/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** 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 Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/
#include "proxypoller.h"
#include "proxyconfigread/proxyconfigread.h"
#include "trapper/trapper_server.h"
#include "cachehistory/cachehistory_server.h"
#include "discovery/discovery_server.h"
#include "autoreg/autoreg_server.h"
#include "zbxexpression.h"
#include "zbxdbwrap.h"
#include "zbxnix.h"
#include "zbxself.h"
#include "zbxdbhigh.h"
#include "zbxlog.h"
#include "zbxcompress.h"
#include "zbxrtc.h"
#include "zbxcommshigh.h"
#include "zbxnum.h"
#include "zbxtime.h"
#include "zbxversion.h"
#include "zbx_rtc_constants.h"
#include "zbxcacheconfig.h"
#include "zbxipcservice.h"
#include "zbxjson.h"
static zbx_get_program_type_f zbx_get_program_type_cb = NULL;
static int connect_to_proxy(const zbx_dc_proxy_t *proxy, zbx_socket_t *sock, int timeout,
const char *config_source_ip)
{
int ret = FAIL;
const char *tls_arg1, *tls_arg2;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() address:%s port:%hu timeout:%d conn:%u", __func__, proxy->addr,
proxy->port, timeout, (unsigned int)proxy->tls_connect);
switch (proxy->tls_connect)
{
case ZBX_TCP_SEC_UNENCRYPTED:
tls_arg1 = NULL;
tls_arg2 = NULL;
break;
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
case ZBX_TCP_SEC_TLS_CERT:
tls_arg1 = proxy->tls_issuer;
tls_arg2 = proxy->tls_subject;
break;
case ZBX_TCP_SEC_TLS_PSK:
tls_arg1 = proxy->tls_psk_identity;
tls_arg2 = proxy->tls_psk;
break;
#else
case ZBX_TCP_SEC_TLS_CERT:
case ZBX_TCP_SEC_TLS_PSK:
zabbix_log(LOG_LEVEL_ERR, "TLS connection is configured to be used with passive proxy \"%s\""
" but support for TLS was not compiled into %s.", proxy->name,
get_program_type_string(zbx_get_program_type_cb()));
ret = CONFIG_ERROR;
goto out;
#endif
default:
THIS_SHOULD_NEVER_HAPPEN;
goto out;
}
if (FAIL == (ret = zbx_tcp_connect(sock, config_source_ip, proxy->addr, proxy->port, timeout,
proxy->tls_connect, tls_arg1, tls_arg2)))
{
zabbix_log(LOG_LEVEL_ERR, "cannot connect to proxy \"%s\": %s", proxy->name, zbx_socket_strerror());
ret = NETWORK_ERROR;
}
out:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
static int send_data_to_proxy(const zbx_dc_proxy_t *proxy, zbx_socket_t *sock, const char *data, size_t size,
size_t reserved, int flags)
{
int ret;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
if (FAIL == (ret = zbx_tcp_send_ext(sock, data, size, reserved, flags, 0)))
{
zabbix_log(LOG_LEVEL_ERR, "cannot send data to proxy \"%s\": %s", proxy->name, zbx_socket_strerror());
ret = NETWORK_ERROR;
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
static int recv_data_from_proxy(const zbx_dc_proxy_t *proxy, zbx_socket_t *sock)
{
int ret;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
if (FAIL == (ret = zbx_tcp_recv(sock)))
{
zabbix_log(LOG_LEVEL_ERR, "cannot obtain data from proxy \"%s\": %s", proxy->name,
zbx_socket_strerror());
}
else
{
zabbix_log(LOG_LEVEL_DEBUG, "obtained data from proxy \"%s\": [%s]", proxy->name, sock->buffer);
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
static void disconnect_proxy(zbx_socket_t *sock)
{
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
zbx_tcp_close(sock);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __func__);
}
/********************************************************************************
* *
* Purpose: get historical data from proxy *
* *
* Parameters: proxy - [IN/OUT] proxy data *
* request - [IN] requested data type *
* config_timeout - [IN] *
* config_trapper_timeout - [IN] *
* config_source_ip - [IN] *
* data - [OUT] data received from proxy *
* ts - [OUT] timestamp when the proxy *
* connection was established *
* *
* Return value: SUCCESS - processed successfully *
