Not able to detect FIN flag

[Suraj Kota]

Hie,
I have written this in ipv4-nix-vector-routing's route output. But, "caught fin packet" is never displayed.

if(p)

{

            TcpHeader tcpHeader;

            p->PeekHeader(tcpHeader);

            uint8_t tcpflags = tcpHeader.GetFlags () & ~(TcpHeader::PSH | TcpHeader::URG);

            if (tcpflags == TcpHeader::FIN)

            {

                std::cout<<"caught fin packet";

            }

}
I have checked the log of Tcpsocketbase also, the connection is being terminated properly.
In routeoutput of nix-vector-routing, How can I detect that the application has finished sending data and is about to close the socket ? Please help me out

[Tommaso Pecorella]

if (tcpflags & TcpHeader::FIN)

T.

[Suraj K]

Thankyou Man :) I always go wrong with the simple c++ concepts :D

K SURAJ

Information Technology

National Institute of Technology, Raipur

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