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<?php |
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|
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namespace PostHog\Consumer; |
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|
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use PostHog\QueueConsumer; |
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|
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class ForkCurl extends QueueConsumer |
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{ |
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protected $type = "ForkCurl"; |
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|
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/** |
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* Creates a new queued fork consumer which queues fork and identify |
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* calls before adding them to |
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* @param string $apiKey |
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* @param array $options |
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* boolean "debug" - whether to use debug output, wait for response. |
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* number "max_queue_size" - the max size of messages to enqueue |
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* number "batch_size" - how many messages to send in a single request |
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*/ |
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public function __construct($apiKey, $options = array()) |
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{ |
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parent::__construct($apiKey, $options); |
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} |
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|
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/** |
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* Define getter method for consumer type |
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* |
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* @return string |
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*/ |
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public function getConsumer() |
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{ |
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return $this->type; |
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} |
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|
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/** |
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* Make an async request to our API. Fork a curl process, immediately send |
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* to the API. If debug is enabled, we wait for the response. |
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* @param array $messages array of all the messages to send |
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* @return boolean whether the request succeeded |
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*/ |
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public function flushBatch($messages) |
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{ |
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$body = $this->payload($messages); |
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$payload = json_encode($body); |
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|
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// Escape for shell usage. |
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$payload = escapeshellarg($payload); |
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|
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$protocol = $this->ssl() ? "https://" : "http://"; |
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|
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$path = "/batch/"; |
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$url = $protocol . $this->host . $path; |
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|
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$cmd = "curl -X POST -H 'Content-Type: application/json'"; |
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|
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$tmpfname = ""; |
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if ($this->compress_request) { |
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// Compress request to file |
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$tmpfname = tempnam("/tmp", "forkcurl_"); |
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$cmd2 = "echo " . $payload . " | gzip > " . $tmpfname; |
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exec($cmd2, $output, $exit); |
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|
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if (0 != $exit) { |
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$this->handleError($exit, $output); |
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return false; |
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} |
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|
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$cmd .= " -H 'Content-Encoding: gzip'"; |
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|
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$cmd .= " --data-binary '@" . $tmpfname . "'"; |
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} else { |
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$cmd .= " -d " . $payload; |
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} |
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|
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$cmd .= " '" . $url . "'"; |
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|
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// Verify message size is below than 32KB |
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if (strlen($payload) >= 32 * 1024) { |
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if ($this->debug()) { |
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$msg = "Message size is larger than 32KB"; |
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error_log("[PostHog][" . $this->type . "] " . $msg); |
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} |
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|
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return false; |
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} |
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|
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// Send user agent in the form of {library_name}/{library_version} as per RFC 7231. |
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$libName = $messages[0]['library']; |
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$libVersion = $messages[0]['library_version']; |
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$cmd .= " -H 'User-Agent: {$libName}/{$libVersion}'"; |
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|
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if (!$this->debug()) { |
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$cmd .= " > /dev/null 2>&1 &"; |
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} |
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|
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exec($cmd, $output, $exit); |
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|
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if (0 != $exit) { |
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$this->handleError($exit, $output); |
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} |
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|
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if ($tmpfname != "") { |
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unlink($tmpfname); |
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} |
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|
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return 0 == $exit; |
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} |
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} |
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|
