluginServices(const PluginServices&) = delete;
-    PluginServices operator=(const PluginServices&) = delete;
+    PluginServices(PluginServices&&) = delete;
+    PluginServices& operator=(const PluginServices&) = delete;
+    PluginServices& operator=(PluginServices&&) = delete;
 
     using DeviceState = fair::mq::State;
     using DeviceStateTransition = fair::mq::Transition;
@@ -136,6 +138,9 @@ class PluginServices
     /// @param subscriber id
     auto UnsubscribeFromDeviceStateChange(const std::string& subscriber) -> void { fDevice.UnsubscribeFromStateChange(subscriber); }
 
+    /// DO NOT USE, ONLY FOR TESTING, WILL BE REMOVED (and info made available via property api)
+    auto GetNumberOfConnectedPeers(const std::string& channelName, int index = 0) -> unsigned long { return fDevice.GetNumberOfConnectedPeers(channelName, index); }
+
     // Config API
 
     /// @brief Checks a property with the given key exist in the configuration

fairmq/Poller.h

@@ -17,11 +17,17 @@ namespace fair::mq {
 
 struct Poller
 {
-    virtual void Poll(const int timeout) = 0;
-    virtual bool CheckInput(const int index) = 0;
-    virtual bool CheckOutput(const int index) = 0;
-    virtual bool CheckInput(const std::string& channelKey, const int index) = 0;
-    virtual bool CheckOutput(const std::string& channelKey, const int index) = 0;
+    Poller() = default;
+    Poller(const Poller&) = delete;
+    Poller(Poller&&) = delete;
+    Poller& operator=(const Poller&) = delete;
+    Poller& operator=(Poller&&) = delete;
+
+    virtual void Poll(int timeout) = 0;
+    virtual bool CheckInput(int index) = 0;
+    virtual bool CheckOutput(int index) = 0;
+    virtual bool CheckInput(const std::string& channelKey, int index) = 0;
+    virtual bool CheckOutput(const std::string& channelKey, int index) = 0;
 
     virtual ~Poller() = default;
 };

fairmq/ProgOptions.cxx

@@ -169,7 +169,7 @@ unordered_map<string, int> ProgOptions::GetChannelInfoImpl() const
     for (const auto& m : fVarMap) {
         if (boost::regex_match(m.first, re)) {
             string chan = m.first.substr(6);
-            string::size_type n = chan.find(".");
+            string::size_type n = chan.find('.');
             string chanName = chan.substr(0, n);
 
             if (info.find(chanName) == info.end()) {
@@ -351,7 +351,7 @@ void ProgOptions::DeleteProperty(const string& key)
     vm.erase(key);
 }
 
-void ProgOptions::AddChannel(const string& name, const FairMQChannel& channel)
+void ProgOptions::AddChannel(const string& name, const Channel& channel)
 {
     lock_guard<mutex> lock(fMtx);
     unordered_map<string, int> existingChannels = GetChannelInfoImpl();

fairmq/ProgOptions.h

@@ -33,7 +33,11 @@ class ProgOptions
 {
   public:
     ProgOptions();
-    virtual ~ProgOptions() = default;
+    ProgOptions(const ProgOptions&) = delete;
+    ProgOptions(ProgOptions&&) = delete;
+    ProgOptions& operator=(const ProgOptions&) = delete;
+    ProgOptions& operator=(ProgOptions&&) = delete;
+    ~ProgOptions() = default;
 
     void ParseAll(const std::vector<std::string>& cmdArgs, bool allowUnregistered);
     void ParseAll(int argc, char const* const* argv, bool allowUnregistered = true);

fairmq/Properties.h

@@ -65,9 +65,9 @@ class PropertyHelper
         }
     }
 
-    static std::unordered_map<std::type_index, void(*)(const fair::mq::EventManager&, const std::string&, const Property&)> fEventEmitters;
+    static std::unordered_map<std::type_index, void(*)(const fair::mq::EventManager&, const std::string&, const Property&)> fEventEmitters; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
   private:
-    static std::unordered_map<std::type_index, std::function<std::pair<std::string, std::string>(const Property&)>> fTypeInfos;
+    static std::unordered_map<std::type_index, std::function<std::pair<std::string, std::string>(const Property&)>> fTypeInfos; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
 };
 
 }

fairmq/Socket.h

@@ -10,9 +10,12 @@
 #define FAIR_MQ_SOCKET_H
 
 #include <fairmq/Message.h>
+#include <fairmq/Parts.h>
+
 #include <memory>
 #include <stdexcept>
 #include <string>
+#include <type_traits>
 #include <vector>
 
 namespace fair::mq {
@@ -27,12 +30,20 @@ enum class TransferCode : int
     interrupted = -3
 };
 
+template <typename T>
+struct is_transferrable : std::disjunction<std::is_same<T, MessagePtr>,
+                                           std::is_same<T, std::vector<MessagePtr>>,
+                                           std::is_same<T, fair::mq::Parts>>
+{};
+
 struct Socket
 {
     Socket() = default;
-    Socket(TransportFactory* fac)
-        : fTransport(fac)
-    {}
+    Socket(TransportFactory* fac) : fTransport(fac) {}
+    Socket(const Socket&) = delete;
+    Socket(Socket&&) = delete;
+    Socket& operator=(const Socket&) = delete;
+    Socket& operator=(Socket&&) = delete;
 
     virtual std::string GetId() const = 0;
 
@@ -43,7 +54,10 @@ struct Socket
     virtual int64_t Receive(MessagePtr& msg, int timeout = -1) = 0;
     virtual int64_t Send(std::vector<std::unique_ptr<Message>>& msgVec, int timeout = -1) = 0;
     virtual int64_t Receive(std::vector<std::unique_ptr<Message>>& msgVec, int timeout = -1) = 0;
+    virtual int64_t Send(Parts& parts, int timeout = -1) { return Send(parts.fParts, timeout); }
+    virtual int64_t Receive(Parts& parts, int timeout = -1) { return Receive(parts.fParts, timeout); }
 
