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Run state handlers on the main thread (breaking change for control).

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This commit is contained in:
Alexey Rybalchenko
2018-06-14 13:38:21 +02:00
committed by Dennis Klein
parent c064da91df
commit a53ef79552
11 changed files with 284 additions and 270 deletions
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14
fairmq/DeviceRunner.cxx
View File

@@ -13,11 +13,12 @@
using namespace fair::mq;
DeviceRunner::DeviceRunner(int argc, char* const argv[])
: fRawCmdLineArgs{tools::ToStrVector(argc, argv, false)}
, fPluginManager{PluginManager::MakeFromCommandLineOptions(fRawCmdLineArgs)}
, fDevice{nullptr}
{
}
: fRawCmdLineArgs(tools::ToStrVector(argc, argv, false))
, fPluginManager(PluginManager::MakeFromCommandLineOptions(fRawCmdLineArgs))
, fConfig()
, fDevice(nullptr)
, fEvents()
{}
auto DeviceRunner::Run() -> int
{
@@ -87,6 +88,9 @@ auto DeviceRunner::Run() -> int
// Instantiate and run plugins
fPluginManager->InstantiatePlugins();
// Run the device
fDevice->RunStateMachine();
// Wait for control plugin to release device control
fPluginManager->WaitForPluginsToReleaseDeviceControl();

2
fairmq/FairMQDevice.h
View File

@@ -416,6 +416,8 @@ class FairMQDevice : public FairMQStateMachine
void SetRawCmdLineArgs(const std::vector<std::string>& args) { fRawCmdLineArgs = args; }
std::vector<std::string> GetRawCmdLineArgs() const { return fRawCmdLineArgs; }
void RunStateMachine() { ProcessWork(); };
protected:
std::shared_ptr<FairMQTransportFactory> fTransportFactory; ///< Default transport factory
std::unordered_map<fair::mq::Transport, std::shared_ptr<FairMQTransportFactory>> fTransports; ///< Container for transports

407
fairmq/FairMQStateMachine.cxx
View File

@@ -13,6 +13,7 @@
*/
#include "FairMQStateMachine.h"
#include <fairmq/Tools.h>
// Increase maximum number of boost::msm states (default is 10)
// This #define has to be before any msm header includes
@@ -29,13 +30,20 @@
#include <atomic>
#include <condition_variable>
#include <thread>
#include <chrono>
#include <array>
#include <unordered_map>
using namespace std;
using namespace boost::msm::front;
namespace msmf = boost::msm::front;
namespace std
{
template<>
struct hash<FairMQStateMachine::Event> : fair::mq::tools::HashEnum<FairMQStateMachine::Event> {};
} /* namespace std */
namespace fair
{
@@ -44,31 +52,105 @@ namespace mq
namespace fsm
{
// defining events for the boost MSM state machine
struct INIT_DEVICE_E { string name() const { return "INIT_DEVICE"; } };
struct internal_DEVICE_READY_E { string name() const { return "internal_DEVICE_READY"; } };
struct INIT_TASK_E { string name() const { return "INIT_TASK"; } };
struct internal_READY_E { string name() const { return "internal_READY"; } };
struct RUN_E { string name() const { return "RUN"; } };
struct PAUSE_E { string name() const { return "PAUSE"; } };
struct STOP_E { string name() const { return "STOP"; } };
struct RESET_TASK_E { string name() const { return "RESET_TASK"; } };
struct RESET_DEVICE_E { string name() const { return "RESET_DEVICE"; } };
struct internal_IDLE_E { string name() const { return "internal_IDLE"; } };
struct END_E { string name() const { return "END"; } };
struct ERROR_FOUND_E { string name() const { return "ERROR_FOUND"; } };
// list of FSM states
struct OK_FSM_STATE : public state<> { static string Name() { return "OK"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::OK; } };
struct ERROR_FSM_STATE : public terminate_state<> { static string Name() { return "ERROR"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::Error; } };
// deactivate the warning for non-virtual destructor thrown in the boost library
#if defined(__clang__)
_Pragma("clang diagnostic push")
_Pragma("clang diagnostic ignored \"-Wnon-virtual-dtor\"")
