/****************************************************************************** * * * Function: process_configuration_sync * * * * Purpose: * * * * Parameters: * * * * Return value: * * * * Author: Alexander Vladishev * * * * Comments: * * * ******************************************************************************/ static void process_configuration_sync() { const char *__function_name = "process_configuration_sync"; zbx_sock_t sock; char *data; struct zbx_json_parse jp; zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name); connect_to_server(&sock, 600, CONFIG_PROXYCONFIG_RETRY); /* retry till have a connection */ if (FAIL == get_data_from_server(&sock, ZBX_PROTO_VALUE_PROXY_CONFIG, &data)) goto exit; if ('\0' != *data) zabbix_log(LOG_LEVEL_WARNING, "Received configuration data from server. Datalen " ZBX_FS_SIZE_T, (zbx_fs_size_t)strlen(data)); else zabbix_log(LOG_LEVEL_WARNING, "Cannot obtain configuration data from server. " "Proxy host name might not be matching that on the server."); if (FAIL == zbx_json_open(data, &jp)) goto exit; process_proxyconfig(&jp); exit: disconnect_server(&sock); zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name); }
/****************************************************************************** * * * Function: put_data_to_server * * * * Purpose: send data from server * * * * Parameters: * * * * Return value: SUCCESS - processed succesfully * * FAIL - an error occured * * * * Author: Alksander Vladishev * * * * Comments: * * * ******************************************************************************/ int put_data_to_server(zbx_sock_t *sock, struct zbx_json *j) { struct zbx_json_parse jp; int ret = FAIL; char *answer, value[MAX_STRING_LEN]; zabbix_log(LOG_LEVEL_DEBUG, "In put_data_to_server() [datalen:%zd]", j->buffer_size); if (FAIL == send_data_to_server(sock, j->buffer)) goto exit; if (FAIL == recv_data_from_server(sock, &answer)) goto exit; if (FAIL == zbx_json_open(answer, &jp)) goto exit; if (FAIL == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value))) goto exit; if (0 != strcmp(value, ZBX_PROTO_VALUE_SUCCESS)) goto exit; ret = SUCCEED; exit: zabbix_log(LOG_LEVEL_DEBUG, "End of put_data_to_server():%s", zbx_result_string(ret)); return ret; }
/****************************************************************************** * * * Function: check_response * * * * Purpose: Check whether JSON response is SUCCEED * * * * Parameters: JSON response from Zabbix trapper * * * * Return value: SUCCEED - processed successfully * * FAIL - an error occurred * * * * Author: Alexei Vladishev * * * * Comments: zabbix_sender has almost the same function! * * * ******************************************************************************/ static int check_response(char *response) { const char *__function_name = "check_response"; struct zbx_json_parse jp; char value[MAX_STRING_LEN]; char info[MAX_STRING_LEN]; int ret = SUCCEED; zabbix_log(LOG_LEVEL_DEBUG, "In %s() response:'%s'", __function_name, response); ret = zbx_json_open(response, &jp); if (SUCCEED == ret) ret = zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value)); if (SUCCEED == ret && 0 != strcmp(value, ZBX_PROTO_VALUE_SUCCESS)) ret = FAIL; if (SUCCEED == ret && SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_INFO, info, sizeof(info))) zabbix_log(LOG_LEVEL_DEBUG, "info from server: '%s'", info); zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret)); return ret; }
/****************************************************************************** * * * Function: * * * * Purpose: * * * * Parameters: * * * * Return value: * * * * Comments: * * * ******************************************************************************/ static int process_jatrap(zbx_sock_t * sock, char *s) { int ret = SUCCEED; struct zbx_json_parse jp; char value[MAX_STRING_LEN]; char *message = NULL; static JOBARG_JOBNET_INFO ji; zbx_rtrim(s, " \r\n"); zabbix_log(LOG_LEVEL_DEBUG, "Jatrapper got [%s] len %zd", s, strlen(s)); /*JSON Format check */ if (SUCCEED != zbx_json_open(s, &jp)) { ja_log("JATRAPPER200037", 0, NULL, 0); message = zbx_dsprintf(message, "Received message error: [JSON format error]"); ret = FAIL; reply_jobresult_response(sock, ret, message); zbx_free(message); return ret; } /*[kind] check */ if (SUCCEED != zbx_json_value_by_name(&jp, JA_PROTO_TAG_KIND, value, sizeof(value))) { ja_log("JATRAPPER200036", 0, NULL, 0); message = zbx_dsprintf(message, "Received message error: [kind] not found"); ret = FAIL; reply_jobresult_response(sock, ret, message); zbx_free(message); return ret; } if (0 == strcmp(value, JA_PROTO_VALUE_JOBRESULT)) { /*from Job agent */ } else if (0 == strcmp(value, JA_PROTO_VALUE_JOBNETRUN)) { /*from external I/F */ message = evaluate_jobnetrun(sock, &jp, &ret); reply_jobnetrun_response(sock, ret, message); } else if (0 == strcmp(value, JA_PROTO_VALUE_JOBNETSTATUSRQ)) { /*from jobnet-status request */ init_jobnetinfo(&ji); message = evaluate_jobnetstatusrq(sock, &jp, &ret, &ji); reply_jobnetstatusrq_response(sock, ret, &ji, message); } else { ja_log("JATRAPPER200035", 0, NULL, 0); message = zbx_dsprintf(message, "Received message error: [kind] is not correct."); ret = FAIL; reply_jobresult_response(sock, ret, message); } zbx_free(message); return ret; }
