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