test-suite-simple-full.tcl

这个软件的功能是实现多播协议

	set ftp2 [$tcp2 attach-app FTP]

	$ns_ at 1.0 "$ftp1 start"
	$ns_ at 1.1 "$ftp2 start"

	$self tcpDump $tcp1 1.0

	# Trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace 10.0 $testName_]
	$ns_ run
}

Class Test/telnet -superclass TestSuite
Test/telnet instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	telnet
	Agent/TCP set timerfix_ false
	# The default is being changed to true.
	$self next
}
Test/telnet instproc run {} {
	$self instvar ns_ node_ testName_

	$ns_ queue-limit $node_(r1) $node_(k1) 8
	$ns_ queue-limit $node_(k1) $node_(r1) 8

	set tcp1 [$ns_ create-connection-listen TCP/FullTcp $node_(s1) TCP/FullTcp $node_(k1) 0]
	set tcp2 [$ns_ create-connection-listen TCP/FullTcp $node_(s2) TCP/FullTcp $node_(k1) 1]
	set tcp3 [$ns_ create-connection-listen TCP/FullTcp $node_(s2) TCP/FullTcp $node_(k1) 2]

	set telnet1 [$tcp1 attach-app Telnet]; $telnet1 set interval_ 1
	set telnet2 [$tcp2 attach-app Telnet]; $telnet2 set interval_ 0
	# Interval 0 designates the tcplib telnet interarrival distribution
	set telnet3 [$tcp3 attach-app Telnet]; $telnet3 set interval_ 0

	$ns_ at 0.0 "$telnet1 start"
	$ns_ at 0.0 "$telnet2 start"
	$ns_ at 0.0 "$telnet3 start"

	$self tcpDump $tcp1 5.0

	# Trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace 50.0 $testName_]

	# use a different seed each time
	#puts seed=[$ns_ random 0]

	$ns_ run
}

# # Delayed acks don't seem to work with FullTcp.
# 
# Class Test/delayed -superclass TestSuite
# Test/delayed instproc init topo {
# 	$self instvar net_ defNet_ test_
# 	set net_	$topo
# 	set defNet_	net0
# 	set test_	delayed
# 	$self next
# }
# Test/delayed instproc run {} {
# 	$self instvar ns_ node_ testName_
# 
# 	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCPSink/DelAck $node_(k1) 0]
# 	$tcp1 set window_ 50
# 
# 	# lookup up the sink and set it's delay interval
# 	[$node_(k1) agent [$tcp1 dst-port]] set interval 100ms
# 
# 	set ftp1 [$tcp1 attach-app FTP];
# 	$ns_ at 1.0 "$ftp1 start"
# 
# 	$self tcpDump $tcp1 1.0
# 
# 	# Trace only the bottleneck link
# 	$self traceQueues $node_(r1) [$self openTrace 4.0 $testName_]
# 	$ns_ run
# }

Class Test/phase -superclass TestSuite
Test/phase instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	phase
	$self next
}
Test/phase instproc run {} {
	$self instvar ns_ node_ testName_

	$ns_ delay $node_(s2) $node_(r1) 3ms
	$ns_ delay $node_(r1) $node_(s2) 3ms
	$ns_ queue-limit $node_(r1) $node_(k1) 16
	$ns_ queue-limit $node_(k1) $node_(r1) 100

	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 0]
	$tcp1 set window_ 32 
	set tcp2 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s2) TCP/FullTcp/Tahoe $node_(k1) 1]
	$tcp2 set window_ 32 

	set ftp1 [$tcp1 attach-app FTP]
	set ftp2 [$tcp2 attach-app FTP]

	$ns_ at 5.0 "$ftp1 start"
	$ns_ at 1.0 "$ftp2 start"

	$self tcpDump $tcp1 5.0

	# Trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
	$ns_ run
}

Class Test/phase1 -superclass TestSuite
Test/phase1 instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	phase1
	$self next
}
Test/phase1 instproc run {} {
	$self instvar ns_ node_ testName_

	$ns_ delay $node_(s2) $node_(r1) 9.5ms
	$ns_ delay $node_(r1) $node_(s2) 9.5ms
	$ns_ queue-limit $node_(r1) $node_(k1) 16
	$ns_ queue-limit $node_(k1) $node_(r1) 100

	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 0]
	$tcp1 set window_ 32 
	set tcp2 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s2) TCP/FullTcp/Tahoe $node_(k1) 1]
	$tcp2 set window_ 32 

	set ftp1 [$tcp1 attach-app FTP]
	set ftp2 [$tcp2 attach-app FTP]

