@iotize/device-client.js
Version:
IoTize Device client for Javascript
238 lines (237 loc) • 11.5 kB
JavaScript
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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 logger_1 = require("../../logger");
var format_1 = require("../../core/format");
var logger = logger_1.default('Relay');
var ComRelayError = /** @class */ (function (_super) {
__extends(ComRelayError, _super);
function ComRelayError(code, msg) {
var _this = _super.call(this, msg) || this;
_this.code = code;
return _this;
}
ComRelayError.illegalArgument = function (message) {
return new ComRelayError(ComRelayError.Code.IllegalArgmentError, message);
};
return ComRelayError;
}(Error));
exports.ComRelayError = ComRelayError;
(function (ComRelayError) {
var Code;
(function (Code) {
Code["IllegalArgmentError"] = "IllegalArgmentError";
})(Code = ComRelayError.Code || (ComRelayError.Code = {}));
})(ComRelayError = exports.ComRelayError || (exports.ComRelayError = {}));
exports.ComRelayError = ComRelayError;
/**
* This is an experimental feature.
*
* @experimental
*/
var ComRelay = /** @class */ (function () {
// private IRelayCallback mCallback;
// public final RelayServiceInfoModel mRelayInfo;
// private DefaultSocketServer mSocketServer;
// private WebSocketServer mWebSocketServer;
/**
* @param sourceProtocol protocol that will received commands
* @param targetProtocol protocol on wich commmand will be sent
*/
function ComRelay(sourceProtocol, targetProtocol) {
if (sourceProtocol) {
this.setSourceProtocol(sourceProtocol);
}
if (targetProtocol) {
this.setTargetProtocol(targetProtocol);
}
}
ComRelay.prototype.setSourceProtocol = function (protocol) {
if (this.mSourceProtocol) {
this.removeSourceProtocol();
}
this.mSourceProtocol = protocol;
return this;
};
ComRelay.prototype.removeSourceProtocol = function () {
if (this._sourceProtocolSubscription) {
this._sourceProtocolSubscription.unsubscribe();
this._sourceProtocolSubscription = undefined;
}
this.mSourceProtocol = undefined;
return this;
};
ComRelay.prototype.setTargetProtocol = function (protocol) {
this.mTargetProtocol = protocol;
return this;
};
ComRelay.prototype.start = function (options) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, promiseTimout(options ? options.timeout || -1 : -1, function (resolve, reject) { return __awaiter(_this, void 0, void 0, function () {
var ex_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 5, , 6]);
if (!this.mSourceProtocol) {
throw ComRelayError.illegalArgument('Missing source protocol');
}
if (!this.mTargetProtocol) {
throw ComRelayError.illegalArgument("Missing target protocol");
}
if (!!this.mSourceProtocol.isConnected()) return [3 /*break*/, 2];
logger.log("Connecting to source protocol...");
return [4 /*yield*/, this.mSourceProtocol.connect().toPromise()];
case 1:
_a.sent();
_a.label = 2;
case 2:
if (!!this.mTargetProtocol.isConnected()) return [3 /*break*/, 4];
logger.log("Connecting to target protocol...");
return [4 /*yield*/, this.mTargetProtocol.connect().toPromise()];
case 3:
_a.sent();
_a.label = 4;
case 4:
logger.log("Source/Target are now connected. Listening to messages...");
// We need to reconnect
this.listenToDataStream();
resolve();
return [3 /*break*/, 6];
case 5:
ex_1 = _a.sent();
reject(ex_1);
return [3 /*break*/, 6];
case 6: return [2 /*return*/];
}
});
}); })];
});
});
};
ComRelay.prototype.stop = function () {
if (this.mTargetProtocol && this.mTargetProtocol.isConnected()) {
this.mSourceProtocol.disconnect();
}
if (this.mSourceProtocol && this.mSourceProtocol.isConnected()) {
this.mSourceProtocol.disconnect();
}
};
ComRelay.prototype.listenToDataStream = function () {
var _this = this;
// if (!this.mSourceProtocol!.isConnected()){
// await this.mSourceProtocol!.connect();
// }
return new Promise(function (resolve, reject) {
_this._sourceProtocolSubscription = _this.mSourceProtocol
.receiveStream()
.subscribe({
next: function (data) {
if (!data) {
logger.error("Received null event...");
return;
}
if (!_this.mTargetProtocol) {
logger.error("Target protocol is null. Cannot redirect message to it");
return;
}
try {
logger.debug("Received new message", format_1.FormatHelper.toHexString(data));
_this.mTargetProtocol
.send(data)
.toPromise()
// .catch((err) => {
// logger.error(`Source cannot send to target protocol`, err);
// // TODO check if we are still connected
// return Response.create();
// })
.then(function (response) {
logger.debug("Target protocol responded with: ", format_1.FormatHelper.toHexString(response));
return _this.mSourceProtocol.write(response);
})
.then(function () {
logger.debug("Successfully sent response!");
})
.catch(function (err) {
logger.error("Cannot transfer response to source protocol: " + err + " JSON=" + JSON.stringify(err), err);
});
}
catch (err) {
logger.error("Source cannot transfer data to target due to error: " + err, err);
}
},
error: function (err) {
logger.error("Error occured " + err);
},
complete: function () {
resolve();
}
});
});
};
ComRelay.prototype.onStop = function () {
// TODO cleanup
return this;
};
return ComRelay;
}());
exports.ComRelay = ComRelay;
function promiseTimout(ms, callback) {
return new Promise(function (resolve, reject) {
logger.log("promiseTimout start with " + ms + " milliseconds");
// Set up the real work
callback(resolve, reject);
// Set up the timeout
if (ms >= 0) {
setTimeout(function () {
reject('Promise timed out after ' + ms + ' ms');
}, ms);
}
});
}