private ValueTask <HttpConnection> GetOrCreateConnection(HttpRequestMessage request, Uri proxyUri, CancellationToken cancellationToken)
{
var key = new HttpConnectionKey(proxyUri);
HttpConnectionPool pool = _connectionPools.GetOrAddPool(key);
return(pool.GetConnectionAsync(async(state, ct) =>
{
Stream stream = await ConnectHelper.ConnectAsync(state.proxyUri.IdnHost, state.proxyUri.Port, ct).ConfigureAwait(false);
return new HttpConnection(state.pool, state.key, null, stream, null, true);
}, (pool: pool, key: key, request: request, proxyUri: proxyUri), cancellationToken));
}
protected internal override Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
var key = new HttpConnectionKey(request.RequestUri);
HttpConnectionPool pool = _connectionPools.GetOrAddPool(key);
ValueTask <HttpConnection> connectionTask = pool.GetConnectionAsync(
state => state.handler.CreateConnection(state.request, state.key, state.pool),
(handler: this, request: request, key: key, pool: pool));
return(connectionTask.IsCompletedSuccessfully ?
connectionTask.Result.SendAsync(request, cancellationToken) :
SendAsyncWithAwaitedConnection(connectionTask, request, cancellationToken));
}
