1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.hierarchyviewerlib.device; 18 19 import com.android.ddmlib.IDevice; 20 21 import java.io.BufferedReader; 22 import java.io.BufferedWriter; 23 import java.io.IOException; 24 import java.io.InputStreamReader; 25 import java.io.OutputStreamWriter; 26 import java.net.InetSocketAddress; 27 import java.net.Socket; 28 import java.nio.channels.SocketChannel; 29 30 /** 31 * This class is used for connecting to a device in debug mode running the view 32 * server. 33 */ 34 public class DeviceConnection { 35 36 // Now a socket channel, since socket channels are friendly with interrupts. 37 private SocketChannel mSocketChannel; 38 39 private BufferedReader mIn; 40 41 private BufferedWriter mOut; 42 DeviceConnection(IDevice device)43 public DeviceConnection(IDevice device) throws IOException { 44 mSocketChannel = SocketChannel.open(); 45 int port = DeviceBridge.getDeviceLocalPort(device); 46 47 if (port == -1) { 48 throw new IOException(); 49 } 50 51 mSocketChannel.connect(new InetSocketAddress("127.0.0.1", port)); //$NON-NLS-1$ 52 mSocketChannel.socket().setSoTimeout(40000); 53 } 54 getInputStream()55 public BufferedReader getInputStream() throws IOException { 56 if (mIn == null) { 57 mIn = new BufferedReader(new InputStreamReader(mSocketChannel.socket().getInputStream())); 58 } 59 return mIn; 60 } 61 getOutputStream()62 public BufferedWriter getOutputStream() throws IOException { 63 if (mOut == null) { 64 mOut = 65 new BufferedWriter(new OutputStreamWriter(mSocketChannel.socket() 66 .getOutputStream())); 67 } 68 return mOut; 69 } 70 getSocket()71 public Socket getSocket() { 72 return mSocketChannel.socket(); 73 } 74 sendCommand(String command)75 public void sendCommand(String command) throws IOException { 76 BufferedWriter out = getOutputStream(); 77 out.write(command); 78 out.newLine(); 79 out.flush(); 80 } 81 close()82 public void close() { 83 try { 84 if (mIn != null) { 85 mIn.close(); 86 } 87 } catch (IOException e) { 88 } 89 try { 90 if (mOut != null) { 91 mOut.close(); 92 } 93 } catch (IOException e) { 94 } 95 try { 96 mSocketChannel.close(); 97 } catch (IOException e) { 98 } 99 } 100 } 101