/*************************************************************************//**
*
- * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
*
* Unless otherwise specified, all software contained herein is
* Licensed under the Apache License, Version 2.0 (the "License");
* How long we're prepared to wait for the API service to respond in
* seconds.
*****************************************************************************/
-static const int EVEL_API_TIMEOUT = 10;
+static const int EVEL_API_TIMEOUT = 5;
+
+/**************************************************************************//**
+ * Wait time if both the collectors are not responding
+ *****************************************************************************/
+static const int EVEL_COLLECTOR_RECONNECTION_WAIT_TIME = 120;
/*****************************************************************************/
/* Prototypes of locally scoped functions. */
static bool evel_token_equals_string(const MEMORY_CHUNK * const chunk,
const jsmntok_t * const json_token,
const char * check_string);
-static void * event_multi_handler(void * arg __attribute__ ((unused)));
+static EVEL_ERR_CODES evel_setup_curl();
+static EVEL_ERR_CODES evel_send_to_another_collector(const EVEL_EVENT_DOMAINS evel_domain, char * json_body, size_t json_size);
/**************************************************************************//**
* Buffers for error strings from libcurl.
*****************************************************************************/
static char curl_err_string[CURL_ERROR_SIZE] = "<NULL>";
-static char curl_err_string2[CURL_ERROR_SIZE] = "<NULL>";
/**************************************************************************//**
* Handle for the API into libcurl.
*****************************************************************************/
static CURL * curl_handle = NULL;
-static CURL * curl_handle2 = NULL;
-static CURLM * multi_handle = NULL;
int curr_global_handles = 0;
-int activmode = -1;
/**************************************************************************//**
* Special headers that we send.
*****************************************************************************/
static struct curl_slist * hdr_chunk = NULL;
-static struct curl_slist * hdr_chunk2 = NULL;
/**************************************************************************//**
* Message queue for sending events to the API.
static char * evel_bthrot_api_url;
static char * evel_bbatch_api_url;
-
+/**************************************************************************//**
+ * Storage for other CURL related parameters
+ *****************************************************************************/
+int evel_secure = -1;
+int evel_verbosity = -1;
+
+long evel_verify_peer = 0;
+long evel_verify_host = 0;
+
+static char * evel_source_ip = NULL;
+static char * evel_source_ip_bakup = NULL;
+static char * evel_cert_file_path = NULL;
+static char * evel_key_file_path = NULL;
+static char * evel_ca_info = NULL;
+static char * evel_ca_file_path = NULL;
+static char * evel_username = NULL;
+static char * evel_password = NULL;
+static char * evel_username2 = NULL;
+static char * evel_password2 = NULL;
+
+static long http_response_code = 0;
+static int evel_collector_id = 1;
/**************************************************************************//**
* Initialize the event handler.
*
const char * const source_ip_bakup,
int ring_buf_size,
int secure,
- int activitymode,
const char * const cert_file_path,
const char * const key_file_path,
const char * const ca_info,
int verbosity)
{
int rc = EVEL_SUCCESS;
- CURLcode curl_rc = CURLE_OK;
char batch_api_url[EVEL_MAX_URL_LEN + 1] = {0};
- char local_address[64];
EVEL_ENTER();
assert(password2 != NULL);
}
-
/***************************************************************************/
/* Store the API URLs. */
/***************************************************************************/
assert(evel_batch_api_url != NULL);
evel_throt_api_url = strdup(throt_api_url);
assert(evel_throt_api_url != NULL);
+
curr_global_handles = 1;
if( bakup_api_url != NULL )
{
evel_bevent_api_url = strdup(bakup_api_url);
assert(evel_bevent_api_url != NULL);
- sprintf(batch_api_url,"%s/eventBatch",event_api_url);
+ sprintf(batch_api_url,"%s/eventBatch",bakup_api_url);
evel_bbatch_api_url = strdup(batch_api_url);
assert(evel_bbatch_api_url != NULL);
evel_bthrot_api_url = strdup(throt_api_url);
curr_global_handles = 2;
}
+ /***************************************************************************/
+ /* Store other parameters */
+ /***************************************************************************/
+ evel_secure = secure;
+ evel_verbosity = verbosity;
+
+ evel_verify_peer = verify_peer;
+ evel_verify_host = verify_host;
+
+ evel_source_ip = NULL;
+ if (source_ip != NULL)
+ {
+ evel_source_ip = strdup(source_ip);
+ assert(evel_source_ip != NULL);
+ }
+
+ evel_source_ip_bakup = NULL;
+ if (source_ip_bakup != NULL)
+ {
+ evel_source_ip_bakup = strdup(source_ip_bakup);
+ assert(evel_source_ip_bakup != NULL);
+ }
+
+ evel_cert_file_path = NULL;
+ if (cert_file_path != NULL)
+ {
+ evel_cert_file_path = strdup(cert_file_path);
+ assert(evel_cert_file_path != NULL);
+ }
+
+ evel_key_file_path = NULL;
+ if (key_file_path != NULL)
+ {
+ evel_key_file_path = strdup(key_file_path);
+ assert(evel_key_file_path != NULL);
+ }
+
+ evel_ca_info = NULL;
+ if (ca_info != NULL)
+ {
+ evel_ca_info = strdup(ca_info);
+ assert(evel_ca_info != NULL);
+ }
+
+ evel_ca_file_path = NULL;
+ if (ca_file_path != NULL)
+ {
+ evel_ca_file_path = strdup(ca_file_path);
+ assert(evel_ca_file_path != NULL);
+ }
+
+ evel_username = NULL;
+ if (username != NULL)
+ {
+ evel_username = strdup(username);
+ assert(evel_username != NULL);
+ }
+
+ evel_password = NULL;
+ if (password != NULL)
+ {
+ evel_password = strdup(password);
+ assert(evel_password != NULL);
+ }
+
+ evel_username2 = NULL;
+ if (username2 != NULL)
+ {
+ evel_username2 = strdup(username2);
+ assert(evel_username2 != NULL);
+ }
+
+ evel_password2 = NULL;
+ if (password2 != NULL)
+ {
+ evel_password2 = strdup(password2);
+ assert(evel_password2 != NULL);
+ }
curl_version_info_data *d = curl_version_info(CURLVERSION_NOW);
