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lf_max_cxs_v1_3000.pl
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lf_max_cxs_v1_3000.pl
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#!/usr/bin/perl
# This program is used to test the max TCP connections allowed through a firewall,
# and may be used as an example for others who wish to automate LANforge tests.
# This script sets up 1 UDP connection and as many TCP connections as specified
# by $num_macvlans. Each connection is started and verified that it is passing
# traffic before starting the next connection. As each TCP connection is started
# the UDP connection is checked for any dropped packets. As soon as dropped packets
# are detected on the UDP connection, the number of TCP connections is recorded
# and the entire test is repeated for $loop_max times. An average number of TCP
# connections is calculated and reported at the conclusion of all the test runs.
# Un-buffer output
$| = 1;
use strict;
use Switch;
use Net::Telnet ();
use Time::HiRes qw (usleep);
use LANforge::Port;
use LANforge::Utils;
use LANforge::Endpoint;
my $init_stop_all = 1; # Stop all tests before running script test.
my $script_speed = 25; # Increase to issue commands faster.
my $quiet_cli_cmds = 1; # Quiesce CLI response output to commands sent.
my $quiet_cli_output = 1; # Quiesce unsolicited CLI output.
my $cli_cmd_delay = 0; # Increase to slow command rate sent to cli.
my $report_timer = 9000; # Set report timer for all tests created in ms, i.e. 8 seconds
my $INIT = 1; # If true, removes all previous tests and ports!!!
my $create_only = 0; # If true, only create tests, i.e. do not automatically run them.
my $mac_init = 0; # Set to 1 to start MAC address from zero when running looped test.
my $ip_init = 0; # Set to 1 to start IP addresses from zero when running looped test.
my $init_once = 1; # Set to 1 to only initialize test creation once.
my $init_net = 1; # Set to 0 to disable reconfiguring MAC and IP addresses.
my $init_tests = 1; # Set to 0 to disable reconfiguring tests.
my $first_run = 1; # Set to 0 to disable initial configurations.
my $name_id = 0; # First index of name of endpoints and CXs.
my $name_id_len = 0; # Override for length of $name_id.
my $loop_max = 3;
my $start_stop_loops = 2;
my $run_for_time = 120; # Run for XX seconds..then will be stopped again.
my $stop_for_time = 5; # Run for XX seconds..then will be stopped again.
my $keep_running = 1; # If ture, will keep last test loop running.
my $ignore_phys_ports = 1; # If true, just muck with MACVLANs.
my $one_cx_per_port = 0; # If zero, will have one of EACH of the cx types on each port.
my $cx_types_from_file = 0; # If true, will rotate through the @cx_types_files
# when creating tests instead of using @cx_types array.
my @cx_types = (
#"lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp",
"lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp",
"lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp",
"lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp","lf_tcp");
my $test_mgr = "max_cxs_tm";
my $lfmgr_host = "localhost";
my $lfmgr_port = 4001;
my $shelf = 1;
# This sets up connections.
my $lf1 = 1; # Minor Resource EID of first LANforge resource.
my $lf2 = ""; # Set to "" if we have no second machine. Or set to second Resource
# minor EID to create mac-vlans on it.
# Port pairs. These are the ports that should be talking to each other.
# i.e. the third column in lf1_ports talks to the third column in lf2_ports.
# EIDs or aliases can be used.
# Port pairs must match on each shelf - will enhance to allow any pair on each shelf.
#my @lf1_ports = (1); #, 2, 3);
#my @lf2_ports = (2); #, 2, 3);
my @lf1_ports = ( "eth0", "eth1");
my @lf2_ports = ("");
my @ip_base = ( "192.168", "172.1");
my @ip_c = ( 2 , 1 );
my @ip_lsb = ( 2 , 2 );
my @msk = ("255.255.255.0","255.255.255.0");
my @ip_gw = ( "192.168.2.1", "172.1.1.1");
my $mac1 = 0x00; # Starting MAC address 00:m5:m4:m3:m2:m1 where:
my $mac2 = 0x00; # m5 is shelf EID, m4 is card EID, m3 is $mac3,
my $mac3 = 0x00; # m2 is $mac2 and m1 is $mac1.
my $start_mvlan = 0;
my $num_mvlans = 30;
my $num_cxs = 0;
my @min_rate = (19200);# bps
my @max_rate = (19200);# bps
my @min_pkt_szs = (948); # bytes
my @max_pkt_szs = (948); # bytes
##########################
# lf_max_cxs.pl specific #
##########################
my $max_delay = 100; # Maximum endpoint delay threshold in milliseconds.
my $percent_ep_delay = 3.0;# Percentage of endpoints allowed to exceed the
# $max_delay. Exceeding percentage will cause curren
# test loop to exit.
my $settle_time = 1; # Number of seconds to allow an endpoint to receive data
my $ep_rx_strikes = 3; # Number of strikes before declaring it failed.
my $sample_time_dly = 500; # Milliseconds between endpoint delay samples.
my $samples = 3;
my $use_udp_probe = 1;
my $use_udp_loss = 1;
my $end_udp_drop = 0;
#my $percentile = 97;
#my $filename = "delay_data.txt";
################
# Layer-4 only #
################
my $url_dl = 1; # If true, test will download from URL. False will upload to URL.
