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/*
* Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file client.c the client program used to connect to para_server */
#include "para.h"
#include "list.h"
#include "sched.h"
#include "client.cmdline.h"
#include "string.h"
#include "stdin.h"
#include "stdout.h"
#include "client.h"
#include "error.h"
INIT_CLIENT_ERRLISTS;
static struct private_client_data *pcd;
static struct stdin_task sit;
static struct stdout_task sot;
INIT_STDERR_LOGGING(pcd->conf.loglevel_arg);
static void client_event_handler(struct task *t)
{
struct private_client_data *p = t->private_data;
PARA_NOTICE_LOG("%s\n", PARA_STRERROR(-t->ret));
if (t->ret != -E_HANDSHAKE_COMPLETE) {
unregister_task(t);
p->eof = 1;
return;
}
if (p->status == CL_SENDING) {
stdin_set_defaults(&sit);
sit.buf = para_malloc(sit.bufsize),
register_task(&sit.task);
p->inbuf = sit.buf;
p->in_loaded = &sit.loaded;
p->in_eof = &sit.eof;
return;
}
stdout_set_defaults(&sot);
sot.buf = p->buf;
sot.loaded = &p->loaded;
sot.input_eof = &p->eof;
register_task(&sot.task);
}
/**
* the client program to connect to para_server
*
* \param argc usual argument count
* \param argv usual argument vector
*
* It registers two tasks: The client task that communicates with para_server
* and the standard out task that writes any output produced by the client task
* to standard out.
*
* \return EXIT_SUCCESS or EXIT_FAILURE
*
* \sa client_open(), stdout.c, stdout.h, para_client(1), para_server(1)
*/
int main(int argc, char *argv[])
{
int ret;
struct sched s;
s.default_timeout.tv_sec = 1;
s.default_timeout.tv_usec = 0;
ret = client_open(argc, argv, &pcd);
if (ret < 0) /* can not use PARA_LOG here */
exit(EXIT_FAILURE);
pcd->task.event_handler = client_event_handler;
ret = sched(&s);
if (ret < 0)
PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
client_close(pcd);
return ret >= 0? EXIT_SUCCESS: EXIT_FAILURE;
}
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