	$ns_ at 5.0 "$ftp1 start"
	$ns_ at 1.0 "$ftp2 start"

	$self tcpDump $tcp1 5.0

	# Trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
	$ns_ run
}

Class Test/phase2 -superclass TestSuite
Test/phase2 instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	phase2
	$self next
}
Test/phase2 instproc run {} {
	$self instvar ns_ node_ testName_

	$ns_ delay $node_(s2) $node_(r1) 3ms
	$ns_ delay $node_(r1) $node_(s2) 3ms
	$ns_ queue-limit $node_(r1) $node_(k1) 16
	$ns_ queue-limit $node_(k1) $node_(r1) 100

	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 0]
	$tcp1 set window_ 32 
	$tcp1 set overhead_ 0.01
	set tcp2 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s2) TCP/FullTcp/Tahoe $node_(k1) 1]
	$tcp2 set window_ 32 
	$tcp2 set overhead_ 0.01

	set ftp1 [$tcp1 attach-app FTP]
	set ftp2 [$tcp2 attach-app FTP]

	$ns_ at 5.0 "$ftp1 start"
	$ns_ at 1.0 "$ftp2 start"

	$self tcpDump $tcp1 5.0

	# Trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
	$ns_ run
}

# # This test is only interesting if there is exponential backoff of the
# # retransmit timer.
# # It needs a delayed-ack TCP.
# 
# Class Test/timers -superclass TestSuite
# Test/timers instproc init topo {
# 	$self instvar net_ defNet_ test_
# 	set net_	$topo
# 	set defNet_	net0
# 	set test_	timers
# 	Agent/TCP set timerfix_ false
# 	# The default is being changed to true.
# 	$self next
# }
# Test/timers instproc run {} {
# 	$self instvar ns_ node_ testName_
# 
# 	$ns_ queue-limit $node_(r1) $node_(k1) 2
# 	$ns_ queue-limit $node_(k1) $node_(r1) 100
# 
# 	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 0]
# 	$tcp1 set window_ 4
# 	# look up the sink and set its delay interval
# 	[$node_(k1) agent [$tcp1 dst-port]] set interval_ 100ms
# 	set tcp2 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s2) TCP/FullTcp/Tahoe $node_(k1) 1]
# 	$tcp2 set window_ 4
# 	# look up the sink and set its delay interval
# 	[$node_(k1) agent [$tcp2 dst-port]] set interval_ 100ms
# 
# 	set ftp1 [$tcp1 attach-app FTP]
# 	set ftp2 [$tcp2 attach-app FTP]
# 
# 	$ns_ at 1.0 "$ftp1 start"
# 	$ns_ at 1.3225 "$ftp2 start"
# 
# 	$self tcpDump $tcp1 5.0
# 
# 	# Trace only the bottleneck link
# 	$self traceQueues $node_(r1) [$self openTrace 10.0 $testName_]
# 	$ns_ run
# }

# Many small TCP flows.
Class Test/manyflows -superclass TestSuite
Test/manyflows instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	manyflows
	$self next
}
Test/manyflows instproc run {} {
	$self instvar ns_ node_ testName_

	# Set up TCP connections

	set rng_ [new RNG]
	## $rng_ seed [ns random 0]
	set stoptime 5
	set randomflows 10
	for {set i 0} {$i < $randomflows} {incr i} {
	    set tcp [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 1]
	    set ftp [[set tcp] attach-app FTP]    
	    set numpkts [$rng_ uniform 0 10]
	    set starttime [$rng_ uniform 0 $stoptime]
	    $ns_ at $starttime "[set ftp] produce $numpkts" 
	    $ns_ at $stoptime "[set ftp] stop"  
	}   

	# Trace only the bottleneck link
	#
	# Actually, we now trace all activity at the node around the
	# bottleneck link.  This allows us to track acks, as well
	# packets taking any alternate paths around the bottleneck
	# link.
	#
	$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
	$ns_ run
}

TestSuite instproc printpkts { label tcp } {
	puts "tcp $label highest_seqment_acked [$tcp set ack_]"
}
TestSuite instproc printdrops { fid fmon } {
	set fcl [$fmon classifier]; # flow classifier
	#
	# look up the flow using the classifier.  Because we are
	# using a Fid classifier, the src/dst fields are not compared,
	# and can thus be just zero, as illustrated here.  The "auto"
	# indicates we don't already know which bucket in the classifier's
	# hash table to find the flow we're looking for.
	#
	set flow [$fcl lookup auto 0 0 $fid]
	puts "fid: $fid per-link total_drops [$flow set pdrops_]"
	puts "fid: $fid per-link total_packets [$flow set pdepartures_]"
	puts "fid: $fid per-link total_bytes [$flow set bdepartures_]"
	#
	# note there is much more date available in $flow and $fmon
	# that isn't being printed here.
	#
}
TestSuite instproc printstop { stoptime } {
	puts "stop-time $stoptime"
}
TestSuite instproc printall { fmon } {
 	puts "aggregate per-link total_drops [$fmon set pdrops_]"
	puts "aggregate per-link total_packets [$fmon set pdepartures_]"
}

