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75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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Copyright (c) 2007-2009 FastMQ Inc.
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <time.h>
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#include <string.h>
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#include <iostream>
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using namespace std;
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#include <zmq.hpp>
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int main (int argc, const char *argv [])
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{
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// Check the command line syntax
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if (argc != 3) {
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cerr << "usage: chatroom <in-interface> <out-interface>" << endl;
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return 1;
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}
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// Retrieve command line arguments
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const char *in_interface = argv [1];
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const char *out_interface = argv [2];
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// Initialise 0MQ infrastructure
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zmq::context_t ctx (1, 1);
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// Create two sockets. One for receiving messages from 'propmt'
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// applications, one for sending messages to 'display' applications
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zmq::socket_t in_socket (ctx, ZMQ_SUB);
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in_socket.bind (in_interface);
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zmq::socket_t out_socket (ctx, ZMQ_PUB);
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out_socket.bind (out_interface);
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while (true) {
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// Get a message
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zmq::message_t in_message;
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in_socket.recv (&in_message);
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// Get the current time. Replace the newline character at the end
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// by space character.
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char timebuf [256];
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time_t current_time;
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time (¤t_time);
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snprintf (timebuf, 256, "%s", ctime (¤t_time));
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timebuf [strlen (timebuf) - 1] = ' ';
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// Create and fill in the message
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zmq::message_t out_message (strlen (timebuf) + in_message.size ());
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char *data = (char*) out_message.data ();
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memcpy (data, timebuf, strlen (timebuf));
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data += strlen (timebuf);
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memcpy (data, in_message.data (), in_message.size ());
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// Send the message
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out_socket.send (out_message);
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}
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}
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