/****************************************************************************** * * * Function: zbx_recv_response * * * * Purpose: read a response message (in JSON format) from socket, optionally * * extract "info" value. * * * * Parameters: sock - [IN] socket descriptor * * timeout - [IN] timeout for this operation * * error - [OUT] pointer to error message * * * * Return value: SUCCEED - "response":"success" successfully retrieved * * FAIL - otherwise * * Comments: * * Allocates memory. * * * * If an error occurs, the function allocates dynamic memory for an error * * message and writes its address into location pointed to by "error" * * parameter. * * * * When the "info" value is present in the response message then function * * copies the "info" value into the "error" buffer as additional * * information * * * * IMPORTANT: it is a responsibility of the caller to release the * * "error" memory ! * * * ******************************************************************************/ int zbx_recv_response(zbx_socket_t *sock, int timeout, char **error) { const char *__function_name = "zbx_recv_response"; struct zbx_json_parse jp; char value[16]; int ret = FAIL; zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name); if (SUCCEED != zbx_tcp_recv_to(sock, timeout)) { /* since we have successfully sent data earlier, we assume the other */ /* side is just too busy processing our data if there is no response */ *error = zbx_strdup(*error, zbx_socket_strerror()); goto out; } zabbix_log(LOG_LEVEL_DEBUG, "%s() '%s'", __function_name, sock->buffer); /* deal with empty string here because zbx_json_open() does not produce an error message in this case */ if ('\0' == *sock->buffer) { *error = zbx_strdup(*error, "empty string received"); goto out; } if (SUCCEED != zbx_json_open(sock->buffer, &jp)) { *error = zbx_strdup(*error, zbx_json_strerror()); goto out; } if (SUCCEED != zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value))) { *error = zbx_strdup(*error, "no \"" ZBX_PROTO_TAG_RESPONSE "\" tag"); goto out; } if (0 != strcmp(value, ZBX_PROTO_VALUE_SUCCESS)) { char *info = NULL; size_t info_alloc = 0; if (SUCCEED == zbx_json_value_by_name_dyn(&jp, ZBX_PROTO_TAG_INFO, &info, &info_alloc)) *error = zbx_strdup(*error, info); else *error = zbx_dsprintf(*error, "negative response \"%s\"", value); zbx_free(info); goto out; } ret = SUCCEED; out: zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret)); return ret; }
static int lld_rows_get(char *value, lld_filter_t *filter, zbx_vector_ptr_t *lld_rows, char **error) { const char *__function_name = "lld_rows_get"; struct zbx_json_parse jp, jp_data, jp_row; const char *p; zbx_lld_row_t *lld_row; int ret = FAIL; zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name); if (SUCCEED != zbx_json_open(value, &jp)) { *error = zbx_strdup(*error, "Value should be a JSON object."); goto out; } /* {"data":[{"{#IFNAME}":"eth0"},{"{#IFNAME}":"lo"},...]} */ /* ^-------------------------------------------^ */ if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) { *error = zbx_dsprintf(*error, "Cannot find the \"%s\" array in the received JSON object.", ZBX_PROTO_TAG_DATA); goto out; } p = NULL; /* {"data":[{"{#IFNAME}":"eth0"},{"{#IFNAME}":"lo"},...]} */ /* ^ */ while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"data":[{"{#IFNAME}":"eth0"},{"{#IFNAME}":"lo"},...]} */ /* ^------------------^ */ if (FAIL == zbx_json_brackets_open(p, &jp_row)) continue; if (SUCCEED != filter_evaluate(filter, &jp_row)) continue; lld_row = zbx_malloc(NULL, sizeof(zbx_lld_row_t)); lld_row->jp_row = jp_row; zbx_vector_ptr_create(&lld_row->item_links); zbx_vector_ptr_append(lld_rows, lld_row); } ret = SUCCEED; out: zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret)); return ret; }