+    [[deprecated("Use Socket::~Socket() instead.")]]
     virtual void Close() = 0;
 
     virtual void SetOption(const std::string& option, const void* value, size_t valueSize) = 0;
@@ -53,15 +67,15 @@ struct Socket
     /// DISCLAIMER: this API is experimental and unsupported and might be dropped / refactored in
     /// the future.
     virtual int Events(uint32_t* events) = 0;
-    virtual void SetLinger(const int value) = 0;
+    virtual void SetLinger(int value) = 0;
     virtual int GetLinger() const = 0;
-    virtual void SetSndBufSize(const int value) = 0;
+    virtual void SetSndBufSize(int value) = 0;
     virtual int GetSndBufSize() const = 0;
-    virtual void SetRcvBufSize(const int value) = 0;
+    virtual void SetRcvBufSize(int value) = 0;
     virtual int GetRcvBufSize() const = 0;
-    virtual void SetSndKernelSize(const int value) = 0;
+    virtual void SetSndKernelSize(int value) = 0;
     virtual int GetSndKernelSize() const = 0;
-    virtual void SetRcvKernelSize(const int value) = 0;
+    virtual void SetRcvKernelSize(int value) = 0;
     virtual int GetRcvKernelSize() const = 0;
 
     virtual unsigned long GetBytesTx() const = 0;
@@ -69,6 +83,8 @@ struct Socket
     virtual unsigned long GetMessagesTx() const = 0;
     virtual unsigned long GetMessagesRx() const = 0;
 
+    virtual unsigned long GetNumberOfConnectedPeers() const = 0;
+
     TransportFactory* GetTransport() { return fTransport; }
     void SetTransport(TransportFactory* transport) { fTransport = transport; }
 

fairmq/StateMachine.cxx

@@ -7,6 +7,7 @@
  ********************************************************************************/
 
 #include <fairmq/StateMachine.h>
+#include <fairmq/tools/Exceptions.h>
 
 #include <fairlogger/Logger.h>
 
@@ -84,8 +85,6 @@ struct Machine_ : public state_machine_def<Machine_>
         , fNewStatePending(false)
     {}
 
-    virtual ~Machine_() = default;
-
     // initial states
     using initial_state = bmpl::vector<IDLE_S, OK_S>;
 
@@ -206,6 +205,7 @@ struct Machine_ : public state_machine_def<Machine_>
         }
 
         if (fState == State::Error) {
+            LOG(trace) << "Device transitioned to error state";
             throw StateMachine::ErrorStateException("Device transitioned to error state");
         }
     }
@@ -222,9 +222,9 @@ struct Machine_ : public state_machine_def<Machine_>
         bmpl::for_each<AllStates, wrap<bmpl::placeholders::_1>>(get_state_name<RecursiveStt>(stateName, state));
 
         stateName = boost::core::demangle(stateName.c_str());
-        size_t pos = stateName.rfind(":");
+        size_t pos = stateName.rfind(':');
         stateName = stateName.substr(pos + 1);
-        size_t pos2 = stateName.rfind("_");
+        size_t pos2 = stateName.rfind('_');
         stateName = stateName.substr(0, pos2);
 
         if (stateName != "OK") {
@@ -246,7 +246,7 @@ StateMachine::StateMachine() : fFsm(new FairMQFSM) {}
 void StateMachine::Start() { static_pointer_cast<FairMQFSM>(fFsm)->start(); }
 StateMachine::~StateMachine() { static_pointer_cast<FairMQFSM>(fFsm)->stop(); }
 
-bool StateMachine::ChangeState(const Transition transition)
+bool StateMachine::ChangeState(Transition transition)
 try {
     auto fsm = static_pointer_cast<FairMQFSM>(fFsm);
     lock_guard<mutex> lock(fsm->fStateMtx);
@@ -357,7 +357,7 @@ void StateMachine::WaitForPendingState() const
     unique_lock<mutex> lock(fsm->fStateMtx);
     fsm->fNewStatePendingCV.wait(lock, [&]{ return static_cast<bool>(fsm->fNewStatePending); });
 }
-bool StateMachine::WaitForPendingStateFor(const int durationInMs) const
+bool StateMachine::WaitForPendingStateFor(int durationInMs) const
 {
     auto fsm = static_pointer_cast<FairMQFSM>(fFsm);
     unique_lock<mutex> lock(fsm->fStateMtx);
@@ -368,20 +368,18 @@ void StateMachine::ProcessWork()
 {
     auto fsm = static_pointer_cast<FairMQFSM>(fFsm);
 
-    try {
-        fsm->CallStateChangeCallbacks(State::Idle);
-        fsm->ProcessWork();
-    } catch(ErrorStateException& ese) {
-        LOG(trace) << "ErrorStateException caught in ProcessWork(), rethrowing";
-        throw;
-    } catch(...) {
-        LOG(debug) << "Exception caught in ProcessWork(), going to Error state and rethrowing";
+    fair::mq::tools::CallOnDestruction cod([&](){
+        LOG(debug) << "Exception caught in ProcessWork(), going to Error state";
         {
             lock_guard<mutex> lock(fsm->fStateMtx);
             fsm->fState = State::Error;
             fsm->CallStateChangeCallbacks(State::Error);
         }
         ChangeState(Transition::ErrorFound);
-        throw;
-    }
+    });
+
+    fsm->CallStateChangeCallbacks(State::Idle);
+    fsm->ProcessWork();
+
+    cod.disable();
 }

fairmq/StateMachine.h

@@ -23,9 +23,13 @@ class StateMachine
 {
   public:
     StateMachine();
-    virtual ~StateMachine();
+    StateMachine(const StateMachine&) = delete;
+    StateMachine(StateMachine&&) = delete;
+    StateMachine& operator=(const StateMachine&) = delete;
+    StateMachine& operator=(StateMachine&&) = delete;
+    ~StateMachine();
 
