line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
package PAR::Heavy; |
2
|
|
|
|
|
|
|
$PAR::Heavy::VERSION = '0.12'; |
3
|
|
|
|
|
|
|
|
4
|
|
|
|
|
|
|
=head1 NAME |
5
|
|
|
|
|
|
|
|
6
|
|
|
|
|
|
|
PAR::Heavy - PAR guts |
7
|
|
|
|
|
|
|
|
8
|
|
|
|
|
|
|
=head1 SYNOPSIS |
9
|
|
|
|
|
|
|
|
10
|
|
|
|
|
|
|
(internal use only) |
11
|
|
|
|
|
|
|
|
12
|
|
|
|
|
|
|
=head1 DESCRIPTION |
13
|
|
|
|
|
|
|
|
14
|
|
|
|
|
|
|
No user-serviceable parts inside. |
15
|
|
|
|
|
|
|
|
16
|
|
|
|
|
|
|
=cut |
17
|
|
|
|
|
|
|
|
18
|
|
|
|
|
|
|
######################################################################## |
19
|
|
|
|
|
|
|
# Dynamic inclusion of XS modules |
20
|
|
|
|
|
|
|
|
21
|
|
|
|
|
|
|
# NOTE: Don't "use" any module here, esp. one that is an XS module or |
22
|
|
|
|
|
|
|
# whose "use" could cause the loading of an XS module thru its dependencies. |
23
|
|
|
|
|
|
|
|
24
|
|
|
|
|
|
|
# enable debug/trace messages from DynaLoader perl code |
25
|
|
|
|
|
|
|
my $dl_debug = $ENV{PERL_DL_DEBUG} || 0; |
26
|
|
|
|
|
|
|
|
27
|
|
|
|
|
|
|
my ($bootstrap, $dl_findfile); # Caches for code references |
28
|
|
|
|
|
|
|
my ($cache_key); # The current file to find |
29
|
|
|
|
|
|
|
my $is_insensitive_fs = ( |
30
|
|
|
|
|
|
|
-s $0 |
31
|
|
|
|
|
|
|
and (-s lc($0) || -1) == (-s uc($0) || -1) |
32
|
|
|
|
|
|
|
and (-s lc($0) || -1) == -s $0 |
33
|
|
|
|
|
|
|
); |
34
|
|
|
|
|
|
|
|
35
|
|
|
|
|
|
|
# Adds pre-hooks to Dynaloader's key methods |
36
|
|
|
|
|
|
|
sub _init_dynaloader { |
37
|
7
|
100
|
|
7
|
|
26
|
return if $bootstrap; |
38
|
4
|
50
|
|
|
|
18
|
return unless eval { require DynaLoader; DynaLoader::dl_findfile(); 1 }; |
|
4
|
|
|
|
|
25
|
|
|
4
|
|
|
|
|
60
|
|
|
4
|
|
|
|
|
22
|
|
39
|
|
|
|
|
|
|
|
40
|
4
|
50
|
|
|
|
15
|
print STDERR "PAR::Heavy: pre-hooks to Dynaloader's key methods\n" |
41
|
|
|
|
|
|
|
if $dl_debug; |
42
|
|
|
|
|
|
|
|
43
|
4
|
|
|
|
|
10
|
$bootstrap = \&DynaLoader::bootstrap; |
44
|
4
|
|
|
|
|
16
|
$dl_findfile = \&DynaLoader::dl_findfile; |
45
|
|
|
|
|
|
|
|
46
|
4
|
|
|
|
|
31
|
local $^W; |
47
|
4
|
|
|
0
|
|
18
|
*{'DynaLoader::dl_expandspec'} = sub { return }; |
|
4
|
|
|
|
|
127
|
|
|
0
|
|
|
|
|
0
|
|
48
|
4
|
|
|
|
|
16
|
*{'DynaLoader::bootstrap'} = \&_bootstrap; |
|
4
|
|
|
|
|
17
|
|
49
|
4
|
|
|
|
|
9
|
*{'DynaLoader::dl_findfile'} = \&_dl_findfile; |
|
4
|
|
|
|
|
20
|
|
50
|
|
|
|
|
|
|
} |
51
|
|
|
|
|
|
|
|
52
|
|
|