/****************************************************************************** * * * Function: check_response * * * * Purpose: Check whether JSON response is SUCCEED * * * * Parameters: result SUCCEED or FAIL * * * * Return value: SUCCEED - processed successfully * * FAIL - an error occurred * * * * Author: Alexei Vladishev * * * * Comments: active agent has almost the same function! * * * ******************************************************************************/ static int check_response(char *response) { struct zbx_json_parse jp; char value[MAX_STRING_LEN]; char info[MAX_STRING_LEN]; int ret; ret = zbx_json_open(response, &jp); if (SUCCEED == ret) ret = zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value)); if (SUCCEED == ret && 0 != strcmp(value, ZBX_PROTO_VALUE_SUCCESS)) ret = FAIL; if (SUCCEED == ret && SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_INFO, info, sizeof(info))) printf("info from server: \"%s\"\n", info); return ret; }
/****************************************************************************** * * * Function: check_response * * * * Purpose: Check if json response is SUCCEED * * * * Parameters: result SUCCEED or FAIL * * * * Return value: SUCCEED - processed successfully * * FAIL - an error occured * * * * Author: Alexei Vladishev * * * * Comments: zabbix_sender has exactly the same function! * * * ******************************************************************************/ static int check_response(char *response) { struct zbx_json_parse jp; char value[MAX_STRING_LEN]; char info[MAX_STRING_LEN]; int ret = SUCCEED; zabbix_log( LOG_LEVEL_DEBUG, "In check_response(%s)", response); ret = zbx_json_open(response, &jp); if (SUCCEED == ret) { ret = zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE,value, sizeof(value)); } if(SUCCEED == ret) { if(strcmp(value, ZBX_PROTO_VALUE_SUCCESS) != 0) { ret = FAIL; } } if (SUCCEED == ret) { if(SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_INFO, info, sizeof(info))) { zabbix_log(LOG_LEVEL_DEBUG, "Info from server: %s", info); } } return ret; }
/****************************************************************************** * * * Function: parse_list_of_checks * * * * Purpose: Parse list of active checks received from server * * * * Parameters: str - NULL terminated string received from server * * * * Return value: returns SUCCEED on succesfull parsing, * * FAIL on an incoorrect format of string * * * * Author: Eugene Grigorjev, Alexei Vladishev (new json protocol) * * * * Comments: * * String reprents as "ZBX_EOF" termination list * * With '\n' delimeter between elements. * * Each element represents as: * * <key>:<refresh time>:<last log size> * * * ******************************************************************************/ static int parse_list_of_checks(char *str) { const char *p; char name[MAX_STRING_LEN], key_orig[MAX_STRING_LEN], expression[MAX_STRING_LEN], tmp[MAX_STRING_LEN], exp_delimiter; int delay, lastlogsize, expression_type, case_sensitive; struct zbx_json_parse jp; struct zbx_json_parse jp_data, jp_row; zabbix_log(LOG_LEVEL_DEBUG, "In parse_list_of_checks()"); disable_all_metrics(); if (SUCCEED != zbx_json_open(str, &jp)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, tmp, sizeof(tmp))) goto json_error; if (0 != strcmp(tmp, ZBX_PROTO_VALUE_SUCCESS)) { zabbix_log(LOG_LEVEL_ERR, "Unsucesfull response received from server"); return FAIL; } if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) goto json_error; p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"data":[{"key":"system.cpu.num",...,...},{...},...]} * ^------------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY, name, sizeof(name)) || *name == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", ZBX_PROTO_TAG_KEY); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY_ORIG, key_orig, sizeof(key_orig)) || *key_orig == '\0') zbx_strlcpy(key_orig, name, sizeof(key_orig)); if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_DELAY, tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", ZBX_PROTO_TAG_DELAY); continue; } delay = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_LOGLASTSIZE, tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", ZBX_PROTO_TAG_LOGLASTSIZE); continue; } lastlogsize = atoi(tmp); add_check(name, key_orig, delay, lastlogsize); } clean_regexps_ex(regexps, ®exps_num); if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_REGEXP, &jp_data)) { p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"regexp":[{"name":"regexp1",...,...},{...},...]} * ^------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, "name", name, sizeof(name))) { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "name"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression", expression, sizeof(expression)) || *expression == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "expression"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression_type", tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "expression_type"); continue; } expression_type = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, "exp_delimiter", tmp, sizeof(tmp))) { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "exp_delimiter"); continue; } exp_delimiter = tmp[0]; if (SUCCEED != zbx_json_value_by_name(&jp_row, "case_sensitive", tmp, sizeof(tmp)) || *tmp == '\0') { zabbix_log(LOG_LEVEL_WARNING, "Unable to retrieve value of tag \"%s\"", "case_sensitive"); continue; } case_sensitive = atoi(tmp); add_regexp_ex(®exps, ®exps_alloc, ®exps_num, name, expression, expression_type, exp_delimiter, case_sensitive); } } return SUCCEED; json_error: zabbix_log(LOG_LEVEL_ERR, "Can't parse list of active checks. %s", zbx_json_strerror()); return FAIL; }
