Android Xmpp断线重连

本文介绍了一种基于Android平台、使用Asmack框架实现的XMPP断线重连机制。通过在服务中监听网络状态变化并在检测到断线时进行重试,确保了即时通讯应用的稳定性和用户体验。

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Xmpp断线重连
相关资料
http://blog.youkuaiyun.com/h7870181/article/details/12499955#1
http://www.open-open.com/lib/view/open1387327663015.html

在android基于openfire服务器,Asmack开源框架的即时通讯应用。做断线重连机制。
思路

  1. 开启服务XmppService在后台长时间监听
  2. 在服务XmppService的onStart()中设置监听事件,如果xmpp断开则,打开定时器
  3. 在定时器中判断,如果有网络就重新连接,如果没有网络,继续走定时器,在后台5s判断一次
  4. 最终如果有了网络就再次连接服务器
  5. 在服务销毁的时候关闭定时器

代码如下

package com.pad.diabetesrecord.service;

import java.util.Timer;
import java.util.TimerTask;

import org.jivesoftware.smack.ConnectionListener;
import org.jivesoftware.smack.XMPPConnection;

import com.pad.diabetesrecord.commen.utils.NetWorkUtil;
import com.pad.diabetesrecord.commen.utils.ToastUtils;
import com.pad.diabetesrecord.push.XmppConnection;
import com.pad.diabetesrecord.push.XmppUtils;
import com.pad.diabetesrecord.receiver.OpenfirePushReceive;
import com.pad.diabetesrecord.task.LoginTask;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.widget.Toast;

public class XmppService extends Service {

    private XMPPConnection con;

    private Timer timer;

    private MyTimertask timetask;

    private final IBinder binder = new MyBinder();

    private static XmppService mInstance = null;

    Context context;

    public class MyBinder extends Binder {
        public XmppService getService() {
            return XmppService.this;

        }
    }

    @Override
    public IBinder onBind(Intent intent) {
        // TODO Auto-generated method stub
        return binder;
    }

    public static XmppService getInstance() {
        return mInstance;
    }

    @Override
    public void onCreate() {
        // TODO Auto-generated method stub
        super.onCreate();
        context=this;

    }

    class MyTimertask extends TimerTask {

        @Override
        public void run() {
            // TODO Auto-generated method stub

            if (NetWorkUtil.isnetWorkAvilable(context)) {
                System.out.println(".....正在连接中");
                synchronized (ACCESSIBILITY_SERVICE) {
                    new LoginTask(OpenfirePushReceive.context).execute();
                }
                login();
            }else{
                System.out.println("xmpp  当前没有网络");
                timer.schedule(new MyTimertask(), 5000);
            }

        }

    }

    void login() {
        System.out.println("xmpp is listener");
        con = XmppConnection.getConnection();
        con.addConnectionListener(new ConnectionListener() {
            @Override
            public void connectionClosed() {
                // TODO Auto-generated method stub
                System.out.println("xmpplistener----connectionClosed");
                XmppConnection.closeConnection();

                timer = new Timer();
                timer.schedule(new MyTimertask(), 5000);
            }

            @Override
            public void connectionClosedOnError(Exception e) {
                // TODO Auto-generated method stub
                // 这里就是网络不正常或者被挤掉断线激发的事件

                XmppConnection.closeConnection();
                System.out.println("xmpplistener----connectionClosedOnError");
                System.out.println("xmpplistener----error" + e.getMessage());

                timer = new Timer();
                timer.schedule(new MyTimertask(), 5000);
            }

            // 重新连接失败
            @Override
            public void reconnectionFailed(Exception arg0) {
                // TODO Auto-generated method stub

            }

            // 重新连接的动作正在进行的动作,里面的参数arg0是一个倒计时的数字,
            // 如果连接失败的次数增多,数字会越来越大,开始的时候是14
            @Override
            public void reconnectingIn(int arg0) {
                System.out.println("xmpplistener----xmpp 连接倒计时 " + arg0);

            }

            // 当网络断线了,重新连接上服务器触发的事件
            @Override
            public void reconnectionSuccessful() {
                System.out
                        .println("xmpplistener----reconnectionSuccessful重新连接成功");

            }
        });

    }

    @Override
    public void onStart(Intent intent, int startId) {
        // TODO Auto-generated method stub
        super.onStart(intent, startId);
        System.out.println("service----onStart");
        new Thread(new Runnable() {

            @Override
            public void run() {
                // TODO Auto-generated method stub
                login();
            }
        }).start();
    }