|
|
|
|
# Return the cached location of .dll inside PAR first, if possible. |
53
|
|
|
|
|
|
|
sub _dl_findfile { |
54
|
0
|
0
|
|
0
|
|
|
print STDERR "PAR::Heavy::_dl_findfile($cache_key)\n" if $dl_debug; |
55
|
|
|
|
|
|
|
|
56
|
0
|
0
|
|
|
|
|
if (exists $FullCache{$cache_key}) { |
57
|
0
|
0
|
|
|
|
|
print STDERR " found in FullCache as $FullCache{$cache_key}\n" |
58
|
|
|
|
|
|
|
if $dl_debug; |
59
|
0
|
|
|
|
|
|
return $FullCache{$cache_key}; |
60
|
|
|
|
|
|
|
} |
61
|
0
|
0
|
|
|
|
|
if ($is_insensitive_fs) { |
62
|
|
|
|
|
|
|
# We have a case-insensitive filesystem... |
63
|
0
|
|
|
|
|
|
my ($key) = grep { lc($_) eq lc($cache_key) } keys %FullCache; |
|
0
|
|
|
|
|
|
|
64
|
0
|
0
|
|
|
|
|
if (defined $key) { |
65
|
0
|
0
|
|
|
|
|
print STDERR " found case-insensitively in FullCache as $FullCache{$key}\n" |
66
|
|
|
|
|
|
|
if $dl_debug; |
67
|
0
|
|
|
|
|
|
return $FullCache{$key}; |
68
|
|
|
|
|
|
|
} |
69
|
|
|
|
|
|
|
} |
70
|
0
|
0
|
|
|
|
|
print STDERR " fall back to DynaLoader::dl_findfile\n" if $dl_debug; |
71
|
0
|
|
|
|
|
|
return $dl_findfile->(@_); |
72
|
|
|
|
|
|
|
} |
73
|
|
|
|
|
|
|
|
74
|
|
|
|
|
|
|
# Find and extract .dll from PAR files for a given dynamic module. |
75
|
|
|
|
|
|
|
sub _bootstrap { |
76
|
0
|
|
|
0
|
|
|
my (@args) = @_; |
77
|
0
|
0
|
|
|
|
|
my ($module) = $args[0] or return; |
78
|
|
|
|
|
|
|
|
79
|
0
|
|
|
|
|
|
my @modparts = split(/::/, $module); |
80
|
0
|
|
|
|
|
|
my $modfname = $modparts[-1]; |
81
|
|
|
|
|
|
|
|
82
|
0
|
0
|
|
|
|
|
$modfname = &DynaLoader::mod2fname(\@modparts) |
83
|
|
|
|
|
|
|
if defined &DynaLoader::mod2fname; |
84
|
|
|
|
|
|
|
|
85
|
0
|
0
|
0
|
|
|
|
if (($^O eq 'NetWare') && (length($modfname) > 8)) { |
86
|
0
|
|
|
|
|
|
$modfname = substr($modfname, 0, 8); |
87
|
|
|
|
|
|
|
} |
88
|
|
|
|
|
|
|
|
89
|
0
|
0
|
|
|
|
|
my $modpname = join((($^O eq 'MacOS') ? ':' : '/'), @modparts); |
90
|
0
|
|
|
|
|
|
my $file = $cache_key = "auto/$modpname/$modfname.$DynaLoader::dl_dlext"; |
91
|
|
|
|
|
|
|
|
92
|
0
|
0
|
|
|
|
|
if ($FullCache{$file}) { |
93
|
|
|
|
|
|
|
# TODO: understand |
94
|
0
|
|
|
|
|
|
local $DynaLoader::do_expand = 1; |
95
|
0
|
|
|
|
|
|
return $bootstrap->(@args); |
96
|
|
|
|
|
|
|
} |
97
|
|
|
|
|
|
|
|
98
|
0
|
|
|
|
|
|
my $member; |
99
|
|
|
|
|
|
|
# First, try to find things in the preferentially loaded PARs: |
100
|
0
|
0
|
|
|
|
|
$member = PAR::_find_par_internals([@PAR::PAR_INC], undef, $file, 1) |
