Filename | /home/ss5/perl5/perlbrew/perls/perl-5.22.0/lib/5.22.0/IO/Uncompress/Inflate.pm |
Statements | Executed 24 statements in 579µs |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
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1 | 1 | 1 | 754µs | 5.66ms | BEGIN@11 | IO::Uncompress::Inflate::
1 | 1 | 1 | 9µs | 10µs | BEGIN@4 | IO::Uncompress::Inflate::
1 | 1 | 1 | 7µs | 66µs | BEGIN@9 | IO::Uncompress::Inflate::
1 | 1 | 1 | 7µs | 70µs | BEGIN@8 | IO::Uncompress::Inflate::
1 | 1 | 1 | 4µs | 5µs | BEGIN@6 | IO::Uncompress::Inflate::
1 | 1 | 1 | 4µs | 7µs | BEGIN@5 | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | _readDeflateHeader | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | bits | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | chkTrailer | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | ckMagic | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | ckParams | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | getExtraParams | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | inflate | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | isZlibMagic | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | new | IO::Uncompress::Inflate::
0 | 0 | 0 | 0s | 0s | readHeader | IO::Uncompress::Inflate::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
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1 | package IO::Uncompress::Inflate ; | ||||
2 | # for RFC1950 | ||||
3 | |||||
4 | 2 | 15µs | 2 | 12µs | # spent 10µs (9+2) within IO::Uncompress::Inflate::BEGIN@4 which was called:
# once (9µs+2µs) by Search::Elasticsearch::Role::Cxn::BEGIN@9 at line 4 # spent 10µs making 1 call to IO::Uncompress::Inflate::BEGIN@4
# spent 2µs making 1 call to strict::import |
5 | 2 | 12µs | 2 | 10µs | # spent 7µs (4+3) within IO::Uncompress::Inflate::BEGIN@5 which was called:
# once (4µs+3µs) by Search::Elasticsearch::Role::Cxn::BEGIN@9 at line 5 # spent 7µs making 1 call to IO::Uncompress::Inflate::BEGIN@5
# spent 3µs making 1 call to warnings::import |
6 | 2 | 15µs | 2 | 6µs | # spent 5µs (4+700ns) within IO::Uncompress::Inflate::BEGIN@6 which was called:
# once (4µs+700ns) by Search::Elasticsearch::Role::Cxn::BEGIN@9 at line 6 # spent 5µs making 1 call to IO::Uncompress::Inflate::BEGIN@6
# spent 700ns making 1 call to bytes::import |
7 | |||||
8 | 3 | 26µs | 3 | 133µs | # spent 70µs (7+63) within IO::Uncompress::Inflate::BEGIN@8 which was called:
# once (7µs+63µs) by Search::Elasticsearch::Role::Cxn::BEGIN@9 at line 8 # spent 70µs making 1 call to IO::Uncompress::Inflate::BEGIN@8
# spent 58µs making 1 call to Exporter::import
# spent 5µs making 1 call to UNIVERSAL::VERSION |
9 | 3 | 34µs | 3 | 124µs | # spent 66µs (7+58) within IO::Uncompress::Inflate::BEGIN@9 which was called:
# once (7µs+58µs) by Search::Elasticsearch::Role::Cxn::BEGIN@9 at line 9 # spent 66µs making 1 call to IO::Uncompress::Inflate::BEGIN@9
# spent 54µs making 1 call to Exporter::import
# spent 4µs making 1 call to UNIVERSAL::VERSION |
10 | |||||
11 | 3 | 463µs | 3 | 5.67ms | # spent 5.66ms (754µs+4.90) within IO::Uncompress::Inflate::BEGIN@11 which was called:
