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mirror of https://github.com/solemnwarning/ipxwrapper synced 2024-12-30 16:45:37 +01:00
2023-09-05 22:43:10 +01:00

190 lines
3.7 KiB
Perl

# IPXWrapper test suite
# Copyright (C) 2014 Daniel Collins <solemnwarning@solemnwarning.net>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
use strict;
use warnings;
package IPXWrapper::Tool::IPXRecv;
use Carp;
use IPC::Open3;
use POSIX qw(:signal_h);
use Test::Spec;
sub new
{
my ($class, $host_ip, @exe_args) = @_;
my @command = ("ssh", $host_ip, "Z:\\tools\\ipx-recv.exe", @exe_args);
note(join(" ", @command));
# No need for error checking here - open3 throws on failure.
my $pid = open3(my $in, my $out, undef, @command);
my $self = bless({
pid => $pid,
out => $out,
in => $in,
sockets => [],
}, $class);
my $output = "";
while(defined(my $line = <$out>))
{
$output .= $line;
$line =~ s/[\r\n]//g;
if($line =~ m{^Bound socket (\d+) to local address: (.+)/(.+)/(.+)$})
{
push(@{ $self->{sockets} }, {
fd => $1,
net => $2,
node => $3,
sock => $4,
});
}
elsif($line eq "Ready")
{
return $self;
}
}
die("Didn't get expected output from ipx-recv.exe:\n$output");
}
sub net
{
my ($self, $sock_idx) = @_;
if((scalar @{ $self->{sockets} }) > 1 && !defined($sock_idx))
{
confess("IPXWrapper::Tool::IPXRecv::net() called without a \$sock_idx but multiple sockets are bound");
}
$sock_idx //= 0;
return $self->{sockets}->[$sock_idx]->{net};
}
sub node
{
my ($self, $sock_idx) = @_;
if((scalar @{ $self->{sockets} }) > 1 && !defined($sock_idx))
{
confess("IPXWrapper::Tool::IPXRecv::node() called without a \$sock_idx but multiple sockets are bound");
}
$sock_idx //= 0;
return $self->{sockets}->[$sock_idx]->{node};
}
sub DESTROY
{
my ($self) = @_;
if(defined($self->{pid}))
{
$self->_end();
}
}
sub _end
{
my ($self) = @_;
# ipx-recv.exe will exit once we close its stdin
delete $self->{in};
local $SIG{ALRM} = sub
{
warn "Killing hung ipx-recv.exe process";
kill(SIGKILL, $self->{pid});
};
alarm(5);
waitpid($self->{pid}, 0);
alarm(0);
delete $self->{pid};
return ($? == 0);
}
sub kill_and_read
{
my ($self) = @_;
unless(defined($self->{pid}))
{
confess("kill_and_read called multiple times");
}
# Kill the child process so we can read EOF from the pipe once we have
# all the output.
if(!$self->_end())
{
# Didn't exit properly, pipe might still have a writer.
die "ipx-recv.exe didn't exit cleanly";
}
my $out = $self->{out};
my @packets = ();
while(defined(my $line = <$out>))
{
$line =~ s/[\r\n]//g;
if($line =~ m{^Received (\d+) bytes \((.*)\) on socket (\d+) from (.+)/(.+)/(.+)$})
{
my ($sock) = grep { $_->{fd} == $3 } @{ $self->{sockets} };
die("Received packet on unknown socket $3")
unless(defined $sock);
die("Read a packet with the wrong size, binary data used in test?")
unless($1 == length($2));
push(@packets, {
sock => $3,
data => $2,
local_net => $sock->{net},
local_node => $sock->{node},
local_sock => $sock->{sock},
src_network => $4,
src_node => $5,
src_socket => $6,
});
}
else{
die("Malformed line read from ipx-recv.exe: $line");
}
}
return @packets;
}
1;