/// <summary>
/// Method called just before allowing externals to select a response.
/// </summary>
protected override void InternalPreSelectResponse(RecordedDataSourceSelectorEventArgs e)
{
if (!AllowMatchingByChannel)
return;
var request = ConvertToJSon(e);
// do nothing:
if (request == null || !request.IsEnumerable)
return;
var channel = RecordedBayeuxDataSourceResponse.GetChannel(request);
if (string.IsNullOrEmpty(channel))
return;
// select matching response by channel:
foreach (var response in e.Responses)
{
var bayeuxResponse = response as RecordedBayeuxDataSourceResponse;
if (bayeuxResponse != null)
{
if (string.Compare(channel, bayeuxResponse.Channel, StringComparison.OrdinalIgnoreCase) == 0)
{
e.SelectedResponse = bayeuxResponse;
DebugLog.WriteBayeuxLine(string.Concat("Selected response for channel: '", channel, "'"));
return;
}
}
}
}
private IJSonObject ConvertToJSon(RecordedDataSourceSelectorEventArgs e)
{
if (e == null)
{
return(null);
}
var existingJSon = e.RequestDataAsJSon as IJSonObject;
if (existingJSon != null)
{
return(existingJSon);
}
var data = ConvertToJSon(e.RequestDataAsString);
e.RequestDataAsJSon = data;
return(data);
}
/// <summary>
/// Method called just before allowing externals to select a response.
/// </summary>
protected override void InternalPreSelectResponse(RecordedDataSourceSelectorEventArgs e)
{
if (!AllowMatchingByChannel)
{
return;
}
var request = ConvertToJSon(e);
// do nothing:
if (request == null || !request.IsEnumerable)
{
return;
}
var channel = RecordedBayeuxDataSourceResponse.GetChannel(request);
if (string.IsNullOrEmpty(channel))
{
return;
}
// select matching response by channel:
foreach (var response in e.Responses)
{
var bayeuxResponse = response as RecordedBayeuxDataSourceResponse;
if (bayeuxResponse != null)
{
if (string.Compare(channel, bayeuxResponse.Channel, StringComparison.OrdinalIgnoreCase) == 0)
{
e.SelectedResponse = bayeuxResponse;
DebugLog.WriteBayeuxLine(string.Concat("Selected response for channel: '", channel, "'"));
return;
}
}
}
}
/// <summary>
/// Method called just after selection of response performed, but before taking any other action.
/// It might be used to:
/// 1) update the data-source based on request data
/// 2) update the response with request specific data
/// 3) replace the whole response object
/// 4) send some other extra notifications, when subclassed
/// </summary>
protected override void InternalPreProcessResponse(RecordedDataSourceSelectorEventArgs e)
{
// find fields inside the request:
string id = ReadSharedFieldsAndID(ConvertToJSon(e));
// update token value, if allowed:
if (!AllowUpdateTokenOnRequest)
{
UpdateTokenValue();
}
// update response fields, depending if it is a single or array response:
var response = e.SelectedResponse as RecordedBayeuxDataSourceResponse;
if (response != null)
{
if (response.AsJSon != null)
{
UpdateSharedFields(e.RequestDataAsJSon as IJSonObject, response.AsJSon, id);
}
else
{
IJSonObject responseJSon = null;
try
{
var reader = new JSonReader(response.AsString);
responseJSon = reader.ReadAsJSonObject();
}
catch (Exception ex)
{
DebugLog.WriteBayeuxLine("Response AsString is not in JSON format!");
DebugLog.WriteBayeuxException(ex);
}
UpdateSharedFields(e.RequestDataAsJSon as IJSonObject, responseJSon, id);
}
}
}
private IJSonObject ConvertToJSon(RecordedDataSourceSelectorEventArgs e)
{
if (e == null)
return null;
var existingJSon = e.RequestDataAsJSon as IJSonObject;
if (existingJSon != null)
return existingJSon;
var data = ConvertToJSon(e.RequestDataAsString);
e.RequestDataAsJSon = data;
return data;
}
/// <summary>
/// Method called just after selection of response performed, but before taking any other action.
