gramps
373ebc8c93
952 days continuous production uptime, 40k+ tp/s single node. Original corpo Bitbucket history not included — clean archive commit.
598 lines
34 KiB
PHP
598 lines
34 KiB
PHP
<?php
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/**
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* wBroker.php -- write broker
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*
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* the write broker handles all destructive CRUD events for all of the framework classes.
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*
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* @author mike@givingassistant.org
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* @version 1.0
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*
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* HISTORY:
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* ========
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* 06-15-17 mks original coding
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* 08-22-17 mks CORE-500: publishing broker events as system events to ADMIN service
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* 09-11-17 mks CORE-501: new record requests: data count cannot exceed declared payload limits
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* 05-31-18 mks CORE-1011: update for new XML broker services configuration
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* 07-09-18 mks CORE-1017: pedigree fetch event added
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* 07-10-18 mks CORE-773: replaced echo statements with consoleLog()
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* 01-28-19 mks DB-107: fixed bug: if meta payload has event guid submitted, no longer overwriting it
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* 01-29-20 mks DB-145: router code for tercero requests added to default section in $callback method
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* 07-28-20 mks DB-156: broker self-registration installed
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* 09-17-20 mks DB-168: updated service registration, updated exception handling to current standard
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*
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*/
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use PhpAmqpLib\Connection\AMQPStreamConnection;
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use PhpAmqpLib\Channel\AMQPChannel;
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use PhpAmqpLib\Exception\AMQPRuntimeException;
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use PhpAmqpLib\Exception\AMQPTimeoutException;
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use PhpAmqpLib\Message\AMQPMessage;
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pcntl_async_signals(true); // enable asynchronous signal handling (PHP 7.1)
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$myPid = getmypid();
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$_REDIRECT = true;
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$topDir = dirname(__DIR__);
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$thisWatcher = basename(__FILE__);
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$thisWatcher = rtrim($thisWatcher, ".php");
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// load the framework
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@require_once($topDir . '/config/sneakerstrap.inc'); // can't be constants b/c this loads the constants
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$childrenPidList = null; // contains list of the pids of the children spawned by this watcher
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$pidDir = $topDir . DIR_PIDS;
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$eos = (isset($_SERVER['HTTP_USER_AGENT'])) ? '<br />' : PHP_EOL;
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$res = 'WBRK: ';
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// event management
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$appServerConfig = gasConfig::$settings[CONFIG_BROKER_SERVICES][CONFIG_BROKER_APPSERVER];
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$numberChildren = $appServerConfig[CONFIG_BROKER_INSTANCES][CONFIG_BROKER_W_BROKER];
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$requestsPerInstance = (empty($appServerConfig[CONFIG_BROKER_REQUEST_LIMIT])) ? NUMBER_C : $appServerConfig[CONFIG_BROKER_REQUEST_LIMIT];
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$numberChildren = ($numberChildren < 1) ? 1 : $numberChildren;
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$runningBrokers = $numberChildren;
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$requestCounter = 0;
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$myRequestsPerInstance = 0;
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$startingMemory = 0;
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// create the root guid
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$groot = rtrim($res, COLON) . UDASH . guid(); // root guid
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consoleLog($res, CON_SUCCESS,sprintf(INFO_BROKER_STARTUP, substr(basename(__FILE__), 0, -4), $groot));
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/** @var gacErrorLogger $parentLog */
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$parentLog = new gacErrorLogger();
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// get the location of the broker is supposed to be run
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$brokerLocation = (!empty($argv) and !empty($argv[1])) ? $argv[1] : ENV_APPSERVER;
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$errors = null;
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$file = rtrim(basename(__FILE__), DOT . FILE_TYPE_PHP);
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$service = CONFIG_BROKER_APPSERVER;
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if (!validateService($service, $errors)) {
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$hdr = sprintf(INFO_LOC, $file, __LINE__);
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$msg = sprintf(ERROR_SERVICE_REG, $file, $service);
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$parentLog->fatal($hdr . $msg);
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$parentLog->__destruct();
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unset($parentLog);
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exit(1);
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}
