d2f4643372200465b0a576184b9fefe00761f01c
[paraslash.git] / client.c
1 /*
2 * Copyright (C) 1997-2006 Andre Noll <maan@systemlinux.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
17 */
18
19 /** \file client.c the client program used to connect to para_server */
20
21 #include "para.h"
22 #include "list.h"
23 #include "sched.h"
24 #include "client.cmdline.h"
25 #include "string.h"
26 #include "stdin.h"
27 #include "stdout.h"
28 #include "client.h"
29 #include "error.h"
30
31 INIT_CLIENT_ERRLISTS;
32
33 static struct private_client_data *pcd;
34 static struct stdin_task sit;
35 static struct stdout_task sot;
36
37 /*
38 * client log function
39 */
40 void para_log(int ll, const char* fmt,...)
41 {
42 va_list argp;
43
44 /* ignore log message if loglevel is not high enough */
45 if (pcd && ll < pcd->conf.loglevel_arg)
46 return;
47 va_start(argp, fmt);
48 vfprintf(stderr, fmt, argp);
49 va_end(argp);
50 }
51
52 static void client_event_handler(struct task *t)
53 {
54 struct private_client_data *p = t->private_data;
55
56 PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-t->ret));
57 if (t->ret != -E_HANDSHAKE_COMPLETE) {
58 unregister_task(t);
59 p->eof = 1;
60 return;
61 }
62 if (p->status == CL_SENDING_STDIN) {
63 stdin_set_defaults(&sit);
64 sit.buf = para_malloc(sit.bufsize),
65 register_task(&sit.task);
66 p->inbuf = sit.buf;
67 p->in_loaded = &sit.loaded;
68 p->in_eof = &sit.eof;
69 return;
70 }
71 stdout_set_defaults(&sot);
72 sot.buf = p->buf;
73 sot.loaded = &p->loaded;
74 sot.input_eof = &p->eof;
75 register_task(&sot.task);
76 }
77
78 /*
79 * MAIN
80 */
81 int main(int argc, char *argv[])
82 {
83
84 int ret;
85 struct sched s;
86
87 s.default_timeout.tv_sec = 1;
88 s.default_timeout.tv_usec = 0;
89 ret = client_parse_config(argc, argv, &pcd);
90 if (ret < 0)
91 goto out;
92 pcd->task.event_handler = client_event_handler;
93 ret = client_open(pcd);
94 if (ret < 0)
95 goto out;
96 ret = sched(&s);
97 client_close(pcd);
98 out:
99 if (ret < 0)
100 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
101 return ret >= 0? EXIT_SUCCESS: EXIT_FAILURE;
102 }