#my $l4_dl_path = "/tmp"; # Path to save downloaded file.
#my $l4_dl_path = "NUL"; # Windows equivalent of *nix /dev/null.
my $l4_dl_path = "/dev/null"; # Improve performance by saving downloaded file to /dev/null.
my @l4_urls = (
"http://192.168.100.3/index.html", "ftp://192.168.100.3/file", "http://192.168.100.3/index.html", "ftp://192.168.100.3/file"
,"http://192.168.100.3/index.html", "ftp://192.168.100.3/file", "http://192.168.100.3/index.html", "ftp://192.168.100.3/file"
,"http://192.168.100.3/index.html", "ftp://192.168.100.3/file", "http://192.168.100.3/index.html", "ftp://192.168.100.3/file"
,"http://192.168.100.3/index.html", "ftp://192.168.100.3/file", "http://192.168.100.3/index.html", "ftp://192.168.100.3/file"
,"http://192.168.100.3/index.html", "ftp://192.168.100.3/file", "http://192.168.100.3/index.html", "ftp://192.168.100.3/file"
);
#my @l4_urls = ("ftp://192.168.100.3/file");
my $urls_10m = 100; # How many URLs to process every 10 minutes.
my $l4_timeout = 10000; # How long to wait for a connection, in milliseconds.
###########
# File-IO #
###########
my $fio_base = "/mnt/fio_base";
my $fio_targ_dir = "";
my $fsrw = "write";
#########
# Debug #
#########
my $DEBUG = 0;
my $D_PAUSE = 3;
########################################################################
# Nothing to configure below here, most likely.
########################################################################
my $script_name = $0;
$sample_time_dly = $sample_time_dly * 1000;
# Parse cmd-line args
my $i;
my $j;
for ($i = 0; $i<@ARGV; $i++) {
my $var = $ARGV[$i];
if ($var =~ m/(\S+)=(.*)/) {
my $arg = $1;
my $val = $2;
handleCmdLineArg($arg, $val);
}
else {
handleCmdLineArg($var);
}
}
my $ss_wait
= 0.003 * $report_timer; # Increase delay (seconds) if experiencing problems on slow systems.
if ($lfmgr_host eq undef) {
print "\nYou must define a LANforge Manager!!!\n\n"
. "For example:\n"
. "./$script_name mgr=localhost\n"
. "OR\n"
. "./$script_name mgr=192.168.1.101\n\n";
printHelp();
exit (1);
}
my $foundL4 = 0;
for ($i = 0; $i<@cx_types; $i++) {
if ($cx_types[$i] eq "l4") {
$foundL4 = 1;
last;
}
}
if ($lf2 == "" && @lf1_ports < 2 && !$foundL4) {
die ("Must have more than one port with only one resource.");
}
#if (!$numvlan && !$num_cxs) {
# die ("Must have either number of MACVLANs (num_mvl) or cross-connects (num_cxs) > 0.");
#}
print
"\nStarting script with the following arguments:"
. "\ninit: $INIT"
. "\nmanager: $lfmgr_host\n"
. "\nlf1: $lf1\nlf2: $lf2\n"
. "\nlf1_ports: " . join(" ", @lf1_ports)
. "\nlf2_ports: " . join(" ", @lf2_ports) . "\n"
. "\nstart_macvlans: $start_mvlan"
. "\nnum_mvlans: $num_mvlans\n"
. "\nmin_rates: " . join(" ", @min_rate)
. "\nmax_rates: " . join(" ", @max_rate)
. "\nmin_pkt_sizes: " . join(" ", @min_pkt_szs)
. "\nmax_pkt_sizes: " . join(" ", @max_pkt_szs) . "\n"
. "\ncx_types: " . join(" ", @cx_types)
. "\none_cx_per_port: $one_cx_per_port\n\n";
if ($DEBUG) { sleep ($D_PAUSE); }
# Determine total port and endpoint counts and make sorting by name easier in the GUI :P
my @num = (); # Formatted index number for name sorting in GUI.
