public Task <PooledObject <ProxyClientWrapper> > GetClientAsync(Uri uri, TimeSpan?timeout = null, CancellationToken cancellationToken = default(CancellationToken))
{
Pool <ProxyClientWrapper> pool = null;
HostPort key = new HostPort(uri.Host, uri.Port, uri.IsHttps());
if (!_cachedPools.TryGetValue(key, out pool))
{
lock (_lock)
{
if (!_cachedPools.TryGetValue(key, out pool))
{
pool = new Pool <ProxyClientWrapper>(
_size,
async cancel => new ProxyClientWrapper(await _proxyClientFactory.Invoke(cancel), key, _callback),
whenDropAndNew: client => client.IsBroken);
_cachedPools.Add(key, pool);
}
}
}
return(pool.GetObjectAsync(timeout, cancellationToken));
}
internal ProxyClientWrapper(IProxyClient proxyClient, HostPort key, RemoteCertificateValidationCallback callback = null)
{
_key = key;
_proxyClient = proxyClient;
_callback = callback;
}