#elif defined(__GNUC__) || defined(__GNUG__)
_Pragma("GCC diagnostic push")
_Pragma("GCC diagnostic ignored \"-Wnon-virtual-dtor\"")
#endif
struct IDLE_FSM_STATE : public state<> { static string Name() { return "IDLE"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::IDLE; } };
struct INITIALIZING_DEVICE_FSM_STATE : public state<> { static string Name() { return "INITIALIZING_DEVICE"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::INITIALIZING_DEVICE; } };
struct DEVICE_READY_FSM_STATE : public state<> { static string Name() { return "DEVICE_READY"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::DEVICE_READY; } };
struct INITIALIZING_TASK_FSM_STATE : public state<> { static string Name() { return "INITIALIZING_TASK"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::INITIALIZING_TASK; } };
struct READY_FSM_STATE : public state<> { static string Name() { return "READY"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::READY; } };
struct RUNNING_FSM_STATE : public state<> { static string Name() { return "RUNNING"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::RUNNING; } };
struct PAUSED_FSM_STATE : public state<> { static string Name() { return "PAUSED"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::PAUSED; } };
struct RESETTING_TASK_FSM_STATE : public state<> { static string Name() { return "RESETTING_TASK"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::RESETTING_TASK; } };
struct RESETTING_DEVICE_FSM_STATE : public state<> { static string Name() { return "RESETTING_DEVICE"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::RESETTING_DEVICE; } };
struct EXITING_FSM_STATE : public state<> { static string Name() { return "EXITING"; } static FairMQStateMachine::State Type() { return FairMQStateMachine::State::EXITING; } };
// list of FSM events
struct INIT_DEVICE_FSM_EVENT { static string Name() { return "INIT_DEVICE"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::INIT_DEVICE; } };
struct internal_DEVICE_READY_FSM_EVENT { static string Name() { return "internal_DEVICE_READY"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::internal_DEVICE_READY; } };
struct INIT_TASK_FSM_EVENT { static string Name() { return "INIT_TASK"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::INIT_TASK; } };
struct internal_READY_FSM_EVENT { static string Name() { return "internal_READY"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::internal_READY; } };
struct RUN_FSM_EVENT { static string Name() { return "RUN"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::RUN; } };
struct PAUSE_FSM_EVENT { static string Name() { return "PAUSE"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::PAUSE; } };
struct STOP_FSM_EVENT { static string Name() { return "STOP"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::STOP; } };
struct RESET_TASK_FSM_EVENT { static string Name() { return "RESET_TASK"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::RESET_TASK; } };
struct RESET_DEVICE_FSM_EVENT { static string Name() { return "RESET_DEVICE"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::RESET_DEVICE; } };
struct internal_IDLE_FSM_EVENT { static string Name() { return "internal_IDLE"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::internal_IDLE; } };
struct END_FSM_EVENT { static string Name() { return "END"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::END; } };
struct ERROR_FOUND_FSM_EVENT { static string Name() { return "ERROR_FOUND"; } static FairMQStateMachine::Event Type() { return FairMQStateMachine::Event::ERROR_FOUND; } };
static array<string, 12> stateNames =
{
{
"OK",
"Error",
"IDLE",
"INITIALIZING_DEVICE",
"DEVICE_READY",
"INITIALIZING_TASK",
"READY",
"RUNNING",
"PAUSED",
"RESETTING_TASK",
"RESETTING_DEVICE",
"EXITING"
}
};
static array<string, 12> eventNames =
{
{
"INIT_DEVICE",
"internal_DEVICE_READY",
