line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
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package Plack::Middleware::ServerStatus::Lite; |
2
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3
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68
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68
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4627298
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use strict; |
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68
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152
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68
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2576
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4
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68
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68
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400
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use warnings; |
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68
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153
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68
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2339
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5
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68
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68
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1191
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use parent qw(Plack::Middleware); |
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68
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472
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68
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634
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6
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68
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68
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39064
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use Plack::Util::Accessor qw(scoreboard path allow counter_file skip_ps_command); |
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68
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160
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68
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687
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7
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68
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68
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5377
|
use Plack::Util; |
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68
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138
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68
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1613
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8
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68
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68
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58781
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use Parallel::Scoreboard; |
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68
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306136
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68
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2112
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9
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68
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68
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62083
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use Net::CIDR::Lite; |
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68
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260822
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68
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2291
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10
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68
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68
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2565
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use Try::Tiny; |
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68
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3114
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68
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4360
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11
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68
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68
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2486
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use JSON; |
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68
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225332
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68
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592
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12
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68
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68
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10170
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use Fcntl qw(:DEFAULT :flock); |
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68
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173
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68
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37859
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13
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68
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68
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429
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use IO::Handle; |
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68
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138
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68
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53937
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14
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15
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our $VERSION = '0.33'; |
16
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17
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my $JSON = JSON->new->utf8(0); |
18
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19
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sub prepare_app { |
20
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83
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83
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1
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454037694
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my $self = shift; |
21
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83
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6678
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$self->{uptime} = time; |
22
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23
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83
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50
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513
|
if ( $self->allow ) { |
24
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83
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100
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910
|
my @ip = ref $self->allow ? @{$self->allow} : ($self->allow); |
|
81
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796
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25
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83
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578
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my @ipv4; |
26
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my @ipv6; |
27
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83
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243
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for (@ip) { |
28
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# hacky check, but actual checks are done in Net::CIDR::Lite. |
29
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164
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100
