ns-lib.tcl

Ns2下Wimax的代码

	    rxPower_ txPower_ idlePower_ sleepPower_ sleepTime_ transitionPower_ \
	    transitionTime_ satNodeType_ eotTrace_

        if [info exists macTrace_] {
		Simulator set MacTrace_ $macTrace_
	}
        if [info exists routerTrace_] {
		Simulator set RouterTrace_ $routerTrace_
	}
        if [info exists agentTrace_] {
		Simulator set AgentTrace_ $agentTrace_
	}
        if [info exists movementTrace_] {
		Simulator set MovementTrace_ $movementTrace_
	}

	# change wrt Mike's code
	if [info exists eotTrace_] {
                Simulator set EotTrace_ $eotTrace_
        }

        # hacking for matching old cmu add-interface
        # not good style, for back-compability ONLY
	#
	# Only create 1 instance of prop
	if {[info exists propInstance_]} {
		if {[info exists propType_] && [Simulator set propInstCreated_] == 0} {
			warn "Both propType and propInstance are set. propType is ignored."
		}
	} else {
		if {[info exists propType_]} {
			set propInstance_ [new $propType_]
			Simulator set propInstCreated_ 1
		}
	}
	
	# Add multi-interface support:
 	# User can only specify either channelType_ (single_interface as 
	# before) or channel_ (multi_interface)
 	# If both variables are specified, error!
 	if {[info exists channelType_] && [info exists channel_]} { 
		error "Can't specify both channel and channelType, error!"
	} elseif {[info exists channelType_] && ![info exists satNodeType_]} {
		# Single channel, single interface
		warn "Please use -channel as shown in tcl/ex/wireless-mitf.tcl"
		if {![info exists chan]} {
			set chan [new $channelType_]
		}
 	} elseif {[info exists channel_]} {
		# Multiple channel, multiple interfaces
		set chan $channel_
 	}
	if [info exists topoInstance_] {
		$propInstance_  topography $topoInstance_
	}
	# set address type, hierarchical or expanded
	if {[string compare $addressType_ ""] != 0} {
		$self set-address-format $addressType_ 
	}
	# set mobileIP flag
	if { [info exists mobileIP_] && $mobileIP_ == "ON"} {
		Simulator set mobile_ip_  1
	} else {
		if { [info exists mobileIP_] } {
			Simulator set mobile_ip_ 0
		}
	}
}

# Default behavior is changed: consider nam as not initialized if 
# no shape OR color parameter is given
Simulator instproc node args {
	$self instvar Node_ routingAgent_ wiredRouting_ satNodeType_
        if { [Simulator info vars EnableMcast_] != "" } {
                warn "Flag variable Simulator::EnableMcast_ discontinued.\n\t\
                      Use multicast methods as:\n\t\t\
                        % set ns \[new Simulator -multicast on]\n\t\t\
                        % \$ns multicast"
                $self multicast
                Simulator unset EnableMcast_
        }
        if { [Simulator info vars NumberInterfaces_] != "" } {
                warn "Flag variable Simulator::NumberInterfaces_ discontinued.\n\t\
                      Setting this variable will not affect simulations."
                Simulator unset NumberInterfaces_
        }

	# Satellite node
	if { [info exists satNodeType_] } {
		set node [eval $self create-satnode]
		#simulator's nodelist in C++ space
		if {[info exists wiredRouting_] && $wiredRouting_ == "ON"} {
			# add node to simulator's nodelist in C++ space
			$self add-node $node [$node id]
			# Want to keep global state of wiredRouting info
			SatRouteObject set wiredRouting_ true
		}
		return $node
	}
	
	# wireless-ready node
	if { [info exists routingAgent_] && ($routingAgent_ != "") } {
		set node [eval $self create-wireless-node $args]
		# for base node
		if {[info exists wiredRouting_] && $wiredRouting_ == "ON"} {
			set Node_([$node id]) $node
			#simulator's nodelist in C++ space
			$self add-node $node [$node id] 
		}
		return $node
	}
	

	# Enable-mcast is now done automatically inside Node::init{}
	# 
	# XXX node_factory_ is deprecated, HOWEVER, since it's still used by
	# mobile IP, algorithmic routing, manual routing, and backward 
	# compability tests of hierarchical routing, we should keep it around
	# before all related code are wiped out.
	set node [eval new [Simulator set node_factory_] $args]
	set Node_([$node id]) $node
	
	#add to simulator's nodelist in C++ space
	$self add-node $node [$node id] 

	#set the nodeid in c++ Node - ratul
	$node nodeid [$node id]

	$node set ns_ $self
	$self check-node-num
	return $node
}

# XXX This is stupid hack. When old code (not using node-config) is used, 
# create-wireless-node{} will not be called, and IMEPFlag_ will remain empty
# (as set in ns-default.tcl), then Node/MobileNode will use global proc 
# cmu-trace to create trace objects; otherwise mobility-trace{} will be 
# triggered.
Simulator instproc imep-support {} {
	return [Simulator set IMEPFlag_]
}

