New command: SENTINEL (Redis 2.6).

lib/Predis/Command/ServerSentinel.php

@@ -0,0 +1,64 @@
+<?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.
+ */
+
+namespace Predis\Command;
+
+/**
+ * @link http://redis.io/topics/sentinel
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+class ServerSentinel extends AbstractCommand
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getId()
+    {
+        return 'SENTINEL';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function parseResponse($data)
+    {
+        switch (strtolower($this->getArgument(0))) {
+            case 'masters':
+            case 'slaves':
+                return self::processMastersOrSlaves($data);
+
+            default:
+                return $data;
+        }
+    }
+
+    /**
+     * Returns a processed response to SENTINEL MASTERS or SENTINEL SLAVES.
+     *
+     * @param array List of Redis servers.
+     * @return array
+     */
+    protected static function processMastersOrSlaves(array $servers)
+    {
+        foreach ($servers as $idx => $node) {
+            $processed = array();
+            $count = count($node);
+
+            for ($i = 0; $i < $count; $i++) {
+                $processed[$node[$i]] = $node[++$i];
+            }
+
+            $servers[$idx] = $processed;
+        }
+
+        return $servers;
+    }
+}

lib/Predis/Profile/ServerVersion26.php

@@ -233,6 +233,7 @@ class ServerVersion26 extends ServerProfile
             /* remote server control commands */
             'info'                      => 'Predis\Command\ServerInfoV26x',
             'time'                      => 'Predis\Command\ServerTime',
+            'sentinel'                  => 'Predis\Command\ServerSentinel',
         );
     }
 }

lib/Predis/Profile/ServerVersion28.php

@@ -233,6 +233,7 @@ class ServerVersion28 extends ServerProfile
             /* remote server control commands */
             'info'                      => 'Predis\Command\ServerInfoV26x',
             'time'                      => 'Predis\Command\ServerTime',
+            'sentinel'                  => 'Predis\Command\ServerSentinel',
 
