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b8efb334f8
git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@12293 2b470e98-0d58-463d-a4d8-8e2adae1ed80
532 lines
20 KiB
Perl
532 lines
20 KiB
Perl
#########################################################################
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# $Id$
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# fhem Modul which provides traffic details with Google Distance API
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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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# Changelog:
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#
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# 2016-07-26 initial release
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# 2016-07-28 added eta, readings in minutes
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# 2016-08-01 changed JSON decoding/encofing, added stateReading attribute, added outputReadings attribute
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# 2016-08-02 added attribute includeReturn, round minutes & smart zero'ing, avoid negative values, added update burst
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# 2016-08-05 fixed 3 perl warnings
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# 2016-08-09 added auto-update if status returns UNKOWN_ERROR, added outputReading average
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# 2016-09-25 bugfix Blocking, improved errormessage
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# 2016-10-07 version 1.0, adding to SVN
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package main;
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use strict;
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use warnings;
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use Time::HiRes qw(gettimeofday);
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use Data::Dumper;
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use LWP::Simple qw($ua get);
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use JSON;
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use POSIX;
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use Blocking;
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sub TRAFFIC_Initialize($);
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sub TRAFFIC_Define($$);
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sub TRAFFIC_Undef($$);
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sub TRAFFIC_Set($@);
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sub TRAFFIC_Attr(@);
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sub TRAFFIC_GetUpdate($);
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my %TRcmds = (
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'update' => 'noArg',
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);
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my $TRVersion = '1.0';
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sub TRAFFIC_Initialize($){
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my ($hash) = @_;
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$hash->{DefFn} = "TRAFFIC_Define";
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$hash->{UndefFn} = "TRAFFIC_Undef";
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$hash->{SetFn} = "TRAFFIC_Set";
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$hash->{AttrFn} = "TRAFFIC_Attr";
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$hash->{AttrList} =
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"disable:0,1 start_address end_address raw_data:0,1 language waypoints stateReading outputReadings includeReturn:0,1 " .
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$readingFnAttributes;
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}
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sub TRAFFIC_Define($$){
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my ($hash, $allDefs) = @_;
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my @deflines = split('\n',$allDefs);
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my @apiDefs = split('[ \t]+', shift @deflines);
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if(int(@apiDefs) < 3) {
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return "too few parameters: 'define <name> TRAFFIC <APIKEY>'";
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}
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$hash->{NAME} = $apiDefs[0];
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$hash->{APIKEY} = $apiDefs[2];
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$hash->{VERSION} = $TRVersion;
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my $name = $hash->{NAME};
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#clear all readings
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foreach my $clearReading ( keys %{$hash->{READINGS}}){
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Log3 $hash, 5, "TRAFFIC: ($name) READING: $clearReading deleted";
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delete($hash->{READINGS}{$clearReading});
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}
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# basic update interval
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if(scalar(@apiDefs) > 3 && $apiDefs[3] =~ m/^\d+$/){
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$hash->{Interval} = $apiDefs[3];
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}else{
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$hash->{Interval} = 3600;
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}
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Log3 $hash, 3, "TRAFFIC: ($name) defined ".$hash->{NAME}.' with interval set to '.$hash->{Interval};
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# put in default verbose level
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$attr{$name}{"verbose"} = 1 if !$attr{$name}{"verbose"};
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$attr{$name}{"outputReadings"} = "text" if !$attr{$name}{"outputReadings"};
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readingsSingleUpdate( $hash, "state", "Initialized", 1 );
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my $firstTrigger = gettimeofday() + 2;
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$hash->{TRIGGERTIME} = $firstTrigger;
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$hash->{TRIGGERTIME_FMT} = FmtDateTime($firstTrigger);
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RemoveInternalTimer($hash);
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InternalTimer($firstTrigger, "TRAFFIC_StartUpdate", $hash, 0);
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Log3 $hash, 5, "TRAFFIC: ($name) InternalTimer set to call GetUpdate in 2 seconds for the first time";
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return undef;
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}
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sub TRAFFIC_Undef($$){