* other code - an error occurred *
* *
* Comments: The proxy->compress property is updated depending on the *
* protocol flags sent by proxy. *
* *
********************************************************************************/
static int get_data_from_proxy(zbx_dc_proxy_t *proxy, const char *request, int config_timeout,
int config_trapper_timeout, const char *config_source_ip, char **data, zbx_timespec_t *ts)
{
zbx_socket_t s;
struct zbx_json j;
int ret, flags = ZBX_TCP_PROTOCOL | ZBX_TCP_COMPRESS;
char *buffer = NULL;
size_t buffer_size, reserved = 0;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() request:'%s'", __func__, request);
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addstring(&j, "request", request, ZBX_JSON_TYPE_STRING);
if (SUCCEED != zbx_compress(j.buffer, j.buffer_size, &buffer, &buffer_size))
{
zabbix_log(LOG_LEVEL_ERR,"cannot compress data: %s", zbx_compress_strerror());
ret = FAIL;
goto out;
}
reserved = j.buffer_size;
zbx_json_free(&j); /* json buffer can be large, free as fast as possible */
if (SUCCEED == (ret = connect_to_proxy(proxy, &s, config_trapper_timeout, config_source_ip)))
{
/* get connection timestamp if required */
if (NULL != ts)
zbx_timespec(ts);
ret = send_data_to_proxy(proxy, &s, buffer, buffer_size, reserved, flags);
zbx_free(buffer);
if (SUCCEED == ret)
{
if (SUCCEED == (ret = recv_data_from_proxy(proxy, &s)))
{
if (!ZBX_IS_RUNNING())
{
int flags_response = ZBX_TCP_PROTOCOL;
if (0 != (s.protocol & ZBX_TCP_COMPRESS))
flags_response |= ZBX_TCP_COMPRESS;
zbx_send_response_ext(&s, FAIL, "Zabbix server shutdown in progress", NULL,
flags_response, config_timeout);
zabbix_log(LOG_LEVEL_WARNING, "cannot process proxy data from passive proxy at"
" \"%s\": Zabbix server shutdown in progress", s.peer);
ret = FAIL;
}
else
{
ret = zbx_send_proxy_data_response(proxy, &s, NULL, SUCCEED,
ZBX_PROXY_UPLOAD_UNDEFINED, 0);
if (SUCCEED == ret)
*data = zbx_strdup(*data, s.buffer);
}
}
}
disconnect_proxy(&s);
}
out:
zbx_json_free(&j);
zbx_free(buffer);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Purpose: sends configuration data to proxy *
* *
* Parameters: proxy - [IN/OUT] proxy data *
* config_vault - [IN] *
* config_trapper_timeout - [IN] *
* config_source_ip - [IN] *
* config_ssl_ca_location - [IN] *
* config_ssl_cert_location - [IN] *
* config_ssl_key_location - [IN] *
* *
* Return value: SUCCEED - processed successfully *
* other code - an error occurred *
* *
* Comments: This function updates proxy version, compress and lastaccess *
* properties. *
* *
******************************************************************************/
static int proxy_send_configuration(zbx_dc_proxy_t *proxy, const zbx_config_vault_t *config_vault,
int config_trapper_timeout, const char *config_source_ip, const char *config_ssl_ca_location,
const char *config_ssl_cert_location, const char *config_ssl_key_location)
{
char *error = NULL, *buffer = NULL;
int ret, flags = ZBX_TCP_PROTOCOL | ZBX_TCP_COMPRESS, loglevel;
zbx_socket_t s;
struct zbx_json j;
struct zbx_json_parse jp;
size_t buffer_size, reserved = 0;
zbx_proxyconfig_status_t status = ZBX_PROXYCONFIG_STATUS_DATA;
zbx_json_init(&j, 512 * ZBX_KIBIBYTE);
zbx_json_addstring(&j, ZBX_PROTO_TAG_REQUEST, ZBX_PROTO_VALUE_PROXY_CONFIG, ZBX_JSON_TYPE_STRING);
if (SUCCEED != (ret = connect_to_proxy(proxy, &s, config_trapper_timeout, config_source_ip)))
goto out;
if (SUCCEED != (ret = send_data_to_proxy(proxy, &s, j.buffer, j.buffer_size, reserved, ZBX_TCP_PROTOCOL)))
goto clean;
if (FAIL == (ret = zbx_tcp_recv_ext(&s, 0, 0)))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot receive configuration information from proxy \"%s\": %s",
proxy->name, zbx_socket_strerror());
goto clean;
}