101
|
|
|
|
|
|
|
if defined &PAR::_find_par_internals; |
102
|
|
|
|
|
|
|
|
103
|
|
|
|
|
|
|
# If that failed to find the dll, let DynaLoader (try or) throw an error |
104
|
0
|
0
|
|
|
|
|
unless ($member) { |
105
|
0
|
|
|
|
|
|
my $filename = eval { $bootstrap->(@args) }; |
|
0
|
|
|
|
|
|
|
106
|
0
|
0
|
0
|
|
|
|
return $filename if not $@ and defined $filename; |
107
|
|
|
|
|
|
|
|
108
|
|
|
|
|
|
|
# Now try the fallback pars |
109
|
0
|
0
|
|
|
|
|
$member = PAR::_find_par_internals([@PAR::PAR_INC_LAST], undef, $file, 1) |
110
|
|
|
|
|
|
|
if defined &PAR::_find_par_internals; |
111
|
|
|
|
|
|
|
|
112
|
|
|
|
|
|
|
# If that fails, let dynaloader have another go JUST to throw an error |
113
|
|
|
|
|
|
|
# While this may seem wasteful, nothing really matters once we fail to |
114
|
|
|
|
|
|
|
# load shared libraries! |
115
|
0
|
0
|
|
|
|
|
unless ($member) { |
116
|
0
|
|
|
|
|
|
return $bootstrap->(@args); |
117
|
|
|
|
|
|
|
} |
118
|
|
|
|
|
|
|
} |
119
|
|
|
|
|
|
|
|
120
|
0
|
|
|
|
|
|
$FullCache{$file} = _dl_extract($member); |
121
|
|
|
|
|
|
|
|
122
|
|
|
|
|
|
|
# Now extract all associated shared objs in the same auto/ dir |
123
|
|
|
|
|
|
|
# XXX: shouldn't this also set $FullCache{...} for those files? |
124
|
0
|
|
|
|
|
|
my $first = $member->fileName; |
125
|
0
|
|
|
|
|
|
my $path_pattern = $first; |
126
|
0
|
|
|
|
|
|
$path_pattern =~ s{[^/]*$}{}; |
127
|
0
|
0
|
|
|
|
|
if ($PAR::LastAccessedPAR) { |
128
|
0
|
|
|
|
|
|
foreach my $member ( $PAR::LastAccessedPAR->members ) { |
129
|
0
|
0
|
|
|
|
|
next if $member->isDirectory; |
130
|
|
|
|
|
|
|
|
131
|
0
|
|
|
|
|
|
my $name = $member->fileName; |
132
|
0
|
0
|
|
|
|
|
next if $name eq $first; |
133
|
0
|
0
|
|
|
|
|
next unless $name =~ m{^/?\Q$path_pattern\E\/[^/]*\.\Q$DynaLoader::dl_dlext\E[^/]*$}; |
134
|
0
|
|
|
|
|
|
$name =~ s{.*/}{}; |
135
|
0
|
|
|
|
|
|
_dl_extract($member, $name); |
136
|
|
|
|
|
|
|
} |
137
|
|
|
|
|
|
|
} |
138
|
|
|
|
|
|
|
|
139
|
0
|
|
|
|
|
|
local $DynaLoader::do_expand = 1; |
140
|
0
|
|
|
|
|
|
return $bootstrap->(@args); |
141
|
|
|
|
|
|
|
} |
142
|
|
|
|
|
|
|
|
143
|
|
|
|
|
|
|
sub _dl_extract { |
144
|
0
|
|
|
0
|
|
|
my ($member, $name) = @_; |
145
|
0
|
|
0
|
|
|
|
$name ||= $member->crc32String . ".$DynaLoader::dl_dlext"; |
146
|
|
|
|
|
|
|
|
147
|
0
|
|
0
|
|
|
|
my $filename = File::Spec->catfile($ENV{PAR_TEMP} || File::Spec->tmpdir, $name); |