static int process_trap(zbx_sock_t *sock, char *s, int max_len) { char *pl, *pr, *data, value_dec[MAX_BUFFER_LEN]; char lastlogsize[11], timestamp[11], source[HISTORY_LOG_SOURCE_LEN_MAX], severity[11]; int sender_nodeid, nodeid; char *answer; int ret = SUCCEED, res; size_t datalen; struct zbx_json_parse jp; char value[MAX_STRING_LEN]; AGENT_VALUE av; memset(&av, 0, sizeof(AGENT_VALUE)); zbx_rtrim(s, " \r\n"); datalen = strlen(s); zabbix_log(LOG_LEVEL_DEBUG, "Trapper got [%s] len " ZBX_FS_SIZE_T, s, (zbx_fs_size_t)datalen); if (0 == strncmp(s, "ZBX_GET_ACTIVE_CHECKS", 21)) /* Request for list of active checks */ { ret = send_list_of_active_checks(sock, s); } else if (strncmp(s, "ZBX_GET_HISTORY_LAST_ID", 23) == 0) /* Request for last ids */ { send_history_last_id(sock, s); return ret; } else /* Process information sent by zabbix_sender */ { /* Node data exchange? */ if (strncmp(s, "Data", 4) == 0) { node_sync_lock(0); res = node_sync(s, &sender_nodeid, &nodeid); if (FAIL == res) { alarm(CONFIG_TIMEOUT); send_data_to_node(sender_nodeid, sock, "FAIL"); alarm(0); } else { res = calculate_checksums(nodeid, NULL, 0); if (SUCCEED == res && NULL != (data = get_config_data(nodeid, ZBX_NODE_SLAVE))) { zabbix_log( LOG_LEVEL_WARNING, "NODE %d: Sending configuration changes" " to slave node %d for node %d datalen " ZBX_FS_SIZE_T, CONFIG_NODEID, sender_nodeid, nodeid, (zbx_fs_size_t)strlen(data)); alarm(CONFIG_TRAPPER_TIMEOUT); res = send_data_to_node(sender_nodeid, sock, data); zbx_free(data); if (SUCCEED == res) res = recv_data_from_node(sender_nodeid, sock, &answer); if (SUCCEED == res && 0 == strcmp(answer, "OK")) res = update_checksums(nodeid, ZBX_NODE_SLAVE, SUCCEED, NULL, 0, NULL); alarm(0); } } node_sync_unlock(0); return ret; } /* Slave node history ? */ if (strncmp(s, "History", 7) == 0) { const char *reply; reply = (SUCCEED == node_history(s, datalen) ? "OK" : "FAIL"); alarm(CONFIG_TIMEOUT); if (SUCCEED != zbx_tcp_send_raw(sock, reply)) { zabbix_log(LOG_LEVEL_WARNING, "Error sending %s to node", reply); zabbix_syslog("Trapper: error sending %s to node", reply); } alarm(0); return ret; } /* JSON protocol? */ else if (SUCCEED == zbx_json_open(s, &jp)) { if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_REQUEST, value, sizeof(value))) { if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_CONFIG)) { if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER)) send_proxyconfig(sock, &jp); else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE)) { zabbix_log(LOG_LEVEL_WARNING, "Received configuration data from server." " Datalen " ZBX_FS_SIZE_T, (zbx_fs_size_t)datalen); recv_proxyconfig(sock, &jp); } } else if (0 == strcmp(value, ZBX_PROTO_VALUE_AGENT_DATA) || 0 == strcmp(value, ZBX_PROTO_VALUE_SENDER_DATA)) { recv_agenthistory(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_HISTORY_DATA)) { if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER)) recv_proxyhistory(sock, &jp); else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE)) send_proxyhistory(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_DISCOVERY_DATA)) { if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER)) recv_discovery_data(sock, &jp); else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE)) send_discovery_data(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_AUTO_REGISTRATION_DATA)) { if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER)) recv_areg_data(sock, &jp); else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE)) send_areg_data(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_HEARTBEAT)) { if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER)) recv_proxy_heartbeat(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_ACTIVE_CHECKS)) { ret = send_list_of_active_checks_json(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_HOST_AVAILABILITY)) { if (0 != (daemon_type & ZBX_DAEMON_TYPE_SERVER)) recv_host_availability(sock, &jp); else if (0 != (daemon_type & ZBX_DAEMON_TYPE_PROXY_PASSIVE)) send_host_availability(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_COMMAND)) { ret = node_process_command(sock, s, &jp); } else { zabbix_log(LOG_LEVEL_WARNING, "Unknown request received [%s]", value); } } return ret; } /* XML protocol? */ else if (*s == '<') { comms_parse_response(s, av.host_name, sizeof(av.host_name), av.key, sizeof(av.key), value_dec, sizeof(value_dec), lastlogsize, sizeof(lastlogsize), timestamp, sizeof(timestamp), source, sizeof(source), severity, sizeof(severity)); av.value = value_dec; av.lastlogsize = atoi(lastlogsize); av.timestamp = atoi(timestamp); av.source = source; av.severity = atoi(severity); } else { pl = s; if (NULL == (pr = strchr(pl, ':'))) return FAIL; *pr = '\0'; zbx_strlcpy(av.host_name, pl, sizeof(av.host_name)); *pr = ':'; pl = pr + 1; if (NULL == (pr = strchr(pl, ':'))) return FAIL; *pr = '\0'; zbx_strlcpy(av.key, pl, sizeof(av.key)); *pr = ':'; av.value = pr + 1; av.severity = 0; } av.clock = time(NULL); process_mass_data(sock, 0, &av, 1, NULL); alarm(CONFIG_TIMEOUT); if (SUCCEED != zbx_tcp_send_raw(sock, SUCCEED == ret ? "OK" : "NOT OK")) { zabbix_log(LOG_LEVEL_WARNING, "Error sending result back"); zabbix_syslog("Trapper: error sending result back"); } alarm(0); } return ret; }
static int lld_rows_get(char *value, char *filter, zbx_vector_ptr_t *lld_rows, char **error) { const char *__function_name = "lld_rows_get"; struct zbx_json_parse jp, jp_data, jp_row; char *f_macro = NULL, *f_regexp = NULL; const char *p; zbx_vector_ptr_t regexps; zbx_lld_row_t *lld_row; int ret = FAIL; zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name); if (SUCCEED != zbx_json_open(value, &jp)) { *error = zbx_strdup(*error, "Value should be a JSON object."); goto out; } /* {"data":[{"{#IFNAME}":"eth0"},{"{#IFNAME}":"lo"},...]} */ /* ^-------------------------------------------^ */ if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) { *error = zbx_dsprintf(*error, "Cannot find the \"%s\" array in the received JSON object.", ZBX_PROTO_TAG_DATA); goto out; } zbx_vector_ptr_create(®exps); if (NULL != (f_regexp = strchr(filter, ':'))) { f_macro = filter; *f_regexp++ = '\0'; if ('@' == *f_regexp) DCget_expressions_by_name(®exps, f_regexp + 1); zabbix_log(LOG_LEVEL_DEBUG, "%s() f_macro:'%s' f_regexp:'%s'", __function_name, f_macro, f_regexp); } p = NULL; /* {"data":[{"{#IFNAME}":"eth0"},{"{#IFNAME}":"lo"},...]} */ /* ^ */ while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"data":[{"{#IFNAME}":"eth0"},{"{#IFNAME}":"lo"},...]} */ /* ^------------------^ */ if (FAIL == zbx_json_brackets_open(p, &jp_row)) continue; if (NULL != f_macro && SUCCEED != lld_check_record(&jp_row, f_macro, f_regexp, ®exps)) continue; lld_row = zbx_malloc(NULL, sizeof(zbx_lld_row_t)); memcpy(&lld_row->jp_row, &jp_row, sizeof(struct zbx_json_parse)); zbx_vector_ptr_create(&lld_row->item_links); zbx_vector_ptr_append(lld_rows, lld_row); } zbx_regexp_clean_expressions(®exps); zbx_vector_ptr_destroy(®exps); ret = SUCCEED; out: zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret)); return ret; }
static int parse_response(DC_ITEM *items, AGENT_RESULT *results, int *errcodes, int num, char *response, char *error, int max_error_len) { const char *p; struct zbx_json_parse jp, jp_data, jp_row; char *value = NULL; size_t value_alloc = 0; int i, ret = GATEWAY_ERROR; if (SUCCEED == zbx_json_open(response, &jp)) { if (SUCCEED != zbx_json_value_by_name_dyn(&jp, ZBX_PROTO_TAG_RESPONSE, &value, &value_alloc)) { zbx_snprintf(error, max_error_len, "No '%s' tag in received JSON", ZBX_PROTO_TAG_RESPONSE); goto exit; } if (0 == strcmp(value, ZBX_PROTO_VALUE_SUCCESS)) { if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) { zbx_strlcpy(error, "Cannot open data array in received JSON", max_error_len); goto exit; } p = NULL; for (i = 0; i < num; i++) { if (SUCCEED != errcodes[i]) continue; if (NULL == (p = zbx_json_next(&jp_data, p))) { zbx_strlcpy(error, "Not all values included in received JSON", max_error_len); goto exit; } if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) { zbx_strlcpy(error, "Cannot open value object in received JSON", max_error_len); goto exit; } if (SUCCEED == zbx_json_value_by_name_dyn(&jp_row, ZBX_PROTO_TAG_VALUE, &value, &value_alloc)) { if (SUCCEED == set_result_type(&results[i], items[i].value_type, items[i].data_type, value)) errcodes[i] = SUCCEED; else errcodes[i] = NOTSUPPORTED; } else if (SUCCEED == zbx_json_value_by_name_dyn(&jp_row, ZBX_PROTO_TAG_ERROR, &value, &value_alloc)) { SET_MSG_RESULT(&results[i], zbx_strdup(NULL, value)); errcodes[i] = NOTSUPPORTED; } else { SET_MSG_RESULT(&results[i], zbx_strdup(NULL, "Cannot get item value or error message")); errcodes[i] = AGENT_ERROR; } } ret = SUCCEED; } else if (0 == strcmp(value, ZBX_PROTO_VALUE_FAILED)) { if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_ERROR, error, max_error_len)) ret = NETWORK_ERROR; else zbx_strlcpy(error, "Cannot get error message describing reasons for failure", max_error_len); goto exit; } else { zbx_snprintf(error, max_error_len, "Bad '%s' tag value '%s' in received JSON", ZBX_PROTO_TAG_RESPONSE, value); goto exit; } } else { zbx_strlcpy(error, "Cannot open received JSON", max_error_len); goto exit; } exit: zbx_free(value); return ret; }