if (SUCCEED != (ret = zbx_json_open(s.buffer, &jp)))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot parse configuration information from proxy \"%s\": %s",
proxy->name, zbx_socket_strerror());
goto clean;
}
zbx_json_clean(&j);
if (SUCCEED != (ret = zbx_proxyconfig_get_data(proxy, &jp, &j, &status, config_vault, config_source_ip,
config_ssl_ca_location, config_ssl_cert_location, config_ssl_key_location, &error)))
{
zabbix_log(LOG_LEVEL_ERR, "cannot collect configuration data for proxy \"%s\": %s",
proxy->name, error);
goto clean;
}
if (SUCCEED != zbx_compress(j.buffer, j.buffer_size, &buffer, &buffer_size))
{
zabbix_log(LOG_LEVEL_ERR,"cannot compress data: %s", zbx_compress_strerror());
ret = FAIL;
goto clean;
}
reserved = j.buffer_size;
zbx_json_free(&j); /* json buffer can be large, free as fast as possible */
loglevel = (ZBX_PROXYCONFIG_STATUS_DATA == status ? LOG_LEVEL_WARNING : LOG_LEVEL_DEBUG);
zabbix_log(loglevel, "sending configuration data to proxy \"%s\" at \"%s\", datalen "
ZBX_FS_SIZE_T ", bytes " ZBX_FS_SIZE_T " with compression ratio %.1f", proxy->name,
s.peer, (zbx_fs_size_t)reserved, (zbx_fs_size_t)buffer_size,
(double)reserved / buffer_size);
ret = send_data_to_proxy(proxy, &s, buffer, buffer_size, reserved, flags);
zbx_free(buffer); /* json buffer can be large, free as fast as possible */
if (SUCCEED == ret)
{
if (SUCCEED != (ret = zbx_recv_response(&s, 0, &error)))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot send configuration data to proxy"
" \"%s\" at \"%s\": %s", proxy->name, s.peer, error);
}
else
{
if (SUCCEED != zbx_json_open(s.buffer, &jp))
{
zabbix_log(LOG_LEVEL_WARNING, "invalid configuration data response received from proxy"
" \"%s\" at \"%s\": %s", proxy->name, s.peer, zbx_json_strerror());
}
else
{
char *version_str;
version_str = zbx_get_proxy_protocol_version_str(&jp);
zbx_strlcpy(proxy->version_str, version_str, sizeof(proxy->version_str));
proxy->version_int = zbx_get_proxy_protocol_version_int(version_str);
proxy->lastaccess = time(NULL);
zbx_free(version_str);
}
}
}
clean:
disconnect_proxy(&s);
out:
zbx_free(buffer);
zbx_free(error);
zbx_json_free(&j);
#ifdef HAVE_MALLOC_TRIM
/* avoid memory not being released back to the system if large proxy configuration is retrieved from database */
if (ZBX_PROXYCONFIG_STATUS_DATA == status)
malloc_trim(ZBX_MALLOC_TRIM);
#endif
return ret;
}
/******************************************************************************
* *
* Purpose: processes proxy data request *
* *
* Parameters: proxy - [IN/OUT] proxy data *
* answer - [IN] data received from proxy *
* ts - [IN] timestamp when the proxy connection *
* was established *
* events_cbs - [IN] *
* proxydata_frequency - [IN] *
* more - [OUT] available data flag *
* *
* Return value: SUCCEED - data were received and processed successfully *
* FAIL - otherwise *
* *
* Comments: The proxy->version property is updated with the version number *
* sent by proxy. *
* *
******************************************************************************/
static int proxy_process_proxy_data(zbx_dc_proxy_t *proxy, const char *answer, zbx_timespec_t *ts,
const zbx_events_funcs_t *events_cbs, int proxydata_frequency, int *more)
{
struct zbx_json_parse jp;
char *error = NULL, *version_str = NULL;
int version_int, ret = FAIL;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
*more = ZBX_PROXY_DATA_DONE;
if ('\0' == *answer)
{
zabbix_log(LOG_LEVEL_WARNING, "proxy \"%s\" at \"%s\" returned no proxy data:"
" check allowed connection types and access rights", proxy->name, proxy->addr);
goto out;
}
if (SUCCEED != zbx_json_open(answer, &jp))
{
zabbix_log(LOG_LEVEL_WARNING, "proxy \"%s\" at \"%s\" returned invalid proxy data: %s",
proxy->name, proxy->addr, zbx_json_strerror());
goto out;
}