-    bool ChangeState(const Transition transition);
+    bool ChangeState(Transition transition);
     bool ChangeState(const std::string& transition) { return ChangeState(GetTransition(transition)); }
 
     void SubscribeToStateChange(const std::string& key, std::function<void(const State)> callback);
@@ -39,7 +43,7 @@ class StateMachine
 
     bool NewStatePending() const;
     void WaitForPendingState() const;
-    bool WaitForPendingStateFor(const int durationInMs) const;
+    bool WaitForPendingStateFor(int durationInMs) const;
 
     State GetCurrentState() const;
     std::string GetCurrentStateName() const;

fairmq/StateQueue.h

@@ -24,6 +24,10 @@ class StateQueue
 {
   public:
     StateQueue() = default;
+    StateQueue(const StateQueue&) = delete;
+    StateQueue(StateQueue&&) = delete;
+    StateQueue& operator=(const StateQueue&) = delete;
+    StateQueue& operator=(StateQueue&&) = delete;
     ~StateQueue() = default;
 
     fair::mq::State WaitForNext()

fairmq/States.cxx

@@ -16,7 +16,7 @@ using namespace std;
 namespace fair::mq
 {
 
-array<string, 16> stateNames =
+const array<string, 16> stateNames =
 {
     {
         "UNDEFINED",
@@ -38,7 +38,7 @@ array<string, 16> stateNames =
     }
 };
 
-unordered_map<string, State> states =
+const unordered_map<string, State> states =
 {
     { "UNDEFINED",           State::Undefined },
     { "OK",                  State::Ok },
@@ -58,7 +58,7 @@ unordered_map<string, State> states =
     { "EXITING",             State::Exiting }
 };
 
-array<string, 12> transitionNames =
+const array<string, 12> transitionNames =
 {
     {
         "AUTO",
@@ -76,7 +76,7 @@ array<string, 12> transitionNames =
     }
 };
 
-unordered_map<string, Transition> transitions =
+const unordered_map<string, Transition> transitions =
 {
     { "AUTO",          Transition::Auto },
     { "INIT DEVICE",   Transition::InitDevice },

fairmq/SuboptParser.cxx

@@ -38,6 +38,8 @@ enum channelOptionKeyIds
     RCVBUFSIZE,     // size of the receive queue
     SNDKERNELSIZE,
     RCVKERNELSIZE,
+    SNDTIMEOUTMS,
+    RCVTIMEOUTMS,
     LINGER,
     RATELOGGING,    // logging rate
     PORTRANGEMIN,
@@ -57,6 +59,8 @@ constexpr static const char* channelOptionKeys[] = {
     /*[RCVBUFSIZE]    = */ "rcvBufSize",
     /*[SNDKERNELSIZE] = */ "sndKernelSize",
     /*[RCVKERNELSIZE] = */ "rcvKernelSize",
+    /*[SNDTIMEOUTMS]  = */ "sndTimeoutMs",
+    /*[RCVTIMEOUTMS]  = */ "rcvTimeoutMs",
     /*[LINGER]        = */ "linger",
     /*[RATELOGGING]   = */ "rateLogging",
     /*[PORTRANGEMIN]  = */ "portRangeMin",

fairmq/Tools.h

@@ -11,6 +11,7 @@
 
 // IWYU pragma: begin_exports
 #include <fairmq/tools/CppSTL.h>
+#include <fairmq/tools/Exceptions.h>
 #include <fairmq/tools/InstanceLimit.h>
 #include <fairmq/tools/Network.h>
 #include <fairmq/tools/Process.h>

fairmq/TransportFactory.h

@@ -43,6 +43,11 @@ class TransportFactory
         : fkId(std::move(id))
     {}
 
+    TransportFactory(const TransportFactory&) = delete;
+    TransportFactory(TransportFactory&&) = delete;
+    TransportFactory& operator=(const TransportFactory&) = delete;
+    TransportFactory& operator=(TransportFactory&&) = delete;
+
     auto GetId() const -> const std::string { return fkId; };
 
     /// Get a pointer to the associated polymorphic memory resource
@@ -104,13 +109,15 @@ class TransportFactory
     /// @param path optional parameter to pass to the underlying transport
     /// @param flags optional parameter to pass to the underlying transport
     /// @return pointer to UnmanagedRegion
-    virtual UnmanagedRegionPtr CreateUnmanagedRegion(const size_t size,
+    // [[deprecated("Use CreateUnmanagedRegion(size_t size, RegionCallback callback, RegionConfig cfg)")]]
+    virtual UnmanagedRegionPtr CreateUnmanagedRegion(size_t size,
                                                      RegionCallback callback = nullptr,
                                                      const std::string& path = "",
                                                      int flags = 0,
                                                      RegionConfig cfg = RegionConfig()) = 0;
-    virtual UnmanagedRegionPtr CreateUnmanagedRegion(const size_t size,
-                                                     RegionBulkCallback callback = nullptr,
+    // [[deprecated("Use CreateUnmanagedRegion(size_t size, RegionCallback callback, RegionConfig cfg)")]]
+    virtual UnmanagedRegionPtr CreateUnmanagedRegion(size_t size,
+                                                     RegionBulkCallback bulkCallback = nullptr,
                                                      const std::string& path = "",
                                                      int flags = 0,
                                                      RegionConfig cfg = RegionConfig()) = 0;
@@ -123,19 +130,35 @@ class TransportFactory
     /// @param path optional parameter to pass to the underlying transport
     /// @param flags optional parameter to pass to the underlying transport
     /// @return pointer to UnmanagedRegion
-    virtual UnmanagedRegionPtr CreateUnmanagedRegion(const size_t size,
-                                                     const int64_t userFlags,
+    // [[deprecated("Use CreateUnmanagedRegion(size_t size, RegionCallback callback, RegionConfig cfg)")]]
+    virtual UnmanagedRegionPtr CreateUnmanagedRegion(size_t size,
+                                                     int64_t userFlags,
                                                      RegionCallback callback = nullptr,
                                                      const std::string& path = "",
                                                      int flags = 0,
                                                      RegionConfig cfg = RegionConfig()) = 0;
-    virtual UnmanagedRegionPtr CreateUnmanagedRegion(const size_t size,
-                                                     const int64_t userFlags,
-                                                     RegionBulkCallback callback = nullptr,
+    // [[deprecated("Use CreateUnmanagedRegion(size_t size, RegionCallback callback, RegionConfig cfg)")]]
+    virtual UnmanagedRegionPtr CreateUnmanagedRegion(size_t size,
+                                                     int64_t userFlags,
+                                                     RegionBulkCallback bulkCallback = nullptr,
                                                      const std::string& path = "",
                                                      int flags = 0,
                                                      RegionConfig cfg = RegionConfig()) = 0;
 