"INIT_TASK",
"internal_READY",
"RUN",
"PAUSE",
"STOP",
"RESET_TASK",
"RESET_DEVICE",
"internal_IDLE",
"END",
"ERROR_FOUND"
}
};
static map<string, int> stateNumbers =
{
{ "OK", FairMQStateMachine::State::OK },
{ "Error", FairMQStateMachine::State::Error },
{ "IDLE", FairMQStateMachine::State::IDLE },
{ "INITIALIZING_DEVICE", FairMQStateMachine::State::INITIALIZING_DEVICE },
{ "DEVICE_READY", FairMQStateMachine::State::DEVICE_READY },
{ "INITIALIZING_TASK", FairMQStateMachine::State::INITIALIZING_TASK },
{ "READY", FairMQStateMachine::State::READY },
{ "RUNNING", FairMQStateMachine::State::RUNNING },
{ "PAUSED", FairMQStateMachine::State::PAUSED },
{ "RESETTING_TASK", FairMQStateMachine::State::RESETTING_TASK },
{ "RESETTING_DEVICE", FairMQStateMachine::State::RESETTING_DEVICE },
{ "EXITING", FairMQStateMachine::State::EXITING }
};
static map<string, int> eventNumbers =
{
{ "INIT_DEVICE", FairMQStateMachine::Event::INIT_DEVICE },
{ "internal_DEVICE_READY", FairMQStateMachine::Event::internal_DEVICE_READY },
{ "INIT_TASK", FairMQStateMachine::Event::INIT_TASK },
{ "internal_READY", FairMQStateMachine::Event::internal_READY },
{ "RUN", FairMQStateMachine::Event::RUN },
{ "PAUSE", FairMQStateMachine::Event::PAUSE },
{ "STOP", FairMQStateMachine::Event::STOP },
{ "RESET_TASK", FairMQStateMachine::Event::RESET_TASK },
{ "RESET_DEVICE", FairMQStateMachine::Event::RESET_DEVICE },
{ "internal_IDLE", FairMQStateMachine::Event::internal_IDLE },
{ "END", FairMQStateMachine::Event::END },
{ "ERROR_FOUND", FairMQStateMachine::Event::ERROR_FOUND }
};
// defining the boost MSM state machine
struct Machine_ : public msmf::state_machine_def<Machine_>
struct Machine_ : public state_machine_def<Machine_>
{
public:
Machine_()
@@ -81,23 +163,22 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
, fWorkAvailable(false)
, fStateChangeSignal()
, fStateChangeSignalsMap()
, fTerminationRequested(false)
, fState()
, fWorkerThread()
{}
virtual ~Machine_()
{}
// initial states
using initial_state = boost::mpl::vector<IDLE_FSM_STATE, OK_FSM_STATE>;
template<typename Event, typename FSM>
void on_entry(Event const&, FSM& fsm)
{
LOG(state) << "Starting FairMQ state machine";
fState = FairMQStateMachine::IDLE;
LOG(state) << "Entering IDLE state";
fsm.CallStateChangeCallbacks(FairMQStateMachine::IDLE);
// start a worker thread to execute user states in.
fsm.fWorkerThread = thread(&Machine_::Worker, &fsm);
}
template<typename Event, typename FSM>
@@ -106,41 +187,23 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
LOG(state) << "Exiting FairMQ state machine";
}
// list of FSM states
struct OK_FSM : public msmf::state<> {};
struct ERROR_FSM : public msmf::terminate_state<> {};
struct IDLE_FSM : public msmf::state<> {};
struct INITIALIZING_DEVICE_FSM : public msmf::state<> {};
struct DEVICE_READY_FSM : public msmf::state<> {};
struct INITIALIZING_TASK_FSM : public msmf::state<> {};
struct READY_FSM : public msmf::state<> {};
struct RUNNING_FSM : public msmf::state<> {};
struct PAUSED_FSM : public msmf::state<> {};
struct RESETTING_TASK_FSM : public msmf::state<> {};
struct RESETTING_DEVICE_FSM : public msmf::state<> {};
struct EXITING_FSM : public msmf::state<> {};
// initial states
using initial_state = boost::mpl::vector<IDLE_FSM, OK_FSM>;
// actions
struct IdleFct
struct AutomaticFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
LOG(state) << "Entering IDLE state";
fsm.fState = FairMQStateMachine::IDLE;
fsm.fState = ts.Type();
LOG(state) << "Entering " << ts.Name() << " state";
}
};
struct InitDeviceFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::INITIALIZING_DEVICE;
fsm.fState = ts.Type();
unique_lock<mutex> lock(fsm.fWorkMutex);
while (fsm.fWorkActive)
@@ -148,28 +211,18 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering INITIALIZING DEVICE state";