my $t_num = 0;
my $t_ports = 0;
my $ni=0;
my $nj=0;
my $lf2orig = $lf2;
if ($lf2 == "") {
$lf2 = $lf1;
if ($foundL4) {
@lf2_ports = undef;
}
else {
# put every other port into @lf2_ports to fake out lf2 info which makes the
# script work later.
my @lf1_ports_tmp = @lf1_ports;
@lf1_ports = undef;
@lf2_ports = undef;
$i=0;
for ($ni=0; $ni<@lf1_ports_tmp; $ni++) {
$lf1_ports[$i] = $lf1_ports_tmp[$ni];
$lf2_ports[$i] = $lf1_ports_tmp[++$ni];
$i++;
}
}
}
# Check that ip_base address pairs aren't the same.
for ($ni = 0; $ni<@ip_base; $ni++) {
if ($ip_base[$ni] == $ip_base[$ni+1]) {
die ("ERROR: Base IP addresses cannot be the same.");
}
$ni++;
}
my @cxts = ("lf", "lf_udp", "lf_tcp", "custom_udp", "custom_tcp", "l4",
"fileIONFS", "fileIOCIFS");
my @t_cxts = ();
for ($ni=0; $ni<@cxts; $ni++) {
@t_cxts[$ni] = 0;
}
if ($lf2orig ne "") {
if ($ignore_phys_ports) {
$t_ports = $num_mvlans;
}
else {
$t_ports = @lf1_ports + @lf2_ports + ($num_mvlans);
}
}
elsif ($num_mvlans) {
if ($ignore_phys_ports) {
$t_ports = $num_mvlans;
}
else {
$t_ports = @lf1_ports + ($num_mvlans);
}
}
else {
$t_ports = @lf1_ports + @lf2_ports;
}
my $t_cxtypes = @cx_types;
my $t_urls = @l4_urls;
if (@min_rate != @max_rate ) {
die("Number of elements in min_rate does not match number of elements in max_rate.");
}
else {
my $t_rate = @min_rate + @max_rate;
}
if (@min_pkt_szs != @max_pkt_szs ) {
die("Number of elements in min_pkt_szs does not match number of elements in max_pkt_szs.");
}
else {
my $t_pkt_szs = @min_pkt_szs + @max_pkt_szs;
}
for ($ni=0; $ni<@cx_types; $ni++) {
for ($nj=0; $nj<@cxts; $nj++) {
if ( $cx_types[$ni] eq $cxts[$nj] ) {
$t_cxts[$nj]++;
}
}
}
for ($nj=0; $nj<@cxts; $nj++) {
if ( $cxts[$nj] eq "l4") {
$t_num += ($t_ports * (2 * ($t_cxts[$nj] * $t_urls)));
}
else {
$t_num += ($t_ports * (2 * $t_cxts[$nj]));
}
}
$t_num += $name_id;
my $num_len;
if ($name_id_len) {
if (length($name_id) > $name_id_len || length($t_num) > $name_id_len) {
print "\nWARNING: id_len specifies a string length less that first_name_id or less that total number of endpoints\n";
}
$num_len = $name_id_len;
}
else {
$num_len = length ($t_num);
}
$t_num -= $name_id;
$i = 0;
switch ($num_len) {
case 1 {
for ($i ; $i<$t_num; $i++) {
$num[$i] = sprintf("%01d", $name_id + $i);
}
}
case 2 {
for ($i ; $i<$t_num; $i++) {
$num[$i] = sprintf("%02d", $name_id + $i);
}
}
case 3 {
for ($i ; $i<$t_num; $i++) {
$num[$i] = sprintf("%03d", $name_id + $i);
}
}
case 4 {
for ($i ; $i<$t_num; $i++) {
$num[$i] = sprintf("%04d", $name_id + $i);
}
}
case 5 {
for ($i ; $i<$t_num; $i++) {
$num[$i] = sprintf("%05d", $name_id + $i);
}
}
case 6 {
for ($i ; $i<$t_num; $i++) {
$num[$i] = sprintf("%06d", $name_id + $i);
}
}
else {
for ($i ; $i<$t_num; $i++) {
$num[$i] = $name_id + $i;
}
}
}
if ($DEBUG > 99) {
$i = 0;
print "name_id: $name_id, t_num: $t_num, num_len: $num_len :-\n";
for ($i ; $i<$t_num; $i++) {
print $num[$i] . " ";
}
print "\n";
sleep ($D_PAUSE);
}
if ($DEBUG) { printArgs(); sleep ($D_PAUSE); }
# Open connection to the LANforge server.
my $t = new Net::Telnet(Timeout => 15,
Prompt => '/default\@btbits\>\>/');
$t->open(Host => $lfmgr_host,
Port => $lfmgr_port,
Timeout => 60);
$t->waitfor("/btbits\>\>/");
$t->max_buffer_length(1024 * 1024 * 10); # 10M buffer
# Configure our utils.
my $utils = new LANforge::Utils();
$utils->telnet($t); # Set our telnet object.
