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package Sphinx::Manager; |
2
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3
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4
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391268
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use warnings; |
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8
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4
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120
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4
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4
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21
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use strict; |
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10
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4
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147
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5
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4
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4
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21
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use base qw/Class::Accessor::Fast/; |
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12
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4
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4115
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6
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7
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4
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4
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20463
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use Carp qw/croak/; |
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4
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282
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8
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4
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4
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3729
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use Proc::ProcessTable; |
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50114
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4
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288
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9
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4
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4
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880
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use Path::Class; |
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84858
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4
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246
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10
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4
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29
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use File::Spec; |
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4
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10
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4
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85
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11
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4
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4
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972
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use Sphinx::Config; |
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13335
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4
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151
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12
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4
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4
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33
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use Errno qw/ECHILD/; |
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5
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4
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9763
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13
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14
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our $VERSION = '0.06'; |
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16
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__PACKAGE__->mk_accessors(qw/config_file |
17
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pid_file |
18
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bindir |
19
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searchd_args |
20
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searchd_sudo |
21
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indexer_args |
22
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indexer_sudo |
23
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process_timeout |
24
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debug/); |
25
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26
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my $default_config_file = 'sphinx.conf'; |
27
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my $default_process_timeout = 10; |
28
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29
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sub new { |
30
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3
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3
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1
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4569
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my $class = shift; |
31
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3
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42
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my $self = $class->SUPER::new(@_); |
32
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33
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3
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50
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54
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$self->debug(0) unless $self->debug; |
34
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3
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50
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81
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$self->config_file($default_config_file) unless $self->config_file; |
35
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3
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50
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48
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$self->process_timeout($default_process_timeout) unless $self->process_timeout; |
36
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37
