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153 lines
3.6 KiB
Perl
153 lines
3.6 KiB
Perl
# $Id$
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################################################################
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#
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# Copyright notice
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#
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# (c) 2014 Copyright: Dr. Boris Neubert
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# e-mail: omega at online dot de
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#
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# This file is part of fhem.
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#
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# Fhem is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# Fhem is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with fhem. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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package main;
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use strict;
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use warnings;
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use IO::Socket::Multicast6;
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#####################################
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sub
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HXB_Initialize($)
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{
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my ($hash) = @_;
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my %matchlist= (
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"1:HXBDevice" => "^HX0C.+",
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);
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# Provider
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#$hash->{WriteFn} = "HXB_Write";
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$hash->{ReadFn} = "HXB_Read";
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$hash->{Clients} = ":HXBDevice:";
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$hash->{MatchList} = \%matchlist;
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#$hash->{ReadyFn} = "HXB_Ready";
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# Consumer
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$hash->{DefFn} = "HXB_Define";
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$hash->{UndefFn} = "HXB_Undef";
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#$hash->{ReadyFn} = "HXB_Ready";
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#$hash->{GetFn} = "HXB_Get";
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#$hash->{SetFn} = "HXB_Set";
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#$hash->{AttrFn} = "HXB_Attr";
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#$hash->{AttrList}= "";
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}
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#####################################
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sub
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HXB_Define($$)
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{
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my ($hash, $def) = @_;
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my $name= $hash->{NAME};
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Log3 $hash, 3, "$name: Opening multicast socket...";
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my $socket = IO::Socket::Multicast6->new(
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Domain => AF_INET6,
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Proto => 'udp',
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LocalPort => '61616',
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);
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$socket->mcast_add('FF05::205');
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$hash->{TCPDev}= $socket;
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$hash->{FD} = $socket->fileno();
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delete($readyfnlist{"$name"});
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$selectlist{"$name"} = $hash;
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return undef;
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}
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#####################################
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sub
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HXB_Undef($$)
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{
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my ($hash, $arg) = @_;
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my $socket= $hash->{TCPDev};
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$socket->mcast_drop('FF05::205');
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$socket->close;
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return undef;
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}
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#####################################
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sub
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HXB_DoInit($)
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{
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my $hash = shift;
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$hash->{STATE} = "Initialized" if(!$hash->{STATE});
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return undef;
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}
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#####################################
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# called from the global loop, when the select for hash->{FD} reports data
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sub HXB_Read($)
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{
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my ($hash) = @_;
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my $name= $hash->{NAME};
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my $socket= $hash->{TCPDev};
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my $data;
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return unless $socket->recv($data, 128);
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Log3 $hash, 5, "$name: Received " . length($data) . " bytes.";
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Dispatch($hash, $data, undef); # dispatch result to HXBDevices
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}
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#############################
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1;
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#############################
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=pod
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=item summary receive multicast messages from Hexabus devices
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=item summary_DE empfange Multicast-Nachrichten von Hexabus-Geräten
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=begin html
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<a name="HXB"></a>
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<h3>HXB</h3>
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<ul>
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<br>
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<a name="HXB"></a>
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<b>Define</b>
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<ul>
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<code>define <name> HXB</code><br>
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<br>
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Defines a Hexabus. You need one Hexabus to receive multicast messages from <a href="#HXBDevice">Hexabus devices</a>.
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Have a look at the <a href="https://github.com/mysmartgrid/hexabus/wiki">Hexabus wiki</a> for more information on Hexabus.
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<br><br>
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You need the perl modules IO::Socket::Multicast6 and Digest::CRC. Under Debian and its derivatives they are installed with <code>apt-get install libio-socket-multicast6-perl libdigest-crc-perl</code>.
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</ul>
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</ul>
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=end html
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