public void RequestAllAvailableThread()
{
TcpClient tcpClient = null;
NetworkStream nStream = null;
try
{
tcpClient = new TcpClient(TorrentFConfig.GetConfig().trackerIp, TorrentFConfig.GetConfig().trackerHttpPort);
Trace.Assert(tcpClient != null, "MultiFileLookupThreadParam::RequestAllAvailableThread, cannot open connexion to the local tracker for lookup purpose.");
// Sending the request
string message = "GET /GetListOfPublishedTorrents HTTP/1.1\n\n";
nStream = tcpClient.GetStream();
byte[] buffer = System.Text.Encoding.ASCII.GetBytes(message);
nStream.Write(buffer, 0, buffer.Length);
nStream.Flush();
// Treating the answer
byte[] receiveBuffer = new byte[3000];
string receivedMessage = null;
Int32 nRead = nStream.Read(receiveBuffer, 0, receiveBuffer.Length);
// received list format :node1Ip#file1*file1.size-file2*file2.size-file3*file3.size\n
receivedMessage = System.Text.Encoding.ASCII.GetString(receiveBuffer, 0, nRead);
if (receivedMessage.Length > 0)
{
receivedMessage = System.Text.Encoding.ASCII.GetString(receiveBuffer, 0, nRead);
ParseTrackerMessage ptm = new ParseTrackerMessage();
ptm.ParseMultiFileMessage(receivedMessage, ref existingFileName);
lookupList = ptm.ResultingFiles;
}
else
{
MessageBox.Show("Invalid received data from the local tracker.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
}
}
catch
{
// Problem occured while trying to request a file from the tracker
MessageBox.Show("Problem occured while trying to request a file from the tracker","Error",MessageBoxButtons.OK,MessageBoxIcon.Exclamation,MessageBoxDefaultButton.Button1);
}
finally
{
if (tcpClient != null)
{
if(tcpClient!=null)
tcpClient.Close();
if (nStream != null)
nStream.Close();
}
}
}
public void RequestSingleFile()
{
Trace.Assert(CurrentFileDescription != null, "SingleFileLookupThreadParam::RequestSingleFile, invalid keyword.");
TcpClient tcpClient = null;
NetworkStream nStream = null;
//try
{
tcpClient = new TcpClient(TorrentFConfig.GetConfig().trackerIp, TorrentFConfig.GetConfig().trackerHttpPort);
Trace.Assert(tcpClient != null, "SingleFileLookupThreadParam::RequestSingleFile, cannot open connexion to the local tracker for lookup purpose.");
// Construct the message to send
StringBuilder message = new StringBuilder("GET /GetTorrentOwner?file_name=");
// Add the file name to look for
message.Append(currentFileDescription);
message.Append("&black_list=local");
message.Append(" HTTP/1.1\n\n");
nStream = tcpClient.GetStream();
byte[] buffer = System.Text.Encoding.ASCII.GetBytes(message.ToString());
nStream.Write(buffer, 0, buffer.Length);
nStream.Flush();
// Receive response
byte[] receiveBuffer = new byte[1024];
int nRead = nStream.Read(receiveBuffer, 0, receiveBuffer.Length);
// received data format: node1Ip#file1*file1.size
string receivedMessage = null;
receivedMessage = System.Text.Encoding.ASCII.GetString(receiveBuffer, 0, nRead);
if (receivedMessage.Length > 0)
{
// Parse received message
ParseTrackerMessage ptm = new ParseTrackerMessage();
ptm.ParseMultiFileMessage(receivedMessage,ref existingFileName);
if (ptm.ResultingFiles.Count > 0)
{
if (ptm.ResultingFiles.Count == 1)
{
// Just one answer
CurrentFileDetails.Add(ptm.ResultingFiles[0]);
NumberOfAnswers = 1;
}
else
{
// Multiple possible choices
foreach (FileDetails fd in ptm.ResultingFiles)
{
CurrentFileDetails.Add(fd);
}
NumberOfAnswers = ptm.ResultingFiles.Count;
}
}
}
else
{
MessageBox.Show("Invalid received data from the local tracker.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
}
}
// catch
{
// Problem occured while trying to request a file from the tracker
// MessageBox.Show("Problem occured while trying to request a file from the tracker", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
}
// finally
{
if (nStream != null)
nStream.Close();
if (tcpClient != null)
tcpClient.Close();
}
}
