/******************************************************************************
* *
* Function: process_trap *
* *
* Purpose: process a single trap *
* *
* Parameters: addr - [IN] address of the target interface(s) *
* begin - [IN] beginning of the trap message *
* end - [IN] end of the trap message *
* *
* Author: Rudolfs Kreicbergs *
* *
******************************************************************************/
static void process_trap(const char *addr, char *begin, char *end)
{
zbx_timespec_t ts;
zbx_uint64_t *interfaceids = NULL;
int count, i, ret = FAIL;
char *trap = NULL;
zbx_timespec(&ts);
trap = zbx_dsprintf(trap, "%s%s", begin, end);
count = DCconfig_get_snmp_interfaceids_by_addr(addr, &interfaceids);
for (i = 0; i < count; i++)
{
if (SUCCEED == process_trap_for_interface(interfaceids[i], trap, &ts))
ret = SUCCEED;
}
if (FAIL == ret)
{
zbx_config_t cfg;
zbx_config_get(&cfg, ZBX_CONFIG_FLAGS_SNMPTRAP_LOGGING);
if (ZBX_SNMPTRAP_LOGGING_ENABLED == cfg.snmptrap_logging)
zabbix_log(LOG_LEVEL_WARNING, "unmatched trap received from \"%s\": %s", addr, trap);
zbx_config_clean(&cfg);
}
zbx_free(interfaceids);
zbx_free(trap);
}
ZBX_THREAD_ENTRY(trapper_thread, args)
{
double sec = 0.0;
zbx_socket_t s;
process_type = ((zbx_thread_args_t *)args)->process_type;
server_num = ((zbx_thread_args_t *)args)->server_num;
process_num = ((zbx_thread_args_t *)args)->process_num;
zabbix_log(LOG_LEVEL_INFORMATION, "%s #%d started [%s #%d]", get_program_type_string(program_type),
server_num, get_process_type_string(process_type), process_num);
memcpy(&s, (zbx_socket_t *)((zbx_thread_args_t *)args)->args, sizeof(zbx_socket_t));
#if defined(HAVE_POLARSSL) || defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
zbx_tls_init_child();
find_psk_in_cache = DCget_psk_by_identity;
#endif
zbx_setproctitle("%s #%d [connecting to the database]", get_process_type_string(process_type), process_num);
DBconnect(ZBX_DB_CONNECT_NORMAL);
for (;;)
{
zbx_handle_log();
zbx_setproctitle("%s #%d [processed data in " ZBX_FS_DBL " sec, waiting for connection]",
get_process_type_string(process_type), process_num, sec);
update_selfmon_counter(ZBX_PROCESS_STATE_IDLE);
/* Trapper has to accept all types of connections it can accept with the specified configuration. */
/* Only after receiving data it is known who has sent them and one can decide to accept or discard */
/* the data. */
if (SUCCEED == zbx_tcp_accept(&s, ZBX_TCP_SEC_TLS_CERT | ZBX_TCP_SEC_TLS_PSK | ZBX_TCP_SEC_UNENCRYPTED))
{
zbx_timespec_t ts;
/* get connection timestamp */
zbx_timespec(&ts);
update_selfmon_counter(ZBX_PROCESS_STATE_BUSY);
zbx_setproctitle("%s #%d [processing data]", get_process_type_string(process_type),
process_num);
sec = zbx_time();
process_trapper_child(&s, &ts);
sec = zbx_time() - sec;
zbx_tcp_unaccept(&s);
}
else if (EINTR != zbx_socket_last_error())
{
zabbix_log(LOG_LEVEL_WARNING, "failed to accept an incoming connection: %s",
zbx_socket_strerror());
}
}
}
/******************************************************************************
* *
* Function: get_pinger_hosts *
* *
* Purpose: creates buffer which contains list of hosts to ping *
* *
* Parameters: *
* *
* Return value: SUCCEED - the file was created successfully *
* FAIL - otherwise *
* *
* Author: Alexei Vladishev, Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void get_pinger_hosts(icmpitem_t **icmp_items, int *icmp_items_alloc, int *icmp_items_count)
{
const char *__function_name = "get_pinger_hosts";
DC_ITEM items[MAX_ITEMS];
int i, num, count, interval, size, timeout, rc;
char error[MAX_STRING_LEN], *addr = NULL;
icmpping_t icmpping;
icmppingsec_type_t type;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
num = DCconfig_get_poller_items(ZBX_POLLER_TYPE_PINGER, items, MAX_ITEMS);
for (i = 0; i < num; i++)
{
ZBX_STRDUP(items[i].key, items[i].key_orig);
rc = substitute_key_macros(&items[i].key, &items[i].host, NULL, MACRO_TYPE_ITEM_KEY,
error, sizeof(error));
if (SUCCEED == rc)
{
items[i].interface.addr = (1 == items[i].interface.useip ?