    @Override
    public void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();
        if (timetask != null) {
            timetask.cancel();
        }
    }
}

xmpp连接配置

package com.pad.diabetesrecord.push;

import java.io.File;

import org.jivesoftware.smack.ConnectionConfiguration;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.provider.PrivacyProvider;
import org.jivesoftware.smack.provider.ProviderManager;
import org.jivesoftware.smackx.GroupChatInvitation;
import org.jivesoftware.smackx.PrivateDataManager;
import org.jivesoftware.smackx.bytestreams.ibb.provider.CloseIQProvider;
import org.jivesoftware.smackx.bytestreams.ibb.provider.DataPacketProvider;
import org.jivesoftware.smackx.bytestreams.ibb.provider.OpenIQProvider;
import org.jivesoftware.smackx.bytestreams.socks5.provider.BytestreamsProvider;
import org.jivesoftware.smackx.packet.ChatStateExtension;
import org.jivesoftware.smackx.packet.LastActivity;
import org.jivesoftware.smackx.packet.OfflineMessageInfo;
import org.jivesoftware.smackx.packet.OfflineMessageRequest;
import org.jivesoftware.smackx.packet.SharedGroupsInfo;
import org.jivesoftware.smackx.provider.AdHocCommandDataProvider;
import org.jivesoftware.smackx.provider.DataFormProvider;
import org.jivesoftware.smackx.provider.DelayInformationProvider;
import org.jivesoftware.smackx.provider.DiscoverInfoProvider;
import org.jivesoftware.smackx.provider.DiscoverItemsProvider;
import org.jivesoftware.smackx.provider.MUCAdminProvider;
import org.jivesoftware.smackx.provider.MUCOwnerProvider;
import org.jivesoftware.smackx.provider.MUCUserProvider;
import org.jivesoftware.smackx.provider.MessageEventProvider;
import org.jivesoftware.smackx.provider.MultipleAddressesProvider;
import org.jivesoftware.smackx.provider.RosterExchangeProvider;
import org.jivesoftware.smackx.provider.StreamInitiationProvider;
import org.jivesoftware.smackx.provider.VCardProvider;
import org.jivesoftware.smackx.provider.XHTMLExtensionProvider;
import org.jivesoftware.smackx.search.UserSearch;

import android.os.Build;

public class XmppConnection {
    // XMPP连接对象
    public static XMPPConnection conn = null;
    private static XmppConnection xmppConnection;

    private XmppConnection() {

    }

    public synchronized static XmppConnection getInstance() {
        if (xmppConnection == null) {
            xmppConnection = new XmppConnection();
        }
        return xmppConnection;

    }

    // 单例模式

    /**
     * 获得XMPP连接对象
     * 
     * @return XMPPConnection XMPP连接对象
     */
    public  XMPPConnection getConnection() {
        if (conn == null) {
            openConnection();
        }
        return conn;
    }

    /**
     * 关闭XMPP连接
     */
    public void closeConnection() {
        if (conn.isConnected()) {
            System.out.println("---------xmpp将要关闭");
            conn.disconnect();
        }
        conn = null;
    }

    /**
     * 建立XMPP连接
     * 
     * @return 连接建立成功,返回true;否则返回false
     */
    private  boolean openConnection() {
        // 建立连接配置信息对象
        ConnectionConfiguration connConfig = new ConnectionConfiguration(
                XmppContacts.XMPP_HOST, XmppContacts.XMPP_PORT,
                XmppContacts.XMPP_NAME);
        // 允许重复连接
        connConfig.setReconnectionAllowed(true);
        // 其他配置
        connConfig.setSendPresence(false);
        connConfig
                .setSecurityMode(ConnectionConfiguration.SecurityMode.enabled);
        connConfig.setDebuggerEnabled(XmppContacts.XMPP_DEBUG_MODEL); // 调试模式
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
            connConfig.setTruststoreType("AndroidCAStore");
            connConfig.setTruststorePassword(null);
            connConfig.setTruststorePath(null);
        } else {
            connConfig.setTruststoreType("BKS");
            String path = System.getProperty("javax.net.ssl.trustStore");
            if (path == null)
                path = System.getProperty("java.home") + File.separator + "etc"
                        + File.separator + "security" + File.separator
                        + "cacerts.bks";
            connConfig.setTruststorePath(path);
        }

        // 创建连接对象
        conn = new XMPPConnection(connConfig);
        try {
            conn.connect();
            // 配置各种Provider
            configureConnection(ProviderManager.getInstance());
            return true;
        } catch (XMPPException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return false;
    }

    /**
     * XMPP配置信息
     */
    private static void configureConnection(ProviderManager pm)
            throws ClassNotFoundException {

