Re: [lwip-users] Changing Port number at run time

[junix]

Quoting Simon Goldschmidt <address@hidden>:

> Sanchayan wrote:
> > I tried to see in lwiplib.c file, if there is a function like  
> > lwIPNetworkConfigChange(), which will help me change the port  
> > number for a particular connection.
> I don't know that file, which suggests it is not part of lwIP itself  
> but rather part of a specific lwIP port.
You are right. It's part of the Stellaris-Port that TI did. According  
to the documentation, the function he mentioned uses either  
netif_set_addr or does the DHCP stuff needed to get/change the  
IP-Adress:
> //! This function will evaluate the new configuration data.  If  
> necessary, the
> //! interface will be brought down, reconfigured, and then brought back up
> //! with the new configuration.

> > I have got a connection running in listening mode on a particular  
> > port. For giving Dynamic DNS provision, i need to change the port  
> > number of my listening connection at run time.
I don't understand this one. What exactly do you want to achieve? I  
don't yet get why you need to change the port number of your LISTENING  
port at runtime?

Regards
Ueli