items[i].interface.ip_orig : items[i].interface.dns_orig);
rc = parse_key_params(items[i].key, items[i].interface.addr, &icmpping, &addr, &count,
&interval, &size, &timeout, &type, error, sizeof(error));
}
if (SUCCEED == rc)
{
add_icmpping_item(icmp_items, icmp_items_alloc, icmp_items_count, count, interval, size,
timeout, items[i].itemid, addr, icmpping, type);
}
else
{
zbx_timespec_t ts;
zbx_timespec(&ts);
dc_add_history(items[i].itemid, items[i].value_type, items[i].flags, NULL, &ts,
ITEM_STATUS_NOTSUPPORTED, error, 0, NULL, 0, 0, 0, 0);
DCrequeue_reachable_item(items[i].itemid, ITEM_STATUS_NOTSUPPORTED, ts.sec);
}
zbx_free(items[i].key);
}
DCconfig_clean_items(items, NULL, num);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%d", __function_name, *icmp_items_count);
}
/******************************************************************************
* *
* Function: history_sender *
* *
* Purpose: *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void history_sender(struct zbx_json *j, int *records, const char *tag,
int (*f_get_data)(), void (*f_set_lastid)())
{
const char *__function_name = "history_sender";
zbx_sock_t sock;
zbx_uint64_t lastid;
zbx_timespec_t ts;
int ret = SUCCEED;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
zbx_json_clean(j);
zbx_json_addstring(j, ZBX_PROTO_TAG_REQUEST, tag, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(j, ZBX_PROTO_TAG_HOST, CONFIG_HOSTNAME, ZBX_JSON_TYPE_STRING);
zbx_json_addarray(j, ZBX_PROTO_TAG_DATA);
*records = f_get_data(j, &lastid);
zbx_json_close(j);
if (*records > 0)
{
char *error = NULL;
connect_to_server(&sock, 600, CONFIG_PROXYDATA_FREQUENCY); /* retry till have a connection */
zbx_timespec(&ts);
zbx_json_adduint64(j, ZBX_PROTO_TAG_CLOCK, ts.sec);
zbx_json_adduint64(j, ZBX_PROTO_TAG_NS, ts.ns);
if (SUCCEED != (ret = put_data_to_server(&sock, j, &error)))
{
*records = 0;
zabbix_log(LOG_LEVEL_WARNING, "sending data to server failed: %s", error);
}
zbx_free(error);
disconnect_server(&sock);
}
if (SUCCEED == ret && 0 != lastid)
{
DBbegin();
f_set_lastid(lastid);
DBcommit();
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: procstat_get_cpu_util_snapshot_for_pids *
* *
* Purpose: gets cpu utilization data snapshot for the monitored processes *
* *
* Parameters: stats - [OUT] current reading of the per-pid cpu usage *
* statistics (array, items correspond to pids) *
* pids - [IN] pids (unique) for which to collect data in this *
* iteration *
* *
* Return value: timestamp of the snapshot *
* *
******************************************************************************/
static zbx_timespec_t procstat_get_cpu_util_snapshot_for_pids(zbx_procstat_util_t *stats,
zbx_vector_uint64_t *pids)
{
zbx_timespec_t snapshot_timestamp;
int i;
for (i = 0; i < pids->values_num; i++)
stats[i].pid = pids->values[i];
zbx_proc_get_process_stats(stats, pids->values_num);
zbx_timespec(&snapshot_timestamp);
return snapshot_timestamp;
}
/******************************************************************************
* *
* Function: process_pinger_hosts *
* *
* Purpose: *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void process_pinger_hosts(icmpitem_t *items, int items_count)
{
const char *__function_name = "process_pinger_hosts";
int i, first_index = 0, ping_result;
char error[ITEM_ERROR_LEN_MAX];
static ZBX_FPING_HOST *hosts = NULL;
static int hosts_alloc = 4;
int hosts_count = 0;
zbx_timespec_t ts;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __function_name);
if (NULL == hosts)
hosts = zbx_malloc(hosts, sizeof(ZBX_FPING_HOST) * hosts_alloc);
for (i = 0; i < items_count; i++)
{
add_pinger_host(&hosts, &hosts_alloc, &hosts_count, items[i].addr);
if (i == items_count - 1 || items[i].count != items[i + 1].count || items[i].interval != items[i + 1].interval ||
items[i].size != items[i + 1].size || items[i].timeout != items[i + 1].timeout)
{
zbx_setproctitle("%s [pinging hosts]", get_process_type_string(process_type));
zbx_timespec(&ts);
ping_result = do_ping(hosts, hosts_count,
items[i].count, items[i].interval, items[i].size, items[i].timeout,
error, sizeof(error));
process_values(items, first_index, i + 1, hosts, hosts_count, &ts, ping_result, error);
hosts_count = 0;
first_index = i + 1;
