private void HandleComplete()
{
try
{
_currentClientRequest = Protocol.ClientMessage.Complete;
_logger.WriteEntry(ToString());
CloseConnection();
}
catch (Exception e)
{
_log.Error(String.Format("ERROR in HandleComplete(): {0}", e.Message), e);
throw;
}
}
public void HandleClient()
{
try
{
while (_keepConnectionOpen)
{
string messageFromClient = IoHelper.ReceiveMessage(_clientSocket);
_xmlDoc.LoadXml(messageFromClient);
Protocol.ClientMessage messageType = Protocol.GetClientMessageType(_xmlDoc);
switch (messageType)
{
case Protocol.ClientMessage.ReqSession:
HandleSessionRequest();
break;
case Protocol.ClientMessage.Complete:
HandleComplete();
break;
case Protocol.ClientMessage.CategoryListRequest:
HandleCategoryListRequest();
break;
case Protocol.ClientMessage.ImageListRequest:
HandleImageListRequest();
break;
case Protocol.ClientMessage.GetImage:
HandleGetImage();
break;
case Protocol.ClientMessage.Cancel:
HandleCancel();
break;
default:
HandleClientProtocolError();
break;
}
}
}
catch (Exception e)
{
_log.Error("ClientDialog ERROR", e);
HandleClientProtocolError();
}
}
private void HandleCancel()
{
try
{
_currentClientRequest = Protocol.ClientMessage.Cancel;
_logger.WriteEntry(ToString());
// reset activity to its initial state TODO
}
catch (Exception e)
{
_log.Error(String.Format("ERROR in HandleCancel(): {0}", e.Message), e);
throw;
}
}
private void HandleCategoryListRequest()
{
try
{
_currentClientRequest = Protocol.ClientMessage.CategoryListRequest;
_logger.WriteEntry(ToString());
var response = GetServerResponse(Protocol.ServerMessage.CategoryList);
IoHelper.SendMessage(_clientSocket, response);
}
catch (Exception e)
{
_log.Error(String.Format("ERROR in HandleCategoryListRequest(): {0}", e.Message), e);
throw;
}
}
private void HandleGetImage()
{
try
{
_currentClientRequest = Protocol.ClientMessage.GetImage;
_logger.WriteEntry(ToString());
int imageIndex = Protocol.ParseImageId(_xmlDoc);
var image = _dataSource.GetImage(imageIndex);
var response = GetServerResponse(Protocol.ServerMessage.ImageBegin, imageIndex, image.Length);
IoHelper.SendImage(_clientSocket, response, image);
}
catch (Exception e)
{
_logger.WriteEntry(String.Format("ERROR in HandleGetImage(): {0}", e.Message));
_logger.WriteEntry(e.StackTrace);
throw;
}
}