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fWork = fsm.fInitWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
};
struct DeviceReadyFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
{
LOG(state) << "Entering DEVICE READY state";
fsm.fState = FairMQStateMachine::DEVICE_READY;
}
};
struct InitTaskFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::INITIALIZING_TASK;
fsm.fState = ts.Type();
unique_lock<mutex> lock(fsm.fWorkMutex);
while (fsm.fWorkActive)
@@ -177,28 +230,18 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering INITIALIZING TASK state";
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fWork = fsm.fInitTaskWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
};
struct ReadyFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
{
LOG(state) << "Entering READY state";
fsm.fState = FairMQStateMachine::READY;
}
};
struct RunFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::RUNNING;
fsm.fState = ts.Type();
unique_lock<mutex> lock(fsm.fWorkMutex);
while (fsm.fWorkActive)
@@ -206,7 +249,7 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering RUNNING state";
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fWork = fsm.fRunWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
@@ -215,9 +258,9 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
struct PauseFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::PAUSED;
fsm.fState = ts.Type();
fsm.fUnblockHandler();
unique_lock<mutex> lock(fsm.fWorkMutex);
@@ -226,37 +269,18 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering PAUSED state";
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fWork = fsm.fPauseWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
};
struct ResumeFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
{
fsm.fState = FairMQStateMachine::RUNNING;
unique_lock<mutex> lock(fsm.fWorkMutex);
while (fsm.fWorkActive)
{
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering RUNNING state";
fsm.fWork = fsm.fRunWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
};
struct StopFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::READY;
fsm.fState = ts.Type();
fsm.fUnblockHandler();
unique_lock<mutex> lock(fsm.fWorkMutex);
@@ -264,27 +288,27 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
{
fsm.fWorkDoneCondition.wait(lock);
}
LOG(state) << "Entering READY state";
LOG(state) << "Entering " << ts.Name() << " state";
}
};
struct InternalStopFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::READY;
fsm.fState = ts.Type();
fsm.fUnblockHandler();
LOG(state) << "RUNNING state finished without an external event, entering READY state";
LOG(state) << "RUNNING state finished without an external event, entering " << ts.Name() << " state";
}
};
struct ResetTaskFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::RESETTING_TASK;
fsm.fState = ts.Type();
unique_lock<mutex> lock(fsm.fWorkMutex);
while (fsm.fWorkActive)
@@ -292,7 +316,7 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering RESETTING TASK state";
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fWork = fsm.fResetTaskWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
@@ -301,9 +325,9 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
struct ResetDeviceFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
fsm.fState = FairMQStateMachine::RESETTING_DEVICE;
fsm.fState = ts.Type();
unique_lock<mutex> lock(fsm.fWorkMutex);
while (fsm.fWorkActive)
@@ -311,7 +335,7 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
fsm.fWorkDoneCondition.wait(lock);
}
fsm.fWorkAvailable = true;
LOG(state) << "Entering RESETTING DEVICE state";
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fWork = fsm.fResetWrapperHandler;
fsm.fWorkAvailableCondition.notify_one();
}
@@ -320,26 +344,19 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
struct ExitingFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
