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#line 1 |
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1390
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package Test::TCP; |
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10
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1
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34
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3
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1
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1
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5
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use strict; |
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1
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27
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4
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1
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1
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21
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use warnings; |
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3
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1
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57
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5
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use 5.00800; |
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1
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1
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5
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our $VERSION = '1.06'; |
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1
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1
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207
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7
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1
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1
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2312
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use base qw/Exporter/; |
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1
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45635
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1
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11
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8
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1
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1
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1817
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use IO::Socket::INET; |
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64410
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1
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12
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9
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1
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1
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152
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use Test::SharedFork 0.12; |
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1
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1
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14
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10
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1
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1
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5
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use Test::More (); |
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1
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3
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1
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67
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11
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1
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1
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1084
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use Config; |
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1
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6854
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1
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8
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12
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1
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1
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5326
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use POSIX; |
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3008
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1
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1106
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13
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use Time::HiRes (); |
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15
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# process does not die when received SIGTERM, on win32. |
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my $TERMSIG = $^O eq 'MSWin32' ? 'KILL' : 'TERM'; |
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18
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our @EXPORT = qw/ empty_port test_tcp wait_port /; |
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0
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0
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0
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sub empty_port { |
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0
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0
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my $port = do { |
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if (@_) { |
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my $p = $_[0]; |
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0
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$p = 19000 unless $p =~ /^[0-9]+$/ && $p < 19000; |
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$p; |
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0
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} else { |
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10000 + int(rand()*1000); |
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} |
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}; |
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0
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0
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0
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while ( $port++ < 20000 ) { |
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0
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0
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next if _check_port($port); |
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my $sock = IO::Socket::INET->new( |
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Listen => 5, |
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LocalAddr => '127.0.0.1', |
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LocalPort => $port, |
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Proto => 'tcp', |
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(($^O eq 'MSWin32') ? () : (ReuseAddr => 1)), |
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0
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0
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); |
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return $port if $sock; |
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0
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} |
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die "empty port not found"; |
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} |
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45
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0
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0
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1
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sub test_tcp { |
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0
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my %args = @_; |
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0
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0
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for my $k (qw/client server/) { |
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die "missing madatory parameter $k" unless exists $args{$k}; |
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0
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0
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} |
50
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my $port = $args{port} || empty_port(); |
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0
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0
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0
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52
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if ( my $pid = fork() ) { |
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0
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# parent. |
54
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wait_port($port); |
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56
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my $guard = Test::TCP::Guard->new(code => sub { |
57
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0
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0
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# cleanup |
58
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0
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kill $TERMSIG => $pid; |
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0
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local $?; # waitpid modifies original $?. |
60
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0
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LOOP: while (1) { |
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0
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0
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my $kid = waitpid( $pid, 0 ); |
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0
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0
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if ($^O ne 'MSWin32') { # i'm not in hell |
63
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0
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if (WIFSIGNALED($?)) { |
64
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0
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0
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my $signame = (split(' ', $Config{sig_name}))[WTERMSIG($?)]; |
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0
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if ($signame =~ /^(ABRT|PIPE)$/) { |
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Test::More::diag("your server received SIG$signame"); |
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} |
68
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} |
69
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0
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0
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0
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} |
70
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0
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if ($kid == 0 || $kid == -1) { |
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last LOOP; |
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} |
73
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0
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} |
74
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}); |
75
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0
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76
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$args{client}->($port, $pid); |
77
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} |
78
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elsif ( $pid == 0 ) { |
79
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0
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# child |
80
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0
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$args{server}->($port); |
81
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exit; |
82
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} |
83
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0
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else { |
84
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die "fork failed: $!"; |
85
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} |
86
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} |
87
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88
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0
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0
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sub _check_port { |
89
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my ($port) = @_; |
90
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0
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91
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my $remote = IO::Socket::INET->new( |
92
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Proto => 'tcp', |
93
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PeerAddr => '127.0.0.1', |
94
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PeerPort => $port, |
95
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0
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0
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); |
96
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0
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if ($remote) { |
97
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0
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close $remote; |
98
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return 1; |
99
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} |
100
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0
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else { |
101
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return 0; |
102
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} |
103
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} |
104
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105
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0
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0
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1
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sub wait_port { |
106
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my $port = shift; |
107
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0
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108
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0
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my $retry = 100; |
109
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0
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0
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while ( $retry-- ) { |
110
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0
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return if _check_port($port); |
111
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Time::HiRes::sleep(0.1); |
112
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0
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} |
113
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die "cannot open port: $port"; |
114
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} |
115
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116
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{ |
117
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package # hide from pause |
118
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Test::TCP::Guard; |
119
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0
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0
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sub new { |
120
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0
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my ($class, %args) = @_; |
121
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bless { %args }, $class; |
122
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} |
123
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0
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0
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sub DESTROY { |
124
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0
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my ($self) = @_; |
125
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0
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local $@; |
126
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$self->{code}->(); |
127
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} |
128
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} |
129
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130
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1; |
131
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__END__ |