/// <summary>
/// Sends request to the data source.
/// </summary>
private void InternalSendRequest(string relativeUrlPath, string dataDescription, byte[] data, int dataLength, string method, bool asynchronous, HttpDataSourceResponseType responseType)
{
if (dataDescription == null)
{
throw new ArgumentOutOfRangeException("dataDescription");
}
if (_request != null)
{
throw new InvalidOperationException("Another request is being processed. Call Cancel() method first.");
}
if (method != MethodPost && method != MethodGet && method != MethodDelete && method != MethodPut)
{
throw new InvalidOperationException("Invalid method used. Try 'POST' or 'GET'.");
}
if (data != null && dataLength > data.Length)
{
throw new ArgumentOutOfRangeException("dataLength");
}
//////////////////////
// FILL HTTP request:
DateTime now = DateTime.Now;
string uri = CreateUri(_url, relativeUrlPath);
HttpWebRequest webRequest = CreateHttpWebRequest(uri, method, now, GetSerializedDataLength(data, dataLength));
SetRequest(webRequest);
_sendAt = now;
if (asynchronous)
{
//////////////////////
// Format data to sent:
var dataRequest = new AsyncDataRequest(webRequest, dataDescription, data, dataLength, responseType);
if (data != null && data.Length > 0 && dataLength > 0)
{
webRequest.BeginGetRequestStream(AsyncWebRequestStreamCallback, dataRequest);
}
else
{
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "<--- Starting request [{0}] (at: {1}): {2}",
_id, now, webRequest.RequestUri.AbsoluteUri));
//////////////////////
// Send request:
try
{
webRequest.BeginGetResponse(AsyncWebResponseCallback, dataRequest);
}
catch (SecurityException ex)
{
ProcessResponse(webRequest, null, responseType, ex);
}
catch (ProtocolViolationException ex)
{
ProcessResponse(webRequest, null, responseType, ex);
}
catch (WebException ex)
{
if (ex.Status != WebExceptionStatus.RequestCanceled)
{
ProcessResponse(webRequest, null, responseType, ex);
}
}
}
}
else
{
//////////////////////
// Format data to sent:
if (data != null && data.Length > 0 && dataLength > 0)
{
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "<--- Sending request [{0}] (length: {1} bytes, at: {2}): {3} ({4})",
_id, dataDescription.Length, now, webRequest.RequestUri.AbsoluteUri, ContentType));
DebugLogWriteSentContentDescription(ContentType, dataDescription);
if (WriteRequestData(webRequest, null, data, dataLength))
{
return;
}
}
else
{
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "<--- Starting request [{0}] (at: {1}): {2}",
_id, now, webRequest.RequestUri.AbsoluteUri));
}
//////////////////////
// Send request and process response:
HttpWebResponse response;
bool canProcess = true;
Exception exception = null;
try
{
response = GetResponse(webRequest);
}
catch (SecurityException ex)
{
response = null;
exception = ex;
}
catch (ProtocolViolationException ex)
{
response = null;
exception = ex;
}
catch (WebException ex)
{
canProcess = ex.Status != WebExceptionStatus.RequestCanceled;
response = (HttpWebResponse)ex.Response;
exception = ex;
}
if (canProcess)
{
ProcessResponse(webRequest, response, responseType, exception);
}
}
}
/// <summary>
/// Sends request to the data source.
/// </summary>
private void InternalSendRequest(string relativeUrlPath, string dataDescription, byte[] data, int dataLength, string method, bool asynchronous, HttpDataSourceResponseType responseType)
{
if (dataDescription == null)
throw new ArgumentOutOfRangeException("dataDescription");
if (_request != null)
throw new InvalidOperationException("Another request is being processed. Call Cancel() method first.");
if (method != MethodPost && method != MethodGet && method != MethodDelete && method != MethodPut)
throw new InvalidOperationException("Invalid method used. Try 'POST' or 'GET'.");
if (data != null && dataLength > data.Length)
throw new ArgumentOutOfRangeException("dataLength");
//////////////////////
// FILL HTTP request:
DateTime now = DateTime.Now;
string uri = CreateUri(_url, relativeUrlPath);
HttpWebRequest webRequest = CreateHttpWebRequest(uri, method, now, GetSerializedDataLength(data, dataLength));
SetRequest(webRequest);
_sendAt = now;
if (asynchronous)
{
//////////////////////
// Format data to sent:
var dataRequest = new AsyncDataRequest(webRequest, dataDescription, data, dataLength, responseType);
if (data != null && data.Length > 0 && dataLength > 0)
{
webRequest.BeginGetRequestStream(AsyncWebRequestStreamCallback, dataRequest);
}
else
{
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "<--- Starting request [{0}] (at: {1}): {2}",
_id, now, webRequest.RequestUri.AbsoluteUri));
//////////////////////
// Send request:
try
{
webRequest.BeginGetResponse(AsyncWebResponseCallback, dataRequest);
}
catch (SecurityException ex)
{
ProcessResponse(webRequest, null, responseType, ex);
}
catch (ProtocolViolationException ex)
{
ProcessResponse(webRequest, null, responseType, ex);
}
catch (WebException ex)
{
if (ex.Status != WebExceptionStatus.RequestCanceled)
ProcessResponse(webRequest, null, responseType, ex);
}
}
}
else
{
//////////////////////
// Format data to sent:
if (data != null && data.Length > 0 && dataLength > 0)
{
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "<--- Sending request [{0}] (length: {1} bytes, at: {2}): {3} ({4})",
_id, dataDescription.Length, now, webRequest.RequestUri.AbsoluteUri, ContentType));
DebugLogWriteSentContentDescription(ContentType, dataDescription);
if (WriteRequestData(webRequest, null, data, dataLength))
return;
}
else
{
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "<--- Starting request [{0}] (at: {1}): {2}",
_id, now, webRequest.RequestUri.AbsoluteUri));
}
//////////////////////
// Send request and process response:
HttpWebResponse response;
bool canProcess = true;
Exception exception = null;
try
{
response = GetResponse(webRequest);
}
catch (SecurityException ex)
{
response = null;
exception = ex;
}
catch (ProtocolViolationException ex)
{
response = null;
exception = ex;
}
catch (WebException ex)
{
canProcess = ex.Status != WebExceptionStatus.RequestCanceled;
response = (HttpWebResponse)ex.Response;
exception = ex;
}
if (canProcess)
ProcessResponse(webRequest, response, responseType, exception);
}
}
