Android Socket With NodeJS
MainActivity
package com.buzz.beaconlib;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ListView;
import android.widget.TextView;
import android.os.StrictMode;
import android.os.Handler;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Message;
import android.widget.Button;
import android.view.View;
//import android.util.Log;
import android.widget.ArrayAdapter;
import org.codehaus.jackson.map.ObjectMapper;
import java.io.*;
import java.net.*;
import java.lang.*;
import java.util.*;
public class MainActivity extends ActionBarActivity {
private static String HOST = "192.168.0.106";
private static int PORT = 2397;
static String ActiveCMD = "";
Socket socket;
Thread socketMsgThread;
Handler inHandler;
Handler resultHandler;
InputStream in;
ObjectMapper objectMapper;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Bundle bundle = getIntent().getExtras();
HOST = bundle.getString("HOST");
PORT = Integer.parseInt(bundle.getString("PORT"));
StrictMode.setThreadPolicy(
new StrictMode
.ThreadPolicy
.Builder()
.detectDiskReads()
.detectDiskWrites()
.detectNetwork()
.penaltyLog()
.build());
StrictMode.setVmPolicy(
new StrictMode
.VmPolicy
.Builder()
.detectLeakedSqlLiteObjects()
.detectLeakedClosableObjects()
.penaltyLog()
.penaltyDeath()
.build());
final TextView tvHost = (TextView) findViewById(R.id.tvHost);
tvHost.setText(HOST);
final TextView tvPort = (TextView) findViewById(R.id.tvPort);
tvPort.setText(String.valueOf(PORT));
try {
socket = new Socket(HOST, PORT);
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
final Button btnGetBeaconInfo = (Button) findViewById(R.id.btnGetBeaconInfo);
final Button btnGetSysparams = (Button) findViewById(R.id.btnGetSysparams);
final Button btnGetUserInfo = (Button) findViewById(R.id.btnGetUserInfo);
final Button btnAddSyslog = (Button) findViewById(R.id.btnAddSyslog);
final Button btnAddKey = (Button) findViewById(R.id.btnAddKey);
final Button btnOpen = (Button) findViewById(R.id.btnOpen);
final Button btnClose = (Button) findViewById(R.id.btnClose);
btnOpen.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_OPEN);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "06";
}
});
btnClose.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_CLOSE);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "07";
}
});
btnGetBeaconInfo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_GET_BEACON_INFO);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "01";
}
});
btnGetSysparams.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_GET_SYS_PARAMS);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "02";
}
});
btnGetUserInfo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_GET_USER_INFO);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "03";
}
});
btnAddSyslog.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_ADD_SYS_LOG);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "04";
}
});
btnAddKey.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
try {
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
writer.write(GlobalConst.CMD_ADD_KEY);
writer.flush();
} catch (UnknownHostException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
} catch (IOException e) {
e.printStackTrace();
ShowDialog(e.getMessage());
}
ActiveCMD = "05";
}
});
objectMapper = new ObjectMapper();
resultHandler = new Handler() {
public void handleMessage(Message msg) {
List<String> ds = new ArrayList<String>();
switch (msg.what) {
case 1:
BeaconInfo beaconInfo = (BeaconInfo) msg.obj;
ds.add(beaconInfo.getBeacon().get(0).toString());
for (triggers t : beaconInfo.getTriggers()) {
ds.add(t.toString());
}
for (contents c : beaconInfo.getContents()) {
ds.add(c.toString());
}
ShowResult(ds);
break;
case 2:
Sysparams[] sysparamsList = (Sysparams[]) msg.obj;
for (Sysparams sp : sysparamsList) {
ds.add(sp.toString());
}
ShowResult(ds);
break;
case 3:
UserInfo[] userInfoList = (UserInfo[]) msg.obj;
ds.add(userInfoList[0].toString());
ShowResult(ds);
break;
case 4:
ShowResult(ds);
break;
}
}
};
inHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case 1:
TextView tvJsonData = (TextView) findViewById(R.id.tvJsonData);
tvJsonData.setText(msg.obj.toString());
switch (ActiveCMD) {
case "01":
try {
BeaconInfo beaconInfo = objectMapper.readValue(msg.obj.toString(), BeaconInfo.class);
Message message = new Message();
message.what = 1;
message.obj = beaconInfo;
resultHandler.sendMessage(message);
} catch (IOException ex) {
ShowDialog(ex.toString());
return;
}
break;
case "02":
try {
Sysparams[] SysparamsList = objectMapper.readValue(msg.obj.toString(), Sysparams[].class);
Message message = new Message();
message.what = 2;
message.obj = SysparamsList;
resultHandler.sendMessage(message);
} catch (IOException ex) {
ShowDialog(ex.toString());
return;
}
break;
case "03":
try {
UserInfo[] userInfoList = objectMapper.readValue(msg.obj.toString(), UserInfo[].class);
Message message = new Message();
message.what = 3;
message.obj = userInfoList;
resultHandler.sendMessage(message);
} catch (IOException ex) {
ShowDialog(ex.toString());
return;
}
break;
default:
Message message = new Message();
message.what = 4;
resultHandler.sendMessage(message);
break;
}
break;
default:
break;
}
}
};
try {
in = socket.getInputStream();
} catch (Exception ex) {
return;
}
socketMsgThread = new Thread(runnable);
socketMsgThread.start();
}
Runnable runnable = new Runnable() {
@Override
public void run() {
String line = "";
while (true) {
try {
byte[] temp = new byte[10240];// 默认最带为256
int size = 0;
while ((size = in.read(temp)) > 0) {
// -1表示文件结尾
byte[] res = new byte[size];// 默认最带为256
System.arraycopy(temp, 0, res, 0, size);
for (int i = 0; i < size; i++) {
line += (char) res[i];
}
Message message = new Message();
message.what = 1;
message.obj = line;
inHandler.sendMessage(message);
line = "";
}
} catch (Exception ex) {
return;
}
}
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
private void ShowResult(List<String> ds){
ListView lvResult = (ListView) findViewById(R.id.lvResult);
lvResult.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_expandable_list_item_1,ds));
}
private void ShowDialog(String msg) {
new AlertDialog
.Builder(this)
.setTitle("notification")
.setMessage(msg)
.setPositiveButton("ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
}).show();
}
}
core.js
var net=require('net');
var mysql=require('./mysqlpool.js');
var client=require('./doorclient.js');
var fileserver=require('./fileserver.js');
function execute_command(socket, command, args) {
switch(command){
case "90":
client.open();
break;
case "91":
client.close();
break;
case "01":
mysql.getBeaconInfo(socket,args);
break;
case "02":
mysql.getSysparams(socket);
break;
case "03":
mysql.getUserInfo(socket,args);
break;
case "04":
mysql.addSyslog(socket,args);
break;
case "05":
mysql.addKey(socket,args);
}
};
var s = net.createServer(function(socket) {
console.log('server connected');
socket.on('data', function(d) {
data = d.toString('utf8').trim();
var cmd_re = /^(\d{2})+[ ]*(.*)/g;
cmd_match = cmd_re.exec(data)
if (cmd_match) {
var command = cmd_match[1];
var args = cmd_match[2];
console.log(command+" "+args);
execute_command(socket, command, args);
}
});
socket.on('end', function() {
console.log('server disconnected');
});
socket.on('error', function (ex) {
console.log("ignoring exception: " + ex);
});
});
s.listen(2397,'192.168.0.106');
console.log('listen on server port:2397...');