}
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
/******************************************************************************
* *
* Function: process_trap *
* *
* Purpose: process a single trap *
* *
* Parameters: addr - [IN] address of the target interface(s) *
* begin - [IN] beginning of the trap message *
* end - [IN] end of the trap message *
* *
* Author: Rudolfs Kreicbergs *
* *
******************************************************************************/
static void process_trap(const char *addr, char *begin, char *end)
{
zbx_timespec_t ts;
zbx_uint64_t *interfaceids = NULL;
int count, i, ret = FAIL;
char *trap = NULL;
zbx_timespec(&ts);
trap = zbx_dsprintf(trap, "%s%s", begin, end);
count = DCconfig_get_snmp_interfaceids_by_addr(addr, &interfaceids);
for (i = 0; i < count; i++)
{
if (SUCCEED == process_trap_for_interface(interfaceids[i], trap, &ts))
ret = SUCCEED;
}
if (FAIL == ret && 1 == *(unsigned char *)DCconfig_get_config_data(&i, CONFIG_SNMPTRAP_LOGGING))
zabbix_log(LOG_LEVEL_WARNING, "unmatched trap received from \"%s\": %s", addr, trap);
zbx_free(interfaceids);
zbx_free(trap);
}
/******************************************************************************
* *
* Function: process_httptest *
* *
* Purpose: process single scenario of http test *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void process_httptest(DC_HOST *host, zbx_httptest_t *httptest)
{
const char *__function_name = "process_httptest";
DB_RESULT result;
DB_ROW row;
DB_HTTPSTEP httpstep;
char *err_str = NULL;
int lastfailedstep;
zbx_timespec_t ts;
zbx_httpstat_t stat;
double speed_download = 0;
int speed_download_num = 0;
#ifdef HAVE_LIBCURL
int err;
char auth[HTTPTEST_HTTP_USER_LEN_MAX + HTTPTEST_HTTP_PASSWORD_LEN_MAX];
CURL *easyhandle = NULL;
#endif
zabbix_log(LOG_LEVEL_DEBUG, "In %s() httptestid:" ZBX_FS_UI64 " name:'%s'",
__function_name, httptest->httptest.httptestid, httptest->httptest.name);
lastfailedstep = 0;
result = DBselect(
"select httpstepid,no,name,url,timeout,posts,required,status_codes,variables"
" from httpstep"
" where httptestid=" ZBX_FS_UI64
" order by no",
httptest->httptest.httptestid);
#ifdef HAVE_LIBCURL
if (NULL == (easyhandle = curl_easy_init()))
{
err_str = zbx_strdup(err_str, "cannot initialize cURL library");
goto clean;
}
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_PROXY, httptest->httptest.http_proxy)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_COOKIEFILE, "")) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_USERAGENT, httptest->httptest.agent)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_FOLLOWLOCATION, 1L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_WRITEFUNCTION, WRITEFUNCTION2)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_HEADERFUNCTION, HEADERFUNCTION2)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_SSL_VERIFYPEER, 0L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_SSL_VERIFYHOST, 0L)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
goto clean;
}
while (NULL != (row = DBfetch(result)))
{
/* NOTE: do not break or return from this block! */
/* process_step_data() call is required! */
ZBX_STR2UINT64(httpstep.httpstepid, row[0]);
httpstep.httptestid = httptest->httptest.httptestid;
httpstep.no = atoi(row[1]);
httpstep.name = row[2];
httpstep.url = zbx_strdup(NULL, row[3]);
substitute_simple_macros(NULL, NULL, NULL, NULL, NULL, host, NULL,
&httpstep.url, MACRO_TYPE_HTTPTEST_FIELD, NULL, 0);
httpstep.timeout = atoi(row[4]);
httpstep.posts = zbx_strdup(NULL, row[5]);
substitute_simple_macros(NULL, NULL, NULL, NULL, NULL, host, NULL,
&httpstep.posts, MACRO_TYPE_HTTPTEST_FIELD, NULL, 0);
httpstep.required = zbx_strdup(NULL, row[6]);
substitute_simple_macros(NULL, NULL, NULL, NULL, NULL, host, NULL,
&httpstep.required, MACRO_TYPE_HTTPTEST_FIELD, NULL, 0);
httpstep.status_codes = zbx_strdup(NULL, row[7]);
substitute_simple_macros(NULL, NULL, NULL, NULL, &host->hostid, NULL, NULL,
&httpstep.status_codes, MACRO_TYPE_COMMON, NULL, 0);
httpstep.variables = row[8];
memset(&stat, 0, sizeof(stat));
http_substitute_variables(httptest, &httpstep.url);
http_substitute_variables(httptest, &httpstep.posts);
