Files
wlan-lanforge-scripts/wifi_diag/PeerConn.pm
Ben Greear 95612cbac7 wifi-diag: Better no-ack detection and some cleanup.
It now reports expected 'no-ack' frames at least in a fairly
simplistic test case.
2019-01-04 17:07:14 -08:00

182 lines
3.5 KiB
Perl

package PeerConn;
use warnings;
use strict;
use Tid;
sub new {
my $class = shift;
my %options = @_;
my $self = {
%options,
tids => [],
};
bless($self, $class);
my $mcs_fname = $self->{report_prefix} . "conn-" . $self->hash_str() . "-rpt.txt";
open(my $MCS, ">", $mcs_fname) or die("Can't open $mcs_fname for writing: $!\n");
$self->{mcs_fh} = $MCS;
return $self;
}
sub hash_str {
my $self = shift;
return $self->{local_addr} . "." . $self->{peer_addr};
}
sub local_addr {
my $self = shift;
return $self->{local_addr};
}
sub peer_addr {
my $self = shift;
return $self->{peer_addr};
}
sub add_pkt {
my $self = shift;
my $pkt = shift;
my $tidno = $pkt->tid();
my $tid = $self->find_or_create_tid($tidno);
$tid->add_pkt($pkt);
$pkt->{tid} = $tid;
# Generate reporting data for this pkt
my $ln = "" . $pkt->timestamp() . "\t$tidno\t" . $pkt->datarate() . "\t" . $pkt->retrans() . "\n";
my $fh = $self->{mcs_fh};
print $fh $ln;
}
sub find_or_create_tid {
my $self = shift;
my $tidno = shift;
if ($tidno =~ m/^0x/) {
print STDERR "PeerConn::find_or_create_tid: converting hex tidno $tidno to dec: ".hex($tidno)."\n";
$tidno = hex($tidno);
}
my $tid;
if (exists $self->{tids}[$tidno]) {
$tid = $self->{tids}[$tidno];
}
else {
$tid = Tid->new(glb_fh_ba_tx => $self->{glb_fh_ba_tx},
glb_fh_ba_rx => $self->{glb_fh_ba_rx},
tidno => $tidno,
report_prefix => $self->{report_prefix},
addr_a => $self->local_addr(),
addr_b => $self->peer_addr(),
);
$self->{tids}[$tidno] = $tid;
}
return $tid;
}
sub sum_tids {
my $self = shift;
my $var = shift;
my $tid_count = @{$self->{tids}};
my $rv = 0;
my $i;
for ($i = 0; $i < $tid_count; $i++) {
if (exists $self->{tids}[$i]) {
if ($var == 0) {
$rv += $self->{tids}[$i]->tx_no_ack_found_all();
}
elsif ($var == 1) {
$rv += $self->{tids}[$i]->tx_no_ack_found_big();
}
elsif ($var == 2) {
$rv += $self->{tids}[$i]->rx_no_ack_found_all();
}
elsif ($var == 3) {
$rv += $self->{tids}[$i]->rx_no_ack_found_big();
}
}
}
return $rv;
}
sub tx_no_ack_found_all {
my $self = shift;
return $self->sum_tids(0);
}
sub tx_no_ack_found_big {
my $self = shift;
return $self->sum_tids(1);
}
sub rx_no_ack_found_all {
my $self = shift;
return $self->sum_tids(2);
}
sub rx_no_ack_found_big {
my $self = shift;
return $self->sum_tids(3);
}
sub notify_done {
my $self = shift;
my $tid_count = @{$self->{tids}};
my $i;
for ($i = 0; $i < $tid_count; $i++) {
#print "Checking tid: $i\n";
if (exists $self->{tids}[$i]) {
$self->{tids}[$i]->check_remaining_pkts();
}
}
}
sub printme {
my $self = shift;
my $tid_count = @{$self->{tids}};
print "hash-key: " . $self->hash_str() . " tid-count: " . $tid_count . "\n";
my $i;
for ($i = 0; $i < $tid_count; $i++) {
#print "Checking tid: $i\n";
if (exists $self->{tids}[$i]) {
#print "Printing tid: $i\n";
$self->{tids}[$i]->printme();
#print "Done printing tid: $i\n";
}
}
#print "Done peer-conn printme\n";
return;
}
sub gen_graphs {
my $self = shift;
my $tid_count = @{$self->{tids}};
my $i;
for ($i = 0; $i < $tid_count; $i++) {
#print "Checking tid: $i\n";
if (exists $self->{tids}[$i]) {
#print "Printing tid: $i\n";
$self->{tids}[$i]->printme();
#print "Done printing tid: $i\n";
}
}
#print "Done peer-conn printme\n";
return;
}
1;