static int process_trap(zbx_sock_t *sock, char *s, int max_len) { char *server,*key,*value_string, *data; char copy[MAX_STRING_LEN]; char host_dec[MAX_STRING_LEN],key_dec[MAX_STRING_LEN],value_dec[MAX_STRING_LEN]; char lastlogsize[MAX_STRING_LEN]; char timestamp[MAX_STRING_LEN]; char source[MAX_STRING_LEN]; char severity[MAX_STRING_LEN]; int sender_nodeid, nodeid; char *answer; int ret=SUCCEED, res; size_t datalen; struct zbx_json_parse jp; char value[MAX_STRING_LEN]; AGENT_VALUE av; zbx_rtrim(s, " \r\n\0"); datalen = strlen(s); zabbix_log( LOG_LEVEL_DEBUG, "Trapper got [%s] len %zd", s, datalen); if (0 == strncmp(s,"ZBX_GET_ACTIVE_CHECKS", 21)) /* Request for list of active checks */ { ret = send_list_of_active_checks(sock, s); /* Request for last ids */ } else if (strncmp(s,"ZBX_GET_HISTORY_LAST_ID", 23) == 0) { send_history_last_id(sock, s); return ret; } else if (strncmp(s,"ZBX_GET_TRENDS_LAST_ID", 22) == 0) { send_trends_last_id(sock, s); return ret; /* Process information sent by zabbix_sender */ } else { /* Command? */ if(strncmp(s,"Command",7) == 0) { node_process_command(sock, s); return ret; } /* Node data exchange? */ if(strncmp(s,"Data",4) == 0) { node_sync_lock(0); /* zabbix_log( LOG_LEVEL_WARNING, "Node data received [len:%d]", strlen(s)); */ res = node_sync(s, &sender_nodeid, &nodeid); if (FAIL == res) send_data_to_node(sender_nodeid, sock, "FAIL"); else { res = calculate_checksums(nodeid, NULL, 0); if (SUCCEED == res && NULL != (data = get_config_data(nodeid, ZBX_NODE_SLAVE))) { res = send_data_to_node(sender_nodeid, sock, data); zbx_free(data); if (SUCCEED == res) res = recv_data_from_node(sender_nodeid, sock, &answer); if (SUCCEED == res && 0 == strcmp(answer, "OK")) res = update_checksums(nodeid, ZBX_NODE_SLAVE, SUCCEED, NULL, 0, NULL); } } node_sync_unlock(0); return ret; } /* Slave node history ? */ if(strncmp(s,"History",7) == 0) { /* zabbix_log( LOG_LEVEL_WARNING, "Slave node history received [len:%d]", strlen(s)); */ if (node_history(s, datalen) == SUCCEED) { if (zbx_tcp_send_raw(sock,"OK") != SUCCEED) { zabbix_log( LOG_LEVEL_WARNING, "Error sending confirmation to node"); zabbix_syslog("Trapper: error sending confirmation to node"); } } return ret; } /* JSON protocol? */ else if (SUCCEED == zbx_json_open(s, &jp)) { if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_REQUEST, value, sizeof(value))) { if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_CONFIG) && zbx_process == ZBX_PROCESS_SERVER) { send_proxyconfig(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_AGENT_DATA) || 0 == strcmp(value, ZBX_PROTO_VALUE_SENDER_DATA)) { ret = process_new_values(sock, &jp, 0); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_HISTORY_DATA) && zbx_process == ZBX_PROCESS_SERVER) { ret = process_proxy_values(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_DISCOVERY_DATA) && zbx_process == ZBX_PROCESS_SERVER) { ret = process_discovery_data(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_HEARTBEAT) && zbx_process == ZBX_PROCESS_SERVER) { ret = process_proxy_heartbeat(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_ACTIVE_CHECKS)) { ret = send_list_of_active_checks_json(sock, &jp); } else { zabbix_log( LOG_LEVEL_WARNING, "Unknown request received [%s]", value); } } return ret; } /* New XML protocol? */ else if(s[0]=='<') { zabbix_log( LOG_LEVEL_DEBUG, "XML received [%s]", s); comms_parse_response(s,host_dec,key_dec,value_dec,lastlogsize,timestamp,source,severity,sizeof(host_dec)-1); server=host_dec; value_string=value_dec; key=key_dec; } else { strscpy(copy,s); server=(char *)strtok(s,":"); if(NULL == server) { return FAIL; } key=(char *)strtok(NULL,":"); if(NULL == key) { return FAIL; } value_string=strchr(copy,':'); value_string=strchr(value_string+1,':'); if(NULL == value_string) { return FAIL; } /* It points to ':', so have to increment */ value_string++; lastlogsize[0]=0; timestamp[0]=0; source[0]=0; severity[0]=0; } zabbix_log( LOG_LEVEL_DEBUG, "Value [%s]", value_string); av.clock = time(NULL); zbx_strlcpy(av.host_name, server, sizeof(av.host_name)); zbx_strlcpy(av.key, key, sizeof(av.key)); av.value = value_string; av.lastlogsize = atoi(lastlogsize); av.timestamp = atoi(timestamp); av.source = source; av.severity = atoi(severity); process_mass_data(sock, 0, &av, 1, NULL, 0); if( zbx_tcp_send_raw(sock, SUCCEED == ret ? "OK" : "NOT OK") != SUCCEED) { zabbix_log( LOG_LEVEL_WARNING, "Error sending result back"); zabbix_syslog("Trapper: error sending result back"); } zabbix_log( LOG_LEVEL_DEBUG, "After write()"); } return ret; }
