private async Task ProcessFileReqAck(ReqAck mFileReqAck, Metadata mMetadata)
{
//see if received accepted the file transmition request
bool acceptedReq = mFileReqAck.AcceptedFile;
FileSentReq fileSendReq = GetSendFileReqFromMeta(mMetadata);
if (!acceptedReq)
{
//didn't accept request
sendFileRequests.Remove(fileSendReq);
return;
}
//start sending the file parts
foreach (FileTransReq fileTrans in fileSendReq.FileTransReqs)
{
//for each file
while (fileSendReq.FileHasMoreParts(fileTrans))
{
//send all its parts
FilePartObj filePart = await fileSendReq.GetNextFilePart(fileTrans);
await ObjectManager.SendAsyncTCP(fileSendReq.targetIpAddress, filePart);
//send update event
FileProgUpdate?.Invoke(this, new FileTransferEventArgs(fileTrans, TransDirrection.sending));
}
}
}
//called when a file part is received
private async Task ProcessFilePart(FilePartObj filePart, Metadata metadata)
{
//check if file part is valid
if (filePart == null)
{
throw new Exception("filePart has not been set.");
}
//find file recieve request
FileReceiveReq fileReceived = GetReceivedFileReqFromMeta(metadata);
FileTransReq fileTrans = fileReceived.GetFileTransReqFromFileMeta(filePart.FileMetadata);
//dump file data to disk
await fileReceived.WriteFilePartToFile(filePart);
//log incoming file
FileProgUpdate?.Invoke(this, new FileTransferEventArgs(fileTrans, TransDirrection.receiving));
}