/// <summary>
/// Post one or more MIME parts to a URI
/// </summary>
/// <param name="uri">The URI of the web service to receive the Http post message</param>
/// <param name="retries">Number of times to retry post if there is an error</param>
/// <param name="mimeParts">MIME encoded payload</param>
/// <param name="callback">Method called on failure or success that is passed an AsyncResult whose Result property is set to HttpResult</param>
/// <returns>WebRequest IAsyncResult object</returns>
public IAsyncResult Post(Uri uri, int retries, List<MimePart> mimeParts, AsyncCallback callback)
{
#if (SILVERLIGHT || WPF || TOOL)
WebRequest webRequest = WebRequest.Create(uri);
#else
WebRequest webRequest = new UnityWebRequest(uri);
#endif
webRequest.Method = "POST";
IAsyncResult asyncResult = webRequest.BeginGetRequestStream((asynchronousResult) =>
{
WebRequest request = (WebRequest)asynchronousResult.AsyncState;
if (mimeParts.Count > 1)
{
CreateMultiPartRequest(request, asynchronousResult, mimeParts);
}
else
{
CreateSinglePartRequest(request, asynchronousResult, mimeParts[0]);
}
// Start the asynchronous operation to get the response
request.BeginGetResponse((responseResult) =>
{
bool retry = false;
HttpResult httpResult = null;
try
{
HttpWebResponse response = ((WebRequest)responseResult.AsyncState).EndGetResponse(responseResult) as HttpWebResponse;
// Response stream is released when HttpResult is released
httpResult = new HttpResult(response.GetResponseStream(), response.StatusCode, response.StatusDescription, response.ContentType);
}
catch (WebException we)
{
DebugLog.Error("WebException -> {0} '{1}' failed", webRequest.Method, uri.ToString());
DebugLog.Error(we.Message);
if (retries > 0 && we.Status != WebExceptionStatus.RequestCanceled)
{
DebugLog.Info("Retry {0} '{1}'", webRequest.Method, uri.ToString());
Post(uri, --retries, mimeParts, callback);
retry = true;
}
else
{
httpResult = new HttpResult(we);
}
}
catch (Exception e)
{
DebugLog.Error("HTTP {0} '{1}' failed: {2}", webRequest.Method, uri.ToString(), e.Message);
httpResult = new HttpResult(e);
}
finally
{
if (!retry && callback != null)
{
callback(new AsyncResult<HttpResult>(httpResult));
}
}
},
request);
},
webRequest);
return asyncResult;
}
/// <summary>
/// Get response stream from a web service indicated by URI
/// </summary>
/// <param name="uri">URI (path plus query string) to web service</param>
/// <param name="retries">The number of times to retry get if it fails</param>
/// <param name="callback">Method called on failure or success that is passed an AsyncResult whose Result property is set to HttpResult</param>
/// <returns>WebRequest IAsyncResult object</returns>
public IAsyncResult Get(Uri uri, int retries, AsyncCallback callback)
{
#if (SILVERLIGHT || WPF || TOOL)
WebRequest webRequest = WebRequest.Create(uri);
#else
WebRequest webRequest = new UnityWebRequest(uri);
#endif
webRequest.Method = "GET";
IAsyncResult asyncResult = webRequest.BeginGetResponse((responseResult) =>
{
bool retry = false;
HttpResult httpResult = null;
try
{
HttpWebResponse response = ((WebRequest)responseResult.AsyncState).EndGetResponse(responseResult) as HttpWebResponse;
// Response stream is released when HttpResult is released
httpResult = new HttpResult(response.GetResponseStream(), response.StatusCode, response.StatusDescription, response.ContentType);
}
catch (WebException we)
{
DebugLog.Error("WebException -> Get '{0}' failed", uri.ToString());
DebugLog.Error(we.Message);
if (retries > 0 && we.Status != WebExceptionStatus.RequestCanceled)
{
DebugLog.Info("Retry Get '{0}'", uri.ToString());
Get(uri, --retries, callback);
retry = true;
}
else
{
httpResult = new HttpResult(we);
}
}
catch (Exception e)
{
DebugLog.Error("HTTP GET '{0}' failed: {1}", uri.ToString(), e.Message);
httpResult = new HttpResult(e);
}
finally
{
if (!retry && callback != null)
{
callback(new AsyncResult<HttpResult>(httpResult));
}
}
},
webRequest);
return asyncResult;
}
