mirror of
https://github.com/FairRootGroup/FairMQ.git
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353 lines
9.0 KiB
C++
353 lines
9.0 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence version 3 (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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/**
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* FairMQSocketNN.cxx
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*
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* @since 2012-12-05
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* @author A. Rybalchenko
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*/
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#include <sstream>
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#include "FairMQSocketNN.h"
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#include "FairMQMessageNN.h"
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#include "FairMQLogger.h"
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using namespace std;
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FairMQSocketNN::FairMQSocketNN(const string& type, const std::string& name, int numIoThreads)
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: FairMQSocket(0, 0, NN_DONTWAIT)
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, fSocket(-1)
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, fId()
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, fBytesTx(0)
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, fBytesRx(0)
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, fMessagesTx(0)
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, fMessagesRx(0)
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{
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fId = name + "." + type;
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if (numIoThreads > 1)
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{
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LOG(INFO) << "number of I/O threads is not used in nanomsg";
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}
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if (type == "router" || type == "dealer")
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{
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// Additional info about using the sockets ROUTER and DEALER with nanomsg can be found in:
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// http://250bpm.com/blog:14
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// http://www.freelists.org/post/nanomsg/a-stupid-load-balancing-question,1
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fSocket = nn_socket(AF_SP_RAW, GetConstant(type));
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if (fSocket == -1)
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{
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LOG(ERROR) << "failed creating socket " << fId << ", reason: " << nn_strerror(errno);
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exit(EXIT_FAILURE);
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}
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}
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else
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{
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fSocket = nn_socket(AF_SP, GetConstant(type));
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if (fSocket == -1)
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{
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LOG(ERROR) << "failed creating socket " << fId << ", reason: " << nn_strerror(errno);
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exit(EXIT_FAILURE);
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}
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if (type == "sub")
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{
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nn_setsockopt(fSocket, NN_SUB, NN_SUB_SUBSCRIBE, NULL, 0);
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}
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}
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LOG(INFO) << "created socket " << fId;
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}
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string FairMQSocketNN::GetId()
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{
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return fId;
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}
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bool FairMQSocketNN::Bind(const string& address)
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{
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LOG(INFO) << "bind socket " << fId << " on " << address;
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int eid = nn_bind(fSocket, address.c_str());
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if (eid < 0)
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{
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LOG(ERROR) << "failed binding socket " << fId << ", reason: " << nn_strerror(errno);
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return false;
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}
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return true;
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}
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void FairMQSocketNN::Connect(const string& address)
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{
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LOG(INFO) << "connect socket " << fId << " to " << address;
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int eid = nn_connect(fSocket, address.c_str());
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if (eid < 0)
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{
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LOG(ERROR) << "failed connecting socket " << fId << ", reason: " << nn_strerror(errno);
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}
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}
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int FairMQSocketNN::Send(FairMQMessage* msg, const string& flag)
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{
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void* ptr = msg->GetMessage();
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int nbytes = nn_send(fSocket, &ptr, NN_MSG, GetConstant(flag));
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if (nbytes >= 0)
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{
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fBytesTx += nbytes;
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++fMessagesTx;
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static_cast<FairMQMessageNN*>(msg)->fReceiving = false;
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return nbytes;
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}
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if (nn_errno() == EAGAIN)
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{
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return -2;
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}
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if (nn_errno() == ETERM)
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{
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LOG(INFO) << "terminating socket " << fId;
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return -1;
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}
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LOG(ERROR) << "Failed sending on socket " << fId << ", reason: " << nn_strerror(errno);
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return nbytes;
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}
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int FairMQSocketNN::Send(FairMQMessage* msg, const int flags)
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{
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void* ptr = msg->GetMessage();
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int nbytes = nn_send(fSocket, &ptr, NN_MSG, flags);
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if (nbytes >= 0)
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{
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fBytesTx += nbytes;
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++fMessagesTx;
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static_cast<FairMQMessageNN*>(msg)->fReceiving = false;
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return nbytes;
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}
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if (nn_errno() == EAGAIN)
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{
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return -2;
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}
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if (nn_errno() == ETERM)
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{
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LOG(INFO) << "terminating socket " << fId;
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return -1;
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}
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LOG(ERROR) << "Failed sending on socket " << fId << ", reason: " << nn_strerror(errno);
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return nbytes;
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}
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int FairMQSocketNN::Receive(FairMQMessage* msg, const string& flag)
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{
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void* ptr = NULL;
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int nbytes = nn_recv(fSocket, &ptr, NN_MSG, GetConstant(flag));
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if (nbytes >= 0)
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{
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fBytesRx += nbytes;
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++fMessagesRx;
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msg->Rebuild();
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msg->SetMessage(ptr, nbytes);
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static_cast<FairMQMessageNN*>(msg)->fReceiving = true;
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return nbytes;
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}
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if (nn_errno() == EAGAIN)
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{
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return -2;
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}
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if (nn_errno() == ETERM)
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{
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LOG(INFO) << "terminating socket " << fId;
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return -1;
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}
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LOG(ERROR) << "Failed receiving on socket " << fId << ", reason: " << nn_strerror(errno);
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return nbytes;
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}
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int FairMQSocketNN::Receive(FairMQMessage* msg, const int flags)
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{
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void* ptr = NULL;
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int nbytes = nn_recv(fSocket, &ptr, NN_MSG, flags);
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if (nbytes >= 0)
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{
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fBytesRx += nbytes;
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++fMessagesRx;
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msg->SetMessage(ptr, nbytes);
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static_cast<FairMQMessageNN*>(msg)->fReceiving = true;
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return nbytes;
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}
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if (nn_errno() == EAGAIN)
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{
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return -2;
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}
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if (nn_errno() == ETERM)
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{
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LOG(INFO) << "terminating socket " << fId;
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return -1;
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}
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LOG(ERROR) << "Failed receiving on socket " << fId << ", reason: " << nn_strerror(errno);
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return nbytes;
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}
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void FairMQSocketNN::Close()
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{
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nn_close(fSocket);
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}
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void FairMQSocketNN::Terminate()
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{
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nn_term();
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}
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void* FairMQSocketNN::GetSocket() const
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{
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return NULL; // dummy method to comply with the interface. functionality not possible in zeromq.