/* compare with the 24 bit hex number in 8 bit fields */
else {
EVEL_INFO("Old Curl version.");
}
+
+ /***************************************************************************/
+ /* Initialize a message ring-buffer to be used between the foreground and */
+ /* the thread which sends the messages. This can't fail. */
+ /***************************************************************************/
+ if( ring_buf_size < EVEL_EVENT_BUFFER_DEPTH )
+ {
+ log_error_state("Warning: Failed to initialize Ring buffer size to %d. ",
+ ring_buf_size);
+ goto exit_label;
+ }
+ ring_buffer_initialize(&event_buffer, EVEL_EVENT_BUFFER_DEPTH);
+
+exit_label:
+
+ EVEL_EXIT();
+
+ return rc;
+
+}
+/**************************************************************************//**
+ * Setup the curl connection to collector
+ *
+ * Primarily responsible for getting CURL ready to send message. Also it would
+ * be used to swithch over to other collector
+ *****************************************************************************/
+static EVEL_ERR_CODES evel_setup_curl()
+{
+ int rc = EVEL_SUCCESS;
+ CURLcode curl_rc = CURLE_OK;
+ char local_address[64];
+ char * api_url = NULL;
+ char * username = NULL;
+ char * password = NULL;
+ char * source_ip = NULL;
+
+ EVEL_ENTER();
+
+ if (evel_collector_id > 2)
+ {
+ rc = EVEL_CURL_LIBRARY_FAIL;
+ log_error_state("Wrong evel_collector- value > 2");
+ goto exit_label;
+ }
+
+ /***************************************************************************/
+ /* Initialize the local variable with proper global variables that are */
+ /* required to setup the connection */
+ /***************************************************************************/
+ if (evel_collector_id == 1)
+ {
+ api_url = evel_event_api_url;
+ source_ip = evel_source_ip;
+ username = evel_username;
+ password = evel_password;
+ }
+ else if (evel_collector_id == 2)
+ {
+ api_url = evel_bevent_api_url;
+ source_ip = evel_source_ip_bakup;
+ username = evel_username2;
+ password = evel_password2;
+ }
+ /***************************************************************************/
+ /* Clean-up the cURL library. */
+ /***************************************************************************/
+ if (curl_handle != NULL)
+ {
+ curl_easy_cleanup(curl_handle);
+ curl_handle = NULL;
+ }
+ if (hdr_chunk != NULL)
+ {
+ curl_slist_free_all(hdr_chunk);
+ hdr_chunk = NULL;
+ }
+
/***************************************************************************/
/* Start the CURL library. Note that this initialization is not threadsafe */
/* which imposes a constraint that the EVEL library is initialized before */
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_handle2 = curl_easy_init();
- if (curl_handle2 == NULL)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to get backup libCURL handle");
- goto exit_label;
- }
- }
/***************************************************************************/
/* Prime the library to give friendly error codes. */
/***************************************************************************/
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_ERRORBUFFER,
- curl_err_string2);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL2 to provide friendly errors. "
- "Error code=%d", curl_rc);
- goto exit_label;
- }
- }
-
-
/***************************************************************************/
/* If running in verbose mode generate more output. */
/***************************************************************************/
- if (verbosity > 0)
+ if (evel_verbosity > 0)
{
curl_rc = curl_easy_setopt(curl_handle, CURLOPT_VERBOSE, 1L);
if (curl_rc != CURLE_OK)
"Error code=%d", curl_rc);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2, CURLOPT_VERBOSE, 1L);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL to be verbose. "
- "Error code=%d", curl_rc);
- goto exit_label;
- }
- }
-
}
-
-
/***************************************************************************/
/* Set the URL for the API. */
/***************************************************************************/
- curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, event_api_url);
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, api_url);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- EVEL_INFO("Initializing CURL to send events to: %s", event_api_url);
-
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_URL,
- bakup_api_url);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
+ EVEL_INFO("Initializing CURL to send events to: %s", api_url);
/***************************************************************************/
/* send all data to this function. */
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_WRITEFUNCTION,
- evel_write_callback);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
-
/***************************************************************************/
/* configure local ip address if provided */
}
}
}
- if( source_ip_bakup != NULL )
- {
- snprintf(local_address,sizeof(local_address),source_ip_bakup);
- if( local_address[0] != '\0' )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_INTERFACE,
- local_address);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize bakup libCURL with the local address. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
- }
/***************************************************************************/
/* configure SSL options for HTTPS transfers */
/***************************************************************************/
- if( secure )
+ if( evel_secure )
{
- if( cert_file_path != NULL )
+ if( evel_cert_file_path != NULL )
{
curl_rc = curl_easy_setopt(curl_handle,
CURLOPT_SSLCERT,
- cert_file_path);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the client cert. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_SSLCERT,
- cert_file_path);
+ evel_cert_file_path);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- }
}
- if( key_file_path != NULL )
+ if( evel_key_file_path != NULL )
{
curl_rc = curl_easy_setopt(curl_handle,
CURLOPT_SSLKEY,
- key_file_path);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the client key. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_SSLKEY,