+    /// @brief Create new UnmanagedRegion
+    /// @param size size of the region
+    /// @param callback callback to be called when a message belonging to this region is no longer needed by the transport
+    /// @param cfg region configuration
+    /// @return pointer to UnmanagedRegion
+    virtual UnmanagedRegionPtr CreateUnmanagedRegion(size_t size, RegionCallback callback, RegionConfig cfg) = 0;
+
+    /// @brief Create new UnmanagedRegion
+    /// @param size size of the region
+    /// @param bulkCallback callback to be called when message(s) belonging to this region is no longer needed by the transport
+    /// @param cfg region configuration
+    /// @return pointer to UnmanagedRegion
+    virtual UnmanagedRegionPtr CreateUnmanagedRegion(size_t size, RegionBulkCallback bulkCallback, RegionConfig cfg) = 0;
+
     /// @brief Subscribe to region events (creation, destruction, ...)
     /// @param callback the callback that is called when a region event occurs
     virtual void SubscribeToRegionEvents(RegionEventCallback callback) = 0;

fairmq/Transports.h

@@ -31,21 +31,21 @@ struct TransportError : std::runtime_error
     using std::runtime_error::runtime_error;
 };
 
-static std::unordered_map<std::string, Transport> TransportTypes{
+static const std::unordered_map<std::string, Transport> TransportTypes{
     {"default", Transport::DEFAULT},
     {"zeromq", Transport::ZMQ},
     {"shmem", Transport::SHM},
     {"ofi", Transport::OFI}
 };
 
-static std::unordered_map<Transport, std::string> TransportNames{
+static const std::unordered_map<Transport, std::string> TransportNames{
     {Transport::DEFAULT, "default"},
     {Transport::ZMQ, "zeromq"},
     {Transport::SHM, "shmem"},
     {Transport::OFI, "ofi"}
 };
 
-inline std::string TransportName(Transport transport) { return TransportNames[transport]; }
+inline std::string TransportName(Transport transport) { return TransportNames.at(transport); }
 
 inline Transport TransportType(const std::string& transport)
 try {

fairmq/UnmanagedRegion.h

@@ -9,12 +9,16 @@
 #ifndef FAIR_MQ_UNMANAGEDREGION_H
 #define FAIR_MQ_UNMANAGEDREGION_H
 
+#include <fairmq/Transports.h>
+
 #include <cstddef>   // size_t
 #include <cstdint>   // uint32_t
-#include <fairmq/Transports.h>
+
 #include <functional>   // std::function
 #include <memory>       // std::unique_ptr
-#include <ostream>      // std::ostream
+#include <optional>     // std::optional
+#include <ostream>
+#include <string>
 #include <vector>
 
 namespace fair::mq {
@@ -78,6 +82,11 @@ struct UnmanagedRegion
         : fTransport(factory)
     {}
 
+    UnmanagedRegion(const UnmanagedRegion&) = delete;
+    UnmanagedRegion(UnmanagedRegion&&) = delete;
+    UnmanagedRegion& operator=(const UnmanagedRegion&) = delete;
+    UnmanagedRegion& operator=(UnmanagedRegion&&) = delete;
+
     virtual void* GetData() const = 0;
     virtual size_t GetSize() const = 0;
     virtual uint16_t GetId() const = 0;
@@ -114,13 +123,20 @@ struct RegionConfig
 {
     RegionConfig() = default;
 
-    RegionConfig(bool l, bool z)
-        : lock(l)
-        , zero(z)
+    RegionConfig(bool _lock, bool _zero)
+        : lock(_lock)
+        , zero(_zero)
     {}
 
-    bool lock = false;
-    bool zero = false;
+    bool lock = false; /// mlock region after creation
+    bool zero = false; /// zero region content after creation
+    bool removeOnDestruction = true; /// remove the region on object destruction
+    int creationFlags = 0; /// flags passed to the underlying transport on region creation
+    int64_t userFlags = 0; /// custom flags that have no effect on the transport, but can be retrieved from the region by the user
+    uint64_t size = 0; /// region size
+    std::string path = ""; /// file path, if the region is backed by a file
+    std::optional<uint16_t> id = std::nullopt; /// region id
+    uint32_t linger = 100; /// delay in ms before region destruction to collect outstanding events
 };
 
 }   // namespace fair::mq

fairmq/devices/BenchmarkSampler.h

@@ -44,7 +44,7 @@ class BenchmarkSampler : public Device
     void Run() override
     {
         // store the channel reference to avoid traversing the map on every loop iteration
-        FairMQChannel& dataOutChannel = fChannels.at(fOutChannelName).at(0);
+        Channel& dataOutChannel = GetChannel(fOutChannelName, 0);
 
