Hi,
It can be used to invoke codes from TCL.
e.g:
$ns_ at 10.00 stop
stop will be defined at command (e.g app.cc)
Good Luck.
rgds
Saravanan K
On Wed, Apr 10, 2013 at 6:09 AM, shiny shiny@gmail.com wrote:
hi all,
anybody can explain about command() function,how it works and what's the
purpose of that function.Waiting for ur replies frndz...
*example command function in snoop.cc file *
*
*
int
Snoop::command(int argc, const char*const* argv)
{
//Tcl tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1], llsnoop) == 0) {
parent_ = (LLSnoop *) TclObject::lookup(argv[2]);
if (parent_)
recvtarget_ = parent_-uptarget();
return (TCL_OK);
}
if (strcmp(argv[1], check-rxmit) == 0) {
if (empty_()) {
rxmitStatus_ = SNOOP_PROPAGATE;
return (TCL_OK);
}
Packet *p = pkts_[buftail_];
hdr_snoop *sh = hdr_snoop::access(p);
if (sh-sndTime()!=-1 sh-sndTime()atoi(argv[2])
sh-numRxmit() == 0)
/* candidate for retransmission */
rxmitStatus_ = snoop_rxmit(p);
else
rxmitStatus_ = SNOOP_PROPAGATE;
return (TCL_OK);
}
}
return NsObject::command(argc, argv);
}
--
With Regards,
John Shiny.J
