Rename /example to /examples and move MQ examples in it

2025-10-15 17:41:45 +00:00 · 2015-11-09 10:36:24 +01:00
parent 951ed1b739
commit 9625268c50
73 changed files with 4652 additions and 0 deletions
--- a/examples/MQ/3-dds/runExample3Sink.cxx
+++ b/examples/MQ/3-dds/runExample3Sink.cxx
@@ -0,0 +1,134 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             * 
+ *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *  
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+/**
+ * runExample2Sink.cxx
+ *
+ * @since 2013-04-23
+ * @author D. Klein, A. Rybalchenko
+ */
+
+#include <iostream>
+#include <mutex>
+#include <condition_variable>
+#include <map>
+
+#include "boost/program_options.hpp"
+#include <boost/asio.hpp> // for DDS
+
+#include "FairMQLogger.h"
+#include "FairMQParser.h"
+#include "FairMQProgOptions.h"
+#include "FairMQExample3Sink.h"
+#include "FairMQTools.h"
+
+#ifdef NANOMSG
+#include "FairMQTransportFactoryNN.h"
+#else
+#include "FairMQTransportFactoryZMQ.h"
+#endif
+
+#include "KeyValue.h" // DDS
+
+using namespace boost::program_options;
+
+int main(int argc, char** argv)
+{
+    FairMQExample3Sink sink;
+    sink.CatchSignals();
+
+    FairMQProgOptions config;
+
+    try
+    {
+        std::string interfaceName; // name of the network interface to use for communication.
+
+        options_description sinkOptions("Sink options");
+        sinkOptions.add_options()
+            ("network-interface", value<std::string>(&interfaceName)->default_value("eth0"), "Name of the network interface to use (e.g. eth0, ib0, wlan0, en0...)");
+
+        config.AddToCmdLineOptions(sinkOptions);
+
+        if (config.ParseAll(argc, argv))
+        {
+            return 0;
+        }
+
+        std::string filename = config.GetValue<std::string>("config-json-file");
+        std::string id = config.GetValue<std::string>("id");
+
+        config.UserParser<FairMQParser::JSON>(filename, id);
+
+        sink.fChannels = config.GetFairMQMap();
+
+        LOG(INFO) << "PID: " << getpid();
+
+#ifdef NANOMSG
+        FairMQTransportFactory* transportFactory = new FairMQTransportFactoryNN();
+#else
+        FairMQTransportFactory* transportFactory = new FairMQTransportFactoryZMQ();
+#endif
+
+        sink.SetTransport(transportFactory);
+
+        sink.SetProperty(FairMQExample3Sink::Id, id);
+
+        // Get the IP of the current host and store it for binding.
+        map<string,string> IPs;
+        FairMQ::tools::getHostIPs(IPs);
+        stringstream ss;
+        // Check if ib0 (infiniband) interface is available, otherwise try eth0 or wlan0.
+        if (IPs.count(interfaceName))
+        {
+            ss << "tcp://" << IPs[interfaceName] << ":1";
+        }
+        else
+        {
+            LOG(INFO) << ss.str();
+            LOG(ERROR) << "Could not find provided network interface: \"" << interfaceName << "\"!, exiting.";
+            exit(EXIT_FAILURE);
+        }
+        string initialInputAddress = ss.str();
+
+        // Configure the found host IP for the channel.
+        // TCP port will be chosen randomly during the initialization (binding).
+        sink.fChannels.at("data-in").at(0).UpdateAddress(initialInputAddress);
+
+        sink.ChangeState("INIT_DEVICE");
+        sink.WaitForInitialValidation();
+
+        // Advertise the bound address via DDS property
+        LOG(INFO) << "Giving sink input address to DDS.";
+        dds::key_value::CKeyValue ddsKeyValue;
+        ddsKeyValue.putValue("SinkInputAddress", sink.fChannels.at("data-in").at(0).GetAddress());
+
+        sink.WaitForEndOfState("INIT_DEVICE");
+
+        sink.ChangeState("INIT_TASK");
+        sink.WaitForEndOfState("INIT_TASK");
+
+        sink.ChangeState("RUN");
+        sink.WaitForEndOfState("RUN");
+
+        sink.ChangeState("RESET_TASK");
+        sink.WaitForEndOfState("RESET_TASK");
+
+        sink.ChangeState("RESET_DEVICE");
+        sink.WaitForEndOfState("RESET_DEVICE");
+
+        sink.ChangeState("END");
+    }
+    catch (std::exception& e)
+    {
+        LOG(ERROR) << e.what();
+        LOG(INFO) << "Command line options are the following: ";
+        config.PrintHelp();
+        return 1;
+    }
+
+    return 0;
+}