/******************************************************************************
* *
* Function: recv_proxyhistory *
* *
* Purpose: processes the received values from active proxies *
* *
******************************************************************************/
static void recv_proxyhistory(zbx_socket_t *sock, struct zbx_json_parse *jp, zbx_timespec_t *ts)
{
const char *__function_name = "recv_proxyhistory";
zbx_uint64_t proxy_hostid;
char host[HOST_HOST_LEN_MAX], *error = NULL;
int ret;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (SUCCEED != (ret = get_active_proxy_id(jp, &proxy_hostid, host, sock, &error)))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot parse history data from active proxy at \"%s\": %s",
sock->peer, error);
goto out;
}
update_proxy_lastaccess(proxy_hostid);
ret = process_hist_data(sock, jp, proxy_hostid, ts, &error);
out:
zbx_send_response(sock, ret, error, CONFIG_TIMEOUT);
zbx_free(error);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: send_proxyconfig *
* *
* Purpose: send configuration tables to the proxy *
* *
* Parameters: *
* *
* Return value: SUCCEED - processed successfully *
* FAIL - an error occurred *
* *
* Author: Aleksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int send_proxyconfig(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
zbx_uint64_t proxy_hostid;
struct zbx_json j;
int res = FAIL;
zabbix_log(LOG_LEVEL_DEBUG, "In send_proxyconfig()");
if (FAIL == get_proxy_id(jp, &proxy_hostid))
goto exit;
update_proxy_lastaccess(proxy_hostid);
zbx_json_init(&j, 512*1024);
if (SUCCEED == (res = get_proxyconfig_data(proxy_hostid, &j))) {
zabbix_log(LOG_LEVEL_WARNING, "Sending configuration data to proxy. Datalen %d",
(int)j.buffer_size);
zabbix_log(LOG_LEVEL_DEBUG, "%s",
j.buffer);
if (FAIL == (res = zbx_tcp_send(sock, j.buffer)))
zabbix_log(LOG_LEVEL_WARNING, "Error while sending configuration. %s",
zbx_tcp_strerror());
}
zbx_json_free(&j);
exit:
return res;
}
/******************************************************************************
* *
* Function: process_proxy_values *
* *
* Purpose: process values sent by proxy servers *
* *
* Parameters: *
* *
* Return value: SUCCEED - processed successfully *
* FAIL - an error occured *
* *
* Author: Aleksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_proxy_values(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
zbx_uint64_t proxy_hostid;
zabbix_log(LOG_LEVEL_DEBUG, "In process_proxy_values()");
if (FAIL == get_proxy_id(jp, &proxy_hostid))
return FAIL;
update_proxy_lastaccess(proxy_hostid);
return process_new_values(sock, jp, proxy_hostid);
}
/******************************************************************************
* *
* Function: send_proxyconfig *
* *
* Purpose: send configuration tables to the proxy from server *
* (for active proxies) *
* *
* Author: Alexander Vladishev *
* *
******************************************************************************/
void send_proxyconfig(zbx_socket_t *sock, struct zbx_json_parse *jp)
{
const char *__function_name = "send_proxyconfig";
zbx_uint64_t proxy_hostid;
char host[HOST_HOST_LEN_MAX], *error = NULL;
struct zbx_json j;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (SUCCEED != get_active_proxy_id(jp, &proxy_hostid, host, sock, &error))
{
zbx_send_response(sock, FAIL, error, CONFIG_TIMEOUT);
zabbix_log(LOG_LEVEL_WARNING, "cannot parse proxy configuration data request from active proxy at"
" \"%s\": %s", sock->peer, error);
goto out;
}
update_proxy_lastaccess(proxy_hostid);
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
if (SUCCEED != get_proxyconfig_data(proxy_hostid, &j, &error))
{
zbx_send_response(sock, FAIL, error, CONFIG_TIMEOUT);
zabbix_log(LOG_LEVEL_WARNING, "cannot collect configuration data for proxy \"%s\" at \"%s\": %s",
host, sock->peer, error);
goto clean;
}
zabbix_log(LOG_LEVEL_WARNING, "sending configuration data to proxy \"%s\" at \"%s\", datalen " ZBX_FS_SIZE_T,
