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;