/// It might be used to:
/// 1) update the data-source based on request data
/// 2) update the response with request specific data
/// 3) replace the whole response object
/// 4) send some other extra notifications, when subclassed
/// </summary>
protected override void InternalPreProcessResponse(RecordedDataSourceSelectorEventArgs e)
{
// find fields inside the request:
string id = ReadSharedFieldsAndID(ConvertToJSon(e));
// update token value, if allowed:
if (!AllowUpdateTokenOnRequest)
UpdateTokenValue();
// update response fields, depending if it is a single or array response:
var response = e.SelectedResponse as RecordedBayeuxDataSourceResponse;
if (response != null)
{
if (response.AsJSon != null)
{
UpdateSharedFields(e.RequestDataAsJSon as IJSonObject, response.AsJSon, id);
}
else
{
IJSonObject responseJSon = null;
try
{
var reader = new JSonReader(response.AsString);
responseJSon = reader.ReadAsJSonObject();
}
catch (Exception ex)
{
DebugLog.WriteBayeuxLine("Response AsString is not in JSON format!");
DebugLog.WriteBayeuxException(ex);
}
UpdateSharedFields(e.RequestDataAsJSon as IJSonObject, responseJSon, id);
}
}
}
/// <summary>
/// Method called just after selection of response performed, but before taking any other action.
/// It might be used to:
/// 1) update the data-source based on request data
/// 2) update the response with request specific data
/// 3) replace the whole response object
/// 4) send some other extra notifications, when subclassed
/// </summary>
protected virtual void InternalPreProcessResponse(RecordedDataSourceSelectorEventArgs e)
{
}
private void ReceiveResponse(RecordedDataSourceSelectorEventArgs e)
{
if (e == null)
throw new InvalidOperationException("Somehow lost required state argument!");
DebugLog.WriteCoreLine("~~~> Waiting for stubbed response" + (string.IsNullOrEmpty(_url) ? string.Empty : string.Concat(" (", _url, ")")));
InternalPreSelectResponse(e);
// allow external code to select the next response,
// if there is no handler, automatically next one from the list will be taken:
Event.Invoke(SelectResponse, this, e);
SelectedIndex = e.NextResponseIndex;
var response = e.SelectedResponse;
if (response == null)
{
DebugLog.WriteCoreLine("Missing response object!");
_isActive = false;
_eventDispatcher.Invoke(DataReceiveFailed, this, new HttpDataSourceEventArgs(this, HttpStatusCode.NotFound, "Not found response object, the request was adressed for"));
return;
}
if (VerifyIfCancelled())
return;
// now wait time specified inside the response:
if (response.Delay > 0)
{
if (response.Delay > Timeout)
{
Thread.Sleep(Timeout);
if (VerifyIfCancelled())
return;
_isActive = false;
DebugLog.WriteCoreLine(string.Concat("--> Request timeouted (data-source timeout: ", Timeout, " ms, response delay: ", response.Delay, " ms)!"));
_eventDispatcher.Invoke(DataReceiveFailed, this, new HttpDataSourceEventArgs(this, HttpStatusCode.RequestTimeout, "Request timeouted due to huge response delay"));
return;
}
Thread.Sleep(response.Delay);
if (VerifyIfCancelled())
return;
_isActive = false;
}
InternalPreProcessResponse(e);
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "---> Received response (length: {0} bytes, at: {1}, waiting: {2:F2} sec) with status: {3} ({4}, {5}, {6})",
response.Length, DateTime.Now, (DateTime.Now - e.SentAt).TotalSeconds, response.StatusCode, (int) response.StatusCode, response.StatusDescription, response.ContentType));
string category = string.Concat(DebugLog.CategoryCore, ".HttpDataSource.Receive", string.IsNullOrEmpty(response.ContentType) ? string.Empty : ".", response.ContentType);
if (response.Length == 0)
DebugLog.WriteCoreLine(NothingContentDescription);
else if (response.AsString != null)
DebugLog.WriteLine(category, response.AsString);
else
DebugLog.WriteLine(category, BinaryContentDescription);
switch (e.ResponseType)
{
case HttpDataSourceResponseType.AsString:
_eventDispatcher.Invoke(response.IsFailure ? DataReceiveFailed : DataReceived, this, new HttpDataSourceEventArgs(this, response.StatusCode, response.StatusDescription, response.AsString, null, null));
return;
case HttpDataSourceResponseType.AsBinary:
_eventDispatcher.Invoke(response.IsFailure ? DataReceiveFailed : DataReceived, this, new HttpDataSourceEventArgs(this, response.StatusCode, response.StatusDescription, null, response.AsBinary, null));
return;
case HttpDataSourceResponseType.AsRawStream:
using (var stream = new MemoryStream(response.AsBinary ?? new byte[0]))
{
_eventDispatcher.Invoke(response.IsFailure ? DataReceiveFailed : DataReceived, this, new HttpDataSourceEventArgs(this, response.StatusCode, response.StatusDescription, null, null, stream));
}
return;
default:
throw new NotImplementedException("Invalid response type requested");
}
}
/// <summary>
/// Method called just after selection of response performed, but before taking any other action.