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3
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48
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return $self; |
38
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} |
39
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40
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# Determines pid_file from explicitly given file or by reading the config |
41
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sub _find_pidfile { |
42
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6
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6
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15
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my $self = shift; |
43
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44
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6
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33
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30
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my $config_file = $self->config_file || $default_config_file; |
45
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46
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6
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50
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90
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if (my $file = $self->pid_file) { |
47
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0
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0
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return $self->{_pid_file} = Path::Class::file($file); |
48
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} |
49
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6
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100
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66
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57
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if ($self->{_config_file} && $config_file eq $self->{_config_file}) { |
50
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# Config file unchanged |
51
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3
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50
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276
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return $self->{_pid_file} if $self->{_pid_file}; |
52
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} |
53
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3
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15
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$self->_load_config_file; |
54
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3
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375
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return $self->{_pid_file}; |
55
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} |
56
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57
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# Loads given config file and extracts the pid_file |
58
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sub _load_config_file { |
59
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3
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3
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6
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my $self = shift; |
60
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61
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3
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33
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12
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my $config_file = $self->config_file || $default_config_file; |
62
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63
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3
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45
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my $config = Sphinx::Config->new; |
64
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3
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33
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$config->parse($config_file); |
65
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3
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50
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984
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if (my $pid_file = $config->get('searchd', undef, 'pid_file')) { |
66
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3
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60
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$self->{_pid_file} = Path::Class::file($pid_file); |
67
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} |
68
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3
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291
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$self->{_config_file} = Path::Class::file($config_file); # records which file we have loaded |
69
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} |
70
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71
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# Find executable file |
72
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sub _find_exe { |
73
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3
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3
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6
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my $self = shift; |
74
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3
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6
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my $name = shift; |
75
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76
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3
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50
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15
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return Path::Class::file($self->bindir, $name) if $self->bindir; |
77
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78
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0
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0
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my @candidates = map { Path::Class::file($_, $name) } File::Spec->path(); |
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0
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0
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79
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0
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0
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for my $bin (@candidates) { |
80
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0
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0
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0
