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wlan-lanforge-scripts/lf_endp_script.pl
Ben Greear 72712ff548 Add scripts from the tools directory in the private Candela repo. 
These scripts will now be publicly available in a git repo for
easier shared development and change tracking.
2017-10-06 13:41:50 -07:00

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8.0 KiB
Perl
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#!/usr/bin/perl -w
# This program is used to create a hunt-script
# used for matrix load emulation on LANforge
# (C) Candela Technologies 2015
use strict;
use warnings;
#use Carp;
#$SIG{ __DIE__ } = sub { Carp::confess( @_ ) };
# Un-buffer output
$| = 1;
use lib '/home/lanforge/scripts';
use LANforge::Endpoint;
use LANforge::Port;
use LANforge::Utils;
use Net::Telnet ();
use Getopt::Long;
use constant NA => "NA";
use constant NL => "\n";
use constant shelf_num => 1;
# Default values for ye ole cmd-line args.
our $resource = 1;
our $quiet = "yes";
our $endp_name = "";
our $action = "";
our $lfmgr_host = "localhost";
our $lfmgr_port = 4001;
our $script_name = undef;
our $script_type = "";
our $flags = "";
our $loops = 0;
our $private = "";
our $group_action = "ALL";
our $log_cli = "unset"; # use ENV{LOG_CLI} elsewhere
########################################################################
# Nothing to configure below here, most likely.
########################################################################
=pod
Below is an example of a set_script for script name bunny
set_script hunt-sta-A bunny 4096 ScriptHunt '60000 1000 50000,100000,500000,20,56000,30000,1,100000, 60,128,256,512,1024,1280,1460,1472,1514 60,128,256,512,1024,1280,1460,1472,1514 100,300,400,600,800,955 NONE' ALL 0
which should follow this syntax:
endp: hunt-sta-A
name: bunny
flags: 4096
type: ScriptHunt
private: '60000 1000 50000,100000,500000,20,56000,30000,1,100000, 60,128,256,512,1024,1280,1460,1472,1514 60,128,256,512,1024,1280,1460,1472,1514 100,300,400,600,800,955 NONE'
group_action: ALL
loop_count: 0
The private syntax is very opaque
ScriptHunt syntax is: run_duration pause_duration constraints payload_sizes_a payload_sizes_b attenuations attenuator
run_duration 60000
pause_duration 1000
constraints 50000,100000,500000,20,56000,30000,1,100000,
payload_sizes_a 60,128,256,512,1024,1280,1460,1472,1514 60,128,256,512,1024,1280,1460,1472,1514 100,300,400,600,800,955
payload_sizes_b NONE
attenuations ?
attenuator ?
=cut
our $usage = qq<$0 ...
[--action { set_script|start_cx|quiece_cx|stop_cx|show_report|del_script } ]
set_script: configure a cx with script parameters set in script_type, script_flags
show_port: show script report for cx
del_script: remove script from cx
start_cx: start traffic on a connection (thus starting script)
quiece_cx: stop transmitting traffic and wait a period before stopping connection recieve
stop_cx: stop transmit and recieve immediately
# --action start_cx --cx_name bunbun
[--mgr {host-name | IP}]
[--mgr_port {ip port}]
[--resource {number}]
[--quiet { yes | no }]
[--endp_name {endpoint name}]
[--cx_name {endpoint name}]
[--script_type {2544|Hunt|WanLink|Atten} ]
2544 - RFC 2544 type script
Hunt - Hunt for maximum speed with constraints
WanLink - iterate thru wanlink settings
Atten - use with attenuators
[--flags - see LF CLI User Guide script flags for set_port]
[--script_name - script name]
[--loops - how many time to loop before stopping; (0 is infinite)]
[--private - the nested script-type parameters in a single string]
[--log_cli {1|filename}]
Please refer to LANforge CLI Users Guide: http://www.candelatech.com/lfcli_ug.php#set_script
Examples:
# add a script to an endpoint
$0 --action set_script --script_type Hunt \\
--script_name bunny --endp_name cx3eth0 -loops 1 --flags 4096 \\
