steam-condenser
Version:
TypeScript port of steam-condenser.
186 lines • 8.66 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
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 extendStatics(d, b);
};
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) {
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 };
};
Object.defineProperty(exports, "__esModule", { value: true });
var dgram_1 = __importDefault(require("dgram"));
var Socket_1 = __importDefault(require("./Socket"));
var asyncTimer_1 = require("./asyncTimer");
var bufferSize = 4096;
var UDPSocket = /** @class */ (function (_super) {
__extends(UDPSocket, _super);
function UDPSocket() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.socket = dgram_1.default.createSocket('udp4');
_this.buffer = Buffer.alloc(bufferSize);
_this.receivedBytes = 0;
return _this;
}
UDPSocket.prototype.connect = function () {
var _this = this;
return new Promise(function (resolve) {
_this.socket = dgram_1.default.createSocket('udp4');
_this.open = true;
_this.buffer = Buffer.alloc(bufferSize);
_this.socket.on('message', function (data) {
_this.buffer = Buffer.concat([_this.buffer.slice(0, _this.receivedBytes), data]);
_this.receivedBytes += data.length;
});
_this.socket.connect(_this.port, _this.ipAddress, function () { return resolve(); });
});
};
UDPSocket.prototype.close = function () {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve) {
try {
_this.socket.disconnect();
_this.socket.close();
_this.socket.on('close', function () {
_this.open = false;
resolve();
});
}
catch (e) {
// FIXME: Ignore?
}
})];
});
});
};
UDPSocket.prototype.send = function (buffer) {
var _this = this;
return new Promise(function (resolve, reject) {
if (typeof _this.socket === 'undefined') {
throw new Error('socket is undefined');
}
_this.socket.send(buffer, function (err) {
if (err) {
reject(err);
}
else {
resolve();
}
});
});
};
UDPSocket.prototype.recvBytes = function (bytes) {
var _this = this;
if (bytes === void 0) { bytes = 0; }
var received = Buffer.alloc(bytes);
var stored = 0;
return asyncTimer_1.doWithin(new Promise(function (resolve, reject) {
var dataFn = function () {
if (_this.receivedBytes > 0) {
if (bytes === 0) {
_this.socket.off('message', dataFn);
// eslint-disable-next-line @typescript-eslint/no-use-before-define
_this.socket.off('error', errorFn);
_this.receivedBytes = 0;
resolve(_this.buffer);
}
else {
var readBytes = Math.min(_this.receivedBytes, bytes - stored);
_this.buffer.copy(received, stored, 0, readBytes);
_this.buffer.copyWithin(0, readBytes, _this.receivedBytes);
_this.receivedBytes -= readBytes;
stored += readBytes;
if (stored >= bytes) {
_this.socket.off('message', dataFn);
// eslint-disable-next-line @typescript-eslint/no-use-before-define
_this.socket.off('error', errorFn);
resolve(received);
}
}
}
};
var errorFn = function (error) {
_this.socket.off('message', dataFn);
_this.socket.off('error', errorFn);
reject(error);
};
_this.socket.on('message', dataFn);
_this.socket.on('error', errorFn);
dataFn();
}), this.timeout);
};
UDPSocket.prototype.recv = function (fn) {
var _this = this;
var returned = false;
return asyncTimer_1.doWithin(new Promise(function (resolve, reject) {
var dataFn = function (data) {
if (returned) {
return;
}
var done = fn(data);
if (done !== false) {
returned = true;
resolve(done);
_this.socket.off('message', dataFn);
// eslint-disable-next-line @typescript-eslint/no-use-before-define
_this.socket.off('error', errorFn);
}
};
var errorFn = function (err) {
reject(err);
_this.socket.off('message', dataFn);
_this.socket.off('error', errorFn);
};
_this.socket.on('message', dataFn);
_this.socket.on('error', errorFn);
}), this.timeout);
};
return UDPSocket;
}(Socket_1.default));
exports.default = UDPSocket;
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