Исправление проблемы нескольких одновременных попыток подключения по WebSocket
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@@ -1,3 +1,5 @@
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import * as utils from '../share/utils';
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const cleanPeriod = 60*1000;//1 минута
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class WebSocketConnection {
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@@ -9,6 +11,8 @@ class WebSocketConnection {
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this.messageQueue = [];
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this.messageLifeTime = messageLifeTime;
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this.requestId = 0;
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this.connecting = false;
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}
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addListener(listener) {
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@@ -53,14 +57,22 @@ class WebSocketConnection {
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}
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open(url) {
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return new Promise((resolve, reject) => {
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return new Promise((resolve, reject) => { (async() => {
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//Ожидаем окончания процесса подключения, если open уже был вызван
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let i = 0;
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while (this.connecting && i < 200) {//10 сек
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await utils.sleep(50);
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i++;
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}
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if (i >= 200)
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this.connecting = false;
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//проверим подключение, и если нет, то подключимся заново
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if (this.ws && this.ws.readyState == WebSocket.OPEN) {
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resolve(this.ws);
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} else {
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let protocol = 'ws:';
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if (window.location.protocol == 'https:') {
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protocol = 'wss:'
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}
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this.connecting = true;
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const protocol = (window.location.protocol == 'https:' ? 'wss:' : 'ws:');
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url = url || `${protocol}//${window.location.host}/ws`;
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@@ -72,10 +84,9 @@ console.log('new connection');
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}
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this.timer = setTimeout(() => { this.periodicClean(); }, cleanPeriod);
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let resolved = false;
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this.ws.onopen = (e) => {
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console.log(this.ws.readyState);
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resolved = true;
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this.connecting = false;
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resolve(e);
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};
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@@ -99,11 +110,13 @@ console.log(this.ws.readyState);
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this.ws.onerror = (e) => {
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this.emit(e.message, true);
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if (!resolved)
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if (this.connecting) {
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this.connecting = false;
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reject(e);
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}
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};
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}
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});
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})() });
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}
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//timeout в минутах (cleanPeriod)
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