private void Download(DownloadableFile file)
{
try
{
TcpClient client = new TcpClient(IPBuilder.GetIP());
IPEndPoint serverIP = IPBuilder.GetIP(file.IP, file.Port);
client.Connect(serverIP);
client.Client.ReceiveTimeout = 7000;
client.Client.SendTimeout = 7000;
MyStreamIO myStream = new MyStreamIO(client.GetStream());
myStream.Write("<isClient>");
myStream.GetNEXT();
myStream.Write(file.FileName);
string rely = myStream.ReadString();
if (rely != "<fileFound>")
{
client.GetStream().Close();
client.Close();
return;
}
IPEndPoint udpClientIP = IPBuilder.GetIP();
UdpClient udpClient = new UdpClient(udpClientIP);
myStream.Write(udpClientIP.Address.ToString());
string udpListenerIP = myStream.ReadString();
myStream.Write(udpClientIP.Port);
int udpListenerPort = myStream.ReadInt();
client.GetStream().Close();
client.Close();
UdpDownload(udpClient, IPBuilder.GetIP(udpListenerIP, udpListenerPort), file);
udpClient.Close();
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Client error: when getting file info for download from file server");
}
}
private void connectToMainServer(IPEndPoint serverIPEndPoint)
{
MyStreamIO myStream = null;
try
{
client = new TcpClient(AddressFamily.InterNetworkV6);
client.Connect(serverIPEndPoint);
myStream = new MyStreamIO(client.GetStream());
myStream.Write("<isClient>");
myStream.GetNEXT();
client.ReceiveTimeout = 7000;
client.SendTimeout = 7000;
while (true)
{
lock (locker)
{
myStream.Write("<getAllFileInfo>");
int numberOfFileServer = myStream.ReadInt();
myStream.SendNEXT();
ListHolder.DownloadableFiles.Clear();
for (int i = 0; i < numberOfFileServer; i++)
{
int numberOfFile = myStream.ReadInt();
myStream.SendNEXT();
for (int j = 0; j < numberOfFile; j++)
{
string fileName = myStream.ReadString();
myStream.SendNEXT();
long fileSize = myStream.ReadLong();
myStream.SendNEXT();
string ip = myStream.ReadString();
myStream.SendNEXT();
int port = myStream.ReadInt();
myStream.SendNEXT();
ListHolder.DownloadableFiles.Add(new DownloadableFile(fileName, fileSize, ip, port));
}
}
ListHolder.UpdateList();
}
Thread.Sleep(5000);
}
}
catch (ThreadAbortException)
{
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Client error: when getting file info from main server");
}
}