wiegand-daemon
Version:
Local network daemon to connect Wiegand access controller and remote server. 微耕门禁控制板局域网守护进程，用于与远端服务器通讯
206 lines (205 loc) • 9.79 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var dgram_1 = __importDefault(require("dgram"));
var net_1 = require("net");
var wiegand_control_1 = __importStar(require("wiegand-control"));
var getLocalIp_1 = __importDefault(require("./utils/getLocalIp"));
var dotenv_1 = __importDefault(require("dotenv"));
dotenv_1.default.config();
var localIp = getLocalIp_1.default();
console.log("[DMN] Local ip address is " + localIp + ".");
var localPort = +(process.env.LOCAL_PORT || 6000);
var remotePort = +(process.env.REMOTE_PORT || 8000);
var remoteHost = process.env.REMOTE_HOST;
var storeId = process.env.STORE_ID;
var searchTimeout = +(process.env.SEARCH_TIMEOUT || 3000);
var searchInterval = +(process.env.SEARCH_INTERVAL || 300000);
if (!remoteHost || !storeId) {
throw new Error("invalid_config");
}
var controllerBySerial = {};
var searchingControllerBySerial = {};
var socket = dgram_1.default.createSocket("udp4"); // local network using udp
var client = new net_1.Socket(); // remote network using tcp
socket.on("error", function (err) {
console.log("[UDP] Error:\n" + err.stack + ".");
socket.close();
});
socket.on("message", function (msg, rinfo) {
var message = wiegand_control_1.parseData(msg);
console.log("[UDP] Got message from " + rinfo.address + ":" + rinfo.port + ".", JSON.stringify(message));
if (message.funcName === "Search") {
searchingControllerBySerial[message.serial] = new wiegand_control_1.default(socket, message.serial, localIp, localPort, message.ip);
}
else {
client.write(msg, function (err) {
if (err) {
console.error(err.message);
return;
}
});
}
});
socket.on("listening", function () { return __awaiter(void 0, void 0, void 0, function () {
var address;
return __generator(this, function (_a) {
address = socket.address();
console.log("[UDP] Listening " + address.address + ":" + address.port + ".");
console.log("[TCP] Connecting " + remoteHost + ":" + remotePort + "...");
client.connect(remotePort, remoteHost);
client.setTimeout(1000);
return [2 /*return*/];
});
}); });
socket.bind(localPort);
setInterval(function () { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, searchAndReportLocalControllers(socket, client)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); }, searchInterval);
client.on("connect", function () { return __awaiter(void 0, void 0, void 0, function () {
var address, port;
return __generator(this, function (_a) {
address = client.remoteAddress;
port = client.remotePort;
console.log("[TCP] Connected to " + address + ":" + port + ".");
client.setTimeout(360000);
searchAndReportLocalControllers(socket, client);
return [2 /*return*/];
});
}); });
client.on("timeout", function () {
console.log("[TCP] Connection timeout.");
client.destroy(new Error("timeout"));
});
client.on("close", function () {
console.log("[TCP] Closed, reconnect in 10 seconds.");
setTimeout(function () {
client.connect(remotePort, remoteHost);
}, 10000);
});
client.on("error", function (err) {
console.error("[TCP] Error: " + err.message + ".");
});
client.on("data", function (data) { return __awaiter(void 0, void 0, void 0, function () {
var parsedData, serial, controller;
return __generator(this, function (_a) {
// console.log(`[TCP] got remote data\n`, data);
if (data.length !== 64) {
console.log("[TCP] Data:", data.toString());
return [2 /*return*/];
}
parsedData = wiegand_control_1.parseData(data);
serial = parsedData.serial;
if (!serial) {
controller = new wiegand_control_1.default(socket);
}
else if (controllerBySerial[serial]) {
controller = controllerBySerial[serial];
}
else {
console.error("[DMN] Controller " + serial + " not found, trying re-search.");
new wiegand_control_1.default(socket).search();
return [2 /*return*/];
}
controller.sendData(data.readUInt8(1), Buffer.from(data
.slice(8)
.toString("hex")
.replace(/(00)*$/, ""), "hex"));
return [2 /*return*/];
});
}); });
function searchAndReportLocalControllers(socket, client) {
return __awaiter(this, void 0, void 0, function () {
var searchingSerials, serials;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
socket.setBroadcast(true);
searchingControllerBySerial = {};
new wiegand_control_1.default(socket).search();
return [4 /*yield*/, new Promise(function (resolve) {
setTimeout(function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
resolve();
return [2 /*return*/];
});
}); }, searchTimeout);
})];
case 1:
_a.sent();
socket.setBroadcast(false);
searchingSerials = Object.keys(searchingControllerBySerial);
serials = Object.keys(controllerBySerial);
if (!(searchingSerials.length === serials.length &&
searchingSerials.every(function (serial) { return serials.includes(serial); }))) {
console.log("[UDP] Search timeout, controller changed:", Object.keys(searchingControllerBySerial).join(","));
}
console.log("[TCP] Reporting searched controllers: " + Object.keys(searchingControllerBySerial).join(","));
if (client.writable) {
client.write("store " + JSON.stringify({
storeId: storeId,
serials: Object.keys(searchingControllerBySerial).map(function (s) { return +s; })
}) + "\r\n");
}
controllerBySerial = searchingControllerBySerial;
if (searchingSerials.length < serials.length) {
console.warn("[DMN] Some controller is lost, controllers left: " + Object.keys(controllerBySerial).join(","));
}
return [2 /*return*/];
}
});
});
}