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#
# Copyright (C) 2001 by USC/ISI
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation, advertising
# materials, and other materials related to such distribution and use
# acknowledge that the software was developed by the University of
# Southern California, Information Sciences Institute. The name of the
# University may not be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#
# editor-nsparser.tcl
# - tcl parser for reading in nam editor files
# - they are basically stripped down ns scripts in the future perhaps the
# actual ns parser could be used
#
Editor instproc loadNsScript {tracefile} {
#filter the tcl file into a enam file first
set stream [new NamStream $tracefile]
while {[$stream eof] == 0} {
set line [$stream gets]
$self parseLine $line
}
}
#-----------------------------------------------------------------------
# Editor instproc parseLine {line}
# - This should be better integrated with setObjectProperties.
# - Basically this is a set of regular expressions for parsing
# a ns script generated by the nam editor
# - One piece of advice is to put the most complicated regular
# expressions first so that they match before simpler ones
#-----------------------------------------------------------------------
Editor instproc parseLine {line} {
$self instvar node_ edge_ agent_ traffic_source_ editor_view_ fid_ \
loss_model_ netmodel_
# ----- Nodes -----
if {[regexp {## node\(([0-9]+)\) at (-*[0-9.]+),(-*[0-9.]+)} \
$line matched node_id x y]} {
# Set xy value for node
#set node_($node_id) [new Node $node_id circle 10.0]
# $editor_view_ importNode $node_($node_id) $x $y
} elseif {[regexp {^set node\(([0-9]+)\) \[\$ns node\]} $line matched node_id]} {
# Create Node
# - 10.0 is the default node size from parser.cc:ParseTable::ParseTable()
set node_($node_id) [new Node $node_id circle 10.0]
$editor_view_ importNode $node_($node_id)
} elseif {[regexp {^\$node\(([0-9]+)\) set ([XYZ]_) ([-.0-9]+)} \
$line matched node_id property_variable value]} {
# Example: $node(id) set X_ 50.0
$editor_view_ setNodeProperty $node_id $value $property_variable
} elseif {[regexp {^\$node\(([0-9]+)\) ([a-zA-Z_]+) \"*([a-zA-Z.0-9#]+)\"*} \
$line matched node_id property_variable value]} {
$editor_view_ setNodeProperty $node_id $value $property_variable
} elseif {[regexp {^\$ns at [0-9.]+ \"\$node\(([0-9]+)\) label ([a-zA-Z_]+) \"} \
$line matched node_id value]} {
# Handle Node Labels
$editor_view_ setNodeProperty $node_id $value dlabel_
} elseif {[regexp {^\$ns at ([0-9.]+) \"\$node\(([0-9]+)\) setdest ([-.0-9]+) ([-.0-9]+) ([.0-9]+)\"} \
$line matched time node_id x y speed]} {
$node_($node_id) addMovement $time $x $y $speed
# ----- Links -----
} elseif {[regexp {^\$ns simplex-link \$node\(([0-9]+)\) \$node\(([0-9]+)\) ([0-9.]+)Mb ([0-9.]+)ms ([A-Za-z]+)} \
$line matched source destination bandwidth delay queue_type]} {
# Create Duplex Link
set sd "$source - $destination"
set edge_($sd) [new Edge $bandwidth $delay 1.0 0.0 25.0]
$editor_view_ attachNodes $edge_($sd) $node_($source) $node_($destination)
$editor_view_ addQueueHandle $edge_($sd) $queue_type
# set ds "$destination - $source"
# set edge_($ds) [new Edge $bandwidth $delay 1.0 0.0 25.0]
# $editor_view_ attachNodes $edge_($ds) $node_($destination) $node_($source)
} elseif {[regexp {^\$ns simplex-link-op \$node\(([0-9]+)\) \$node\(([0-9]+)\) ([a-zA-Z_]+) ([0-9.a-zA-Z#]+)} $line matched source destination property_variable value]} {
# Set Link Property
$editor_view_ setLinkProperty $source $destination $value $property_variable
# ----- Link Queue Handle Properties -----
} elseif {[regexp {^\[\[\$ns link \$node\(([0-9]+)\) \$node\(([0-9]+)\)\] queue\] set ([a-zA-Z_]+) ([0-9.a-zA-Z]+)} \
$line matched source destination variable_name value]} {
$editor_view_ setQueueHandleProperty $source $destination \
$variable_name $value
# ----- Link Loss Models -----
} elseif {[regexp {^set loss_model\(([0-9]+)\) \[new ErrorModel/(Uniform) ([0-9.]+) ([a-zA-Z]+)} \