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return $bin if -x "$bin"; |
81
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} |
82
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0
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0
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die "Failed to find $name binary in bindir or system path; please specify bindir correctly"; |
83
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} |
84
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85
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# Find a process for given pid; return the PID if the process matches the given pattern |
86
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# If pid is not given, returns all process IDs matching the pattern |
87
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sub _findproc { |
88
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13
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13
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244
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my ($self, $pid, $pat) = @_; |
89
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90
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13
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793
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my $t = Proc::ProcessTable->new; |
91
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92
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13
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50
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29733
|
if ($pid) { |
93
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0
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0
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my $process; |
94
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0
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0
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for (@{$t->table}) { |
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0
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0
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95
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0
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0
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0
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$process = $_, last if $_->pid == $pid; |
96
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} |
97
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0
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0
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0
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return [ $pid ] if $process; |
98
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} |
99
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else { |
100
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13
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124
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my @procs; |
101
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13
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26
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for (@{$t->table}) { |
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13
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53251
|
|
102
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132
|
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33
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430
|
my $cmndline = $_->{cmndline} || $_->{fname}; |
103
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132
|
50
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530
|
warn "Checking $cmndline against $pat" if $self->debug > 2; |
104
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132
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50
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1876
|
push(@procs, $_->pid) if $cmndline =~ /$pat/; |
105
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|
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} |
106
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13
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560
|
return \@procs; |
107
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|
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} |
108
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109
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0
|
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0
|
return []; |
110
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|
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} |
111
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112
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# Waits for a PID to disappear from the process table; returns 1 if found, 0 if timeout. |
113
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|
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sub _wait_for_death { |
114
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0
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|
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0
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0
|
my $self = shift; |
115
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0
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|
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0
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my $pid = shift; |
116
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0
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0
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0
|
my $timeout = $self->process_timeout || $default_process_timeout; |
117
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118
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0
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0
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my $ret = 0; |
119
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0
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|
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0
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my $t = time() + $timeout; |
120
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0
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|
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|
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0
|
while (time() < $t) { |
121
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0
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0
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|
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0
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$ret++, last unless @{$self->_findproc($pid)}; |
|
0
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0
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122
