mirror of
https://github.com/danog/amp.git
synced 2024-11-27 04:24:42 +01:00
Catch watcher callback exceptions individually
Exceptions thrown from watcher callbacks are now forwarded to the loop error handler without ending the current tick. Fixes #74.
This commit is contained in:
Aaron Piotrowski
parent
fd7587b0fd
commit
d7353d4d8f
@ -6,7 +6,6 @@ use Amp\Coroutine;
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use Amp\Promise;
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use Amp\Internal\Watcher;
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use React\Promise\PromiseInterface as ReactPromise;
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use function Amp\adapt;
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use function Amp\rethrow;
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/**
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@ -100,16 +99,15 @@ abstract class Driver {
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$this->activate($this->enableQueue);
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$this->enableQueue = [];
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try {
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foreach ($this->deferQueue as $watcher) {
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if (!isset($this->deferQueue[$watcher->id])) {
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continue; // Watcher disabled by another defer watcher.
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}
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foreach ($this->deferQueue as $watcher) {
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if (!isset($this->deferQueue[$watcher->id])) {
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continue; // Watcher disabled by another defer watcher.
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}
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unset($this->watchers[$watcher->id], $this->deferQueue[$watcher->id]);
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unset($this->watchers[$watcher->id], $this->deferQueue[$watcher->id]);
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $watcher->data);
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if ($result === null) {
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continue;
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@ -117,25 +115,17 @@ abstract class Driver {
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof Promise) {
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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$this->dispatch(empty($this->nextTickQueue) && empty($this->enableQueue) && $this->running);
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} catch (\Throwable $exception) {
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if (null === $this->errorHandler) {
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throw $exception;
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}
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$errorHandler = $this->errorHandler;
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$errorHandler($exception);
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}
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$this->dispatch(empty($this->nextTickQueue) && empty($this->enableQueue) && $this->running);
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}
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/**
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@ -559,6 +549,21 @@ abstract class Driver {
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return $previous;
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}
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/**
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* Invokes the error handler with the given exception.
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*
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* @param \Throwable $exception The exception thrown from a watcher callback.
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*
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* @throws \Throwable If no error handler has been set.
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*/
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protected function error(\Throwable $exception) {
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if ($this->errorHandler === null) {
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throw $exception;
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}
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($this->errorHandler)($exception);
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}
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/**
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* Get the underlying loop handle.
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*
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@ -6,7 +6,6 @@ use Amp\Coroutine;
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use Amp\Promise;
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use Amp\Internal\Watcher;
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use React\Promise\PromiseInterface as ReactPromise;
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use function Amp\adapt;
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use function Amp\rethrow;
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class EvDriver extends Driver {
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@ -36,21 +35,22 @@ class EvDriver extends Driver {
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/** @var \Amp\Internal\Watcher $watcher */
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$watcher = $event->data;
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->value, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $watcher->value, $watcher->data);
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if ($result === null) {
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return;
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}
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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};
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@ -62,21 +62,22 @@ class EvDriver extends Driver {
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$this->cancel($watcher->id);
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}
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $watcher->data);
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if ($result === null) {
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return;
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}
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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};
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@ -84,21 +85,22 @@ class EvDriver extends Driver {
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/** @var \Amp\Internal\Watcher $watcher */
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$watcher = $event->data;
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->value, $watcher->data);
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$result = ($watcher->callback)($watcher->id, $watcher->value, $watcher->data);
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if ($result === null) {
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return;
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}
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try {
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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};
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}
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@ -6,7 +6,6 @@ use Amp\Coroutine;
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use Amp\Promise;
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use Amp\Internal\Watcher;
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use React\Promise\PromiseInterface as ReactPromise;
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use function Amp\adapt;
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use function Amp\rethrow;
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class EventDriver extends Driver {
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@ -33,21 +32,22 @@ class EventDriver extends Driver {
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}
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$this->ioCallback = function ($resource, $what, Watcher $watcher) {
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->value, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $watcher->value, $watcher->data);
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if ($result === null) {
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return;
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}
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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};
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@ -56,40 +56,42 @@ class EventDriver extends Driver {
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$this->cancel($watcher->id);
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}
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $watcher->data);
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if ($result === null) {
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return;
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}
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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};
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$this->signalCallback = function ($signum, $what, Watcher $watcher) {
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $watcher->value, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $watcher->value, $watcher->data);
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if ($result === null) {
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return;
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}
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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};
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}
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@ -6,7 +6,6 @@ use Amp\Coroutine;
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use Amp\Promise;
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use Amp\Internal\Watcher;
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use React\Promise\PromiseInterface as ReactPromise;
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use function Amp\adapt;
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use function Amp\rethrow;
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class NativeDriver extends Driver {
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@ -92,18 +91,19 @@ class NativeDriver extends Driver {
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$this->cancel($id);
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}
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// Execute the timer.
