public void SendFiles(string localPath)
{
Program.Assert(State == AppLogicState.WaitingForDropFile);
Program.Assert(Directory.Exists(localPath) || File.Exists(localPath));
using (UdpClient udpFileSender = new UdpClient(0))
{
udpFileSender.Client.ReceiveTimeout = UDP_RECEIVE_TIME_OUT;
byte[] bytes =
UDP_PROTOCOL_STEP_0.Concat(
Encoding.Default.GetBytes(localPath.Substring(localPath.LastIndexOf(Path.DirectorySeparatorChar) + 1))
).ToArray();
udpFileSender.Send(bytes, bytes.Length, new IPEndPoint(IPAddress.Broadcast, UDP_FINDER_PORT));
IPEndPoint receiverEndPoint = null;
try
{
bytes = udpFileSender.Receive(ref receiverEndPoint);
}
catch { bytes = null; }
if (bytes == null || bytes[0] != UDP_PROTOCOL_STEP_1[0]) return;
udpFileSender.Send(UDP_PROTOCOL_STEP_2, 1, receiverEndPoint);
State = AppLogicState.SendingFile;
Program.Assert(m_tcpServer == null && m_tcpClient == null);
m_tcpServer = new TcpListener(
Dns.GetHostAddresses(Dns.GetHostName()).Where(i => i.ToString().StartsWith("192.168.")).ToArray()[0], 0);
m_tcpServer.Start();
udpFileSender.Send(Program.ToByteArray(((IPEndPoint)m_tcpServer.LocalEndpoint).Port), 4, receiverEndPoint);
m_tcpClient = m_tcpServer.AcceptTcpClient();
Program.Assert(m_fileTransSender == null);
m_fileTransSender = new FileTransSender(localPath, new BufferedStream(m_tcpClient.GetStream()));
m_fileTransSender.Aborted += Program.WrapThreadSafeDelegate(() =>
{
if (ErrorHandler != null) ErrorHandler("传输中断！"); OnTransformEnd();
});
m_fileTransSender.TransCompleted += Program.WrapThreadSafeDelegate((Action<string>)(s =>
{
if (s != null && ErrorHandler != null) ErrorHandler(s); OnTransformEnd();
}));
m_fileTransSender.FileTransing += Program.WrapThreadSafeDelegate((Action<string>)(s =>
{
m_transingFile = s;
if (ProgressChanged != null) ProgressChanged(m_fileTransSender.TransedFileCount * 100 / m_fileTransSender.FileCount);
}));
m_fileTransSender.Work();
m_timer = new Stopwatch();
m_timer.Start();
}
}
private void OnTransformEnd()
{
switch (State)
{
case AppLogicState.SendingFile:
m_tcpClient.Close(); m_tcpClient = null;
m_tcpServer.Stop(); m_tcpServer = null;
m_fileTransSender.Dispose(); m_fileTransSender = null;
break;
case AppLogicState.ReceivingFile:
m_tcpClient.Close(); m_tcpClient = null;
m_fileTransReceiver.Dispose(); m_fileTransReceiver = null;
break;
default:
break;
}
State = AppLogicState.WaitingForDropFile;
if (m_udpFileReceiverResult.IsCompleted)
{
m_udpFileReceiverResult = m_udpFileReceiver.BeginReceive(
o => Program.WrapThreadSafeDelegate(this.UDPProtocol_0_1)(), null);
}
m_transingFile = string.Empty;
m_timer = null;
}
public void SendFiles(string localPath)
{
Program.Assert(State == AppLogicState.WaitingForDropFile);
Program.Assert(Directory.Exists(localPath) || File.Exists(localPath));
using (UdpClient udpFileSender = new UdpClient(0))
{
udpFileSender.Client.ReceiveTimeout = UDP_RECEIVE_TIME_OUT;
byte[] bytes =
UDP_PROTOCOL_STEP_0.Concat(
Encoding.Default.GetBytes(localPath.Substring(localPath.LastIndexOf(Path.DirectorySeparatorChar) + 1))
).ToArray();
udpFileSender.Send(bytes, bytes.Length, new IPEndPoint(IPAddress.Broadcast, UDP_FINDER_PORT));
IPEndPoint receiverEndPoint = null;
try
{
bytes = udpFileSender.Receive(ref receiverEndPoint);
}
catch { bytes = null; }
if (bytes == null || bytes[0] != UDP_PROTOCOL_STEP_1[0])
{
return;
}
udpFileSender.Send(UDP_PROTOCOL_STEP_2, 1, receiverEndPoint);
State = AppLogicState.SendingFile;
Program.Assert(m_tcpServer == null && m_tcpClient == null);
m_tcpServer = new TcpListener(
Dns.GetHostAddresses(Dns.GetHostName()).Where(i => i.ToString().StartsWith("192.168.")).ToArray()[0], 0);
m_tcpServer.Start();
udpFileSender.Send(Program.ToByteArray(((IPEndPoint)m_tcpServer.LocalEndpoint).Port), 4, receiverEndPoint);
m_tcpClient = m_tcpServer.AcceptTcpClient();
Program.Assert(m_fileTransSender == null);
m_fileTransSender = new FileTransSender(localPath, new BufferedStream(m_tcpClient.GetStream()));
m_fileTransSender.Aborted += Program.WrapThreadSafeDelegate(() =>
{
if (ErrorHandler != null)
{
ErrorHandler("传输中断！");
}
OnTransformEnd();
});
m_fileTransSender.TransCompleted += Program.WrapThreadSafeDelegate((Action <string>)(s =>
{
if (s != null && ErrorHandler != null)
{
ErrorHandler(s);
}
OnTransformEnd();
}));
m_fileTransSender.FileTransing += Program.WrapThreadSafeDelegate((Action <string>)(s =>
{
m_transingFile = s;
if (ProgressChanged != null)
{
ProgressChanged(m_fileTransSender.TransedFileCount * 100 / m_fileTransSender.FileCount);
}
}));
m_fileTransSender.Work();
m_timer = new Stopwatch();
m_timer.Start();
}
}