- key_file_path);
+ evel_key_file_path);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- }
}
- if( ca_info != NULL )
+ if( evel_ca_info != NULL )
{
curl_rc = curl_easy_setopt(curl_handle,
CURLOPT_CAINFO,
- ca_info);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the CA cert file. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_CAINFO,
- ca_info);
+ evel_ca_info);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- }
}
- if( ca_file_path != NULL )
+ if( evel_ca_file_path != NULL )
{
curl_rc = curl_easy_setopt(curl_handle,
CURLOPT_CAPATH,
- ca_file_path);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the CA cert path. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_CAPATH,
- ca_file_path);
+ evel_ca_file_path);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- }
}
curl_rc = curl_easy_setopt(curl_handle,
CURLOPT_SSL_VERIFYPEER,
- verify_peer);
+ evel_verify_peer);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
}
curl_rc = curl_easy_setopt(curl_handle,
CURLOPT_SSL_VERIFYHOST,
- verify_host);
+ evel_verify_host);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_SSL_VERIFYPEER,
- verify_peer);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with SSL Server verification. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_SSL_VERIFYHOST,
- verify_host);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with Client host verification. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- }
}
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,
- CURLOPT_USERAGENT,
- "libcurl-agent/1.0");
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
/***************************************************************************/
/* Specify that we are going to POST data. */
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,CURLOPT_POST, 1L);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
/***************************************************************************/
/* we want to use our own read function. */
"function. Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,CURLOPT_READFUNCTION, read_callback);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
/***************************************************************************/
/* All of our events are JSON encoded. We also suppress the */
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- hdr_chunk2 = curl_slist_append(hdr_chunk2, "Content-type: application/json");
- hdr_chunk2 = curl_slist_append(hdr_chunk2, "Expect:");
- curl_rc = curl_easy_setopt(curl_handle2,CURLOPT_HTTPHEADER, hdr_chunk2);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
-
/***************************************************************************/
/* Set the timeout for the operation. */
"Error code=%d (%s)", curl_rc, curl_err_string);
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2,CURLOPT_TIMEOUT, EVEL_API_TIMEOUT);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- }
-
/***************************************************************************/
/* Set that we want Basic authentication with username:password Base-64 */
goto exit_label;
}
- if( bakup_api_url != NULL )
- {
- curl_rc = curl_easy_setopt(curl_handle2, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL for Basic Authentication. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- curl_rc = curl_easy_setopt(curl_handle2, CURLOPT_USERNAME, username2);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with username. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- curl_rc = curl_easy_setopt(curl_handle2, CURLOPT_PASSWORD, password2);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with password. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
-
- multi_handle = curl_multi_init();;
- if (multi_handle == NULL)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to get libCURL Multi handle");
- goto exit_label;
- }
- activmode = activitymode;
-
- }
-
-
- /***************************************************************************/
- /* Initialize a message ring-buffer to be used between the foreground and */
- /* the thread which sends the messages. This can't fail. */
- /***************************************************************************/
- if( ring_buf_size < EVEL_EVENT_BUFFER_DEPTH )
- {
- log_error_state("Warning: Failed to initialize Ring buffer size to %d. ",
- ring_buf_size);
- goto exit_label;
- }
- ring_buffer_initialize(&event_buffer, EVEL_EVENT_BUFFER_DEPTH);
-
/***************************************************************************/
/* Initialize the priority post buffer to empty. */
/***************************************************************************/
/* Start the event handler thread. */
/***************************************************************************/
evt_handler_state = EVT_HANDLER_INACTIVE;
- if( curr_global_handles <= 1 )
- pthread_rc = pthread_create(&evt_handler_thread, NULL, event_handler, NULL);
- else
- pthread_rc = pthread_create(&evt_handler_thread, NULL, event_multi_handler, NULL);
-
+ pthread_rc = pthread_create(&evt_handler_thread, NULL, event_handler, NULL);
if (pthread_rc != 0)
{
rc = EVEL_PTHREAD_LIBRARY_FAIL;
/***************************************************************************/
/* Clean-up the cURL library. */
/***************************************************************************/
- if (multi_handle != NULL)
- {
- curl_multi_cleanup(multi_handle);
- }
if (curl_handle != NULL)
{
curl_easy_cleanup(curl_handle);
curl_handle = NULL;
}
- if (curl_handle2 != NULL)
- {
- curl_easy_cleanup(curl_handle2);
- curl_handle2 = NULL;
- }
if (hdr_chunk != NULL)
{
curl_slist_free_all(hdr_chunk);
hdr_chunk = NULL;
}
- if (hdr_chunk2 != NULL)
- {
- curl_slist_free_all(hdr_chunk2);
- hdr_chunk2 = NULL;
- }
-
/***************************************************************************/
/* Free off the stored API URL strings. */
CURLcode curl_rc = CURLE_OK;
MEMORY_CHUNK rx_chunk;
MEMORY_CHUNK tx_chunk;
- int http_response_code = 0;
EVEL_ENTER();
/***************************************************************************/
/* Now run off and do what you've been told! */
/***************************************************************************/
+ http_response_code = 0;
+
curl_rc = curl_easy_perform(curl_handle);
if (curl_rc != CURLE_OK)
{
return(rc);
}
+/**************************************************************************//**
+ * Send event to another collector
+ *
+ * Identify the next collector and try sending the event to that collector
+ ****************************************************************************/
+static EVEL_ERR_CODES evel_send_to_another_collector(
+ const EVEL_EVENT_DOMAINS evel_domain,
+ char * json_body,
+ size_t json_size)
+{
+ int rc = EVEL_SUCCESS;
+ CURLcode curl_rc;
+
+ EVEL_ENTER();
+
+ if ((evel_collector_id == 1) && (curr_global_handles == 2))
+ {
+ evel_collector_id =2;
+ }
+ else if (evel_collector_id == 2)
+ {
+ evel_collector_id =1;
+ }
+
+ rc = evel_setup_curl();
+
+ if ( rc == EVEL_SUCCESS)
+ {
+ if (evel_collector_id == 1)
+ {
+ if (evel_domain == EVEL_DOMAIN_BATCH)
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_batch_api_url);
+ else
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_event_api_url);
+ }
+ else if (evel_collector_id == 2)
+ {
+ if (evel_domain == EVEL_DOMAIN_BATCH)
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_bbatch_api_url);
+ else
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_bevent_api_url);
+ }
+
+ rc = evel_post_api(json_body, json_size);
+ }
+
+ EVEL_EXIT();
+
+ return rc;
+}
+
/**************************************************************************//**
* Callback function to provide data to send.
*
return realsize;
}
-
-/**************************************************************************//**
- * Post an event to the Vendor Event Listener API.
- *
- * @returns Status code
- * @retval EVEL_SUCCESS On success
- * @retval "One of ::EVEL_ERR_CODES" On failure.
- *****************************************************************************/
-static EVEL_ERR_CODES evel_postmulti_message(char *msg, size_t size, int *still,
- CURL *handle, CURL *bhandle, int numhandles )
-{
- int rc = EVEL_SUCCESS;
- CURLcode curl_rc = CURLE_OK;
- MEMORY_CHUNK rx_chunk[2];
- MEMORY_CHUNK tx_chunk[2];
- int http_response_code = 0, i;
-
- EVEL_ENTER();
-
- EVEL_INFO("Sending :%s: %d\n",msg, numhandles);
-
- /***************************************************************************/
- /* Create the memory chunk to be used for the response to the post. The */
- /* will be realloced. */
- /***************************************************************************/
-for (i=0;i<numhandles;i++)
-{
- rx_chunk[i].memory = malloc(1);
- assert(rx_chunk[i].memory != NULL);
- rx_chunk[i].size = 0;
-
- /***************************************************************************/
- /* Create the memory chunk to be sent as the body of the post. */
- /***************************************************************************/
- tx_chunk[i].memory = msg;
- tx_chunk[i].size = size;
- EVEL_DEBUG("Sending chunk of size %d", tx_chunk[i].size);
-}
-
- /***************************************************************************/
- /* Point to the data to be received. */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(handle, CURLOPT_WRITEDATA, &rx_chunk[0]);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL rx to upload. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
-
- /***************************************************************************/
- /* Pointer to pass to our read function */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(handle, CURLOPT_READDATA, &tx_chunk[0]);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to set upload data for libCURL tx to upload. "
- "Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
- /***************************************************************************/
- /* Size of the data to transmit. */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(handle,
- CURLOPT_POSTFIELDSIZE,
- tx_chunk[0].size);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to set length of upload data for libCURL to "
- "upload. Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
-
-if(numhandles == 2)
-{
-
- /***************************************************************************/
- /* Point to the data to be received. */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(bhandle, CURLOPT_WRITEDATA, &rx_chunk[1]);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL2 rx to upload. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
-
- /***************************************************************************/
- /* Pointer to pass to our read function */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(bhandle, CURLOPT_READDATA, &tx_chunk[1]);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to set upload data for libCURL2 tx to upload. "
- "Error code=%d (%s)", curl_rc, curl_err_string2);
- goto exit_label;
- }
- /***************************************************************************/
- /* Size of the data to transmit. */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(bhandle,
- CURLOPT_POSTFIELDSIZE,
- tx_chunk[1].size);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to set length of upload data for libCURL2 to "
- "upload. Error code=%d (%s)", curl_rc, curl_err_string);
- goto exit_label;
- }
-
-}
-
- /***************************************************************************/
- /* Now run off and do what you've been told! */
- /***************************************************************************/
- curl_rc = curl_multi_perform(multi_handle, still);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to transfer an multi event to Vendor Event Listener! "
- "Error code=%d (%s)", curl_rc, curl_multi_strerror(curl_rc
-));
- EVEL_ERROR("Dropped event: %s", msg);
- goto exit_label;
- }
-
- /***************************************************************************/
- /* See what response we got - any 2XX response is good. */
- /***************************************************************************/
-
-exit_label:
- for (i=0;i<numhandles;i++)
- free(rx_chunk[i].memory);
- EVEL_EXIT();
-
- return(rc);
-}
-
-
-/**************************************************************************//**
- * Event Multi Post Handler.
