@hsaadawy/ngx-chat
Version:
49 lines • 7.86 kB
JavaScript
import { __awaiter } from "tslib";
import { xml } from '@xmpp/client';
import { filter } from 'rxjs/operators';
import { timeout } from '../../../../core/utils-timeout';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
/**
* XEP-0199 XMPP Ping (https://xmpp.org/extensions/xep-0199.html)
*/
export class PingPlugin extends AbstractXmppPlugin {
constructor(xmppChatAdapter, logService, ngZone) {
super();
this.xmppChatAdapter = xmppChatAdapter;
this.logService = logService;
this.ngZone = ngZone;
this.pingInterval = 60000;
this.xmppChatAdapter.state$.pipe(filter(newState => newState === 'online')).subscribe(() => this.schedulePings());
this.xmppChatAdapter.state$.pipe(filter(newState => newState === 'disconnected')).subscribe(() => this.unschedulePings());
}
schedulePings() {
this.unschedulePings();
this.ngZone.runOutsideAngular(() => {
this.timeoutHandle = window.setInterval(() => this.ping(), this.pingInterval);
});
}
ping() {
return __awaiter(this, void 0, void 0, function* () {
this.logService.debug('ping...');
try {
yield timeout(this.sendPing(), 10000);
this.logService.debug('... pong');
}
catch (_a) {
if (this.xmppChatAdapter.state$.getValue() === 'online'
&& this.xmppChatAdapter.chatConnectionService.state$.getValue() === 'online') {
this.logService.error('... pong errored, connection should be online, waiting for browser websocket timeout');
}
}
});
}
sendPing() {
return __awaiter(this, void 0, void 0, function* () {
return yield this.xmppChatAdapter.chatConnectionService.sendIq(xml('iq', { type: 'get' }, xml('ping', { xmlns: 'urn:xmpp:ping' })));
});
}
unschedulePings() {
window.clearInterval(this.timeoutHandle);
}
}
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