internal async Task <bool> OnPacketReceivedAsync(P08FileHeader packet)
{
const string name = nameof(OnPacketReceivedAsync) + "(" + nameof(P08FileHeader) + ")";
if (currentItem == null) // It may be more efficient not to close the connection but only to cancel the file transfer.
{
parent.ExceptionHandler.CloseConnection("InvalidPacket",
"Cannot resume file transfer for the received file header.",
nameof(FTSocket), name);
return(false);
}
if (currentItem.Mode != StreamMode.GetHeader && currentItem.Mode != StreamMode.GetFile)
{
parent.ExceptionHandler.CloseConnection("InvalidPacket",
"The running file transfer is not supposed to receive a file header.",
nameof(FTSocket), name);
return(false);
}
if (currentItem.FileMeta != null)
{
parent.ExceptionHandler.CloseConnection("InvalidPacket",
"The running file transfer has already received a file header.",
nameof(FTSocket), name);
return(false);
}
currentItem.FileMeta = new FileMeta(packet.BinaryData, parent.ConnectionVersion.Value);
currentItem.OnFileMetaTransfered();
#if DEBUG
parent.Log("Successfully received file meta.");
#endif
if (currentItem.Mode == StreamMode.GetHeader)
{
currentItem.Finish(success: true);
return(await parent.Manager.SendPacketAsync(new P06Accepted(true, 8, ProblemCategory.None)));
}
// We do not answer for StreamMode.GetFile here, because this is done by FTSocket.Continue(FTEventArgs)
// in order to give the opportunity to set keys.
return(true);
}
internal Task <bool> HandleP08FileHeader(P08FileHeader p)
{
return(parent.FileTransfer.OnPacketReceivedAsync(p));
}
