FWIW, I hate having a bunch of separate TCL routines to do related
things. IMO, one of the nice things about TCL is that knowing you
want to do a file thing makes it reasonable to look at [file] first,
not [openfile], [rewindfile], [truncatefile], ... Separate routines
makes it harder to find out "how do I do this thing?", even if I know
how to do something related (like, if I know [ns_conn peeraddr] gives
me the remote IP, it would be reasonable to guess that [ns_conn] might
also have a way to give me the client address).
Overloading ns_conn is easy in TCL:
proc rl_conn {arg {conn ""}} {
global __form __url
if {[info exists __url]} {
if {$arg == "url"} {
return $__url
} elseif {$arg == "urlc"} {
return [llength [split [string range $__url 1 end] /]]
} elseif {$arg == "urlv"} {
# NOTE: might need to trim trailing slashes here??
return [split [string range $__url 1 end] /]
}
}
if {$arg == "form"} {
if {[info exists __form]} {
return $__form
}
}
return [aol_ns_conn $arg]
}
# NOTE: next rename fails when file is sourced, 2nd rename fails
# on boot; this is correct
catch {rename ns_conn aol_ns_conn}
catch {rename ns_conn {}}
rename rl_conn ns_conn
Jim
>
> +---------- On Jul 19, Nathan Folkman said:
> > Actually I think Dossy is proposing to add a new arg to the ns_conn
> > command, and not changing the current behavior of "ns_conn peeraddr" in
> > order to keep backwards compatibility. I believe the proposal was to add
> > something like "ns_conn clientaddr". Dossy, please correct me if I'm wrong.
>
> A totally separate command, like "ns_clientaddr", would be better. It's
> easy to backport a standalone command - particularly when it can be
> easily implemented in Tcl alone. It's more involved to backport a new
> ns_conn subcommand.
>
>
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