Configures the connection to serve as a transparent proxy to a remote machine. - Android Network

Android examples for Network:Proxy

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Description

Configures the connection to serve as a transparent proxy to a remote machine.

Demo Code

/*/* w ww .j a  v  a2 s  .  c o  m*/
 * 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.java2s;
import android.util.Log;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {
    private static final String LOG_TAG = "AdbUtils";
    private static final String ADB_OK = "OKAY";
    private static final int ADB_RESPONSE_SIZE = 4;

    /**
     * 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 failed.");
            return false;
        }
        return true;
    }
}

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