$utils->cli_send_silent($quiet_cli_cmds); # Do not show input to CLI
$utils->cli_rcv_silent($quiet_cli_output); # Repress output from CLI ??
my $dt = getDate();
my $dt_start = $dt;
my $cmd;
my @t_cx_run_loop = ();
my @endpoint_names = (); #will be added to as they are created
my @cx_names = ();
my @ep_delay = ();
my $cx_run = 0;
my $avg_cx_run = 0;
my $t_cx_run = 0;
my $t_prcnt_ep_dly = 0;
my $avg_prcnt_ep_dly = 0;
my $eia = 0;
my $eib = 0;
my $ci = 0;
my $ep_dly_cnt = 0;
my $t_ep_dly_cnt = 0;
my $avg_ep_dly_cnt = 0;
my $prcnt_ep_dly = 0;
my $epa_rx = 0;
my $epb_rx = 0;
my $ep_delay = 0.0;
#my $epa_delay = 0;
#my $epb_delay = 0;
my $epa_drop = 0;
my $epb_drop = 0;
my $t_ep_run = 0;
my $prcnt_ep_dlyd = 0;
if ($init_stop_all) { doCmd("set_cx_state ALL ALL STOPPED"); }
$SIG{'INT'} = 'CLEANUP';
my $loop = 0;
for ($loop = 0; $loop<$loop_max; $loop++) {
$dt = getDate();
print "\n\n***** Starting $script_name at: $dt. Test Loop: ". ($loop+1) . " *****\n\n";
if (!$init_once) {
if ($INIT) { initToDefaults(); }
if ($init_net) {
addMacVlans(); # Add MACVLANs.
initIpAddresses(); # Add some IP addresses to the ports.
}
if ($init_tests) {
doCmd("rm_cx $test_mgr all");
doCmd("rm_endp YES_ALL");
doCmd("rm_test_mgr $test_mgr");
doCmd("add_tm $test_mgr");
doCmd("tm_register $test_mgr default"); # Add default user
doCmd("tm_register $test_mgr default_gui"); # Add default GUI user
addCrossConnects(); # Add our endpoints.
print "Done adding CXs.\n";
}
}
elsif ($first_run) {
if ($INIT) { initToDefaults(); }
if ($init_net) {
addMacVlans();
initIpAddresses();
}
if ($first_run && $init_tests) {
doCmd("rm_cx $test_mgr all");
doCmd("rm_endp YES_ALL");
doCmd("rm_test_mgr $test_mgr");
doCmd("add_tm $test_mgr");
doCmd("tm_register $test_mgr default"); # Add default user
doCmd("tm_register $test_mgr default_gui"); # Add default GUI user
addCrossConnects(); # Add our endpoints.
print "Done adding CXs.\n";
}
$first_run = 0;
}
if ($DEBUG) { printArgs(); }
$dt = getDate();
print "\n\n*** Started $script_name script at : $dt_start ***\n"
. "*** Finished $script_name configuration at: $dt ***\n\n";
sleep($D_PAUSE);
if ($create_only == 1) { exit(0); }
print "Wait $ss_wait seconds for ports to update.\n";
sleep($ss_wait);
#######################
# START lf_max_cxs.pl #
#######################
# Start Cross-Connects
my $endp = new LANforge::Endpoint();
for ($ci=0; $ci<@cx_names; $ci++) {
$cmd = "set_cx_state $test_mgr " . $cx_names[$ci] . " RUNNING";
doCmd($cmd);
$eia = 2 * $ci;
$eib = $eia + 1;
$ep_delay[$eia] = $ep_delay[$eib] = 0.0;
# check that the CX is passing packets
$utils->updateEndpoint($endp, $endpoint_names[$eia]);
$epa_rx = $endp->rx_pkts();
$utils->updateEndpoint($endp, $endpoint_names[$eib]);
$epb_rx = $endp->rx_pkts();
my $slp = 0;
$ep_delay = 0.0;
# $epa_delay = $epb_delay = 0;
while ($epa_rx == 0 || $epb_rx == 0) {
sleep($settle_time); # sleep to allow CX to connect
$slp++;
$utils->updateEndpoint($endp, $endpoint_names[$eia]);
$epa_rx = $endp->rx_pkts();
$utils->updateEndpoint($endp, $endpoint_names[$eib]);
$epb_rx = $endp->rx_pkts();
if ($slp > $ep_rx_strikes) {
# too long
print "WARNING: Waited too long on endpoint $ci to receive packet\n";
if ($epa_rx == 0) {
$ep_delay[$eia] = 999999;
}
if ($epb_rx == 0) {
$ep_delay[$eib] = 999999;
}
last; # for $ci
}
} # while
$cx_run++;
if ($DEBUG > 99) {
print "\n[DEBUG] cx_run: $cx_run\n";
}
print "Test Loop: " . ($loop+1) . "\n Processing data for " . ($eib+1) . " endpoints";
$ep_dly_cnt = 0;
for ($i=0; $i<=$eib; $i++) {
print ".";
