node-beanstalk
Version:
The most comprehensive beanstalk client for nodejs
165 lines • 8.78 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 (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Connection = void 0;
var events_1 = require("events");
var net_1 = require("net");
var ConnectionError_1 = require("./error/ConnectionError");
var Connection = /** @class */ (function (_super) {
__extends(Connection, _super);
function Connection() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this._state = 'closed';
return _this;
}
Connection.prototype.getState = function () {
return this._state;
};
Connection.prototype.isChangingState = function () {
return this._state === 'opening' || this._state === 'closing';
};
Connection.prototype.open = function (port, host) {
if (host === void 0) { host = 'localhost'; }
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
if (this.isChangingState()) {
throw new ConnectionError_1.ConnectionError(ConnectionError_1.ConnectionErrorCode.ErrChangingState, "Unable to open connection that is already changing it's state");
}
if (this._state === 'open') {
throw new ConnectionError_1.ConnectionError(ConnectionError_1.ConnectionErrorCode.ErrAlreadyOpened, "Unable to open connection that is already opened");
}
this._state = 'opening';
return [2 /*return*/, new Promise(function (resolve, reject) {
var socket = new net_1.Socket();
_this._socket = socket;
socket
.setNoDelay(true)
.setKeepAlive(true)
.on('close', function () { return _this.emit('close'); })
.on('error', function (err) { return reject(err); })
.on('data', function (data) { return _this.emit('data', data); })
.connect(port, host, function () {
socket.off('error', reject).on('error', function (err) {
// ignore disconnect errors during disconnect procedure
if (_this._state === 'closing' && (err.code === 'ECONNRESET' || err.code === 'EPIPE')) {
return;
}
_this.emit('error', err);
});
_this._state = 'open';
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
_this.emit('open', socket.remotePort, socket.remoteAddress);
resolve();
});
})];
});
});
};
Connection.prototype.close = function () {
return __awaiter(this, void 0, void 0, function () {
var sock;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (this.isChangingState()) {
throw new ConnectionError_1.ConnectionError(ConnectionError_1.ConnectionErrorCode.ErrChangingState, "Unable to close connection that is already changing it's state");
}
if (this._state === 'closed') {
throw new ConnectionError_1.ConnectionError(ConnectionError_1.ConnectionErrorCode.ErrAlreadyClosed, "Unable to close connection that is already closed");
}
this._state = 'closing';
sock = this._socket;
if (!sock) return [3 /*break*/, 3];
return [4 /*yield*/, new Promise(function (resolve) {
sock.end(resolve);
})];
case 1:
_a.sent();
return [4 /*yield*/, sock.destroy()];
case 2:
_a.sent();
_a.label = 3;
case 3:
this._socket = undefined;
this._state = 'closed';
return [2 /*return*/];
}
});
});
};
Connection.prototype.write = function (buffer) {
return __awaiter(this, void 0, void 0, function () {
var sock;
return __generator(this, function (_a) {
sock = this._socket;
if (this._state !== 'open' || !sock) {
throw new ConnectionError_1.ConnectionError(ConnectionError_1.ConnectionErrorCode.ErrNotOpened, 'Unable to write to connection that is not opened yet');
}
return [2 /*return*/, new Promise(function (resolve, reject) {
sock.write(buffer, function (err) {
if (err) {
reject(err);
}
else {
resolve(buffer);
}
});
})];
});
});
};
return Connection;
}(events_1.EventEmitter));
exports.Connection = Connection;
//# sourceMappingURL=Connection.js.map