zabbix_log(LOG_LEVEL_DEBUG, "%s() use step \"%s\"", __function_name, httpstep.name);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_POSTFIELDS, httpstep.posts)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
goto httpstep_error;
}
if ('\0' != *httpstep.posts)
zabbix_log(LOG_LEVEL_DEBUG, "%s() use post \"%s\"", __function_name, httpstep.posts);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_POST, '\0' != *httpstep.posts ? 1L : 0L)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
goto httpstep_error;
}
if (HTTPTEST_AUTH_NONE != httptest->httptest.authentication)
{
long curlauth = 0;
zabbix_log(LOG_LEVEL_DEBUG, "%s() setting HTTPAUTH [%d]",
__function_name, httptest->httptest.authentication);
zabbix_log(LOG_LEVEL_DEBUG, "%s() setting USERPWD for authentication", __function_name);
switch (httptest->httptest.authentication)
{
case HTTPTEST_AUTH_BASIC:
curlauth = CURLAUTH_BASIC;
break;
case HTTPTEST_AUTH_NTLM:
curlauth = CURLAUTH_NTLM;
break;
default:
THIS_SHOULD_NEVER_HAPPEN;
break;
}
zbx_snprintf(auth, sizeof(auth), "%s:%s", httptest->httptest.http_user,
httptest->httptest.http_password);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_HTTPAUTH, curlauth)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_USERPWD, auth)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
goto httpstep_error;
}
}
zabbix_log(LOG_LEVEL_DEBUG, "%s() go to URL \"%s\"", __function_name, httpstep.url);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_TIMEOUT, (long)httpstep.timeout)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, CURLOPT_URL, httpstep.url)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
goto httpstep_error;
}
/* try to retrieve page several times depending on number of retries */
do
{
memset(&page, 0, sizeof(page));
if (CURLE_OK == (err = curl_easy_perform(easyhandle)))
break;
}
while (0 != --httptest->httptest.retries);
if (CURLE_OK == err)
{
char *var_err_str = NULL;
/* first get the data that is needed even if step fails */
if (CURLE_OK != (err = curl_easy_getinfo(easyhandle, CURLINFO_RESPONSE_CODE, &stat.rspcode)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
}
else if ('\0' != *httpstep.status_codes &&
FAIL == int_in_list(httpstep.status_codes, stat.rspcode))
{
err_str = zbx_strdup(err_str, "status code did not match");
}
if (CURLE_OK != (err = curl_easy_getinfo(easyhandle, CURLINFO_TOTAL_TIME, &stat.total_time)) &&
NULL == err_str)
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
}
if (CURLE_OK != (err = curl_easy_getinfo(easyhandle, CURLINFO_SPEED_DOWNLOAD,
&stat.speed_download)) && NULL == err_str)
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
}
else
{
speed_download += stat.speed_download;
speed_download_num++;
}
/* required pattern */
if (NULL == err_str && '\0' != *httpstep.required && NULL == zbx_regexp_match(page.data,
httpstep.required, NULL))
{
err_str = zbx_strdup(err_str, "required pattern not found");
}
/* variables defined in scenario */
if (NULL == err_str && FAIL == http_process_variables(httptest, httptest->httptest.variables,
page.data, &var_err_str))
{
char *variables;
variables = string_replace(httptest->httptest.variables, "\r\n", " ");
err_str = zbx_dsprintf(err_str, "error in scenario variables \"%s\": %s",
variables, var_err_str);
zbx_free(variables);
}
/* variables defined in a step */
if (NULL == err_str && FAIL == http_process_variables(httptest, httpstep.variables, page.data,
&var_err_str))
{
char *variables;
variables = string_replace(httpstep.variables, "\r\n", " ");
err_str = zbx_dsprintf(err_str, "error in step variables \"%s\": %s",
variables, var_err_str);
zbx_free(variables);
}
zbx_free(var_err_str);
}
else
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zbx_free(page.data);
httpstep_error:
zbx_free(httpstep.status_codes);
zbx_free(httpstep.required);
zbx_free(httpstep.posts);
zbx_free(httpstep.url);
zbx_timespec(&ts);
process_step_data(httpstep.httpstepid, &stat, &ts);
if (NULL != err_str)
{
lastfailedstep = httpstep.no;
break;
}
}
clean:
curl_easy_cleanup(easyhandle);
#else
err_str = zbx_strdup(err_str, "cURL library is required for Web monitoring support");
#endif /* HAVE_LIBCURL */
zbx_timespec(&ts);
if (NULL != err_str)
{
if (0 == lastfailedstep)
{
/* we are here either because cURL initialization failed */
