2 * Copyright (C) 1997-2009 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file client.c the client program used to connect to para_server */
10 #include <openssl/rc4.h>
17 #include "client.cmdline.h"
26 static struct client_task
*ct
;
27 static struct stdin_task sit
;
28 static struct stdout_task sot
;
30 static void supervisor_post_select(__a_unused
struct sched
*s
, struct task
*t
)
32 if (ct
->task
.error
< 0) {
33 t
->error
= ct
->task
.error
;
36 if (ct
->status
== CL_SENDING
) {
37 stdin_set_defaults(&sit
);
38 sit
.buf
= para_malloc(sit
.bufsize
),
39 register_task(&sit
.task
);
41 ct
->in_loaded
= &sit
.loaded
;
42 ct
->in_error
= &sit
.task
.error
;
43 t
->error
= -E_TASK_STARTED
;
46 if (ct
->status
== CL_RECEIVING
) {
47 stdout_set_defaults(&sot
);
49 sot
.loaded
= &ct
->loaded
;
50 sot
.input_error
= &ct
->task
.error
;
51 register_task(&sot
.task
);
52 t
->error
= -E_TASK_STARTED
;
57 static struct task svt
= {
58 .post_select
= supervisor_post_select
,
59 .status
= "supervisor task"
62 static int client_loglevel
; /* loglevel */
63 INIT_STDERR_LOGGING(client_loglevel
);
67 * The client program to connect to para_server.
69 * \param argc Usual argument count.
70 * \param argv Usual argument vector.
72 * It registers two tasks: The client task that communicates with para_server
73 * and the supervisor task that minitors whether the client task intends to
74 * read from stdin or write to stdout.
76 * Once it has been determined whether the client command corresponds to a
77 * stdin command (addmood, addimg, ..), either the stdin task or the stdout
78 * task is set up to replace the supervisor task.
80 * \return EXIT_SUCCESS or EXIT_FAILURE
82 * \sa client_open(), stdin.c, stdout.c, para_client(1), para_server(1)
84 int main(int argc
, char *argv
[])
88 static struct sched s
;
90 init_random_seed_or_die();
91 s
.default_timeout
.tv_sec
= 1;
92 s
.default_timeout
.tv_usec
= 0;
93 ret
= client_open(argc
, argv
, &ct
, &client_loglevel
);
94 if (ret
< 0) /* can not use PARA_LOG here because ct is NULL */
99 PARA_ERROR_LOG("%s\n", para_strerror(-ret
));
101 return ret
>= 0? EXIT_SUCCESS
: EXIT_FAILURE
;