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672
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if (/:/) { |
30
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81
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247
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push @ipv6, $_; |
31
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} else { |
32
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83
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282
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push @ipv4, $_; |
33
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} |
34
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} |
35
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83
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50
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428
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if ( @ipv4 ) { |
36
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83
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764
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my $cidr4 = Net::CIDR::Lite->new(); |
37
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83
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1369
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$cidr4->add_any($_) for @ipv4; |
38
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83
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17889
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$self->{__cidr4} = $cidr4; |
39
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} |
40
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83
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100
|
|
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|
352
|
if ( @ipv6 ) { |
41
|
81
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|
354
|
my $cidr6 = Net::CIDR::Lite->new(); |
42
|
81
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|
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|
|
988
|
$cidr6->add_any($_) for @ipv6; |
43
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81
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|
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33291
|
$self->{__cidr6} = $cidr6; |
44
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} |
45
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|
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} |
46
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|
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else { |
47
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0
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0
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warn "[Plack::Middleware::ServerStatus::Lite] 'allow' is not provided. Any host will not be able to access server-status page.\n"; |
48
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} |
49
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|
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|
|
|
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|
50
|
83
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100
|
|
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|
1886
|
if ( $self->scoreboard ) { |
51
|
82
|
|
|
|
|
981
|
my $scoreboard = Parallel::Scoreboard->new( |
52
|
|
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|
|
|
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base_dir => $self->scoreboard |
53
|
|
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|
|
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); |
54
|
82
|
|
|
|
|
10204
|
$self->{__scoreboard} = $scoreboard; |
55
|
|
|
|
|
|
|
} |
56
|
|
|
|
|
|
|
|
57
|
83
|
100
|
100
|
|
|
396
|
if ( $self->counter_file && ! -f $self->counter_file ) { |
58
|
21
|
50
|
|
|
|
1095
|
open( my $fh, '>>:unix', $self->counter_file ) |
59
|
|
|
|
|
|
|
or die "could not open counter_file: $!"; |
60
|
|
|
|
|
|
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} |
61
|
|
|
|
|
|
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} |
62
|
|
|
|
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|