 
             /* ---------------- Redis 2.8 ---------------- */

tests/Predis/Command/ServerSentinelTest.php

@@ -0,0 +1,192 @@
+<?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.
+ */
+
+namespace Predis\Command;
+
+use PHPUnit_Framework_TestCase as StandardTestCase;
+
+/**
+ * @group commands
+ * @group realm-server
+ */
+class ServerSentinelTest extends CommandTestCase
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExpectedCommand()
+    {
+        return 'Predis\Command\ServerSentinel';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getExpectedId()
+    {
+        return 'SENTINEL';
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testFilterArguments()
+    {
+        $arguments = array('get-master-addr-by-name', 'predis:master');
+        $expected = array('get-master-addr-by-name', 'predis:master');
+
+        $command = $this->getCommandWithArgumentsArray($arguments);
+
+        $this->assertSame($expected, $command->getArguments());
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testParseResponse()
+    {
+        $expected = array('127.0.0.1', '6379');
+        $command = $this->getCommand();
+
+        $this->assertSame($expected, $command->parseResponse($expected));
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testSentinelMastersResponse()
+    {
+        $response = array(
+            array(
+                "name", "predis:master",
+                "ip", "127.0.0.1",
+                "port", "6379",
+                "runid", "89f6128a7e5780aa6ef7d4d7022cfafbf799b3ab",
+                "flags", "master",
+                "pending-commands", "0",
+                "last-ok-ping-reply", "386",
+                "last-ping-reply", "386",
+                "info-refresh", "9926",
+                "num-slaves", "1",
+                "num-other-sentinels", "0",
+                "quorum", "2",
+            ),
+        );
+
+        $expected = array(
+            array(
+                "name" => "predis:master",
+                "ip" => "127.0.0.1",
+                "port" => "6379",
+                "runid" => "89f6128a7e5780aa6ef7d4d7022cfafbf799b3ab",
+                "flags" => "master",
+                "pending-commands" => "0",
+                "last-ok-ping-reply" => "386",
+                "last-ping-reply" => "386",
+                "info-refresh" => "9926",
+                "num-slaves" => "1",
+                "num-other-sentinels" => "0",
+                "quorum" => "2",
+            ),
+        );
+
+        $command = $this->getCommandWithArguments('masters');
+
+        $this->assertSame($expected, $command->parseResponse($response));
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testSentinelSlavesResponse()
+    {
+        $response = array(
+            array(
+                "name", "127.0.0.1:6380",
+                "ip", "127.0.0.1",
+                "port", "6380",
+                "runid", "92aea60e4fead2507cccd6574e4c7139d401d0ae",
+                "flags", "slave",
+                "pending-commands", "0",
+                "last-ok-ping-reply", "1011",
+                "last-ping-reply", "1011",
+                "info-refresh", "4366",
+                "master-link-down-time", "0",
+                "master-link-status", "ok",
+                "master-host", "127.0.0.1",
+                "master-port", "6379",
+                "slave-priority", "100",
+            )
+        );
+
+        $expected = array(
+            array(
+                "name" => "127.0.0.1:6380",
+                "ip" => "127.0.0.1",
+                "port" => "6380",
+                "runid" => "92aea60e4fead2507cccd6574e4c7139d401d0ae",
+                "flags" => "slave",
+                "pending-commands" => "0",
+                "last-ok-ping-reply" => "1011",
+                "last-ping-reply" => "1011",
+                "info-refresh" => "4366",
+                "master-link-down-time" => "0",
+                "master-link-status" => "ok",
+                "master-host" => "127.0.0.1",
+                "master-port" => "6379",
+                "slave-priority" => "100",
+            )
+        );
+
+        $command = $this->getCommandWithArguments('slaves', 'predis:master');
+
+        $this->assertSame($expected, $command->parseResponse($response));
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testSentinelIsMasterDownByAddr()
+    {
+        $response = array("0", "7388832d5fdee6a2e301d6bbc5052bd1526d741c");
+        $expected = array("0", "7388832d5fdee6a2e301d6bbc5052bd1526d741c");
+
+        $command = $this->getCommandWithArguments('is-master-down-by-addr', '127.0.0.1', '6379');
+
+        $this->assertSame($expected, $command->parseResponse($response));
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testSentinelGetMasterAddrByName()
+    {
+        $response = array("127.0.0.1", "6379");
+        $expected = array("127.0.0.1", "6379");
+
+        $command = $this->getCommandWithArguments('get-master-addr-by-name', 'predis:master');
+
+        $this->assertSame($expected, $command->parseResponse($response));
+    }
+
+    /**
+     * @group disconnected
+     */
+    public function testSentinelReset()
+    {
+        $response = 1;
+        $expected = 1;
+
+        $command = $this->getCommandWithArguments('reset', 'predis:*');
+
+        $this->assertSame($expected, $command->parseResponse($response));
+    }
+}

tests/Predis/Profile/ServerVersion26Test.php

@@ -173,6 +173,7 @@ class ServerVersion26Test extends ServerVersionTestCase
             132 => 'evalsha',
             133 => 'script',
             134 => 'time',
+            135 => 'sentinel',
         );
     }
 }

tests/Predis/Profile/ServerVersion28Test.php

@@ -173,10 +173,11 @@ class ServerVersion28Test extends ServerVersionTestCase
             132 => 'evalsha',
             133 => 'script',
             134 => 'time',
-            135 => 'scan',
-            136 => 'sscan',
-            137 => 'zscan',
-            138 => 'hscan',
+            135 => 'sentinel',
+            136 => 'scan',
+            137 => 'sscan',
+            138 => 'zscan',
+            139 => 'hscan',
         );
     }
 }

tests/Predis/Profile/ServerVersionNextTest.php

@@ -173,10 +173,11 @@ class ServerVersionNextTest extends ServerVersionTestCase
             132 => 'evalsha',
             133 => 'script',
             134 => 'time',
-            135 => 'scan',
-            136 => 'sscan',
-            137 => 'zscan',
-            138 => 'hscan',
+            135 => 'sentinel',
+            136 => 'scan',
+            137 => 'sscan',
+            138 => 'zscan',
+            139 => 'hscan',
         );
     }
 }