/// <summary>
/// Another user has offered to send a file. This method should be called
/// to accept the offer and save the file to the give location. The parameters
/// needed to call this method are provided by the <c>OnDccFileTransferRequest()</c>
/// event.
/// </summary>
/// <remarks>
/// This method should be called from within a try/catch block
/// in case it is unable to connect or there are other socket
/// errors.
/// </remarks>
/// <param name="dccUserInfo">Information on the remote user.</param>
/// <param name="dccFileInfo">The local file that will hold the data being sent. If the file
/// is the result of a previous incomplete download the the attempt will be made
/// to resume where the previous left off.</param>
/// <param name="turbo">Will the send ahead protocol be used.</param>
/// <returns>A unique session instance for this file and remote user.</returns>
/// <exception cref="ArgumentException">If the listen port is already in use.</exception>
public static DccFileSession Receive(DccUserInfo dccUserInfo, DccFileInfo dccFileInfo, bool turbo)
{
Debug.WriteLineIf(DccUtil.DccTrace.TraceInfo, "[" + Thread.CurrentThread.Name + "] DccFileSession::Receive()");
//Test if we are already using this port
if (DccFileSessionManager.DefaultInstance.ContainsSession("C" + dccUserInfo.remoteEndPoint.Port))
{
throw new ArgumentException("Already listening on port " + dccUserInfo.remoteEndPoint.Port);
}
DccFileSession session = null;
try
{
session = new DccFileSession(dccUserInfo, dccFileInfo, (64 * 1024),
dccUserInfo.remoteEndPoint.Port, "C" + dccUserInfo.remoteEndPoint.Port);
//Has the initiator specified the turbo protocol?
session.turboMode = turbo;
//Open file for writing
dccFileInfo.OpenForWrite();
DccFileSessionManager.DefaultInstance.AddSession(session);
//Determine if we can resume a download
if (session.dccFileInfo.ShouldResume())
{
session.waitingOnAccept = true;
session.dccFileInfo.SetResumeToFileSize();
session.SendResume();
}
else
{
session.thread = new Thread(new ThreadStart(session.Download));
session.thread.Name = session.ToString();
session.thread.Start();
}
return(session);
}
catch (Exception e)
{
if (session != null)
{
DccFileSessionManager.DefaultInstance.RemoveSession(session);
}
throw e;
}
}
/// <summary>
/// Another user has offered to send a file. This method should be called
/// to accept the offer and save the file to the give location. The parameters
/// needed to call this method are provided by the <c>OnDccFileTransferRequest()</c>
/// event.
/// </summary>
/// <remarks>
/// This method should be called from within a try/catch block
/// in case it is unable to connect or there are other socket
/// errors.
/// </remarks>
/// <param name="dccUserInfo">Information on the remote user.</param>
/// <param name="dccFileInfo">The local file that will hold the data being sent. If the file
/// is the result of a previous incomplete download the the attempt will be made
/// to resume where the previous left off.</param>
/// <param name="turbo">Will the send ahead protocol be used.</param>
/// <returns>A unique session instance for this file and remote user.</returns>
/// <exception cref="ArgumentException">If the listen port is already in use.</exception>
public static DccFileSession Receive(DccUserInfo dccUserInfo, DccFileInfo dccFileInfo, bool turbo )
{
Debug.WriteLineIf( DccUtil.DccTrace.TraceInfo, "[" + Thread.CurrentThread.Name +"] DccFileSession::Receive()");
//Test if we are already using this port
if( DccFileSessionManager.DefaultInstance.ContainsSession( "C" + dccUserInfo.remoteEndPoint.Port ) )
{
throw new ArgumentException("Already listening on port " + dccUserInfo.remoteEndPoint.Port );
}
DccFileSession session = null;
try
{
session = new DccFileSession( dccUserInfo, dccFileInfo, (64 * 1024 ),
dccUserInfo.remoteEndPoint.Port, "C" + dccUserInfo.remoteEndPoint.Port );
//Has the initiator specified the turbo protocol?
session.turboMode = turbo;
//Open file for writing
dccFileInfo.OpenForWrite();
DccFileSessionManager.DefaultInstance.AddSession( session );
//Determine if we can resume a download
if( session.dccFileInfo.ShouldResume() )
{
session.waitingOnAccept = true;
session.dccFileInfo.SetResumeToFileSize();
session.SendResume();
}
else
{
session.thread = new Thread( new ThreadStart( session.Download ) );
session.thread.Name = session.ToString();
session.thread.Start();
}
return session;
}
catch( Exception e )
{
if( session != null )
{
DccFileSessionManager.DefaultInstance.RemoveSession( session );
}
throw e;
}
}