         LOG(info) << "Starting the benchmark with message size of " << fMsgSize << " and " << fMaxIterations << " iterations.";
         auto tStart = std::chrono::high_resolution_clock::now();
@@ -53,7 +53,7 @@ class BenchmarkSampler : public Device
 
         while (!NewStatePending()) {
             if (fMultipart) {
-                FairMQParts parts;
+                Parts parts;
 
                 for (size_t i = 0; i < fNumParts; ++i) {
                     parts.AddPart(dataOutChannel.NewMessage(fMsgSize, fair::mq::Alignment{fMsgAlignment}));
@@ -71,7 +71,7 @@ class BenchmarkSampler : public Device
                     ++fNumIterations;
                 }
             } else {
-                FairMQMessagePtr msg(dataOutChannel.NewMessage(fMsgSize, fair::mq::Alignment{fMsgAlignment}));
+                MessagePtr msg(dataOutChannel.NewMessage(fMsgSize, fair::mq::Alignment{fMsgAlignment}));
                 if (fMemSet) {
                     std::memset(msg->GetData(), 0, msg->GetSize());
                 }

fairmq/devices/Merger.h

@@ -9,7 +9,7 @@
 #ifndef FAIR_MQ_MERGER_H
 #define FAIR_MQ_MERGER_H
 
-#include <FairMQPoller.h>
+#include <fairmq/Poller.h>
 #include <fairmq/Device.h>
 
 #include <fairlogger/Logger.h>
@@ -43,15 +43,15 @@ class Merger : public Device
 
     void Run() override
     {
-        int numInputs = fChannels.at(fInChannelName).size();
+        int numInputs = GetNumSubChannels(fInChannelName);
 
-        std::vector<FairMQChannel*> chans;
+        std::vector<Channel*> chans;
 
         for (auto& chan : fChannels.at(fInChannelName)) {
             chans.push_back(&chan);
         }
 
-        FairMQPollerPtr poller(NewPoller(chans));
+        PollerPtr poller(NewPoller(chans));
 
         if (fMultipart) {
             while (!NewStatePending()) {
@@ -61,7 +61,7 @@ class Merger : public Device
                 for (int i = 0; i < numInputs; ++i) {
                     // Check if the channel has data ready to be received.
                     if (poller->CheckInput(i)) {
-                        FairMQParts payload;
+                        Parts payload;
 
                         if (Receive(payload, fInChannelName, i) >= 0) {
                             if (Send(payload, fOutChannelName) < 0) {
@@ -83,7 +83,7 @@ class Merger : public Device
                 for (int i = 0; i < numInputs; ++i) {
                     // Check if the channel has data ready to be received.
                     if (poller->CheckInput(i)) {
-                        FairMQMessagePtr payload(fTransportFactory->CreateMessage());
+                        MessagePtr payload(fTransportFactory->CreateMessage());
 
                         if (Receive(payload, fInChannelName, i) >= 0) {
                             if (Send(payload, fOutChannelName) < 0) {

fairmq/devices/Multiplier.h

@@ -30,7 +30,7 @@ class Multiplier : public Device
         fMultipart = fConfig->GetProperty<bool>("multipart");
         fInChannelName = fConfig->GetProperty<std::string>("in-channel");
         fOutChannelNames = fConfig->GetProperty<std::vector<std::string>>("out-channel");
-        fNumOutputs = fChannels.at(fOutChannelNames.at(0)).size();
+        fNumOutputs = GetNumSubChannels(fOutChannelNames.at(0));
 
         if (fMultipart) {
             OnData(fInChannelName, &Multiplier::HandleMultipartData);
@@ -40,21 +40,21 @@ class Multiplier : public Device
     }
 
 
-    bool HandleSingleData(std::unique_ptr<FairMQMessage>& payload, int)
+    bool HandleSingleData(std::unique_ptr<Message>& payload, int)
     {
         for (unsigned int i = 0; i < fOutChannelNames.size() - 1; ++i) { // all except last channel
-            for (unsigned int j = 0; j < fChannels.at(fOutChannelNames.at(i)).size(); ++j) { // all subChannels in a channel
-                FairMQMessagePtr msgCopy(fTransportFactory->CreateMessage());
+            for (unsigned int j = 0; j < GetNumSubChannels(fOutChannelNames.at(i)); ++j) { // all subChannels in a channel
+                MessagePtr msgCopy(fTransportFactory->CreateMessage());
                 msgCopy->Copy(*payload);
 
                 Send(msgCopy, fOutChannelNames.at(i), j);
             }
         }
 
-        unsigned int lastChannelSize = fChannels.at(fOutChannelNames.back()).size();
+        unsigned int lastChannelSize = GetNumSubChannels(fOutChannelNames.back());
 
         for (unsigned int i = 0; i < lastChannelSize - 1; ++i) { // iterate over all except last subChannels of the last channel
-            FairMQMessagePtr msgCopy(fTransportFactory->CreateMessage());
+            MessagePtr msgCopy(fTransportFactory->CreateMessage());
             msgCopy->Copy(*payload);
 
             Send(msgCopy, fOutChannelNames.back(), i);
@@ -65,14 +65,14 @@ class Multiplier : public Device
         return true;
     }
 
-    bool HandleMultipartData(FairMQParts& payload, int)
+    bool HandleMultipartData(Parts& payload, int)
     {
         for (unsigned int i = 0; i < fOutChannelNames.size() - 1; ++i) { // all except last channel
-            for (unsigned int j = 0; j < fChannels.at(fOutChannelNames.at(i)).size(); ++j) { // all subChannels in a channel
-                FairMQParts parts;
+            for (unsigned int j = 0; j < GetNumSubChannels(fOutChannelNames.at(i)); ++j) { // all subChannels in a channel
+                Parts parts;
 
                 for (int k = 0; k < payload.Size(); ++k) {
-                    FairMQMessagePtr msgCopy(fTransportFactory->CreateMessage());
+                    MessagePtr msgCopy(fTransportFactory->CreateMessage());
                     msgCopy->Copy(payload.AtRef(k));
                     parts.AddPart(std::move(msgCopy));
                 }
@@ -81,13 +81,13 @@ class Multiplier : public Device
             }
         }
 