# XXX This should be moved into the node initialization procedure instead 
# of standing here in ns-lib.tcl.
Simulator instproc create-wireless-node args {
        $self instvar routingAgent_ wiredRouting_ propInstance_ llType_ \
	    macType_ ifqType_ ifqlen_ phyType_ chan antType_ \
	    energyModel_ initialEnergy_ txPower_ rxPower_ \
	    idlePower_ sleepPower_ sleepTime_ transitionPower_ transitionTime_ \
	    topoInstance_ level1_ level2_ inerrProc_ outerrProc_ FECProc_

	Simulator set IMEPFlag_ OFF

        # create node instance
        set node [eval $self create-node-instance $args]
        
        # basestation address setting
        if { [info exist wiredRouting_] && $wiredRouting_ == "ON" } {
		$node base-station [AddrParams addr2id [$node node-addr]]
    	}
        switch -exact $routingAgent_ {
	    DSDV {
		    set ragent [$self create-dsdv-agent $node]
	    }
	    DSR {
		    $self at 0.0 "$node start-dsr"
	    }
	    AODV {
		    set ragent [$self create-aodv-agent $node]
	    }
	    TORA {
		    Simulator set IMEPFlag_ ON
		    set ragent [$self create-tora-agent $node]
	    }
	    DIFFUSION/RATE {
		    eval $node addr $args
		    set ragent [$self create-diffusion-rate-agent $node]
	    }
	    DIFFUSION/PROB {
		    eval $node addr $args
		    set ragent [$self create-diffusion-probability-agent $node]
	    }
	    Directed_Diffusion {
		    eval $node addr $args
		    set ragent [$self create-core-diffusion-rtg-agent $node]
	    }
	    FLOODING {
		    eval $node addr $args
		    set ragent [$self create-flooding-agent $node]
	    }
	    OMNIMCAST {
		    eval $node addr $args
		    set ragent [$self create-omnimcast-agent $node]
	    }
	    DumbAgent {
		    set ragent [$self create-dumb-agent $node]
	    }
	    ManualRtg {
		    set ragent [$self create-manual-rtg-agent $node]
	    }
	    default {
		    eval $node addr $args
		    puts "Wrong node routing agent!"
		    exit
	    }
	}

	# errProc_ and FECProc_ are an option unlike other 
        # parameters for node interface
	if ![info exist inerrProc_] {
		set inerrProc_ ""
	}
	if ![info exist outerrProc_] {
		set outerrProc_ ""
	}
	if ![info exist FECProc_] {
		set FECProc_ ""
	}

	

	# Add main node interface
	$node add-interface $chan $propInstance_ $llType_ $macType_ \
	    $ifqType_ $ifqlen_ $phyType_ $antType_ $topoInstance_ \
			$inerrProc_ $outerrProc_ $FECProc_
	# Attach agent
	if {$routingAgent_ != "DSR"} {
		$node attach $ragent [Node set rtagent_port_]
	}
	if {$routingAgent_ == "DIFFUSION/RATE" ||
            $routingAgent_ == "DIFFUSION/PROB" ||
            $routingAgent_ == "FLOODING" ||
            $routingAgent_ == "OMNIMCAST" ||
	    $routingAgent_ == "Directed_Diffusion" } {
		$ragent port-dmux [$node demux]
		$node instvar ll_
		$ragent add-ll $ll_(0)
	}
	if { $routingAgent_ == "DumbAgent" } {
		$ragent port-dmux [$node demux]
	}
	

	# Bind routing agent and mip agent if existing basestation 
	# address setting
        if { [info exist wiredRouting_] && $wiredRouting_ == "ON" } {
		if { $routingAgent_ != "DSR" } {
			$node mip-call $ragent
		}
	}
	#
        # This Trace Target is used to log changes in direction
        # and velocity for the mobile node.
        #
	set tracefd [$self get-ns-traceall]
        if {$tracefd != "" } {
		$node nodetrace $tracefd
		$node agenttrace $tracefd
	}
	set namtracefd [$self get-nam-traceall]
	if {$namtracefd != "" } {
		$node namattach $namtracefd
	}
	if [info exists energyModel_] {
		if  [info exists level1_] {
			set l1 $level1_
		} else {
			set l1 0.5
		}
		if  [info exists level2_] {
			set l2 $level2_
		} else {
			set l2 0.2
		}
		$node addenergymodel [new $energyModel_ $node \
				$initialEnergy_ $l1 $l2]
        }
        if [info exists txPower_] {
		$node setPt $txPower_
        }
        if [info exists rxPower_] {
		$node setPr $rxPower_
        }
        if [info exists idlePower_] {
		$node setPidle $idlePower_
        }
#
	if [info exists sleepPower_] {
		$node setPsleep $sleepPower_
        }
	if [info exists sleepTime_] {
		$node setTSleep $sleepTime_
        }
	if [info exists transitionPower_] {
		$node setPtransition $transitionPower_
        }
	if [info exists transitionTime_] {
		$node setTtransition $transitionTime_
        }	
#
	$node topography $topoInstance_
	
