/// <summary>
/// Requests a file access token from the host.
/// The file access token allows this client to access any files within the
/// current dragdrop or clipboard operation. The token returned from this method
/// should be used when requesting to read from the remote filestream along with the GUID
/// of the file that you want to read.
/// </summary>
/// <exception cref="RemoteFileStreamReadFailedException"></exception>
/// <exception cref="InvalidNetworkResponseException"></exception>"
/// <exception cref="RequestTimedOutException"></exception>
/// <param name="fileGroupId">The operation ID of the files to access</param>
/// <returns></returns>
public async Task <Guid> RequestFileTokenAsync(Guid fileGroupId)
{
ISLogger.Write("Sending token request");
NetworkMessage response = await SendRequestAsync(new RequestGroupTokenMessage(fileGroupId));
ISLogger.Write("Server responded to token request!");
switch (response.Type)
{
case MessageType.RequestFileGroupTokenReponse:
RequestGroupTokenResponseMessage resp = response as RequestGroupTokenResponseMessage;
return(resp.Token);
case MessageType.RemoteFileError:
FileErrorMessage err = response as FileErrorMessage;
ISLogger.Write("File token request returned error: " + err.ErrorMessage);
return(Guid.Empty);
break;
default:
ISLogger.Write("Debug: Server sent unexpected reply when requesting file access token");
return(Guid.Empty);
}
}
/// <summary>
/// Sends a request to read a remote filestream from the host and
/// waits for a response message.
/// </summary>
///<exception cref="RemoteFileStreamReadFailedException"></exception>
/// <exception cref="InvalidNetworkResponseException"></exception>"
/// <exception cref="RequestTimedOutException"></exception>
/// <param name="token">The access token used to access the filestream</param>
/// <param name="file">The Guid associated with the file</param>
/// <param name="readLen">Ammount of bytes to read</param>
/// <returns></returns>
public async Task <byte[]> RequestReadStreamAsync(Guid token, Guid file, int readLen)
{
NetworkMessage response = await SendRequestAsync(new FileStreamReadRequestMessage(token, file, readLen));
switch (response.Type)
{
case MessageType.FileStreamReadResponse:
FileStreamReadResponseMessage resp = response as FileStreamReadResponseMessage;
return(resp.ReadData);
case MessageType.RemoteFileError:
FileErrorMessage errMsg = response as FileErrorMessage;
throw new RemoteFileStreamReadFailedException(errMsg.ErrorMessage);
default:
throw new InvalidNetworkResponseException("Server responded with unexpected message type " + response.Type);
}
}
/// <summary>
/// Se gatilla cuando se recibe un mensaje
/// </summary>
/// <param name="message">El mensaje recibido</param>
public void proccessMessage(Message message)
{
switch (message.Type)
{
case SubProtocol.FileTransfer.Types.FILEREQUESTMESSAGE:
{
FileRequestMessage fileRequestMessage = (FileRequestMessage)message;
FileInformation fileInformation = fileData.FileList.getFileInformation(fileRequestMessage.FileId);
if (fileInformation != null)
{
FileMessageSender fileMessageSender = new FileMessageSender(fileRequestMessage.SenderNetUser, fileRequestMessage.FileHandlerId, sendMessageDelegate, fileInformation, fileData);
lock (fileMessageHandlerLock)
{
if (!activeUploads.Contains(fileMessageSender.Id))
{
if (fileMessageUploadQueue.put(fileMessageSender))
{
controlFileHandler.uploadFileQueued(fileRequestMessage.SenderNetUser, fileMessageSender.Id.ToString(), fileInformation.Name);
}
}
}
}
else
{
FileErrorMessage fileErrorMessage = new FileErrorMessage(fileRequestMessage.SenderNetUser, fileRequestMessage.FileHandlerId);
sendMessageEvent(fileErrorMessage);
}
break;
}
case SubProtocol.FileTransfer.Types.FILEERRORMESSAGES:
{
FileErrorMessage fileErrorMessage = (FileErrorMessage)message;
lock (fileMessageHandlerLock)
{
if (activeUploads.Contains(fileErrorMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeUploads[fileErrorMessage.FileHandlerId];
controlFileHandler.uploadFileFailed(fileMessageHandler.Id.ToString());
fileMessageHandler.close();
activeUploads.Remove(fileMessageHandler.Id);
}
else if (activeDownloads.Contains(fileErrorMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeDownloads[fileErrorMessage.FileHandlerId];
controlFileHandler.downloadFileFailed(fileMessageHandler.Id.ToString());
fileMessageHandler.close();
activeDownloads.Remove(fileMessageHandler.Id);
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILEPARTMESSAGE:
{
FilePartMessage filePartMessage = (FilePartMessage)message;
lock (fileMessageHandlerLock)
{
if (activeDownloads.Contains(filePartMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeDownloads[filePartMessage.FileHandlerId];
fileMessageHandler.attendMessage(filePartMessage);
fileMessageHandler.waitUp(fileData.FileRiseUp);
}
else
{
FileErrorMessage fileErrorMessage = new FileErrorMessage(filePartMessage.SenderNetUser, filePartMessage.FileHandlerId);
sendMessageEvent(fileErrorMessage);
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILEWAITMESSAGE:
{
FileWaitMessage fileWaitMessage = (FileWaitMessage)message;
lock (fileMessageHandlerLock)
{
if (activeDownloads.Contains(fileWaitMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeDownloads[fileWaitMessage.FileHandlerId];
fileMessageHandler.waitUp(fileData.FileRiseUp);
}
else if (activeUploads.Contains(fileWaitMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeUploads[fileWaitMessage.FileHandlerId];
fileMessageHandler.waitUp(fileData.FileRiseUp);
}
else
{
if (!fileMessageDownloadQueue.contains(fileWaitMessage.FileHandlerId) && !fileMessageUploadQueue.contains(fileWaitMessage.FileHandlerId))
{
FileErrorMessage fileErrorMessage = new FileErrorMessage(fileWaitMessage.SenderNetUser, fileWaitMessage.FileHandlerId);
sendMessageEvent(fileErrorMessage);
}
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILECOMPLETEMESSAGE:
{
FileCompleteMessage fileCompleteMessage = (FileCompleteMessage)message;
lock (fileMessageHandlerLock)
{
if (activeUploads.Contains(fileCompleteMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeUploads[fileCompleteMessage.FileHandlerId];
fileMessageHandler.State = FileMessageHandlerState.COMPLETED;
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILELISTREQUESTMESSAGE:
{
FileListRequestMessage fileListRequestMessage = (FileListRequestMessage)message;
FileListMessage fileListMessage = new FileListMessage(fileListRequestMessage.SenderNetUser, fileData.FileList);
sendMessageEvent(fileListMessage);
break;
}
case SubProtocol.FileTransfer.Types.FILELISTMESSAGE:
{
FileListMessage fileListMessage = (FileListMessage)message;
controlFileListHandler.addFileList(fileListMessage.SenderNetUser, fileListMessage.FileList);
break;
}
}
}
private void SetAlertMessage(FileErrorMessage message)
{
AlertBoxMessage = message.Message;
AlertBoxVisible = true;
}
private void OnError(object sender, ErrorEventArgs e)
{
var message = new FileErrorMessage(_fileName, e.GetException().Message);
_tailActor.Tell(message, ActorRefs.NoSender);
}
