/******************************************************************************
* *
* Function: zbx_send_response *
* *
* Purpose: send json SUCCEED or FAIL to socket along with an info message *
* *
* Parameters: sock - [IN] socket descriptor *
* result - [IN] SUCCEED or FAIL *
* info - [IN] info message *
* timeout - [IN] timeout for this operation *
* *
* Return value: SUCCEED - data successfully transmited *
* NETWORK_ERROR - network related error occurred *
* *
* Author: Alexander Vladishev, Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int zbx_send_response_ext(zbx_socket_t *sock, int result, const char *info, int protocol, int timeout)
{
const char *__function_name = "zbx_send_response";
struct zbx_json json;
const char *resp;
int ret = SUCCEED;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_json_init(&json, ZBX_JSON_STAT_BUF_LEN);
resp = SUCCEED == result ? ZBX_PROTO_VALUE_SUCCESS : ZBX_PROTO_VALUE_FAILED;
zbx_json_addstring(&json, ZBX_PROTO_TAG_RESPONSE, resp, ZBX_JSON_TYPE_STRING);
if (NULL != info && '\0' != *info)
zbx_json_addstring(&json, ZBX_PROTO_TAG_INFO, info, ZBX_JSON_TYPE_STRING);
zabbix_log(LOG_LEVEL_DEBUG, "%s() '%s'", __function_name, json.buffer);
if (FAIL == (ret = zbx_tcp_send_ext(sock, json.buffer, strlen(json.buffer), protocol, timeout)))
{
zabbix_log(LOG_LEVEL_DEBUG, "Error sending result back: %s", zbx_socket_strerror());
ret = NETWORK_ERROR;
}
zbx_json_free(&json);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* 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)
{
char *error = NULL;
struct zbx_json j;
DC_PROXY proxy;
int flags = ZBX_TCP_PROTOCOL;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
if (SUCCEED != get_active_proxy_from_request(jp, &proxy, &error))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot parse proxy configuration data request from active proxy at"
" \"%s\": %s", sock->peer, error);
goto out;
}
if (SUCCEED != zbx_proxy_check_permissions(&proxy, sock, &error))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot accept connection from proxy \"%s\" at \"%s\", allowed address:"
" \"%s\": %s", proxy.host, sock->peer, proxy.proxy_address, error);
goto out;
}
zbx_update_proxy_data(&proxy, zbx_get_protocol_version(jp), time(NULL),
(0 != (sock->protocol & ZBX_TCP_COMPRESS) ? 1 : 0));
if (0 != proxy.auto_compress)
flags |= ZBX_TCP_COMPRESS;
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
if (SUCCEED != get_proxyconfig_data(proxy.hostid, &j, &error))
{
zbx_send_response_ext(sock, FAIL, error, NULL, flags, CONFIG_TIMEOUT);
zabbix_log(LOG_LEVEL_WARNING, "cannot collect configuration data for proxy \"%s\" at \"%s\": %s",
proxy.host, sock->peer, error);
goto clean;
}
zabbix_log(LOG_LEVEL_WARNING, "sending configuration data to proxy \"%s\" at \"%s\", datalen " ZBX_FS_SIZE_T,
proxy.host, sock->peer, (zbx_fs_size_t)j.buffer_size);
zabbix_log(LOG_LEVEL_DEBUG, "%s", j.buffer);
if (SUCCEED != zbx_tcp_send_ext(sock, j.buffer, strlen(j.buffer), flags, CONFIG_TRAPPER_TIMEOUT))
{
zabbix_log(LOG_LEVEL_WARNING, "cannot send configuration data to proxy \"%s\" at \"%s\": %s",
proxy.host, sock->peer, zbx_socket_strerror());
}
clean:
zbx_json_free(&j);
out:
zbx_free(error);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __func__);
}
int send_data_to_node(int nodeid, zbx_sock_t *sock, const char *data)
{
int res;
if (FAIL == (res = zbx_tcp_send_ext(sock, data, ZBX_TCP_NEW_PROTOCOL))) {
zabbix_log(LOG_LEVEL_ERR, "NODE %d: Error while sending data to Node [%d] error: %s",
CONFIG_NODEID,
nodeid,
zbx_tcp_strerror());
} else
zabbix_log(LOG_LEVEL_DEBUG, "NODE %d: Sending [%s] to Node [%d]",
CONFIG_NODEID,
data,
nodeid);
return res;
}