--private '60000 1000 50000,100000,500000,20,56000,30000,1,100000, 60,128,256,512,1024,1280,1460,1472,1514 60,128,256,512,1024,1280,1460,1472,1514 100,300,400,600,800,955 NONE'
# start the cx to start the script:
$0 --action start_cx --cx_name hunt-sta
# quiesce the cx
$0 --action quiece_cx --cx_name hunt-sta
# show the report
$0 --action show_report --endp_name hunt-sta-A
# stop the cx
$0 --action stop_cx --cx_name hunt-sta
# remove endpoint script
$0 --action del_script --endp_name hunt-sta-A
>;
my $i = 0;
my $cmd;
die($::usage) if (@ARGV < 2);
GetOptions
(
'action|a=s' => \$::action,
'mgr|m=s' => \$::lfmgr_host,
'mgr_port|p=i' => \$::lfmgr_port,
'resource|r=i' => \$::resource,
'quiet|q=s' => \$::quiet,
'endp_name|e=s' => \$::endp_name,
'cx_name|c=s' => \$::cx_name,
'script_type|t=s' => \$::script_type,
'flags|f=i' => \$::flags,
'script_name|n=s' => \$::script_name,
'loops|l=i' => \$::loops,
'private|b=s' => \$::private,
'log_cli=s{0,1}'=> \$log_cli,
) || die("$::usage");
die("please specify action\n$usage")
if (!defined $::action || $::action eq "");
if ($::action eq "set_script"
|| $::action eq "show_report"
|| $::action eq "del_script") {
die("please specify endpoint name\n$usage")
if (!defined $::endp_name || $::endp_name eq "");
}
if ($::action eq "set_script"
|| $::action eq "del_script") {
die("please specify script name\n$usage")
if (!defined $::script_name || $::script_name eq "");
}
if (defined $log_cli) {
if ($log_cli ne "unset") {
# here is how we reset the variable if it was used as a flag
if ($log_cli eq "") {
$ENV{'LOG_CLI'} = 1;
}
else {
$ENV{'LOG_CLI'} = $log_cli;
}
}
}
# Open connection to the LANforge server.
our $t = new Net::Telnet(Prompt => '/default\@btbits\>\>/',
Timeout => 20);
$t->open(Host => $lfmgr_host,
Port => $lfmgr_port,
Timeout => 10);
$t->waitfor("/btbits\>\>/");
# Configure our utils.
our $utils = new LANforge::Utils();
$utils->telnet($t); # Set our telnet object.
if ($::quiet eq "yes") {
$utils->cli_send_silent(1); # Do show input to CLI
$utils->cli_rcv_silent(1); # Repress output from CLI ??
}
else {
$utils->cli_send_silent(0); # Do show input to CLI
$utils->cli_rcv_silent(0); # Repress output from CLI ??
}
$::utils->log_cli("# $0 ".`date "+%Y-%m-%d %H:%M:%S"`);
our %script_types = (
"2544" => "Script2544",
"Atten" => "ScriptAtten",
"Hunt" => "ScriptHunt",
"Script2544" => "Script2544",
"ScriptAtten" => "ScriptAtten",
"ScriptHunt" => "ScriptHunt",
"ScriptWanLink"=> "ScriptWL",
"ScriptWL" => "ScriptWL",
"WanLink" => "ScriptWL",
);
if ($::action eq "start_cx"
|| $::action eq "stop_cx"
|| $::action eq "quiece_cx") {
die("Please state cx_name")
if ( !defined $::cx_name || $::cx_name eq "" );
}
if ($::action eq "set_script") {
my $scr_type = $::script_types{ $::script_type };
die("Unknown script type [$::script_type]")
if ( !defined $::script_type
|| !defined $scr_type
|| $::script_type eq ""
|| $scr_type eq "" );
die("Cannot use blank action.")
if (! defined $::private || $::private eq "");
$cmd = $::utils->fmt_cmd("set_script", $::endp_name, "$::script_name", $::flags, $scr_type, "$::private", $::group_action, $::loops);
$::utils->doAsyncCmd($cmd);
}
elsif ($::action eq "show_report") {
$cmd = $::utils->fmt_cmd("show_script_results", $::endp_name);
$::utils->doAsyncCmd($cmd);
}
elsif ($::action eq "del_script") {
$cmd = $::utils->fmt_cmd("set_script", $::endp_name, "$::script_name", "0", "NA", "NONE");
$::utils->doAsyncCmd($cmd);
}
elsif ($::action eq "start_cx") {
$cmd = $::utils->fmt_cmd("set_cx_state", "ALL", $::cx_name, "RUNNING");
$::utils->doAsyncCmd($cmd);
}
elsif ($::action eq "quiece_cx") {
$cmd = $::utils->fmt_cmd("set_cx_state", "ALL", $::cx_name, "QUIESCE");
$::utils->doAsyncCmd($cmd);
}
elsif ($::action eq "stop_cx") {
$cmd = $::utils->fmt_cmd("set_cx_state", "ALL", $::cx_name, "STOPPED");
$::utils->doAsyncCmd($cmd);
}
else {
die( "Unknown action.\n$usage");
}
#eof
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