#
# Copyright (c) 1993-1995 Regents of the University of California.
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# 3. All advertising materials mentioning features or use of this software
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#	This product includes software developed by the Network Research
#	Group at Lawrence Berkeley National Laboratory.
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#    specific prior written permission.
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# @(#) $Header: /work/projects/tove/cvs/src/testing/vic-2.8/cf-confbus.tcl,v 1.1 1997/12/03 11:14:41 parnanen Exp $ (LBL)
#

proc confbusHandler { cb msg } {
	global cb_dispatch
	if { [llength $msg] < 1 } {
		debug "bad confbus message: $msg"
		return
	}
	set class [lindex $msg 0]
	if ![info exists cb_dispatch($class)] {
		debug "no such confbus method: $class"
		return
	}
	set proc $cb_dispatch($class)
	set formals [info args $proc]
	set actuals [lrange $msg 1 end]
	if { [llength $actuals] != [llength $formals] } {
		debug "confbus arg mismatch: $class ($formals)/($actuals)"
		return		
	}
	eval "$proc $actuals"
}

proc init_confbus {} {
	set channel [resource confBusChannel]
	if { $channel != 0 } {
		global V
		set V(cb) [new confbus $channel]
		$V(cb) handler confbusHandler
	}
}

#XXX
#proc cb_announce {} {
#	global V
#	$V(cb) send "pulse video"
#}