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}
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int FairMQSocketNN::GetSocket(int nothing) const
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{
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return fSocket;
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}
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void FairMQSocketNN::SetOption(const string& option, const void* value, size_t valueSize)
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{
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int rc = nn_setsockopt(fSocket, NN_SOL_SOCKET, GetConstant(option), value, valueSize);
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if (rc < 0)
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{
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LOG(ERROR) << "failed setting socket option, reason: " << nn_strerror(errno);
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}
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}
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void FairMQSocketNN::GetOption(const string& option, void* value, size_t* valueSize)
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{
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int rc = nn_getsockopt(fSocket, NN_SOL_SOCKET, GetConstant(option), value, valueSize);
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if (rc < 0) {
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LOG(ERROR) << "failed getting socket option, reason: " << nn_strerror(errno);
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}
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}
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unsigned long FairMQSocketNN::GetBytesTx() const
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{
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return fBytesTx;
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}
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unsigned long FairMQSocketNN::GetBytesRx() const
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{
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return fBytesRx;
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}
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unsigned long FairMQSocketNN::GetMessagesTx() const
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{
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return fMessagesTx;
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}
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unsigned long FairMQSocketNN::GetMessagesRx() const
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{
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return fMessagesRx;
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}
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bool FairMQSocketNN::SetSendTimeout(const int timeout, const string& address, const string& method)
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{
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if (nn_setsockopt(fSocket, NN_SOL_SOCKET, NN_SNDTIMEO, &timeout, sizeof(int)) != 0)
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{
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LOG(ERROR) << "Failed setting option 'send timeout' on socket " << fId << ", reason: " << nn_strerror(errno);
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return false;
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}
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return true;
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}
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int FairMQSocketNN::GetSendTimeout() const
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{
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int timeout = -1;
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size_t size = sizeof(timeout);
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if (nn_getsockopt(fSocket, NN_SOL_SOCKET, NN_SNDTIMEO, &timeout, &size) != 0)
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{
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LOG(ERROR) << "Failed getting option 'send timeout' on socket " << fId << ", reason: " << nn_strerror(errno);
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}
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return timeout;
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}
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bool FairMQSocketNN::SetReceiveTimeout(const int timeout, const string& address, const string& method)
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{
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if (nn_setsockopt(fSocket, NN_SOL_SOCKET, NN_RCVTIMEO, &timeout, sizeof(int)) != 0)
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{
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LOG(ERROR) << "Failed setting option 'receive timeout' on socket " << fId << ", reason: " << nn_strerror(errno);
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return false;
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}
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return true;
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}
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int FairMQSocketNN::GetReceiveTimeout() const
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{
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int timeout = -1;
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size_t size = sizeof(timeout);
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if (nn_getsockopt(fSocket, NN_SOL_SOCKET, NN_RCVTIMEO, &timeout, &size) != 0)
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{
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LOG(ERROR) << "Failed getting option 'receive timeout' on socket " << fId << ", reason: " << nn_strerror(errno);
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}
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return timeout;
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}
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int FairMQSocketNN::GetConstant(const string& constant)
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{
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if (constant == "")
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return 0;
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if (constant == "sub")
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return NN_SUB;
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if (constant == "pub")
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return NN_PUB;
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if (constant == "xsub")
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return NN_SUB;
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if (constant == "xpub")
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return NN_PUB;
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if (constant == "push")
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return NN_PUSH;
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if (constant == "pull")
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return NN_PULL;
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if (constant == "req")
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return NN_REQ;
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if (constant == "rep")
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return NN_REP;
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if (constant == "dealer")
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return NN_REQ;
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if (constant == "router")
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return NN_REP;
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if (constant == "pair")
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return NN_PAIR;
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if (constant == "snd-hwm")
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return NN_SNDBUF;
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if (constant == "rcv-hwm")
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return NN_RCVBUF;
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if (constant == "snd-more") {
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LOG(ERROR) << "Multipart messages functionality currently not supported by nanomsg!";
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return -1;
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}
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if (constant == "rcv-more") {
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LOG(ERROR) << "Multipart messages functionality currently not supported by nanomsg!";
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return -1;
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}
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if (constant == "linger")
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return NN_LINGER;
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if (constant == "no-block")
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return NN_DONTWAIT;
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return -1;
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}
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FairMQSocketNN::~FairMQSocketNN()
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{
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Close();
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}
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