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Commit 705b6f8

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author
Robin Chalas
committed
[Messenger] Make redis Connection::get() non blocking by default
1 parent e606ac1 commit 705b6f8
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4 files changed

+60
-3
lines changed
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4 files changed

+60
-3
lines changed

‎src/Symfony/Component/Messenger/Tests/Transport/RedisExt/ConnectionTest.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Messenger/Tests/Transport/RedisExt/ConnectionTest.php
+20Lines changed: 20 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -69,6 +69,7 @@ public function testKeepGettingPendingMessages()
6969
{
7070
$redis = $this->getMockBuilder(\Redis::class)->disableOriginalConstructor()->getMock();
7171

72+
$redis->expects($this->atLeastOnce())->method('xlen')->willReturn(1);
7273
$redis->expects($this->exactly(3))->method('xreadgroup')
7374
->with('symfony', 'consumer', ['queue' => 0], 1, null)
7475
->willReturn(['queue' => [['message' => json_encode(['body' => 'Test', 'headers' => []])]]]);
@@ -85,6 +86,7 @@ public function testFirstGetPendingMessagesThenNewMessages()
8586

8687
$count = 0;
8788

89+
$redis->expects($this->atLeastOnce())->method('xlen')->willReturn(1);
8890
$redis->expects($this->exactly(2))->method('xreadgroup')
8991
->with('symfony', 'consumer', $this->callback(function ($arr_streams) use (&$count) {
9092
++$count;
@@ -106,6 +108,7 @@ public function testUnexpectedRedisError()
106108
$this->expectException(TransportException::class);
107109
$this->expectExceptionMessage('Redis error happens');
108110
$redis = $this->getMockBuilder(\Redis::class)->disableOriginalConstructor()->getMock();
111+
$redis->expects($this->once())->method('xlen')->willReturn(1);
109112
$redis->expects($this->once())->method('xreadgroup')->willReturn(false);
110113
$redis->expects($this->once())->method('getLastError')->willReturn('Redis error happens');
111114

@@ -130,4 +133,21 @@ public function testGetAfterReject()
130133
$connection = Connection::fromDsn('redis://localhost/messenger-rejectthenget');
131134
$this->assertNotNull($connection->get());
132135
}
136+
137+
public function testGetNonBlocking()
138+
{
139+
$redis = new \Redis();
140+
141+
$connection = Connection::fromDsn('redis://localhost/messenger-getnonblocking', [], $redis);
142+
try {
143+
$connection->setup();
144+
} catch (TransportException $e) {
145+
}
146+
147+
$this->assertNull($connection->get());
148+
$connection->add('1', []);
149+
$this->assertNotEmpty($message = $connection->get());
150+
$connection->reject($message['id']);
151+
$redis->del('messenger-getnonblocking');
152+
}
133153
}

‎src/Symfony/Component/Messenger/Transport/RedisExt/Connection.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Messenger/Transport/RedisExt/Connection.php
+20-1Lines changed: 20 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -71,6 +71,10 @@ public static function fromDsn(string $dsn, array $redisOptions = [], \Redis $re
7171

7272
public function get(): ?array
7373
{
74+
if (null === $this->blockingTimeout && !$this->len()) {
75+
return null;
76+
}
77+
7478
$messageId = '>'; // will receive new messages
7579

7680
if ($this->couldHavePendingMessages) {
@@ -142,7 +146,7 @@ public function reject(string $id): void
142146
}
143147
}
144148

145-
public function add(string $body, array $headers)
149+
public function add(string $body, array $headers): void
146150
{
147151
$e = null;
148152
try {
@@ -157,6 +161,21 @@ public function add(string $body, array $headers)
157161
}
158162
}
159163

164+
public function len(): int
165+
{
166+
$e = null;
167+
try {
168+
$length = $this->connection->xLen($this->stream);
169+
} catch (\RedisException $e) {
170+
}
171+
172+
if ($e || false === $length || null === $length) {
173+
throw new TransportException(($e ? $e->getMessage() : $this->connection->getLastError()) ?? 'Could not get the length of the redis stream.', 0, $e);
174+
}
175+
176+
return $length;
177+
}
178+
160179
public function setup(): void
161180
{
162181
try {

‎src/Symfony/Component/Messenger/Transport/RedisExt/RedisReceiver.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Messenger/Transport/RedisExt/RedisReceiver.php
+10-1Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -14,6 +14,7 @@
1414
use Symfony\Component\Messenger\Envelope;
1515
use Symfony\Component\Messenger\Exception\LogicException;
1616
use Symfony\Component\Messenger\Exception\MessageDecodingFailedException;
17+
use Symfony\Component\Messenger\Transport\Receiver\MessageCountAwareInterface;
1718
use Symfony\Component\Messenger\Transport\Receiver\ReceiverInterface;
1819
use Symfony\Component\Messenger\Transport\Serialization\PhpSerializer;
1920
use Symfony\Component\Messenger\Transport\Serialization\SerializerInterface;
@@ -24,7 +25,7 @@
2425
*
2526
* @experimental in 4.3
2627
*/
27-
class RedisReceiver implements ReceiverInterface
28+
class RedisReceiver implements ReceiverInterface, MessageCountAwareInterface
2829
{
2930
private $connection;
3031
private $serializer;
@@ -76,6 +77,14 @@ public function reject(Envelope $envelope): void
7677
$this->connection->reject($this->findRedisReceivedStamp($envelope)->getId());
7778
}
7879

80+
/**
81+
* {@inheritdoc}
82+
*/
83+
public function getMessageCount(): int
84+
{
85+
return $this->connection->len();
86+
}
87+
7988
private function findRedisReceivedStamp(Envelope $envelope): RedisReceivedStamp
8089
{
8190
/** @var RedisReceivedStamp|null $redisReceivedStamp */

‎src/Symfony/Component/Messenger/Transport/RedisExt/RedisTransport.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Messenger/Transport/RedisExt/RedisTransport.php
+10-1Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@
1212
namespace Symfony\Component\Messenger\Transport\RedisExt;
1313

1414
use Symfony\Component\Messenger\Envelope;
15+
use Symfony\Component\Messenger\Transport\Receiver\MessageCountAwareInterface;
1516
use Symfony\Component\Messenger\Transport\Serialization\PhpSerializer;
1617
use Symfony\Component\Messenger\Transport\Serialization\SerializerInterface;
1718
use Symfony\Component\Messenger\Transport\SetupableTransportInterface;
@@ -23,7 +24,7 @@
2324
*
2425
* @experimental in 4.3
2526
*/
26-
class RedisTransport implements TransportInterface, SetupableTransportInterface
27+
class RedisTransport implements TransportInterface, SetupableTransportInterface, MessageCountAwareInterface
2728
{
2829
private $serializer;
2930
private $connection;
@@ -68,6 +69,14 @@ public function send(Envelope $envelope): Envelope
6869
return ($this->sender ?? $this->getSender())->send($envelope);
6970
}
7071

72+
/**
73+
* {@inheritdoc}
74+
*/
75+
public function getMessageCount(): int
76+
{
77+
return ($this->receiver ?? $this->getReceiver())->getMessageCount();
78+
}
79+
7180
/**
7281
* {@inheritdoc}
7382
*/

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