/usr/lib/x86_64-linux-gnu/perl5/5.22/Net/DBus/Binding/PendingCall.pm is in libnet-dbus-perl 1.1.0-3build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | # -*- perl -*-
#
# Copyright (C) 2006-2011 Daniel P. Berrange
#
# This program is free software; You can redistribute it and/or modify
# it under the same terms as Perl itself. Either:
#
# a) the GNU General Public License as published by the Free
# Software Foundation; either version 2, or (at your option) any
# later version,
#
# or
#
# b) the "Artistic License"
#
# The file "COPYING" distributed along with this file provides full
# details of the terms and conditions of the two licenses.
=pod
=head1 NAME
Net::DBus::Binding::PendingCall - A handler for pending method replies
=head1 SYNOPSIS
my $call = Net::DBus::Binding::PendingCall->new(method_call => $call,
pending_call => $reply);
# Wait for completion
$call->block;
# And get the reply message
my $msg = $call->get_reply;
=head1 DESCRIPTION
This object is used when it is necessary to make asynchronous method
calls. It provides the means to be notified when the reply is finally
received.
=head1 METHODS
=over 4
=cut
package Net::DBus::Binding::PendingCall;
use 5.006;
use strict;
use warnings;
use Net::DBus;
use Net::DBus::Binding::Message::MethodReturn;
use Net::DBus::Binding::Message::Error;
=item my $call = Net::DBus::Binding::PendingCall->new(method_call => $method_call,
pending_call => $pending_call);
Creates a new pending call object, with the C<method_call> parameter
being a reference to the C<Net::DBus::Binding::Message::MethodCall>
object whose reply is being waiting for. The C<pending_call> parameter
is a reference to the raw C pending call object.
=cut
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my %params = @_;
my $self = {};
$self->{connection} = exists $params{connection} ? $params{connection} : die "connection parameter is required";
$self->{method_call} = exists $params{method_call} ? $params{method_call} : die "method_call parameter is required";
$self->{pending_call} = exists $params{pending_call} ? $params{pending_call} : die "pending_call parameter is required";
bless $self, $class;
return $self;
}
=item $call->cancel
Cancel the pending call, causing any reply that is later received
to be discarded.
=cut
sub cancel {
my $self = shift;
$self->{pending_call}->dbus_pending_call_cancel();
}
=item my $boolean = $call->get_completed
Returns a true value if the pending call has received its reply,
or a timeout has occurred.
=cut
sub get_completed {
my $self = shift;
$self->{pending_call}->dbus_pending_call_get_completed();
}
=item $call->block
Block the caller until the reply is received or a timeout
occurrs.
=cut
sub block {
my $self = shift;
$self->{pending_call}->dbus_pending_call_block();
}
=item my $msg = $call->get_reply;
Retrieves the C<Net::DBus::Binding::Message> object associated
with the complete call.
=cut
sub get_reply {
my $self = shift;
my $reply = $self->{pending_call}->_steal_reply();
my $type = $reply->dbus_message_get_type;
if ($type == &Net::DBus::Binding::Message::MESSAGE_TYPE_ERROR) {
return $self->{connection}->make_raw_message($reply);
} elsif ($type == &Net::DBus::Binding::Message::MESSAGE_TYPE_METHOD_RETURN) {
return $self->{connection}->make_raw_message($reply);
} else {
die "unknown method reply type $type";
}
}
=item $call->set_notify($coderef);
Sets a notification function to be invoked when the pending
call completes. The callback will be passed a single argument
which is this pending call object.
=cut
sub set_notify {
my $self = shift;
my $cb = shift;
$self->{pending_call}->_set_notify($cb);
}
1;
=pod
=back
=head1 AUTHOR
Daniel P. Berrange
=head1 COPYRIGHT
Copyright (C) 2006-2011 Daniel P. Berrange
=head1 SEE ALSO
L<Net::DBus::Binding::Connection>, L<Net::DBus::Binding::Message>, L<Net::DBus::ASyncReply>
=cut
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