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my ( $hash, $arg ) = @_;
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RemoveInternalTimer ($hash);
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return undef;
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}
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#
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# Attr command
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#########################################################################
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sub TRAFFIC_Attr(@){
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my ($cmd,$name,$attrName,$attrValue) = @_;
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# $cmd can be "del" or "set"
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# $name is device name
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my $hash = $defs{$name};
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if ($cmd eq "set") {
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addToDevAttrList($name, $attrName);
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Log3 $hash, 3, "TRAFFIC: ($name) attrName $attrName set to attrValue $attrValue";
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}
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if($attrName eq "disable" && $attrValue eq "1"){
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readingsSingleUpdate( $hash, "state", "disabled", 1 );
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}
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if($attrName eq "outputReadings" || $attrName eq "includeReturn"){
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#clear all readings
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foreach my $clearReading ( keys %{$hash->{READINGS}}){
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Log3 $hash, 5, "TRAFFIC: ($name) READING: $clearReading deleted";
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delete($hash->{READINGS}{$clearReading});
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}
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# start update
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InternalTimer(gettimeofday() + 1, "TRAFFIC_StartUpdate", $hash, 0);
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}
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return undef;
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}
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sub TRAFFIC_Set($@){
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my ($hash, @param) = @_;
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return "\"set <TRAFFIC>\" needs at least one argument: \n".join(" ",keys %TRcmds) if (int(@param) < 2);
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my $name = shift @param;
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my $set = shift @param;
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$hash->{VERSION} = $TRVersion if $hash->{VERSION} != $TRVersion;
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if(AttrVal($name, "disable", 0 ) == 1){
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readingsSingleUpdate( $hash, "state", "disabled", 1 );
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Log3 $hash, 3, "TRAFFIC: ($name) is disabled, $set not set!";
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return undef;
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}else{
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Log3 $hash, 5, "TRAFFIC: ($name) set $name $set";
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}
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my $validCmds = join("|",keys %TRcmds);
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if($set !~ m/$validCmds/ ) {
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return join(' ', keys %TRcmds);
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}elsif($set =~ m/update/){
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Log3 $hash, 5, "TRAFFIC: ($name) update command recieved";
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# if update burst ist specified
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if( (my $burstCount = shift @param) && (my $burstInterval = shift @param)){
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Log3 $hash, 5, "TRAFFIC: ($name) update burst is set to $burstCount $burstInterval";
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$hash->{BURSTCOUNT} = $burstCount;
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$hash->{BURSTINTERVAL} = $burstInterval;
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}else{
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Log3 $hash, 5, "TRAFFIC: ($name) no update burst set";
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}
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# update internal timer and update NOW
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my $updateTrigger = gettimeofday() + 1;
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$hash->{TRIGGERTIME} = $updateTrigger;
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$hash->{TRIGGERTIME_FMT} = FmtDateTime($updateTrigger);
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RemoveInternalTimer($hash);
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# start update
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InternalTimer($updateTrigger, "TRAFFIC_StartUpdate", $hash, 0);
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return undef;
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}
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}
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sub TRAFFIC_StartUpdate($){
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my ( $hash ) = @_;
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my $name = $hash->{NAME};
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if(AttrVal($name, "disable", 0 ) == 1){
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RemoveInternalTimer ($hash);
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Log3 $hash, 3, "TRAFFIC: ($name) is disabled";
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return undef;
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}
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if ( $hash->{Interval}) {
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RemoveInternalTimer ($hash);
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my $nextTrigger = gettimeofday() + $hash->{Interval};
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if(defined($hash->{BURSTCOUNT}) && $hash->{BURSTCOUNT} > 0){
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$nextTrigger = gettimeofday() + $hash->{BURSTINTERVAL};
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$hash->{BURSTCOUNT}--;
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}elsif(defined($hash->{BURSTCOUNT}) && $hash->{BURSTCOUNT} == 0){
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delete($hash->{BURSTCOUNT});