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///////////////////////////////////////////////////////////////////////////////
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// set-up the replacement signal handler that will be called on a child's death
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///////////////////////////////////////////////////////////////////////////////
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//declare( ticks = 1);
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function sigHandler($_sig) {
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global $numberChildren;
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switch ($_sig) {
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case SIGCHLD :
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$numberChildren--;
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while (($pid = pcntl_wait($_sig, WNOHANG)) > 0) {
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@pcntl_wexitstatus($_sig);
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}
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break;
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}
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}
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pcntl_signal(SIGCLD, 'sigHandler');
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//////////////////////////////////////////////////////////////////////////////////////
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// set-up the forking function so that it can be called initially or on a SIGCLD event
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//////////////////////////////////////////////////////////////////////////////////////
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function forkMe()
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{
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global $thisWatcher, $eos, $res, $parentLog, $requestsPerInstance, $myRequestsPerInstance, $startingMemory, $groot;
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$myRequestsPerInstance = $requestsPerInstance + (mt_rand(0, 2) * 10) + mt_rand(1, 9);
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$startingMemory = memory_get_usage(true);
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$thisPid = pcntl_fork();
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switch ($thisPid) {
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case -1 : // error!!!
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$cmsg = ERROR_FORK_FAILED . $thisWatcher;
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$parentLog->fatal($cmsg);
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die(getDateTime() . CON_ERROR . $res . $cmsg . $eos);
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break;
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case 0 : // child (broker daemon)
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try {
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// replace the signal handlers in the child code
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pcntl_signal(SIGCLD, SIG_DFL);
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$thisPid = getmypid();
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// generate a child guid for the forked child...
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$childGUID = rtrim($res, COLON) . UDASH . guid();
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// toss the childGUID unto cache because it does not propagate down to the callback method
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gasCache::sysAdd(($groot . UDASH . $thisPid), $childGUID);
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// init the child log
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/** @var gacErrorLogger $childLog */
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$childLog = new gacErrorLogger();
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// ---- broker code begins ---- //
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$queueTag = gasConfig::$settings[CONFIG_BROKER_SERVICES][CONFIG_BROKER_QUEUE_TAG];
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//$exchange = BROKER_EXCHANGE_WO;
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$queue = $queueTag . BROKER_QUEUE_W;
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/** @var AMQPStreamConnection $brokerConnection */
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$brokerConnection = gasResourceManager::fetchResource(RESOURCE_BROKER);
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if (is_null($brokerConnection)) {
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$childLog->fatal(ERROR_RESOURCE_404 . RESOURCE_BROKER);
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consoleLog($res, CON_ERROR, ERROR_RESOURCE_404 . RESOURCE_BROKER);
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exit(0);
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}
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/** @var AMQPChannel $brokerChannel */
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$brokerChannel = $brokerConnection->channel(); // params: queue name, passive, durable, exclusive, auto-delete
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$brokerChannel->queue_declare($queue, BROKER_QUEUE_DECLARE_PASSIVE, false, false, true);
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} catch (PhpAmqpLib\Exception\AMQPRuntimeException | Throwable | TypeError $t) {
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$hdr = basename(__FILE__) . AT . __LINE__ . COLON;
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@handleExceptionMessaging($hdr, $t->getMessage(), $foo, true);
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exit(1);
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}
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// register the child-spawn event
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$data = [
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SYSTEM_EVENT_NAME => SYSEV_NAME_CHILD_REG,
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SYSTEM_EVENT_TYPE => SYSEV_TYPE_BROKER,
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SYSTEM_EVENT_BROKER_ROOT_GUID => $groot,
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SYSTEM_EVENT_BROKER_GUID => $childGUID,
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SYSTEM_EVENT_KEY => SYSEV_CHILD_RPI,
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SYSTEM_EVENT_VAL => $myRequestsPerInstance,