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$callback = $watcher->callback;
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$result = $callback($id, $watcher->data);
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try {
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// Execute the timer.
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$result = ($watcher->callback)($id, $watcher->data);
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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}
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}
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@ -133,62 +133,68 @@ class NativeDriver extends Driver {
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$except = null;
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// Error reporting suppressed since stream_select() emits an E_WARNING if it is interrupted by a signal.
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$count = @\stream_select($read, $write, $except, $seconds, $microseconds);
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if (!@\stream_select($read, $write, $except, $seconds, $microseconds)) {
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return;
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}
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if ($count) {
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foreach ($read as $stream) {
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$streamId = (int) $stream;
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if (isset($this->readWatchers[$streamId])) {
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foreach ($this->readWatchers[$streamId] as $watcher) {
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if (!isset($this->readWatchers[$streamId][$watcher->id])) {
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continue; // Watcher disabled by another IO watcher.
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}
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $stream, $watcher->data);
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if ($result === null) {
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continue;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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}
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}
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}
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foreach ($read as $stream) {
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$streamId = (int) $stream;
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if (!isset($this->readWatchers[$streamId])) {
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continue; // All read watchers disabled.
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}
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foreach ($write as $stream) {
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$streamId = (int) $stream;
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if (isset($this->writeWatchers[$streamId])) {
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foreach ($this->writeWatchers[$streamId] as $watcher) {
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if (!isset($this->writeWatchers[$streamId][$watcher->id])) {
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continue; // Watcher disabled by another IO watcher.
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}
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foreach ($this->readWatchers[$streamId] as $watcher) {
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if (!isset($this->readWatchers[$streamId][$watcher->id])) {
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continue; // Watcher disabled by another IO watcher.
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}
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $stream, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $stream, $watcher->data);
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if ($result === null) {
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continue;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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}
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if ($result === null) {
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continue;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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}
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}
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foreach ($write as $stream) {
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$streamId = (int) $stream;
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if (!isset($this->writeWatchers[$streamId])) {
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continue; // All write watchers disabled.
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}
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foreach ($this->writeWatchers[$streamId] as $watcher) {
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if (!isset($this->writeWatchers[$streamId][$watcher->id])) {
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continue; // Watcher disabled by another IO watcher.
