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added sync mutex to ping messages

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zadam
2019-10-22 21:59:51 +02:00
parent 3de124748d
commit ec7c0f0723
5 changed files with 27 additions and 22 deletions
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6
src/services/ws.js
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@@ -2,8 +2,10 @@ const WebSocket = require('ws');
const utils = require('./utils');
const log = require('./log');
const sql = require('./sql');
const syncMutexService = require('./sync_mutex');
let webSocketServer;
let lastSyncId = 0;
function init(httpServer, sessionParser) {
webSocketServer = new WebSocket.Server({
@@ -27,11 +29,13 @@ function init(httpServer, sessionParser) {
ws.on('message', messageJson => {
const message = JSON.parse(messageJson);
lastSyncId = Math.max(lastSyncId, message.lastSyncId);
if (message.type === 'log-error') {
log.error('JS Error: ' + message.error);
}
else if (message.type === 'ping') {
sendPing(ws, message.lastSyncId);
syncMutexService.doExclusively(async () => await sendPing(ws, lastSyncId));
}
else {
log.error('Unrecognized message: ');