$line matched loss_model_id loss_model_type rate_ loss_unit_]} {
# Create new loss model
set loss_model_($loss_model_id) [new LossModel $loss_model_type \
$loss_model_id 10.0]
$loss_model_($loss_model_id) setRate $rate_
$loss_model_($loss_model_id) setLossUnit $loss_unit_
} elseif {[regexp {^set loss_model\(([0-9]+)\) \[new ErrorModel/([a-zA-Z]+)} \
$line matched loss_model_id loss_model_type]} {
# Create new loss model
set loss_model_($loss_model_id) [new LossModel $loss_model_type \
$loss_model_id 10.0]
} elseif {[regexp {^\$loss_model\(([0-9]+)\) set ([a-zA-Z_]+) ([0-9.a-zA-Z]+)} \
$line matched loss_model_id property_variable value]} {
$editor_view_ setLossModelProperty $loss_model_id $value $property_variable
} elseif {[regexp {^\$ns lossmodel \$loss_model\(([0-9]+)\) \$node\(([0-9]+)\) \$node\(([0-9]+)\)} \
$line matched loss_model_id source destination]} {
$editor_view_ attachLossModel $loss_model_($loss_model_id) \
$node_($source) $node_($destination)
# ----- Agents -----
} elseif {[regexp {^set agent\(([0-9]+)\) \[new Agent/([a-zA-Z]+)} \
$line matched agent_id agent_type]} {
# Create new agent
set agent_($agent_id) [new Agent $agent_type $agent_id 10.0]
} elseif {[regexp {^\$ns attach-agent \$node\(([0-9]+)\) \$agent\(([0-9]+)\)} \
$line matched node_id agent_id]} {
# Add agent to the editor's view and attach it to its node
$editor_view_ importAgent $agent_($agent_id) $node_($node_id)
} elseif {[regexp {^\$agent\(([0-9]+)\) set ([a-zA-Z_]+) ([0-9.a-zA-Z]+)} \
$line matched agent_id property_variable value]} {
# Set Agent Property
if {$property_variable == "fid_"} {
$editor_view_ setAgentProperty $agent_id $fid_($value) flowcolor_
} else {
$editor_view_ setAgentProperty $agent_id $value $property_variable
}
} elseif {[regexp {^\$ns connect \$agent\(([0-9]+)\) \$agent\(([0-9]+)\)} \
$line matched source_id destination_id]} {
# Connect agents to each other
$editor_view_ linkAgents $agent_($source_id) $agent_($destination_id)
# ----- NS flow id -----
} elseif {[regexp {^\$ns color ([0-9]+) \"([a-zA-Z0-9#]+)\"} \
$line matched flow_id color]} {
set fid_($flow_id) $color
# ----- Traffic Sources -----
} elseif {[regexp {^set traffic_source\(([0-9]+)\) \[new Application/Traffic/([a-zA-Z]+)} \
$line matched trafficsource_id trafficsource_type]} {
# Create Traffic Source
set traffic_source_($trafficsource_id) \
[new TrafficSource $trafficsource_type $trafficsource_id 10.0]
# Matching FTP/Telnet Application type traffic sources
} elseif {[regexp {^set traffic_source\(([0-9]+)\) \[new Application/([a-zA-Z]+)} \
$line matched trafficsource_id trafficsource_type]} {
# Create Traffic Source
set traffic_source_($trafficsource_id) \
[new TrafficSource $trafficsource_type $trafficsource_id 10.0]
} elseif {[regexp {^\$traffic_source\(([0-9]+)\) attach-agent \$agent\(([0-9]+)\)} \
$line matched trafficsource_id agent_id]} {
$editor_view_ attachTrafficSource $traffic_source_($trafficsource_id) \
$agent_($agent_id)
} elseif {[regexp {^\$traffic_source\(([0-9]+)\) set ([a-zA-Z_]+) ([0-9.a-zA-Z]+)} \
$line matched trafficsource_id property_variable value]} {
$editor_view_ setTrafficSourceProperty $trafficsource_id $value $property_variable
} elseif {[regexp {^\$ns at ([0-9.]+) \"\$traffic_source\(([0-9]+)\) ([starop]+)\"} \
$line matched time trafficsource_id property_variable]} {
switch "$property_variable" {
start {
$editor_view_ setTrafficSourceProperty $trafficsource_id $time start_
}
stop {
$editor_view_ setTrafficSourceProperty $trafficsource_id $time stop_
}
}
# ----- Simulator Properties
} elseif {[regexp {^\$ns at ([0-9.]+) \"finish\"} $line matched finish_time]} {
$netmodel_ instvar maximum_simulation_time_
$self instvar slider_model_ slider_view_ editorwindow_
set maximum_simulation_time_ $finish_time
$slider_model_ destroy
$slider_view_ destroy
$self buildTimeSlider $editorwindow_.timeslider
} elseif {[regexp {^#} $line]} {
# Comment
} elseif {[regexp {^\n} $line]} {
# newline character
} else {
#puts "Skipping line: $line"
}
}
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