[Click] segmentation fault using cp_va_parse

[Eddie Kohler]

Sendoa

This code is not right at all.  Please look at other elements and at the Click 
"API" documentation for "confparse.hh."

Eddie


sendoa vaz wrote:
> Hi,
> 
> I am trying to add the VLAN capability to the etherswitch element and I have
> introduced a new write handler to introduce new records into the
> etherswitch's table and whenever I try to run the configuration and use this
> new write handler I get a segmentation fault. I execute the following
> command :  write switch2.tabla 11:1:11:00:12:12 10 13 100. I think the
> problem  could be originated when I capture the port and the vlan
> arguments...Anyone has deal with cp_va_parse ??
> 
> Thanks in advance!
> 
> Sendoa
> 
> int
> EtherSwitch::writer(const String &arg, Element *e, void *, ErrorHandler
> *errh)
> {
>     EtherSwitch *sw = (EtherSwitch *) e;
> 
>     Vector<String> args;
>     EtherAddress eth;
>     cp_spacevec(arg,args);
> 
>     if (args.size() <4) {
>     return errh->error("Necesitas especificar 4 parametros");
>     }
> 
>     if (!cp_ethernet_address(args[0], &eth))
>     {
>       return errh->error("Couldn't read EtherAddress out of eth");
>     }
> 
>     uint16_t _vlan=0;
>     int       _port=0;
> 
>    cp_va_parse(cp_uncomment(args[1]),0,errh,cpUnsigned,"port",_port);
>     cp_va_parse(cp_uncomment(args[2]),0,errh,cpTCPPort,"vlan",_vlan);
>     cp_seconds_as(cp_uncomment(args[3]), 0, &sw->_timeout);
>     Timestamp stamp=sw->_timeout;
> 
>    int condition=0;
> 
>     for (Table::iterator iter = sw->_table.begin(); iter.live(); iter++)
>     {
>         if(eth==iter.key() && _vlan==iter.value().vlan)
>         condition=1;
>     }
>     if(condition==0)
>     sw->insert(eth,_port,_vlan,stamp);
> 
>     return 0;
> }
> int
> EtherSwitch::insert(EtherAddress eth,int port,uint16_t vlan,Timestamp
> &stamp)
> {
>      _table.insert(eth, AddrInfo(port,stamp,vlan));
>      return 0;
> }
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