/* or we have been compiled without cURL library */
lastfailedstep = 1;
if (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(httpstep.httpstepid, row[0]);
httpstep.name = row[2];
memset(&stat, 0, sizeof(stat));
process_step_data(httpstep.httpstepid, &stat, &ts);
}
else
THIS_SHOULD_NEVER_HAPPEN;
}
zabbix_log(LOG_LEVEL_WARNING, "cannot process step \"%s\" of web scenario \"%s\" on host \"%s\": %s",
httpstep.name, httptest->httptest.name, host->name, err_str);
}
DBfree_result(result);
DBexecute("update httptest set nextcheck=%d+delay where httptestid=" ZBX_FS_UI64,
ts.sec, httptest->httptest.httptestid);
if (0 != speed_download_num)
speed_download /= speed_download_num;
process_test_data(httptest->httptest.httptestid, lastfailedstep, speed_download, err_str, &ts);
zbx_free(err_str);
dc_flush_history();
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}
static int process_trap(zbx_sock_t *sock, char *s, int max_len)
{
char *pl, *pr, *data, value_dec[MAX_BUFFER_LEN];
char lastlogsize[ZBX_MAX_UINT64_LEN], 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
{
if (0 == strncmp(s, "Data", 4)) /* node data exchange */
{
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 = DMget_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;
}
else if (0 == strncmp(s, "History", 7)) /* slave node history */
{
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);
alarm(0);
return ret;
}
else if (SUCCEED == zbx_json_open(s, &jp)) /* JSON protocol */
{
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;
}
else 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
{
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.status = ITEM_STATUS_NOTSUPPORTED;
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");
alarm(0);
}
return ret;
}
/******************************************************************************
* *
* Function: process_value *
* *
* Purpose: Buffer new value or send the whole buffer to the server *
* *
* Parameters: server - IP or Hostname of Zabbix server *
* port - port of Zabbix server *
* host - name of host in Zabbix database *
* key - name of metric *
* value - key value *
* lastlogsize - size of read logfile *
* mtime - time of last file modification *
* timestamp - timestamp of read value *
* source - name of logged data source *
* severity - severity of logged data sources *
* logeventid - the application-specific identifier for *
* the event; used for monitoring of Windows *
* event logs *
* persistent - do not overwrite old values *
* *
* Return value: returns SUCCEED on successful parsing, *
* FAIL on other cases *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_value(
const char *server,
unsigned short port,
const char *host,
const char *key,
const char *value,
zbx_uint64_t *lastlogsize,
int *mtime,
unsigned long *timestamp,
const char *source,
unsigned short *severity,
unsigned long *logeventid,
unsigned char persistent
)
{
const char *__function_name = "process_value";
ZBX_ACTIVE_BUFFER_ELEMENT *el = NULL;
int i, ret = FAIL;
size_t sz;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() key:'%s:%s' value:'%s'", __function_name, host, key, value);
send_buffer(server, port);
if (0 != persistent && CONFIG_BUFFER_SIZE / 2 <= buffer.pcount)
{
zabbix_log(LOG_LEVEL_WARNING, "buffer is full, cannot store persistent value");
goto out;
}
if (CONFIG_BUFFER_SIZE > buffer.count)
{
zabbix_log(LOG_LEVEL_DEBUG, "buffer: new element %d", buffer.count);
el = &buffer.data[buffer.count];
buffer.count++;
}
else
{
if (0 == persistent)
{
for (i = 0; i < buffer.count; i++)
{
el = &buffer.data[i];
if (0 == strcmp(el->host, host) && 0 == strcmp(el->key, key))
break;
}
}
if (0 != persistent || i == buffer.count)
{
for (i = 0; i < buffer.count; i++)
{
el = &buffer.data[i];
if (0 == el->persistent)
break;
}
}
zabbix_log(LOG_LEVEL_DEBUG, "remove element [%d] Key:'%s:%s'", i, el->host, el->key);
zbx_free(el->host);
zbx_free(el->key);
zbx_free(el->value);
zbx_free(el->source);
sz = (CONFIG_BUFFER_SIZE - i - 1) * sizeof(ZBX_ACTIVE_BUFFER_ELEMENT);
memmove(&buffer.data[i], &buffer.data[i + 1], sz);
zabbix_log(LOG_LEVEL_DEBUG, "buffer full: new element %d", buffer.count - 1);
el = &buffer.data[CONFIG_BUFFER_SIZE - 1];
}