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SYSTEM_EVENT_CODE_LOC => basename(__FILE__) . COLON . __LINE__
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];
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@postSystemEvent($data, $childGUID, $childLog);
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register_shutdown_function(BROKER_SHUTDOWN_FUNCTION, $brokerChannel, $brokerConnection, $res);
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$callback = function($_request)
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{
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$startTime = gasStatic::doingTime();
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global $requestCounter, $res, $eos, $myRequestsPerInstance, $startingMemory, $groot, $service, $file;
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/** @var AMQPChannel $brokerChannel */
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global $brokerChannel;
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/** @var PhpAmqpLib\Connection\AMQPStreamConnection $brokerConnection */
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global $brokerConnection;
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$requestCounter++;
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$aryRetData = null;
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$retData = null;
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$request = null;
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$eos = (isset($_SERVER['HTTP_USER_AGENT'])) ? '<br />' : PHP_EOL;
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$res = 'WBRK: ';
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$eventSuccess = false;
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$conMsg = '';
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$errorList = array();
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$eventGUID = guid();
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// $request[BROKER_META_DATA][META_EVENT_GUID] = $eventGUID; // inject the event guid
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$thisPid = getmypid();
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$childGUID = gasCache::sysGet(($groot . UDASH . getmypid()));
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$eventTimer = false; // certain events will toggle to true to log timer recording for the broker event
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// set-up the call-back logger
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/** @var gacErrorLogger $callBackLog */
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$callBackLog = new gacErrorLogger($eventGUID);
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if (!firstPassPayloadValidation($_request, $service, $msg, $request, $eventGUID)) {
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$conMsg = $msg;
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$callBackLog->info($res . $msg);
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$aryRetData = buildReturnPayload([false, STATE_FAIL, null, $msg, null]);
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$event = BROKER_QUEUE_W . '(' . ERROR_DATA_VALIDATION_FIRST_PASS . ')';
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} elseif (!validateMetaData($request, $errorList)) {
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for ($index = 0, $last = count($errorList); $index < $last; $index++) {
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$conMsg .= $errorList[$index] . $eos;
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$callBackLog->error($errorList[$index]);
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}
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$conMsg = rtrim($conMsg, $eos);
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$aryRetData = buildReturnPayload([false, STATE_META_ERROR, $errorList, null, null]);
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$event = BROKER_QUEUE_W . '(' . ERROR_META_VALIDATION_SECOND_PASS . ')';
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} else {
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$event = BROKER_QUEUE_W . '(' . $request[BROKER_REQUEST] . ')';
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if (is_null($request)) {
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consoleLog($res, CON_ERROR, ERROR_BROKER_REQUEST_404);
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}
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// DB-57: stash the broker guids in the meta for audit and journaling
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$request[META_BROKER_CHILD_GUID] = $childGUID;
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$request[META_BROKER_GROOT] = $groot;
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switch ($request[BROKER_REQUEST]) {
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// shutdown gracefully
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case BROKER_REQUEST_SHUTDOWN :
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$_request->delivery_info[BROKER_CHANNEL]->basic_cancel($_request->delivery_info[BROKER_DELIVERY_TAG]);
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$conMsg = SUCCESS_SHUTDOWN;
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$aryRetData = buildReturnPayload([true, STATE_SUCCESS, null, BROKER_REQUEST_SHUTDOWN]);
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$eventSuccess = true;
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break;
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// test broker responsiveness
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case BROKER_REQUEST_PING :
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$conMsg = SUCCESS_PING . BROKER_QUEUE_W;
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$aryRetData = buildReturnPayload([true, STATE_SUCCESS, null, SUCCESS_PING . BROKER_QUEUE_W]);
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$eventSuccess = true;
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break;
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case BROKER_REQUEST_PEDIGREE :
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$conMsg = SUCCESS_EVENT . BROKER_REQUEST_PEDIGREE;
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$aryRetData = buildReturnPayload([true, STATE_SUCCESS, null, gasConfig::getPedigree()]);
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$eventSuccess = true;
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break;
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// create new record event
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case BROKER_REQUEST_CREATE :