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delete($hash->{BURSTINTERVAL});
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}
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$hash->{TRIGGERTIME} = $nextTrigger;
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$hash->{TRIGGERTIME_FMT} = FmtDateTime($nextTrigger);
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InternalTimer($nextTrigger, "TRAFFIC_StartUpdate", $hash, 0);
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Log3 $hash, 3, "TRAFFIC: ($name) internal interval timer set to call StartUpdate again in " . int($hash->{Interval}). " seconds";
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}
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if(defined(AttrVal($name, "start_address", undef )) && defined(AttrVal($name, "end_address", undef ))){
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BlockingCall("TRAFFIC_DoUpdate",$hash->{NAME}.';;;normal',"TRAFFIC_FinishUpdate",60,"TRAFFIC_AbortUpdate",$hash);
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if(defined(AttrVal($name, "includeReturn", undef )) && AttrVal($name, "includeReturn", undef ) eq 1){
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BlockingCall("TRAFFIC_DoUpdate",$hash->{NAME}.';;;return',"TRAFFIC_FinishUpdate",60,"TRAFFIC_AbortUpdate",$hash);
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}
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}else{
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readingsSingleUpdate( $hash, "state", "incomplete configuration", 1 );
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Log3 $hash, 1, "TRAFFIC: ($name) is not configured correctly, please add start_address and end_address";
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}
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}
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sub TRAFFIC_AbortUpdate($){
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}
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sub TRAFFIC_DoUpdate(){
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my ($string) = @_;
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my ($hName, $direction) = split(";;;", $string); # direction is normal or return
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my $hash = $defs{$hName};
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my $dotrigger = 1;
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my $name = $hash->{NAME};
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my ($sec,$min,$hour,$dayn,$month,$year,$wday,$yday,$isdst) = localtime(time);
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Log3 $hash, 3, "TRAFFIC: ($name) TRAFFIC_DoUpdate start";
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if ( $hash->{Interval}) {
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RemoveInternalTimer ($hash);
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my $nextTrigger = gettimeofday() + $hash->{Interval};
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$hash->{TRIGGERTIME} = $nextTrigger;
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$hash->{TRIGGERTIME_FMT} = FmtDateTime($nextTrigger);
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InternalTimer($nextTrigger, "TRAFFIC_DoUpdate", $hash, 0);
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Log3 $hash, 3, "TRAFFIC: ($name) internal interval timer set to call GetUpdate again in " . int($hash->{Interval}). " seconds";
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}
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my $returnJSON;
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my $TRlanguage = '';
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if(defined(AttrVal($name,"language",undef))){
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$TRlanguage = '&language='.AttrVal($name,"language","");
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}else{
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Log3 $hash, 5, "TRAFFIC: ($name) no language specified";
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}
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my $TRwaypoints = '';
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if(defined(AttrVal($name,"waypoints",undef))){
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$TRwaypoints = '&waypoints=via:' . join('|via:', split('\|', AttrVal($name,"waypoints",undef)));
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if($direction eq "return"){
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$TRwaypoints = '&waypoints=via:' . join('|via:', reverse split('\|', AttrVal($name,"waypoints",undef)));
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Log3 $hash, 5, "TRAFFIC: ($name) reversing waypoints";
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}
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}else{
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Log3 $hash, 5, "TRAFFIC: ($name) no waypoints specified";
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}
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my $origin = AttrVal($name, "start_address", 0 );
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my $destination = AttrVal($name, "end_address", 0 );
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if($direction eq "return"){
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$origin = AttrVal($name, "end_address", 0 );
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$destination = AttrVal($name, "start_address", 0 );
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}
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my $url = 'https://maps.googleapis.com/maps/api/directions/json?origin='.$origin.'&destination='.$destination.'&mode=driving'.$TRlanguage.'&departure_time=now'.$TRwaypoints.'&key='.$hash->{APIKEY};
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Log3 $hash, 2, "TRAFFIC: ($name) using $url";
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my $ua = LWP::UserAgent->new( ssl_opts => { verify_hostname => 0 } );
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$ua->default_header("HTTP_REFERER" => "www.google.de");
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my $body = $ua->get($url);
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my $json = decode_json($body->decoded_content);
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my $duration_sec = $json->{'routes'}[0]->{'legs'}[0]->{'duration'}->{'value'} ;
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my $duration_in_traffic_sec = $json->{'routes'}[0]->{'legs'}[0]->{'duration_in_traffic'}->{'value'};
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$returnJSON->{'duration'} = $json->{'routes'}[0]->{'legs'}[0]->{'duration'}->{'text'} if AttrVal($name, "outputReadings", "" ) =~ m/text/;
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$returnJSON->{'duration_in_traffic'} = $json->{'routes'}[0]->{'legs'}[0]->{'duration_in_traffic'}->{'text'} if AttrVal($name, "outputReadings", "" ) =~ m/text/;