memset(el, 0, sizeof(ZBX_ACTIVE_BUFFER_ELEMENT));
el->host = zbx_strdup(NULL, host);
el->key = zbx_strdup(NULL, key);
el->value = (NULL == value) ? NULL : zbx_strdup(NULL, value);
if (NULL != source)
el->source = strdup(source);
if (NULL != severity)
el->severity = *severity;
if (NULL != lastlogsize)
el->lastlogsize = *lastlogsize;
if (NULL != mtime) /* will be null for "eventlog" and "log" and the value will be 0, only "logrt" matters */
el->mtime = *mtime;
if (NULL != timestamp)
el->timestamp = *timestamp;
if (NULL != logeventid)
el->logeventid = (int)*logeventid;
zbx_timespec(&el->ts);
el->persistent = persistent;
if (0 != persistent)
buffer.pcount++;
ret = SUCCEED;
out:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Function: send_buffer *
* *
* Purpose: Send value stored in the buffer to Zabbix server *
* *
* Parameters: host - IP or Hostname of Zabbix server *
* port - port number *
* *
* Return value: returns SUCCEED on successful parsing, *
* FAIL on other cases *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int send_buffer(const char *host, unsigned short port)
{
const char *__function_name = "send_buffer";
struct zbx_json json;
ZBX_ACTIVE_BUFFER_ELEMENT *el;
zbx_sock_t s;
char *buf = NULL;
int ret = SUCCEED, i, now;
zbx_timespec_t ts;
const char *err_send_step = "";
zabbix_log(LOG_LEVEL_DEBUG, "In %s() host:'%s' port:%d values:%d/%d",
__function_name, host, port, buffer.count, CONFIG_BUFFER_SIZE);
if (0 == buffer.count)
goto ret;
now = (int)time(NULL);
if (CONFIG_BUFFER_SIZE / 2 > buffer.pcount && CONFIG_BUFFER_SIZE > buffer.count &&
CONFIG_BUFFER_SEND > now - buffer.lastsent)
{
zabbix_log(LOG_LEVEL_DEBUG, "Will not send now. Now %d lastsent %d < %d",
now, buffer.lastsent, CONFIG_BUFFER_SEND);
goto ret;
}
zbx_json_init(&json, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addstring(&json, ZBX_PROTO_TAG_REQUEST, ZBX_PROTO_VALUE_AGENT_DATA, ZBX_JSON_TYPE_STRING);
zbx_json_addarray(&json, ZBX_PROTO_TAG_DATA);
for (i = 0; i < buffer.count; i++)
{
el = &buffer.data[i];
zbx_json_addobject(&json, NULL);
zbx_json_addstring(&json, ZBX_PROTO_TAG_HOST, el->host, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&json, ZBX_PROTO_TAG_KEY, el->key, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&json, ZBX_PROTO_TAG_VALUE, el->value, ZBX_JSON_TYPE_STRING);
if (0 != el->lastlogsize)
zbx_json_adduint64(&json, ZBX_PROTO_TAG_LOGLASTSIZE, el->lastlogsize);
if (el->mtime)
zbx_json_adduint64(&json, ZBX_PROTO_TAG_MTIME, el->mtime);
if (el->timestamp)
zbx_json_adduint64(&json, ZBX_PROTO_TAG_LOGTIMESTAMP, el->timestamp);
if (el->source)
zbx_json_addstring(&json, ZBX_PROTO_TAG_LOGSOURCE, el->source, ZBX_JSON_TYPE_STRING);
if (el->severity)
zbx_json_adduint64(&json, ZBX_PROTO_TAG_LOGSEVERITY, el->severity);
if (el->logeventid)
zbx_json_adduint64(&json, ZBX_PROTO_TAG_LOGEVENTID, el->logeventid);
zbx_json_adduint64(&json, ZBX_PROTO_TAG_CLOCK, el->ts.sec);
zbx_json_adduint64(&json, ZBX_PROTO_TAG_NS, el->ts.ns);
zbx_json_close(&json);
}
zbx_json_close(&json);
zbx_timespec(&ts);
zbx_json_adduint64(&json, ZBX_PROTO_TAG_CLOCK, ts.sec);
zbx_json_adduint64(&json, ZBX_PROTO_TAG_NS, ts.ns);
if (SUCCEED == (ret = zbx_tcp_connect(&s, CONFIG_SOURCE_IP, host, port,
MIN(buffer.count * CONFIG_TIMEOUT, 60))))
{
zabbix_log(LOG_LEVEL_DEBUG, "JSON before sending [%s]", json.buffer);
if (SUCCEED == (ret = zbx_tcp_send(&s, json.buffer)))
{
if (SUCCEED == zbx_tcp_recv(&s, &buf))
{
zabbix_log(LOG_LEVEL_DEBUG, "JSON back [%s]", buf);
if (NULL == buf || SUCCEED != check_response(buf))
zabbix_log(LOG_LEVEL_DEBUG, "NOT OK");
else
zabbix_log(LOG_LEVEL_DEBUG, "OK");
}
else
err_send_step = "[recv] ";
}
else
err_send_step = "[send] ";
zbx_tcp_close(&s);
}
else
err_send_step = "[connect] ";
zbx_json_free(&json);
if (SUCCEED == ret)
{
/* free buffer */
for (i = 0; i < buffer.count; i++)
{
el = &buffer.data[i];
zbx_free(el->host);
zbx_free(el->key);
zbx_free(el->value);
zbx_free(el->source);
}
buffer.count = 0;
buffer.pcount = 0;
buffer.lastsent = now;
if (0 != buffer.first_error)
{
zabbix_log(LOG_LEVEL_WARNING, "active check data upload to [%s:%hu] is working again",
host, port);
buffer.first_error = 0;
}
}
else
{
if (0 == buffer.first_error)
{