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$eventTimer = true;
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$conMsg = '';
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// validate that we have a data-template in meta
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_META_ERROR, ERROR_TEMPLATE_FILE_404, BROKER_REQUEST_CREATE]);
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} else {
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$bh = new gacBrokerHelper();
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$eventSuccess = $bh->create($request, $aryRetData, $conMsg);
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unset($bh);
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}
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break;
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case BROKER_REQUEST_UPDATE :
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$eventTimer = true;
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$conMsg = '';
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_FAIL, ERROR_TEMPLATE_FILE_404, null]);
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} else {
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$bh = new gacBrokerHelper();
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$eventSuccess = $bh->update($request, $aryRetData, $conMsg);
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unset($bh);
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}
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break;
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case BROKER_REQUEST_DELETE :
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$eventTimer = true;
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_FAIL, ERROR_TEMPLATE_FILE_404, null]);
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} else {
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$bh = new gacBrokerHelper();
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$eventSuccess = $bh->delete($request, $aryRetData, $conMsg);
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unset($bh);
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}
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break;
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// sub-collection events
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case BROKER_REQUEST_SUBC_CREATE :
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$eventTimer = true;
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$errors = array();
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_FAIL, ERROR_TEMPLATE_FILE_404, null]);
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} else {
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// CORE-501: validate the number of incoming records
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$qrl = intval(gasConfig::$settings[CONFIG_DATABASE][CONFIG_DATABASE_QUERY_RECORD_LIMIT]);
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if (count($request[BROKER_DATA][STRING_DATA]) > $qrl) {
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$msg = ERROR_RECORD_LIMIT_EXCEEDED . $qrl;
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$callBackLog->data($msg);
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$aryRetData = buildReturnPayload([false, STATE_DATA_ERROR, $msg, null]);
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} else {
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/** @var gacMongoDB $objClass */
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if (is_null($objClass = grabWidget($request[BROKER_META_DATA], '', $errorList))) {
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foreach ($errorList as $error)
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$callBackLog->error($error);
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} else {
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$objClass->pushSubCollectionEvent($request[BROKER_DATA]);
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if ($objClass->status) {
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$conMsg = SUCCESS_EVENT . BROKER_REQUEST_SUBC_CREATE;
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$eventSuccess = true;
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$queryResults = (!gasCache::mapOutboundPayload($objClass, $errors)) ? $objClass->getData() : $objClass->getCK();
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$aryRetData = buildReturnPayload([true, STATE_SUCCESS, null, $queryResults]);
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} else {
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$conMsg = FAIL_EVENT . BROKER_REQUEST_SUBC_CREATE;
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$aryRetData = buildReturnPayload([false, $objClass->state, $objClass->eventMessages, null]);
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}
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if (is_object($objClass)) $objClass->__destruct();
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unset($objClass);
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}
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}
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}
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break;
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case BROKER_REQUEST_SUBC_DELETE :
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$eventTimer = true;
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$errors = array();
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_FAIL, ERROR_TEMPLATE_FILE_404, null]);
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} else {
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/** @var gacMongoDB $objClass */
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if (is_null($objClass = grabWidget($request[BROKER_META_DATA], '', $errorList))) {
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foreach ($errorList as $error)
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$callBackLog->error($error);
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} else {
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$objClass->popSubCollection($request[BROKER_DATA]);
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if ($objClass->status) {
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$conMsg = SUCCESS_EVENT . BROKER_REQUEST_SUBC_DELETE;
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$eventSuccess = true;
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$queryResults = (!gasCache::mapOutboundPayload($objClass, $errors)) ? $objClass->getData() : $objClass->getCK();
