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cb63cfad1c
git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@23011 2b470e98-0d58-463d-a4d8-8e2adae1ed80
753 lines
31 KiB
Perl
753 lines
31 KiB
Perl
#########################################################################
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# $Id$
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# Utility functions of HTTPMOD that can be uses by other Fhem modules
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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 FHEM::HTTPMOD::Utils;
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use strict;
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use warnings;
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use GPUtils qw(:all);
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use Time::HiRes qw(gettimeofday);
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use Encode qw(decode encode);
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use Scalar::Util qw(looks_like_number);
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use DevIo;
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use Exporter ('import');
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our @EXPORT_OK = qw(UpdateTimer FhemCaller
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StopQueueTimer
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StartQueueTimer
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ValidRegex ValidExpr
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EvalExpr
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FormatVal
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MapConvert MapToHint
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CheckRange
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ReverseWordOrder
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SwapByteOrder
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ReadKeyValue StoreKeyValue
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ManageUserAttr
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MemReading
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FlattenJSON
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BodyDecode
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IsOpen
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FmtTimeMs
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ReadableArray
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);
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our %EXPORT_TAGS = (all => [@EXPORT_OK]);
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BEGIN {
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GP_Import( qw(
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Log3
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RemoveInternalTimer
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InternalTimer
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gettimeofday
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FmtDateTime
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addToDevAttrList
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modules
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attr
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ReadingsVal
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ReadingsTimestamp
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AttrVal
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InternalVal
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readingsSingleUpdate
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readingsBeginUpdate
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readingsBulkUpdate
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readingsEndUpdate
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makeReadingName
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EvalSpecials
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AnalyzePerlCommand
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PerlSyntaxCheck
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rtrim
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featurelevel
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DevIo_OpenDev
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DevIo_SimpleWrite
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DevIo_SimpleRead
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DevIo_CloseDev
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DevIo_IsOpen
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));
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};
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####################################################################################################
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# set internal Timer to call GetUpdate if necessary
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# at next interval. Time can be aligned (attribute TimeAlign)
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# called from attr (disable, alignTime), set (interval, start), openCB,
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# notify (INITIALIZED|REREADCFG|MODIFIED|DEFINED) and getUpdate
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# call e.g.:
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# UpdateTimer($hash, \&HTTPMOD::GetUpdate, 'next'); # set update timer for next round (now + interval)
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# UpdateTimer($hash, \&HTTPMOD::GetUpdate, 'stop');
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# UpdateTimer($hash, \&HTTPMOD::GetUpdate, 'start'); # first call: call asap
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sub UpdateTimer {
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my $hash = shift;
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my $updFn = shift;
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my $cmd = shift // 'next';
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my $name = $hash->{NAME};
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my $now = gettimeofday();
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my $intvl = $hash->{Interval} // 0; # make sure module doesn't use other spelling / caps
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if ($cmd eq 'stop' || !$intvl) { # stop timer
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RemoveInternalTimer("update:$name");
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if ($hash->{'.TRIGGERTIME'}) {
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Log3 $name, 4, "$name: UpdateTimer called from " . FhemCaller() . " with cmd $cmd and interval $intvl stops timer";
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delete $hash->{'.TRIGGERTIME'};
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#delete $hash->{TRIGGERTIME_FMT};
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delete $hash->{'.LastUpdate'};
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}
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return;
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}
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if ($cmd eq 'next') {
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$hash->{'.LastUpdate'} = $now; # start timer from now, ignore potential last update time
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}
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my $nextUpdate;
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if ($hash->{'.TimeAlign'}) { # TimeAlign: do as if interval started at time w/o drift ...
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my $count = int(($now - $hash->{'.TimeAlign'}) / $intvl); # $intvl <> 0,has been checked above
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$nextUpdate = $count * $intvl + $hash->{'.TimeAlign'}; # next aligned time >= now, lastUpdate doesn't matter with alignment
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$nextUpdate += $intvl if ($nextUpdate <= $now); # works for initial alignment as welas for next round
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}
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else { # no align time -> just add the interval to now
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if ($hash->{'.LastUpdate'}) {
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$nextUpdate = $hash->{'.LastUpdate'} + $intvl;
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}
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else {
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$nextUpdate = $now; # first call -> don't wait for interval to pass
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}
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}
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$hash->{'.TRIGGERTIME'} = $nextUpdate;
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#$hash->{TRIGGERTIME_FMT} = FmtDateTime($nextUpdate);
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my $delay = sprintf ("%.1f", $nextUpdate - $now);
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Log3 $name, 4, "$name: UpdateTimer called from " . FhemCaller() . " with cmd $cmd" .
