/*
加载js时创建长连接
*/
if(window.WebSocket){
	// console.log("浏览器支持websocket");
}else{
	console.log("浏览器不支持websocket");
}

var g_pServer = null;
nativeWebsocket=async function(obj){
	let callBack = obj.CallBack; //回调函数
	let isAsync = typeof(callBack) == "function"; //判断回调函数是不是方法
	let callData = obj.CallData;
	if(isAsync){		
		if(callData&&window[callData]){
			// console.info("异步模式 复用websocket控件...");
			window[callData].send(obj.data);
			window[callData].onmessage = function(event) {		
				callBack(event.data,callData);
			};	
		}else{
			// console.info("异步模式 新建websocket对象...");
			let g_pLisServer = "g_pLisServer" + new Date().getTime();
			window[g_pLisServer] = new WebSocket(obj.url);
			window[g_pLisServer].onopen = function(event) {
				window[g_pLisServer].send(obj.data);
			};
			window[g_pLisServer].onmessage = function(event) {		
				callBack(event.data,g_pLisServer);
				// window[g_pLisServer].close(); //成功关闭当前链接
			};	  
			window[g_pLisServer].onclose = function(event) {
				console.info("异步模式websocket-lis关闭..."+g_pLisServer);
			};
			window[g_pLisServer].onerror = function(event) {
				console.info("异步模式websocket-lis异常..."+g_pLisServer);
			};
		}	
	}else{	
		if(!g_pServer||g_pServer.readyState==3||g_pServer.readyState==2){
			g_pServer = new WebSocket(obj.url);
			// console.info("websocket链接未创建或正在关闭或已关闭/或没有连接成功时重新创建...");
			return new Promise((resolve, reject) => {
				g_pServer.onopen =function(event) {
					g_pServer.send(obj.data);
				};
				g_pServer.onmessage =function(event) {			  
					resolve(event.data);   //通过promise对象data属性传递接口返回值
				};
				g_pServer.onclose = function(event) {
					console.info("websocket关闭...g_pServer");
				};
				g_pServer.onerror = function(event) {
					console.info("websocket异常...g_pServer");
				};	
			});
		}else{ 
			// console.log("已有常连接");
			return new Promise((resolve, reject) => {
				g_pServer.send(obj.data)
				g_pServer.onmessage =function(event) {			
					resolve(event.data); //通过promise对象返回接口同步数据
				};        
			});
			
		}
	}
}