/****************************************************************************** * * * Function: parse_list_of_checks * * * * Purpose: Parse list of active checks received from server * * * * Parameters: str - NULL terminated string received from server * * host - address of host * * port - port number on host * * * * Return value: returns SUCCEED on successful parsing, * * FAIL on an incorrect format of string * * * * Author: Eugene Grigorjev, Alexei Vladishev (new json protocol) * * * * Comments: * * String represented as "ZBX_EOF" termination list * * With '\n' delimiter between elements. * * Each element represented as: * * <key>:<refresh time>:<last log size>:<modification time> * * * ******************************************************************************/ static int parse_list_of_checks(char *str, const char *host, unsigned short port) { const char *p; char name[MAX_STRING_LEN], key_orig[MAX_STRING_LEN], expression[MAX_STRING_LEN], tmp[MAX_STRING_LEN], exp_delimiter; int delay, mtime, expression_type, case_sensitive; zbx_uint64_t lastlogsize; struct zbx_json_parse jp; struct zbx_json_parse jp_data, jp_row; zabbix_log(LOG_LEVEL_DEBUG, "In parse_list_of_checks()"); disable_all_metrics(); if (SUCCEED != zbx_json_open(str, &jp)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, tmp, sizeof(tmp))) goto json_error; if (0 != strcmp(tmp, ZBX_PROTO_VALUE_SUCCESS)) { if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_INFO, tmp, sizeof(tmp))) zabbix_log(LOG_LEVEL_WARNING, "no active checks on server [%s:%hu]: %s", host, port, tmp); else zabbix_log(LOG_LEVEL_WARNING, "no active checks on server"); return FAIL; } if (SUCCEED != zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_DATA, &jp_data)) goto json_error; p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"data":[{"key":"system.cpu.num",...,...},{...},...]} * ^------------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY, name, sizeof(name)) || '\0' == *name) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_KEY); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_KEY_ORIG, key_orig, sizeof(key_orig)) || '\0' == *key_orig) { zbx_strlcpy(key_orig, name, sizeof(key_orig)); } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_DELAY, tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_DELAY); continue; } delay = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_LOGLASTSIZE, tmp, sizeof(tmp)) || SUCCEED != is_uint64(tmp, &lastlogsize)) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_LOGLASTSIZE); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, ZBX_PROTO_TAG_MTIME, tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", ZBX_PROTO_TAG_MTIME); mtime = 0; } else mtime = atoi(tmp); add_check(name, key_orig, delay, lastlogsize, mtime); } zbx_regexp_clean_expressions(®exps); if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_REGEXP, &jp_data)) { p = NULL; while (NULL != (p = zbx_json_next(&jp_data, p))) { /* {"regexp":[{"name":"regexp1",...,...},{...},...]} * ^------------------------^ */ if (SUCCEED != zbx_json_brackets_open(p, &jp_row)) goto json_error; if (SUCCEED != zbx_json_value_by_name(&jp_row, "name", name, sizeof(name))) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "name"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression", expression, sizeof(expression)) || '\0' == *expression) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "expression"); continue; } if (SUCCEED != zbx_json_value_by_name(&jp_row, "expression_type", tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "expression_type"); continue; } expression_type = atoi(tmp); if (SUCCEED != zbx_json_value_by_name(&jp_row, "exp_delimiter", tmp, sizeof(tmp))) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "exp_delimiter"); continue; } exp_delimiter = tmp[0]; if (SUCCEED != zbx_json_value_by_name(&jp_row, "case_sensitive", tmp, sizeof(tmp)) || '\0' == *tmp) { zabbix_log(LOG_LEVEL_WARNING, "cannot retrieve value of tag \"%s\"", "case_sensitive"); continue; } case_sensitive = atoi(tmp); add_regexp_ex(®exps, name, expression, expression_type, exp_delimiter, case_sensitive); } } return SUCCEED; json_error: zabbix_log(LOG_LEVEL_ERR, "cannot parse list of active checks: %s", zbx_json_strerror()); return FAIL; }
