I tried Binding a Static Variable, based on how it is described in the
ns-documentation section 3.5.1, but it is not working.
The simulator is not recognizing the Classname that I am giving.
Here is what I tried
>I added the static variable in snoop.h in the class Snoop declaration in
>snoop.h
static int bufsize_;
>I defined it in the snoop.cc file
int Snoop::bufsize_;
>I did this
class SnoopBufferClass : public TclClass {
protected:
SnoopBufferClass(const char* classname, int bufsize);
TclObject* create(int argc, const char*const* argv);
/* These two implements OTcl class access methods */
virtual void bind();
virtual int method(int argc, const char*const* argv);
};
void SnoopBufferClass::bind()
{
/* Call to base class bind() must precede add_method() */
TclClass::bind();
add_method("bufsize");
}
int SnoopBufferClass::method(int ac, const char*const* av)
{
Tcl& tcl = Tcl::instance();
/* Notice this argument translation; we can then handle them as if in
TclObject::command() */
int argc = ac - 2;
const char*const* argv = av + 2;
if (argc == 2) {
if (strcmp(argv[1], "bufsize") == 0) {
tcl.resultf("%d", Snoop::bufsize_);
return (TCL_OK);
}
} else if (argc == 3) {
if (strcmp(argv[1], "bufsize") == 0) {
Snoop::bufsize_ = atoi(argv[2]);
return (TCL_OK);
}
}
return TclClass::method(ac, av);
}
After this, I tried to use the following OTcl command to access and change
values of Snoop::bufsize__:
SnoopBuffer bufsize 120
set i [SnoopBuffer bufsize]
set i [SnoopBuffer set bufsize]
RESULT: invalid command "SnoopBuffer"
After this, I tried to use the following OTcl command to access and change
values of Snoop::bufsize__:
SnoopBufferClass bufsize 120
set i [SnoopBufferClass bufsize]
set i [SnoopBufferClass set bufsize]
RESULT: invalid command "SnoopBufferClass"
I even tried to add a constructor in snoop.cc
SnoopBufferClass::SnoopBufferClass(const char* classname, int
bufsize):TclClass("SnoopBuffer"), bufsize_(0)
{
return 0;
}
Still same reply
Please Help me out with this
If you have a working example of binding a static variable please refer it to
me.
(Except the offset variable in PacketHeader, I cannot understand what is going
on over there)
The main goal is to get the interpreter to recognise the classname I am
creating.
Any help or suggestions you can give me will be appreciated.
thanks in advance
pankaj
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