Android SocketService

package com.freer.infusion.module.service;

import android.app.ActivityManager;

import android.app.PendingIntent;

import android.app.Service;

import android.content.Intent;

import android.graphics.BitmapFactory;

import android.os.Binder;

import android.os.Handler;

import android.os.IBinder;

import android.os.Message;

import android.os.Parcelable;

import android.support.v4.app.NotificationCompat;

import android.support.v4.app.NotificationManagerCompat;

import android.support.v4.content.ContextCompat;

import android.support.v4.content.LocalBroadcastManager;

import android.util.Log;

import com.freer.infusion.R;

import com.freer.infusion.config.AppConfig;

import com.freer.infusion.entity.SocketEntity;

import com.freer.infusion.model.SocketDataModel;

import com.freer.infusion.model.SocketDataProcess;

import com.freer.infusion.module.main.MainActivity;

import com.freer.infusion.util.JsonUtils;

import com.freer.infusion.util.NetUtils;

import com.freer.infusion.util.ScreenLockLocation;

import com.freer.infusion.util.ThreadManager;

import com.freer.infusion.util.ToastUtils;

import com.google.gson.FieldAttributes;

import org.apache.http.conn.ConnectTimeoutException;

import java.io.IOException;

import java.io.InputStream;

import java.io.InterruptedIOException;

import java.io.OutputStream;

import java.io.Serializable;

import java.lang.ref.WeakReference;

import java.net.ConnectException;

import java.net.Inet4Address;

import java.net.InetAddress;

import java.net.InetSocketAddress;

import java.net.NetworkInterface;

import java.net.Socket;

import java.net.SocketException;

import java.net.SocketTimeoutException;

import java.net.UnknownHostException;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Enumeration;

import java.util.List;

/**

 * Created by 2172980000774 on 2016/5/12.

 */

public class SocketService extends Service {

    /* handler消息标志 */

    private static final int HANDLER_DEBUG = ; //Debug数据

    private static final int HANDLER_SERVER = ; //服务器数据

    private static final int HANDLER_LOCAL = ; //本地数据

    private static final int HANDLER_ERROR = ; //扫描服务器失败

    private static final String CHECK_CONN = "{\"cate\":8,\"d\":[]}"; //连接确认

    private static final String HEART_BEAT = "{\"cate\":9,\"d\":[]}"; //心跳检测

    private static final long HEART_BEAT_RATE =  * ; //心跳检测间隔时间

    private static final long CONN_CHECK_RATE =  * ; //扫描服务器超时时间

    public static String HOST = null; //服务器IP地址

    public static int PORT = ; //服务器端口号

    public static final String MESSAGE_ACTION="message_action";

    public static final String HEART_BEAT_ACTION="heart_beat_action";

    public static final String CONN_CHECK_ACTION = "conn_check_action";

    public static final String CONN_ERROR_ACTION = "conn_error_action";

    public static final String NO_CONN_ACTION = "no_conn_action";

    private ReadThread mReadThread;

    private LocalBroadcastManager mLocalBroadcastManager;

    private WeakReference<Socket> mSocket;

    private SocketDataProcess mSocketDataProcess = new SocketDataProcess();

    private SocketDataModel mFollowModel = new SocketDataModel();

    private SocketDataModel mAllModel = new SocketDataModel();

    private ScreenLockLocation mScreenLockLocation;

    /** For Heart Beat */

    private long sendTime = 0L;

    private Handler mHeartBeatHandler = new Handler();

    private Runnable heartBeatRunnable = new Runnable() {

        @Override

        public void run() {

            if (System.currentTimeMillis() - sendTime >= HEART_BEAT_RATE) {

                if (!sendMsg(null)) { //就发送一个心跳数据过去 如果发送失败，就重新初始化一个socket

                    // 发送失败处理

                    release();

                    // 首先判断本地是否服务器记录,如果没有则已经做过遍历并连接失败,直接通知用户服务器连接失败

                    if (HOST == null) {

                        Message sendFail = mMsgHandler.obtainMessage();

                        sendFail.what = HANDLER_ERROR;

                        sendFail.sendToTarget();

                    } else {

                        ThreadManager.getInstance().addTask(new CheckConnRunnable(HOST));

//                        new Thread(new CheckConnRunnable(HOST)).start();

                    }

                }

            }

            mHeartBeatHandler.postDelayed(this, HEART_BEAT_RATE);

        }

    };

    /**

     * 更新主界面数据接口

     */

    public interface IReceiveMessage {

        void receiveMessage(List<SocketEntity> followBedList, List<SocketEntity> allBedList);