zabbix_log(LOG_LEVEL_WARNING, "active check data upload to [%s:%hu] started to fail (%s%s)",
host, port, err_send_step, zbx_tcp_strerror());
buffer.first_error = now;
}
zabbix_log(LOG_LEVEL_DEBUG, "send value error: %s %s", err_send_step, zbx_tcp_strerror());
}
ret:
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
return ret;
}
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_httptest *
* *
* Purpose: process single scenario of http test *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void process_httptest(DB_HTTPTEST *httptest)
{
const char *__function_name = "process_httptest";
DB_RESULT result;
DB_ROW row;
DB_HTTPSTEP httpstep;
char *err_str = NULL;
int lastfailedstep;
zbx_timespec_t ts;
ZBX_HTTPSTAT stat;
double speed_download = 0;
int speed_download_num = 0;
#ifdef HAVE_LIBCURL
int err, opt;
char auth[HTTPTEST_HTTP_USER_LEN_MAX + HTTPTEST_HTTP_PASSWORD_LEN_MAX];
CURL *easyhandle = NULL;
#endif
zabbix_log(LOG_LEVEL_DEBUG, "In %s() httptestid:" ZBX_FS_UI64 " name:'%s'",
__function_name, httptest->httptestid, httptest->name);
lastfailedstep = 0;
result = DBselect(
"select httpstepid,no,name,url,timeout,posts,cookies,required,status_codes"
" from httpstep"
" where httptestid=" ZBX_FS_UI64
" order by no",
httptest->httptestid);
#ifdef HAVE_LIBCURL
if (NULL == (easyhandle = curl_easy_init()))
{
err_str = zbx_strdup(err_str, "could not init cURL library");
zabbix_log(LOG_LEVEL_ERR, "web scenario \"%s\" error: %s", httptest->name, err_str);
goto clean;
}
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_COOKIEFILE, "")) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_USERAGENT, httptest->agent)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_FOLLOWLOCATION, 1L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_WRITEFUNCTION, WRITEFUNCTION2)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_HEADERFUNCTION, HEADERFUNCTION2)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_SSL_VERIFYPEER, 0L)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_SSL_VERIFYHOST, 0L)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario \"%s\" error: could not set cURL option [%d]: %s",
httptest->name, opt, err_str);
goto clean;
}
while (NULL != (row = DBfetch(result)))
{
/* NOTE: do not break or return from this block! */
/* process_step_data() call is required! */
ZBX_STR2UINT64(httpstep.httpstepid, row[0]);
httpstep.httptestid = httptest->httptestid;
httpstep.no = atoi(row[1]);
httpstep.name = row[2];
httpstep.url = zbx_strdup(NULL, row[3]);
httpstep.timeout = atoi(row[4]);
httpstep.posts = zbx_strdup(NULL, row[5]);
httpstep.cookies = zbx_strdup(NULL, row[6]);
httpstep.required = row[7];
httpstep.status_codes = row[8];
memset(&stat, 0, sizeof(stat));
http_substitute_macros(httptest->macros, &httpstep.url);
http_substitute_macros(httptest->macros, &httpstep.posts);
http_substitute_macros(httptest->macros, &httpstep.cookies);
zabbix_log(LOG_LEVEL_DEBUG, "%s() use step \"%s\"", __function_name, httpstep.name);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_POSTFIELDS, httpstep.posts)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario \"%s:%s\" error:"
" could not set cURL option [%d]: %s",
httptest->name, httpstep.name, opt, err_str);
goto httpstep_error;
}
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_COOKIE, httpstep.cookies)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario \"%s:%s\" error:"
" could not set cURL option [%d]: %s",
httptest->name, httpstep.name, opt, err_str);
goto httpstep_error;
}
if ('\0' != *httpstep.posts)
zabbix_log(LOG_LEVEL_DEBUG, "%s() use post \"%s\"", __function_name, httpstep.posts);
if ('\0' != *httpstep.cookies)
zabbix_log(LOG_LEVEL_DEBUG, "%s() use cookies \"%s\"", __function_name, httpstep.cookies);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_POST,
'\0' != *httpstep.posts ? 1L : 0L)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario \"%s:%s\" error:"
" could not set cURL option [%d]: %s",
httptest->name, httpstep.name, opt, err_str);
goto httpstep_error;
}
if (HTTPTEST_AUTH_NONE != httptest->authentication)
{
long curlauth = 0;
zabbix_log(LOG_LEVEL_DEBUG, "%s() setting HTTPAUTH [%d]",
__function_name, httptest->authentication);
zabbix_log(LOG_LEVEL_DEBUG, "%s() setting USERPWD for authentication", __function_name);
