@iotize/device-client.js
Version:
IoTize Device client for Javascript
182 lines (181 loc) • 8.44 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var rxjs_1 = require("rxjs");
var core_1 = require("../../core");
var buffer_1 = require("buffer");
var logger_1 = require("../../logger");
var logger = logger_1.default('Relay');
var RelayServer = /** @class */ (function () {
function RelayServer(_server, params) {
this._server = _server;
this._params = params || {
port: 2000
};
this._clients = [];
}
Object.defineProperty(RelayServer.prototype, "server", {
get: function () {
return this._server;
},
enumerable: true,
configurable: true
});
RelayServer.prototype.addClient = function (socket) {
this._clients.push(socket);
return this;
};
RelayServer.prototype.removeClient = function (client) {
var index = this._clients.indexOf(client);
if (index >= 0) {
client.close();
logger.debug("Removing client " + client.getClientName() + "...");
delete this._clients[index];
}
return this;
};
RelayServer.prototype.start = function () {
var _this = this;
this._subscription = new rxjs_1.Subject();
this._server
.connections()
.subscribe(function (socket) { return __awaiter(_this, void 0, void 0, function () {
var clientName;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
clientName = socket.getClientName();
logger.log("[NEW_CLIENT] " + clientName);
return [4 /*yield*/, socket.ready()];
case 1:
_a.sent();
logger.log("[NEW_CLIENT] " + clientName + " IS READY");
// Put this new client in the list
this.addClient(socket);
socket
.events()
.subscribe({
next: function (event) {
switch (event.type) {
case 'data':
var messageString = _this.messageToLog(event.payload);
logger.log("[MESSAGE] " + messageString + " from " + clientName);
_this.broadcastMessage(event.payload, socket);
break;
case 'error':
logger.error("[ERROR] " + clientName + " ", event.payload);
// Do we have to remove client every time ?
_this.removeClient(socket);
break;
case 'end':
logger.log("[CLIENTEND] " + clientName);
_this.removeClient(socket);
break;
}
}
});
return [2 /*return*/];
}
});
}); });
return this._server.listen(this._params);
};
RelayServer.prototype.stop = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
this._clients.forEach(function (client) {
client.close();
});
if (!this._server) return [3 /*break*/, 2];
return [4 /*yield*/, this._server.stop()];
case 1:
_a.sent();
_a.label = 2;
case 2:
if (this._subscription) {
this._subscription.complete();
}
return [2 /*return*/];
}
});
});
};
RelayServer.prototype.broadcastMessage = function (message, sender) {
var messageString = this.messageToLog(message);
logger.log("[BROADCAST] " + messageString + " from " + sender.getClientName());
if (this._clients.length == 0) {
logger.warn("There is no client yet");
return;
}
// Send a message to all clients
this._clients.forEach(function (client) {
// Don't want to send it to sender
try {
if (client === sender) {
logger.debug("\t- Skip sender " + client.getClientName());
return;
}
if (client.isWritable()) {
logger.log("\t- Sent to " + client.getClientName());
client.write(message);
}
else {
logger.warn("Client " + client.getClientName() + " is not writable. Cannot send to it");
}
}
catch (err) {
logger.error("Cannot broadcast to " + client.getClientName(), err);
}
});
};
RelayServer.prototype.messageToLog = function (message) {
if (typeof message === "string") {
return "\"" + message + "\"";
}
else if (message instanceof buffer_1.Buffer) {
return core_1.FormatHelper.toHexString(message);
}
else {
return message;
}
};
return RelayServer;
}());
exports.RelayServer = RelayServer;