static int process_trap(zbx_socket_t *sock, char *s, zbx_timespec_t *ts) { int ret = SUCCEED; zbx_rtrim(s, " \r\n"); zabbix_log(LOG_LEVEL_DEBUG, "trapper got '%s'", s); if ('{' == *s) /* JSON protocol */ { struct zbx_json_parse jp; char value[MAX_STRING_LEN]; if (SUCCEED != zbx_json_open(s, &jp)) { zbx_send_response(sock, FAIL, zbx_json_strerror(), CONFIG_TIMEOUT); zabbix_log(LOG_LEVEL_WARNING, "received invalid JSON object from %s: %s", sock->peer, zbx_json_strerror()); return FAIL; } if (SUCCEED == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_REQUEST, value, sizeof(value))) { if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_CONFIG)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) { send_proxyconfig(sock, &jp); } else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE)) { zabbix_log(LOG_LEVEL_WARNING, "received configuration data from server" " at \"%s\", datalen " ZBX_FS_SIZE_T, sock->peer, (zbx_fs_size_t)(jp.end - jp.start + 1)); recv_proxyconfig(sock, &jp); } else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_ACTIVE)) { /* This is a misconfiguration: the proxy is configured in active mode */ /* but server sends requests to it as to a proxy in passive mode. To */ /* prevent logging of this problem for every request we report it */ /* only when the server sends configuration to the proxy and ignore */ /* it for other requests. */ active_passive_misconfig(sock); } } else if (0 == strcmp(value, ZBX_PROTO_VALUE_AGENT_DATA) || 0 == strcmp(value, ZBX_PROTO_VALUE_SENDER_DATA)) { recv_agenthistory(sock, &jp, ts); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_HISTORY_DATA)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) recv_proxyhistory(sock, &jp, ts); else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE)) send_proxyhistory(sock, ts); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_DISCOVERY_DATA)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) recv_discovery_data(sock, &jp); else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE)) send_discovery_data(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_AUTO_REGISTRATION_DATA)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) recv_areg_data(sock, &jp); else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE)) send_areg_data(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_PROXY_HEARTBEAT)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) recv_proxy_heartbeat(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_ACTIVE_CHECKS)) { ret = send_list_of_active_checks_json(sock, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_HOST_AVAILABILITY)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) recv_host_availability(sock, &jp); else if (0 != (program_type & ZBX_PROGRAM_TYPE_PROXY_PASSIVE)) send_host_availability(sock); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_COMMAND)) { ret = node_process_command(sock, s, &jp); } else if (0 == strcmp(value, ZBX_PROTO_VALUE_GET_QUEUE)) { if (0 != (program_type & ZBX_PROGRAM_TYPE_SERVER)) ret = recv_getqueue(sock, &jp); } else zabbix_log(LOG_LEVEL_WARNING, "unknown request received [%s]", value); } } else if (0 == strncmp(s, "ZBX_GET_ACTIVE_CHECKS", 21)) /* request for list of active checks */ { ret = send_list_of_active_checks(sock, s); } else { char value_dec[MAX_BUFFER_LEN], lastlogsize[ZBX_MAX_UINT64_LEN], timestamp[11], source[HISTORY_LOG_SOURCE_LEN_MAX], severity[11]; AGENT_VALUE av; memset(&av, 0, sizeof(AGENT_VALUE)); if ('<' == *s) /* XML protocol */ { comms_parse_response(s, av.host_name, sizeof(av.host_name), av.key, sizeof(av.key), value_dec, sizeof(value_dec), lastlogsize, sizeof(lastlogsize), timestamp, sizeof(timestamp), source, sizeof(source), severity, sizeof(severity)); av.value = value_dec; if (SUCCEED != is_uint64(lastlogsize, &av.lastlogsize)) av.lastlogsize = 0; av.timestamp = atoi(timestamp); av.source = source; av.severity = atoi(severity); } else { char *pl, *pr; pl = s; if (NULL == (pr = strchr(pl, ':'))) return FAIL; *pr = '\0'; zbx_strlcpy(av.host_name, pl, sizeof(av.host_name)); *pr = ':'; pl = pr + 1; if (NULL == (pr = strchr(pl, ':'))) return FAIL; *pr = '\0'; zbx_strlcpy(av.key, pl, sizeof(av.key)); *pr = ':'; av.value = pr + 1; av.severity = 0; } zbx_timespec(&av.ts); if (0 == strcmp(av.value, ZBX_NOTSUPPORTED)) av.state = ITEM_STATE_NOTSUPPORTED; process_mass_data(sock, 0, &av, 1, NULL); zbx_alarm_on(CONFIG_TIMEOUT); if (SUCCEED != zbx_tcp_send_raw(sock, "OK")) zabbix_log(LOG_LEVEL_WARNING, "Error sending result back"); zbx_alarm_off(); } return ret; }
/****************************************************************************** * * * 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; }