private void WorkWithClient()
{
try
{
Client.Client.ReceiveTimeout = 7000;
Client.Client.SendTimeout = 7000;
string firstMessage = myStream.ReadString();
myStream.SendNEXT();
if (firstMessage != "<isClient>")
{
throw new Exception($"first message = {firstMessage}, unknown client try to connect");
}
string fileName = myStream.ReadString();
if (!ListHolder.Files.Exists(c => c.FileName == fileName))
{
myStream.Write("<unknownFile>");
return;
}
else
{
myStream.Write("<fileFound>");
}
udpListenerIP = IPBuilder.GetIP();
udpListener = new UdpClient(udpListenerIP);
string udpClientAddress = myStream.ReadString();
myStream.Write(udpListenerIP.Address.ToString());
int udpClientPort = myStream.ReadInt();
myStream.Write(udpListenerIP.Port);
IPEndPoint udpClientIP = IPBuilder.GetIP(udpClientAddress, udpClientPort);
SendFile(fileName, udpClientIP);
udpListener.Close();
}
catch (ThreadAbortException)
{
}
catch (Exception e)
{
MyDispatcher.Dispatcher.Invoke(() =>
{
MessageBox.Show(e.Message, "File server error: when initial sending file");
});
}
}
private void ConnectToMainServer(IPEndPoint serverIP)
{
try
{
client = new TcpClient(ipAsClient);
client.Connect(serverIP);
client.Client.ReceiveTimeout = 7000;
client.Client.SendTimeout = 7000;
myStream = new MyStreamIO(client.GetStream());
myStream.Write("<isFileServer>");
myStream.GetNEXT();
while (true)
{
int numberOfFile = ListHolder.Files.Count;
myStream.Write("<sendFilesInfo>");
myStream.GetNEXT();
myStream.Write(numberOfFile);
myStream.GetNEXT();
foreach (MyFile file in ListHolder.Files)
{
myStream.Write(file.FileName);
myStream.GetNEXT();
myStream.Write(file.FileSize);
myStream.GetNEXT();
myStream.Write(ipAsServer.Address.ToString());
myStream.GetNEXT();
myStream.Write(ipAsServer.Port);
myStream.GetNEXT();
}
Thread.Sleep(5000);
}
}
catch (ThreadAbortException)
{
}
catch (Exception e)
{
MessageBox.Show(e.Message, "File server error: when working with main server");
}
}