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package IO::Buffered::HTTP; |
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use strict; |
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use warnings; |
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use Carp; |
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use base ("IO::Buffered"); |
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# FIXME: Write documentation |
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our $VERSION = '1.00'; |
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=head1 NAME |
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IO::Buffered::HTTP - HTTP buffering |
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=head1 DESCRIPTION |
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=head1 SYNOPSIS |
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=head1 METHODS |
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=over |
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=cut |
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use base "Exporter"; |
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6562
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our @EXPORT_OK = qw(); |
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=item new() |
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=cut |
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sub new { |
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my ($class, %opts) = @_; |
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croak "Option MaxSize should be a positiv integer" if $opts{MaxSize} and !( |
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$opts{MaxSize} =~ /^\d+$/ and $opts{MaxSize} > 0); |
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my %self = ( |
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maxsize => $opts{MaxSize}, |
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headeronly => (exists $opts{HeaderOnly} ? $opts{HeaderOnly} : 0), |
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buffer => '', |
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length => 0, |
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); |
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return bless \%self, (ref $class || $class); |
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} |
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=item flush($str, ...) |
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=cut |
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sub flush { |
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0
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my $self = shift; |
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$self->{buffer} = join ('', @_); |
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} |
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=item buffer() |
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=cut |
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sub buffer { |
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0
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my $self = shift; |
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return $self->{buffer}; |
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} |
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=item write($str, ...) |
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=cut |
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72
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sub write { |
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1
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my $self = shift; |
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my $str = join ('', @_); |
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if(my $maxsize = $self->{maxsize}) { |
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0
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my $length = length($str) + length($self->{buffer}); |
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if($length > $maxsize) { |
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croak "Buffer overrun"; |
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} |
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} |
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$self->{buffer} .= $str; |
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} |
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=item read() |
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=cut |
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sub read { |
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1
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my ($self, $readlength) = (@_); |
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my @records; |
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94
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# FIXME: Something is boaken |
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96
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7
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100
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$self->{length} = ($readlength or -1) if $self->{length} < 0; |
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#print "hello: $self->{length}, $readlength\n"; |
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while($self->{length} >= 0) { |
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if(my $length = $self->{length}) { |
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2
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if(length $self->{buffer} >= $length) { |
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push(@records, substr($self->{buffer}, 0, $length)); |
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substr($self->{buffer}, 0, $length) = ''; |
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$self->{length} = 0; |
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#$readlength = undef; |
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2
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100
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next if length($self->{buffer}) > 0; |
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} |
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109
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} else { |
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my $idx = index($self->{buffer}, "\r\n\r\n"); |
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# Found what could be a header |
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if($idx >= 0) { |
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my $header = substr($self->{buffer}, 0, $idx + 4);; |
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115
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5
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100
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if($self->{headeronly}) { |
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push(@records, $header); |
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substr($self->{buffer}, 0, $idx + 4) = ''; |
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$self->{length} = -1; |
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120
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} elsif($header =~ /Content-Length:\s+(\d+)/six) { |
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my $length = $1 + $idx + 4; |
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if(length $self->{buffer} >= $length) { |
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push(@records, substr($self->{buffer}, 0, $length)); |
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2
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substr($self->{buffer}, 0, $length) = ''; |
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2
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100
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next if length($self->{buffer}) > 0; |
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} else { |
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0
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$self->{length} = $length; |
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} |
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130
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} else { |
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1
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push(@records, $header); |
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substr($self->{buffer}, 0, $idx + 4) = ''; |
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next if length($self->{buffer}) > 0; |
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} |
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} |
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} |
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138
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last; |
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}; |
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141
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7
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24
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return @records; |
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} |
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144
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=item returns_last() |
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146
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=cut |
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148
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sub returns_last { |
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0
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0
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1
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return 1; |
150
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} |
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152
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=item read_last() |
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154
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=cut |
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156
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sub read_last { |
157
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1
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1
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1
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1162
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my ($self) = @_; |
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1
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4
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my @results = $self->read(); |
159
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1
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18
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push(@results, $self->{buffer}) if $self->{buffer} ne ''; |
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1
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2
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$self->{buffer} = ''; |
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1
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7
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return @results; |
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} |
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164
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=back |
165
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166
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=head1 AUTHOR |
167
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168
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Troels Liebe Bentsen |
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170
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=head1 COPYRIGHT |
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172
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Copyright(C) 2008 Troels Liebe Bentsen |
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174
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This library is free software; you can redistribute it and/or modify |
175
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it under the same terms as Perl itself. |
176
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177
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=cut |
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179
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1; |
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