        // Private Data Storage
        pm.addIQProvider("query", "jabber:iq:private",
                new PrivateDataManager.PrivateDataIQProvider());
        // Time
        pm.addIQProvider("query", "jabber:iq:time",
                Class.forName("org.jivesoftware.smackx.packet.Time"));
        // Roster Exchange
        pm.addExtensionProvider("x", "jabber:x:roster",
                new RosterExchangeProvider());
        // Message Events
        pm.addExtensionProvider("x", "jabber:x:event",
                new MessageEventProvider());
        // Chat State
        pm.addExtensionProvider("active",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        pm.addExtensionProvider("composing",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        pm.addExtensionProvider("paused",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        pm.addExtensionProvider("inactive",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        pm.addExtensionProvider("gone",
                "http://jabber.org/protocol/chatstates",
                new ChatStateExtension.Provider());
        // XHTML
        pm.addExtensionProvider("html", "http://jabber.org/protocol/xhtml-im",
                new XHTMLExtensionProvider());
        // FileTransfer
        pm.addIQProvider("si", "http://jabber.org/protocol/si",
                new StreamInitiationProvider());
        pm.addIQProvider("query", "http://jabber.org/protocol/bytestreams",
                new BytestreamsProvider());
        pm.addIQProvider("open", "http://jabber.org/protocol/ibb",
                new OpenIQProvider());
        pm.addIQProvider("close", "http://jabber.org/protocol/ibb",
                new CloseIQProvider());
        pm.addExtensionProvider("data", "http://jabber.org/protocol/ibb",
                new DataPacketProvider());
        // Group Chat Invitations
        pm.addExtensionProvider("x", "jabber:x:conference",
                new GroupChatInvitation.Provider());
        // Service Discovery # Items //解析房间列表
        pm.addIQProvider("query", "http://jabber.org/protocol/disco#items",
                new DiscoverItemsProvider());
        // Service Discovery # Info //某一个房间的信息
        pm.addIQProvider("query", "http://jabber.org/protocol/disco#info",
                new DiscoverInfoProvider());
        // Data Forms
        pm.addExtensionProvider("x", "jabber:x:data", new DataFormProvider());
        // MUC User
        pm.addExtensionProvider("x", "http://jabber.org/protocol/muc#user",
                new MUCUserProvider());
        // MUC Admin
        pm.addIQProvider("query", "http://jabber.org/protocol/muc#admin",
                new MUCAdminProvider());
        // MUC Owner
        pm.addIQProvider("query", "http://jabber.org/protocol/muc#owner",
                new MUCOwnerProvider());
        // Delayed Delivery
        pm.addExtensionProvider("x", "jabber:x:delay",
                new DelayInformationProvider());
        // Version
        try {
            pm.addIQProvider("query", "jabber:iq:version",
                    Class.forName("org.jivesoftware.smackx.packet.Version"));
        } catch (ClassNotFoundException e) {
            // Not sure what's happening here.
        }
        // VCard
        pm.addIQProvider("vCard", "vcard-temp", new VCardProvider());
        // Offline Message Requests
        pm.addIQProvider("offline", "http://jabber.org/protocol/offline",
                new OfflineMessageRequest.Provider());
        // Offline Message Indicator
        pm.addExtensionProvider("offline",
                "http://jabber.org/protocol/offline",
                new OfflineMessageInfo.Provider());
        // Last Activity
        pm.addIQProvider("query", "jabber:iq:last", new LastActivity.Provider());
        // User Search
        pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());
        // SharedGroupsInfo
        pm.addIQProvider("sharedgroup",
                "http://www.jivesoftware.org/protocol/sharedgroup",
                new SharedGroupsInfo.Provider());
        // JEP-33: Extended Stanza Addressing
        pm.addExtensionProvider("addresses",
                "http://jabber.org/protocol/address",
                new MultipleAddressesProvider());
        pm.addIQProvider("si", "http://jabber.org/protocol/si",
                new StreamInitiationProvider());
        pm.addIQProvider("query", "http://jabber.org/protocol/bytestreams",
                new BytestreamsProvider());
        pm.addIQProvider("query", "jabber:iq:privacy", new PrivacyProvider());
        pm.addIQProvider("command", "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider());
        pm.addExtensionProvider("malformed-action",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.MalformedActionError());
        pm.addExtensionProvider("bad-locale",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.BadLocaleError());
        pm.addExtensionProvider("bad-payload",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.BadPayloadError());
        pm.addExtensionProvider("bad-sessionid",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.BadSessionIDError());
        pm.addExtensionProvider("session-expired",
                "http://jabber.org/protocol/commands",
                new AdHocCommandDataProvider.SessionExpiredError());
    }
}
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