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$returnJSON->{'distance'} = $json->{'routes'}[0]->{'legs'}[0]->{'distance'}->{'text'} if AttrVal($name, "outputReadings", "" ) =~ m/text/;
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$returnJSON->{'state'} = $json->{'status'};
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$returnJSON->{'status'} = $json->{'status'};
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$returnJSON->{'eta'} = FmtTime( gettimeofday() + $duration_in_traffic_sec );
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if($duration_in_traffic_sec && $duration_sec){
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$returnJSON->{'delay'} = prettySeconds($duration_in_traffic_sec - $duration_sec) if AttrVal($name, "outputReadings", "" ) =~ m/text/;
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Log3 $hash, 3, "TRAFFIC: ($name) delay in seconds = $duration_in_traffic_sec - $duration_sec";
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$returnJSON->{'delay_min'} = int($duration_in_traffic_sec - $duration_sec) if AttrVal($name, "outputReadings", "" ) =~ m/min/;
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if(defined($returnJSON->{'delay_min'})){
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if( ( $returnJSON->{'delay_min'} && $returnJSON->{'delay_min'} =~ m/^-/ ) || $returnJSON->{'delay_min'} < 60){
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Log3 $hash, 5, "TRAFFIC: ($name) delay_min was negative or less than 1min (".$returnJSON->{'delay_min'}."), set to 0";
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$returnJSON->{'delay_min'} = 0;
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}else{
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$returnJSON->{'delay_min'} = int($returnJSON->{'delay_min'} / 60 + 0.5); #divide 60 and round
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}
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}
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}else{
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Log3 $hash, 1, "TRAFFIC: ($name) did not receive duration_in_traffic, not able to calculate delay";
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}
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# condition based values
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$returnJSON->{'error_message'} = $json->{'error_message'} if $json->{'error_message'};
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# output readings
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$returnJSON->{'duration_min'} = int($duration_sec / 60 + 0.5) if AttrVal($name, "outputReadings", "" ) =~ m/min/;
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$returnJSON->{'duration_in_traffic_min'} = int($duration_in_traffic_sec / 60 + 0.5) if AttrVal($name, "outputReadings", "" ) =~ m/min/;
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$returnJSON->{'duration_sec'} = $duration_sec if AttrVal($name, "outputReadings", "" ) =~ m/sec/;
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$returnJSON->{'duration_in_traffic_sec'} = $duration_in_traffic_sec if AttrVal($name, "outputReadings", "" ) =~ m/sec/;
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# raw data (seconds)
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$returnJSON->{'distance'} = $json->{'routes'}[0]->{'legs'}[0]->{'distance'}->{'value'} if AttrVal($name, "raw_data", 0);
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# average readings
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if(AttrVal($name, "outputReadings", "" ) =~ m/average/){
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# calc average
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$returnJSON->{'average_duration_min'} = int($hash->{READINGS}{'average_duration_min'}{VAL} + $returnJSON->{'duration_min'}) / 2 if $returnJSON->{'duration_min'};
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$returnJSON->{'average_duration_in_traffic_min'} = int($hash->{READINGS}{'average_duration_in_traffic_min'}{VAL} + $returnJSON->{'duration_in_traffic_min'}) / 2 if $returnJSON->{'duration_in_traffic_min'};
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$returnJSON->{'average_delay_min'} = int($hash->{READINGS}{'average_delay_min'}{VAL} + $returnJSON->{'delay_min'}) / 2 if $returnJSON->{'delay_min'};
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# override if this is the first average
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$returnJSON->{'average_duration_min'} = $returnJSON->{'duration_min'} if !$hash->{READINGS}{'average_duration_min'}{VAL};
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$returnJSON->{'average_duration_in_traffic_min'} = $returnJSON->{'duration_in_traffic_min'} if !$hash->{READINGS}{'average_duration_in_traffic_min'}{VAL};
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$returnJSON->{'average_delay_min'} = $returnJSON->{'delay_min'} if !$hash->{READINGS}{'average_delay_min'}{VAL};
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}
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Log3 $hash, 5, "TRAFFIC: ($name) returning from TRAFFIC_DoUpdate: ".encode_json($returnJSON);
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Log3 $hash, 3, "TRAFFIC: ($name) TRAFFIC_DoUpdate done";
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return "$name;;;$direction;;;".encode_json($returnJSON);
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}
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sub TRAFFIC_FinishUpdate($){
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my ($name,$direction,$rawJson) = split(/;;;/,shift);
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my $hash = $defs{$name};
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my %sensors;
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my $dotrigger = 1;
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Log3 $hash, 3, "TRAFFIC: ($name) TRAFFIC_FinishUpdate start";
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my $json = decode_json($rawJson);
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readingsBeginUpdate($hash);
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foreach my $readingName (keys %{$json}){
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Log3 $hash, 3, "TRAFFIC: ($name) ReadingsUpdate: $readingName - ".$json->{$readingName};
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if($direction eq 'return'){
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readingsBulkUpdate($hash,'return_'.$readingName,$json->{$readingName});
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}else{
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readingsBulkUpdate($hash,$readingName,$json->{$readingName});
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}
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}
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if($json->{'status'} eq 'UNKNOWN_ERROR'){ # UNKNOWN_ERROR indicates a directions request could not be processed due to a server error. The request may succeed if you try again.
