/**
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* Created by bin.shen on 5/30/16.
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*/
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var net = require('net');
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var moment = require('moment');
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var mongoClient = require('mongodb').MongoClient;
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var config = require('./config');
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var method = require('./method');
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var map = {
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"5a0000010001": 32,
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"5a0000010002": 102,
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"5a0000010003": 162,
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"5a0000010004": 32,
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"5a0000010006": 122,
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"5a0000010007": 32,
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"5a000001000c": 20
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};
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function handleData(db, socket, value) {
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//1.心跳命令行
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if(value.startsWith('5a0000010001')) {
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var output = [ 0x6A, 0x00, 0x00, 0x01, 0x00, 0x01, 0xA1, 0x1A, 0xC7, 0x6B ];
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method.getAppStatus(db, value, function(doc) {
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var app_status = doc.app_status;
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var app_last_updated = doc.app_last_updated;
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if(app_status == 1 && app_last_updated != null && Date.now() - app_last_updated <= 30000) {
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output[7] = 0x1B;
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}
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socket.write(new Buffer(output));
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});
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return;
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}
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//3.传感器数据上传
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if(value.startsWith('5a0000010003')) {
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var output = [ 0x6A, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6B ];
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method.insertData(db, value, function(data, rank) {
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method.insertDocument2(db, value, rank, function(data) {});
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var fields = method.padLeft(rank.toString(16), 8).match(/.{2}/g);
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output[6] = method.toDec(fields[0]);
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output[7] = method.toDec(fields[1]);
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output[8] = method.toDec(fields[2]);
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output[9] = method.toDec(fields[3]);
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socket.write(new Buffer(output));
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});
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return;
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}
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//7.主机休眠前发送即将休眠的命令
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if(value.startsWith('5a0000010007')) {
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method.updateDeviceSleep(db, value, function(data) {});
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return;
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}
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//4.云端时间
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if(value.startsWith('5a0000010004')) {
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method.updateDeviceWakeup(db, value, function(data) {});
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var current_time = moment();
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var output = [
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0x6A, 0x00, 0x00, 0x01, 0x00, 0x04, //包头(0-5)
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parseInt(current_time.format('s')), //秒
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parseInt(current_time.format('m')), //分
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parseInt(current_time.format('H')), //小时
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parseInt(current_time.format('D')), //日
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parseInt(current_time.format('M')), //月
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parseInt(current_time.format('E')), //星期
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parseInt(current_time.format('YY')), //年
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0x36, //校验和
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0x6B //包尾
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];
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socket.write(new Buffer(output));
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return;
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}
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//2.云地址写入WIFI模块
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if(value.startsWith('5a0000010002')) {
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method.insertDocument(db, value, function(data) {});
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socket.write(new Buffer(config.OUTPUT_2));
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return;
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}
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//6.配网数据
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if(value.startsWith('5a0000010006')) {
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method.registerDevice(db, value, function(data) {});
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socket.write(new Buffer(config.OUTPUT_6));
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return;
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}
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//12.联云通知
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if(value.startsWith('5a000001000c')) {
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socket.write(new Buffer(config.OUTPUT_6));
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return;
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}
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}
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function doWork(db, socket, data) {
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if(data == "") return;
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var length = map[data.slice(0, 12)];
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if(length > 0) {
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var value = data.slice(0, length);
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console.log(moment().format('YYYY-MM-DD HH:mm:ss') + " => " + value);
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handleData(db, socket, value);
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doWork(db, socket, data.slice(length));
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}
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}
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mongoClient.connect(config.URL, function(err, db) {
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if (err) return;
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console.log('Connecting to Mongo DB at ' + config.URL);
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net.createServer().on('connection', function(socket){
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console.log('CONNECTED: ' + socket.remoteAddress +':'+ socket.remotePort);
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socket.on('data', function(data) {
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if(data == null) {
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console.log("Error - invalid data - null or undefined");
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return;
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}
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var value = data.toString('hex').toLowerCase();
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if(value.length < 12) {
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console.log("Error - invalid data - less than 12 character long");
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return;
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}
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//console.log(moment().format('YYYY-MM-DD HH:mm:ss') + " => " + value);
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doWork(db, socket, value);
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});
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socket.on('end', function(){
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});
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socket.on('error', function(error) {
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console.log(error);
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socket.end();
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});
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socket.on('timeout',function(){
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socket.end();
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});
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socket.on('close', function(data) {
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console.log('Closed socket: ' + socket.remoteAddress +' '+ socket.remotePort);
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});
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socket.on('close', function(data) {
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console.log('Closed socket: ' + socket.remoteAddress + ' ' + socket.remotePort);
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});
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}).listen(config.PORT, config.HOST);
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console.log('TCP Server listening on ' + config.HOST + ':' + config.PORT);
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});
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