ethernet-ip
Version:
A feature-complete EtherNet/IP client for Rockwell ControlLogix/CompactLogix PLCs
92 lines • 3.17 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.TCPTransport = void 0;
const net = __importStar(require("net"));
class TCPTransport {
constructor() {
this.socket = new net.Socket();
}
get connected() {
return !this.socket.destroyed && this.socket.readyState === 'open';
}
connect(host, port, timeoutMs) {
return new Promise((resolve, reject) => {
this.socket = new net.Socket();
let timer;
const cleanup = () => {
if (timer)
clearTimeout(timer);
this.socket.removeListener('connect', onConnect);
this.socket.removeListener('error', onError);
};
const onConnect = () => {
cleanup();
resolve();
};
const onError = (err) => {
cleanup();
reject(err);
};
this.socket.once('connect', onConnect);
this.socket.once('error', onError);
this.socket.connect(port, host);
if (timeoutMs !== undefined) {
timer = setTimeout(() => {
cleanup();
this.socket.destroy();
reject(new Error(`TCP connect timed out after ${timeoutMs}ms`));
}, timeoutMs);
}
});
}
write(data) {
this.socket.write(data);
}
onData(handler) {
this.socket.on('data', handler);
}
onClose(handler) {
this.socket.on('close', handler);
}
onError(handler) {
this.socket.on('error', handler);
}
close() {
this.socket.destroy();
}
}
exports.TCPTransport = TCPTransport;
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