package com.proxy;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.URI;
import java.net.URL;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import android.text.TextUtils;
import android.util.Log;
public class HttpGetProxy {
final static private String TAG = "HttpGetProxy";
final static private String LOCAL_IP_ADDRESS_1 = "127.0.0.1";
final static private String LOCAL_IP_ADDRESS_2 = "10.0.2.2";
final static private int HTTP_PORT = 80;
final static private String HTTP_END="\r\n\r\n";
/**代理服务器使用的端口*/
private int proxy_ip_port;
/**链接带的端口*/
private String original_ip_port;
/**远程服务器地址*/
private String remoteHost;
/**本地服务器地址*/
private String localHost;
private ServerSocket localServer = null;
/**收发Media Player请求的Socket*/
private Socket sckPlayer = null;
/**收发Media Server请求的Socket*/
private Socket sckServer = null;
private SocketAddress address;
/**
* 初始化代理服务器
* @param localport 代理服务器监听的端口
*/
public HttpGetProxy(int localport) {
try {
_HttpGetProxy(LOCAL_IP_ADDRESS_1,localport);
} catch (Exception e) {
Log.e(TAG,LOCAL_IP_ADDRESS_1+"???"+e.toString());
try {
_HttpGetProxy(LOCAL_IP_ADDRESS_2,localport);
}catch (Exception e1) {
Log.e(TAG,LOCAL_IP_ADDRESS_2+"???"+e.toString());
System.exit(0);
}
}
}
private void _HttpGetProxy(String ipAddress,int localport) throws UnknownHostException, IOException {
proxy_ip_port=localport;
localServer = new ServerSocket(localport,1,InetAddress.getByName(ipAddress));
localHost=ipAddress;
}
/**
* 把网络URL转为本地URL,127.0.0.1替换网络域名
* @param url 网络URL
* @return 本地URL
*/
public String getLocalURL(String urlString){
//----排除HTTP特殊----//
String targetUrl=ProxyUtils.getRedirectUrl(urlString);
//----获取对应本地代理服务器的链接----//
String result = null;
URI originalURI=URI.create(targetUrl);
remoteHost=originalURI.getHost();
if(originalURI.getPort()!=-1){//URL带Port
address = new InetSocketAddress(remoteHost,originalURI.getPort());//使用默认端口
original_ip_port = originalURI.getPort()+"";//保存端口,中转时替换
result=targetUrl.replace(remoteHost+":"+originalURI.getPort(),
localHost+":"+proxy_ip_port);
}
else{//URL不带Port
address = new InetSocketAddress(remoteHost,HTTP_PORT);//使用80端口
original_ip_port = "";
result=targetUrl.replace(remoteHost,localHost+":"+proxy_ip_port);
}
return result;
}
/**
* 启动代理服务器
* @throws IOException
*/
public void asynStartProxy(){
new Thread() {
public void run() {
int bytes_read;
byte[] local_request = new byte[1024];
byte[] remote_reply = new byte[1024];
while (true) {
try {
//--------------------------------------
//监听MediaPlayer的请求,MediaPlayer->代理服务器
//--------------------------------------
sckPlayer = localServer.accept();
Log.e(TAG, "..........sckPlayer connected..........");
String requestStr = "";
while ((bytes_read = sckPlayer.getInputStream().read(local_request)) != -1) {
byte[] tmpBuffer=new byte[bytes_read];
System.arraycopy(local_request,0,tmpBuffer,0,bytes_read);
String str = new String(tmpBuffer);
//Log.e("from MediaPlayer---->", str);
requestStr = requestStr + str;
if (requestStr.contains("GET")
&& requestStr.contains(HTTP_END)) {
break;
}
}
//把request中的本地ip改为远程ip
requestStr = requestStr.replace(localHost,remoteHost);
//把代理服务器端口改为原URL端口
if(TextUtils.isEmpty(original_ip_port))
requestStr = requestStr.replace(":"+proxy_ip_port, "");
else
requestStr = requestStr.replace(":"+proxy_ip_port, ":"+original_ip_port);
Log.e("to Media Server---->", requestStr);
//--------------------------------------
//把MediaPlayer的请求发到网络服务器,代理服务器->网络服务器
//--------------------------------------
sckServer = new Socket();
sckServer.connect(address);
Log.e(TAG,"..........remote Server connected..........");
sckServer.getOutputStream().write(requestStr.getBytes());//发送MediaPlayer的请求
//------------------------------------------------------
//把网络服务器的反馈发到MediaPlayer,网络服务器->代理服务器->MediaPlayer
//------------------------------------------------------
Log.e(TAG,"..........remote start to receive..........");
String responseStr = "";
boolean isCaptured=false;
while ((bytes_read = sckServer.getInputStream().read(remote_reply)) != -1) {
byte[] tmpBuffer=new byte[bytes_read];
System.arraycopy(remote_reply,0,tmpBuffer,0,bytes_read);
//----捕获收到的Response文本内容----//
if (!isCaptured) {
String str = new String(tmpBuffer);
responseStr += str;
if (responseStr.contains("HTTP/")
&& responseStr.contains(HTTP_END)) {
int endIndex=responseStr.indexOf(HTTP_END, 0);
responseStr=responseStr.substring(0, endIndex);
Log.e("from Media Server---->", responseStr);
isCaptured=true;
}
}
sckPlayer.getOutputStream().write(tmpBuffer);
sckPlayer.getOutputStream().flush();
}
Log.e(TAG, "..........over..........");
//关闭对内,对内 2个SOCKET
sckPlayer.close();
sckServer.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}.start();
}
}
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玩转 Android MediaPlayer之Media Proxy
共29个文件
class:11个
java:4个
xml:3个
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2012-07-30
10:12:21
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在《Android MediaPlayer与Http Proxy结合之提高篇》基础上,进一步优化代理服务器,支持了Http的302、301重定向,清晰获取Http Request和Http Response的文本内容。本文以视频播放结合Http Proxy,讲述MediaPlayer播放过程中的握手过程。
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收起资源包目录
videoplayer_demo.zip (29个子文件)
videoplayer_demo
.project 847B
project.properties 391B
src
com
proxy
HttpGetProxy.java 8KB
ProxyUtils.java 933B
videoplayer
testVideoPlayer.java 2KB
AndroidManifest.xml 755B
res
drawable-ldpi
drawable-hdpi
drawable
icon.png 3KB
drawable-mdpi
layout
main.xml 391B
values
strings.xml 173B
.settings
org.eclipse.jdt.core.prefs 629B
org.eclipse.core.resources.prefs 115B
assets
gen
com
videoplayer
R.java 738B
default.properties 391B
.classpath 288B
bin
resources.ap_ 5KB
classes
com
proxy
HttpGetProxy$1.class 4KB
HttpGetProxy.class 4KB
ProxyUtils.class 1KB
videoplayer
R$layout.class 385B
R$drawable.class 391B
R$attr.class 331B
testVideoPlayer.class 2KB
R$id.class 381B
R.class 510B
R$string.class 418B
testVideoPlayer$1.class 819B
res
drawable
icon.png 2KB
VideoPlayer.apk 11KB
classes.dex 9KB
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