    }

    private IReceiveMessage mIReceiveMessage;

    public class SocketBinder extends Binder {

        public boolean sendMessage(SocketEntity message) {

            return sendMsg(message);

        }

        public void setOnReveiveMessage(IReceiveMessage iReceiveMessage) {

            mIReceiveMessage = iReceiveMessage;

        }

        public void reStart() {

            // 释放之前的资源

            release();

            // 重新初始化socket

            String ip = AppConfig.getInstance().getServerIp();

            if (ip != null && !ip.equals("")) {

                ThreadManager.getInstance().addTask(new CheckConnRunnable(ip));

//                new Thread(new CheckConnRunnable(ip)).start();

            } else {

                if (HOST != null) {

                    ThreadManager.getInstance().addTask(new CheckConnRunnable(HOST));

//                    new Thread(new CheckConnRunnable(HOST)).start();

                } else {

                    scanIpSegment();

                }

            }

        }

    }

    /**

     * 开始连接服务器

     */

    public void startWork() {

        String ip = AppConfig.getInstance().getServerIp();

        if (ip != null && !ip.equals("")) {

//            new Thread(new CheckConnRunnable(ip)).start();

            ThreadManager.getInstance().addTask(new CheckConnRunnable(ip));

        } else {

            scanIpSegment();

        }

    }

    public SocketBinder mSocketBinder;

    @Override

    public IBinder onBind(Intent arg0) {

        return mSocketBinder;

    }

    @Override

    public void onCreate() {

        super.onCreate();

        mScreenLockLocation = new ScreenLockLocation(this);

        mScreenLockLocation.start();

        Intent intent =  new Intent(this, MainActivity.class);

        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

        startForeground(,

                new NotificationCompat.Builder(this)

                        .setSmallIcon(R.drawable.ic_launcher)

                        .setContentTitle(SocketService.this.getString(R.string.navi_title))

                        .setContentText(SocketService.this.getString(R.string.navi_content))

                        .setShowWhen(false)

                        .setOngoing(true)

                        .setContentIntent(PendingIntent.getActivity(this, , intent, PendingIntent.FLAG_UPDATE_CURRENT))

                        .build());

        mSocketBinder = new SocketBinder();

        mLocalBroadcastManager=LocalBroadcastManager.getInstance(this);

//        new InitSocketThread().start();

        startWork();

//        ThreadManager.getInstance().addTask(new CheckConnRunnable("192.168.1.3"));

    }

    @Override

    public int onStartCommand(Intent intent, int flags, int startId) {

        Log.e("SocketService", "onStartCommand");

        return super.onStartCommand(intent, flags, startId);

    }

    @Override

    public void onDestroy() {

        Log.e("SocketService", "onDestroy");

        mScreenLockLocation.stop();

        stopForeground(true);

        stopWork();

        super.onDestroy();

    }

    public boolean sendMsg(SocketEntity msg) {

        if (null == mSocket || null == mSocket.get()) {

            return false;

        }

        Socket soc = mSocket.get();

        try {

            if (!soc.isClosed() && !soc.isOutputShutdown()) {

                OutputStream os = soc.getOutputStream();

                // 如果为null，说明是心跳检测，否则就是本地主动设置的数据

                String message =

                        msg == null ?

                                HEART_BEAT : "{\"cate\":0,\"d\":["+msg.toString()+"]}";

                os.write(message.getBytes());

                os.flush();

                //发送成功处理

                sendTime = System.currentTimeMillis(); //每次发送成数据，就改一下最后成功发送的时间，节省心跳间隔时间

                if (msg != null) { //确认是本地主动修改发送给服务器的数据

                    Message sendSuccess = mMsgHandler.obtainMessage();

                    sendSuccess.what = HANDLER_LOCAL;

                    sendSuccess.obj = msg.toString();

                    sendSuccess.sendToTarget();

                }

                return true;

            }

        } catch (IOException e) {

            System.out.println("发送失败");

        }

        return false;

    }

    private void initSocket() { // 初始化Socket

        try {

            Socket so = new Socket(HOST, PORT);

            mSocket = new WeakReference<>(so);

            mReadThread = new ReadThread(so);

            mReadThread.start();

            mHeartBeatHandler.postDelayed(heartBeatRunnable, HEART_BEAT_RATE);//初始化成功后，就准备发送心跳包

        } catch (UnknownHostException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

    /**

     * 在遍历ip之后，第一次连接调用

     * @param socket

     */

    private void initSocket(Socket socket) {

        mSocket = new WeakReference<Socket>(socket);

        mReadThread = new ReadThread(socket);

        mReadThread.start();

        mHeartBeatHandler.postDelayed(heartBeatRunnable, HEART_BEAT_RATE); // 初始化成功后，就准备发送心跳包

