Rename examples and update some comments.

[ci skip]
2026-10-16 16:55:47 +00:00 · 2013-12-21 10:50:08 +01:00
parent 8916f9a9ee
commit d1ec791ae9
16 changed files with 110 additions and 92 deletions
@@ -0,0 +1,86 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+require __DIR__.'/shared.php';
+
+// This is an example of how you can easily extend an existing connection class
+// and trace the execution of commands for debugging purposes. This can be quite
+// useful as a starting poing to understand how your application interacts with
+// Redis.
+
+use Predis\Command\CommandInterface;
+use Predis\Connection\StreamConnection;
+
+class SimpleDebuggableConnection extends StreamConnection {
+    private $tstart = 0;
+    private $debugBuffer = array();
+
+    public function connect() {
+        $this->tstart = microtime(true);
+
+        parent::connect();
+    }
+
+    private function storeDebug(CommandInterface $command, $direction) {
+        $firtsArg = $command->getArgument(0);
+        $timestamp = round(microtime(true) - $this->tstart, 4);
+
+        $debug  = $command->getId();
+        $debug .= isset($firtsArg) ? " $firtsArg " : ' ';
+        $debug .= "$direction $this";
+        $debug .= " [{$timestamp}s]";
+
+        $this->debugBuffer[] = $debug;
+    }
+
+    public function writeRequest(CommandInterface $command) {
+        parent::writeRequest($command);
+
+        $this->storeDebug($command, '->');
+    }
+
+    public function readResponse(CommandInterface $command) {
+        $response = parent::readResponse($command);
+        $this->storeDebug($command, '<-');
+
+        return $response;
+    }
+
+    public function getDebugBuffer() {
+        return $this->debugBuffer;
+    }
+}
+
+$options = array(
+    'connections' => array(
+        'tcp' => 'SimpleDebuggableConnection',
+    ),
+);
+
+$client = new Predis\Client($single_server, $options);
+$client->set('foo', 'bar');
+$client->get('foo');
+$client->info();
+
+var_export($client->getConnection()->getDebugBuffer());
+
+/* OUTPUT:
+array (
+  0 => 'SELECT 15 -> 127.0.0.1:6379 [0.0008s]',
+  1 => 'SELECT 15 <- 127.0.0.1:6379 [0.001s]',
+  2 => 'SET foo -> 127.0.0.1:6379 [0.001s]',
+  3 => 'SET foo <- 127.0.0.1:6379 [0.0011s]',
+  4 => 'GET foo -> 127.0.0.1:6379 [0.0013s]',
+  5 => 'GET foo <- 127.0.0.1:6379 [0.0015s]',
+  6 => 'INFO -> 127.0.0.1:6379 [0.0019s]',
+  7 => 'INFO <- 127.0.0.1:6379 [0.0022s]',
+)
+*/