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0
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0
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sleep(1); |
123
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|
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} |
124
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0
|
|
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|
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0
|
return $ret; |
125
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|
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|
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} |
126
|
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|
127
|
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|
|
# Waits for a process matching a given pattern to appear in the process table; returns 1 if found, 0 if timeout. |
128
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|
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|
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sub _wait_for_proc { |
129
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1
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|
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1
|
|
10
|
my $self = shift; |
130
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1
|
|
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13
|
my $pat = shift; |
131
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1
|
|
33
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27
|
my $timeout = $self->process_timeout || $default_process_timeout; |
132
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133
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1
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8
|
my $ret = 0; |
134
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1
|
|
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13
|
my $t = time() + $timeout; |
135
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1
|
|
|
|
|
17
|
while (time() < $t) { |
136
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10
|
50
|
|
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|
99
|
$ret++, last if @{$self->_findproc(undef, $pat)}; |
|
10
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128
|
|
137
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10
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10006222
|
sleep(1); |
138
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|
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|
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|
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} |
139
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1
|
|
|
|
|
596
|
return $ret; |
140
|
|
|
|
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|
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} |
141
|
|
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142
|
|
|
|
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|
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sub _system_with_status |
143
|
|
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|
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|
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{ |
144
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0
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|
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0
|
|
0
|
my (@args) = @_; |
145
|
|
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146
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0
|
|
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|
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0
|
local $SIG{CHLD} = 'IGNORE'; |
147
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0
|
|
|
|
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0
|
my $status = system(@args); |
148
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0
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0
|
|
|
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0
|
unless ($status == 0) { |
149
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0
|
0
|
|
|
|
0
|
if ($? == -1) { |
150
|
0
|
0
|
|
|
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0
|
return '' if $! == ECHILD; |
151
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0
|
|
|
|
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0
|
return "@args failed to execute: $!"; |
152
|
|
|
|
|
|
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} |
153
|
0
|
0
|
|
|
|
0
|
if ($? & 127) { |
154
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0
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0
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|
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0
|
return sprintf("@args died with signal %d, %s coredump\n", |
155
|
|
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|
|
|
|
($? & 127), ($? & 128) ? 'with' : 'without'); |
156
|
|
|
|
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|
|
} |
157
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0
|
|
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|
|
0
|
return sprintf("@args exited with value %d\n", $? >> 8); |
158
|
|
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|
|
|
|
} |
159
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0
|
|
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|
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0
|
return ''; |
160
|
|
|
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|
|
} |
161
|
|
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|
162
|
|
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|
|
# Get regexp for matching command line |
163
|
|
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|
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|
|
sub _get_searchd_matchre { |
164
|
4
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|
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4
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|
19
|
my $self = shift; |
165
|
4
|
|
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|
|
56
|
my $c = $self->{_config_file}->stringify; |
166
|
4
|
|
|
|
|
456
|
return qr/searchd.*(?:\s|=)$c(?:$|\s)/; |
167
|
|
|
|
|
|
|
} |
168
|
|
|
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169
|
|
|
|
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|
|
sub get_searchd_pid { |
170
|
3
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|
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3
|
1
|
6
|
my $self = shift; |
171
|
|
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172
|
3
|
|
|
|
|
6
|
my $pids = []; |
173
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3
|
|
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|
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12
|
my $pidfile = $self->_find_pidfile; |
174
|
3
|
50
|
|
|
|
12
|
if ( -f "$pidfile" ) { |