# MIGHT MOVE UDP CHECK into loop so that tcp delay and udp loss or delay can be used.
# if UDP check CX for dropped packets
if ($use_udp_probe) {
if ($use_udp_loss) {
$utils->updateEndpoint($endp, $endpoint_names[0]);
$epa_drop = $endp->rx_dropped_pkts();
$utils->updateEndpoint($endp, $endpoint_names[1]);
$epb_drop = $endp->rx_dropped_pkts();
if (($epa_drop || $epb_drop) && $i == 0) { # If there are ANY dropped packets on UDP CX.
print "DROP ON PROBE ENDPOINT DETECTED";
if ($end_udp_drop) {
print "\nSTOP FURTHER PROCESSING !!!\n";
# Probably should refine this to have a drop threshold.
# $t_cx_run += $cx_run; # Average calculated later.
# $t_ep_run = $t_cx_run * 2; # Probably need more or different results now.
# Might add processing for all UDP CXs....
#save ep delays
last; # not sure but NOT for $i - need the next one to break out of for $i
}
}
#elsif ($ci > 0) {
# # Successfully added TCP CX, count it
# $cx_run++;
#}
}
# if UDP delay? Nothing special about delay wrt UDP - just loss is special
}
if ($end_udp_drop && ($epa_drop || $epb_drop)) {
last; # for $i
}
if ($endpoint_names[$eia] eq $endpoint_names[$i] || $endpoint_names[$eib] eq $endpoint_names[$i] ) {
for ($j=0; $j<$samples; $j++) {
$utils->updateEndpoint($endp, $endpoint_names[$i]);
$ep_delay += $endp->avg_latency();
# $epa_delay += $endp->avg_latency();
# $utils->updateEndpoint($endp, $endpoint_names[($i+1)]);
# $epb_delay += $endp->avg_latency();
if ($DEBUG > 1) {
print "\n[DEBUG] Sample#" . ($j+1) . ": ". $endpoint_names[$i] . " - ep_delay +=: $ep_delay ms\n"
# print "\n[DEBUG] Sample#" . ($j+1) . ": ". $endpoint_names[$i] . " - epa_delay: $epa_delay\n"
# . "[DEBUG] Sample#" . ($j+1) . ": ". $endpoint_names[($i+1)] . " - epb_delay: $epb_delay\n";
}
usleep ($sample_time_dly);
}
$ep_delay[$i] = $ep_delay / $samples;
} else {
$utils->updateEndpoint($endp, $endpoint_names[$i]);
$ep_delay = $endp->avg_latency();
$ep_delay[$i] = $ep_delay;
if ($DEBUG > 1 ) {
print "\n[DEBUG] Single sample ". $endpoint_names[$i] . " - ep_delay: $ep_delay ms\n";
}
# $epa_delay = $endp->avg_latency();
# $utils->updateEndpoint($endp, $endpoint_names[($i+1)]);
# $epb_delay = $endp->avg_latency();
}
# $ep_delay[($i+1)] = $epb_delay / $samples;
# $epa_delay = $epb_delay = 0;
$ep_delay = 0.0;
# if ($ep_delay[$i] > $max_delay || $ep_delay[($i+1)] > $max_delay) {
if ($ep_delay[$i] > $max_delay) {
$ep_dly_cnt++;
} # if $ep_delay > $max_delay
} # for $i Processing endpoint delay data
if ($end_udp_drop && ($epa_drop || $epb_drop)) {
print "\nSTOP FURTHER PROCESSING !!!\n";
last; # for $ci
}
$prcnt_ep_dly = ($ep_dly_cnt / ($eib+1)) * 100.0;
if ($prcnt_ep_dly > $percent_ep_delay) {
$t_cx_run += $cx_run;
$t_ep_run = $t_cx_run * 2.0;
$t_ep_dly_cnt += $ep_dly_cnt;
$t_prcnt_ep_dly += $prcnt_ep_dly;
print "\n\n PERCENT DELAY EXCEEDED!!!\n";
#if ($DEBUG > 99) {
print "\n";
for ($i=0; $i<=$eib; $i++) {
print " Delay Exceeded, Endpoint: " . $endpoint_names[$i] . ", Delay: ". $ep_delay[$i] . " ms\n";
}
print "\n ep_dly_cnt: $ep_dly_cnt, prcnt_ep_dly: $prcnt_ep_dly%"
. "\n loop: $loop"
. "\n t_cx_run: $t_cx_run, t_ep_dly_cnt: $t_ep_dly_cnt, t_prcnt_ep_dly: $t_prcnt_ep_dly"
. "\n";
sleep ($D_PAUSE);
#}
#$avg_ep_dly_cnt
#do something like write out the ep delay data to file
#wonder if there is a way to use internal perl sort on the delay and still keep the endpoint
#name correctly indexed.