-        unsigned int lastChannelSize = fChannels.at(fOutChannelNames.back()).size();
+        unsigned int lastChannelSize = GetNumSubChannels(fOutChannelNames.back());
 
         for (unsigned int i = 0; i < lastChannelSize - 1; ++i) { // iterate over all except last subChannels of the last channel
-            FairMQParts parts;
+            Parts parts;
 
             for (int k = 0; k < payload.Size(); ++k) {
-                FairMQMessagePtr msgCopy(fTransportFactory->CreateMessage());
+                MessagePtr msgCopy(fTransportFactory->CreateMessage());
                 msgCopy->Copy(payload.AtRef(k));
                 parts.AddPart(std::move(msgCopy));
             }

fairmq/devices/Proxy.h

@@ -34,7 +34,7 @@ class Proxy : public Device
     {
         if (fMultipart) {
             while (!NewStatePending()) {
-                FairMQParts payload;
+                Parts payload;
                 if (Receive(payload, fInChannelName) >= 0) {
                     if (Send(payload, fOutChannelName) < 0) {
                         LOG(debug) << "Transfer interrupted";
@@ -47,7 +47,7 @@ class Proxy : public Device
             }
         } else {
             while (!NewStatePending()) {
-                FairMQMessagePtr payload(fTransportFactory->CreateMessage());
+                MessagePtr payload(fTransportFactory->CreateMessage());
                 if (Receive(payload, fInChannelName) >= 0) {
                     if (Send(payload, fOutChannelName) < 0) {
                         LOG(debug) << "Transfer interrupted";

fairmq/devices/Sink.h

@@ -9,7 +9,6 @@
 #ifndef FAIR_MQ_SINK_H
 #define FAIR_MQ_SINK_H
 
-#include <FairMQPoller.h>
 #include <fairmq/Device.h>
 #include <fairmq/tools/Strings.h>
 
@@ -48,7 +47,7 @@ class Sink : public Device
     void Run() override
     {
         // store the channel reference to avoid traversing the map on every loop iteration
-        FairMQChannel& dataInChannel = fChannels.at(fInChannelName).at(0);
+        Channel& dataInChannel = GetChannel(fInChannelName, 0);
 
         LOG(info) << "Starting sink and expecting to receive " << fMaxIterations << " messages.";
         auto tStart = std::chrono::high_resolution_clock::now();
@@ -70,7 +69,7 @@ class Sink : public Device
 
         while (!NewStatePending()) {
             if (fMultipart) {
-                FairMQParts parts;
+                Parts parts;
                 if (dataInChannel.Receive(parts) < 0) {
                     continue;
                 }
@@ -80,7 +79,7 @@ class Sink : public Device
                     }
                 }
             } else {
-                FairMQMessagePtr msg(dataInChannel.NewMessage());
+                MessagePtr msg(dataInChannel.NewMessage());
                 if (dataInChannel.Receive(msg) < 0) {
                     continue;
                 }

fairmq/devices/Splitter.h

@@ -30,13 +30,13 @@ class Splitter : public Device
         fMultipart = fConfig->GetProperty<bool>("multipart");
         fInChannelName = fConfig->GetProperty<std::string>("in-channel");
         fOutChannelName = fConfig->GetProperty<std::string>("out-channel");
-        fNumOutputs = fChannels.at(fOutChannelName).size();
+        fNumOutputs = GetNumSubChannels(fOutChannelName);
         fDirection = 0;
 
         if (fMultipart) {
-            OnData(fInChannelName, &Splitter::HandleData<FairMQParts>);
+            OnData(fInChannelName, &Splitter::HandleData<Parts>);
         } else {
-            OnData(fInChannelName, &Splitter::HandleData<FairMQMessagePtr>);
+            OnData(fInChannelName, &Splitter::HandleData<MessagePtr>);
         }
     }
 

fairmq/ofi/Context.h

@@ -54,6 +54,10 @@ class Context
     Context(FairMQTransportFactory& sendFactory,
             FairMQTransportFactory& receiveFactory,
             int numberIoThreads = 1);
+    Context(const Context&) = delete;
+    Context(Context&&) = delete;
+    Context& operator=(const Context&) = delete;
+    Context& operator=(Context&&) = delete;
     ~Context();
 
     auto GetAsiofiVersion() const -> std::string;

fairmq/ofi/Message.cxx

@@ -110,7 +110,7 @@ auto Message::Rebuild(Alignment /* alignment */) -> void
     Rebuild();
 }
 
-auto Message::Rebuild(const size_t size) -> void
+auto Message::Rebuild(size_t size) -> void
 {
     if (fFreeFunction) {
       fFreeFunction(fData, fHint);
@@ -131,13 +131,13 @@ auto Message::Rebuild(const size_t size) -> void
     fHint = nullptr;
 }
 
-auto Message::Rebuild(const size_t size, Alignment /* alignment */) -> void
+auto Message::Rebuild(size_t size, Alignment /* alignment */) -> void
 {
     // TODO: implement alignment
     Rebuild(size);
 }
 
-auto Message::Rebuild(void* /*data*/, const size_t size, fairmq_free_fn* ffn, void* hint) -> void
+auto Message::Rebuild(void* /*data*/, size_t size, fairmq_free_fn* ffn, void* hint) -> void
 {
     if (fFreeFunction) {
       fFreeFunction(fData, fHint);
@@ -169,7 +169,7 @@ auto Message::GetSize() const -> size_t
     return fSize;
 }
 
