From cf8106c3c3af38102a19ca4fe136f3ba629d24ef Mon Sep 17 00:00:00 2001
From: Robert Varga <rovarga@cisco.com>
Date: Thu, 3 Jul 2014 18:44:42 +0200
Subject: [PATCH] Fix MD5 channel client channel not working

As it turns out, the client code needs the same fix server-side
received, which is to allow customizeBootstrap() to set channel.

Change-Id: I5efc541ad27bb3e317348c3bb08b13f3fd4110ed
Signed-off-by: Robert Varga <rovarga@cisco.com>
---
 .../framework/AbstractDispatcher.java         | 22 +++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/AbstractDispatcher.java b/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/AbstractDispatcher.java
index fef2c71969..2495130069 100644
--- a/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/AbstractDispatcher.java
+++ b/opendaylight/commons/protocol-framework/src/main/java/org/opendaylight/protocol/framework/AbstractDispatcher.java
@@ -8,6 +8,7 @@
 package org.opendaylight.protocol.framework;
 
 import com.google.common.base.Preconditions;
+
 import io.netty.bootstrap.Bootstrap;
 import io.netty.bootstrap.ServerBootstrap;
 import io.netty.channel.Channel;
@@ -25,9 +26,11 @@ import io.netty.util.concurrent.EventExecutor;
 import io.netty.util.concurrent.Future;
 import io.netty.util.concurrent.GlobalEventExecutor;
 import io.netty.util.concurrent.Promise;
+
 import java.io.Closeable;
 import java.net.InetSocketAddress;
 import java.net.SocketAddress;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -94,8 +97,8 @@ public abstract class AbstractDispatcher<S extends ProtocolSession<?>, L extends
      *
      * @return ChannelFuture representing the binding process
      */
-    protected <CH extends Channel> ChannelFuture createServer(SocketAddress address, Class<? extends ServerChannel> channelClass,
-                                                              final ChannelPipelineInitializer<CH, S> initializer) {
+    protected <CH extends Channel> ChannelFuture createServer(final SocketAddress address, final Class<? extends ServerChannel> channelClass,
+            final ChannelPipelineInitializer<CH, S> initializer) {
         final ServerBootstrap b = new ServerBootstrap();
         b.childHandler(new ChannelInitializer<CH>() {
 
@@ -151,9 +154,8 @@ public abstract class AbstractDispatcher<S extends ProtocolSession<?>, L extends
     protected Future<S> createClient(final InetSocketAddress address, final ReconnectStrategy strategy, final PipelineInitializer<S> initializer) {
         final Bootstrap b = new Bootstrap();
         final ProtocolSessionPromise<S> p = new ProtocolSessionPromise<S>(executor, address, strategy, b);
-        b.group(this.workerGroup).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true).handler(
+        b.option(ChannelOption.SO_KEEPALIVE, true).handler(
                 new ChannelInitializer<SocketChannel>() {
-
                     @Override
                     protected void initChannel(final SocketChannel ch) {
                         initializer.initializeChannel(ch, p);
@@ -162,6 +164,18 @@ public abstract class AbstractDispatcher<S extends ProtocolSession<?>, L extends
 
         customizeBootstrap(b);
 
+        if (b.group() == null) {
+            b.group(workerGroup);
+        }
+
+        // There is no way to detect if this was already set by
+        // customizeBootstrap()
+        try {
+            b.channel(NioSocketChannel.class);
+        } catch (IllegalStateException e) {
+            LOG.trace("Not overriding channelFactory on bootstrap {}", b, e);
+        }
+
         p.connect();
         LOG.debug("Client created.");
         return p;
-- 
2.36.6