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InternalTimer(gettimeofday() + 3, "TRAFFIC_StartUpdate", $hash, 0);
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}
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if(my $stateReading = AttrVal($name,"stateReading",undef)){
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Log3 $hash, 5, "TRAFFIC: ($name) stateReading defined, override state";
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if(!$json->{$stateReading}){
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Log3 $hash, 1, "TRAFFIC: ($name) stateReading $stateReading not found";
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}else{
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readingsBulkUpdate($hash,'state',$json->{$stateReading});
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}
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}
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readingsEndUpdate($hash, $dotrigger);
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Log3 $hash, 3, "TRAFFIC: ($name) TRAFFIC_FinishUpdate done";
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}
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sub prettySeconds {
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my $time = shift;
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if($time =~ m/^-/){
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return "0 min";
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}
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my $days = int($time / 86400);
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$time -= ($days * 86400);
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my $hours = int($time / 3600);
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$time -= ($hours * 3600);
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my $minutes = int($time / 60);
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my $seconds = $time % 60;
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$days = $days < 1 ? '' : $days .' days ';
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$hours = $hours < 1 ? '' : $hours .' hours ';
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$minutes = $minutes < 1 ? '' : $minutes . ' min ';
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$time = $days . $hours . $minutes;
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if(!$time){
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return "0 min";
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}else{
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return $time;
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}
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}
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1;
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#======================================================================
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#======================================================================
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#
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# HTML Documentation for help and commandref
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#
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#======================================================================
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#======================================================================
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=pod
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=item device
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=item summary provide traffic details with Google Distance API
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=item summary_DE stellt Verkehrsdaten mittels Google Distance API bereit
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=begin html
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<a name="TRAFFIC"></a>
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<h3>TRAFFIC</h3>
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<ul>
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<u><b>TRAFFIC - google maps directions module</b></u>
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<br>
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<br>
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This FHEM module collects and displays data obtained via the google maps directions api<br>
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requirements:<br>
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perl JSON module<br>
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perl LWP::SIMPLE module<br>
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Google maps API key<br>
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<br>
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<b>Features:</b>
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<br>
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<ul>
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<li>get distance between start and end location</li>
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<li>get travel time for route</li>
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<li>get travel time in traffic for route</li>
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<li>define additional waypoints</li>
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<li>calculate delay between travel-time and travel-time-in-traffic</li>
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<li>choose default language</li>
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<li>disable the device</li>
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<li>5 log levels</li>
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<li>get outputs in seconds / meter (raw_data)</li>
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<li>state of google maps returned in error reading (i.e. The provided API key is invalid)</li>
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<li>customize update interval (default 3600 seconds)</li>
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<li>calculate ETA with localtime and delay</li>
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<li>configure the output readings with attribute outputReadings, text, min sec</li>
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<li>configure the state-reading </li>
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<li>optionally display the same route in return</li>
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<li>one-time-burst, specify the amount and interval between updates</li>
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</ul>
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<br>
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<br>
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<a name="TRAFFICdefine"></a>
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<b>Define:</b>
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<ul><br>
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<code>define <name> TRAFFIC <YOUR-API-KEY> [UPDATE-INTERVAL]</code>
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<br><br>
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example:<br>
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<code>define muc2berlin TRAFFIC ABCDEFGHIJKLMNOPQRSTVWYZ 600</code><br>
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</ul>
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<br>
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<br>
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<b>Attributes:</b>
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<ul>
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<li>"start_address" - Street, zipcode City <b>(mandatory)</b></li>
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<li>"end_address" - Street, zipcode City <b>(mandatory)</b></li>
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<li>"raw_data" - 0:1</li>
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<li>"language" - de, en etc.</li>
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<li>"waypoints" - Lat, Long coordinates, separated by | </li>
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<li>"disable" - 0:1</li>
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<li>"stateReading" - name the reading which will be used in device state</li>
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<li>"outputReadings" - define what kind of readings you want to get: text, min, sec, average</li>
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<li>"includeReturn" - 0:1</li>
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</ul>
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<br>
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<br>
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<a name="TRAFFICreadings"></a>
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<b>Readings:</b>
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<ul>
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<li>delay </li>
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<li>distance </li>
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<li>duration </li>
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<li>duration_in_traffic </li>
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<li>state </li>
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<li>eta</li>
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<li>delay_min</li>
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<li>duration_min</li>
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<li>duration_in_traffic_min</li>
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<li>error_message</li>
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</ul>
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<br><br>
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<a name="TRAFFICset"></a>
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<b>Set</b>
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<ul>
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<li>update [burst-update-count] [burst-update-interval] - update readings manually</li>
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</ul>
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<br><br>
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</ul>
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=end html
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=cut
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