version_str = zbx_get_proxy_protocol_version_str(&jp);
version_int = zbx_get_proxy_protocol_version_int(version_str);
zbx_strlcpy(proxy->version_str, version_str, sizeof(proxy->version_str));
proxy->version_int = version_int;
if (SUCCEED != zbx_check_protocol_version(proxy, version_int))
{
goto out;
}
if (SUCCEED != (ret = zbx_process_proxy_data(proxy, &jp, ts, PROXY_OPERATING_MODE_PASSIVE, events_cbs,
proxydata_frequency, zbx_discovery_update_host_server, zbx_discovery_update_service_server,
zbx_discovery_update_service_down_server, zbx_discovery_find_host_server,
zbx_discovery_update_drule_server, zbx_autoreg_host_free_server,
(zbx_autoreg_flush_hosts_func_t)zbx_autoreg_flush_hosts_server,
(zbx_autoreg_prepare_host_func_t)zbx_autoreg_prepare_host_server, more, &error)))
{
zabbix_log(LOG_LEVEL_WARNING, "proxy \"%s\" at \"%s\" returned invalid proxy data: %s",
proxy->name, proxy->addr, error);
}
out:
zbx_free(error);
zbx_free(version_str);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Purpose: gets data from proxy ('proxy data' request) *
* *
* Parameters: proxy - [IN/OUT] proxy data *
* config_timeout - [IN] *
* config_trapper_timeout - [IN] *
* events_cbs - [IN] *
* proxydata_frequency - [IN] *
* config_source_ip - [IN] *
* more - [OUT] available data flag *
* *
* Return value: SUCCEED - data were received and processed successfully *
* other code - an error occurred *
* *
* Comments: This function updates proxy version, compress and lastaccess *
* properties. *
* *
******************************************************************************/
static int proxy_get_data(zbx_dc_proxy_t *proxy, int config_timeout, int config_trapper_timeout,
const zbx_events_funcs_t *events_cbs, int proxydata_frequency, const char *config_source_ip, int *more)
{
char *answer = NULL;
int ret;
zbx_timespec_t ts;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
if (SUCCEED != (ret = get_data_from_proxy(proxy, ZBX_PROTO_VALUE_PROXY_DATA, config_timeout,
config_trapper_timeout, config_source_ip, &answer, &ts)))
{
goto out;
}
/* handle pre 3.4 proxies that did not support proxy data request and active/passive configuration mismatch */
if ('\0' == *answer)
{
zbx_strlcpy(proxy->version_str, ZBX_VERSION_UNDEFINED_STR, sizeof(proxy->version_str));
proxy->version_int = ZBX_COMPONENT_VERSION_UNDEFINED;
zbx_free(answer);
ret = FAIL;
goto out;
}
proxy->lastaccess = time(NULL);
ret = proxy_process_proxy_data(proxy, answer, &ts, events_cbs, proxydata_frequency, more);
zbx_free(answer);
out:
if (SUCCEED == ret)
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s more:%d", __func__, zbx_result_string(ret), *more);
else
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Purpose: gets data from proxy ('proxy data' request) *
* *
* Parameters: proxy - [IN/OUT] proxy data *
* config_timeout - [IN] *
* config_trapper_timeout - [IN] *
* config_source_ip - [IN] *
* events_cbs - [IN] *
* proxydata_frequency - [IN] *
* *
* Return value: SUCCEED - data were received and processed successfully *
* other code - an error occurred *
* *
* Comments: This function updates proxy version, compress and lastaccess *
* properties. *
* *
******************************************************************************/
static int proxy_get_tasks(zbx_dc_proxy_t *proxy, int config_timeout, int config_trapper_timeout,
const char *config_source_ip, const zbx_events_funcs_t *events_cbs, int proxydata_frequency)
{
char *answer = NULL;
int ret = FAIL, more;
zbx_timespec_t ts;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
if (SUCCEED != (ret = get_data_from_proxy(proxy, ZBX_PROTO_VALUE_PROXY_TASKS, config_timeout,
config_trapper_timeout, config_source_ip, &answer, &ts)))
{
goto out;
}
