Zabbix

/*

** Zabbix

** Copyright (C) 2001-2024 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 "proxyconfig.h"

​

#include "proxyconfigwrite/proxyconfigwrite.h"

​

#include "zbxlog.h"

#include "zbxnix.h"

#include "zbxcachehistory.h"

#include "zbxself.h"

#include "zbxtime.h"

​

#include "zbxcompress.h"

#include "zbxrtc.h"

#include "zbxcommshigh.h"

#include "zbx_rtc_constants.h"

#include "zbx_host_constants.h"

#include "zbxstr.h"

#include "zbxalgo.h"

​

static void process_configuration_sync(size_t *data_size, zbx_synced_new_config_t *synced,

        const zbx_thread_info_t *thread_info, zbx_thread_proxyconfig_args *args)

{

    zbx_socket_t        sock;

    struct  zbx_json_parse  jp, jp_kvs_paths = {0};

    char            value[16], *error = NULL, *buffer = NULL;

    size_t          buffer_size, reserved;

    struct zbx_json     j;

    int         ret = FAIL;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);

​

    /* reset the performance metric */

    *data_size = 0;

​

    zbx_json_init(&j, 128);

    zbx_json_addstring(&j, "request", ZBX_PROTO_VALUE_PROXY_CONFIG, ZBX_JSON_TYPE_STRING);

    zbx_json_addstring(&j, "host", args->config_hostname, ZBX_JSON_TYPE_STRING);

    zbx_json_addstring(&j, ZBX_PROTO_TAG_VERSION, ZABBIX_VERSION, ZBX_JSON_TYPE_STRING);

    zbx_json_addstring(&j, ZBX_PROTO_TAG_SESSION, zbx_dc_get_session_token(), ZBX_JSON_TYPE_STRING);

    zbx_json_adduint64(&j, ZBX_PROTO_TAG_CONFIG_REVISION, zbx_dc_get_received_revision());

​

    if (SUCCEED != zbx_compress(j.buffer, j.buffer_size, &buffer, &buffer_size))

    {

        zabbix_log(LOG_LEVEL_ERR,"cannot compress data: %s", zbx_compress_strerror());

        goto out;

    }

​

    reserved = j.buffer_size;

    zbx_json_free(&j);

​

    zbx_update_selfmon_counter(thread_info, ZBX_PROCESS_STATE_IDLE);

#define CONFIG_PROXYCONFIG_RETRY    120 /* seconds */

    if (FAIL == zbx_connect_to_server(&sock, args->config_source_ip, args->config_server_addrs, 600,

            args->config_timeout, CONFIG_PROXYCONFIG_RETRY, LOG_LEVEL_WARNING,

            args->config_tls)) /* retry till have a connection */

    {

        zbx_update_selfmon_counter(thread_info, ZBX_PROCESS_STATE_BUSY);

        goto out;

    }

#undef CONFIG_PROXYCONFIG_RETRY

    zbx_update_selfmon_counter(thread_info, ZBX_PROCESS_STATE_BUSY);

​

    if (SUCCEED != zbx_get_data_from_server(&sock, &buffer, buffer_size, reserved, &error))

    {

        zabbix_log(LOG_LEVEL_WARNING, "cannot obtain configuration data from server at \"%s\": %s",

                sock.peer, error);

        goto error;

    }

​

    if ('\0' == *sock.buffer)

    {

        zabbix_log(LOG_LEVEL_WARNING, "cannot obtain configuration data from server at \"%s\": %s",

                sock.peer, "empty string received");