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$aryRetData = buildReturnPayload([true, $objClass->state, $objClass->eventMessages, $queryResults]);
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} else {
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$conMsg = FAIL_EVENT . BROKER_REQUEST_SUBC_DELETE;
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$aryRetData = buildReturnPayload([false, $objClass->state, $objClass->eventMessages, null]);
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}
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if (is_object($objClass)) $objClass->__destruct();
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unset($objClass);
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}
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}
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break;
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case BROKER_REQUEST_CALL_SP :
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$eventTimer = true;
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$errors = array();
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_FAIL, ERROR_TEMPLATE_FILE_404, null]);
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} else {
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/** @var gacPDO $objClass */
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if (is_null($objClass = grabWidget($request[BROKER_META_DATA], '', $errorList))) {
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foreach ($errorList as $error)
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$callBackLog->error($error);
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} else {
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if ($objClass->schema != TEMPLATE_DB_PDO) {
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$msg = sprintf(ERROR_PDO_INVALID_EVENT, $request[BROKER_REQUEST], $objClass->class);
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$conMsg = $msg;
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$errors[] = $msg;
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$aryRetData = buildReturnPayload([false, FAIL_EVENT, $errors, null]);
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$callBackLog->error($msg);
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} else {
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$objClass->execSP($request[BROKER_DATA]);
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if ($objClass->status) {
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$conMsg = SUCCESS_EVENT . $request[BROKER_REQUEST];
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$eventSuccess = true;
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$aryRetData = buildReturnPayload([true, $objClass->state, $objClass->eventMessages, $objClass->queryResults]);
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} else {
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$conMsg = FAIL_EVENT . $request[BROKER_REQUEST];
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$aryRetData = buildReturnPayload([false, $objClass->state, $objClass->eventMessages, null]);
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}
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}
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if (is_object($objClass)) $objClass->__destruct();
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unset($objClass);
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}
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}
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break;
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case BROKER_REQUEST_WAREHOUSE :
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$eventTimer = true;
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$objClass = new gacBrokerClient(BROKER_QUEUE_WH, basename(__FILE__) . COLON_NS . __LINE__);
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if (!$objClass->status or is_null($objClass)) {
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$error = ERROR_BROKER_CLIENT_DECLARE . BROKER_QUEUE_WH . EVENT_TYPE . COLON . BROKER_REQUEST_WAREHOUSE;
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$conMsg = $error;
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$aryRetData = buildReturnPayload([false, STATE_RESOURCE_ERROR, $error, null]);
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} else {
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$response = json_decode(gzuncompress($objClass->call($_request->body)), true);
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if (!$response[PAYLOAD_STATUS]) {
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$conMsg = FAIL_EVENT . $request[BROKER_REQUEST];
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$aryRetData = buildReturnPayload([false, $response[PAYLOAD_STATE], $response[PAYLOAD_DIAGNOSTICS], $response[PAYLOAD_RESULTS]]);
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} else {
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$eventSuccess = true;
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$conMsg = SUCCESS_EVENT . $request[BROKER_REQUEST];
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$aryRetData = buildReturnPayload([true, STATE_SUCCESS, $response[PAYLOAD_DIAGNOSTICS], $response[PAYLOAD_RESULTS]]);
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}
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}
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if (is_object($objClass)) $objClass->__destruct();
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unset($objClass);
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break;
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case BROKER_REQUEST_TERCERO :
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$eventTimer = true;
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try {
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if (!isset($request[OLD_REQUEST])) {
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$conMsg = sprintf(ERROR_REQ_FIELD_404, OLD_REQUEST);
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$aryRetData = buildReturnPayload([false, STATE_DATA_ERROR, $conMsg, null]);
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break;
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}
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// just as a reminder, we don't check for the existence of META_TEMPLATE in the validateMetaData()
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// function because not all events require it - hence the seemingly repetitive check in the event code.
