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package OpenTracing::Implementation; |
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366181
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use strict; |
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24
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3
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89
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4
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3
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3
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16
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use warnings; |
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3
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426
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5
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6
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our $VERSION = 'v0.33.0'; |
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sub OT_IMPLEMENTATION_NAME { |
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exists $ENV{ PERL_OPENTRACING_IMPLEMENTATION } ? |
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$ENV{ PERL_OPENTRACING_IMPLEMENTATION } : |
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exists $ENV{ OPENTRACING_IMPLEMENTATION } ? |
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$ENV{ OPENTRACING_IMPLEMENTATION } : |
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3
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100
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3
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0
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'NoOp' |
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50
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14
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} |
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sub OT_DEBUG { |
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exists $ENV{ PERL_OPENTRACING_DEBUG } ? |
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$ENV{ PERL_OPENTRACING_DEBUG } : |
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exists $ENV{ OPENTRACING_DEBUG } ? |
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$ENV{ OPENTRACING_DEBUG } : |
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exists $ENV{ DEBUG } ? |
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$ENV{ DEBUG } : |
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undef |
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0
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} |
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# |
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# it was meant to be a constant, but during test, these seem to be dynamic |
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3
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3
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1306
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use OpenTracing::GlobalTracer; |
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32940
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3
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3
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3
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221
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use Carp; |
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3
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156
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33
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3
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3
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use Module::Load; |
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3
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17
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35
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our @CARP_NOT; |
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37
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sub import { |
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3
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3
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my $package = shift; |
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3
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50
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1638
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return unless @_; |
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0
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0
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__PACKAGE__->bootstrap_global_tracer( @_ ) |
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} |
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1
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1
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1
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1804
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sub bootstrap_tracer { shift->_build_tracer( @_ ) } |
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2
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2
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1
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17394
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sub bootstrap_default_tracer { shift->_build_tracer( undef, @_ ) } |
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sub bootstrap_global_tracer { |
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1
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1
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1
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4677
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OpenTracing::GlobalTracer->set_global_tracer( shift->_build_tracer( @_ ) ); |
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1
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return OpenTracing::GlobalTracer->get_global_tracer |
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} |
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sub bootstrap_global_default_tracer { |
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1
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1
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1
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4656
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OpenTracing::GlobalTracer->set_global_tracer( shift->_build_tracer( undef, @_ ) ); |
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1
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return OpenTracing::GlobalTracer->get_global_tracer |
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} |
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58
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# _build_tracer |
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# |
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# passing undef as implementation name will cause to use the $ENV |
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# |
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sub _build_tracer { |
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5
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5
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10
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my $package = shift; |
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5
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12
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my $implementation_name = shift; |
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5
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26
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my @implementation_args = @_; |
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67
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5
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14
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my $implementation_class = |
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__PACKAGE__->_get_implementation_class( $implementation_name ); |
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70
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5
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50
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12
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carp "Loading implementation $implementation_class" |
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if OT_DEBUG; |
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73
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5
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19
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load $implementation_class; |
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75
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5
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505
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eval { load $implementation_class }; |
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5
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13
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76
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5
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50
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394
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croak "GlobalTracer can't load implementation [$implementation_class]" |
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if $@; |
78
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79
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5
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152
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my $tracer = $implementation_class->bootstrap_tracer( @implementation_args); |
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81
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5
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485
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return $tracer |
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} |
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84
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sub _get_implementation_class { |
85
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5
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5
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10
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my $class = shift; |
86
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5
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66
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22
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my $implementation_name = shift // OT_IMPLEMENTATION_NAME; |
87
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88
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5
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100
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24
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my $implementation_class = substr( $implementation_name, 0, 1) eq '+' ? |
89
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substr( $implementation_name, 1 ) |
90
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: |
91
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'OpenTracing::Implementation::' . $implementation_name; |
92
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93
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5
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10
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return $implementation_class |
94
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} |
95
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96
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1; |