public void SendFile(string addr, string filepath)
{
//aSocket?.Cancel();
//string filename = Path.GetFileName(filepath);
Message meta = Message.CreateMeta(filepath, PackSize);
string status = "";
long continueId = 0;
try
{
status = "Wait Confirmation";
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse(addr), ReceiverPort);
UdpSend(remoteEP, meta);
remoteEP.Address = IPAddress.Any;
UdpReceive(ref remoteEP,
msg => msg.Type == MsgType.Continue,
msg => continueId = msg.PackID);
if (continueId == -1)
{
OnTransferError?.Invoke(new State(ActionCode.FileSend, StateCode.Error, "Request rejected"));
return;
}
remoteEP.Port = TransferPort;
status = "Transferring";
TcpSetupStream(remoteEP, ns =>
{
using FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read);
byte[] bs = null;
Message dataMsg = new Message {
PackID = continueId, Data = new byte[PackSize]
};
fs.Seek((continueId - 1) * PackSize, SeekOrigin.Begin);
while (fs.Length - fs.Position > PackSize)
{
fs.Read(dataMsg.Data, 0, PackSize);
bs = dataMsg.ToBytes();
ns.Write(bs, 0, bs.Length);
ns.Flush();
dataMsg.PackID++;
OnPackTransfered?.Invoke((fs.Position / fs.Length));
}
fs.Read(dataMsg.Data, 0, (int)(fs.Length - fs.Position));
bs = dataMsg.ToBytes();
ns.Write(bs, 0, bs.Length);
ns.Flush();
});
OnTransferDone?.Invoke(new State(ActionCode.FileSend, StateCode.Success, ""));
}
catch (OperationCanceledException)
{
OnTransferError?.Invoke(new State(ActionCode.FileSend, StateCode.Error, status + " Timeout"));
}
catch (SocketException e)
{
OnTransferError?.Invoke(new State(ActionCode.FileSend, StateCode.Error, e.Message));
}
}