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/*
** ZABBIX
** Copyright (C) 2000-2006 SIA Zabbix
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
#include "common.h"
#include "cfg.h"
#include "db.h"
#include "log.h"
#include "zbxjson.h"
#include "comms.h"
#include "servercomms.h"
int connect_to_server(zbx_sock_t *sock, int timeout)
{
int res;
zabbix_log(LOG_LEVEL_DEBUG, "In connect_to_server() [%s]:%d [timeout:%d]",
CONFIG_SERVER,
CONFIG_SERVER_PORT,
timeout);
if (FAIL == (res = zbx_tcp_connect(sock, CONFIG_SERVER, CONFIG_SERVER_PORT, timeout)))
zabbix_log(LOG_LEVEL_ERR, "Unable connect to the server [%s]:%d [%s]",
CONFIG_SERVER,
CONFIG_SERVER_PORT,
zbx_tcp_strerror());
return res;
}
static int send_data_to_server(zbx_sock_t *sock, const char *data)
{
int res;
zabbix_log(LOG_LEVEL_DEBUG, "In send_data_to_server() [%s]",
data);
if (FAIL == (res = zbx_tcp_send(sock, data)))
zabbix_log(LOG_LEVEL_ERR, "Error while sending data to the server [%s]",
zbx_tcp_strerror());
return res;
}
static int recv_data_from_server(zbx_sock_t *sock, char **data)
{
int res;
zabbix_log(LOG_LEVEL_DEBUG, "In recv_data_from_server()");
if (FAIL == (res = zbx_tcp_recv_ext(sock, data, 0)))
zabbix_log(LOG_LEVEL_ERR, "Error while receiving answer from server [%s]",
zbx_tcp_strerror());
else
zabbix_log(LOG_LEVEL_DEBUG, "Received [%s] from server",
*data);
return res;
}
void disconnect_server(zbx_sock_t *sock)
{
zbx_tcp_close(sock);
}
/******************************************************************************
* *
* Function: get_data_from_server *
* *
* Purpose: get configuration and othed data from server *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int get_data_from_server(zbx_sock_t *sock, const char *request, char **data)
{
int ret = FAIL;
struct zbx_json j;
zabbix_log(LOG_LEVEL_DEBUG, "In get_data_from_server() [request:%s]",
request);
zbx_json_init(&j, 128);
zbx_json_addstring(&j, "request", request, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&j, "host", CONFIG_HOSTNAME, ZBX_JSON_TYPE_STRING);
if (FAIL == send_data_to_server(sock, j.buffer))
goto exit;
if (FAIL == recv_data_from_server(sock, data))
goto exit;
ret = SUCCEED;
exit:
zbx_json_free(&j);
return ret;
}
/******************************************************************************
* *
* Function: put_data_to_server *
* *
* Purpose: send data from server *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int put_data_to_server(zbx_sock_t *sock, struct zbx_json *j)
{
struct zbx_json_parse jp;
int ret = FAIL;
char *answer, value[MAX_STRING_LEN];
zabbix_log(LOG_LEVEL_DEBUG, "In put_data_to_server() [datalen:%zd]",
j->buffer_size);
if (FAIL == send_data_to_server(sock, j->buffer))
goto exit;
if (FAIL == recv_data_from_server(sock, &answer))
goto exit;
if (FAIL == zbx_json_open(answer, &jp))
goto exit;
if (FAIL == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value)))
goto exit;
if (0 != strcmp(value, ZBX_PROTO_VALUE_SUCCESS))
goto exit;
ret = SUCCEED;
exit:
zabbix_log(LOG_LEVEL_DEBUG, "End of put_data_to_server():%s",
ret == SUCCEED ? "SUCCEED" : "FAIL");
return ret;
}
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