LOG(state) << "Entering EXITING state";
fsm.fState = FairMQStateMachine::EXITING;
fsm.fTerminationRequested = true;
LOG(state) << "Entering " << ts.Name() << " state";
fsm.fState = ts.Type();
fsm.CallStateChangeCallbacks(FairMQStateMachine::EXITING);
// terminate worker thread
// Stop ProcessWork()
{
lock_guard<mutex> lock(fsm.fWorkMutex);
fsm.fWorkerTerminated = true;
fsm.fWorkAvailableCondition.notify_one();
}
// join the worker thread (executing user states)
if (fsm.fWorkerThread.joinable())
{
fsm.fWorkerThread.join();
}
fsm.fExitHandler();
}
};
@@ -347,32 +364,32 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
struct ErrorFoundFct
{
template<typename EVT, typename FSM, typename SourceState, typename TargetState>
void operator()(EVT const&, FSM& fsm, SourceState&, TargetState&)
void operator()(EVT const&, FSM& fsm, SourceState& /* ss */, TargetState& ts)
{
LOG(state) << "Entering ERROR state";
fsm.fState = FairMQStateMachine::Error;
fsm.fState = ts.Type();
LOG(state) << "Entering " << ts.Name() << " state";
fsm.CallStateChangeCallbacks(FairMQStateMachine::Error);
}
};
// Transition table for Machine_
struct transition_table : boost::mpl::vector<
// Start Event Next Action Guard
msmf::Row<IDLE_FSM, INIT_DEVICE_E, INITIALIZING_DEVICE_FSM, InitDeviceFct, msmf::none>,
msmf::Row<IDLE_FSM, END_E, EXITING_FSM, ExitingFct, msmf::none>,
msmf::Row<INITIALIZING_DEVICE_FSM, internal_DEVICE_READY_E, DEVICE_READY_FSM, DeviceReadyFct, msmf::none>,
msmf::Row<DEVICE_READY_FSM, INIT_TASK_E, INITIALIZING_TASK_FSM, InitTaskFct, msmf::none>,
msmf::Row<DEVICE_READY_FSM, RESET_DEVICE_E, RESETTING_DEVICE_FSM, ResetDeviceFct, msmf::none>,
msmf::Row<INITIALIZING_TASK_FSM, internal_READY_E, READY_FSM, ReadyFct, msmf::none>,
msmf::Row<READY_FSM, RUN_E, RUNNING_FSM, RunFct, msmf::none>,
msmf::Row<READY_FSM, RESET_TASK_E, RESETTING_TASK_FSM, ResetTaskFct, msmf::none>,
msmf::Row<RUNNING_FSM, PAUSE_E, PAUSED_FSM, PauseFct, msmf::none>,
msmf::Row<RUNNING_FSM, STOP_E, READY_FSM, StopFct, msmf::none>,
msmf::Row<RUNNING_FSM, internal_READY_E, READY_FSM, InternalStopFct, msmf::none>,
msmf::Row<PAUSED_FSM, RUN_E, RUNNING_FSM, ResumeFct, msmf::none>,
msmf::Row<RESETTING_TASK_FSM, internal_DEVICE_READY_E, DEVICE_READY_FSM, DeviceReadyFct, msmf::none>,
msmf::Row<RESETTING_DEVICE_FSM, internal_IDLE_E, IDLE_FSM, IdleFct, msmf::none>,
msmf::Row<OK_FSM, ERROR_FOUND_E, ERROR_FSM, ErrorFoundFct, msmf::none>>
// Start Event Next Action Guard
Row<IDLE_FSM_STATE, INIT_DEVICE_FSM_EVENT, INITIALIZING_DEVICE_FSM_STATE, InitDeviceFct, none>,
Row<IDLE_FSM_STATE, END_FSM_EVENT, EXITING_FSM_STATE, ExitingFct, none>,
Row<INITIALIZING_DEVICE_FSM_STATE, internal_DEVICE_READY_FSM_EVENT, DEVICE_READY_FSM_STATE, AutomaticFct, none>,
Row<DEVICE_READY_FSM_STATE, INIT_TASK_FSM_EVENT, INITIALIZING_TASK_FSM_STATE, InitTaskFct, none>,
Row<DEVICE_READY_FSM_STATE, RESET_DEVICE_FSM_EVENT, RESETTING_DEVICE_FSM_STATE, ResetDeviceFct, none>,
Row<INITIALIZING_TASK_FSM_STATE, internal_READY_FSM_EVENT, READY_FSM_STATE, AutomaticFct, none>,
Row<READY_FSM_STATE, RUN_FSM_EVENT, RUNNING_FSM_STATE, RunFct, none>,
Row<READY_FSM_STATE, RESET_TASK_FSM_EVENT, RESETTING_TASK_FSM_STATE, ResetTaskFct, none>,
Row<RUNNING_FSM_STATE, PAUSE_FSM_EVENT, PAUSED_FSM_STATE, PauseFct, none>,
Row<RUNNING_FSM_STATE, STOP_FSM_EVENT, READY_FSM_STATE, StopFct, none>,
Row<RUNNING_FSM_STATE, internal_READY_FSM_EVENT, READY_FSM_STATE, InternalStopFct, none>,
Row<PAUSED_FSM_STATE, RUN_FSM_EVENT, RUNNING_FSM_STATE, RunFct, none>,
Row<RESETTING_TASK_FSM_STATE, internal_DEVICE_READY_FSM_EVENT, DEVICE_READY_FSM_STATE, AutomaticFct, none>,
Row<RESETTING_DEVICE_FSM_STATE, internal_IDLE_FSM_EVENT, IDLE_FSM_STATE, AutomaticFct, none>,
Row<OK_FSM_STATE, ERROR_FOUND_FSM_EVENT, ERROR_FSM_STATE, ErrorFoundFct, none>>
{};
// replaces the default no-transition response.