    }

    private void releaseLastSocket(WeakReference<Socket> mSocket) {

        try {

            if (null != mSocket) {

                Socket sk = mSocket.get();

                if (sk != null && !sk.isClosed()) {

                    sk.close();

                }

                sk = null;

                mSocket = null;

            }

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

    class InitSocketThread extends Thread {

        @Override

        public void run() {

            super.run();

            initSocket();

        }

    }

    // Thread to read content from Socket

    class ReadThread extends Thread {

        private WeakReference<Socket> weakSocket;

        private boolean isStart = true;

        public ReadThread(Socket socket) {

            weakSocket = new WeakReference<Socket>(socket);

        }

        public void release() {

            isStart = false;

            releaseLastSocket(weakSocket);

        }

        @Override

        public void run() {

            super.run();

            Socket socket = weakSocket.get();

            receiveMsg(socket, isStart);

        }

    }

    public void receiveMsg(Socket socket, boolean isStart) {

        if (null != socket) {

            try {

                InputStream is = socket.getInputStream();

                byte[] buffer = new byte[ * ];

                int length = ;

                while (!socket.isClosed() && !socket.isInputShutdown()

                        && isStart && ((length = is.read(buffer)) != -)) {

                    if (length > ) {

                        String message = new String(Arrays.copyOf(buffer,

                                length)).trim();

                        System.out.println("收到Socket服务器回复");

                        //收到服务器过来的消息，就通过Broadcast发送出去

                        if(message.contains("\"cate\":9")){//处理心跳回复

                            System.out.println("当前回复为心跳检测");

//                            Intent intent=new Intent(HEART_BEAT_ACTION);

//                            mLocalBroadcastManager.sendBroadcast(intent);

                        }else if (message.contains("\"cate\":0")){

                            System.out.println("当前回复为其他回复");

                            //其他消息回复

                            Message msg = mMsgHandler.obtainMessage();

                            msg.what = HANDLER_SERVER;

                            msg.obj = message;

                            msg.sendToTarget();

                        }

                    }

                }

            } catch (IOException e) {

                e.printStackTrace();

            }

        }

    }

    /**

     * 通过回调的方式通知activity

     * 通过handler从子线程传递数据到主线程中

     */

    private Handler mMsgHandler = new Handler() {

        @Override

        public void handleMessage(Message msg) {

            super.handleMessage(msg);

            if (msg.what == HANDLER_SERVER) { //收到服务器传递的数据

                sendTime = System.currentTimeMillis(); //每一次成功接收到服务器主动发送的消息，更新时间

                if (msg!=null && msg.obj != null) {

                    System.out.println("收到原始数据"+msg.obj.toString());

                }

                String data = (String) msg.obj;

//                mSocketDataProcess.processData(data);

                mFollowModel.processData(data, true);

                mAllModel.processData(data, false);

                //考虑一下，因为ReceiveMessage需要在成功绑定之后才能获取实例

                //那么，如果在成功绑定之前，当前service就已经运行到这里

                //就会出现数据丢失的情况

                if (mIReceiveMessage != null) {

                    mIReceiveMessage.receiveMessage(mFollowModel.getData(), mAllModel.getData());

                }

            } else if (msg.what == HANDLER_LOCAL) { //收到本地需要修改的数据

                SocketEntity socketEntity = JsonUtils.fromJson((String) msg.obj, SocketEntity.class);

                mFollowModel.setDataNoAdd(socketEntity);

                mAllModel.setDataNoAdd(socketEntity);

                //考虑一下，因为ReceiveMessage需要在成功绑定之后才能获取实例

                //那么，如果在成功绑定之前，当前service就已经运行到这里

                //就会出现数据丢失的情况

                if (mIReceiveMessage != null) {

                    mIReceiveMessage.receiveMessage(mFollowModel.getData(), mAllModel.getData());

                }

            } else if (msg.what == HANDLER_DEBUG) {

                System.out.println(msg.obj.toString());

            } else if (msg.what == HANDLER_ERROR) {

                if (HOST == null) { //在扫描开始10秒后，结束到消息，判断此时是否有扫描结果

                    Intent intent=new Intent(CONN_ERROR_ACTION);

                    mLocalBroadcastManager.sendBroadcast(intent);

                }

            }

        }

    };

    /**

     * 跟服务器确认首次连接

     * @param ip

     * @return

     */

    public Socket checkConn(String ip) {

        if (AppConfig.getInstance().isDebug()) {

            Message msg = mMsgHandler.obtainMessage();

            msg.what = HANDLER_DEBUG;

            msg.obj = "尝试跟服务器socket通信" + ip;

            msg.sendToTarget();

