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308 changes: 308 additions & 0 deletions
308
src/main/java/com/spotify/docker/client/npipe/NamedPipeSocket.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,308 @@ | ||
| /*- | ||
| * -\-\- | ||
| * docker-client | ||
| * -- | ||
| * Copyright (C) 2018 Spotify AB | ||
| * -- | ||
| * 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. | ||
| * -/-/- | ||
| */ | ||
|
|
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| package com.spotify.docker.client.npipe; | ||
|
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| import java.io.FilterInputStream; | ||
| import java.io.FilterOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
| import java.io.RandomAccessFile; | ||
| import java.net.InetAddress; | ||
| import java.net.Socket; | ||
| import java.net.SocketAddress; | ||
| import java.net.SocketException; | ||
| import java.nio.channels.Channels; | ||
| import java.nio.channels.FileChannel; | ||
| import java.nio.channels.SocketChannel; | ||
|
|
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| public class NamedPipeSocket extends Socket { | ||
|
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| private final Object connectLock = new Object(); | ||
| private volatile boolean inputShutdown; | ||
| private volatile boolean outputShutdown; | ||
|
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| private String socketPath; | ||
| private volatile SocketAddress socketAddress; | ||
| private RandomAccessFile namedPipe; | ||
|
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| private FileChannel channel; | ||
|
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| NamedPipeSocket() throws IOException { | ||
| } | ||
|
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| @Override | ||
| public void connect(SocketAddress endpoint) throws IOException { | ||
| connect(endpoint, 0); | ||
| } | ||
|
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| @Override | ||
| public void connect(SocketAddress endpoint, int timeout) throws IOException { | ||
| if (timeout < 0) { | ||
| throw new IllegalArgumentException("Timeout may not be negative: " + timeout); | ||
| } | ||
|
|
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| if (!(endpoint instanceof NpipeSocketAddress)) { | ||
| throw new IllegalArgumentException("Unsupported address type: " | ||
| + endpoint.getClass().getName()); | ||
| } | ||
|
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| this.socketAddress = endpoint; | ||
| this.socketPath = ((NpipeSocketAddress) endpoint).path(); | ||
|
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| synchronized (connectLock) { | ||
| this.namedPipe = new RandomAccessFile(socketPath, "rw"); | ||
| this.channel = this.namedPipe.getChannel(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void bind(SocketAddress bindpoint) throws IOException { | ||
| throw new SocketException("Bind is not supported"); | ||
| } | ||
|
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| @Override | ||
| public InetAddress getInetAddress() { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public InetAddress getLocalAddress() { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public int getPort() { | ||
| return -1; | ||
| } | ||
|
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| @Override | ||
| public int getLocalPort() { | ||
| return -1; | ||
| } | ||
|
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| @Override | ||
| public SocketAddress getRemoteSocketAddress() { | ||
| return socketAddress; | ||
| } | ||
|
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| @Override | ||
| public SocketAddress getLocalSocketAddress() { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public SocketChannel getChannel() { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public InputStream getInputStream() throws IOException { | ||
| if (!channel.isOpen()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
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| if (inputShutdown) { | ||
| throw new SocketException("Socket input is shutdown"); | ||
| } | ||
|
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| return new FilterInputStream(Channels.newInputStream(channel)) { | ||
| @Override | ||
| public void close() throws IOException { | ||
| shutdownInput(); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public OutputStream getOutputStream() throws IOException { | ||
| if (!channel.isOpen()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
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| if (outputShutdown) { | ||
| throw new SocketException("Socket output is shutdown"); | ||
| } | ||
|
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| return new FilterOutputStream(Channels.newOutputStream(channel)) { | ||
| @Override | ||
| public void close() throws IOException { | ||
| shutdownOutput(); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public void sendUrgentData(int data) throws IOException { | ||
| throw new SocketException("Urgent data not supported"); | ||
| } | ||
|
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| @Override | ||
| public void setSoTimeout(int timeout) { | ||
| } | ||
|
