chiark / gitweb /
Shun time(), since on Linux it is not monotonic with gettimeofday().
[disorder] / lib / client-common.c
CommitLineData
460b9539 1/*
2 * This file is part of DisOrder
0227f67d 3 * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
e7eb3a27
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9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
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18/** @file lib/client-common.c
19 * @brief Common code to client APIs
20 */
460b9539 21
05b75f8d 22#include "common.h"
460b9539 23
460b9539 24#include <netinet/in.h>
25#include <sys/un.h>
460b9539 26#include <errno.h>
27#include <netdb.h>
28
29#include "log.h"
30#include "configuration.h"
31#include "client-common.h"
32#include "addr.h"
0227f67d 33#include "mem.h"
460b9539 34
0227f67d 35/** @brief Figure out what address to connect to
319d7107 36 * @param c Configuration to honor
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37 * @param sap Where to store pointer to sockaddr
38 * @param namep Where to store socket name
39 * @return Socket length, or (socklen_t)-1
0e4472a0 40 */
319d7107
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41socklen_t find_server(struct config *c,
42 struct sockaddr **sap, char **namep) {
0227f67d 43 struct sockaddr *sa;
460b9539 44 struct sockaddr_un su;
0227f67d 45 struct addrinfo *res = 0;
460b9539 46 char *name;
0227f67d 47 socklen_t len;
460b9539 48
e41a9999
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49 if(c->connect.af != -1) {
50 res = netaddress_resolve(&c->connect, 0, IPPROTO_TCP);
51 if(!res)
52 return -1;
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53 sa = res->ai_addr;
54 len = res->ai_addrlen;
460b9539 55 } else {
319d7107 56 name = config_get_file2(c, "socket");
0227f67d 57 if(strlen(name) >= sizeof su.sun_path) {
460b9539 58 error(errno, "socket path is too long");
59 return -1;
60 }
61 memset(&su, 0, sizeof su);
62 su.sun_family = AF_UNIX;
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63 strcpy(su.sun_path, name);
64 sa = (struct sockaddr *)&su;
65 len = sizeof su;
460b9539 66 }
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67 *sap = xmalloc_noptr(len);
68 memcpy(*sap, sa, len);
69 if(namep)
e41a9999 70 *namep = format_sockaddr(sa);
0227f67d
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71 if(res)
72 freeaddrinfo(res);
73 return len;
460b9539 74}
75
76/*
77Local Variables:
78c-basic-offset:2
79comment-column:40
80fill-column:79
81indent-tabs-mode:nil
82End:
83*/