        }

        Socket socket = null;

        try {

            socket = new Socket();

            socket.connect(new InetSocketAddress(ip, PORT), );

            socket.setSoTimeout( * );

            //获取输出流

            OutputStream os = socket.getOutputStream();

            //发送连接确认消息

            if (!socket.isClosed() && !socket.isOutputShutdown()) {

                String message = CHECK_CONN;

                os.write(message.getBytes());

                os.flush(); //刷新输出流，使Server马上收到该字符串

            }

            //获取输入流

            InputStream is = socket.getInputStream();

            byte[] buffer = new byte[ * ];

            int length = ;

            //接受连接确认消息

            while (!socket.isClosed() && !socket.isInputShutdown()

                    && ((length = is.read(buffer)) != -)) {

                if (length > ) {

                    String message = new String(Arrays.copyOf(buffer, length)).trim();

                    if (message.contains("\"cate\":8")) {

                        return socket;

                    } else if (message.contains("\"cate\":0")) {

                        Message msg = mMsgHandler.obtainMessage();

                        msg.what = HANDLER_SERVER;

                        msg.obj = message;

                        msg.sendToTarget();

                        return socket;

                    }

                }

            }

        } catch (SocketTimeoutException e) {

            if (AppConfig.getInstance().isDebug()) {

                Message msg = mMsgHandler.obtainMessage();

                msg.what = HANDLER_DEBUG;

                msg.obj = "socket服务器响应超时--->"+ip;

                msg.sendToTarget();

            }

        } catch (ConnectException e) {

            if (AppConfig.getInstance().isDebug()) {

                Message msg = mMsgHandler.obtainMessage();

                msg.what = HANDLER_DEBUG;

                msg.obj = "socket服务器请求超时--->"+ip;

                msg.sendToTarget();

            }

        } catch (InterruptedIOException e) {

            if (AppConfig.getInstance().isDebug()) {

                Message msg = mMsgHandler.obtainMessage();

                msg.what = HANDLER_DEBUG;

                msg.obj = "socket连接超时--->"+ip;

                msg.sendToTarget();

            }

        } catch (UnknownHostException e) {

            if (AppConfig.getInstance().isDebug()) {

                Message msg = mMsgHandler.obtainMessage();

                msg.what = HANDLER_DEBUG;

                msg.obj = "socket尝试连接一个不存在的端口--->"+ip;

                msg.sendToTarget();

            }

        } catch (IOException e) {

            if (AppConfig.getInstance().isDebug()) {

                Message msg = mMsgHandler.obtainMessage();

                msg.what = HANDLER_DEBUG;

                msg.obj = "socket IOException--->"+ip;

                msg.sendToTarget();

            }

        }

        if (socket != null) {

            try {

                socket.close();

            } catch (IOException e) {

                if (AppConfig.getInstance().isDebug()) {

                    Message msg = mMsgHandler.obtainMessage();

                    msg.what = HANDLER_DEBUG;

                    msg.obj = "socket关闭失败--->"+ip;

                    msg.sendToTarget();

                }

            }

            socket = null;

        }

        return null;

    }

    /**

     *跟服务器确认首次连接

     */

    class CheckConnRunnable implements Runnable {

        private String currentIp = null;

        private int ipSuff = ; //ip后缀

        public CheckConnRunnable(String ip) { this(ip, ); }

        public CheckConnRunnable(String ip, int ipSuff) {

            this.currentIp = ip;

            this.ipSuff = ipSuff;

        }

        @Override

        public void run() {

            if (ipSuff == ) { // 在ip后缀为1，即扫描开始后30秒，向消息队列发送一次消息

                Message msgarg = new Message();

                msgarg.what = HANDLER_ERROR;

                mMsgHandler.sendMessageDelayed(msgarg, CONN_CHECK_RATE);

            }

            try {

                Socket socket = null;

                //向服务器发送验证信息,如果验证通过...

                if ((socket = checkConn(currentIp)) != null) {

                    if (AppConfig.getInstance().isDebug()) {

                        Message msg = mMsgHandler.obtainMessage();

                        msg.what = HANDLER_DEBUG;

                        msg.obj = "socket通信成功"+currentIp;

                        msg.sendToTarget();

                    }

                    Intent intent = new Intent(CONN_CHECK_ACTION);

                    mLocalBroadcastManager.sendBroadcast(intent);

                    AppConfig.getInstance().setServerIp(currentIp);

                    HOST = currentIp;

                    socket.setSoTimeout();

                    initSocket(socket);

                } else {

                    if (AppConfig.getInstance().isDebug()) {

                        Message msg = mMsgHandler.obtainMessage();

