BUG 624 - Make netconf TCP port optional.
[controller.git] / opendaylight / netconf / netconf-ssh / src / test / java / org / opendaylight / controller / netconf / netty / ProxyServerHandler.java
diff --git a/opendaylight/netconf/netconf-ssh/src/test/java/org/opendaylight/controller/netconf/netty/ProxyServerHandler.java b/opendaylight/netconf/netconf-ssh/src/test/java/org/opendaylight/controller/netconf/netty/ProxyServerHandler.java
new file mode 100644 (file)
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--- /dev/null
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.netconf.netty;
+
+import com.google.common.base.Charsets;
+import io.netty.bootstrap.Bootstrap;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.ChannelInitializer;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.local.LocalAddress;
+import io.netty.channel.local.LocalChannel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ProxyServerHandler extends ChannelInboundHandlerAdapter {
+    private static final Logger logger = LoggerFactory.getLogger(ProxyServerHandler.class.getName());
+    private final Bootstrap clientBootstrap;
+    private final LocalAddress localAddress;
+
+
+    private Channel clientChannel;
+
+    public ProxyServerHandler(EventLoopGroup bossGroup, LocalAddress localAddress) {
+        clientBootstrap = new Bootstrap();
+        clientBootstrap.group(bossGroup).channel(LocalChannel.class);
+        this.localAddress = localAddress;
+    }
+
+    @Override
+    public void channelActive(ChannelHandlerContext remoteCtx) {
+        final ProxyClientHandler clientHandler = new ProxyClientHandler(remoteCtx);
+        clientBootstrap.handler(new ChannelInitializer<LocalChannel>() {
+            @Override
+            public void initChannel(LocalChannel ch) throws Exception {
+                ch.pipeline().addLast(clientHandler);
+            }
+        });
+        ChannelFuture clientChannelFuture = clientBootstrap.connect(localAddress).awaitUninterruptibly();
+        clientChannel = clientChannelFuture.channel();
+        clientChannel.writeAndFlush(Unpooled.copiedBuffer("connected\n".getBytes()));
+    }
+
+    @Override
+    public void channelInactive(ChannelHandlerContext ctx) {
+        logger.info("channelInactive - closing client connection");
+        clientChannel.close();
+    }
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, final Object msg) {
+        logger.debug("Writing to client {}", msg);
+        clientChannel.write(msg);
+    }
+
+    @Override
+    public void channelReadComplete(ChannelHandlerContext ctx) {
+        logger.debug("flushing");
+        clientChannel.flush();
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
+        // Close the connection when an exception is raised.
+        logger.warn("Unexpected exception from downstream.", cause);
+        ctx.close();
+    }
+}
+
+class ProxyClientHandler extends ChannelInboundHandlerAdapter {
+    private static final Logger logger = LoggerFactory.getLogger(ProxyClientHandler.class);
+
+    private final ChannelHandlerContext remoteCtx;
+
+
+    public ProxyClientHandler(ChannelHandlerContext remoteCtx) {
+        this.remoteCtx = remoteCtx;
+    }
+
+    @Override
+    public void channelActive(ChannelHandlerContext ctx) {
+        logger.info("client active");
+    }
+
+    @Override
+    public void channelRead(ChannelHandlerContext ctx, Object msg) {
+        ByteBuf bb = (ByteBuf) msg;
+        logger.info(">{}", bb.toString(Charsets.UTF_8));
+        remoteCtx.write(msg);
+    }
+
+    @Override
+    public void channelReadComplete(ChannelHandlerContext ctx) {
+        logger.debug("Flushing server ctx");
+        remoteCtx.flush();
+    }
+
+    @Override
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
+        // Close the connection when an exception is raised.
+        logger.warn("Unexpected exception from downstream", cause);
+        ctx.close();
+    }
+
+    // called both when local or remote connection dies
+    @Override
+    public void channelInactive(ChannelHandlerContext ctx) {
+        logger.debug("channelInactive() called, closing remote client ctx");
+        remoteCtx.close();
+    }
+}