1# The client writes a message to Sys::Syslog native method.
2# The syslogd writes it into a file and through a pipe.
3# The syslogd passes it via UDP to the loghost.
4# The server receives the message on its UDP socket.
5# Find the message in client, file, pipe, syslogd, server log.
6# Check that a modified config file restarts syslogd child.
7
8use strict;
9use warnings;
10
11our %args = (
12    client => {
13	func => sub { write_between2logs(shift, sub {
14	    my $self = shift;
15	    ${$self->{server}}->loggrep("Signal", 8)
16		or die ref($self), " no 'Signal' between logs";
17	})},
18	loggrep => { get_between2loggrep() },
19    },
20    syslogd => {
21	ktrace => {
22	    qr/syslogd  PSIG  SIGHUP caught handler/ => 1,
23	    qr/syslogd  RET   execve JUSTRETURN/ => 4,
24	},
25	loggrep => {
26	    qr/config file modified: restarting/ => 1,
27	    qr/config file changed: dying/ => 1,
28	    qr/syslogd: restarted/ => 0,
29	    get_between2loggrep(),
30	},
31    },
32    server => {
33	func => sub { read_between2logs(shift, sub {
34	    my $self = shift;
35	    my $conffile = ${$self->{syslogd}}->{conffile};
36	    open(my $fh, '>>', $conffile)
37		or die ref($self), " append conf file $conffile failed: $!";
38	    print $fh "# modified\n";
39	    close($fh);
40	    ${$self->{syslogd}}->kill_syslogd('HUP');
41	    ${$self->{syslogd}}->loggrep("syslogd: started", 5, 2)
42		or die ref($self), " no 'syslogd: started' between logs";
43	    print STDERR "Signal\n";
44	})},
45	loggrep => { get_between2loggrep() },
46    },
47    file => {
48	loggrep => {
49	    qr/syslogd\[\d+\]: start/ => 2,
50	    qr/syslogd\[\d+\]: restart/ => 0,
51	    qr/syslogd\[\d+\]: exiting/ => 1,
52	},
53    },
54);
55
561;
57