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if (!isset($request[BROKER_META_DATA][META_TEMPLATE]) or empty($request[BROKER_META_DATA][META_TEMPLATE])) {
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$conMsg = ERROR_TEMPLATE_FILE_404;
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$aryRetData = buildReturnPayload([false, STATE_META_ERROR, ERROR_TEMPLATE_FILE_404, null]);
|
|
} else {
|
|
// this is a request for tercero - replace the event, instantiate a tercero client,
|
|
// and cross-service publish the request and return the response back to the caller
|
|
$request[BROKER_REQUEST] = $request[OLD_REQUEST];
|
|
unset($request[OLD_REQUEST]);
|
|
$bc = new gacBrokerClient(BROKER_QUEUE_U, sprintf(INFO_LOC, basename(__FILE__), __LINE__));
|
|
if (!$bc->status) {
|
|
$conMsg = ERROR_BROKER_CLIENT_DECLARE . BROKER_QUEUE_U;
|
|
$aryRetData = buildReturnPayload([false, STATE_FRAMEWORK_WARNING, $conMsg, null]);
|
|
} else {
|
|
$aryRetData = json_decode(gzuncompress($bc->call(gzcompress(json_encode($request)))), true);
|
|
if ($aryRetData[PAYLOAD_STATUS]) {
|
|
$eventSuccess = true;
|
|
$conMsg = SUCCESS_EVENT . $request[BROKER_REQUEST] . ' for ' . BROKER_TERCERO;
|
|
} else {
|
|
$conMsg = FAIL_EVENT . $request[BROKER_REQUEST] . ' for ' . BROKER_TERCERO;
|
|
}
|
|
}
|
|
if (is_object($bc)) $bc->__destruct();
|
|
unset($bc);
|
|
}
|
|
} catch (Throwable | TypeError | AMQPRuntimeException $t) {
|
|
$hdr = sprintf(INFO_LOC, $file, __LINE__);
|
|
@handleExceptionMessaging($hdr, $t->getMessage(), $foo, true);
|
|
$aryRetData = buildReturnPayload([false. STATE_FRAMEWORK_WARNING, ERROR_EXCEPTION, null]);
|
|
$conMsg = ERROR_EXCEPTION;
|
|
}
|
|
break;
|
|
|
|
case BROKER_REQUEST_NULL_FIELD :
|
|
default :
|
|
// check for user template in meta payload and, if exists, publish the request to the user
|
|
// and pass the return payload back to the requesting client
|
|
if (isset($request[BROKER_META_DATA][META_TEMPLATE]) and $request[BROKER_META_DATA][META_TEMPLATE] == TEMPLATE_CLASS_USERS) {
|
|
$ubc = new gacBrokerClient(BROKER_QUEUE_U, basename(__FILE__) . AT . __LINE__);
|
|
if (!$ubc->status) {
|
|
$msg = sprintf(INFO_LOC, basename(__FILE__), __LINE__) . ERROR_BROKER_CLIENT_DECLARE . BROKER_QUEUE_U;
|
|
$conMsg = $msg;
|
|
$aryRetData = buildReturnPayload([false, STATE_FRAMEWORK_FAIL, null, $msg]);
|
|
} else {
|
|
$response = $ubc->call($request);
|
|
$response = json_decode(gzuncompress($response), true);
|
|
$aryRetData = buildReturnPayload([$response[PAYLOAD_STATUS], $response[PAYLOAD_STATE], $response[PAYLOAD_DIAGNOSTICS], $response[PAYLOAD_RESULTS]]);
|
|
if ($response[PAYLOAD_STATUS]) {
|
|
$conMsg = SUCCESS_EVENT;
|
|
$eventSuccess = true;
|
|
} else $conMsg = FAIL_EVENT;
|
|
$conMsg .= $request[BROKER_REQUEST];
|
|
if (is_object($ubc)) $ubc->__destruct();
|
|
unset($ubc);
|
|
}
|
|
} else {
|
|
$msg = ERROR_EVENT_404 . $request[BROKER_REQUEST];
|
|
$conMsg = $msg;
|
|
$aryRetData = buildReturnPayload([false, STATE_DOES_NOT_EXIST, null, $msg]);
|
|
}
|
|
break;
|
|
}
|
|
|
|
unset($aryRetData[PAYLOAD_CM]);
|
|
if (is_null($aryRetData[PAYLOAD_DIAGNOSTICS])) unset($aryRetData[PAYLOAD_DIAGNOSTICS]);
|
|
}
|
|
|
|
// ensure we have a return-payload and a console message
|
|
if (empty($aryRetData)) {
|
|
$conMsg = BROKER_QUEUE_W . ' - ' . ERROR_NO_RET_DATA;
|
|
$aryRetData = buildReturnPayload([false, STATE_FRAMEWORK_FAIL, null, $msg, null]);
|
|
} elseif ($eventSuccess and empty($conMsg)) {
|
|
$conMsg = SUCCESS_EVENT . $request[BROKER_REQUEST] . ' - ' . STATE_SUCCESS;
|
|
} elseif (!$eventSuccess and empty($conMsg)) {
|
|
$conMsg = FAIL_EVENT . $request[BROKER_REQUEST] . ' - ' . STATE_FAIL;
|
|
}
|
|
|
|
// prepare the return payload...
|
|
try {
|
|
/** @noinspection PhpUndefinedMethodInspection */
|
|
$msg = new AMQPMessage(gzcompress(json_encode($aryRetData)), array(BROKER_CORRELATION_ID => $_request->get(BROKER_CORRELATION_ID)));
|
|
/** @noinspection PhpUndefinedMethodInspection */
|
|
$_request->delivery_info[BROKER_CHANNEL]->basic_publish($msg, '', $_request->get(BROKER_REPLY_TO));
|
|
$_request->delivery_info[BROKER_CHANNEL]->basic_ack($_request->delivery_info[BROKER_DELIVERY_TAG]);
|
|
} catch (AMQPTimeoutException | AMQPRuntimeException | TypeError | Throwable $t) {
|
|
$hdr = sprintf(INFO_LOC, $file, __LINE__);
|
|
@handleExceptionMessaging($hdr, $t->getMessage(), $foo, true);
|
|
}
|
|
|
|
// if the event processing failed, we want to publish the failed event to the admin queue
|
|
// if (!$eventSuccess) {
|
|
// todo - CORE-452 - publish the event(payload) to the admin queue to capture the failed event
|
|
// }
|
|
unset($msg);
|
|
consoleLog($res, (($eventSuccess) ? CON_SUCCESS : CON_ERROR), $conMsg . sprintf(ERROR_EVENT_COUNT,$requestCounter, $myRequestsPerInstance));
|
|
|
|
// publish metrics if we've toggled the switch on
|
|
if ($eventTimer) {
|
|
// get the broker-event processing time
|
|
$eventTime = gasStatic::doingTime($startTime);
|
|
$data = [
|
|
SYSTEM_EVENT_NAME => SYSEV_NAME_EVENT_TIMER,
|
|
SYSTEM_EVENT_TYPE => SYSEV_TYPE_BROKER,
|
|
SYSTEM_EVENT_BROKER_ROOT_GUID => $groot,
|
|
SYSTEM_EVENT_BROKER_GUID => $childGUID,
|
|
DB_EVENT_GUID => $eventGUID,
|
|
SYSTEM_EVENT_COUNT => $requestCounter,
|
|
SYSTEM_EVENT_COUNT_TOTAL => $myRequestsPerInstance,
|
|
SYSTEM_EVENT_TIMER => $eventTime,
|
|
SYSTEM_EVENT_BROKER_EVENT => $event,
|
|
SYSTEM_EVENT_META_DATA => $request[BROKER_META_DATA],
|
|
SYSTEM_EVENT_CODE_LOC => basename(__FILE__) . COLON . __LINE__
|
|
];
|
|
if (!empty($childGUID)) $data[SYSTEM_EVENT_OGUID] = $childGUID;
|
|
@postSystemEvent($data, $childGUID, $callBackLog);
|
|
}
|
|
|
|
// post a broker system-event if we're recycling the broker
|
|
if ($requestCounter >= $myRequestsPerInstance) {
|
|
if (getmypid() == $thisPid) {
|
|
$meta = [
|
|
META_SESSION_IP => STRING_SESSION_HOME,
|
|
META_SESSION_DAEMON => 1,
|
|
META_SESSION_MISC => INFO_BROKER_RECYCLE,
|
|
META_EVENT_GUID => $eventGUID
|
|
];
|
|
$data = [
|
|
SYSTEM_EVENT_NAME => SYSEV_NAME_BROKER_RECYCLE,
|
|
SYSTEM_EVENT_TYPE => SYSEV_TYPE_BROKER,
|
|
SYSTEM_EVENT_BROKER_ROOT_GUID => $groot,
|
|
SYSTEM_EVENT_BROKER_GUID => $childGUID,
|
|
DB_EVENT_GUID => $eventGUID,
|
|
SYSTEM_EVENT_START => $startingMemory,
|
|
SYSTEM_EVENT_PEAK => memory_get_peak_usage(true),
