[ns] how to implement the PeriodicUnicast in PBC.hPBC.CC

I want to implement the PeriodicUnicast in my ns2,so I change the command function as follows,but donot correct who can teach me？？

[ns] how to change the freq of broadcasting the PBC packet

I donot know how to change the freq of broadcasting period in tcl c++，who can tell me ? thank you

[ns] what is the meaning of distCST_

in my simuation, the distCST_ value a huge number,what to lead to that situation？thanks

[ns] HOW TO IMPLEMENT THE TORA PROTOCOL IN ADHOC

with the ns2.34's tora protocol, i cannot use it as the dsdv or aodv, it have some errors,so friends who can tell me how to implement that protocol in reality.thanks