last; # for $ci
}
# $ep_dly_cnt = 0; might need to transfer to average ep_dly_cnt for loops.
#perhaps, do array sort on delays don't see why if were checking for a certain percentage of delayed CXs
#sort would be slooow and painful
} #for $ci
$t_cx_run_loop[$loop] = $cx_run;
$cx_run = 0;
if ($keep_running) {
if ($loop < ($loop_max - 1)) {
doCmd("set_cx_state $test_mgr ALL STOPPED");
} else {
last; # for $loop
}
} else {
doCmd("set_cx_state $test_mgr ALL STOPPED");
}
# SHOULD probably get throughput data for each pass
# need to save off each loops results.
$epa_drop = $epb_drop = 0;
doCmd("clear_cx_counters ALL");
} #for $loop_max
#save endpoints delays to file
print "\n\n*** RESULTS ****\n\n";
$loop++;
if ($t_cx_run == 0 && $use_udp_probe) {
print "$cx_run connections were made.\n";
print "No dropped packets were detected on the UDP connection.\n";
print "Try increasing the number of connections.\n";
}
#elsif ($use_udp_probe) {
# $avg_cx_run = int($t_cx_run / $loop);
# print "\n$loop test loops completed.\n"
# . "Average number of simultaneous connections: $avg_cx_run\n";
#}
elsif ($t_cx_run == 0) {
# if ($DEBUG) {
for ($i=0; $i<$loop_max; $i++) {
print "Loop " . ($i+1) . ": " . $t_cx_run_loop[$i] . " simultaneous connections.\n";
}
# }
print "$cx_run connections were made.\n"
. "Less than $percent_ep_delay% of endpoints exceeded $max_delay ms of delay.\n"
. "Actual percentage of endpoints that exceeded $max_delay ms of delay is $prcnt_ep_dly%.\n"
. "Try increasing the number of connections.\n";
}
else {
$prcnt_ep_dlyd = ($t_ep_dly_cnt / $t_ep_run) * 100.0;
$avg_cx_run = ($t_cx_run / $loop);
$avg_ep_dly_cnt = ($t_ep_dly_cnt / $loop);
$avg_prcnt_ep_dly = ($t_prcnt_ep_dly / $loop);
my $mean_ep_dly = 0;
#for ($i=0; $i<=$eib; $i++) {
#my $t_ep_dly += $_ foreach @ep_delay;
#my $avg_ep_dly = $t_ep_dly /
#}
if ($DEBUG > 1) {
print "\n";
for ($i=0; $i<=$eib; $i++) {
print "[DEBUG] Endpoint: " . $endpoint_names[$i] . " - Delay: ". $ep_delay[$i] . " ms\n";
}
}
for ($i=0; $i<$loop_max; $i++) {
print "Loop " . ($i+1) . ": " . $t_cx_run_loop[$i] . " simultaneous connections.\n";
}
print "\n"
. "$loop test loops completed.\n\n"
. "Over $percent_ep_delay% of endpoints exceeded $max_delay ms of delay.\n\n"
. "Total number of endpoints that exceeded $max_delay ms is $t_ep_dly_cnt\n"
. "Total number of endpoints run $t_ep_run\n"
. "Total percentage of delayed endpoints $prcnt_ep_dlyd%\n\n"
. "Average number of simultaneous connections per test loop is $avg_cx_run\n"
. "Average percentage of endpoints that exceeded $max_delay ms of delay per test loop is $avg_prcnt_ep_dly%\n"
. "Average number of endpoints exceeding $max_delay ms per test loop is $avg_ep_dly_cnt"
. "\n";
}
if ($DEBUG) { printArgs(); }
$dt = getDate();
print "\nStarted $script_name script at : $dt_start\n";
print "Completed $script_name script at: $dt\n\n";
exit(0);
#####################
# END lf_macvlan.pl #
#####################
sub CLEANUP {
print "\n\n*** RESULTS ****\n\n";
#save endpoints delays to file
$loop++;
if ($t_cx_run == 0 && $use_udp_probe) {
print "$cx_run connections were made.\n";
print "No dropped packets were detected on the UDP connection.\n";
print "Try increasing the number of connections.\n";