- *
- * Watch for messages coming on the internal queue and send them to the
- * listener.
- *
- * param[in] jsonmsg json message to be sent.
- * param[in] size size of json message
- * param[in] currhandle Primary handle
- * param[in] url1 pimary url
- * param[in] bakkhandle Backup handle
- * param[in] url2 secondary url
- *****************************************************************************/
-static int evel_post_multiapi(char *jsonmsg, size_t size,CURL *currhandle, char *url1,
- CURL *bakkhandle, char *url2)
-{
- int rc = EVEL_SUCCESS;
- CURLcode curl_rc = 0;
- int nhandles = 1;
- int still_running,i;
- CURLMsg *msg; /* for picking up messages with the transfer status */
- int msgs_left; /* how many messages are left */
-
- /***************************************************************************/
- /* Set the URL for the API. */
- /***************************************************************************/
- curl_rc = curl_easy_setopt(currhandle, CURLOPT_URL, url1);
- if (curl_rc != CURLE_OK )
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the multi API URL. "
- "%s Error code=%d (%s)", url1, curl_rc, curl_err_string);
- }
-
- if( url2 != NULL && activmode == 1 )
- {
- curl_rc = curl_easy_setopt(bakkhandle, CURLOPT_URL, url2);
- if (curl_rc != CURLE_OK)
- {
- rc = EVEL_CURL_LIBRARY_FAIL;
- log_error_state("Failed to initialize libCURL with the API URL. "
- "%s Error code=%d (%s)", url2, curl_rc, curl_err_string2);
- }
- nhandles = 2;
- }
-
- /* we start some action by calling perform right away */
- curl_multi_add_handle(multi_handle, currhandle);
- if(nhandles==2){
- curl_multi_add_handle(multi_handle, bakkhandle);
- }
-
- /* we start some action by calling perform right away */
- curl_multi_perform(multi_handle, &still_running);
-
- do {
- struct timeval timeout;
- int rc; /* select() return code */
- CURLMcode mc; /* curl_multi_fdset() return code */
-
- fd_set fdread;
- fd_set fdwrite;
- fd_set fdexcep;
- int maxfd = -1;
-
- long curl_timeo = -1;
-
- FD_ZERO(&fdread);
- FD_ZERO(&fdwrite);
- FD_ZERO(&fdexcep);
-
- /* set a suitable timeout to play around with */
- timeout.tv_sec = 1;
- timeout.tv_usec = 0;
-
- curl_multi_timeout(multi_handle, &curl_timeo);
- if(curl_timeo >= 0) {
- timeout.tv_sec = curl_timeo / 1000;
- if(timeout.tv_sec > 1)
- timeout.tv_sec = 1;
- else
- timeout.tv_usec = (curl_timeo % 1000) * 1000;
- }
-
- /* get file descriptors from the transfers */
- mc = curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
-
- if(mc != CURLM_OK) {
- EVEL_ERROR("curl_multi_fdset() failed, code %d.\n", mc);
- break;
- }
-
- /* On success the value of maxfd is guaranteed to be >= -1. We call
- select(maxfd + 1, ...); specially in case of (maxfd == -1) there are
- no fds ready yet so we call select(0, ...) --or Sleep() on Windows--
- to sleep 100ms, which is the minimum suggested value in the
- curl_multi_fdset() doc. */
-
- if(maxfd == -1) {
-#ifdef _WIN32
- Sleep(100);
- rc = 0;
-#else
- /* Portable sleep for platforms other than Windows. */
- struct timeval wait = { 0, 300000 }; /* 250ms */
- rc = select(0, NULL, NULL, NULL, &wait);
-#endif
- }
- else {
- /* Note that on some platforms 'timeout' may be modified by select().
- If you need access to the original value save a copy beforehand. */
- rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
- }
-
- switch(rc) {
- case -1:
- /* select error */
- break;
- case 0: /* timeout */
- default: /* action */
- //curl_multi_perform(multi_handle, &still_running);
- evel_postmulti_message(jsonmsg, size, &still_running, currhandle, bakkhandle, nhandles);
- }
- } while(still_running);
-
- /* See how the transfers went */
- while((msg = curl_multi_info_read(multi_handle, &msgs_left))) {
- if(msg->msg == CURLMSG_DONE) {
- int idx, found = 0;
- EVEL_DEBUG("Transfer status - %s\n", curl_multi_strerror(msg->data.result));
-
- /* Find out which handle this message is about */
- for(idx = 0; idx<nhandles; idx++) {
- if (msg->easy_handle == currhandle) break;
- else if(msg->easy_handle == bakkhandle) break;
- }
-
- switch(idx) {
- case 0:
- curl_rc = msg->data.result;
- break;
- case 1:
- curl_rc = msg->data.result;
- break;
- }
- }
- }
-
- /* we start some action by calling perform right away */
- curl_multi_remove_handle(multi_handle, currhandle);
- if(nhandles==2){
- curl_multi_remove_handle(multi_handle, bakkhandle);
- }
-
- EVEL_DEBUG("Transfer completed with status %s\n", curl_multi_strerror(curl_rc));
- if( curl_rc == 0 || curl_rc == 55 )
- return EVEL_SUCCESS;
- else
- return EVEL_CURL_LIBRARY_FAIL;
-
-}
/**************************************************************************//**
* Event Handler.
*
*
* param[in] arg Argument - unused.
*****************************************************************************/
-static void * event_multi_handler(void * arg __attribute__ ((unused)))
+static void * event_handler(void * arg __attribute__ ((unused)))
{
int old_type = 0;
EVENT_HEADER * msg = NULL;
char json_body[EVEL_MAX_JSON_BODY];
int rc = EVEL_SUCCESS;
CURLcode curl_rc;
- CURL *currhandler = NULL;
- CURL *bakhandler = NULL;
- char *send_url = NULL;
- char *send_url2 = NULL;
+ int collector_down_count = 0;
+ int switch_coll = 0;
- EVEL_INFO("Event multi handler thread started");
+ EVEL_INFO("Event handler thread started");
/***************************************************************************/
/* Set this thread to be cancellable immediately. */
EVEL_ERROR("Event Handler State was not INACTIVE at start-up - "
"Handler will exit immediately!");
}
-
- currhandler = curl_handle;
- while (evt_handler_state == EVT_HANDLER_ACTIVE)
- {
- /*************************************************************************/
- /* Wait for a message to be received. */
- /*************************************************************************/
- msg = ring_buffer_read(&event_buffer);
-
- /*************************************************************************/
- /* Internal events get special treatment while regular events get posted */
- /* to the far side. */
- /*************************************************************************/
- if (msg->event_domain == EVEL_DOMAIN_BATCH )
- {
- EVEL_DEBUG("Batch event received");
-
- /***********************************************************************/
- /* Encode the event in JSON. */
- /***********************************************************************/
- json_size = evel_json_encode_batch_event(json_body, EVEL_MAX_JSON_BODY, msg);
-
- /***************************************************************************/
- /* Set the URL for the API. */
- /***************************************************************************/
- if( currhandler == curl_handle){
- send_url = evel_batch_api_url;
- send_url2 = evel_bbatch_api_url;
- bakhandler = curl_handle2;
- } else if(currhandler == curl_handle2) {
- send_url = evel_bbatch_api_url;
- send_url2 = evel_batch_api_url;
- bakhandler = curl_handle;
- }
-
- /***********************************************************************/
- /* Send the JSON across the API. */
- /***********************************************************************/
- EVEL_DEBUG("Sending Batch JSON of size %d is: %s", json_size, json_body);
- rc = evel_post_multiapi(json_body, json_size, currhandler, send_url, bakhandler, send_url2);
- if (rc != EVEL_SUCCESS)
- {
- EVEL_ERROR("Failed to transfer the data to %s. Error code=%d", send_url, rc);
- EVEL_INFO("Switched Collector ...");
- if( currhandler == curl_handle){
- currhandler = curl_handle2;
- bakhandler = curl_handle;
- } else if(currhandler == curl_handle2) {
- currhandler = curl_handle;
- bakhandler = curl_handle2;
- }
- rc = evel_post_multiapi(json_body, json_size, currhandler, send_url2, bakhandler,send_url);
- if (rc != EVEL_SUCCESS)
- EVEL_ERROR("Failed to transfer the data to failover %s. Error code=%d", send_url2, rc);
- }
- }
- else if (msg->event_domain != EVEL_DOMAIN_INTERNAL )
- {
- EVEL_DEBUG("External event received");
-
- /***********************************************************************/
- /* Encode the event in JSON. */
- /***********************************************************************/
- json_size = evel_json_encode_event(json_body, EVEL_MAX_JSON_BODY, msg);
-
- /***************************************************************************/
- /* Set the URL for the API. */
- /***************************************************************************/
- if( currhandler == curl_handle){
- send_url = evel_event_api_url;
- send_url2 = evel_bevent_api_url;
- bakhandler = curl_handle2;
- } else if(currhandler == curl_handle2) {
- send_url = evel_bevent_api_url;
- send_url2 = evel_event_api_url;
- bakhandler = curl_handle;
- }
-
- /***********************************************************************/
- /* Send the JSON across the API. */
- /***********************************************************************/
- EVEL_DEBUG("Sending Batch JSON of size %d is: %s", json_size, json_body);
- rc = evel_post_multiapi(json_body, json_size, currhandler, send_url, bakhandler, send_url2);
- if (rc != EVEL_SUCCESS)
- {
- EVEL_ERROR("Failed to transfer the data to %s. Error code=%d", send_url, rc);
- EVEL_INFO("Switched Collector ...");
- if( currhandler == curl_handle){
- currhandler = curl_handle2;
- bakhandler = curl_handle;
- } else if(currhandler == curl_handle2) {
- currhandler = curl_handle;
- bakhandler = curl_handle2;
- }
- rc = evel_post_multiapi(json_body, json_size, currhandler, send_url2, bakhandler,send_url);
- if (rc != EVEL_SUCCESS)
- EVEL_ERROR("Failed to transfer the data to failover %s. Error code=%d", send_url2, rc);
- }
-
- }
- else
- {
- EVEL_DEBUG("Internal event received");
- internal_msg = (EVENT_INTERNAL *) msg;
- assert(internal_msg->command == EVT_CMD_TERMINATE);
- evt_handler_state = EVT_HANDLER_TERMINATING;
- }
-
- /*************************************************************************/
