Hi,
due to very limited resources I need to do a strange thing ;-)
I need to change the listener port of one single TCP listening connection "on
the fly" in its idle state.
I've got this structure:
// Superserver Connection Handles
struct
{
struct netconn *conn;
// Pointer auf die Netconn
unsigned char
conn_id; // ID der zugehörigen Connection, Ist auch
Kenner ob die netconn belegt ist (wenn !=0)
unsigned char
conn_sub; // ID der zugehörigen Subconnection
} ssrv_netconn [anz_supersrv_netconns];
The ssrv_netconn[2] is my active listening connection. Within this construct,
the listening port has the path:
ssrv_netconn[2] -> conn -> pcb -> tcp -> local_port
Looks easy, but due to the complicated structure of the netconn in LwIp I have
absolutely no clue how I can change the value of "local_port" :-(
So, let's say I want to set the "local_port" mentiones above to "1234". How
should my C line look like? I've played around a while with combinations of
dots and "->", but I can't get that without compiler errors.
Any ideas are highly appreciated.
VBR,
Marco_______________________________________________
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