Hi,
I have downloaded and setup ns-allinone-2.26 with cygwin and made some changes to run Ping Agent as it was described at HYPERLINK "http://www.isi.edu/nsnam/ns/tutorial/"http://www.isi.edu/nsnam/ns/tutorial/ I can run the example script in the website. Also I can run other scripts I wrote. Then I tried to write a script and it became a very big problem for me. When I try to run it says segmentation fault(core dumped) and I could not solve the problem. I hope somebody can help me :) Thanks for your time and attention .... Sincerely ... R.A. Tufan BIYIKTAŞ ############################################################################ # TCL CODE HERE ############################################################################ # CHECK COMMAND LINE PARAMETERS if { $argc!=6} { puts "Missing parameters!!! " puts "ns ptrain.tcl <initial_gap_time ms> <packet_size byte> <train_length> <train_number> <result_filename> <simulation_time sec>" exit 1 } # GET COMMAND LINE PARAMETERS set initialGapTime [lindex $argv 0] set packetSize [lindex $argv 1] set trainLength [lindex $argv 2] set trainNumber [lindex $argv 3] set resultFileName [lindex $argv 4] set simulationTime [lindex $argv 5] # --- GLOBAL VARIABLES --- # set startSendTime 0.20 set trafficPacketSize 800 set trafficSourceInterval 0.001950 set trafficRate 1Mb set nodeNumber 6 set topoDimX 600 set topoDimY 600 set pingSenderNodeX 50 set pingSenderNodeY 50 set pingSenderNodeY 0 set pingReceiverNodeX 500 set pingReceiverNodeY 350 set pingReceiverNodeZ 0 set leftGatewayNodeX 200 set leftGatewayNodeY 200 set leftGatewayNodeZ 0 set rightGatewayNodeX 400 set rightGatewayNodeY 200 set rightGatewayNodeZ 0 set trafficSenderNodeX 50 set trafficSenderNodeY 350 set trafficSenderNodeZ 0 set trafficReceiverNodeX 550 set trafficReceiverNodeY 50 set trafficReceiverNodeZ 0 # CREATE SIMULATOR OBJECT set ns [new Simulator] # CREATE FILES (NAM, TRACE, RESULT) set namfile [open out.nam w] set trfile [open out.tr w] set resultFile [open $resultFileName w] # --- SETUP WIRESLESS ENVIROMENT --- # # CREATE NEW TOPOLOGRAPH OBJECT set topography [new Topography] $ns trace-all $trfile $ns namtrace-all-wireless $namfile $topoDimX $topoDimY $topography load_flatgrid $topoDimX $topoDimY # CREATE GOD set god_ [create-god $nodeNumber] # GLOBAL NODE SETTINGS $ns node-config -adhocRouting DSR \ -llType LL \ -macType Mac/802_11 \ -ifqType Queue/DropTail/PriQueue \ -ifqLen 50 \ -antType Antenna/OmniAntenna \ -propType Propagation/TwoRayGround \ -phyType Phy/WirelessPhy \ -channel [new Channel/WirelessChannel] \ -topoInstance $topography \ -agentTrace ON \ -routerTrace OFF \ -macTrace ON # CREATE WIRELESS NODES set pingSenderNode [$ns node] set pingReceiverNode [$ns node] set leftGatewayNode [$ns node] set rightGatewayNode [$ns node] set trafficSenderNode [$ns node] set trafficReceiverNode [$ns node] # PING SENDER NODE $pingSenderNode set X_ $pingSenderNodeX $pingSenderNode set Y_ $pingSenderNodeX $pingSenderNode set Z_ $pingSenderNodeX # PING RECEIVER NODE $pingReceiverNode set X_ $pingReceiverNodeX $pingReceiverNode set Y_ $pingReceiverNodeY $pingReceiverNode set Z_ $pingReceiverNodeZ # LEFT GATEWAY NODE $leftGatewayNode set X_ $leftGatewayNodeX $leftGatewayNode set Y_ $leftGatewayNodeY $leftGatewayNode set Z_ $leftGatewayNodeZ # RIGHT GATEWAY NODE $rightGatewayNode set X_ $rightGatewayNodeX $rightGatewayNode set Y_ $rightGatewayNodeY $rightGatewayNode set Z_ $rightGatewayNodeZ # TRAFFIC SENDER NODE $trafficSenderNode set X_ $trafficSenderNodeX $trafficSenderNode set Y_ $trafficSenderNodeY $trafficSenderNode set Z_ $trafficSenderNodeZ # TRAFFIC RECEIVER NODE $trafficReceiverNode set X_ $trafficReceiverNodeX $trafficReceiverNode set Y_ $trafficReceiverNodeY $trafficReceiverNode set Z_ $trafficReceiverNodeZ #Define a 'recv' function for the