	return $node
}

Simulator instproc create-node-instance args {
	$self instvar routingAgent_
	# DSR is a special case
	if {$routingAgent_ == "DSR"} {
		set nodeclass [$self set-dsr-nodetype]
	} else {
		set nodeclass Node/MobileNode
	}
	return [eval new $nodeclass $args]
}

Simulator instproc set-dsr-nodetype {} {
	$self instvar wiredRouting_ 
	set nodetype SRNodeNew
	# MIP mobilenode
	if [Simulator set mobile_ip_] {
		set nodetype SRNodeNew/MIPMH
	} 
	# basestation dsr node
	if { [info exists wiredRouting_] && $wiredRouting_ == "ON"} {
		set nodetype Node/MobileNode/BaseStationNode
	}
	return $nodetype
}

Simulator instproc create-tora-agent { node } {
        set ragent [new Agent/TORA [$node id]]
	$node set ragent_ $ragent
	return $ragent
}

Simulator instproc create-dsdv-agent { node } {
	# Create a dsdv routing agent for this node
	set ragent [new Agent/DSDV]
	# Setup address (supports hier-addr) for dsdv agent
	# and mobilenode
	set addr [$node node-addr]
	$ragent addr $addr
	$ragent node $node
	if [Simulator set mobile_ip_] {
		$ragent port-dmux [$node demux]
	}
	$node addr $addr
	$node set ragent_ $ragent
	$self at 0.0 "$ragent start-dsdv"    ;# start updates
	return $ragent
}


Simulator instproc create-dumb-agent { node } {
	
	# create a simple wireless agent
	# that only forwards packets
	# used for testing single hop brdcast/unicast mode 
	# for wireless macs

	set ragent [new Agent/DumbAgent]
	$node set ragent_ $ragent
	
	return $ragent
}

Simulator instproc create-manual-rtg-agent { node } {
	
	# create a simple wireless agent
	# that only forwards packets
	# used for testing single hop brdcast/unicast mode 
	# for wireless macs

	set ragent [new Agent/ManualRtgAgent]
	$node set ragent_ $ragent
	$node attach $ragent [Node set rtagent_port_]
	
	return $ragent
}

Simulator instproc create-aodv-agent { node } {
        #  Create AODV routing agent
	set ragent [new Agent/AODV [$node node-addr]]
        $self at 0.0 "$ragent start"     ;# start BEACON/HELLO Messages
        $node set ragent_ $ragent
        return $ragent
}

Simulator instproc use-newtrace {} {
	Simulator set WirelessNewTrace_ 1
} 

Simulator instproc use-taggedtrace { {tag ON} } {
	Simulator set TaggedTrace_ $tag
}

Simulator instproc hier-node haddr {
 	error "hier-nodes should be created with [$ns_ node $haddr]"
}

Simulator instproc now {} {
	$self instvar scheduler_
	return [$scheduler_ now]
}

Simulator instproc at args {
	$self instvar scheduler_
	return [eval $scheduler_ at $args]
}

Simulator instproc at-now args {
	$self instvar scheduler_
	return [eval $scheduler_ at-now $args]
}

Simulator instproc cancel args {
	$self instvar scheduler_
	return [eval $scheduler_ cancel $args]
}

Simulator instproc after {ival args} {
        eval $self at [expr [$self now] + $ival] $args
}

#
# check if total num of nodes exceed 2 to the power n 
# where <n=node field size in address>
#
Simulator instproc check-node-num {} {
	if {[Node set nn_] > [expr pow(2, [AddrParams nodebits])]} {
		error "Number of nodes exceeds node-field-size of [AddrParams nodebits] bits"
	}
}

#
# Check if number of items at each hier level (num of nodes, or clusters or
# domains) exceed size of that hier level field size (in bits). should be 
# modified to support n-level of hierarchies
#
Simulator instproc chk-hier-field-lengths {} {
	AddrParams instvar domain_num_ cluster_num_ nodes_num_
	if [info exists domain_num_] {
		if {[expr $domain_num_ - 1]> [AddrParams NodeMask 1]} {
			error "\# of domains exceed dom-field-size "
		}
	} 
	if [info exists cluster_num_] {
		set maxval [expr [find-max $cluster_num_] - 1] 
		if {$maxval > [expr pow(2, [AddrParams NodeMask 2])]} {