|
|
63
|
|
|
|
|
|
|
sub call { |
64
|
70
|
|
|
70
|
1
|
51762452
|
my ($self, $env) = @_; |
65
|
|
|
|
|
|
|
|
66
|
70
|
|
|
|
|
1243
|
$self->set_state("A", $env); |
67
|
|
|
|
|
|
|
my $back_state = sub { |
68
|
70
|
|
|
70
|
|
334
|
$self->set_state("_"); |
69
|
70
|
|
|
|
|
25045
|
}; |
70
|
70
|
|
|
|
|
1991
|
my $guard = bless $back_state, 'Plack::Middleware::ServerStatus::Lite::Guard'; |
71
|
|
|
|
|
|
|
|
72
|
70
|
100
|
66
|
|
|
764
|
if( $self->path && $env->{PATH_INFO} eq $self->path ) { |
73
|
9
|
|
|
|
|
450
|
my $res = $self->_handle_server_status($env); |
74
|
9
|
100
|
|
|
|
235
|
if ( $self->counter_file ) { |
75
|
3
|
|
|
|
|
216
|
my $length = Plack::Util::content_length($res->[2]); |
76
|
3
|
|
|
|
|
509
|
$self->counter(1,$length); |
77
|
|
|
|
|
|
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} |
78
|
9
|
|
|
|
|
207
|
return $res; |
79
|
|
|
|
|
|
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} |
80
|
|
|
|
|
|
|
|
81
|
61
|
|
|
|
|
3738
|
my $res = $self->app->($env); |
82
|
|
|
|
|
|
|
Plack::Util::response_cb($res, sub { |
83
|
61
|
|
|
61
|
|
6005193
|
my $res = shift; |
84
|
|
|
|
|
|
|
|
85
|
61
|
100
|
|
|
|
468
|
if ( defined $res->[2] ) { |
86
|
46
|
100
|
|
|
|
463
|
if ( $self->counter_file ) { |
87
|
43
|
|
|
|
|
923
|
my $length = Plack::Util::content_length($res->[2]); |
88
|
43
|
|
|
|
|
1081
|
$self->counter(1,$length); |
89
|
|
|
|
|
|
|
} |
90
|
46
|
|
|
|
|
485
|
undef $guard; |
91
|
46
|
|
|
|
|
255
|
return ; |
92
|
|
|
|
|
|
|
} |
93
|
|
|
|
|
|
|
|
94
|
15
|
|
|
|
|
32
|
my $length = 0; |
95
|
|
|
|
|
|
|
return sub { |
96
|
30
|
|
|
|
|
10141
|
my $chunk = shift; |
97
|
30
|
100
|
|
|
|
138
|
if ( ! defined $chunk ) { |
98
|
15
|
100
|
|
|
|
339
|
if ( $self->counter_file ) { |
99
|
14
|
|
|
|
|
259
|
$self->counter(1,$length); |
100
|
|
|
|
|
|
|
} |
101
|
15
|
|
|
|
|
53
|
undef $guard; |
102
|
15
|
|
|
|
|
99
|
return; |
103
|
|
|
|
|
|
|
} |
104
|
15
|
|
|
|
|
73
|
$length += length($chunk); |
105
|
15
|
|
|
|
|
118
|
return $chunk; |
106
|
15
|
|
|
|
|
181
|
}; |
107
|
61
|
|
|
|
|
9005946
|
}); |
108
|
|
|
|
|
|
|
} |
109
|
|
|
|
|
|
|
|
110
|
|
|
|
|
|
|
my $prev={}; |
111
|
|
|
|
|
|
|
sub set_state { |
112
|
140
|
|
|
140
|
0
|
499
|
my $self = shift; |
113
|
140
|
100
|
|
|
|
2398
|
return if !$self->{__scoreboard}; |
114
|
|
|
|
|
|
|
|
115
|
138
|
|
50
|
|
|
1187
|
my $status = shift || '_'; |
116
|
138
|
|
|
|
|
352
|
my $env = shift; |
117
|
138
|
100
|
|
|
|
616
|
if ( $env ) { |
118
|
68
|
|
|
68
|
|
494
|
no warnings 'uninitialized'; |
|
68
|
|
|
|
|
256
|
|
|
68
|
|
|
|
|
163832
|
|
119
|
69
|
50
|
|
|
|
3446
|
$prev = { |
120
|
|
|
|
|
|
|
remote_addr => $env->{REMOTE_ADDR}, |
121
|
|
|
|
|
|
|
host => defined $env->{HTTP_HOST} ? $env->{HTTP_HOST} : '-', |
122
|
|
|
|
|
|
|
method => $env->{REQUEST_METHOD}, |
123
|
|
|
|
|
|
|
uri => $env->{REQUEST_URI}, |
124
|
|
|
|
|
|
|
protocol => $env->{SERVER_PROTOCOL}, |
125
|
|
|
|
|
|
|
time => time(), |
126
|
|
|
|
|
|
|
}; |
127
|
|
|
|
|
|
|
} |
128
|
138
|
|
|
|
|
12474
|
$self->{__scoreboard}->update($JSON->encode({ |
129
|
138
|
|
|
|
|
815
|
%{$prev}, |
130
|
|
|
|
|
|
|
pid => $$, |
131
|
|
|
|
|
|
|
ppid => getppid(), |
132
|
|
|
|
|
|
|
uptime => $self->{uptime}, |
133
|
|
|
|
|
|
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status => $status, |
134
|
|
|
|
|
|
|
})); |
135
|
|
|
|
|
|
|
} |
136
|
|
|
|
|
|
|
|
137
|
|
|
|
|
|
|
sub _handle_server_status { |
138
|
9
|
|
|
9
|
|
35
|
my ($self, $env ) = @_; |
139
|
|
|
|
|
|
|
|
140
|
9
|
50
|
|
|
|
60
|
if ( ! $self->allowed($env->{REMOTE_ADDR}) ) { |
141
|
0
|
|
|
|
|
0
|
return [403, ['Content-Type' => 'text/plain'], [ 'Forbidden' ]]; |
142
|
|
|
|
|
|
|
} |
143
|
|
|
|
|
|
|
|
144
|
9
|
|
|
|
|
1931
|
my $upsince = time - $self->{uptime}; |
145
|
9
|
|
|
|
|
64
|
my $duration = ""; |
146
|
9
|
|
|
|
|
136
|
my @spans = (86400 => 'days', 3600 => 'hours', 60 => 'minutes'); |
147
|
9
|
|
|
|
|
45
|
while (@spans) { |
148
|
27
|
|
|
|
|
55
|
my ($seconds,$unit) = (shift @spans, shift @spans); |
149
|
27
|
50
|
|
|
|
102
|
if ($upsince > $seconds) { |
