filename | src/ioutil.c |
changeset | 1077:136fc24d17ef |
prev | src/netutil.c@1021:848db285a184 |
author | nkeynes |
date | Wed Oct 07 17:53:56 2009 +1000 (13 years ago) |
permissions | -rw-r--r-- |
last change | Create a host attachment for the SCIF serial port. By default, uses /dev/console Add general fd listening to netutil, and rename to ioutil Add SCIF update on port read/write - fixes KOS timing problems but needs to be redone properly. |
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1 /**
2 * $Id$
3 *
4 * Network support functions
5 *
6 * Copyright (c) 2009 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #include <string.h>
20 #include <unistd.h>
21 #include <sys/socket.h>
22 #include <netinet/in.h>
23 #include <arpa/inet.h>
24 #include <errno.h>
25 #include "ioutil.h"
27 int io_create_server_socket(const char *interface, int port )
28 {
29 struct sockaddr_in sin;
30 int fd = socket(AF_INET, SOCK_STREAM, 0);
31 if( fd == -1 ) {
32 ERROR( "Failed to create TCP socket!" );
33 return -1;
34 }
36 sin.sin_family = AF_INET;
37 sin.sin_addr.s_addr = 0;
38 sin.sin_port = htons(port);
40 if( interface != NULL ) {
41 if( !inet_aton(interface, &sin.sin_addr) ) {
42 /* TODO: hostname lookup */
43 }
44 }
46 if( bind( fd, (struct sockaddr *)&sin, sizeof(sin) ) != 0 ||
47 listen(fd, 5) != 0 ) {
48 close(fd);
49 ERROR( "Failed to bind port %d (%s)", port, strerror(errno) );
50 return -1;
51 }
52 return fd;
53 }
.