                        msg.what = HANDLER_DEBUG;

                        msg.obj = "socket通信失败"+currentIp;

                        msg.sendToTarget();

                    }

                    if (ipSuff == ) { //连接本地保存的服务器地址失败，开始遍历IP进行扫描

                        scanIpSegment();

                    }

                }

            } catch (IOException e) {

                e.printStackTrace();

            }

        }

    }

    /**

     * 扫描局域网IP段

     */

    public void scanIpSegment(){

        System.out.println("开始遍历局域网Ip段");

        String locAddrPref = NetUtils.getIpByWifi(this); //获取本地ip前缀，比如192.168.1.

        if(locAddrPref == null || locAddrPref.equals("")) {

            Intent intent = new Intent(NO_CONN_ACTION);

            mLocalBroadcastManager.sendBroadcast(intent);

            return;

        }

        HOST = null;

        for (int suff = ; suff < ; suff++) {//创建256个线程分别去连接服务器

            ThreadManager.getInstance().addTask(

                    new CheckConnRunnable(locAddrPref + String.valueOf(suff), suff));

        }

    }

    /**

     * 释放资源

     */

    public void release() {

        if (mHeartBeatHandler != null && heartBeatRunnable != null) {

            mHeartBeatHandler.removeCallbacks(heartBeatRunnable);

        }

        if (mReadThread != null) {

            mReadThread.release();

        }

        releaseLastSocket(mSocket);

    }

    /**

     * 停止整个service运行

     */

    public void stopWork() {

        release();

        ThreadManager.getInstance().closeThreadPool(); // 关闭线程池

        ActivityManager activityMgr= (ActivityManager) this.getSystemService(ACTIVITY_SERVICE);

        activityMgr.killBackgroundProcesses(getPackageName());

        android.os.Process.killProcess(android.os.Process.myPid());

        System.exit();

