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Avoid closure in WebSocketHandle.ConnectAsync #50502

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Merged
merged 1 commit into from
Apr 1, 2021
Merged

Avoid closure in WebSocketHandle.ConnectAsync #50502

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13 changes: 12 additions & 1 deletion ...braries/System.Net.WebSockets.Client/src/System/Net/WebSockets/WebSocketHandle.Managed.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,18 @@ public async Task ConnectAsync(Uri uri, CancellationToken cancellationToken, Cli
string[] subprotocolArray = (string[])subprotocolEnumerableValues;
if (subprotocolArray.Length > 0 && !string.IsNullOrEmpty(subprotocolArray[0]))
{
subprotocol = options.RequestedSubProtocols.Find(requested => string.Equals(requested, subprotocolArray[0], StringComparison.OrdinalIgnoreCase));
if (options._requestedSubProtocols is not null)
{
foreach (string requestedProtocol in options._requestedSubProtocols)
{
if (requestedProtocol.Equals(subprotocolArray[0], StringComparison.OrdinalIgnoreCase))
{
subprotocol = requestedProtocol;
break;
}
}
}

if (subprotocol == null)
{
throw new WebSocketException(
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