class 'Agent/Ping' Agent/Ping instproc recv {from rtime stime} { $self instvar node_ global resultFile puts $resultFile "$rtime $stime" #puts "node [$node_ id] received ping answer from \ # $from with round-trip-time $rtime $stime ms." } # --- CREATE AGENTS --- # # CREATE PING AGENT set pingAgent [new Agent/Ping] $ns attach-agent $pingSenderNode $pingAgent # CREATE ECHO AGENT set echoAgent [new Agent/Ping] $ns attach-agent $pingReceiverNode $echoAgent # CREATE CROSS TRAFFIC SENDER AGENT set trafficSenderAgent [new Agent/UDP] $ns attach-agent $trafficSenderNode $trafficSenderAgent # CREATE CROSS TRAFFIC RECEIVER AGENT set trafficReceiverAgent [new Agent/Null] $ns attach-agent $trafficReceiverNode $trafficReceiverAgent $trafficSenderAgent set packetSize_ $trafficPacketSize # --- CREATE TRAFFIC SOURCES AND ADD THEM TO THE AGENT --- # set trafficSource [new Application/Traffic/CBR] $trafficSource attach-agent $trafficSenderAgent #$trafficSource set interval_ $trafficSourceInterval $trafficSource set rate_ $trafficRate $pingAgent set packetSize_ $packetSize $echoAgent set packetSize_ $packetSize # CONNECT AGENTS $ns connect $pingAgent $echoAgent $ns connect $trafficSenderAgent $trafficReceiverAgent # --- PROC DEFINITIONS --- # proc finish {} { global ns namfile trfile resultFile $ns flush-trace close $namfile close $trfile close $resultFile puts "finish proc" #exec nam out.nam & exit 0 } proc sendPacketTrain { senderAgent startSendTime initialGapTime trainLength } { global ns for { set counter 0 } { $counter < $trainLength } { incr counter } { #set $startSendTime [expr $startSendTime + $initialGapTime] #$ns at $startSendTime "$senderNode send" #set $initialGapTime [expr $initialGapTime * $counter] puts "sentPacketTrain proc $counter" $ns at [expr $startSendTime + [expr $initialGapTime * $counter] ] "$senderAgent send" } } # RUN THE SIMULATION $ns at 0.100000 "$trafficSource start" $ns at 9.900000 "$trafficSource stop" #$ns at [expr $simulationTime -1] "$trafficSource stop" for { set counter 0 } { $counter < $trainNumber } { incr counter} { sendPacketTrain $pingAgent $startSendTime $initialGapTime/1000.00 $trainLength set startSendTime [expr $startSendTime + 0.5] } $ns at $simulationTime "finish" $ns run ############################################################################ # ns.exe.stackdump ############################################################################ Exception: STATUS_ACCESS_VIOLATION at eip=00637B5B eax=000009D8 ebx=007306E0 ecx=77E731F7 edx=00000032 esi=0022E340 edi=0022E3A0 ebp=0022DCC8 esp=0022DCC0 program=c:\cygwin\home\TFN\ns-allinone-2.26\ns-2.26\ns.exe cs=001B ds=0023 es=0023 fs=0038 gs=0000 ss=0023 Stack trace: Frame Function Args 0022DCC8 00637B5B (00000032, 000009D8, 0022DD08, 004B0463) 0022DCD8 0062C5F2 (00000032, 0AC68E58, 0AC68E38, 0AC68480) 0022DD08 004B0463 (0A6DF7C0, 00000001, 00000001, 3078DC46) 0022DF38 004CC522 (0A558640, 0AC36460, 004CCB0D, 00000001) 0022E078 004CBD8D (0A558640, 0AC36460, 004CCB0D, 0062C5F2) 0022E098 004CCB72 (0AC36460, 0A558640, 00499140, 61078220) 0022E0B8 00499238 (0A6DEFE0, 00000200, 0022E0D8, 00497BB5) 0022E0C8 00497C1E (0A6DEFE0, 3EF6EF9D, 0022E0E8, 004B2A00) 0022E0D8 00497BB5 (0A6DEFE0, 0000002B, 0022E118, 004066B9) 0022E0E8 004B2A00 (0A6DF168, 0A6DF178, 00000000, 00000209) 0022E118 004066B9 (0A0B1958, 0A6DF178, 3078DC46, 4002CB7D) 0022E138 004065D2 (0A0B1958, 00406737, 00000000, 00000000) 0022E1A8 0040687A (0A0B1958, 00000002, 0022E34C, 00000003) 0022E1C8 0056CC80 (0A0B1958, 0A0418C8, 00000005, 0022E340) 0022E378 005708D0 (0A0AFF28, 0A0418C8, 00000003, 0022E3A0) 0022E408 0057D5D6 (0A0ACE68, 0A0418C8, 00000003, 0A043B7C) End of stack trace (more stack frames may be present) -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.405 / Virus Database: 268.11.6/428 - Release Date: 8/25/2006
