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package Log::Any::Adapter::Multiplex; |
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# ABSTRACT: Adapter to use allow structured logging across other adapters |
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our $VERSION = '1.715'; |
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use Log::Any; |
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use Log::Any::Adapter; |
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use Log::Any::Adapter::Util qw(make_method); |
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use Log::Any::Manager; |
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use Log::Any::Proxy; |
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use Carp; |
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use strict; |
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use warnings; |
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use base qw(Log::Any::Adapter::Base); |
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669
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sub init { |
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my $self = shift; |
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my $adapters = $self->{adapters}; |
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if ( ( ref($adapters) ne 'HASH' ) || |
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( grep { ref($_) ne 'ARRAY' } values %$adapters ) ) { |
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Carp::croak("A list of adapters and their arguments must be provided"); |
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} |
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} |
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sub structured { |
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my ($self, $level, $category, @structured_log_args) = @_; |
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my %adapters = %{ $self->{adapters} }; |
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my $unstructured_msg; |
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for my $adapter ( $self->_get_adapters($category) ) { |
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my $is_level = "is_$level"; |
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if ($adapter->$is_level) { |
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# Very simple mimicry of Log::Any::Proxy |
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# We don't have to handle anything but the difference in |
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# non-structured interfaces |
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100
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if ($adapter->can('structured')) { |
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$adapter->structured($level, $category, @structured_log_args) |
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} |
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else { |
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if (!$unstructured_msg) { |
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$unstructured_msg = _unstructured_msg(@structured_log_args); |
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} |
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$adapter->$level($unstructured_msg); |
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} |
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} |
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} |
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} |
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sub _unstructured_msg { |
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my @structured = @_; |
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my @unstructured = @structured; |
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if ( @structured && ( ( ref $structured[-1] ) eq ref {} ) ) { |
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@unstructured = ( |
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@structured[ 0 .. $#structured - 1 ], |
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Log::Any::Proxy::_stringify_params( $structured[-1] ), |
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) |
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} |
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return join(' ' => @unstructured); |
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} |
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# Delegate detection methods to other adapters |
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# |
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foreach my $method ( Log::Any->detection_methods() ) { |
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make_method( |
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$method, |
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sub { |
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my ($self) = @_; |
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# Not using List::Util::any because it could break older perl builds |
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7
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my @logging_adaptors = grep { $_->$method } $self->_get_adapters(); |
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100
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return @logging_adaptors ? 1 : 0; |
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} |
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); |
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} |
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sub _get_adapters { |
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10
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my ($self) = @_; |
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my $category = $self->{category}; |
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# Log::Any::Manager#get_adapter has similar code |
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# But has to handle rejiggering the stack |
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# And works with one adapter at a time (instead of a list, as below) |
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# Keeping track of multiple categories here is just future-proofing. |
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# |
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10
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my $category_cache = $self->{category_cache}; |
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10
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100
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if ( !defined( $category_cache->{$category} ) ) { |
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my $new_cache = []; |
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1
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my %adapters = %{ $self->{adapters} }; |
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1
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4
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90
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1
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5
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while ( my ($adapter_name, $adapter_args) = each %adapters ) { |
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2
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my $adapter_class = Log::Any::Manager->_get_adapter_class($adapter_name); |
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2
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push @$new_cache, $adapter_class->new( |
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@$adapter_args, |
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category => $category |
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); |
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} |
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1
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4
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$self->{category_cache}{$category} = $new_cache; |
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} |
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101
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10
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return @{ $self->{category_cache}{$category} }; |
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30
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102
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} |
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104
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1; |
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__END__ |