#
# Copyright (c) 1996-1997 Regents of the University of California.
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
# 	This product includes software developed by the MASH Research
# 	Group at the University of California Berkeley.
# 4. Neither the name of the University nor of the Research Group may be
#    used to endorse or promote products derived from this software without
#    specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#) $Header: /cvsroot/nsnam/ns-2/tcl/lib/ns-trace.tcl,v 1.23 2001/05/21 19:27:34 haldar Exp $
#

Trace instproc init type {
	$self next $type
	$self instvar type_
	set type_ $type
}

Trace instproc format args {
	# The strange puts construction below helps us write formats such as
	# 	$traceObject format {$src_} {$dst_} 
	# that will then put the source or destination id in the desired place.

	$self instvar type_ fp_ src_ dst_

	if [info exists fp_] {
		set ns [Simulator instance]
		puts $fp_ [eval list $type_ [$ns now] [eval concat $args]]
	}
}

Trace instproc attach fp {
	$self instvar fp_

	set fp_ $fp
	$self cmd attach $fp_
}

# For now separate attach instprocs for Trace and BaseTrace
# later will merge both. change Trace to BaseTrace/Trace

BaseTrace instproc attach fp {
    $self instvar fp_
    
    set fp_ $fp
    $self cmd attach $fp_
}

Class Trace/Hop -superclass Trace
Trace/Hop instproc init {} {
	$self next "h"
}

Class Trace/Enque -superclass Trace
Trace/Enque instproc init {} {
	$self next "+"
}

Trace/Deque instproc init {} {
	$self next "-"
}

#Early Drop Trace - added by ratul to be able to trace edrops in RED queues
Class Trace/EDrop -superclass Trace
Trace/EDrop instproc init {} {
    $self next "e"
}

#Monitored Early Drop Trace - added by ratul to be able to trace mon_edrops in RedPD queues
Class Trace/MEDrop -superclass Trace
Trace/MEDrop instproc init {} {
    $self next "m"
}


# Next two are for SessionSim's packet traces
Class Trace/SessEnque -superclass Trace
Trace/SessEnque instproc init {} {
	$self next "E"	;# Should use '='? :)
}

Class Trace/SessDeque -superclass Trace
Trace/SessDeque instproc init {} {
	$self next "D"	;# Should use '_'?
}

Class Trace/Recv -superclass Trace 
Trace/Recv instproc init {} {
	$self next "r"
}

Class Trace/Drop -superclass Trace
Trace/Drop instproc init {} {
	$self next "d"
}

Class Trace/Generic -superclass Trace
Trace/Generic instproc init {} {
	$self next "v"
}

#MAC level Collision traces
Class Trace/Collision -superclass Trace
Trace/Collision instproc init {} {
    $self next "c"
}

# var trace shouldn't be derived here because it shouldn't be a connector
# it's here only for backward compatibility
Class Trace/Var -superclass Trace
Trace/Var instproc init {} {
	$self next "f"
}

# Some pretty printing routines for generic use...
proc f-time t {
	# format time
	format "%7.4f" $t
}

proc f-node n {
	# format node id...
	set node [expr $n >> 8]
	set port [expr $n & 0xff]
	return "$node.$port"
}

proc gc o {
	set ret "NULL_OBJECT"
	if { $o != "" } {
		set ret ""
		foreach i $o {
			if ![catch "$i info class" val] {
				lappend ret $val
			}
		}
	}
	set ret
}

Node instproc tn {} {
	$self instvar id_
	return "${self}(id $id_)"
}

Simulator instproc gen-map {} {
	# Did you ever see such uglier code? duh?
	#

	$self instvar Node_ link_ MobileNode_

	set nn [Node set nn_]
	for {set i 0} {$i < $nn} {incr i} {
		if ![info exists Node_($i)] {
			#incr i
			continue
		}
		set n $Node_($i)
		puts "Node [$n tn]"
		foreach nc [$n info vars] {
			switch $nc {
				ns_		continue
				id_		continue
				neighbor_	continue
				agents_		continue
				routes_		continue
				np_		continue
				default {
					if [$n array exists $nc] {
						puts "\t\t$nc\t[$n array get $nc]"
					} else {
						set v [$n set $nc]
						puts "\t\t$nc${v}([gc $v])"
					}
				}
			}
		}
		# Would be nice to dump agents attached to the dmux here?
		if {[llength [$n set agents_]] > 0} {
			puts "\n\tAgents at node (possibly in order of creation):"
			foreach a [$n set agents_] {
				puts "\t\t$a\t[gc $a]\t\tdst-addr/port: [$a set dst_addr_]/[$a set dst_port_]"
			}
		}
		puts ""
		foreach li [array names link_ [$n id]:*] {
			set L [split $li :]
			set nbr [[$self get-node-by-id [lindex $L 1]] entry]
			set ln $link_($li)
			puts "\tLink $ln, fromNode_ [[$ln set fromNode_] tn] -> toNode_ [[$ln set toNode_] tn]"
			puts "\tComponents (in order) head first"
			for {set c [$ln head]} {$c != $nbr} {set c [$c target]} {
				puts "\t\t$c\t[gc $c]"
			}
		}
		puts "---"
	}
}



Simulator instproc maybeEnableTraceAll {obj args} {
        foreach {file tag} {
                traceAllFile_           {}
                namtraceAllFile_        nam
        } {
                $self instvar $file
                if [info exists $file] {
                        $obj trace [set $file] $args $tag
                }
        }
}