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# The client writes a message to Sys::Syslog native method.
# The syslogd writes it into a file and through a pipe.
# The syslogd passes it via UDP to the loghost.
# The server receives the message on its UDP socket.
# Find the message in client, file, pipe, syslogd, server log.
# Check that a SIGPIPE is ignored by syslogd.
use strict;
use warnings;
our %args = (
client => {
func => sub { write_between2logs(shift, sub {
my $self = shift;
${$self->{server}}->loggrep("Signal", 8)
or die ref($self), " no 'Signal' between logs";
})},
loggrep => { get_between2loggrep() },
},
syslogd => {
ktrace => {
qr/syslogd PSIG SIGPIPE/ => 0,
qr/syslogd RET execve 0/ => 2,
},
loggrep => { get_between2loggrep() },
},
server => {
func => sub { read_between2logs(shift, sub {
my $self = shift;
${$self->{syslogd}}->kill_syslogd('PIPE');
sleep 1; # schedule syslogd
print STDERR "Signal\n";
})},
loggrep => { get_between2loggrep() },
},
file => { loggrep => { get_between2loggrep() } },
pipe => { loggrep => { get_between2loggrep() } },
);
1;
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