150
|
0
|
|
|
|
|
0
|
$duration .= int($upsince/$seconds) . " $unit, "; |
151
|
0
|
|
|
|
|
0
|
$upsince = $upsince % $seconds; |
152
|
|
|
|
|
|
|
} |
153
|
|
|
|
|
|
|
} |
154
|
9
|
|
|
|
|
57
|
$duration .= "$upsince seconds"; |
155
|
|
|
|
|
|
|
|
156
|
9
|
|
|
|
|
71
|
my $body="Uptime: $self->{uptime} ($duration)\n"; |
157
|
9
|
|
|
|
|
60
|
my %status = ( 'Uptime' => $self->{uptime} ); |
158
|
|
|
|
|
|
|
|
159
|
9
|
100
|
|
|
|
54
|
if ( $self->counter_file ) { |
160
|
3
|
|
|
|
|
37
|
my ($counter,$bytes) = $self->counter; |
161
|
3
|
|
|
|
|
11
|
my $kbytes = int($bytes / 1_000); |
162
|
3
|
|
|
|
|
26
|
$body .= sprintf "Total Accesses: %s\n", $counter; |
163
|
3
|
|
|
|
|
8
|
$body .= sprintf "Total Kbytes: %s\n", $kbytes; |
164
|
3
|
|
|
|
|
30
|
$status{TotalAccesses} = $counter; |
165
|
3
|
|
|
|
|
8
|
$status{TotalKbytes} = $kbytes; |
166
|
|
|
|
|
|
|
} |
167
|
|
|
|
|
|
|
|
168
|
9
|
100
|
|
|
|
129
|
if ( my $scoreboard = $self->{__scoreboard} ) { |
169
|
8
|
|
|
|
|
66
|
my $stats = $scoreboard->read_all(); |
170
|
8
|
|
|
|
|
7072
|
my $idle = 0; |
171
|
8
|
|
|
|
|
21
|
my $busy = 0; |
172
|
|
|
|
|
|
|
|
173
|
8
|
|
|
|
|
26
|
my @all_workers = (); |
174
|
8
|
|
|
|
|
44
|
my $parent_pid = getppid; |
175
|
|
|
|
|
|
|
|
176
|
8
|
100
|
|
|
|
184
|
if ( $self->skip_ps_command ) { |
|
|
50
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
177
|
|
|
|
|
|
|
# none |
178
|
1
|
|
|
|
|
8
|
@all_workers = keys %$stats; |
179
|
|
|
|
|
|
|
} |
180
|
|
|
|
|
|
|
elsif ( $^O eq 'cygwin' ) { |
181
|
0
|
|
|
|
|
0
|
my $ps = `ps -ef`; |
182
|
0
|
|
|
|
|
0
|
$ps =~ s/^\s+//mg; |
183
|
0
|
|
|
|
|
0
|
for my $line ( split /\n/, $ps ) { |
184
|
0
|
0
|
|
|
|
0
|
next if $line =~ m/^\D/; |
185
|
0
|
|
|
|
|
0
|
my @proc = split /\s+/, $line; |
186
|
0
|
0
|
|
|
|
0
|
push @all_workers, $proc[1] if $proc[2] == $parent_pid; |
187
|
|
|
|
|
|
|
} |
188
|
|
|
|
|
|
|
} |
189
|
|
|
|
|
|
|
elsif ( $^O !~ m!mswin32!i ) { |
190
|
7
|
50
|
|
|
|
247
|
my $psopt = $^O =~ m/bsd$/ ? '-ax' : '-e'; |
191
|
7
|
|
|
|
|
101856
|
my $ps = `LC_ALL=C command ps $psopt -o ppid,pid`; |
192
|
7
|
|
|
|
|
4552
|
$ps =~ s/^\s+//mg; |
193
|
7
|
|
|
|
|
183
|
for my $line ( split /\n/, $ps ) { |
194
|
117
|
100
|
|
|
|
2915
|
next if $line =~ m/^\D/; |
195
|
110
|
|
|
|
|
290
|
my ($ppid, $pid) = split /\s+/, $line, 2; |
196
|
110
|
100
|
|
|
|
561
|
push @all_workers, $pid if $ppid == $parent_pid; |
197
|
|
|
|
|
|
|
} |
198
|
|
|
|
|
|
|
} |
199
|
|
|
|
|
|
|
else { |
200
|
|
|
|
|
|
|
# todo windows? |
201
|
0
|
|
|
|
|
0
|
@all_workers = keys %$stats; |
202
|
|
|
|
|
|
|
} |
203
|
|
|
|
|
|
|
|
204
|
8
|
|
|
|
|
54
|
my $process_status = ''; |
205
|
8
|
|
|
|
|
50
|
my @process_status; |
206
|
8
|
|
|
|
|
51
|
for my $pid ( @all_workers ) { |
207
|
32
|
|
|
|
|
89
|
my $json = $stats->{$pid}; |
208
|
32
|
|
|
|
|
95
|
my $pstatus = eval { |
209
|
32
|
|
100
|
|
|
1556
|
$JSON->decode($json || '{}'); |
210
|
|
|
|
|
|
|
}; |
211
|
32
|
|
50
|
|
|
186
|
$pstatus ||= {}; |
212
|
32
|
100
|
100
|
|
|
252
|
if ( $pstatus->{status} && $pstatus->{status} eq 'A' ) { |
213
|
11
|
|
|
|
|
37
|
$busy++; |
214
|
|
|
|
|
|
|
} |
215
|
|
|
|
|
|
|
else { |
216
|
21
|
|
|
|
|
39
|
$idle++; |
217
|
|
|
|
|
|
|
} |
218
|
|
|
|
|
|
|
|
219
|
32
|
100
|
|
|
|
110
|
if ( defined $pstatus->{time} ) { |
220
|
23
|
|
|
|
|
100
|
$pstatus->{ss} = time - $pstatus->{time}; |
221
|
|
|
|
|
|
|
} |
222
|
32
|
|
66
|
|
|
153
|
$pstatus->{pid} ||= $pid; |
223
|
32
|
|
|
|
|
89
|
delete $pstatus->{time}; |
224
|
32
|
|
|
|
|
64
|
delete $pstatus->{ppid}; |
225
|
32
|
|
|
|
|
51
|
delete $pstatus->{uptime}; |
226
|
256
|
100
|
|
|
|
1101
|
$process_status .= sprintf "%s\n", |
227
|
32
|
|
|
|
|
140
|
join(" ", map { defined $pstatus->{$_} ? $pstatus->{$_} : '' } qw/pid status remote_addr host method uri protocol ss/); |
228
|
32
|
|
|
|
|
132
|
push @process_status, $pstatus; |
229
|
|
|
|
|
|
|
} |
230
|
8
|
|
|
|
|
86
|
$body .= <
|
231
|
|
|
|
|
|
|
BusyWorkers: $busy |
232
|
|
|
|
|
|
|
IdleWorkers: $idle |
233
|
|
|
|
|
|
|
-- |
234
|
|
|
|
|
|
|
