Throw client read timeout earlier and don’t close connection

Author: marcroberts

lib/Base.php

@@ -443,6 +443,12 @@ protected function read(string $length): string
         while (strlen($data) < $length) {
             $buffer = @fread($this->socket, $length - strlen($data));
             if ($buffer === false) {
+                $meta = stream_get_meta_data($this->socket);
+                if (!empty($meta['timed_out'])) {
+                    $message = 'Client read timeout';
+                    $this->logger->error($message, $meta);
+                    throw new TimeoutException($message, ConnectionException::TIMED_OUT, $meta);
+                }
                 $read = strlen($data);
                 $this->throwException("Broken frame, read {$read} of stated {$length} bytes.");
             }
@@ -464,7 +470,6 @@ protected function throwException(string $message, int $code = 0): void
             fclose($this->socket);
             $this->socket = null;
         }
-        $json_meta = json_encode($meta);
         if (!empty($meta['timed_out'])) {
             $this->logger->error($message, $meta);
             throw new TimeoutException($message, ConnectionException::TIMED_OUT, $meta);

tests/ClientTest.php

@@ -353,6 +353,18 @@ public function testBrokenRead(): void
         $client->receive();
     }
 
+    public function testReadTimeout(): void
+    {
+        MockSocket::initialize('client.connect', $this);
+        $client = new Client('ws://localhost:8000/my/mock/path');
+        $client->send('Connect');
+        MockSocket::initialize('receive-client-timeout', $this);
+        $this->expectException('WebSocket\TimeoutException');
+        $this->expectExceptionCode(1024);
+        $this->expectExceptionMessage('Client read timeout');
+        $client->receive();
+    }
+
     public function testEmptyRead(): void
     {
         MockSocket::initialize('client.connect', $this);

tests/scripts/receive-broken-read.json

@@ -11,6 +11,21 @@
         "params": [],
         "return": false
     },
+    {
+        "function": "stream_get_meta_data",
+        "params": [
+            "@mock-stream"
+        ],
+        "return": {
+            "timed_out": false,
+            "blocked": true,
+            "eof": true,
+            "stream_type": "tcp_socket\/ssl",
+            "mode": "r+",
+            "unread_bytes": 2,
+            "seekable": false
+        }
+    },
     {
         "function": "get_resource_type",
         "params": [
@@ -40,4 +55,4 @@
         ],
         "return":true
     }
-]
+]

tests/scripts/receive-client-timeout.json

@@ -0,0 +1,50 @@
+[
+    {
+        "function": "get_resource_type",
+        "params": [
+            "@mock-stream"
+        ],
+        "return": "stream"
+    },
+    {
+        "function": "fread",
+        "params": [],
+        "return": false
+    },
+    {
+        "function": "stream_get_meta_data",
+        "params": [
+            "@mock-stream"
+        ],
+        "return": {
+            "timed_out": true,
+            "blocked": true,
+            "eof": false,
+            "stream_type": "tcp_socket\/ssl",
+            "mode": "r+",
+            "unread_bytes": 0,
+            "seekable": false
+        }
+    },
+    {
+        "function": "get_resource_type",
+        "params": [
+            "@mock-stream"
+        ],
+        "return": "stream"
+    },
+    {
+        "function": "get_resource_type",
+        "params": [
+            "@mock-stream"
+        ],
+        "return": "stream"
+    },
+    {
+        "function": "fclose",
+        "params": [
+            "@mock-stream"
+        ],
+        "return":true
+    }
+]