aodianyun-lcps-mcp/help_func_LcpsWebsocketClient.js

奥点云活动导播台工程MCP服务

import WebSocket from 'ws';

const LCPSWebsocketClient = function (wsaddr, topic, onOpenCallback, onMsgCallback) {

	var topic = topic || "lcps.call";
	let close = false;

	var ws = null;
	var Connect = function () {
		var wsTmp = new WebSocket(wsaddr);
		wsTmp.on('open', function open() {
			wsTmp.send(JSON.stringify({
				"event": "StartSubscribeMessage",
				"data": {
					"variefy": "fLJJFM2xUNmOoIpr",
					"topic": topic,
				}
			}), function (err) { });
			// ws.send(Date.now());
			ws = wsTmp;
			if (onOpenCallback) {
				onOpenCallback();
			}
		});

		wsTmp.on('message', function incoming(message) {
			if (onMsgCallback) {
				var json = JSON.parse(message);
				if (json == null) {
					return;
				}
				onMsgCallback(json);
			}
		});

		wsTmp.on('error', function close() {
			ws = null;
			setTimeout(function () {
				if (!close) {
					Connect();
				}
			}, 1000);
		});

		wsTmp.on('close', function close() {
			ws = null;
			setTimeout(function () {
				if (!close) {
					Connect();
				}
			}, 1000);
		});
	}
	Connect();

	this.Send = function (msg) {
		if (close) {
			return;
		}
		if (ws) {
			ws.send(msg, function (err) { });
		}
	}

	this.Close = function () {
		close = true;
		if (ws) {
			ws.close();
		}
	}
}

export { LCPSWebsocketClient };