/// <summary>
/// Process Http Request using instance of HttpClient.
/// </summary>
/// <param name="request">instance of <see cref="HttpHelperRequest"/></param>
/// <param name="cancellationToken">instance of <see cref="CancellationToken"/></param>
/// <returns>Instane of <see cref="HttpHelperResponse"/></returns>
public async Task <HttpHelperResponse> SendRequestAsync(HttpHelperRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
await _semaphore.WaitAsync().ConfigureAwait(false);
HttpClient client = null;
try
{
var httpRequestMessage = request.ToHttpRequestMessage();
client = GetHttpClientInstance();
var response = await client.SendRequestAsync(httpRequestMessage).AsTask(cancellationToken).ConfigureAwait(false);
FixInvalidCharset(response);
return(new HttpHelperResponse(response));
}
finally
{
// Add the HttpClient instance back to the queue.
if (client != null)
{
_httpClientQueue.Enqueue(client);
}
_semaphore.Release();
}
}
/// <summary>
/// Process Http Request using instance of HttpClient.
/// </summary>
/// <param name="request">instance of <see cref="HttpHelperRequest"/></param>
/// <param name="cancellationToken">instance of <see cref="CancellationToken"/></param>
/// <returns>Instane of <see cref="HttpHelperResponse"/></returns>
public async Task <HttpHelperResponse> GetInputStreamAsync(HttpHelperRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
await _semaphore.WaitAsync().ConfigureAwait(false);
HttpClient client = null;
try
{
var httpRequestMessage = request.ToHttpRequestMessage();
client = GetHttpClientInstance();
foreach (var header in request.Headers)
{
client.DefaultRequestHeaders[header.Key] = header.Value;
}
var response = await client.GetInputStreamAsync(httpRequestMessage.RequestUri).AsTask(cancellationToken).ConfigureAwait(false);
return(new HttpHelperResponse(new HttpResponseMessage {
Content = new HttpStreamContent(response)
}));
}
finally
{
// Add the HttpClient instance back to the queue.
if (client != null)
{
// Clean up default request headers
client.DefaultRequestHeaders.Clear();
_httpClientQueue.Enqueue(client);
}
_semaphore.Release();
}
}