}
#elsif ($use_udp_probe) {
# $avg_cx_run = int($t_cx_run / $loop);
# print "\n$loop test loops completed.\n"
# . "Average number of simultaneous connections: $avg_cx_run\n";
#}
elsif ($t_cx_run == 0) {
# if ($DEBUG) {
for ($i=0; $i<$loop_max; $i++) {
print "Loop " . ($i+1) . ": " . $t_cx_run_loop[$i] . " simultaneous connections.\n";
}
# }
print "$cx_run connections were made.\n"
. "Less than $percent_ep_delay% of endpoints exceeded $max_delay ms of delay.\n"
. "Actual percentage of endpoints that exceeded $max_delay ms of delay is $prcnt_ep_dly%.\n"
. "Try increasing the number of connections.\n";
}
else {
$prcnt_ep_dlyd = ($t_ep_dly_cnt / $t_ep_run) * 100.0;
$avg_cx_run = ($t_cx_run / $loop);
$avg_ep_dly_cnt = ($t_ep_dly_cnt / $loop);
$avg_prcnt_ep_dly = ($t_prcnt_ep_dly / $loop);
my $mean_ep_dly = 0;
#for ($i=0; $i<=$eib; $i++) {
#my $t_ep_dly += $_ foreach @ep_delay;
#my $avg_ep_dly = $t_ep_dly /
#}
if ($DEBUG > 1) {
print "\n";
for ($i=0; $i<=$eib; $i++) {
print "[DEBUG] Endpoint: " . $endpoint_names[$i] . " - Delay: ". $ep_delay[$i] . " ms\n";
}
}
for ($i=0; $i<$loop_max; $i++) {
print "Loop " . ($i+1) . ": " . $t_cx_run_loop[$i] . " simultaneous connections.\n";
}
print "\n"
. "$loop test loops completed.\n\n"
. "Over $percent_ep_delay% of endpoints exceeded $max_delay ms of delay.\n\n"
. "Total number of endpoints that exceeded $max_delay ms is $t_ep_dly_cnt\n"
. "Total number of endpoints run $t_ep_run\n"
. "Total percentage of delayed endpoints $prcnt_ep_dlyd%\n\n"
. "Average number of simultaneous connections per test loop is $avg_cx_run\n"
. "Average percentage of endpoints that exceeded $max_delay ms of delay per test loop is $avg_prcnt_ep_dly%\n"
. "Average number of endpoints exceeding $max_delay ms per test loop is $avg_ep_dly_cnt"
. "\n";
}
if ($DEBUG) { printArgs(); }
$dt = getDate();
print "\nStarted $script_name script at : $dt_start\n";
print "Exited $script_name script at: $dt\n\n";
exit (0);
} # CLEANUP
sub addCrossConnects {
my $ep = 0;
my $cx = 0;
my $i = 0;
my $szs = 0;
my $r = 0;
my @all_ports1 = @lf1_ports;
my @all_ports2 = ("");
my $j;
my $pname;
if ($foundL4) {
my $p1 = new LANforge::Port();
my $q;
for ($q = $start_mvlan; $q<($num_mvlans + $start_mvlan); $q++) {
for ($j = 0; $j<@lf1_ports; $j++) {
$utils->updatePort($p1, $shelf, $lf1, $lf1_ports[$j]);
$pname = $p1->{dev};
@all_ports1 = (@all_ports1, "$pname\#$q");
}
}
if ($ignore_phys_ports) {
for ($j = 0; $j<@lf1_ports; $j++) {
shift(@all_ports1);
}
}
}
else {
for ($j = 0; $j<@lf1_ports; $j++) {
my $p1 = new LANforge::Port();
$utils->updatePort($p1, $shelf, $lf1, $lf1_ports[$j]);
$pname = $p1->{dev};
my $q;
for ($q = $start_mvlan; $q<($num_mvlans + $start_mvlan); $q++) {
@all_ports1 = (@all_ports1, "$pname\#$q");
}
}
@all_ports2 = @lf2_ports;
for ($j = 0; $j<@lf2_ports; $j++) {
my $p1 = new LANforge::Port();
$utils->updatePort($p1, $shelf, $lf2, $lf2_ports[$j]);
$pname = $p1->{dev};
my $q;
for ($q = $start_mvlan; $q<($num_mvlans + $start_mvlan); $q++) {
@all_ports2 = (@all_ports2, "$pname\#$q");
}
}
if ($ignore_phys_ports) {
for ($j = 0; $j<@lf1_ports; $j++) {
shift(@all_ports1);
}
for ($j = 0; $j<@lf2_ports; $j++) {
shift(@all_ports2);
}
}
}
