public async Task<Stream> PostAsync(RestHost host, string url, string data, Action<HttpWebRequest> adjustRequest)
{
bool retry = true;
HttpWebRequest request = null;
ExceptionDispatchInfo capturedException = null;
while (retry)
{
retry = false;
try
{
byte[] bytes = null;
request = BuildStandardPostRequest(host, url, data, null, adjustRequest, out bytes);
using (var requestStream = await request.GetRequestStreamAsync())
{
await requestStream.WriteAsync(bytes, 0, bytes.Length);
requestStream.Close();
}
var response = (HttpWebResponse)request.GetResponse();
return response.GetResponseStream();
}
catch (WebException ex)
{
capturedException = ExceptionDispatchInfo.Capture(ex);
}
if (capturedException != null)
{
var webException = capturedException.SourceException as WebException;
if (webException != null)
{
var errorResponse = webException.Response as HttpWebResponse;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.Forbidden && host.RetryFailedRemoteRequest(request))
retry = true;
else if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.InternalServerError)
return errorResponse.GetResponseStream();
else
capturedException.Throw();
}
else
{
capturedException.Throw();
}
}
}
return null;
}
public Stream Get(RestHost host, string url, Action<HttpWebRequest> adjustRequest)
{
bool retry = true;
HttpWebRequest request = null;
ExceptionDispatchInfo capturedException = null;
while (retry)
{
retry = false;
try
{
request = BuildGetRequest(host, url, adjustRequest);
var response = (HttpWebResponse)request.GetResponse();
Stream stream = null;
var str = response.GetResponseStream();
return str;
}
catch (WebException ex)
{
var errorResponse = ex.Response as HttpWebResponse;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.Forbidden && host.RetryFailedRemoteRequest(request))
retry = true;
else if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.InternalServerError)
return errorResponse.GetResponseStream();
else
throw ex;
}
}
return null;
}
public async Task<Stream> PostEndpointStream(RestHost host, string url, Stream postStream, Action<HttpWebRequest> adjustRequest, Action<WebResponse> responseAction)
{
bool retry = true;
HttpWebRequest request = null;
ExceptionDispatchInfo capturedException = null;
while (retry)
{
retry = false;
try
{
request = CreateRequest(host, url, adjustRequest, host.PostTimeout);
request.Method = "POST";
request.ContentType = "application/octet-stream";
if (postStream == null)
{
request.ContentLength = 0;
}
else
{
request.ContentLength = postStream.Length;
using (var requestStream = await request.GetRequestStreamAsync())
{
byte[] buffer = new byte[64 * 1024];
int read;
while ((read = await postStream.ReadAsync(buffer, 0, buffer.Length)) > 0)
{
await requestStream.WriteAsync(buffer, 0, read);
}
requestStream.Close();
}
}
var response = await request.GetResponseAsync();
if (responseAction != null)
responseAction(response);
return response.GetResponseStream();
}
catch (WebException ex)
{
capturedException = ExceptionDispatchInfo.Capture(ex);
}
if (capturedException != null)
{
var webException = capturedException.SourceException as WebException;
if (webException != null)
{
var errorResponse = webException.Response as HttpWebResponse;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.Forbidden &&
host.RetryFailedRemoteRequest(request))
retry = true;
else
capturedException.Throw();
}
else
{
capturedException.Throw();
}
}
}
return null;
}
public async Task<Stream> GetAsync(RestHost host, string url, Action<HttpWebRequest> adjustRequest)
{
bool retry = true;
HttpWebRequest request = null;
ExceptionDispatchInfo capturedException = null;
while (retry)
{
retry = false;
try
{
request = BuildGetRequest(host, url, adjustRequest);
var response = await request.GetResponseAsync();
return ((HttpWebResponse)response).GetResponseStream();
}
catch (WebException ex)
{
capturedException = ExceptionDispatchInfo.Capture(ex);
}
}
if (capturedException != null)
{
var webException = capturedException.SourceException as WebException;
if (webException != null)
{
var errorResponse = webException.Response as HttpWebResponse;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.Forbidden && host.RetryFailedRemoteRequest(request))
retry = true;
else if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.InternalServerError)
return errorResponse.GetResponseStream();
else
capturedException.Throw();
}
else
{
capturedException.Throw();
}
}
return null;
}
public Stream Post(RestHost host, string url, string data, Action<HttpWebRequest> adjustRequest)
{
bool retry = true;
HttpWebRequest request = null;
while (retry)
{
retry = false;
try
{
byte[] bytes = null;
request = BuildStandardPostRequest(host, url, data, null, adjustRequest, out bytes);
using (var requestStream = request.GetRequestStream())
{
requestStream.Write(bytes, 0, bytes.Length);
requestStream.Close();
}
var response = (HttpWebResponse)request.GetResponse();
return response.GetResponseStream();
}
catch (WebException ex)
{
var errorResponse = ex.Response as HttpWebResponse;
if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.Forbidden && host.RetryFailedRemoteRequest(request))
retry = true;
else if (errorResponse != null && errorResponse.StatusCode == HttpStatusCode.InternalServerError)
return errorResponse.GetResponseStream();
else
throw ex;
}
}
return null;
}