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Use the provided timeout option, if set, for the InfoReceiver. ⏰ #594

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Use the provided timeout option, if set, for the InfoReceiver. ⏰ #594

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6753610
Use the provided timeout option, if set, for the InfoReceiver. ⏰
tomconnell-wf Jul 8, 2022
8b10354
Add test of configurable timeout.
tomconnell-wf Jul 12, 2022
90dd919
Make the configured test faster, and remove my accidental configurati…
tomconnell-wf Jul 12, 2022
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11 changes: 7 additions & 4 deletions lib/info-receiver.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,13 +16,13 @@ if (process.env.NODE_ENV !== 'production') {
debug = require('debug')('sockjs-client:info-receiver');
}

function InfoReceiver(baseUrl, urlInfo) {
function InfoReceiver(baseUrl, urlInfo, timeout) {
debug(baseUrl);
var self = this;
EventEmitter.call(this);

setTimeout(function() {
self.doXhr(baseUrl, urlInfo);
self.doXhr(baseUrl, urlInfo, timeout);
}, 0);
}

Expand All @@ -47,19 +47,22 @@ InfoReceiver._getReceiver = function(baseUrl, url, urlInfo) {
return new InfoAjax(url, XHRFake);
};

InfoReceiver.prototype.doXhr = function(baseUrl, urlInfo) {
InfoReceiver.prototype.doXhr = function(baseUrl, urlInfo, timeout) {
var self = this
, url = urlUtils.addPath(baseUrl, '/info')
;
debug('doXhr', url);

this.xo = InfoReceiver._getReceiver(baseUrl, url, urlInfo);

if (timeout === undefined) {
timeout = InfoReceiver.timeout
}
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I think I saw in the documentation that SockJS will use the bigger timeout of either the "internally calculated" timeout, or the timeout option. Do you want this to apply here, too? Something like

if (timeout < InfoReceiver.timeout) {
  timeout = InfoReceiver.timeout
}

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It's not really "calculated," though. 😉

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timeout (number)

Specify a minimum timeout in milliseconds to use for the transport connections. By default this is dynamically calculated based on the measured RTT and the number of expected round trips. This setting will establish a minimum, but if the calculated timeout is higher, that will be used.

this.timeoutRef = setTimeout(function() {
debug('timeout');
self._cleanup(false);
self.emit('finish');
}, InfoReceiver.timeout);
}, timeout);

this.xo.once('finish', function(info, rtt) {
debug('finish', info, rtt);
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2 changes: 1 addition & 1 deletion lib/main.js
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Expand Up @@ -121,7 +121,7 @@ function SockJS(url, protocols, options) {
, sameScheme: urlUtils.isSchemeEqual(this.url, loc.href)
};

this._ir = new InfoReceiver(this.url, this._urlInfo);
this._ir = new InfoReceiver(this.url, this._urlInfo, options.timeout);
this._ir.once('finish', this._receiveInfo.bind(this));
}

Expand Down