# once (754µs+4.90ms) by Search::Elasticsearch::Role::Cxn::BEGIN@9 at line 11 # spent 5.66ms making 1 call to IO::Uncompress::Inflate::BEGIN@11
# spent 11µs making 1 call to Exporter::import
# spent 5µs making 1 call to UNIVERSAL::VERSION |
12 | |||||
13 | 1 | 300ns | require Exporter ; | ||
14 | our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $InflateError); | ||||
15 | |||||
16 | 1 | 100ns | $VERSION = '2.068'; | ||
17 | 1 | 100ns | $InflateError = ''; | ||
18 | |||||
19 | 1 | 7µs | @ISA = qw( Exporter IO::Uncompress::RawInflate ); | ||
20 | 1 | 400ns | @EXPORT_OK = qw( $InflateError inflate ) ; | ||
21 | 1 | 600ns | %EXPORT_TAGS = %IO::Uncompress::RawInflate::DEFLATE_CONSTANTS ; | ||
22 | 1 | 800ns | push @{ $EXPORT_TAGS{all} }, @EXPORT_OK ; | ||
23 | 1 | 2µs | 1 | 12µs | Exporter::export_ok_tags('all'); # spent 12µs making 1 call to Exporter::export_ok_tags |
24 | |||||
25 | |||||
26 | sub new | ||||
27 | { | ||||
28 | my $class = shift ; | ||||
29 | my $obj = IO::Compress::Base::Common::createSelfTiedObject($class, \$InflateError); | ||||
30 | |||||
31 | $obj->_create(undef, 0, @_); | ||||
32 | } | ||||
33 | |||||
34 | sub inflate | ||||
35 | { | ||||
36 | my $obj = IO::Compress::Base::Common::createSelfTiedObject(undef, \$InflateError); | ||||
37 | return $obj->_inf(@_); | ||||
38 | } | ||||
39 | |||||
40 | sub getExtraParams | ||||
41 | { | ||||
42 | return (); | ||||
43 | } | ||||
44 | |||||
45 | sub ckParams | ||||
46 | { | ||||
47 | my $self = shift ; | ||||
48 | my $got = shift ; | ||||
49 | |||||
50 | # gunzip always needs adler32 | ||||
51 | $got->setValue('adler32' => 1); | ||||
52 | |||||
53 | return 1; | ||||
54 | } | ||||
55 | |||||
56 | sub ckMagic | ||||
57 | { | ||||
58 | my $self = shift; | ||||
59 | |||||
60 | my $magic ; | ||||
61 | $self->smartReadExact(\$magic, ZLIB_HEADER_SIZE); | ||||
62 | |||||
63 | *$self->{HeaderPending} = $magic ; | ||||
64 | |||||
65 | return $self->HeaderError("Header size is " . | ||||
66 | ZLIB_HEADER_SIZE . " bytes") | ||||
67 | if length $magic != ZLIB_HEADER_SIZE; | ||||
68 | |||||
69 | #return $self->HeaderError("CRC mismatch.") | ||||
70 | return undef | ||||
71 | if ! $self->isZlibMagic($magic) ; | ||||
72 | |||||
73 | *$self->{Type} = 'rfc1950'; | ||||
74 | return $magic; | ||||
75 | } | ||||
76 | |||||
77 | sub readHeader | ||||
78 | { | ||||
79 | my $self = shift; | ||||
80 | my $magic = shift ; | ||||
81 | |||||
82 | return $self->_readDeflateHeader($magic) ; | ||||
83 | } | ||||
84 | |||||
85 | sub chkTrailer | ||||
86 | { | ||||
87 | my $self = shift; | ||||
88 | my $trailer = shift; | ||||
89 | |||||
90 | my $ADLER32 = unpack("N", $trailer) ; | ||||
91 | *$self->{Info}{ADLER32} = $ADLER32; | ||||
92 | return $self->TrailerError("CRC mismatch") | ||||
93 | if *$self->{Strict} && $ADLER32 != *$self->{Uncomp}->adler32() ; | ||||
94 | |||||
95 | return STATUS_OK; | ||||
96 | } | ||||
97 | |||||
- - | |||||
100 | sub isZlibMagic | ||||
101 | { | ||||
102 | my $self = shift; | ||||
103 | my $buffer = shift ; | ||||
104 | |||||
105 | return 0 | ||||
106 | if length $buffer < ZLIB_HEADER_SIZE ; | ||||
107 | |||||
108 | my $hdr = unpack("n", $buffer) ; | ||||
