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package Serengeti; |
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149382
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use strict; |
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use warnings; |
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use Carp qw(croak); |
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use File::Spec; |
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use Serengeti::Context; |
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use Serengeti::NotificationCenter; |
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use Serengeti::Notifications; |
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use Serengeti::Session; |
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our $VERSION = "0.00"; |
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our $DefaultBackend = "Serengeti::Backend::Native"; |
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use accessors::ro qw(context); |
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sub new { |
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my ($pkg, $args) = @_; |
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# This is what performs the actual requests and data extracion |
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my $backend = $args->{backend} || $DefaultBackend; |
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unless ($backend =~ /^Serengeti::Backend::/) { |
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$backend = "Serengeti::Backend::${backend}"; |
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} |
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my $context = Serengeti::Context->new({ |
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backend => $backend |
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}); |
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my $session_dir = $args->{session_dir} || File::Spec->tmpdir; |
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if (-e $session_dir) { |
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# Check that it's valid and writeable |
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} |
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else { |
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mkpath($session_dir); |
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} |
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my $self = bless { |
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context => $context, |
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session_dir => $session_dir, |
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}, $pkg; |
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return $self; |
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} |
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sub load { |
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my ($self, $file) = @_; |
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$self->context->load($file); |
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} |
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sub eval { |
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my ($self, $source) = @_; |
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my (undef, $filename, $lineno) = caller; |
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$self->context->eval($source, $filename, $lineno); |
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} |
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sub perform { |
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my ($self, $action, $args) = @_; |
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unless ($self->context->has_action($action)) { |
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croak "Don't know how to perform '$action'"; |
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} |
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return $self->context->invoke_action($action, $args); |
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} |
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sub new_session { |
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my ($self, $name) = @_; |
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my $session = Serengeti::Session->new({ |
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name => $name, |
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}) |
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} |
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sub session { |
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my $self = shift; |
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return $self->{session} if $self->{session}; |
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$self->{session} = Serengeti::Session->new(); |
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# Notify context we have a new session |
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Serengeti::NotificationCenter->post_notification( |
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$self, |
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NEW_SESSION_NOTIFICATION, |
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$self->session, |
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$self->context, |
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); |
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return $self->session; |
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} |
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sub register_data_request { |
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my ($self, $name, $callback) = @_; |
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$self->context->register_callback($name => $callback); |
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} |
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1; |
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__END__ |