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| @Override | ||
| public int getSoTimeout() throws SocketException { | ||
| return 0; | ||
| } | ||
|
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| @Override | ||
| public void setSendBufferSize(int size) throws SocketException { | ||
| if (size <= 0) { | ||
| throw new IllegalArgumentException("Send buffer size must be positive: " + size); | ||
| } | ||
|
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| if (!channel.isOpen()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
|
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| // just ignore | ||
| } | ||
|
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| @Override | ||
| public synchronized int getSendBufferSize() throws SocketException { | ||
| if (!channel.isOpen()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
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| throw new UnsupportedOperationException("Getting the send buffer size is not supported"); | ||
| } | ||
|
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| @Override | ||
| public synchronized void setReceiveBufferSize(int size) throws SocketException { | ||
| if (size <= 0) { | ||
| throw new IllegalArgumentException("Receive buffer size must be positive: " + size); | ||
| } | ||
|
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| if (!channel.isOpen()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
|
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| // just ignore | ||
| } | ||
|
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| @Override | ||
| public synchronized int getReceiveBufferSize() throws SocketException { | ||
| if (!channel.isOpen()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
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| throw new UnsupportedOperationException("Getting the receive buffer size is not supported"); | ||
| } | ||
|
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| @Override | ||
| public void setKeepAlive(boolean on) throws SocketException { | ||
| } | ||
|
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| @Override | ||
| public boolean getKeepAlive() throws SocketException { | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public void setTrafficClass(int tc) throws SocketException { | ||
| if (tc < 0 || tc > 255) { | ||
| throw new IllegalArgumentException("Traffic class is not in range 0 -- 255: " + tc); | ||
| } | ||
|
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| if (isClosed()) { | ||
| throw new SocketException("Socket is closed"); | ||
| } | ||
|
|
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| // just ignore | ||
| } | ||
|
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| @Override | ||
| public int getTrafficClass() throws SocketException { | ||
| throw new UnsupportedOperationException("Getting the traffic class is not supported"); | ||
| } | ||
|
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| @Override | ||
| public void setReuseAddress(boolean on) throws SocketException { | ||
| // just ignore | ||
| } | ||
|
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| @Override | ||
| public boolean getReuseAddress() throws SocketException { | ||
| throw new UnsupportedOperationException("Getting the SO_REUSEADDR option is not supported"); | ||
| } | ||
|
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| @Override | ||
| public void close() throws IOException { | ||
| if (isClosed()) { | ||
| return; | ||
| } | ||
| if (channel != null) { | ||
| channel.close(); | ||
| } | ||
| inputShutdown = true; | ||
| outputShutdown = true; | ||
| } | ||
|
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| @Override | ||
| public void shutdownInput() throws IOException { | ||
| inputShutdown = true; | ||
| } | ||
|
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| @Override | ||
| public void shutdownOutput() throws IOException { | ||
| outputShutdown = true; | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| if (isConnected()) { | ||
| return "WindowsPipe[addr=" + this.socketPath + ']'; | ||
| } | ||
|
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| return "WindowsPipe[unconnected]"; | ||
| } | ||
|
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| @Override | ||
| public boolean isConnected() { | ||
| return !isClosed(); | ||
| } | ||
|
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| @Override | ||
| public boolean isBound() { | ||
| return false; | ||
| } | ||
|
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| @Override | ||
| public boolean isClosed() { | ||
| return channel != null && !channel.isOpen(); | ||
| } | ||
|
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| @Override | ||
| public boolean isInputShutdown() { | ||
| return inputShutdown; | ||
| } | ||
|
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| @Override | ||
| public boolean isOutputShutdown() { | ||
| return outputShutdown; | ||
| } | ||
|
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| @Override | ||
| public void setPerformancePreferences(int connectionTime, int latency, int bandwidth) { | ||
| // no-op | ||
| } | ||
| } |
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