- /* We are responsible for freeing the memory. */
- /*************************************************************************/
- evel_free_event(msg);
- msg = NULL;
-
- /*************************************************************************/
- /* There may be a single priority post to be sent. */
- /*************************************************************************/
- if (priority_post.memory != NULL)
- {
- EVEL_DEBUG("Priority Post");
-
- /***********************************************************************/
- /* Set the URL for the throttling API. */
- /***********************************************************************/
- curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_throt_api_url);
- if (curl_rc != CURLE_OK)
- {
- /*********************************************************************/
- /* This is only likely to happen with CURLE_OUT_OF_MEMORY, in which */
- /* case we carry on regardless. */
- /*********************************************************************/
- EVEL_ERROR("Failed to set throttling URL. Error code=%d", rc);
- }
- else
- {
- rc = evel_post_api(priority_post.memory, priority_post.size);
- if (rc != EVEL_SUCCESS)
- {
- EVEL_ERROR("Failed to transfer priority post. Error code=%d", rc);
- }
- }
-
- /***********************************************************************/
- /* Reinstate the URL for the event API. */
- /***********************************************************************/
- curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_event_api_url);
- if (curl_rc != CURLE_OK)
- {
- /*********************************************************************/
- /* This is only likely to happen with CURLE_OUT_OF_MEMORY, in which */
- /* case we carry on regardless. */
- /*********************************************************************/
- EVEL_ERROR("Failed to reinstate events URL. Error code=%d", rc);
- }
-
- /***********************************************************************/
- /* We are responsible for freeing the memory. */
- /***********************************************************************/
- free(priority_post.memory);
- priority_post.memory = NULL;
- }
- }
-
/***************************************************************************/
- /* The event handler is now exiting. The ring-buffer could contain events */
- /* which have not been processed, so deplete those. Because we've been */
- /* asked to exit we can be confident that the foreground will have stopped */
- /* sending events in so we know that this process will conclude! */
+ /* Set the connection to collector */
/***************************************************************************/
- evt_handler_state = EVT_HANDLER_TERMINATING;
- while (!ring_buffer_is_empty(&event_buffer))
+ while (true)
{
- EVEL_DEBUG("Reading event from buffer");
- msg = ring_buffer_read(&event_buffer);
- evel_free_event(msg);
- }
- evt_handler_state = EVT_HANDLER_TERMINATED;
- EVEL_INFO("Event handler thread stopped");
-
- return (NULL);
-}
-
+ evel_collector_id = 1;
+ rc = evel_setup_curl();
-/**************************************************************************//**
- * Event Handler.
- *
- * Watch for messages coming on the internal queue and send them to the
- * listener.
- *
- * param[in] arg Argument - unused.
- *****************************************************************************/
-static void * event_handler(void * arg __attribute__ ((unused)))
-{
- int old_type = 0;
- EVENT_HEADER * msg = NULL;
- EVENT_INTERNAL * internal_msg = NULL;
- int json_size = 0;
- char json_body[EVEL_MAX_JSON_BODY];
- int rc = EVEL_SUCCESS;
- CURLcode curl_rc;
-
- EVEL_INFO("Event handler thread started");
-
- /***************************************************************************/
- /* Set this thread to be cancellable immediately. */
- /***************************************************************************/
- pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &old_type);
-
- /***************************************************************************/
- /* Set the handler as active, defending against weird situations like */
- /* immediately shutting down after initializing the library so the */
- /* handler never gets started up properly. */
- /***************************************************************************/
- if (evt_handler_state == EVT_HANDLER_INACTIVE)
- {
- evt_handler_state = EVT_HANDLER_ACTIVE;
- }
- else
- {
- EVEL_ERROR("Event Handler State was not INACTIVE at start-up - "
- "Handler will exit immediately!");
+ if ( rc != EVEL_SUCCESS)
+ {
+ EVEL_ERROR("Failed to setup the first collector. Error code=%d", rc);
+ if (curr_global_handles == 2)
+ {
+ EVEL_DEBUG("Switching to other collector");
+
+ evel_collector_id = 2;
+
+ rc = evel_setup_curl();
+ if ( rc != EVEL_SUCCESS)
+ {
+ EVEL_ERROR("Failed to setup the connection to second collector also, Error code%d", rc);
+ sleep(EVEL_COLLECTOR_RECONNECTION_WAIT_TIME);
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collectors setup issue- retry count=%d", collector_down_count);
+ }
+ else
+ {
+ collector_down_count = 0;
+ break;
+ }
+ }
+ else
+ {
+ sleep(EVEL_COLLECTOR_RECONNECTION_WAIT_TIME);
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+ }
+ else
+ {
