122 lines
2.9 KiB
JavaScript
122 lines
2.9 KiB
JavaScript
var websocket = function(addr) {
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var app = getApp();
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var thos = this;
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this.buffer = new Array(); //发送数据缓冲区
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this.reOpenData = [2, 5, 3, 5, 5, 3, 5, 8, 10, 20, 30, 30]; //断线重连，每次间隔时间/秒
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this.reOpen = 0; //断线重连次数
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this.keepAliveTimer = setInterval(function() {
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console.log('keep');
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try {
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if (thos.wsock && thos.wsock.readyState !== 1) {
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thos.reOpenSec--;
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if (thos.reOpenSec <= 0) {
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thos.reOpen++;
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thos.reOpenSec = 10;
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thos.open();
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}
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return;
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}
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if (thos.buffer.length > 0) {
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var data = thos.buffer.pop();
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thos.send(data);
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} else {
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if (new Date().getTime() - thos.last_health_time >= 15000 && thos.wsock
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.readyState === 1) {
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thos.wsock.send({
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data: 'h'
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});
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thos.last_health_time = new Date().getTime();
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}
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}
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} catch (err) {
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app.uperr("app.ws.error", err);
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}
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}, 1000);
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this.setOpenSec = function() {
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(thos.reOpen < thos.reOpenData.length) ? thos.reOpenSec = thos.reOpenData[thos.reOpen]: thos
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.reOpenSec = 90; //断线重试太多后的间隔时间
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}
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this.open = function() {
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try {
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if (thos.wsock && thos.wsock.trueClose)
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return;
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thos.setOpenSec();
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if (thos.wsock) {
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if (thos.wsock.readyState == 1)
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return;
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thos.wsock.close();
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}
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thos.wsock = uni.connectSocket({
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url: addr,
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complete: () => {}
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});
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thos.wsock.onOpen(function(event) {
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try {
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thos.reOpen = 0;
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thos.last_health_time = new Date().getTime();
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if (typeof(thos.onopen) == "function")
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thos.onopen(event);
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} catch (err) {
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app.uperr('app.ws.onopen', err);
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}
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});
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thos.wsock.onMessage(function(e) {
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try {
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if (typeof(thos.onmessage) == "function")
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thos.onmessage(e);
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} catch (err) {
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app.uperr('app.ws.onmessage', err);
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}
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});
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thos.wsock.onClose(function(e) {
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try {
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if (thos.wsock.trueClose) {
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clearInterval(thos.keepAliveTimer);
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return;
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}
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thos.setOpenSec();
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if (typeof(thos.onclose) == "function")
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thos.onclose(e);
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} catch (err) {
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app.uperr('app.ws.onclose', err);
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}
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});
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thos.wsock.onError(function(e) {
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try {
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thos.setOpenSec();
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if (typeof(thos.onerror) == "function")
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thos.onerror(e);
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} catch (err) {
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app.uperr('app.ws.onerror', err);
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}
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});
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} catch (err) {
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console.log(app, err);
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app.uperr('app.ws.open', err);
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}
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}
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this.send = function(msg) {
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try {
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if (this.wsock === undefined || this.wsock.trueClose)
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return false;
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if (this.wsock.readyState !== 1 || this.wsock.bufferedAmount > 0)
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this.buffer.push(msg);
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else {
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this.wsock.send({
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data: msg
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});
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this.last_health_time = new Date().getTime();
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}
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return true;
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} catch (err) {
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app.uperr('app.ws.send', err);
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}
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}
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this.close = function(send) {
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this.wsock.trueClose = true;
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this.wsock.close();
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}
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this.open();
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};
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export default websocket |