pid status remote_addr host method uri protocol ss |
235
|
|
|
|
|
|
|
$process_status |
236
|
|
|
|
|
|
|
EOF |
237
|
8
|
|
|
|
|
50
|
chomp $body; |
238
|
8
|
|
|
|
|
89
|
$status{BusyWorkers} = $busy; |
239
|
8
|
|
|
|
|
130
|
$status{IdleWorkers} = $idle; |
240
|
8
|
|
|
|
|
97
|
$status{stats} = \@process_status; |
241
|
|
|
|
|
|
|
} |
242
|
|
|
|
|
|
|
else { |
243
|
1
|
|
|
|
|
2
|
$body .= "WARN: Scoreboard has been disabled\n"; |
244
|
1
|
|
|
|
|
3
|
$status{WARN} = 'Scoreboard has been disabled'; |
245
|
|
|
|
|
|
|
} |
246
|
9
|
100
|
100
|
|
|
151
|
if ( ($env->{QUERY_STRING} || '') =~ m!\bjson\b!i ) { |
247
|
1
|
|
|
|
|
41
|
return [200, ['Content-Type' => 'application/json; charset=utf-8'], [ JSON::encode_json(\%status) ]]; |
248
|
|
|
|
|
|
|
} |
249
|
8
|
|
|
|
|
209
|
return [200, ['Content-Type' => 'text/plain'], [ $body ]]; |
250
|
|
|
|
|
|
|
} |
251
|
|
|
|
|
|
|
|
252
|
|
|
|
|
|
|
sub allowed { |
253
|
9
|
|
|
9
|
0
|
37
|
my ( $self , $address ) = @_; |
254
|
9
|
50
|
|
|
|
90
|
if ( $address =~ /:/) { |
255
|
0
|
0
|
|
|
|
0
|
return unless $self->{__cidr6}; |
256
|
0
|
|
|
|
|
0
|
return $self->{__cidr6}->find( $address ); |
257
|
|
|
|
|
|
|
} |
258
|
9
|
50
|
|
|
|
62
|
return unless $self->{__cidr4}; |
259
|
9
|
|
|
|
|
168
|
return $self->{__cidr4}->find( $address ); |
260
|
|
|
|
|
|
|
} |
261
|
|
|
|
|
|
|
|
262
|
|
|
|
|
|
|
sub counter { |
263
|
63
|
|
|
63
|
0
|
162
|
my $self = shift; |
264
|
63
|
|
|
|
|
334
|
my $parent_pid = getppid; |
265
|
63
|
100
|
|
|
|
384
|
if ( ! $self->{__counter} ) { |
266
|
20
|
50
|
|
|
|
243
|
open( my $fh, '+<:unix', $self->counter_file ) or die "cannot open counter_file: $!"; |
267
|
20
|
|
|
|
|
1624
|
$self->{__counter} = $fh; |
268
|
20
|
|
|
|
|
187
|
flock $fh, LOCK_EX; |
269
|
20
|
|
|
|
|
395
|
my $len = sysread $fh, my $buf, 10; |
270
|
20
|
100
|
66
|
|
|
483
|
if ( !$len || $buf != $parent_pid ) { |
271
|
4
|
|
|
|
|
23
|
seek $fh, 0, 0; |
272
|
4
|
|
|
|
|
227
|
syswrite $fh, sprintf("%-10d%-20d%-20d", $parent_pid, 0, 0); |
273
|
|
|
|
|
|
|
} |
274
|
20
|
|
|
|
|
177
|
flock $fh, LOCK_UN; |
275
|
|
|
|
|
|
|
} |
276
|
63
|
100
|
|
|
|
275
|
if ( @_ ) { |
277
|
60
|
|
|
|
|
147
|
my ($count, $bytes) = @_; |
278
|
60
|
|
50
|
|
|
470
|
$count ||= 1; |
279
|
60
|
|
50
|
|
|
758
|
$bytes ||= 0; |
280
|
60
|
|
|
|
|
163
|
my $fh = $self->{__counter}; |
281
|
60
|
|
|
|
|
616
|
flock $fh, LOCK_EX; |
282
|
60
|
|
|
|
|
266
|
seek $fh, 10, 0; |
283
|
60
|
|
|
|
|
543
|
sysread $fh, my $buf, 40; |
284
|
60
|
|
|
|
|
217
|
my $counter = substr($buf, 0, 20); |
285
|
60
|
|
|
|
|
151
|
my $total_bytes = substr($buf, 20, 20); |
286
|
60
|
|
50
|
|
|
286
|
$counter ||= 0; |
287
|
60
|
|
50
|
|
|
189
|
$total_bytes ||= 0; |
288
|
60
|
|
|
|
|
221
|
$counter += $count; |
289
|
60
|
50
|
|
|
|
454
|
if ($total_bytes + $bytes > 2**53){ # see docs |
290
|
0
|
|
|
|
|
0
|
$total_bytes = 0; |
291
|
|
|
|
|
|
|
} else { |
292
|
60
|
|
|
|
|
119
|
$total_bytes += $bytes; |
293
|
|
|
|
|
|
|
} |
294
|
60
|
|
|
|
|
245
|
seek $fh, 0, 0; |
295
|
60
|
|
|
|
|
1138
|
syswrite $fh, sprintf("%-10d%-20d%-20d", $parent_pid, $counter, $total_bytes); |
296
|
60
|
|
|
|
|
373
|
flock $fh, LOCK_UN; |
297
|
60
|
|
|
|
|
232
|
return $counter; |
298
|
|
|
|
|
|
|
} |
299
|
|
|
|
|
|
|
else { |
300
|
3
|
|
|
|
|
30
|
my $fh = $self->{__counter}; |
301
|
3
|
|
|
|
|
37
|
flock $fh, LOCK_EX; |
302
|
3
|
|
|
|
|
13
|
seek $fh, 10, 0; |
303
|
3
|
|
|
|
|
30
|
sysread $fh, my $counter, 20; |
304
|
3
|
|
|
|
|
19
|
sysread $fh, my $total_bytes, 20; |
305
|
3
|
|
|
|
|
17
|
flock $fh, LOCK_UN; |
306
|
3
|
|
|
|
|
15
|
return $counter + 0, $total_bytes + 0; |
307
|
|
|
|
|
|
|
} |
308
|
|
|
|
|
|
|
} |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
1; |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
package |
313
|
|
|
|
|
|
|
Plack::Middleware::ServerStatus::Lite::Guard; |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
sub DESTROY { |
316
|
70
|
|
|
70
|
|
1580
|
$_[0]->(); |
317
|
|
|
|
|
|
|
} |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
1; |
320
|
|
|
|
|
|
|
|
321
|
|
|
|
|
|
|
__END__ |