1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
Copyright (c) 2007-2010 iMatix Corporation
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 <zmq.hpp>
#include <stdio.h>
#include <string.h>
#include <assert.h>
int main (int argc, const char *argv [])
{
// Check the command line syntax.
if (argc != 3) {
fprintf (stderr, "usage: prompt <address> <username>\n");
return 1;
}
// Retrieve command line arguments
const char *address = argv [1];
const char *username = argv [2];
// Initialise 0MQ infrastructure.
zmq::context_t ctx (1, 1);
zmq::socket_t s (ctx, ZMQ_PUB);
s.connect (address);
// Prepare a message buffer. Place username at the beginning
// of the message.
char textbuf [1024];
#ifdef _MSC_VER
_snprintf_s (textbuf, sizeof (textbuf), sizeof (textbuf), "%s: ",
username);
#else
snprintf (textbuf, sizeof (textbuf), "%s: ", username);
#endif
size_t prefixsz = strlen (textbuf);
char *text = textbuf + prefixsz;
while (true) {
// Let user type the enter the message text.
char *rcc = fgets (text, sizeof (textbuf) - prefixsz, stdin);
assert (rcc);
// Create the message (terminating zero is part of the message).
zmq::message_t msg (strlen (textbuf) + 1);
memcpy (msg.data (), textbuf, msg.size ());
// Send the message
s.send (msg);
}
}
|