-auto Message::SetUsedSize(const size_t size) -> bool
+auto Message::SetUsedSize(size_t size) -> bool
 {
     if (size == fSize) {
         return true;

fairmq/ofi/Message.h

@@ -32,32 +32,34 @@ class Message final : public fair::mq::Message
   public:
     Message(std::pmr::memory_resource* pmr);
     Message(std::pmr::memory_resource* pmr, Alignment alignment);
-    Message(std::pmr::memory_resource* pmr, const size_t size);
-    Message(std::pmr::memory_resource* pmr, const size_t size, Alignment alignment);
+    Message(std::pmr::memory_resource* pmr, size_t size);
+    Message(std::pmr::memory_resource* pmr, size_t size, Alignment alignment);
     Message(std::pmr::memory_resource* pmr,
             void* data,
-            const size_t size,
+            size_t size,
             fairmq_free_fn* ffn,
             void* hint = nullptr);
     Message(std::pmr::memory_resource* pmr,
             fair::mq::UnmanagedRegionPtr& region,
             void* data,
-            const size_t size,
+            size_t size,
             void* hint = 0);
 
     Message(const Message&) = delete;
-    Message operator=(const Message&) = delete;
+    Message(Message&&) = delete;
+    Message& operator=(const Message&) = delete;
+    Message& operator=(Message&&) = delete;
 
     auto Rebuild() -> void override;
     auto Rebuild(Alignment alignment) -> void override;
-    auto Rebuild(const size_t size) -> void override;
-    auto Rebuild(const size_t size, Alignment alignment) -> void override;
-    auto Rebuild(void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr) -> void override;
+    auto Rebuild(size_t size) -> void override;
+    auto Rebuild(size_t size, Alignment alignment) -> void override;
+    auto Rebuild(void* data, size_t size, fairmq_free_fn* ffn, void* hint = nullptr) -> void override;
 
     auto GetData() const -> void* override;
     auto GetSize() const -> size_t override;
 
-    auto SetUsedSize(const size_t size) -> bool override;
+    auto SetUsedSize(size_t size) -> bool override;
 
     auto GetType() const -> fair::mq::Transport override { return fair::mq::Transport::OFI; }
 

fairmq/ofi/Socket.cxx

@@ -10,7 +10,7 @@
 #include <fairmq/ofi/Socket.h>
 #include <fairmq/ofi/TransportFactory.h>
 #include <fairmq/tools/Strings.h>
-#include <FairMQLogger.h>
+#include <fairlogger/Logger.h>
 
 #include <asiofi.hpp>
 #include <asio/buffer.hpp>
@@ -43,8 +43,6 @@ Socket::Socket(Context& context, const string& type, const string& name, const s
     , fBytesRx(0)
     , fMessagesTx(0)
     , fMessagesRx(0)
-    , fSndTimeout(100)
-    , fRcvTimeout(100)
     , fMultiPartRecvCounter(-1)
     , fSendPushSem(fContext.GetIoContext(), 384)
     , fSendPopSem(fContext.GetIoContext(), 0)
@@ -250,7 +248,7 @@ auto Socket::ConnectEndpoint(std::unique_ptr<asiofi::connected_endpoint>& endpoi
     }
 }
 
-auto Socket::Send(MessagePtr& msg, const int /*timeout*/) -> int64_t
+auto Socket::Send(MessagePtr& msg, int /*timeout*/) -> int64_t
 {
     // timeout argument not yet implemented
 
@@ -261,7 +259,7 @@ auto Socket::Send(MessagePtr& msg, const int /*timeout*/) -> int64_t
     return Send(msgVec);
 }
 
-auto Socket::Send(std::vector<MessagePtr>& msgVec, const int /*timeout*/) -> int64_t
+auto Socket::Send(std::vector<MessagePtr>& msgVec, int /*timeout*/) -> int64_t
 try {
     // timeout argument not yet implemented
 
@@ -408,7 +406,7 @@ auto Socket::SendQueueReaderStatic() -> void
     });
 }
 
-auto Socket::Receive(MessagePtr& msg, const int /*timeout*/) -> int64_t
+auto Socket::Receive(MessagePtr& msg, int /*timeout*/) -> int64_t
 try {
     // timeout argument not yet implemented
 
@@ -430,7 +428,7 @@ try {
     return static_cast<int>(TransferCode::error);
 }
 
-auto Socket::Receive(std::vector<MessagePtr>& msgVec, const int /*timeout*/) -> int64_t
+auto Socket::Receive(std::vector<MessagePtr>& msgVec, int /*timeout*/) -> int64_t
 try {
     // timeout argument not yet implemented
 
@@ -609,7 +607,7 @@ auto Socket::GetOption(const string& /*option*/, void* /*value*/, size_t* /*valu
     // }
 }
 
-void Socket::SetLinger(const int /*value*/)
+void Socket::SetLinger(int /*value*/)
 {
     LOG(debug) << "OFI transport (" << fId << "): Not yet implemented.";
 }
@@ -620,7 +618,7 @@ int Socket::GetLinger() const
     return 0;
 }
 
-void Socket::SetSndBufSize(const int /*value*/)
+void Socket::SetSndBufSize(int /*value*/)
 {
     LOG(debug) << "OFI transport (" << fId << "): Not yet implemented.";
 }
@@ -631,7 +629,7 @@ int Socket::GetSndBufSize() const
     return 0;
 }
 
-void Socket::SetRcvBufSize(const int /*value*/)
+void Socket::SetRcvBufSize(int /*value*/)
 {
     LOG(debug) << "OFI transport (" << fId << "): Not yet implemented.";
 }
@@ -642,7 +640,7 @@ int Socket::GetRcvBufSize() const
     return 0;
 }
 