+ collector_down_count = 0;
+ break;
+ }
}
while (evt_handler_state == EVT_HANDLER_ACTIVE)
/***************************************************************************/
/* Set the URL for the API. */
/***************************************************************************/
- curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_batch_api_url);
+ if (evel_collector_id == 1)
+ {
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_batch_api_url);
+ }
+ else
+ {
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_bbatch_api_url);
+ }
+
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
/***********************************************************************/
EVEL_DEBUG("Sending Batch JSON of size %d is: %s", json_size, json_body);
rc = evel_post_api(json_body, json_size);
- if (rc != EVEL_SUCCESS)
+
+ switch_coll = 0;
+ if ((rc == EVEL_SUCCESS) && ((http_response_code / 100) != 2))
+ {
+ switch_coll = 1;
+ if (http_response_code == 400) // 400 - Bad JSON related return code
+ switch_coll = 0;
+ }
+
+ if ((rc != EVEL_SUCCESS) || (switch_coll == 1))
{
- EVEL_ERROR("Failed to transfer the data %s. Error code=%d", evel_batch_api_url, rc);
+ EVEL_ERROR("Failed to transfer the data. Error code=%d", rc);
+ EVEL_DEBUG("Switching to other collector if any");
+
+ while (true)
+ {
+ if (curr_global_handles == 2)
+ {
+ rc = evel_send_to_another_collector(msg->event_domain, json_body, json_size);
+
+ switch_coll = 0;
+ if ((rc == EVEL_SUCCESS) && ((http_response_code / 100) != 2))
+ {
+ switch_coll = 1;
+ if (http_response_code == 400) // 400 - Bad JSON related return code
+ switch_coll = 0;
+ }
+ if ((rc != EVEL_SUCCESS) || (switch_coll == 1))
+ {
+ sleep(EVEL_COLLECTOR_RECONNECTION_WAIT_TIME);
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+ else
+ {
+ break;
+ }
+ }
+ else
+ {
+ sleep(EVEL_COLLECTOR_RECONNECTION_WAIT_TIME);
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+
+ rc = evel_send_to_another_collector(msg->event_domain, json_body, json_size);
+
+ switch_coll = 0;
+ if ((rc == EVEL_SUCCESS) && ((http_response_code / 100) != 2))
+ {
+ switch_coll = 1;
+ if (http_response_code == 400) // 400 - Bad JSON related return code
+ switch_coll = 0;
+ }
+ if ((rc != EVEL_SUCCESS) || (switch_coll == 1))
+ {
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+ else
+ {
+ break;
+ }
+ }
}
}
else if (msg->event_domain != EVEL_DOMAIN_INTERNAL )
/***************************************************************************/
/* Set the URL for the API. */
/***************************************************************************/
- curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_event_api_url);
+ if (evel_collector_id == 1)
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_event_api_url);
+ else
+ curl_rc = curl_easy_setopt(curl_handle, CURLOPT_URL, evel_bevent_api_url);
if (curl_rc != CURLE_OK)
{
rc = EVEL_CURL_LIBRARY_FAIL;
/***********************************************************************/
EVEL_DEBUG("Sending JSON of size %d is: %s", json_size, json_body);
rc = evel_post_api(json_body, json_size);
- if (rc != EVEL_SUCCESS)
+
+ switch_coll = 0;
+ if ((rc == EVEL_SUCCESS) && ((http_response_code / 100) != 2))
+ {
+ switch_coll = 1;
+ if (http_response_code == 400) // 400 - Bad JSON related return code
+ switch_coll = 0;
+ }
+
+ if ((rc != EVEL_SUCCESS) || (switch_coll == 1))
{
- EVEL_ERROR("Failed to transfer the data %s. Error code=%d",evel_event_api_url, rc);
+ EVEL_ERROR("Failed to transfer the data. Error code=%d", rc);
+ EVEL_DEBUG("Switching to other collector if any");
+
+ while (true)
+ {
+ if (curr_global_handles == 2)
+ {
+ rc = evel_send_to_another_collector(msg->event_domain, json_body, json_size);
+
+ switch_coll = 0;
+ if ((rc == EVEL_SUCCESS) && ((http_response_code / 100) != 2))
+ {
+ switch_coll = 1;
+ if (http_response_code == 400) // 400 - Bad JSON related return code
+ switch_coll = 0;
+ }
+ if ((rc != EVEL_SUCCESS) || (switch_coll == 1))
+ {
+ sleep(EVEL_COLLECTOR_RECONNECTION_WAIT_TIME);
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+ else
+ {
+ break;
+ }
+ }
+ else
+ {
+ sleep(EVEL_COLLECTOR_RECONNECTION_WAIT_TIME);
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+
+ rc = evel_send_to_another_collector(msg->event_domain, json_body, json_size);
+
+ switch_coll = 0;
+ if ((rc == EVEL_SUCCESS) && ((http_response_code / 100) != 2))
+ {
+ switch_coll = 1;
+ if (http_response_code == 400) // 400 - Bad JSON related return code
+ switch_coll = 0;
+ }
+ if ((rc != EVEL_SUCCESS) || (switch_coll == 1))
+ {
+ collector_down_count = collector_down_count + 1;
+ EVEL_ERROR("Collector setup issue-retry count=%d", collector_down_count);
+ }
+ else
+ {
+ break;
+ }
+ }
}
}
else
}
else
{
- //EVEL_DEBUG("Decode JSON response tokens");
- //if (!evel_handle_response_tokens(chunk, json_tokens, num_tokens, post))
- //{
- // EVEL_ERROR("Failed to handle JSON response.");
- //}
+ EVEL_DEBUG("Decode JSON response tokens");
+ if (!evel_handle_response_tokens(chunk, json_tokens, num_tokens, post))
+ {
+ EVEL_ERROR("Failed to handle JSON response.");
+ }
}
EVEL_EXIT();
const int num_tokens,
MEMORY_CHUNK * const post)
{
- bool json_ok = false;
+ bool json_ok = true;
EVEL_ENTER();
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