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}
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try {
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$result = ($watcher->callback)($watcher->id, $stream, $watcher->data);
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if ($result === null) {
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continue;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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}
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}
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@ -319,21 +325,22 @@ class NativeDriver extends Driver {
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continue;
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}
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$callback = $watcher->callback;
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$result = $callback($watcher->id, $signo, $watcher->data);
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try {
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$result = ($watcher->callback)($watcher->id, $signo, $watcher->data);
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if ($result === null) {
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continue;
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}
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if ($result === null) {
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continue;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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} elseif ($result instanceof ReactPromise) {
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$result = adapt($result);
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
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}
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if ($result instanceof Promise) {
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rethrow($result);
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if ($result instanceof Promise || $result instanceof ReactPromise) {
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rethrow($result);
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}
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} catch (\Throwable $exception) {
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$this->error($exception);
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}
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}
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}
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@ -6,7 +6,6 @@ use Amp\Coroutine;
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use Amp\Promise;
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use Amp\Internal\Watcher;
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use React\Promise\PromiseInterface as ReactPromise;
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use function Amp\adapt;
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use function Amp\rethrow;
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class UvDriver extends Driver {
|
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@ -58,21 +57,22 @@ class UvDriver extends Driver {
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$watchers = $this->watchers[(int) $event];
|
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|
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foreach ($watchers as $watcher) {
|
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$callback = $watcher->callback;
|
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$result = $callback($watcher->id, $resource, $watcher->data);
|
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try {
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$result = ($watcher->callback)($watcher->id, $resource, $watcher->data);
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|
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if ($result === null) {
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return;
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}
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if ($result === null) {
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return;
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}
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if ($result instanceof \Generator) {
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$result = new Coroutine($result);
|
||||
} elseif ($result instanceof ReactPromise) {
|
||||
$result = adapt($result);
|
||||
}
|
||||
if ($result instanceof \Generator) {
|
||||
$result = new Coroutine($result);
|
||||
}
|
||||
|
||||
if ($result instanceof Promise) {
|
||||
rethrow($result);
|
||||
if ($result instanceof Promise || $result instanceof ReactPromise) {
|
||||
rethrow($result);
|
||||
}
|
||||
} catch (\Throwable $exception) {
|
||||
$this->error($exception);
|
||||
}
|
||||
}
|
||||
};
|
||||
@ -84,42 +84,44 @@ class UvDriver extends Driver {
|
||||
$this->cancel($watcher->id);
|
||||
}
|
||||
|
||||
$callback = $watcher->callback;
|
||||
$result = $callback($watcher->id, $watcher->data);
|
||||
try {
|
||||
$result = ($watcher->callback)($watcher->id, $watcher->data);
|
||||
|
||||
if ($result === null) {
|
||||
return;
|
||||
}
|
||||
if ($result === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ($result instanceof \Generator) {
|
||||
$result = new Coroutine($result);
|
||||
} elseif ($result instanceof ReactPromise) {
|
||||
$result = adapt($result);
|
||||
}
|
||||
if ($result instanceof \Generator) {
|
||||
$result = new Coroutine($result);
|
||||
}
|
||||
|
||||
if ($result instanceof Promise) {
|
||||
rethrow($result);
|
||||
if ($result instanceof Promise || $result instanceof ReactPromise) {
|
||||
rethrow($result);
|
||||
}
|
||||
} catch (\Throwable $exception) {
|
||||
$this->error($exception);
|
||||
}
|
||||
};
|
||||
|
||||
$this->signalCallback = function ($event, $signo) {
|
||||
$watcher = $this->watchers[(int) $event];
|
||||
|
||||
$callback = $watcher->callback;
|
||||
$result = $callback($watcher->id, $signo, $watcher->data);
|
||||
try {
|
||||
$result = ($watcher->callback)($watcher->id, $signo, $watcher->data);
|
||||
|
||||
if ($result === null) {
|
||||
return;
|
||||
}
|
||||
if ($result === null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ($result instanceof \Generator) {
|
||||
$result = new Coroutine($result);
|
||||
} elseif ($result instanceof ReactPromise) {
|
||||
$result = adapt($result);
|
||||
}
|
||||
if ($result instanceof \Generator) {
|
||||
$result = new Coroutine($result);
|
||||
}
|
||||
|
||||
if ($result instanceof Promise) {
|
||||
rethrow($result);
|
||||
if ($result instanceof Promise || $result instanceof ReactPromise) {
|
||||
rethrow($result);
|
||||
}
|
||||
} catch (\Throwable $exception) {
|
||||
$this->error($exception);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user