Class Test/stats -superclass TestSuite
Test/stats instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	stats
	$self next
}
Test/stats instproc run {} {
	$self instvar ns_ node_ testName_ 

	$ns_ delay $node_(s2) $node_(r1) 200ms
	$ns_ delay $node_(r1) $node_(s2) 200ms
	$ns_ queue-limit $node_(r1) $node_(k1) 10
	$ns_ queue-limit $node_(k1) $node_(r1) 10

	set slink [$ns_ link $node_(r1) $node_(k1)]; # link to collect stats on
	set fmon [$ns_ makeflowmon Fid]
	$ns_ attach-fmon $slink $fmon

	set stoptime 10.1 

	set tcp0 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 0]
	$tcp0 set window_ 30
	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s2) TCP/FullTcp/Tahoe $node_(k1) 1]
	$tcp1 set window_ 30

	set ftp0 [$tcp0 attach-app FTP]
	set ftp1 [$tcp1 attach-app FTP]

	$ns_ at 1.0 "$ftp0 start"
	$ns_ at 1.0 "$ftp1 start"

	$self tcpDumpAll $tcp0 5.0 tcp0
	$self tcpDumpAll $tcp1 5.00001 tcp1

	set almosttime [expr $stoptime - 0.001]
	$ns_ at $almosttime "$self printpkts 0 $tcp0"
	$ns_ at $almosttime "$self printpkts 1 $tcp1"
	$ns_ at $stoptime "$self printdrops 0 $fmon; $self printdrops 1 $fmon"
	$ns_ at $stoptime "$self printall $fmon"

	# trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
	$ns_ run
}

Class Test/stats1 -superclass TestSuite
Test/stats1 instproc init topo {
	$self instvar net_ defNet_ test_
	set net_	$topo
	set defNet_	net0
	set test_	stats1
	$self next
}
Test/stats1 instproc run {} {
	$self instvar ns_ node_ testName_ 

	$ns_ delay $node_(s2) $node_(r1) 200ms
	$ns_ delay $node_(r1) $node_(s2) 200ms
	$ns_ queue-limit $node_(r1) $node_(k1) 10
	$ns_ queue-limit $node_(k1) $node_(r1) 10
	set packetSize_ 100
	Agent/TCP set packetSize_ $packetSize_
	puts "TCP packetSize [Agent/TCP set packetSize_]"

	set slink [$ns_ link $node_(r1) $node_(k1)]; # link to collect stats on
	set fmon [$ns_ makeflowmon Fid]
	$ns_ attach-fmon $slink $fmon

	set stoptime 10.1 

	set tcp0 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s1) TCP/FullTcp/Tahoe $node_(k1) 0]
	$tcp0 set window_ 30
	set tcp1 [$ns_ create-connection-listen TCP/FullTcp/Tahoe $node_(s2) TCP/FullTcp/Tahoe $node_(k1) 1]
	$tcp1 set window_ 30

	set ftp0 [$tcp0 attach-app FTP]
	set ftp1 [$tcp1 attach-app FTP]

	set packets_ftp 10
	set bytes_ftp [expr $packets_ftp * $packetSize_]
	$ns_ at 1.0 "$ftp0 produce $packets_ftp"
	puts "ftp 0 segments_produced $packets_ftp (using `FTP produce pktcnt')"
	$ns_ at 1.0 "$ftp1 send $bytes_ftp"
	puts "ftp 1 bytes_produced $bytes_ftp (using `FTP send nbytes')"

	set almosttime [expr $stoptime - 0.001]
	$ns_ at $almosttime "$self printpkts 0 $tcp0"
	$ns_ at $almosttime "$self printpkts 1 $tcp1"
	$ns_ at $stoptime "$self printdrops 0 $fmon; $self printdrops 1 $fmon"
	$ns_ at $stoptime "$self printall $fmon"

	# trace only the bottleneck link
	$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
	$ns_ run
}

TestSuite runTest

### Local Variables:
### mode: tcl
### tcl-indent-level: 8
### tcl-default-application: ns
### End: