1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
# -*- perl -*-
#
require 5.004;
use strict;
use IO::Socket ();
use Config ();
use Net::Daemon::Test ();
use Fcntl ();
use Config ();
use POSIX qw/WNOHANG/;
my $debug = 0;
my $dh;
if ($debug) {
$dh = Symbol::gensym();
open($dh, ">", "forkm.log") or die "Failed to open forkm.log: $!";
}
sub log($) {
my $msg = shift;
print $dh "$$: $msg\n" if $dh;
}
&log("Start");
my $ok;
eval {
if ($^O ne "MSWin32") {
my $pid = fork();
if (defined($pid)) {
if (!$pid) { exit 0; } # Child
}
wait;
$ok = 1;
}
};
if (!$ok) {
&log("!ok");
print "1..0\n";
exit;
}
$| = 1;
$^W = 1;
my($handle, $port);
if (@ARGV) {
$port = shift @ARGV;
} else {
($handle, $port) = Net::Daemon::Test->Child
(10, $^X, '-Iblib/lib', '-Iblib/arch', 't/server',
'--mode=fork', 'logfile=stderr', 'debug');
}
sub IsNum {
my $str = shift;
(defined($str) && $str =~ /(\d+)/) ? $1 : undef;
}
sub ReadWrite {
my $fh = shift; my $i = shift; my $j = shift;
&log("ReadWrite: -> fh=$fh, i=$i, j=$j");
if (!$fh->print("$j\n") || !$fh->flush()) {
die "Child $i: Error while writing $j: " . $fh->error() . " ($!)";
}
my $line = $fh->getline();
&log("ReadWrite: line=$line");
die "Child $i: Error while reading: " . $fh->error() . " ($!)"
unless defined($line);
my $num;
die "Child $i: Cannot parse result: $line"
unless defined($num = IsNum($line));
die "Child $i: Expected " . ($j*2) . ", got $num"
unless $j*2 == $num;
&log("ReadWrite: <-");
}
sub MyChild {
my $i = shift;
&log("MyChild: -> $i");
eval {
my $fh = IO::Socket::INET->new('PeerAddr' => '127.0.0.1',
'PeerPort' => $port);
if (!$fh) {
&log("MyChild: Cannot connect: $!");
die "Cannot connect: $!";
}
for (my $j = 0; $j < 1000; $j++) {
ReadWrite($fh, $i, $j);
}
};
if ($@) {
print STDERR "Client: Error $@\n";
&log("MyChild: Client: Error $@");
return 0;
}
&log("MyChild: <-");
return 1;
}
sub ShowResults {
&log("ShowResults: ->");
my @results;
for (my $i = 1; $i <= 10; $i++) {
$results[$i-1] = "not ok $i\n";
}
if (open(LOG, "<log")) {
while (defined(my $line = <LOG>)) {
if ($line =~ /(\d+)/) {
$results[$1-1] = $line;
}
}
}
for (my $i = 1; $i <= 10; $i++) {
print $results[$i-1];
}
&log("ShowResults: <-");
exit 0;
}
my %childs;
sub CatchChild {
&log("CatchChild: ->");
for(;;) {
my $pid = waitpid -1, WNOHANG;
last if $pid <= 0;
if ($pid > 0) {
&log("CatchChild: $pid");
if (exists $childs{$pid}) {
delete $childs{$pid};
if (keys(%childs) == 0) {
# We ae done when the last of our ten childs are gone.
ShowResults();
last;
}
}
}
}
$SIG{'CHLD'} = \&CatchChild;
&log("CatchChild: <-");
}
$SIG{'CHLD'} = \&CatchChild;
# Spawn 10 childs, each of them running a series of test
unlink "log";
&log("Spawning childs");
for (my $i = 0; $i < 10; $i++) {
if (defined(my $pid = fork())) {
if ($pid) {
# This is the parent
$childs{$pid} = $i;
} else {
&log("Child starting");
# This is the child
undef $handle;
%childs = ();
my $result = MyChild($i);
my $fh = Symbol::gensym();
if (!open($fh, ">>log") || !flock($fh, 2) ||
!seek($fh, 0, 2) ||
!(print $fh (($result ? "ok " : "not ok "), ($i+1), "\n")) ||
!close($fh)) {
print STDERR "Error while writing log file: $!\n";
exit 1;
}
exit 0;
}
} else {
print STDERR "Failed to create new child: $!\n";
exit 1;
}
}
my $secs = 120;
while ($secs > 0) {
$secs -= sleep $secs;
}
END {
&log("END: -> handle=" . (defined($handle) ? $handle : "undef"));
if ($handle) {
$handle->Terminate();
undef $handle;
}
while (my($var, $val) = each %childs) {
kill 'TERM', $var;
}
%childs = ();
unlink "ndtest.prt";
&log("END: <-");
exit 0;
}
|