host, sock->peer, (zbx_fs_size_t)j.buffer_size);
zabbix_log(LOG_LEVEL_DEBUG, "%s", j.buffer);
if (SUCCEED != zbx_tcp_send_to(sock, j.buffer, CONFIG_TRAPPER_TIMEOUT))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot send configuration data to proxy \"%s\" at \"%s\": %s",
host, sock->peer, zbx_socket_strerror());
}
clean:
zbx_json_free(&j);
out:
zbx_free(error);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: process_proxy_heartbeat *
* *
* Purpose: process heartbeat sent by proxy servers *
* *
* Parameters: *
* *
* Return value: SUCCEED - processed successfully *
* FAIL - an error occured *
* *
* Author: Aleksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_proxy_heartbeat(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
zbx_uint64_t proxy_hostid;
zabbix_log(LOG_LEVEL_DEBUG, "In process_proxy_heartbeat()");
if (FAIL == get_proxy_id(jp, &proxy_hostid))
return FAIL;
update_proxy_lastaccess(proxy_hostid);
if (send_result(sock, SUCCEED, NULL) != SUCCEED) {
zabbix_log( LOG_LEVEL_WARNING, "Error sending result back");
zabbix_syslog("Trapper: error sending result back");
}
return SUCCEED;
}
/******************************************************************************
* *
* Function: recv_proxy_heartbeat *
* *
* Purpose: process heartbeat sent by proxy servers *
* *
* Parameters: *
* *
* Return value: SUCCEED - processed successfully *
* FAIL - an error occurred *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void recv_proxy_heartbeat(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
const char *__function_name = "recv_proxy_heartbeat";
zbx_uint64_t proxy_hostid;
char host[HOST_HOST_LEN_MAX], error[256];
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (FAIL == get_proxy_id(jp, &proxy_hostid, host, error, sizeof(error)))
{
zabbix_log(LOG_LEVEL_WARNING, "Heartbeat from active proxy on [%s] failed: %s",
get_ip_by_socket(sock), error);
return;
}
update_proxy_lastaccess(proxy_hostid);
zbx_send_response(sock, SUCCEED, NULL, CONFIG_TIMEOUT);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: send_proxyconfig *
* *
* Purpose: send configuration tables to the proxy from server *
* (for active proxies) *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
void send_proxyconfig(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
const char *__function_name = "send_proxyconfig";
zbx_uint64_t proxy_hostid;
char host[HOST_HOST_LEN_MAX], error[256];
struct zbx_json j;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (FAIL == get_proxy_id(jp, &proxy_hostid, host, error, sizeof(error)))
{
zabbix_log(LOG_LEVEL_WARNING, "Proxy config request from active proxy on [%s] failed: %s",
get_ip_by_socket(sock), error);
return;
}
update_proxy_lastaccess(proxy_hostid);
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
get_proxyconfig_data(proxy_hostid, &j);
zabbix_log(LOG_LEVEL_WARNING, "Sending configuration data to proxy '%s'. Datalen " ZBX_FS_SIZE_T,
host, (zbx_fs_size_t)j.buffer_size);
zabbix_log(LOG_LEVEL_DEBUG, "%s",
j.buffer);
alarm(CONFIG_TIMEOUT);
if (FAIL == zbx_tcp_send(sock, j.buffer))
zabbix_log(LOG_LEVEL_WARNING, "Error while sending configuration. %s",
zbx_tcp_strerror());
alarm(0);
zbx_json_free(&j);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: recv_proxyhistory *
* *
* Purpose: process values sent by proxy servers *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void recv_proxyhistory(zbx_sock_t *sock, struct zbx_json_parse *jp)
{
const char *__function_name = "recv_proxyhistory";
zbx_uint64_t proxy_hostid;
char host[HOST_HOST_LEN_MAX], info[128], error[256];
int ret;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (FAIL == (ret = get_proxy_id(jp, &proxy_hostid, host, error, sizeof(error))))
{
zabbix_log(LOG_LEVEL_WARNING, "History data from active proxy on [%s] failed: %s",
get_ip_by_socket(sock), error);
goto exit;
}
update_proxy_lastaccess(proxy_hostid);