/* handle pre 3.4 proxies that did not support proxy data request and active/passive configuration mismatch */
if ('\0' == *answer)
{
zbx_strlcpy(proxy->version_str, ZBX_VERSION_UNDEFINED_STR, sizeof(proxy->version_str));
proxy->version_int = ZBX_COMPONENT_VERSION_UNDEFINED;
zbx_free(answer);
ret = FAIL;
goto out;
}
proxy->lastaccess = time(NULL);
ret = proxy_process_proxy_data(proxy, answer, &ts, events_cbs, proxydata_frequency, &more);
zbx_free(answer);
out:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Purpose: retrieve values of metrics from monitored hosts *
* *
******************************************************************************/
static int process_proxy(const zbx_config_vault_t *config_vault, int config_timeout, int config_trapper_timeout,
const char *config_source_ip, const char *config_ssl_ca_location, const char *config_ssl_cert_location,
const char *config_ssl_key_location, const zbx_events_funcs_t *events_cbs, int proxyconfig_frequency,
int proxydata_frequency)
{
zbx_dc_proxy_t proxy, proxy_old;
int num, i;
time_t now;
zbx_dc_um_handle_t *um_handle;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
if (0 == (num = zbx_dc_config_get_proxypoller_hosts(&proxy, 1)))
goto exit;
now = time(NULL);
um_handle = zbx_dc_open_user_macros();
for (i = 0; i < num; i++)
{
int ret = FAIL;
unsigned char update_nextcheck = 0;
memcpy(&proxy_old, &proxy, sizeof(zbx_dc_proxy_t));
if (proxy.proxy_config_nextcheck <= now)
update_nextcheck |= ZBX_PROXY_CONFIG_NEXTCHECK;
if (proxy.proxy_data_nextcheck <= now)
update_nextcheck |= ZBX_PROXY_DATA_NEXTCHECK;
if (proxy.proxy_tasks_nextcheck <= now)
update_nextcheck |= ZBX_PROXY_TASKS_NEXTCHECK;
/* Check if passive proxy has been misconfigured on the server side. If it has happened more */
/* recently than last synchronisation of cache then there is no point to retry connecting to */
/* proxy again. The next reconnection attempt will happen after cache synchronisation. */
if (proxy.last_cfg_error_time < zbx_dc_config_get_last_sync_time())
{
char *port = NULL;
int check_tasks = 0;
proxy.addr = zbx_strdup(NULL, proxy.addr_orig);
zbx_substitute_simple_macros(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, &proxy.addr, ZBX_MACRO_TYPE_COMMON, NULL, 0);
port = zbx_strdup(port, proxy.port_orig);
zbx_substitute_simple_macros(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, &port, ZBX_MACRO_TYPE_COMMON, NULL, 0);
if (FAIL == zbx_is_ushort(port, &proxy.port))
{
zabbix_log(LOG_LEVEL_ERR, "invalid proxy \"%s\" port: \"%s\"", proxy.name, port);
ret = CONFIG_ERROR;
zbx_free(port);
goto error;
}
zbx_free(port);
if (proxy.proxy_config_nextcheck <= now && proxy.compatibility == ZBX_PROXY_VERSION_CURRENT)
{
if (SUCCEED != (ret = proxy_send_configuration(&proxy, config_vault,
config_trapper_timeout, config_source_ip, config_ssl_ca_location,
config_ssl_cert_location, config_ssl_key_location)))
{
goto error;
}
}
if (proxy.proxy_tasks_nextcheck <= now)
check_tasks = 1;
if (proxy.proxy_data_nextcheck <= now && (proxy.compatibility == ZBX_PROXY_VERSION_CURRENT ||
proxy.compatibility == ZBX_PROXY_VERSION_OUTDATED))
{
int more;
do
{
if (FAIL == zbx_hc_check_proxy(proxy.proxyid) ||
SUCCEED == zbx_vps_monitor_capped())
{
break;
}
if (SUCCEED != (ret = proxy_get_data(&proxy, config_timeout,
config_trapper_timeout, events_cbs, proxydata_frequency,
config_source_ip, &more)))
{
goto error;
}
check_tasks = 0;
}
while (ZBX_PROXY_DATA_MORE == more);
}
if (1 == check_tasks)
{
if (SUCCEED != (ret = proxy_get_tasks(&proxy, config_timeout, config_trapper_timeout,
config_source_ip, events_cbs, proxydata_frequency)))
{
goto error;
}
}
}
error:
zbx_free(proxy.addr);
if (0 != strcmp(proxy_old.version_str, proxy.version_str) ||
proxy_old.lastaccess != proxy.lastaccess)
{
zbx_update_proxy_data(&proxy_old, proxy.version_str, proxy.version_int, proxy.lastaccess, 0);
