Eclipse SUMO - Simulation of Urban MObility
OutputDevice_Network.cpp
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1 /****************************************************************************/
2 // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
3 // Copyright (C) 2006-2019 German Aerospace Center (DLR) and others.
4 // This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v2.0
6 // which accompanies this distribution, and is available at
7 // http://www.eclipse.org/legal/epl-v20.html
8 // SPDX-License-Identifier: EPL-2.0
9 /****************************************************************************/
16 // An output device for TCP/IP Network connections
17 /****************************************************************************/
18 
19 
20 // ==========================================================================
21 // included modules
22 // ==========================================================================
23 #include <config.h>
24 
25 #include <thread>
26 #include <chrono>
27 #include <vector>
28 #include "OutputDevice_Network.h"
29 #include "foreign/tcpip/socket.h"
30 #include "utils/common/ToString.h"
31 
32 
33 // ==========================================================================
34 // method definitions
35 // ==========================================================================
37  const int port) {
38  mySocket = new tcpip::Socket(host, port);
39 #ifdef _MSC_VER
40 #pragma warning(push)
41 #pragma warning(disable: 4127) // do not warn about constant conditional expression
42 #endif
43  for (int wait = 1000; true; wait += 1000) {
44 #ifdef _MSC_VER
45 #pragma warning(pop)
46 #endif
47  try {
48  mySocket->connect();
49  break;
50  } catch (tcpip::SocketException& e) {
51  if (wait == 9000) {
52  throw IOError(toString(e.what()) + " (host: " + host + ", port: " + toString(port) + ")");
53  }
54  std::this_thread::sleep_for(std::chrono::milliseconds(wait));
55  }
56  }
57  myFilename = host + ":" + toString(port);
58 }
59 
60 
62  mySocket->close();
63  delete mySocket;
64 }
65 
66 
67 std::ostream&
69  return myMessage;
70 }
71 
72 
73 void
75  std::string toSend = myMessage.str();
76  std::vector<unsigned char> msg;
77  msg.insert(msg.end(), toSend.begin(), toSend.end());
78  try {
79  mySocket->send(msg);
80  } catch (tcpip::SocketException& e) {
81  throw IOError(toString(e.what()));
82  }
83  myMessage.str("");
84 }
85 
86 
87 /****************************************************************************/
ToString.h
tcpip::Socket
Definition: socket.h:60
tcpip::Socket::close
void close()
Definition: socket.cpp:388
tcpip::Socket::connect
void connect()
Connects to host_:port_.
Definition: socket.cpp:364
OutputDevice_Network::~OutputDevice_Network
~OutputDevice_Network()
Destructor.
Definition: OutputDevice_Network.cpp:61
OutputDevice::myFilename
std::string myFilename
Definition: OutputDevice.h:359
OutputDevice_Network::mySocket
tcpip::Socket * mySocket
the socket to transfer the data
Definition: OutputDevice_Network.h:93
tcpip::Socket::send
void send(const std::vector< unsigned char > &buffer)
Definition: socket.cpp:406
OutputDevice_Network::myMessage
std::ostringstream myMessage
packet buffer
Definition: OutputDevice_Network.h:90
tcpip::SocketException
Definition: socket.h:54
toString
std::string toString(const T &t, std::streamsize accuracy=gPrecision)
Definition: ToString.h:47
OutputDevice_Network::OutputDevice_Network
OutputDevice_Network(const std::string &host, const int port)
Constructor.
Definition: OutputDevice_Network.cpp:36
IOError
Definition: UtilExceptions.h:161
socket.h
OutputDevice_Network.h
config.h
OutputDevice_Network::postWriteHook
virtual void postWriteHook()
Sends the data which was written to the string stream over the socket.
Definition: OutputDevice_Network.cpp:74
OutputDevice_Network::getOStream
std::ostream & getOStream()
Returns the associated ostream.
Definition: OutputDevice_Network.cpp:68