| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package com.android.dumprendertree2.forwarder; |
| |
| import android.util.Log; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.Socket; |
| |
| /** |
| * The utility class that can setup a socket allowing the device to communicate with remote |
| * machines through the machine that the device is connected to via adb. |
| */ |
| public class AdbUtils { |
| private static final String LOG_TAG = "AdbUtils"; |
| |
| private static final String ADB_OK = "OKAY"; |
| private static final int ADB_PORT = 5037; |
| private static final String ADB_HOST = "127.0.0.1"; |
| private static final int ADB_RESPONSE_SIZE = 4; |
| |
| /** |
| * Creates a new socket that can be configured to serve as a transparent proxy to a |
| * remote machine. This can be achieved by calling configureSocket() |
| * |
| * @return a socket that can be configured to link to remote machine |
| */ |
| public static Socket createSocket() { |
| Socket socket = null; |
| try { |
| socket = new Socket(ADB_HOST, ADB_PORT); |
| } catch (IOException e) { |
| Log.e(LOG_TAG, "Creation failed.", e); |
| } |
| return socket; |
| } |
| |
| /** |
| * Configures the connection to serve as a transparent proxy to a remote machine. |
| * The given streams must belong to a socket created by createSocket(). |
| * |
| * @param inputStream inputStream of the socket we want to configure |
| * @param outputStream outputStream of the socket we want to configure |
| * @param remoteAddress address of the remote machine (as you would type in a browser |
| * in a machine that the device is connected to via adb) |
| * @param remotePort port on which to connect |
| * @return if the configuration suceeded |
| * @throws IOException |
| */ |
| public static boolean configureConnection(InputStream inputStream, OutputStream outputStream, |
| String remoteAddress, int remotePort) throws IOException { |
| String cmd = "tcp:" + remotePort + ":" + remoteAddress; |
| cmd = String.format("%04X", cmd.length()) + cmd; |
| |
| byte[] buf = new byte[ADB_RESPONSE_SIZE]; |
| outputStream.write(cmd.getBytes()); |
| int read = inputStream.read(buf); |
| if (read != ADB_RESPONSE_SIZE || !ADB_OK.equals(new String(buf))) { |
| Log.w(LOG_TAG, "adb cmd faild."); |
| return false; |
| } |
| return true; |
| } |
| } |