From 8aff5914d9b012ddb7051011a7af1964cada30c1 Mon Sep 17 00:00:00 2001
From: Trustin Lee <trustin@gmail.com>
Date: Fri, 13 Feb 2009 06:05:21 +0000
Subject: [PATCH] Added IdleState-aware ChannelHandler implementations

---
 .../timeout/IdleStateAwareChannelHandler.java | 49 +++++++++++++++++++
 .../IdleStateAwareChannelUpstreamHandler.java | 49 +++++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java
 create mode 100644 src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java

diff --git a/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java
new file mode 100644
index 0000000000..005956d4c7
--- /dev/null
+++ b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java
@@ -0,0 +1,49 @@
+/*
+ * JBoss, Home of Professional Open Source
+ *
+ * Copyright 2009, Red Hat Middleware LLC, and individual contributors
+ * by the @author tags. See the COPYRIGHT.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.netty.handler.timeout;
+
+import org.jboss.netty.channel.ChannelEvent;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.channel.SimpleChannelHandler;
+
+/**
+ * @author The Netty Project (netty-dev@lists.jboss.org)
+ * @author Trustin Lee (tlee@redhat.com)
+ * @version $Rev$, $Date$
+ */
+public class IdleStateAwareChannelHandler extends SimpleChannelHandler {
+
+    @Override
+    public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
+            throws Exception {
+        if (e instanceof IdleStateEvent) {
+            channelIdle(ctx, (IdleStateEvent) e);
+        } else {
+            super.handleUpstream(ctx, e);
+        }
+    }
+
+    public void channelIdle(ChannelHandlerContext ctx, IdleStateEvent e) {
+        ctx.sendUpstream(e);
+    }
+}
diff --git a/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java
new file mode 100644
index 0000000000..84100bd63a
--- /dev/null
+++ b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java
@@ -0,0 +1,49 @@
+/*
+ * JBoss, Home of Professional Open Source
+ *
+ * Copyright 2009, Red Hat Middleware LLC, and individual contributors
+ * by the @author tags. See the COPYRIGHT.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.netty.handler.timeout;
+
+import org.jboss.netty.channel.ChannelEvent;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
+
+/**
+ * @author The Netty Project (netty-dev@lists.jboss.org)
+ * @author Trustin Lee (tlee@redhat.com)
+ * @version $Rev$, $Date$
+ */
+public class IdleStateAwareChannelUpstreamHandler extends SimpleChannelUpstreamHandler {
+
+    @Override
+    public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
+            throws Exception {
+        if (e instanceof IdleStateEvent) {
+            channelIdle(ctx, (IdleStateEvent) e);
+        } else {
+            super.handleUpstream(ctx, e);
+        }
+    }
+
+    public void channelIdle(ChannelHandlerContext ctx, IdleStateEvent e) {
+        ctx.sendUpstream(e);
+    }
+}