    }

}

package com.freer.infusion.module.service;
import android.app.ActivityManager;import android.app.PendingIntent;import android.app.Service;import android.content.Intent;import android.graphics.BitmapFactory;import android.os.Binder;import android.os.Handler;import android.os.IBinder;import android.os.Message;import android.os.Parcelable;import android.support.v4.app.NotificationCompat;import android.support.v4.app.NotificationManagerCompat;import android.support.v4.content.ContextCompat;import android.support.v4.content.LocalBroadcastManager;import android.util.Log;
import com.freer.infusion.R;import com.freer.infusion.config.AppConfig;import com.freer.infusion.entity.SocketEntity;import com.freer.infusion.model.SocketDataModel;import com.freer.infusion.model.SocketDataProcess;import com.freer.infusion.module.main.MainActivity;import com.freer.infusion.util.JsonUtils;import com.freer.infusion.util.NetUtils;import com.freer.infusion.util.ScreenLockLocation;import com.freer.infusion.util.ThreadManager;import com.freer.infusion.util.ToastUtils;import com.google.gson.FieldAttributes;
import org.apache.http.conn.ConnectTimeoutException;
import java.io.IOException;import java.io.InputStream;import java.io.InterruptedIOException;import java.io.OutputStream;import java.io.Serializable;import java.lang.ref.WeakReference;import java.net.ConnectException;import java.net.Inet4Address;import java.net.InetAddress;import java.net.InetSocketAddress;import java.net.NetworkInterface;import java.net.Socket;import java.net.SocketException;import java.net.SocketTimeoutException;import java.net.UnknownHostException;import java.util.ArrayList;import java.util.Arrays;import java.util.Enumeration;import java.util.List;
/** * Created by 2172980000774 on 2016/5/12. */public class SocketService extends Service {
/* handler消息标志 */ private static final int HANDLER_DEBUG = 0; //Debug数据 private static final int HANDLER_SERVER = 1; //服务器数据 private static final int HANDLER_LOCAL = 2; //本地数据 private static final int HANDLER_ERROR = 3; //扫描服务器失败
private static final String CHECK_CONN = "{\"cate\":8,\"d\":[]}"; //连接确认 private static final String HEART_BEAT = "{\"cate\":9,\"d\":[]}"; //心跳检测
private static final long HEART_BEAT_RATE = 15 * 1000; //心跳检测间隔时间 private static final long CONN_CHECK_RATE = 5 * 1000; //扫描服务器超时时间
public static String HOST = null; //服务器IP地址 public static int PORT = 2020; //服务器端口号
public static final String MESSAGE_ACTION="message_action"; public static final String HEART_BEAT_ACTION="heart_beat_action"; public static final String CONN_CHECK_ACTION = "conn_check_action"; public static final String CONN_ERROR_ACTION = "conn_error_action"; public static final String NO_CONN_ACTION = "no_conn_action";
private ReadThread mReadThread;
private LocalBroadcastManager mLocalBroadcastManager;
private WeakReference<Socket> mSocket;
private SocketDataProcess mSocketDataProcess = new SocketDataProcess(); private SocketDataModel mFollowModel = new SocketDataModel(); private SocketDataModel mAllModel = new SocketDataModel();
private ScreenLockLocation mScreenLockLocation;
/** For Heart Beat */ private long sendTime = 0L; private Handler mHeartBeatHandler = new Handler(); private Runnable heartBeatRunnable = new Runnable() {
@Override public void run() { if (System.currentTimeMillis() - sendTime >= HEART_BEAT_RATE) { if (!sendMsg(null)) { //就发送一个心跳数据过去如果发送失败，就重新初始化一个socket // 发送失败处理 release(); // 首先判断本地是否服务器记录,如果没有则已经做过遍历并连接失败,直接通知用户服务器连接失败 if (HOST == null) { Message sendFail = mMsgHandler.obtainMessage(); sendFail.what = HANDLER_ERROR; sendFail.sendToTarget(); } else { ThreadManager.getInstance().addTask(new CheckConnRunnable(HOST));// new Thread(new CheckConnRunnable(HOST)).start(); } } } mHeartBeatHandler.postDelayed(this, HEART_BEAT_RATE); } };
/** * 更新主界面数据接口 */ public interface IReceiveMessage { void receiveMessage(List<SocketEntity> followBedList, List<SocketEntity> allBedList); } private IReceiveMessage mIReceiveMessage;
public class SocketBinder extends Binder { public boolean sendMessage(SocketEntity message) { return sendMsg(message); }
public void setOnReveiveMessage(IReceiveMessage iReceiveMessage) { mIReceiveMessage = iReceiveMessage; }
public void reStart() { // 释放之前的资源 release(); // 重新初始化socket String ip = AppConfig.getInstance().getServerIp(); if (ip != null && !ip.equals("")) { ThreadManager.getInstance().addTask(new CheckConnRunnable(ip));// new Thread(new CheckConnRunnable(ip)).start(); } else { if (HOST != null) { ThreadManager.getInstance().addTask(new CheckConnRunnable(HOST));// new Thread(new CheckConnRunnable(HOST)).start(); } else { scanIpSegment(); } } } }
/** * 开始连接服务器 */ public void startWork() { String ip = AppConfig.getInstance().getServerIp(); if (ip != null && !ip.equals("")) {// new Thread(new CheckConnRunnable(ip)).start(); ThreadManager.getInstance().addTask(new CheckConnRunnable(ip)); } else { scanIpSegment(); } }
