package com.anyun.exam.lib;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.text.TextUtils;
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import com.anyun.basecommonlib.MyLog;
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import java.util.LinkedList;
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/**
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* MyApplication2
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* Created by lzw on 2019/9/19. 18:19:48
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* 邮箱：632393724@qq.com
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* All Rights Saved! Chongqing AnYun Tech co. LTD
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*/
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class SvrManager {
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private static final SvrManager ourInstance = new SvrManager();
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private static final String TAG = "SvrManager";
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private MyServiceConn conn;
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private Intent intent;
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private Context mContext;
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private IAYExamListener mCallback;
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//远程服务接口
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private IRemoteInterface remoteInterface;
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private int BIND_SUCC = 0;
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private int BIND_binderDied = -1;
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static SvrManager getInstance() {
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return ourInstance;
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}
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private SvrManager() {
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}
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/**
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* 检查远程服务是否可以使用
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* @return 可以用false，不可以用true
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*/
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private boolean checkRemoteIsNull() {
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return remoteInterface==null?true:false;
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}
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/**
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* Binder断裂回调
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* 如果服务端进程由于某种异常原因停止
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*/
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private IBinder.DeathRecipient mDeathRecipient = new IBinder.DeathRecipient() {
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@Override
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public void binderDied() {
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MyLog.e(TAG,"IBinder.DeathRecipient binderDied");
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if (mCallback != null){
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mCallback.bindStatus(BIND_binderDied);
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}
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if (remoteInterface == null){
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MyLog.e(TAG,"IBinder.DeathRecipient binderDied remoteInterface == null ,return");
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return;
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}
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remoteInterface.asBinder().unlinkToDeath(mDeathRecipient,0);
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remoteInterface = null;
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MyLog.i("检测到远程服务异常死亡，重新绑定");
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bindRemoteService(mContext);
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}
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};
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public void registerListener(IAYExamListener iayExamListener) {
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this.mCallback = iayExamListener;
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}
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public void add() {
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if (!checkRemoteIsNull()){
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try {
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remoteInterface.add();
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} catch (RemoteException e) {
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e.printStackTrace();
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}
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}
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}
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public void sendCmd(int cmd,String s) {
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if (!checkRemoteIsNull()){
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try {
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remoteInterface.SendCmd(cmd,s);
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if(cmd == 0x8100){
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MyLog.i(TAG,"CMD="+ String.format("0x%x",cmd) +" contentLength:"+(!TextUtils.isEmpty(s)?s.length():0));
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}else{
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MyLog.i(TAG,"CMD="+ String.format("0x%x",cmd) +" content:"+(!TextUtils.isEmpty(s)?s:"null"));
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}
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} catch (RemoteException e) {
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e.printStackTrace();
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}
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}else{
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MyLog.i(TAG,"远程服务接口==null");
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}
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}
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class MyServiceConn implements ServiceConnection {
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@Override
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public void onServiceConnected(ComponentName name, IBinder service) {
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remoteInterface = IRemoteInterface.Stub.asInterface(service);
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try {
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//设置死亡代理
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service.linkToDeath(mDeathRecipient,0);
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MyLog.i("绑定服务onServiceConnected");
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if(mCallback!=null){
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mCallback.bindStatus(BIND_SUCC);
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}
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remoteInterface.registListener(RemoteCallback);
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} catch (RemoteException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void onServiceDisconnected(ComponentName name) {
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MyLog.i("绑定服务失败onServiceDisconnected");
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}
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}
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public void bindRemoteService(Context mContext){
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this.mContext = mContext;
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intent = new Intent(mContext,RemoteService.class);
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conn = new MyServiceConn();
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mContext.bindService(intent,conn, Context.BIND_AUTO_CREATE);
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}
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public void unBindRemoteService(Context mContext){
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if (remoteInterface!=null && remoteInterface.asBinder().isBinderAlive()){
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try {
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MyLog.i("摧毁SDK，需要解绑远程回调");
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remoteInterface.unRegistListener(RemoteCallback);
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} catch (RemoteException e) {
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e.printStackTrace();
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}
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}
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MyLog.i("摧毁SDK，需要解绑远程服务");
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mContext.unbindService(conn);
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if (intent!=null){
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MyLog.i("摧毁SDK，需要停止远程服务");
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mContext.stopService(intent);
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}
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}
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/**
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* 远程服务回调通知客户端消息
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*/
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IListenerInterface RemoteCallback = new IListenerInterface.Stub(){
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@Override
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public void onMessageArrived(int cmd, String json) throws RemoteException {
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if (mCallback != null){
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mCallback.callBackMsg(cmd, json);
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}
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}
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};
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}
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