Bug 624 - Separate netty and exi specific classes from netconf-util.

[controller.git] / opendaylight / netconf / netconf-util / src / main / java / org / opendaylight / controller / netconf / util / handler / ssh / client / SshClientAdapter.java

diff --git a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ssh/client/SshClientAdapter.java b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ssh/client/SshClientAdapter.java
deleted file mode 100644 (file)
index 244bcc0..0000000
--- a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/handler/ssh/client/SshClientAdapter.java
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (c) 2013 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.util.handler.ssh.client;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelPromise;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.LinkedList;
-import java.util.Queue;
-import java.util.concurrent.atomic.AtomicBoolean;
-import org.opendaylight.controller.netconf.util.handler.ssh.virtualsocket.VirtualSocketException;
-
-
-/**
- * Worker thread class. Handles all downstream and upstream events in SSH Netty
- * pipeline.
- */
-public class SshClientAdapter implements Runnable {
-    private static final int BUFFER_SIZE = 1024;
-
-    private final SshClient sshClient;
-    private final Invoker invoker;
-
-    private OutputStream stdIn;
-
-    private Queue<ByteBuf> postponed = new LinkedList<>();
-
-    private ChannelHandlerContext ctx;
-    private ChannelPromise disconnectPromise;
-
-    private final AtomicBoolean stopRequested = new AtomicBoolean(false);
-
-    private final Object lock = new Object();
-
-    public SshClientAdapter(SshClient sshClient, Invoker invoker) {
-        this.sshClient = sshClient;
-        this.invoker = invoker;
-    }
-
-    public void run() {
-        try {
-            SshSession session = sshClient.openSession();
-            invoker.invoke(session);
-            InputStream stdOut = session.getStdout();
-            session.getStderr();
-
-            synchronized (lock) {
-
-                stdIn = session.getStdin();
-                ByteBuf message;
-                while ((message = postponed.poll()) != null) {
-                    writeImpl(message);
-                }
-            }
-
-            while (!stopRequested.get()) {
-                byte[] readBuff = new byte[BUFFER_SIZE];
-                int c = stdOut.read(readBuff);
-                if (c == -1) {
-                    continue;
-                }
-                byte[] tranBuff = new byte[c];
-                System.arraycopy(readBuff, 0, tranBuff, 0, c);
-
-                ByteBuf byteBuf = Unpooled.buffer(c);
-                byteBuf.writeBytes(tranBuff);
-                ctx.fireChannelRead(byteBuf);
-            }
-
-        } catch (VirtualSocketException e) {
-            // Netty closed connection prematurely.
-            // Just pass and move on.
-        } catch (Exception e) {
-            throw new IllegalStateException(e);
-        } finally {
-            sshClient.close();
-
-            synchronized (lock) {
-                if (disconnectPromise != null) {
-                    ctx.disconnect(disconnectPromise);
-                }
-            }
-        }
-    }
-
-    // TODO: needs rework to match netconf framer API.
-    public void write(ByteBuf message) throws IOException {
-        synchronized (lock) {
-            if (stdIn == null) {
-                postponed.add(message);
-                return;
-            }
-            writeImpl(message);
-        }
-    }
-
-    private void writeImpl(ByteBuf message) throws IOException {
-        message.getBytes(0, stdIn, message.readableBytes());
-        stdIn.flush();
-    }
-
-    public void stop(ChannelPromise promise) {
-        synchronized (lock) {
-            stopRequested.set(true);
-            disconnectPromise = promise;
-        }
-    }
-
-    public void start(ChannelHandlerContext ctx) {
-        if (this.ctx != null) {
-            // context is already associated.
-            return;
-        }
-        this.ctx = ctx;
-        new Thread(this).start();
-    }
-}