109 | #return 0 if $hdr % 31 != 0 ; | ||||
110 | return $self->HeaderError("CRC mismatch.") | ||||
111 | if $hdr % 31 != 0 ; | ||||
112 | |||||
113 | my ($CMF, $FLG) = unpack "C C", $buffer; | ||||
114 | my $cm = bits($CMF, ZLIB_CMF_CM_OFFSET, ZLIB_CMF_CM_BITS) ; | ||||
115 | |||||
116 | # Only Deflate supported | ||||
117 | return $self->HeaderError("Not Deflate (CM is $cm)") | ||||
118 | if $cm != ZLIB_CMF_CM_DEFLATED ; | ||||
119 | |||||
120 | # Max window value is 7 for Deflate. | ||||
121 | my $cinfo = bits($CMF, ZLIB_CMF_CINFO_OFFSET, ZLIB_CMF_CINFO_BITS) ; | ||||
122 | return $self->HeaderError("CINFO > " . ZLIB_CMF_CINFO_MAX . | ||||
123 | " (CINFO is $cinfo)") | ||||
124 | if $cinfo > ZLIB_CMF_CINFO_MAX ; | ||||
125 | |||||
126 | return 1; | ||||
127 | } | ||||
128 | |||||
129 | sub bits | ||||
130 | { | ||||
131 | my $data = shift ; | ||||
132 | my $offset = shift ; | ||||
133 | my $mask = shift ; | ||||
134 | |||||
135 | ($data >> $offset ) & $mask & 0xFF ; | ||||
136 | } | ||||
137 | |||||
138 | |||||
139 | sub _readDeflateHeader | ||||
140 | { | ||||
141 | my ($self, $buffer) = @_ ; | ||||
142 | |||||
143 | # if (! $buffer) { | ||||
144 | # $self->smartReadExact(\$buffer, ZLIB_HEADER_SIZE); | ||||
145 | # | ||||
146 | # *$self->{HeaderPending} = $buffer ; | ||||
147 | # | ||||
148 | # return $self->HeaderError("Header size is " . | ||||
149 | # ZLIB_HEADER_SIZE . " bytes") | ||||
150 | # if length $buffer != ZLIB_HEADER_SIZE; | ||||
151 | # | ||||
152 | # return $self->HeaderError("CRC mismatch.") | ||||
153 | # if ! isZlibMagic($buffer) ; | ||||
154 | # } | ||||
155 | |||||
156 | my ($CMF, $FLG) = unpack "C C", $buffer; | ||||
157 | my $FDICT = bits($FLG, ZLIB_FLG_FDICT_OFFSET, ZLIB_FLG_FDICT_BITS ), | ||||
158 | |||||
159 | my $cm = bits($CMF, ZLIB_CMF_CM_OFFSET, ZLIB_CMF_CM_BITS) ; | ||||
160 | $cm == ZLIB_CMF_CM_DEFLATED | ||||
161 | or return $self->HeaderError("Not Deflate (CM is $cm)") ; | ||||
162 | |||||
163 | my $DICTID; | ||||
164 | if ($FDICT) { | ||||
165 | $self->smartReadExact(\$buffer, ZLIB_FDICT_SIZE) | ||||
166 | or return $self->TruncatedHeader("FDICT"); | ||||
167 | |||||
168 | $DICTID = unpack("N", $buffer) ; | ||||
169 | } | ||||
170 | |||||
171 | *$self->{Type} = 'rfc1950'; | ||||
172 | |||||
173 | return { | ||||
174 | 'Type' => 'rfc1950', | ||||
175 | 'FingerprintLength' => ZLIB_HEADER_SIZE, | ||||
176 | 'HeaderLength' => ZLIB_HEADER_SIZE, | ||||
177 | 'TrailerLength' => ZLIB_TRAILER_SIZE, | ||||
178 | 'Header' => $buffer, | ||||
179 | |||||
180 | CMF => $CMF , | ||||
181 | CM => bits($CMF, ZLIB_CMF_CM_OFFSET, ZLIB_CMF_CM_BITS ), | ||||
182 | CINFO => bits($CMF, ZLIB_CMF_CINFO_OFFSET, ZLIB_CMF_CINFO_BITS ), | ||||
183 | FLG => $FLG , | ||||
184 | FCHECK => bits($FLG, ZLIB_FLG_FCHECK_OFFSET, ZLIB_FLG_FCHECK_BITS), | ||||
185 | FDICT => bits($FLG, ZLIB_FLG_FDICT_OFFSET, ZLIB_FLG_FDICT_BITS ), | ||||
186 | FLEVEL => bits($FLG, ZLIB_FLG_LEVEL_OFFSET, ZLIB_FLG_LEVEL_BITS ), | ||||
187 | DICTID => $DICTID , | ||||
188 | |||||
189 | }; | ||||
190 | } | ||||
191 | |||||
- - | |||||
195 | 1 | 5µs | 1 ; | ||
196 | |||||
197 | __END__ |