|
|
SYSTEM_EVENT_END => memory_get_usage(true),
|
|
SYSTEM_EVENT_BROKER_EVENT => $event,
|
|
SYSTEM_EVENT_COUNT => $requestCounter,
|
|
SYSTEM_EVENT_COUNT_TOTAL => $myRequestsPerInstance,
|
|
SYSTEM_EVENT_META_DATA => $meta,
|
|
SYSTEM_EVENT_CODE_LOC => basename(__FILE__) . COLON . __LINE__
|
|
];
|
|
@postSystemEvent($data, $eventGUID, $callBackLog);
|
|
}
|
|
consoleLog($res, CON_SYSTEM, INFO_BROKER_REQ_COUNT);
|
|
if (is_object($brokerChannel)) $brokerChannel->close();
|
|
if (is_object($brokerConnection)) $brokerConnection->close();
|
|
exit(0);
|
|
}
|
|
};
|
|
unset($msg);
|
|
consoleLog($res, CON_SYSTEM, sprintf(INFO_BROKER_QUEUE_ESTABLISHED, BROKER_QUEUE_W, $thisPid, $myRequestsPerInstance));
|
|
$brokerChannel->basic_qos(null, 1, null);
|
|
$brokerChannel->basic_consume($queue, '', false, false, false, false, $callback);
|
|
while (count($brokerChannel->callbacks)) {
|
|
try {
|
|
$brokerChannel->wait();
|
|
} catch (TypeError | Throwable $t) {
|
|
$hdr = basename(__FILE__) . AT . __LINE__ . COLON;
|
|
@handleExceptionMessaging($hdr, $t->getMessage(), $foo, true);
|
|
}
|
|
}
|
|
// ---- broker code ends ---- //
|
|
break;
|
|
case 1 : // parent
|
|
// do nothing
|
|
break;
|
|
}
|
|
return($thisPid);
|
|
}
|
|
|
|
for ($numBrokers = 0; $numBrokers < $runningBrokers; $numBrokers++) {
|
|
$childrenPidList[] = forkMe();
|
|
}
|
|
consoleLog($res, CON_SUCCESS, sprintf(INFO_BROKER_PARENT_STARTED, count($childrenPidList), BROKER_QUEUE_W));
|
|
|
|
// "register" the broker instantiation event
|
|
$data = [
|
|
SYSTEM_EVENT_NAME => SYSEV_NAME_GROOT_REG,
|
|
SYSTEM_EVENT_TYPE => SYSEV_TYPE_BROKER,
|
|
SYSTEM_EVENT_BROKER_ROOT_GUID => $groot,
|
|
SYSTEM_EVENT_KEY => STRING_NUMBER_CHILDREN,
|
|
SYSTEM_EVENT_VAL => $numberChildren,
|
|
SYSTEM_EVENT_CODE_LOC => basename(__FILE__) . COLON . __LINE__,
|
|
SYSTEM_EVENT_NOTES => BROKER_SYSEV_REG . rtrim($res, ": ")
|
|
];
|
|
@postSystemEvent($data, $groot, $parentLog);
|
|
|
|
// the parent process continues to run...it looks for any of the children in it's process group to die...
|
|
// when a child dies, it's death-rattle is caught and the child is replaced with a new process.
|
|
while (count($childrenPidList)) {
|
|
$lastPid = 0;
|
|
$newPidList = null;
|
|
$result = pcntl_waitpid(0, $status); // detect any sigchld from the parent-group
|
|
if (in_array($result, $childrenPidList)) {
|
|
$key = array_search($result, $childrenPidList);
|
|
array_splice($childrenPidList, $key, 1);
|
|
// process has already exited -- restart it
|
|
$childrenPidList[] = forkMe();
|
|
}
|
|
} |