-void Socket::SetSndKernelSize(const int /*value*/)
+void Socket::SetSndKernelSize(int /*value*/)
 {
     LOG(debug) << "OFI transport (" << fId << "): Not yet implemented.";
 }
@@ -653,7 +651,7 @@ int Socket::GetSndKernelSize() const
     return 0;
 }
 
-void Socket::SetRcvKernelSize(const int /*value*/)
+void Socket::SetRcvKernelSize(int /*value*/)
 {
     LOG(debug) << "OFI transport (" << fId << "): Not yet implemented.";
 }

fairmq/ofi/Socket.h

@@ -36,7 +36,9 @@ class Socket final : public fair::mq::Socket
   public:
     Socket(Context& context, const std::string& type, const std::string& name, const std::string& id = "");
     Socket(const Socket&) = delete;
-    Socket operator=(const Socket&) = delete;
+    Socket(Socket&&) = delete;
+    Socket& operator=(const Socket&) = delete;
+    Socket& operator=(Socket&&) = delete;
 
     auto GetId() const -> std::string override { return fId; }
 
@@ -51,15 +53,15 @@ class Socket final : public fair::mq::Socket
 
     auto GetSocket() const -> void* { return nullptr; }
 
-    void SetLinger(const int value) override;
+    void SetLinger(int value) override;
     int GetLinger() const override;
-    void SetSndBufSize(const int value) override;
+    void SetSndBufSize(int value) override;
     int GetSndBufSize() const override;
-    void SetRcvBufSize(const int value) override;
+    void SetRcvBufSize(int value) override;
     int GetRcvBufSize() const override;
-    void SetSndKernelSize(const int value) override;
+    void SetSndKernelSize(int value) override;
     int GetSndKernelSize() const override;
-    void SetRcvKernelSize(const int value) override;
+    void SetRcvKernelSize(int value) override;
     int GetRcvKernelSize() const override;
 
     auto Close() -> void override;
@@ -72,6 +74,11 @@ class Socket final : public fair::mq::Socket
     auto GetMessagesTx() const -> unsigned long override { return fMessagesTx; }
     auto GetMessagesRx() const -> unsigned long override { return fMessagesRx; }
 
+    auto GetNumberOfConnectedPeers() const -> unsigned long override
+    {
+        throw SocketError("not yet implemented");
+    }
+
     static auto GetConstant(const std::string& constant) -> int;
 
     ~Socket() override;
@@ -91,8 +98,6 @@ class Socket final : public fair::mq::Socket
     std::atomic<unsigned long> fMessagesRx;
     Address fRemoteAddr;
     Address fLocalAddr;
-    int fSndTimeout;
-    int fRcvTimeout;
     std::mutex fSendQueueMutex, fRecvQueueMutex;
     std::queue<std::vector<MessagePtr>> fSendQueue, fRecvQueue;
     std::vector<MessagePtr> fInflightMultiPartMessage;

fairmq/ofi/TransportFactory.h

@@ -55,10 +55,11 @@ struct TransportFactory final : mq::TransportFactory
         }
     }
 
-    TransportFactory(TransportFactory const&) = delete;
-    TransportFactory& operator=(TransportFactory const&) = delete;
-    TransportFactory(TransportFactory&&) = default;
-    TransportFactory& operator=(TransportFactory&&) = default;
+    TransportFactory(const TransportFactory&) = delete;
+    TransportFactory(TransportFactory&&) = delete;
+    TransportFactory& operator=(const TransportFactory&) = delete;
+    TransportFactory& operator=(TransportFactory&&) = delete;
+    ~TransportFactory() override = default;
 
     auto CreateMessage() -> std::unique_ptr<mq::Message> override
     {
@@ -165,6 +166,22 @@ struct TransportFactory final : mq::TransportFactory
         throw std::runtime_error("Not yet implemented UMR.");
     }
 
+    auto CreateUnmanagedRegion(std::size_t /*size*/,
+                               RegionCallback /*callback*/,
+                               RegionConfig /*cfg*/)
+        -> std::unique_ptr<mq::UnmanagedRegion> override
+    {
+        throw std::runtime_error("Not yet implemented UMR.");
+    }
+
+    auto CreateUnmanagedRegion(std::size_t /*size*/,
+                               RegionBulkCallback /*callback*/,
+                               RegionConfig /*cfg*/)
+        -> std::unique_ptr<mq::UnmanagedRegion> override
+    {
+        throw std::runtime_error("Not yet implemented UMR.");
+    }
+
     auto SubscribeToRegionEvents(RegionEventCallback /*callback*/) -> void override
     {
         throw std::runtime_error("Not yet implemented.");

fairmq/plugins/PMIx/PMIx.hpp

@@ -18,6 +18,7 @@
 #include <pmix.h>
 #include <sstream>
 #include <stdexcept>
+#include <string>
 #include <type_traits>
 #include <utility>
 #include <vector>
@@ -86,7 +87,7 @@ struct value : pmix_value_t
         PMIX_VALUE_XFER(rc, lhs, static_cast<pmix_value_t*>(const_cast<value*>(&rhs)));
 
         if (rc != PMIX_SUCCESS) {
-            throw runtime_error("pmix::value copy ctor failed: rc=" + rc);
+            throw runtime_error("pmix::value copy ctor failed: rc=" + std::to_string(rc));
         }
     }
 

fairmq/plugins/PMIx/PMIxCommands.h

@@ -11,7 +11,7 @@
 
 #include "PMIx.hpp"
 
-#include <FairMQLogger.h>
+#include <fairlogger/Logger.h>
 #include <fairmq/tools/Semaphore.h>
 #include <memory> // make_unique
 #include <string>
@@ -270,7 +270,7 @@ class Commands
                 // LOG(trace) << "suppressing message from itself";
             }
         } else {
-            LOG(ERROR) << "ERROR";
+            LOG(error) << "ERROR";
         }
 
         if (cbfunc != nullptr) {