Differential D21578 Diff 51371 src/filesystem/PhutilErrorLog.php

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src/filesystem/PhutilErrorLog.php

This file was added.

				<?php


				final class PhutilErrorLog
				extends Phobject {

				private $logName;
				private $logPath;

				public function setLogName($log_name) {
				$this->logName = $log_name;
				return $this;
				}

				public function getLogName() {
				return $this->logName;
				}

				public function setLogPath($log_path) {
				$this->logPath = $log_path;
				return $this;
				}

				public function getLogPath() {
				return $this->logPath;
				}

				public function activateLog() {
				$log_path = $this->getLogPath();

				if ($log_path !== null) {
				// Test that the path is writable.
				$write_exception = null;
				try {
				Filesystem::assertWritableFile($log_path);
				} catch (FilesystemException $ex) {
				$write_exception = $ex;
				}

				// If we hit an exception, try to create the containing directory.
				if ($write_exception) {
				$log_dir = dirname($log_path);
				if (!Filesystem::pathExists($log_dir)) {
				try {
				Filesystem::createDirectory($log_dir, 0755, true);
				} catch (FilesystemException $ex) {
				throw new PhutilProxyException(
				pht(
				'Unable to write log "%s" to path "%s". The containing '.
				'directory ("%s") does not exist or is not readable, and '.
				'could not be created.',
				$this->getLogName(),
				$log_path,
				$log_dir),
				$ex);
				}
				}

				// If we created the parent directory, test if the path is writable
				// again.
				try {
				Filesystem::assertWritableFile($log_path);
				$write_exception = null;
				} catch (FilesystemException $ex) {
				$write_exception = $ex;
				}
				}

				// If we ran into a write exception and couldn't resolve it, fail.
				if ($write_exception) {
				throw new PhutilProxyException(
				pht(
				'Unable to write log "%s" to path "%s" because the path is not '.
				'writable.',
				$this->getLogName(),
				$log_path),
				$write_exception);
				}
				}

				ini_set('error_log', $log_path);
				PhutilErrorHandler::setErrorListener(array($this, 'onError'));
				}

				public function onError($event, $value, array $metadata) {
				// If we've set "error_log" to a real file, so messages won't be output to
				// stderr by default. Copy them to stderr.

				if ($this->logPath === null) {
				return;
				}

				$message = idx($metadata, 'default_message');

				if (strlen($message)) {
				$message = tsprintf("%B\n", $message);
				@fwrite(STDERR, $message);
				}
				}

				}