print "\nCreating endpoints on " . @all_ports1 . " ports:\nall_ports1: " . join(" ", @all_ports1);
# if ($lf2orig ne "") {
print "\nCreating endpoints on " . @all_ports2 . " ports:\nall_ports2: " . join(" ", @all_ports2) . "\n\n";
# }
if ($DEBUG) { sleep($D_PAUSE); }
if ($one_cx_per_port) {
my $j = 0;
my $cxcnt = 0;
my $fecnt = 0;
for ($j ; $j<@all_ports1; $j++) {
my $i = $cxcnt % @cx_types;
$cxcnt++;
my $cxt = $cx_types[$i];
if ($cxt eq "l4") {
# Create layer-4 endpoint
my $ep1 = "L4-${num[$ep]}";
# $ep++;
my $ep2 = "D_L4-${num[$ep]}";
$ep++;
@endpoint_names = (@endpoint_names, $ep1, $ep2);
# Add the dummy endpoint
my $cmd = "add_l4_endp $ep2 $shelf $lf1 " . $all_ports1[$j]
. " l4_generic 0 0 0 ' ' ' '";
doCmd($cmd);
$cmd = "set_endp_flag $ep2 unmanaged 1";
doCmd($cmd);
if ($l4_dl_path = "/dev/null") {
$cmd = "add_l4_endp $ep1 $shelf $lf1 " . $all_ports1[$j]
. " l4_generic 0 $l4_timeout $urls_10m 'dl ${l4_urls[0]} $l4_dl_path' ' '";
}
else {
$cmd = "add_l4_endp $ep1 $shelf $lf1 " . $all_ports1[$j]
. " l4_generic 0 $l4_timeout $urls_10m 'dl ${l4_urls[0]} $l4_dl_path/$ep1' ' '";
}
doCmd($cmd);
# Now, add the cross-connects
my $cx_name = "L4-${num[$cx]}";
$cmd = "add_cx $cx_name $test_mgr $ep1 $ep2";
doCmd($cmd);
doCmd("set_cx_report_timer $test_mgr $cx_name $report_timer");
$cx++;
@cx_names = (@cx_names, $cx_name);
}# if L4
elsif (($cxt eq "fileIONFS") || ($cxt eq "fileIOCIFS")) {
# Create File-IO endpoint
my $FST = "nfs";
if ($cxt eq "fileIOCIFS") {
$FST = "cifs";
}
my $ep1 = "fe-${num[$fecnt]}";
my $ep2 = "D_$ep1";
$fecnt++;
$ep++;
# $ep++;
@endpoint_names = (@endpoint_names, $ep1, $ep2);
# Add the dummy endpoint
my $cmd = "add_file_endp $ep2 $shelf $lf1 " . $all_ports1[$j]
. " fe_generic $min_rate[$r] $max_rate[$r] $min_rate[$r] $max_rate[$r]"
. " increasing $fio_base/$ep2 $ep2";
doCmd($cmd);
$cmd = "set_endp_flag $ep2 unmanaged 1";
doCmd($cmd);
$cmd = "add_file_endp $ep1 $shelf $lf1 " . $all_ports1[$j]
. " fe_generic $min_rate[$r] $max_rate[$r] $min_rate[$r] $max_rate[$r]"
. " increasing \'$fio_base/$FST"
. "_$all_ports1[$j]" . $fio_targ_dir . "\' $ep1";
doCmd($cmd);
$cmd = "set_fe_info $ep1 16384 16384 10 1000000 1000000 \'$fio_base/$FST" . "_$all_ports1[$j]"
. $fio_targ_dir . "\' $ep1 $fsrw";
doCmd($cmd);
if ($r < (@min_rate - 1)) {
$r++;
}
else {
$r = 0;
}
# Now, add the cross-connects
my $cx_name = "L4-${num[$cx]}";
$cmd = "add_cx $cx_name $test_mgr $ep1 $ep2";
doCmd($cmd);
doCmd("set_cx_report_timer $test_mgr $cx_name $report_timer");
$cx++;
@cx_names = (@cx_names, $cx_name);
}# elsif FIO
else {
# Create L3 endpoint
my $burst = "NO";
if ($min_rate[$r] != $max_rate[$r]) {
$burst = "YES";
}
my $szrnd = "NO";
if ($min_pkt_szs[$szs] != $max_pkt_szs[$szs]) {
$szrnd = "YES";
}
my $pattern = "increasing";
if ($cx_types[$i] =~ /custom/) {
$pattern = "custom";
}
my $ep1 = "L3e-${num[$ep]}tx";
$ep++;
my $ep2 = "L3e-${num[$ep]}rx";
$ep++;
@endpoint_names = (@endpoint_names, $ep1, $ep2);
$cmd = "add_endp $ep1 $shelf $lf1 " . $all_ports1[$j] . " " . @cx_types[$i] .
" -1 $burst $min_rate[$r] $max_rate[$r] $szrnd " . $min_pkt_szs[$szs] . " " . $max_pkt_szs[$szs] .
" $pattern NO";
doCmd($cmd);
if ($lf2 ne "") {
# die("Must have lf2 defined if using non-l4 endpoints.");