/// It might be used to:
/// 1) update the data-source based on request data
/// 2) update the response with request specific data
/// 3) replace the whole response object
/// 4) send some other extra notifications, when subclassed
/// </summary>
protected virtual void InternalPreProcessResponse(RecordedDataSourceSelectorEventArgs e)
{
}
private void ReceiveResponse(RecordedDataSourceSelectorEventArgs e)
{
if (e == null)
{
throw new InvalidOperationException("Somehow lost required state argument!");
}
DebugLog.WriteCoreLine("~~~> Waiting for stubbed response" + (string.IsNullOrEmpty(_url) ? string.Empty : string.Concat(" (", _url, ")")));
InternalPreSelectResponse(e);
// allow external code to select the next response,
// if there is no handler, automatically next one from the list will be taken:
Event.Invoke(SelectResponse, this, e);
SelectedIndex = e.NextResponseIndex;
var response = e.SelectedResponse;
if (response == null)
{
DebugLog.WriteCoreLine("Missing response object!");
_isActive = false;
_eventDispatcher.Invoke(DataReceiveFailed, this, new HttpDataSourceEventArgs(this, HttpStatusCode.NotFound, "Not found response object, the request was adressed for"));
return;
}
if (VerifyIfCancelled())
{
return;
}
// now wait time specified inside the response:
if (response.Delay > 0)
{
if (response.Delay > Timeout)
{
Thread.Sleep(Timeout);
if (VerifyIfCancelled())
{
return;
}
_isActive = false;
DebugLog.WriteCoreLine(string.Concat("--> Request timeouted (data-source timeout: ", Timeout, " ms, response delay: ", response.Delay, " ms)!"));
_eventDispatcher.Invoke(DataReceiveFailed, this, new HttpDataSourceEventArgs(this, HttpStatusCode.RequestTimeout, "Request timeouted due to huge response delay"));
return;
}
Thread.Sleep(response.Delay);
if (VerifyIfCancelled())
{
return;
}
_isActive = false;
}
InternalPreProcessResponse(e);
DebugLog.WriteCoreLine(string.Format(CultureInfo.InvariantCulture, "---> Received response (length: {0} bytes, at: {1}, waiting: {2:F2} sec) with status: {3} ({4}, {5}, {6})",
response.Length, DateTime.Now, (DateTime.Now - e.SentAt).TotalSeconds, response.StatusCode, (int)response.StatusCode, response.StatusDescription, response.ContentType));
string category = string.Concat(DebugLog.CategoryCore, ".HttpDataSource.Receive", string.IsNullOrEmpty(response.ContentType) ? string.Empty : ".", response.ContentType);
if (response.Length == 0)
{
DebugLog.WriteCoreLine(NothingContentDescription);
}
else if (response.AsString != null)
{
DebugLog.WriteLine(category, response.AsString);
}
else
{
DebugLog.WriteLine(category, BinaryContentDescription);
}
switch (e.ResponseType)
{
case HttpDataSourceResponseType.AsString:
_eventDispatcher.Invoke(response.IsFailure ? DataReceiveFailed : DataReceived, this, new HttpDataSourceEventArgs(this, response.StatusCode, response.StatusDescription, response.AsString, null, null));
return;
case HttpDataSourceResponseType.AsBinary:
_eventDispatcher.Invoke(response.IsFailure ? DataReceiveFailed : DataReceived, this, new HttpDataSourceEventArgs(this, response.StatusCode, response.StatusDescription, null, response.AsBinary, null));
return;
case HttpDataSourceResponseType.AsRawStream:
using (var stream = new MemoryStream(response.AsBinary ?? new byte[0]))
{
_eventDispatcher.Invoke(response.IsFailure ? DataReceiveFailed : DataReceived, this, new HttpDataSourceEventArgs(this, response.StatusCode, response.StatusDescription, null, null, stream));
}
return;
default:
throw new NotImplementedException("Invalid response type requested");
}
}
