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tqxz-sn-message-platform/app/middleware/socket/socketServer.js

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JavaScript
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2026-03-27 17:57:44 +08:00
const net = require('net');
module.exports = (app) => {
const { middleware } = app;
const shunt = middleware.shunt;
net.createServer(function (socket) {
socket.on('lookup', function (data) {
console.log(data);
console.log('lookup')
});
socket.on('connection', function (data) {
console.log(data);
console.log('socket客户端已连接');
});
socket.on('data', async function (data) {
let value = data.toString('hex');
console.log(value);
let response = "000000068100";
socket.write(Buffer.from(response, 'hex'));
// 00000043010000000000000000000000000000000000000000 18 31353037365f32303236303330333135313835315f323832 00 0f 0102030405060708090a0b0c0d0e0f
let sn_value = value.slice(52, 100),
snBuffer = Buffer.from(sn_value, 'hex'),
snNumber = snBuffer.toString('ascii').split("_")[0],
msg_value = value.slice(104, value.length),
msgBuffer = Buffer.from(msg_value, 'hex'),
msgData = msgBuffer.toString('ascii');
console.log(msgData)
// socket接收消息后触发事件监听器,将消息发送给websocket客户端并存储在数据库中
shunt.socketEmitter().emit(snNumber, { msg_data: msgData, created_at: new Date() });
await app.curl('http://127.0.0.1:' + app.server.address().port + '/shortMsg', {
dataType: 'json',
contentType: 'application/x-www-form-urlencoded',
method: 'POST',
timeout: 3000,
data: {
sn_number: snNumber,
original_msg: value,
msg_data: msgData,
created_at: new Date()
},
});
});
socket.on('end', function (data) {
console.log(data);
console.log('end');
});
socket.on('timeout', function (data) {
console.log(data);
console.log('空闲超时');
});
socket.on('drain', function (data) {
console.log(data);
console.log('写缓存为空');
});
socket.on('error', function (data) {
console.log(data);
console.log('发生错误');
});
socket.on('close', function (data) {
console.log(data);
console.log('socket客户端已断开连接');
});
socket.pipe(socket);
}).listen(8100, function () {
console.log('socket服务器已启动,监听端口:8100');
});
}