/// <summary>
/// Envía un mensaje de petición de partes del archivo al usuario remoto y marca el estado del manejador como esperando
/// </summary>
public override void attendMessage(Message message)
{
if (message.Type == SubProtocol.FileTransfer.Types.FILEPARTMESSAGE)
{
FilePartMessage filePartMessage = (FilePartMessage)message;
receivePartMessage(filePartMessage);
}
}
public void FilePartManager(FilePartMessage message)
{
using (FileStream File = new FileStream(DownloadDirr + DownloadFile, FileMode.Append))
{
byte[] array = message.Data;
File.Write(array, 0, array.Length);
}
}
/// <summary>
/// Atiende un mensaje que contiene una parte del archivo y escribe dicha parte a disco
/// </summary>
/// <param name="message">El mensaje con la parte del archivo</param>
private void receivePartMessage(FilePartMessage message)
{
lock (thisLock)
{
try
{
long pointer = message.PartId * PartSize;
if (pointer < FileInformation.Size && parts[message.PartId].Status == FilePartStatus.NOTRECEIVED)
{
FileHandlerStream.Seek(pointer, SeekOrigin.Begin);
FileHandlerStream.Write(message.FilePart, 0, message.FilePart.Length);
parts[message.PartId].Status = FilePartStatus.RECEIVED;
partsLoaded++;
}
bool completed = true;
for (long i = 0; i < parts.Length; i++)
{
if (parts[i].Status == FilePartStatus.NOTRECEIVED)
{
completed = false;
break;
}
}
if (completed)
{
sendMessage(new FileCompleteMessage(RemoteNetUser, Id));
this.State = FileMessageHandlerState.COMPLETED;
}
else
{
State = FileMessageHandlerState.ACTIVE;
}
}
catch (ThreadAbortException e)
{
throw e;
}
catch (Exception e)
{
sendMessage(new FileErrorMessage(RemoteNetUser, Id));
this.State = FileMessageHandlerState.ERROR;
this.Error = e.Message;
close();
}
}
}
/// <summary>
/// Se gatilla cuando no es posible entregar un mensaje
/// </summary>
/// <param name="message">El mensaje no entregado</param>
public void errorMessage(Message message)
{
switch (message.Type)
{
case SubProtocol.FileTransfer.Types.FILEREQUESTMESSAGE:
{
FileRequestMessage fileRequestMessage = (FileRequestMessage)message;
lock (fileMessageHandlerLock)
{
if (activeDownloads.Contains(fileRequestMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeDownloads[fileRequestMessage.FileHandlerId];
controlFileHandler.downloadFileFailed(fileMessageHandler.Id.ToString());
fileMessageHandler.close();
activeDownloads.Remove(fileMessageHandler.Id);
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILEERRORMESSAGES:
{
break;
}
case SubProtocol.FileTransfer.Types.FILEPARTMESSAGE:
{
FilePartMessage filePartMessage = (FilePartMessage)message;
lock (fileMessageHandlerLock)
{
if (activeUploads.Contains(filePartMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeUploads[filePartMessage.FileHandlerId];
controlFileHandler.uploadFileFailed(fileMessageHandler.Id.ToString());
fileMessageHandler.close();
activeUploads.Remove(fileMessageHandler.Id);
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILEWAITMESSAGE:
{
FileWaitMessage fileWaitMessage = (FileWaitMessage)message;
lock (fileMessageHandlerLock)
{
if (activeDownloads.Contains(fileWaitMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeDownloads[fileWaitMessage.FileHandlerId];
controlFileHandler.downloadFileFailed(fileMessageHandler.Id.ToString());
fileMessageHandler.close();
activeDownloads.Remove(fileMessageHandler.Id);
}
else if (activeUploads.Contains(fileWaitMessage.FileHandlerId))
{
FileMessageHandler fileMessageHandler = (FileMessageHandler)activeUploads[fileWaitMessage.FileHandlerId];
controlFileHandler.uploadFileFailed(fileMessageHandler.Id.ToString());
fileMessageHandler.close();
activeUploads.Remove(fileMessageHandler.Id);
}
}
break;
}
case SubProtocol.FileTransfer.Types.FILECOMPLETEMESSAGE:
{
break;
}
case SubProtocol.FileTransfer.Types.FILELISTREQUESTMESSAGE:
{
break;
}
case SubProtocol.FileTransfer.Types.FILELISTMESSAGE:
{
break;
}
}
}
/// <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;
}
}
}