@@ -391,45 +408,12 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
if (pos != string::npos)
{
stateName = stateName.substr(pos + 1);
stateName = stateName.substr(0, stateName.size() - 4);
stateName = stateName.substr(0, stateName.size() - 10);
}
if (stateName != "OK")
{
LOG(state) << "No transition from state " << stateName << " on event " << e.name();
}
}
static string GetStateName(const int state)
{
switch(state)
{
case FairMQStateMachine::OK:
return "OK";
case FairMQStateMachine::Error:
return "Error";
case FairMQStateMachine::IDLE:
return "IDLE";
case FairMQStateMachine::INITIALIZING_DEVICE:
return "INITIALIZING_DEVICE";
case FairMQStateMachine::DEVICE_READY:
return "DEVICE_READY";
case FairMQStateMachine::INITIALIZING_TASK:
return "INITIALIZING_TASK";
case FairMQStateMachine::READY:
return "READY";
case FairMQStateMachine::RUNNING:
return "RUNNING";
case FairMQStateMachine::PAUSED:
return "PAUSED";
case FairMQStateMachine::RESETTING_TASK:
return "RESETTING_TASK";
case FairMQStateMachine::RESETTING_DEVICE:
return "RESETTING_DEVICE";
case FairMQStateMachine::EXITING:
return "EXITING";
default:
return "requested name for non-existent state...";
LOG(state) << "No transition from state " << stateName << " on event " << e.Name();
}
}
@@ -461,12 +445,10 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
boost::signals2::signal<void(const FairMQStateMachine::State)> fStateChangeSignal;
unordered_map<string, boost::signals2::connection> fStateChangeSignalsMap;
atomic<bool> fTerminationRequested;
atomic<FairMQStateMachine::State> fState;
private:
void Worker()
void ProcessWork()
{
while (true)
{
@@ -475,7 +457,7 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
// Wait for work to be done.
while (!fWorkAvailable && !fWorkerTerminated)
{
fWorkAvailableCondition.wait(lock);
fWorkAvailableCondition.wait_for(lock, chrono::milliseconds(300));
}
if (fWorkerTerminated)
@@ -497,20 +479,10 @@ struct Machine_ : public msmf::state_machine_def<Machine_>
CallStateChangeCallbacks(fState);
}
}
// run state handlers in a separate thread
thread fWorkerThread;
}; // Machine_
using FairMQFSM = boost::msm::back::state_machine<Machine_>;
// reactivate the warning for non-virtual destructor
#if defined(__clang__)
_Pragma("clang diagnostic pop")
#elif defined(__GNUC__) || defined(__GNUG__)
_Pragma("GCC diagnostic pop")
#endif
} // namespace fsm
} // namespace mq
} // namespace fair
@@ -552,79 +524,79 @@ bool FairMQStateMachine::ChangeState(int event)
case INIT_DEVICE:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(INIT_DEVICE_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(INIT_DEVICE_FSM_EVENT());
return true;
}
case internal_DEVICE_READY:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(internal_DEVICE_READY_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(internal_DEVICE_READY_FSM_EVENT());
return true;
}
case INIT_TASK:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(INIT_TASK_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(INIT_TASK_FSM_EVENT());
return true;
}
case internal_READY:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(internal_READY_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(internal_READY_FSM_EVENT());
return true;
}
case RUN:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(RUN_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(RUN_FSM_EVENT());
return true;
}
case PAUSE:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(PAUSE_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(PAUSE_FSM_EVENT());
return true;
}
case STOP:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(STOP_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(STOP_FSM_EVENT());
return true;
}
case RESET_DEVICE:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(RESET_DEVICE_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(RESET_DEVICE_FSM_EVENT());