}
zbx_dc_requeue_proxy(proxy.proxyid, update_nextcheck, ret, proxyconfig_frequency, proxydata_frequency);
}
zbx_dc_close_user_macros(um_handle);
exit:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __func__);
return num;
}
ZBX_THREAD_ENTRY(proxypoller_thread, args)
{
zbx_thread_proxy_poller_args *proxy_poller_args_in = (zbx_thread_proxy_poller_args *)
(((zbx_thread_args_t *)args)->args);
int nextcheck, sleeptime = -1, processed = 0, old_processed = 0;
double sec, total_sec = 0.0, old_total_sec = 0.0;
time_t last_stat_time;
zbx_ipc_async_socket_t rtc;
const zbx_thread_info_t *info = &((zbx_thread_args_t *)args)->info;
int server_num = ((zbx_thread_args_t *)args)->info.server_num;
int process_num = ((zbx_thread_args_t *)args)->info.process_num;
unsigned char process_type = ((zbx_thread_args_t *)args)->info.process_type;
zbx_uint32_t rtc_msgs[] = {ZBX_RTC_PROXYPOLLER_PROCESS};
zbx_get_program_type_cb = proxy_poller_args_in->zbx_get_program_type_cb_arg;
zabbix_log(LOG_LEVEL_INFORMATION, "%s #%d started [%s #%d]", get_program_type_string(info->program_type),
server_num, get_process_type_string(process_type), process_num);
zbx_update_selfmon_counter(info, ZBX_PROCESS_STATE_BUSY);
#define STAT_INTERVAL 5 /* if a process is busy and does not sleep then update status not faster than */
/* once in STAT_INTERVAL seconds */
#if defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
zbx_tls_init_child(proxy_poller_args_in->config_tls, zbx_get_program_type_cb, zbx_dc_get_psk_by_identity);
#endif
zbx_setproctitle("%s #%d [connecting to the database]", get_process_type_string(process_type), process_num);
last_stat_time = time(NULL);
zbx_db_connect(ZBX_DB_CONNECT_NORMAL);
zbx_rtc_subscribe(process_type, process_num, rtc_msgs, ARRSIZE(rtc_msgs), proxy_poller_args_in->config_timeout,
&rtc);
while (ZBX_IS_RUNNING())
{
zbx_uint32_t rtc_cmd;
unsigned char *rtc_data;
sec = zbx_time();
zbx_update_env(get_process_type_string(process_type), sec);
if (0 != sleeptime)
{
zbx_setproctitle("%s #%d [exchanged data with %d proxies in " ZBX_FS_DBL " sec,"
" exchanging data%s]", get_process_type_string(process_type), process_num,
old_processed, old_total_sec, zbx_vps_monitor_status());
}
processed += process_proxy(proxy_poller_args_in->config_vault, proxy_poller_args_in->config_timeout,
proxy_poller_args_in->config_trapper_timeout, proxy_poller_args_in->config_source_ip,
proxy_poller_args_in->config_ssl_ca_location,
proxy_poller_args_in->config_ssl_cert_location,
proxy_poller_args_in->config_ssl_key_location,
proxy_poller_args_in->events_cbs, proxy_poller_args_in->proxyconfig_frequency,
proxy_poller_args_in->proxydata_frequency);
total_sec += zbx_time() - sec;
nextcheck = zbx_dc_config_get_proxypoller_nextcheck();
sleeptime = zbx_calculate_sleeptime(nextcheck, POLLER_DELAY);
if (0 != sleeptime || STAT_INTERVAL <= time(NULL) - last_stat_time)
{
if (0 == sleeptime)
{
zbx_setproctitle("%s #%d [exchanged data with %d proxies in " ZBX_FS_DBL " sec,"
" exchanging data%s]", get_process_type_string(process_type),
process_num, processed, total_sec, zbx_vps_monitor_status());
}
else
{
zbx_setproctitle("%s #%d [exchanged data with %d proxies in " ZBX_FS_DBL " sec,"
" idle %d sec%s]", get_process_type_string(process_type), process_num,
processed, total_sec, sleeptime, zbx_vps_monitor_status());
old_processed = processed;
old_total_sec = total_sec;
}
processed = 0;
total_sec = 0.0;
last_stat_time = time(NULL);
}
if (SUCCEED == zbx_rtc_wait(&rtc, info, &rtc_cmd, &rtc_data, sleeptime) && 0 != rtc_cmd)
{
if (ZBX_RTC_SHUTDOWN == rtc_cmd)
break;
}
}
zbx_setproctitle("%s #%d [terminated]", get_process_type_string(process_type), process_num);
while (1)
zbx_sleep(SEC_PER_MIN);
#undef STAT_INTERVAL
}