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First version of the shared memory transport.

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Use via `--transport shmem` cmd option. No pub/sub.
This commit is contained in:
Alexey Rybalchenko
2016-06-03 11:24:12 +02:00
parent 6c3b01f09c
commit a332d9fc83
39 changed files with 2121 additions and 309 deletions
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67
fairmq/nanomsg/FairMQSocketNN.cxx
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@@ -110,26 +110,7 @@ void FairMQSocketNN::Connect(const string& address)
int FairMQSocketNN::Send(FairMQMessage* msg, const string& flag)
{
void* ptr = msg->GetMessage();
int nbytes = nn_send(fSocket, &ptr, NN_MSG, GetConstant(flag));
if (nbytes >= 0)
{
fBytesTx += nbytes;
++fMessagesTx;
static_cast<FairMQMessageNN*>(msg)->fReceiving = false;
return nbytes;
}
if (nn_errno() == EAGAIN)
{
return -2;
}
if (nn_errno() == ETERM)
{
LOG(INFO) << "terminating socket " << fId;
return -1;
}
LOG(ERROR) << "Failed sending on socket " << fId << ", reason: " << nn_strerror(errno);
return nbytes;
return Send(msg, GetConstant(flag));
}
int FairMQSocketNN::Send(FairMQMessage* msg, const int flags)
@@ -198,28 +179,7 @@ int64_t FairMQSocketNN::Send(const vector<unique_ptr<FairMQMessage>>& msgVec, co
int FairMQSocketNN::Receive(FairMQMessage* msg, const string& flag)
{
void* ptr = NULL;
int nbytes = nn_recv(fSocket, &ptr, NN_MSG, GetConstant(flag));
if (nbytes >= 0)
{
fBytesRx += nbytes;
++fMessagesRx;
msg->Rebuild();
msg->SetMessage(ptr, nbytes);
static_cast<FairMQMessageNN*>(msg)->fReceiving = true;
return nbytes;
}
if (nn_errno() == EAGAIN)
{
return -2;
}
if (nn_errno() == ETERM)
{
LOG(INFO) << "terminating socket " << fId;
return -1;
}
LOG(ERROR) << "Failed receiving on socket " << fId << ", reason: " << nn_strerror(errno);
return nbytes;
return Receive(msg, GetConstant(flag));
}
int FairMQSocketNN::Receive(FairMQMessage* msg, const int flags)
@@ -318,6 +278,14 @@ void FairMQSocketNN::Terminate()
nn_term();
}
void FairMQSocketNN::Interrupt()
{
}
void FairMQSocketNN::Resume()
{
}
void* FairMQSocketNN::GetSocket() const
{
return NULL; // dummy method to comply with the interface. functionality not possible in zeromq.
@@ -330,6 +298,21 @@ int FairMQSocketNN::GetSocket(int /*nothing*/) const
void FairMQSocketNN::SetOption(const string& option, const void* value, size_t valueSize)
{
if (option == "snd-size" || option == "rcv-size")
{
int val = *(static_cast<int*>(const_cast<void*>(value)));
if (val <= 0)
{
LOG(WARN) << "nanomsg: value for sndKernelSize/rcvKernelSize should be greater than 0, using defaults (128kB).";
return;
}
}
if (option == "snd-hwm" || option == "rcv-hwm")
{
return;
}
int rc = nn_setsockopt(fSocket, NN_SOL_SOCKET, GetConstant(option), value, valueSize);
if (rc < 0)
{