ret = process_hist_data(sock, jp, proxy_hostid, info, sizeof(info));
exit:
zbx_send_response(sock, ret, info, CONFIG_TIMEOUT);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: process_proxy *
* *
* Purpose: retrieve values of metrics from monitored hosts *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_proxy(void)
{
const char *__function_name = "process_proxy";
DC_PROXY proxy;
int num, i, ret;
struct zbx_json j;
struct zbx_json_parse jp, jp_data;
zbx_socket_t s;
char *answer = NULL, *port = NULL;
time_t now;
unsigned char update_nextcheck;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (0 == (num = DCconfig_get_proxypoller_hosts(&proxy, 1)))
goto exit;
now = time(NULL);
zbx_json_init(&j, 512 * 1024);
for (i = 0; i < num; i++)
{
update_nextcheck = 0;
if (proxy.proxy_config_nextcheck <= now)
update_nextcheck |= 0x01;
if (proxy.proxy_data_nextcheck <= now)
update_nextcheck |= 0x02;
proxy.addr = proxy.addr_orig;
port = zbx_strdup(port, proxy.port_orig);
substitute_simple_macros(NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
&port, MACRO_TYPE_COMMON, NULL, 0);
if (FAIL == is_ushort(port, &proxy.port))
{
zabbix_log(LOG_LEVEL_ERR, "invalid proxy \"%s\" port: \"%s\"", proxy.host, port);
goto network_error;
}
if (proxy.proxy_config_nextcheck <= now)
{
char *error = NULL;
zbx_json_clean(&j);
zbx_json_addstring(&j, ZBX_PROTO_TAG_REQUEST,
ZBX_PROTO_VALUE_PROXY_CONFIG, ZBX_JSON_TYPE_STRING);
zbx_json_addobject(&j, ZBX_PROTO_TAG_DATA);
if (SUCCEED != (ret = get_proxyconfig_data(proxy.hostid, &j, &error)))
{
zabbix_log(LOG_LEVEL_ERR, "cannot collect configuration data for proxy \"%s\": %s",
proxy.host, error);
zbx_free(error);
goto network_error;
}
if (SUCCEED == (ret = connect_to_proxy(&proxy, &s, CONFIG_TRAPPER_TIMEOUT)))
{
zabbix_log(LOG_LEVEL_WARNING, "sending configuration data to proxy \"%s\" at \"%s\","
" datalen " ZBX_FS_SIZE_T,
proxy.host, get_ip_by_socket(&s), (zbx_fs_size_t)j.buffer_size);
if (SUCCEED == (ret = send_data_to_proxy(&proxy, &s, j.buffer)))
{
char *error = NULL;
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.host, get_ip_by_socket(&s), error);
}
zbx_free(error);
}
disconnect_proxy(&s);
}
if (SUCCEED != ret)
goto network_error;
}
if (proxy.proxy_data_nextcheck <= now)
{
if (SUCCEED == get_data_from_proxy(&proxy,
ZBX_PROTO_VALUE_HOST_AVAILABILITY, &answer))
{
if (SUCCEED == zbx_json_open(answer, &jp))
process_host_availability(&jp);
zbx_free(answer);
}
else
goto network_error;
retry_history:
if (SUCCEED == get_data_from_proxy(&proxy,
ZBX_PROTO_VALUE_HISTORY_DATA, &answer))
{
if (SUCCEED == zbx_json_open(answer, &jp))
{
process_hist_data(NULL, &jp, proxy.hostid, NULL, 0);
if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data))
{
if (ZBX_MAX_HRECORDS <= zbx_json_count(&jp_data))
{
zbx_free(answer);
goto retry_history;
}
}
}
zbx_free(answer);
}
else
goto network_error;
retry_dhistory:
if (SUCCEED == get_data_from_proxy(&proxy,
ZBX_PROTO_VALUE_DISCOVERY_DATA, &answer))
{
if (SUCCEED == zbx_json_open(answer, &jp))
{
process_dhis_data(&jp);
if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data))
{
if (ZBX_MAX_HRECORDS <= zbx_json_count(&jp_data))
{
zbx_free(answer);
goto retry_dhistory;
}
}
}
zbx_free(answer);
}
else
goto network_error;
retry_autoreg_host:
if (SUCCEED == get_data_from_proxy(&proxy,
ZBX_PROTO_VALUE_AUTO_REGISTRATION_DATA, &answer))
{
if (SUCCEED == zbx_json_open(answer, &jp))
{
process_areg_data(&jp, proxy.hostid);
if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data))
{
if (ZBX_MAX_HRECORDS <= zbx_json_count(&jp_data))
{
zbx_free(answer);
goto retry_autoreg_host;
}
}
}
zbx_free(answer);
}
else
goto network_error;
}
DBbegin();
update_proxy_lastaccess(proxy.hostid);
DBcommit();
network_error:
DCrequeue_proxy(proxy.hostid, update_nextcheck);
}
zbx_free(port);
zbx_json_free(&j);
exit:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
return num;
}