175
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0
|
0
|
|
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|
0
|
if (my $pid = $pidfile->slurp(chomp => 1)) { |
176
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0
|
0
|
|
|
|
0
|
push(@$pids, $pid) if @{$self->_findproc($pid, 'searchd')}; |
|
0
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0
|
|
177
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|
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} |
178
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|
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|
|
} |
179
|
3
|
50
|
|
|
|
165
|
if (! @$pids) { |
180
|
|
|
|
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|
|
# backup plan if PID file is empty or invalid |
181
|
3
|
|
|
|
|
66
|
$pids = $self->_findproc(undef, $self->_get_searchd_matchre); |
182
|
|
|
|
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|
|
} |
183
|
3
|
50
|
|
|
|
21
|
warn("Found searchd pid " . join(", ", @$pids)) if $self->debug; |
184
|
3
|
|
|
|
|
21
|
return $pids; |
185
|
|
|
|
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|
|
} |
186
|
|
|
|
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|
|
|
187
|
|
|
|
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|
|
sub start_searchd { |
188
|
3
|
|
|
3
|
1
|
18
|
my $self = shift; |
189
|
3
|
|
|
|
|
6
|
my $ok_if_running = shift; |
190
|
|
|
|
|
|
|
|
191
|
3
|
|
|
|
|
15
|
my $pidfile = $self->_find_pidfile; |
192
|
3
|
50
|
|
|
|
39
|
warn "start_searchd: Checking pidfile $pidfile" if $self->debug; |
193
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|
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|
|
|
|
|
194
|
3
|
50
|
|
|
|
24
|
if ( -f "$pidfile" ) { |
195
|
0
|
|
|
|
|
0
|
my $pid = Path::Class::file($pidfile)->slurp(chomp => 1); |
196
|
0
|
0
|
|
|
|
0
|
warn "start_searchd: Found PID $pid" if $self->debug; |
197
|
0
|
0
|
0
|
|
|
0
|
if ($pid && @{$self->_findproc($pid, qr/searchd/)}) { |
|
0
|
|
|
|
|
0
|
|
198
|
0
|
0
|
|
|
|
0
|
return if $ok_if_running; |
199
|
0
|
|
|
|
|
0
|
die "searchd is already running, PID $pid"; |
200
|
|
|
|
|
|
|
} |
201
|
|
|
|
|
|
|
} |
202
|
|
|
|
|
|
|
|
203
|
3
|
|
|
|
|
156
|
my @args; |
204
|
3
|
50
|
|
|
|
15
|
if (my $sudo = $self->searchd_sudo) { |
205
|
0
|
0
|
|
|
|
0
|
if (ref($sudo) ne 'ARRAY') { |
206
|
0
|
|
|
|
|
0
|
$sudo = [ split(/\s+/, $sudo) ]; |
207
|
|
|
|
|
|
|
} |
208
|
0
|
|
|
|
|
0
|
push(@args, @$sudo); |
209
|
|
|
|
|
|
|
} |
210
|
3
|
|
|
|
|
27
|
push(@args, $self->_find_exe('searchd')); |
211
|
3
|
|
|
|
|
360
|
push(@args, "--config", $self->{_config_file}->stringify); |
212
|
3
|
50
|
|
|
|
99
|
push(@args, @{$self->searchd_args}) if $self->searchd_args; |
|
0
|
|
|
|
|
0
|
|
213
|
3
|
50
|
|
|
|
24
|
warn("Executing " . join(" ", @args)) if $self->debug; |
214
|
|
|
|
|
|
|
|
215
|
3
|
|
|
|
|
117
|
local $SIG{CHLD} = 'IGNORE'; |
216
|
3
|
|
|
|
|
3774
|
my $pid = fork(); |
217
|
3
|
50
|
|
|
|
199
|
die "Fork failed: $!" unless defined $pid; |
218
|
3
|
100
|
|
|
|
59
|
if ($pid == 0) { |
219
|
2
|
100
|
|
|
|
6540
|
fork() and exit; # double fork to ensure detach |
220
|
1
|
0
|
|
|
|
0
|
exec(@args) |
221
|
|
|
|
|
|
|
or die("Failed to exec @args}: $!"); |
222
|
|
|
|
|
|
|
} |
223
|
|
|
|
|
|
|
|
224
|
1
|
50
|
|
|
|
91
|
die "Searchd not running after timeout" |
225
|
|
|
|
|
|
|
unless $self->_wait_for_proc($self->_get_searchd_matchre); |
226
|
|
|
|
|
|
|
|
227
|
|
|
|
|
|
|
} |
228
|
|
|
|
|
|
|
|
229
|
|
|
|
|
|
|
sub _kill { |
230
|
0
|
|
|
0
|
|
0
|
my ($self, $sig, @pids) = @_; |
231
|
|
|
|
|
|
|
|
232
|
0
|
0
|
|
|
|
0
|
if (my $sudo = $self->searchd_sudo) { |
233
|
0
|
|
|
|
|
0
|
my @args; |
234
|
0
|
0
|
|
|
|
0
|
if (ref($sudo) ne 'ARRAY') { |
235
|
0
|
|
|
|
|
0
|
$sudo = [ split(/\s+/, $sudo) ]; |
236
|
|
|
|
|
|
|
} |
237
|
0
|
|
|
|
|
0
|
push(@args, @$sudo); |
238
|
0
|
|
|
|
|
0
|
push(@args, 'kill'); |
239
|
0
|
|
|
|
|
0
|
push(@args, "-$sig", @pids); |
240
|
0
|
|
|
|
|
0
|
_system_with_status(@args); |
241
|
|
|
|
|
|
|
} |
242
|
|
|
|
|
|
|
else { |
243
|
0
|
|
|
|
|
0
|
kill $sig, @pids; |
244
|
|
|
|
|
|
|
} |
245
|
|
|
|
|
|
|
} |
246
|
|
|
|
|
|
|
|
247
|
|
|
|
|
|
|
sub stop_searchd { |
248
|
3
|
|
|
3
|
1
|
1314
|
my $self = shift; |
249
|
|
|
|
|
|
|
|
250
|
3
|
|
|
|
|
18
|
my $pids = $self->get_searchd_pid; |
251
|
3
|
50
|
|
|
|
18
|
if (@$pids) { |
252
|
0
|
|
|
|
|
|
$self->_kill(15, @$pids); |
253
|
0
|
0
|
|
|
|
|
unless ($self->_wait_for_death(@$pids)) { |
254
|
0
|
|
|
|
|
|
$self->_kill(9, @$pids); |
255
|
0
|
0
|
|
|
|
|
unless ($self->_wait_for_death(@$pids)) { |
256
|
0
|
|
|
|
|
|
die "Failed to stop searchd PID " . join(", ", @$pids) . ", even with sure kill"; |
257
|
|
|
|
|
|
|
} |
258
|
|
|
|
|
|
|
} |
259
|
|
|
|
|
|
|
} |
260
|
|
|
|
|
|
|
# nothing found to kill so assume success |
261
|
|
|
|
|
|
|
} |
262
|
|
|
|
|
|
|
|
263
|
|
|
|
|
|
|
sub restart_searchd { |
264
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
265
|
0
|
|
|
|
|
|
$self->stop_searchd; |
266
|
0
|
|
|
|
|
|
$self->start_searchd(1); |
267
|
|
|
|
|
|
|
} |
268
|
|
|
|
|
|
|
|
269
|
|
|
|
|
|
|
sub reload_searchd { |
270
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
271
|
|
|
|
|
|
|
|
272
|
0
|
|
|
|
|
|
my $pids = $self->get_searchd_pid; |
273
|
0
|
0
|
|
|
|
|
if (@$pids) { |
274
|
|
|
|
|
|
|
# send HUP |
275
|
0
|
|
|
|
|
|
$self->_kill(1, @$pids); |
276
|
|
|
|
|
|
|
} |
277
|
|
|
|
|
|
|
else { |
278
|
0
|
|
|
|
|
|
$self->start_searchd(1); |
279
|
|
|
|
|
|
|
} |
280
|
|
|
|
|
|
|
} |
281
|
|
|
|
|
|
|
|
282
|
|
|
|
|
|
|
sub run_indexer { |
283
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
284
|
0
|
|
|
|
|
|
my @extra_args = @_; |
285
|
|
|
|
|
|
|
|
286
|
0
|
|
|
|
|
|
my @args; |
287
|
0
|
0
|
|
|
|
|
if (my $sudo = $self->indexer_sudo) { |
288
|
0
|
0
|
|
|
|
|
if (ref($sudo) ne 'ARRAY') { |
289
|
0
|
|
|
|
|
|
$sudo = [ split(/\s+/, $sudo) ]; |
290
|
|
|
|
|
|
|
} |
291
|
0
|
|
|
|
|
|
push(@args, @$sudo); |
292
|
|
|
|
|
|
|
} |
293
|
0
|
|
|
|
|
|
push(@args, my $indexer = $self->_find_exe('indexer')); |
294
|
|
|
|
|
|
|
|
295
|
0
|
0
|
|
|
|
|
warn("Using indexer @args") if $self->debug; |
296
|
0
|
0
|
|
|
|
|
die "Cannot execute Sphinx indexer binary $indexer" unless -x "$indexer"; |
297
|
|
|
|
|
|
|
|
298
|
0
|
|
0
|
|
|
|
my $config = $self->config_file || $default_config_file; |
299
|
0
|
|
|
|
|
|
push(@args, "--config", $config); |
300
|
0
|
0
|
|
|
|
|
push(@args, @{$self->indexer_args}) if $self->indexer_args; |
|
0
|
|
|
|
|
|
|
301
|
0
|
0
|
|
|
|
|
push(@args, @extra_args) if @extra_args; |
302
|
|
|
|
|
|
|
|
303
|
0
|
0
|
|
|
|
|
if (my $status = _system_with_status(@args)) { |
304
|
0
|
|
|
|
|
|
die $status; |
305
|
|
|
|
|
|
|
} |
306
|
|
|
|
|
|
|
} |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
1; |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
__END__ |