public SocketBinder mSocketBinder;
@Override public IBinder onBind(Intent arg0) { return mSocketBinder; }
@Override public void onCreate() { super.onCreate(); mScreenLockLocation = new ScreenLockLocation(this); mScreenLockLocation.start();
Intent intent = new Intent(this, MainActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
startForeground(1, new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_launcher) .setContentTitle(SocketService.this.getString(R.string.navi_title)) .setContentText(SocketService.this.getString(R.string.navi_content)) .setShowWhen(false) .setOngoing(true) .setContentIntent(PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT)) .build());
mSocketBinder = new SocketBinder(); mLocalBroadcastManager=LocalBroadcastManager.getInstance(this);
// new InitSocketThread().start(); startWork();// ThreadManager.getInstance().addTask(new CheckConnRunnable("192.168.1.3")); }
@Override public int onStartCommand(Intent intent, int flags, int startId) { Log.e("SocketService", "onStartCommand"); return super.onStartCommand(intent, flags, startId); }
@Override public void onDestroy() { Log.e("SocketService", "onDestroy"); mScreenLockLocation.stop(); stopForeground(true); stopWork(); super.onDestroy(); }
public boolean sendMsg(SocketEntity msg) { if (null == mSocket || null == mSocket.get()) { return false; } Socket soc = mSocket.get(); try { if (!soc.isClosed() && !soc.isOutputShutdown()) { OutputStream os = soc.getOutputStream(); // 如果为null，说明是心跳检测，否则就是本地主动设置的数据 String message = msg == null ? HEART_BEAT : "{\"cate\":0,\"d\":["+msg.toString()+"]}"; os.write(message.getBytes()); os.flush(); //发送成功处理 sendTime = System.currentTimeMillis(); //每次发送成数据，就改一下最后成功发送的时间，节省心跳间隔时间 if (msg != null) { //确认是本地主动修改发送给服务器的数据 Message sendSuccess = mMsgHandler.obtainMessage(); sendSuccess.what = HANDLER_LOCAL; sendSuccess.obj = msg.toString(); sendSuccess.sendToTarget(); } return true; } } catch (IOException e) { System.out.println("发送失败"); } return false; }
private void initSocket() { // 初始化Socket try { Socket so = new Socket(HOST, PORT); mSocket = new WeakReference<>(so); mReadThread = new ReadThread(so); mReadThread.start(); mHeartBeatHandler.postDelayed(heartBeatRunnable, HEART_BEAT_RATE);//初始化成功后，就准备发送心跳包 } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
/** * 在遍历ip之后，第一次连接调用 * @param socket */ private void initSocket(Socket socket) { mSocket = new WeakReference<Socket>(socket); mReadThread = new ReadThread(socket); mReadThread.start(); mHeartBeatHandler.postDelayed(heartBeatRunnable, HEART_BEAT_RATE); // 初始化成功后，就准备发送心跳包 }
private void releaseLastSocket(WeakReference<Socket> mSocket) { try { if (null != mSocket) { Socket sk = mSocket.get(); if (sk != null && !sk.isClosed()) { sk.close(); } sk = null; mSocket = null; } } catch (IOException e) { e.printStackTrace(); } }
class InitSocketThread extends Thread { @Override public void run() { super.run(); initSocket(); } }
// Thread to read content from Socket class ReadThread extends Thread { private WeakReference<Socket> weakSocket; private boolean isStart = true;
public ReadThread(Socket socket) { weakSocket = new WeakReference<Socket>(socket); }
public void release() { isStart = false; releaseLastSocket(weakSocket); }
@Override public void run() { super.run(); Socket socket = weakSocket.get(); receiveMsg(socket, isStart); } }
public void receiveMsg(Socket socket, boolean isStart) { if (null != socket) { try { InputStream is = socket.getInputStream(); byte[] buffer = new byte[1024 * 4]; int length = 0; while (!socket.isClosed() && !socket.isInputShutdown() && isStart && ((length = is.read(buffer)) != -1)) { if (length > 0) { String message = new String(Arrays.copyOf(buffer, length)).trim(); System.out.println("收到Socket服务器回复"); //收到服务器过来的消息，就通过Broadcast发送出去 if(message.contains("\"cate\":9")){//处理心跳回复 System.out.println("当前回复为心跳检测");// Intent intent=new Intent(HEART_BEAT_ACTION);// mLocalBroadcastManager.sendBroadcast(intent); }else if (message.contains("\"cate\":0")){ System.out.println("当前回复为其他回复"); //其他消息回复 Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_SERVER; msg.obj = message; msg.sendToTarget(); } } } } catch (IOException e) { e.printStackTrace(); } } }
