public AfpResultCode Process(IAfpSession session, DsiHeader dsiHeader, AfpStream requestStream, AfpStream responseStream)
{
requestStream.ReadUInt8(); // Pad
AfpSessionTokenTypes type = requestStream.ReadEnum <AfpSessionTokenTypes>();
int idLength = requestStream.ReadInt32();
int?timestamp = null;
if (type == AfpSessionTokenTypes.kLoginWithTimeAndID ||
type == AfpSessionTokenTypes.kReconnWithTimeAndID)
{
timestamp = requestStream.ReadInt32();
}
Guid clientToken = new Guid(requestStream.ReadBytes((uint)idLength));
switch (type)
{
case AfpSessionTokenTypes.kLoginWithID: {
// Find existing session and disconnect it.
IAfpSession existingSession = session.Server.FindSession(clientToken, AfpSessionSearchType.ClientIssued);
if (existingSession != null)
{
existingSession.Close();
}
break;
}
case AfpSessionTokenTypes.kLoginWithTimeAndID: {
if (!timestamp.HasValue)
{
return(AfpResultCode.FPParamErr);
}
// Find an existing session.
IAfpSession existingSession = session.Server.FindSession(clientToken, AfpSessionSearchType.ClientIssued);
if (existingSession != null && existingSession != session)
{
// Existing session found, transfer resources if timestamp matches.
if (!existingSession.Timestamp.HasValue || existingSession.Timestamp.Value != timestamp.Value)
{
// Timestamp is different, close old session.
existingSession.Close();
}
}
break;
}
}
session.Timestamp = timestamp;
session.ClientToken = clientToken;
session.ServerToken = Guid.NewGuid();
byte[] token = session.ServerToken.Value.ToByteArray();
responseStream.WriteInt32(token.Length);
responseStream.WriteBytes(token);
return(AfpResultCode.FPNoErr);
}