switch (httptest->authentication)
{
case HTTPTEST_AUTH_BASIC:
curlauth = CURLAUTH_BASIC;
break;
case HTTPTEST_AUTH_NTLM:
curlauth = CURLAUTH_NTLM;
break;
default:
THIS_SHOULD_NEVER_HAPPEN;
break;
}
zbx_snprintf(auth, sizeof(auth), "%s:%s", httptest->http_user, httptest->http_password);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_HTTPAUTH, curlauth)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_USERPWD, auth)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario step \"%s:%s\" error:"
" could not set cURL option [%d]: %s",
httptest->name, httpstep.name, opt, err_str);
goto httpstep_error;
}
}
zabbix_log(LOG_LEVEL_DEBUG, "%s() go to URL \"%s\"", __function_name, httpstep.url);
if (CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_URL, httpstep.url)) ||
CURLE_OK != (err = curl_easy_setopt(easyhandle, opt = CURLOPT_TIMEOUT, (long)httpstep.timeout)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario step \"%s:%s\" error:"
" could not set cURL option [%d]: %s",
httptest->name, httpstep.name, opt, err_str);
goto httpstep_error;
}
memset(&page, 0, sizeof(page));
if (CURLE_OK != (err = curl_easy_perform(easyhandle)))
{
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
zabbix_log(LOG_LEVEL_ERR, "web scenario step \"%s:%s\" error:"
" error doing curl_easy_perform: %s",
httptest->name, httpstep.name, err_str);
}
else
{
if ('\0' != *httpstep.required &&
NULL == zbx_regexp_match(page.data, httpstep.required, NULL))
{
zabbix_log(LOG_LEVEL_DEBUG, "%s() required pattern \"%s\" not found on %s",
__function_name, httpstep.required, httpstep.url);
err_str = zbx_strdup(err_str, "Required pattern not found");
}
if (CURLE_OK != (err = curl_easy_getinfo(easyhandle, CURLINFO_RESPONSE_CODE, &stat.rspcode)))
{
zabbix_log(LOG_LEVEL_ERR, "web scenario step \"%s:%s\" error:"
" error getting CURLINFO_RESPONSE_CODE: %s",
httptest->name, httpstep.name, curl_easy_strerror(err));
if (NULL == err_str)
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
}
else if ('\0' != *httpstep.status_codes &&
FAIL == int_in_list(httpstep.status_codes, stat.rspcode))
{
zabbix_log(LOG_LEVEL_DEBUG, "%s() status code did not match [%s]",
__function_name, httpstep.status_codes);
if (NULL == err_str)
err_str = zbx_strdup(err_str, "Status code did not match");
}
if (CURLE_OK != (err = curl_easy_getinfo(easyhandle, CURLINFO_TOTAL_TIME, &stat.total_time)))
{
zabbix_log(LOG_LEVEL_ERR, "web scenario step \"%s:%s\" error:"
" error getting CURLINFO_TOTAL_TIME: %s",
httptest->name, httpstep.name, curl_easy_strerror(err));
if (NULL == err_str)
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
}
if (CURLE_OK != (err = curl_easy_getinfo(easyhandle, CURLINFO_SPEED_DOWNLOAD, &stat.speed_download)))
{
zabbix_log(LOG_LEVEL_ERR, "web scenario step \"%s:%s\" error:"
" error getting CURLINFO_SPEED_DOWNLOAD: %s",
httptest->name, httpstep.name, curl_easy_strerror(err));
if (NULL == err_str)
err_str = zbx_strdup(err_str, curl_easy_strerror(err));
}
else
{
speed_download += stat.speed_download;
speed_download_num++;
}
}
zbx_free(page.data);
httpstep_error:
zbx_free(httpstep.posts);
zbx_free(httpstep.cookies);
zbx_free(httpstep.url);
zbx_timespec(&ts);
process_step_data(httpstep.httpstepid, &stat, &ts);
if (NULL != err_str)
{
lastfailedstep = httpstep.no;
break;
}
}
clean:
curl_easy_cleanup(easyhandle);
#else
err_str = zbx_strdup(err_str, "cURL library is required for Web monitoring support");
#endif /* HAVE_LIBCURL */
zbx_timespec(&ts);
if (0 == lastfailedstep && NULL != err_str)
{
/* we are here either because cURL initialization failed */
/* or we have been compiled without cURL library */
lastfailedstep = 1;
if (NULL != (row = DBfetch(result)))
{
ZBX_STR2UINT64(httpstep.httpstepid, row[0]);
memset(&stat, 0, sizeof(stat));
process_step_data(httpstep.httpstepid, &stat, &ts);
}
else
THIS_SHOULD_NEVER_HAPPEN;
}
DBfree_result(result);
DBexecute("update httptest set nextcheck=%d+delay where httptestid=" ZBX_FS_UI64,
ts.sec, httptest->httptestid);
if (0 != speed_download_num)
speed_download /= speed_download_num;
process_test_data(httptest->httptestid, lastfailedstep, speed_download, err_str, &ts);
zbx_free(err_str);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
}