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package DBGp::Client::Listener; |
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1034
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use strict; |
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use warnings; |
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=head1 NAME |
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DBGp::Client::Listener - wait for incoming DBGp connections |
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=head1 SYNOPSIS |
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$listener = DBGp::Client::Listener->new( |
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port => 9000, |
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); |
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$listener->listen; |
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$connection = $listener->accept; |
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# use the methods in the DBGp::Client::Connection object |
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=head1 DESCRIPTION |
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The main entry point for L: listens for incoming |
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debugger connections and returns a L object. |
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=head1 METHODS |
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=cut |
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use IO::Socket; |
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use DBGp::Client::Connection; |
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=head2 new |
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my $listener = DBGp::Client::Listener->new(%opts); |
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Possible options are C to specify a TCP port, and C to |
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specify the path for an Unix-domain socket. |
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=cut |
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sub new { |
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my ($class, %args) = @_; |
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my $self = bless { |
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port => $args{port}, |
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path => $args{path}, |
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socket => undef, |
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}, $class; |
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die "Specify either 'port' or 'path'" unless $self->{port} || $self->{path}; |
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return $self; |
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} |
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=head2 listen |
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$listener->listen; |
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Starts listening on the endpoint specified to the constructor; |
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Cs if there is an error. |
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=cut |
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sub listen { |
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my ($self) = @_; |
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if ($self->{port}) { |
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$self->{socket} = IO::Socket::INET->new( |
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Listen => 1, |
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LocalAddr => '127.0.0.1', |
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LocalPort => $self->{port}, |
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Proto => 'tcp', |
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ReuseAddr => 1, |
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ReusePort => 1, |
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); |
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} elsif ($self->{path}) { |
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if (-S $self->{path}) { |
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unlink $self->{path} or die "Unable to unlink stale socket: $!"; |
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} |
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$self->{socket} = IO::Socket::UNIX->new( |
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Listen => 1, |
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Local => $self->{path}, |
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); |
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} |
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die "Unable to start listening: $!" unless $self->{socket}; |
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} |
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91
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=head2 accept |
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93
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my $connection = $listener->accept; |
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95
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Waits for an incoming debugger connection and returns a |
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fully-initialized L object; it calls |
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L on the connection object to |
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read and parse the initialization message. |
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100
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=cut |
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102
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sub accept { |
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my ($self) = @_; |
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my $sock = $self->{socket}->accept; |
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106
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return undef if !$sock; |
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108
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my $conn = DBGp::Client::Connection->new(socket => $sock); |
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110
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$conn->parse_init; |
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112
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return $conn; |
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} |
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115
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1; |
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__END__ |