From 85a0257d4835583d15327eceeaf19ae1e45e994c Mon Sep 17 00:00:00 2001
From: Nikita <abracham.mitchell@gmail.com>
Date: Mon, 1 Feb 2016 17:35:44 +0300
Subject: [PATCH] Version logging added

---
 src/main/java/org/redisson/Version.java       | 51 +++++++++++++++++++
 .../MasterSlaveConnectionManager.java         |  3 ++
 2 files changed, 54 insertions(+)
 create mode 100644 src/main/java/org/redisson/Version.java

diff --git a/src/main/java/org/redisson/Version.java b/src/main/java/org/redisson/Version.java
new file mode 100644
index 000000000..76474c725
--- /dev/null
+++ b/src/main/java/org/redisson/Version.java
@@ -0,0 +1,51 @@
+/**
+ * Copyright 2014 Nikita Koksharov, Nickolay Borbit
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.redisson;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Version {
+
+    private static final Logger log = LoggerFactory.getLogger(Version.class);
+
+    public static void logVersion() {
+        try {
+            Enumeration<URL> resources = Version.class.getClassLoader().getResources("META-INF/MANIFEST.MF");
+            while (resources.hasMoreElements()) {
+                    Manifest manifest = new Manifest(resources.nextElement().openStream());
+                    Attributes attrs = manifest.getMainAttributes();
+                    if (attrs == null) {
+                        continue;
+                    }
+                    String name = attrs.getValue("Bundle-Name");
+                    if (name != null && name.equals("Redisson")) {
+                        log.info("Redisson " + attrs.getValue("Bundle-Version"));
+                        break;
+                    }
+            }
+        } catch (IOException E) {
+            // skip it
+        }
+    }
+
+}
diff --git a/src/main/java/org/redisson/connection/MasterSlaveConnectionManager.java b/src/main/java/org/redisson/connection/MasterSlaveConnectionManager.java
index 2a1e4ea24..b96c1d283 100644
--- a/src/main/java/org/redisson/connection/MasterSlaveConnectionManager.java
+++ b/src/main/java/org/redisson/connection/MasterSlaveConnectionManager.java
@@ -32,6 +32,7 @@ import org.redisson.BaseMasterSlaveServersConfig;
 import org.redisson.Config;
 import org.redisson.MasterSlaveServersConfig;
 import org.redisson.ReadMode;
+import org.redisson.Version;
 import org.redisson.client.BaseRedisPubSubListener;
 import org.redisson.client.RedisClient;
 import org.redisson.client.RedisConnection;
@@ -134,6 +135,8 @@ public class MasterSlaveConnectionManager implements ConnectionManager {
     }
 
     public MasterSlaveConnectionManager(Config cfg) {
+        Version.logVersion();
+
         if (cfg.isUseLinuxNativeEpoll()) {
             if (cfg.getEventLoopGroup() == null) {
                 this.group = new EpollEventLoopGroup(cfg.getThreads());