148
|
0
|
|
|
|
|
|
($filename) = $filename =~ /^([\x20-\xff]+)$/; |
149
|
|
|
|
|
|
|
|
150
|
0
|
0
|
0
|
|
|
|
return $filename if -e $filename && -s _ == $member->uncompressedSize; |
151
|
|
|
|
|
|
|
|
152
|
|
|
|
|
|
|
# $filename doesn't exist or hasn't been completely extracted: |
153
|
|
|
|
|
|
|
# extract it under a temporary name that isn't likely to be used |
154
|
|
|
|
|
|
|
# by concurrent processes doing the same |
155
|
0
|
|
|
|
|
|
my $tempname = "$filename.$$"; |
156
|
0
|
0
|
|
|
|
|
$member->extractToFileNamed($tempname) == Archive::Zip::AZ_OK() |
157
|
|
|
|
|
|
|
or die "Can't extract archive member ".$member->fileName." to $tempname: $!"; |
158
|
|
|
|
|
|
|
|
159
|
|
|
|
|
|
|
# now that we have a "good" copy in $tempname, rename it to $filename; |
160
|
|
|
|
|
|
|
# if this fails (e.g. some OSes won't let you delete DLLs that are |
161
|
|
|
|
|
|
|
# in use), but $filename exists, we assume that $filename is also |
162
|
|
|
|
|
|
|
# "good": remove $tempname and return $filename |
163
|
0
|
0
|
|
|
|
|
unless (rename($tempname, $filename)) |
164
|
|
|
|
|
|
|
{ |
165
|
0
|
0
|
|
|
|
|
-e $filename or die "can't rename $tempname to $filename: $!"; |
166
|
0
|
|
|
|
|
|
unlink($tempname); |
167
|
|
|
|
|
|
|
} |
168
|
0
|
|
|
|
|
|
return $filename; |
169
|
|
|
|
|
|
|
} |
170
|
|
|
|
|
|
|
|
171
|
|
|
|
|
|
|
1; |
172
|
|
|
|
|
|
|
|
173
|
|
|
|
|
|
|
=head1 SEE ALSO |
174
|
|
|
|
|
|
|
|
175
|
|
|
|
|
|
|
L |
176
|
|
|
|
|
|
|
|
177
|
|
|
|
|
|
|
=head1 AUTHORS |
178
|
|
|
|
|
|
|
|
179
|
|
|
|
|
|
|
Audrey Tang Ecpan@audreyt.orgE |
180
|
|
|
|
|
|
|
|
181
|
|
|
|
|
|
|
You can write |
182
|
|
|
|
|
|
|
to the mailing list at Epar@perl.orgE, or send an empty mail to |
183
|
|
|
|
|
|
|
Epar-subscribe@perl.orgE to participate in the discussion. |
184
|
|
|
|
|
|
|
|
185
|
|
|
|
|
|
|
Please submit bug reports to Ebug-par@rt.cpan.orgE. |
186
|
|
|
|
|
|
|
|
187
|
|
|
|
|
|
|
=head1 COPYRIGHT |
188
|
|
|
|
|
|
|
|
189
|
|
|
|
|
|
|
Copyright 2002-2010 by Audrey Tang |
190
|
|
|
|
|
|
|
Ecpan@audreyt.orgE. |
191
|
|
|
|
|
|
|
|
192
|
|
|
|
|
|
|
Copyright 2006-2010 by Steffen Mueller |
193
|
|
|
|
|
|
|
Esmueller@cpan.orgE. |
194
|
|
|
|
|
|
|
|
195
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify it |
196
|
|
|
|
|
|
|
under the same terms as Perl itself. |
197
|
|
|
|
|
|
|
|
198
|
|
|
|
|
|
|
See F. |
199
|
|
|
|
|
|
|
|
200
|
|
|
|
|
|
|
=cut |