/** * 通过回调的方式通知activity * 通过handler从子线程传递数据到主线程中 */ private Handler mMsgHandler = new Handler() { @Override public void handleMessage(Message msg) { super.handleMessage(msg); if (msg.what == HANDLER_SERVER) { //收到服务器传递的数据 sendTime = System.currentTimeMillis(); //每一次成功接收到服务器主动发送的消息，更新时间 if (msg!=null && msg.obj != null) { System.out.println("收到原始数据"+msg.obj.toString()); } String data = (String) msg.obj;// mSocketDataProcess.processData(data); mFollowModel.processData(data, true); mAllModel.processData(data, false); //考虑一下，因为ReceiveMessage需要在成功绑定之后才能获取实例 //那么，如果在成功绑定之前，当前service就已经运行到这里 //就会出现数据丢失的情况 if (mIReceiveMessage != null) { mIReceiveMessage.receiveMessage(mFollowModel.getData(), mAllModel.getData()); } } else if (msg.what == HANDLER_LOCAL) { //收到本地需要修改的数据 SocketEntity socketEntity = JsonUtils.fromJson((String) msg.obj, SocketEntity.class); mFollowModel.setDataNoAdd(socketEntity); mAllModel.setDataNoAdd(socketEntity); //考虑一下，因为ReceiveMessage需要在成功绑定之后才能获取实例 //那么，如果在成功绑定之前，当前service就已经运行到这里 //就会出现数据丢失的情况 if (mIReceiveMessage != null) { mIReceiveMessage.receiveMessage(mFollowModel.getData(), mAllModel.getData()); } } else if (msg.what == HANDLER_DEBUG) { System.out.println(msg.obj.toString()); } else if (msg.what == HANDLER_ERROR) { if (HOST == null) { //在扫描开始10秒后，结束到消息，判断此时是否有扫描结果 Intent intent=new Intent(CONN_ERROR_ACTION); mLocalBroadcastManager.sendBroadcast(intent); } } } };
/** * 跟服务器确认首次连接 * @param ip * @return */ public Socket checkConn(String ip) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "尝试跟服务器socket通信" + ip; msg.sendToTarget(); } Socket socket = null; try { socket = new Socket(); socket.connect(new InetSocketAddress(ip, PORT), 500); socket.setSoTimeout(1 * 1000);
//获取输出流 OutputStream os = socket.getOutputStream(); //发送连接确认消息 if (!socket.isClosed() && !socket.isOutputShutdown()) { String message = CHECK_CONN; os.write(message.getBytes()); os.flush(); //刷新输出流，使Server马上收到该字符串 }
//获取输入流 InputStream is = socket.getInputStream(); byte[] buffer = new byte[1024 * 4]; int length = 0; //接受连接确认消息 while (!socket.isClosed() && !socket.isInputShutdown() && ((length = is.read(buffer)) != -1)) { if (length > 0) { String message = new String(Arrays.copyOf(buffer, length)).trim(); if (message.contains("\"cate\":8")) { return socket; } else if (message.contains("\"cate\":0")) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_SERVER; msg.obj = message; msg.sendToTarget(); return socket; } } } } catch (SocketTimeoutException e) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket服务器响应超时--->"+ip; msg.sendToTarget(); } } catch (ConnectException e) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket服务器请求超时--->"+ip; msg.sendToTarget(); } } catch (InterruptedIOException e) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket连接超时--->"+ip; msg.sendToTarget(); } } catch (UnknownHostException e) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket尝试连接一个不存在的端口--->"+ip; msg.sendToTarget(); } } catch (IOException e) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket IOException--->"+ip; msg.sendToTarget(); } }
if (socket != null) { try { socket.close(); } catch (IOException e) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket关闭失败--->"+ip; msg.sendToTarget(); } } socket = null; } return null; }
/** *跟服务器确认首次连接 */ class CheckConnRunnable implements Runnable {
private String currentIp = null; private int ipSuff = 0; //ip后缀
public CheckConnRunnable(String ip) { this(ip, 0); }
public CheckConnRunnable(String ip, int ipSuff) { this.currentIp = ip; this.ipSuff = ipSuff; }
@Override public void run() { if (ipSuff == 255) { // 在ip后缀为1，即扫描开始后30秒，向消息队列发送一次消息 Message msgarg = new Message(); msgarg.what = HANDLER_ERROR; mMsgHandler.sendMessageDelayed(msgarg, CONN_CHECK_RATE); } try { Socket socket = null; //向服务器发送验证信息,如果验证通过... if ((socket = checkConn(currentIp)) != null) { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket通信成功"+currentIp; msg.sendToTarget(); } Intent intent = new Intent(CONN_CHECK_ACTION); mLocalBroadcastManager.sendBroadcast(intent); AppConfig.getInstance().setServerIp(currentIp); HOST = currentIp; socket.setSoTimeout(0); initSocket(socket); } else { if (AppConfig.getInstance().isDebug()) { Message msg = mMsgHandler.obtainMessage(); msg.what = HANDLER_DEBUG; msg.obj = "socket通信失败"+currentIp; msg.sendToTarget(); } if (ipSuff == 0) { //连接本地保存的服务器地址失败，开始遍历IP进行扫描 scanIpSegment(); } } } catch (IOException e) { e.printStackTrace(); } } }
/** * 扫描局域网IP段 */ public void scanIpSegment(){ System.out.println("开始遍历局域网Ip段"); String locAddrPref = NetUtils.getIpByWifi(this); //获取本地ip前缀，比如192.168.1. if(locAddrPref == null || locAddrPref.equals("")) { Intent intent = new Intent(NO_CONN_ACTION); mLocalBroadcastManager.sendBroadcast(intent); return; } HOST = null; for (int suff = 1; suff < 256; suff++) {//创建256个线程分别去连接服务器 ThreadManager.getInstance().addTask( new CheckConnRunnable(locAddrPref + String.valueOf(suff), suff)); } }
/** * 释放资源 */ public void release() { if (mHeartBeatHandler != null && heartBeatRunnable != null) { mHeartBeatHandler.removeCallbacks(heartBeatRunnable); } if (mReadThread != null) { mReadThread.release(); } releaseLastSocket(mSocket); }
/** * 停止整个service运行 */ public void stopWork() { release(); ThreadManager.getInstance().closeThreadPool(); // 关闭线程池 ActivityManager activityMgr= (ActivityManager) this.getSystemService(ACTIVITY_SERVICE); activityMgr.killBackgroundProcesses(getPackageName()); android.os.Process.killProcess(android.os.Process.myPid()); System.exit(0); }}

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