北斗短报文通信服务平台

2026-03-27 17:51:58 +08:00
commit 90a8407924
103 changed files with 2714 additions and 0 deletions
--- a/app/middleware/socket/socketClient.js
+++ b/app/middleware/socket/socketClient.js
@@ -0,0 +1,135 @@
+// socket客户端
+const net = require('net');
+
+module.exports = (app) => {
+    const { middleware } = app;
+    const packageBuild = middleware.packageBuild;
+    const utils = middleware.utils;
+    const parseDataPackage = middleware.parseDataPackage;
+    const shunt = middleware.shunt;
+
+    const client = new net.Socket();
+
+    let times, connectSwitch = true, reconnectSwitch = false;
+
+    setTimeout(() => {
+        reconnectSwitch = true;
+    }, 66000);
+
+    const createClient = () => {
+        if(connectSwitch) {
+            connectSwitch = false;
+            client.connect(app.config.socketClient.port, app.config.socketClient.ip, () => {
+                console.log(`socket: 连接到服务端: ${app.config.socketClient.ip + ':' + app.config.socketClient.port}`);
+                client.setKeepAlive(true, 60000);
+                reconnectSwitch = true;
+            });
+        }
+    };
+
+    createClient();
+
+    // 重连服务端
+    const reconnect = () => {
+        if (reconnectSwitch) {
+            reconnectSwitch = false;
+            setTimeout(() => {
+                connectSwitch = true;
+                createClient();
+            }, 66000);
+        }
+    };
+
+    client.on('connectTimeout', () => {
+        reconnect();
+    });
+
+    client.on('timeout', () => {
+        reconnect();
+    });
+
+    client.on('end', () => {
+        reconnect();
+    });
+
+    client.on('close', () => {
+        reconnect();
+    });
+
+    client.on('error', (err) => {
+        utils.log('../../../socketLog', err);
+        reconnect();
+    });
+
+    client.on('connect', () => {
+        // 连接成功后的逻辑...
+        client.write(packageBuild.packageBuild(app, [utils.packageItem(2, 100) + utils.packageItem(2, packageBuild.buildXFType100(app.config.socketClient.token).length / 2) + packageBuild.buildXFType100(app.config.socketClient.token)]));
+    });
+
+    client.on('data', async (data) => {
+        // 在这里可以处理从服务器接收到的数据
+        // utils.log('../../../socketLog', data);
+        let msg = parseDataPackage.parseDataPackage(middleware, data.toString('hex').slice(0, data.toString('hex').length - 16));
+        if (msg == utils.intrinsic.heart) {
+            clearTimeout(times);
+            times = setTimeout(() => {
+                client.write(Buffer.from(msg, 'hex'));
+            }, 10000);
+        } else {
+            let nowResult = shunt.socketResult(msg.dataContent.nowData);
+            let resendResult = shunt.socketResult(msg.dataContent.resendData);
+            // 当前消息处理
+            if (nowResult.type == 99) {
+                // token验证处理程序
+                if (nowResult.data == '1') {
+                    client.write(Buffer.from(utils.intrinsic.heart, 'hex'));
+                } else {
+                    reconnect();
+                }
+            } else if (nowResult.type == 4) {
+                const { msgContent } = nowResult.data;
+                const { outboundMsg, receiverAddress, originalMsg } = msgContent;
+                const { senderAddress, msgData, encodingCategory } = outboundMsg;
+                // 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(senderAddress.data, { encode_type: parseInt(encodingCategory.data), msg_data: msgData.data, 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: {
+                        card_id: senderAddress.data,
+                        receiver_address: receiverAddress.data,
+                        original_msg: originalMsg,
+                        send_type: 0,
+                        encode_type: parseInt(encodingCategory.data),
+                        msg_data: msgData.data,
+                        created_at: new Date()
+                    },
+                });
+            }
+            // 重发消息处理
+            if (resendResult && resendResult.type == 4) {
+                const { msgContent } = resendResult.data;
+                const { outboundMsg, receiverAddress } = msgContent;
+                const { senderAddress, msgData, encodingCategory } = outboundMsg;
+                // 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(senderAddress.data, msgData.data);
+                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: {
+                        card_id: senderAddress.data,
+                        receiver_address: receiverAddress.data,
+                        msg: data.toString(),
+                        send_type: 1,
+                        encode_type: parseInt(encodingCategory.data),
+                        msg_data: msgData.data,
+                    },
+                });
+            }
+        }
+    });
+};