Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#include "zabbix_sender.h"

​

#include "zbxstr.h"

#include "zbxjson.h"

#include "zbxcomms.h"

#include "zbxcommshigh.h"

#include "cfg.h"

​

const char  *progname = NULL;

const char  title_message[] = "";

const char  *usage_message[] = {NULL};

​

const char  *help_message[] = {NULL};

​

unsigned char   program_type    = ZBX_PROGRAM_TYPE_SENDER;

​

int CONFIG_TCP_MAX_BACKLOG_SIZE = SOMAXCONN;

​

static int  sender_add_serveractive_host_cb(const zbx_vector_ptr_t *addrs, zbx_vector_str_t *hostnames, void *data)

{

    ZBX_UNUSED(hostnames);

​

    zbx_addr_copy((zbx_vector_ptr_t *)data, addrs);

​

    return SUCCEED;

}

​

int zabbix_sender_send_values(const char *address, unsigned short port, const char *source,

        const zabbix_sender_value_t *values, int count, char **result)

{

    zbx_socket_t                    sock;

    zbx_config_tls_t                config_tls;

    int                     ret, i;

    struct zbx_json                 json;

    static ZBX_THREAD_LOCAL zbx_vector_ptr_t    zbx_addrs;

    static ZBX_THREAD_LOCAL char            *last_address;

    static unsigned short               last_port;

​

    if (NULL == address)

    {

        if (NULL != result)

            *result = zbx_strdup(NULL, "address must not be NULL");

​

        return FAIL;

    }

​

    if (1 > count)

    {

        if (NULL != result)

            *result = zbx_strdup(NULL, "values array must have at least one item");

​

        return FAIL;

    }

​

    if (NULL == last_address)

        zbx_vector_ptr_create(&zbx_addrs);

​

    if (0 != zbx_strcmp_null(last_address, address) || port != last_port)

    {

        last_address = zbx_strdup(last_address, address);

        last_port = port;

​

        zbx_vector_ptr_clear_ext(&zbx_addrs, zbx_addr_free);

​

        if (FAIL == zbx_set_data_destination_hosts(address, port, "<server>", sender_add_serveractive_host_cb,

                NULL, &zbx_addrs, result))

        {

            zbx_free(last_address);

            last_port = 0;

            zbx_vector_ptr_clear_ext(&zbx_addrs, zbx_addr_free);

            zbx_vector_ptr_destroy(&zbx_addrs);

            return FAIL;