return true;
}
case RESET_TASK:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(RESET_TASK_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(RESET_TASK_FSM_EVENT());
return true;
}
case internal_IDLE:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(internal_IDLE_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(internal_IDLE_FSM_EVENT());
return true;
}
case END:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(END_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(END_FSM_EVENT());
return true;
}
case ERROR_FOUND:
{
lock_guard<mutex> lock(fChangeStateMutex);
static_pointer_cast<FairMQFSM>(fFsm)->process_event(ERROR_FOUND_E());
static_pointer_cast<FairMQFSM>(fFsm)->process_event(ERROR_FOUND_FSM_EVENT());
return true;
}
default:
{
LOG(error) << "Requested state transition with an unsupported event: " << event << endl
<< "Supported are: INIT_DEVICE, INIT_TASK, RUN, PAUSE, STOP, RESET_TASK, RESET_DEVICE, END, ERROR_FOUND";
<< "Supported are: INIT_DEVICE, INIT_TASK, RUN, PAUSE, STOP, RESET_TASK, RESET_DEVICE, END, ERROR_FOUND";
return false;
}
}
@@ -738,7 +710,11 @@ void FairMQStateMachine::CallStateChangeCallbacks(const State state) const
string FairMQStateMachine::GetCurrentStateName() const
{
return static_pointer_cast<FairMQFSM>(fFsm)->GetStateName(static_pointer_cast<FairMQFSM>(fFsm)->fState);
return GetStateName(static_pointer_cast<FairMQFSM>(fFsm)->fState);
}
string FairMQStateMachine::GetStateName(const State state)
{
return stateNames.at(state);
}
int FairMQStateMachine::GetCurrentState() const
{
@@ -753,23 +729,12 @@ bool FairMQStateMachine::CheckCurrentState(string state) const
return state == GetCurrentStateName();
}
bool FairMQStateMachine::Terminated()
void FairMQStateMachine::ProcessWork()
{
return static_pointer_cast<FairMQFSM>(fFsm)->fTerminationRequested;
static_pointer_cast<FairMQFSM>(fFsm)->ProcessWork();
}
int FairMQStateMachine::GetEventNumber(const string& event)
{
if (event == "INIT_DEVICE") return INIT_DEVICE;
if (event == "INIT_TASK") return INIT_TASK;
if (event == "RUN") return RUN;
if (event == "PAUSE") return PAUSE;
if (event == "STOP") return STOP;
if (event == "RESET_DEVICE") return RESET_DEVICE;
if (event == "RESET_TASK") return RESET_TASK;
if (event == "END") return END;
if (event == "ERROR_FOUND") return ERROR_FOUND;
LOG(error) << "Requested number for non-existent event... " << event << endl
<< "Supported are: INIT_DEVICE, INIT_TASK, RUN, PAUSE, STOP, RESET_DEVICE, RESET_TASK, END, ERROR_FOUND";
return -1;
return eventNumbers.at(event);
}

6
fairmq/FairMQStateMachine.h
View File

@@ -79,10 +79,10 @@ class FairMQStateMachine
void CallStateChangeCallbacks(const State state) const;
std::string GetCurrentStateName() const;
static std::string GetStateName(const State);
int GetCurrentState() const;
bool CheckCurrentState(int state) const;
bool CheckCurrentState(std::string state) const;
bool Terminated();
// actions to be overwritten by derived classes
virtual void InitWrapper() {}
@@ -94,8 +94,10 @@ class FairMQStateMachine
virtual void Exit() {}
virtual void Unblock() {}
void ProcessWork();
private:
int GetEventNumber(const std::string& event);
static int GetEventNumber(const std::string& event);
std::mutex fChangeStateMutex;

5
fairmq/PluginManager.h
View File

@@ -51,6 +51,11 @@ class PluginManager
PluginManager();
~PluginManager()
{
LOG(debug) << "Shutting down Plugin Manager";
}
auto SetSearchPaths(const std::vector<boost::filesystem::path>&) -> void;
auto AppendSearchPath(const boost::filesystem::path&) -> void;
auto PrependSearchPath(const boost::filesystem::path&) -> void;

5
fairmq/PluginServices.h
View File

@@ -47,6 +47,11 @@ class PluginServices
{
}
~PluginServices()
{
LOG(debug) << "Shutting down Plugin Services";
}
PluginServices(const PluginServices&) = delete;
PluginServices operator=(const PluginServices&) = delete;