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" sets timer to call update function in $delay sec at " . FmtDateTime($nextUpdate) . ", interval $intvl";
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RemoveInternalTimer("update:$name");
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InternalTimer($nextUpdate, $updFn, "update:$name", 0); # now set the timer
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return;
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}
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######################################################
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# set internal timer for next queue processing
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# to now + passed delay (if delay is passed)
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# if no delay is passed, use attribute queueDelay if no shorter timer is already set
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#
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# startQueueTimer is called from Modbus:
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# - in queueRequest when something got added to the queue
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# - end of get/set to set it to immediate processing
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# - at the end of HandleResponse
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# - in processRequestQueue to set a new delay
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# - in checkDelay called from processRequestQueue
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# before it returns 1 (to ask the caller to return because delay is not over yet)
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# but startQueueTimer does only set the timer if the queue contains something
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#
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sub StartQueueTimer {
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my $ioHash = shift;
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my $pFunc = shift; # e.g. \&Modbus::ProcessRequestQueue
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my $oRef = shift; # optional hash ref for passing options
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my $name = $ioHash->{NAME};
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my $pDelay = $oRef->{'delay'} // AttrVal($name, 'queueDelay', 1); # delay until queue processing call
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my $silent = $oRef->{'silent'} // 0;
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my $msg = $oRef->{'log'} // '';
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my $qlen = ($ioHash->{QUEUE} ? scalar(@{$ioHash->{QUEUE}}) : 0);
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if ($qlen) {
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my $now = gettimeofday();
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my $delay = (defined($pDelay) ? $pDelay : AttrVal($name, 'queueDelay', 1));
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return if ($ioHash->{nextQueueRun} && $ioHash->{nextQueueRun} < $now+$delay);
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RemoveInternalTimer ("queue:$name");
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InternalTimer($now+$delay, $pFunc, "queue:$name", 0);
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$ioHash->{nextQueueRun} = $now+$delay;
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Log3 $name, 5, "$name: StartQueueTimer called from " . FhemCaller() .
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' sets internal timer to process queue in ' .
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sprintf ('%.3f', $delay) . ' seconds' . ($msg ? ", $msg" : '') if (!$silent);
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}
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else {
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Log3 $name, 5, "$name: StartQueueTimer called from " . FhemCaller() .
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' removes internal timer because queue is empty' if ($ioHash->{nextQueueRun} && !$silent);
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delete $ioHash->{nextQueueRun};
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RemoveInternalTimer ("queue:$name");
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}
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return;
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}
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########################################################################################
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# remove internal timer for next queue processing
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# called at the end of open and close (initialized state, queue should be empty)
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# end when queue becomes empty while processing the queue (not really ... todo:)
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# when processRequestQueue gets called from fhem.pl via internal timer,
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# this timer is removed internally -> only nextQueueRun is deleted in processRequestQueue
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sub StopQueueTimer {
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my $ioHash = shift;
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my $oRef = shift; # optional hash ref for passing options
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my $silent = $oRef->{'silent'} // 0;
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my $name = $ioHash->{NAME};
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if ($ioHash->{nextQueueRun}) {
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RemoveInternalTimer ("queue:$name");
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delete $ioHash->{nextQueueRun};
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Log3 $name, 5, "$name: StopQueueTimer called from " . FhemCaller() .
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' removes internal timer for queue processing' if (!$silent);
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}
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return;
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}
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#########################################################################
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# check if a regex is valid
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sub ValidRegex {
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my $hash = shift;
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my $action = shift;
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my $regex = shift;
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my $name = $hash->{NAME};
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# check if Regex is valid
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local $SIG{__WARN__} = sub { Log3 $name, 3, "$name: $action with regex $regex created warning: @_"; };
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eval {qr/$regex/}; ## no critic
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if ($@) {
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Log3 $name, 3, "$name: $action with regex $regex created error: $@";
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return 0;
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}
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return 1;
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}
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###################################################################
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# new combined function for evaluating perl expressions
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# pass values via hash reference similar to fhem EvalSpecials
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# together with AnalyzePerlCommands but more flexible:
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#
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# var names can not only start with % but also @ and $
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# when a hash is passed and the target variable name starts with $
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# then it is assigned the hash reference not a new copy of the hash
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# same for arrays.
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#
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# special keys:
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# checkOnly : only do sytax check and return 1 if valid
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# action : describe context for logging
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#
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# some variables are set by default to make use in HTTPMOD and Modbus
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# easier: $val, $old, $text, $rawVal, $inCheckEval, @val
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#
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sub EvalExpr {
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my $hash = shift; # the current device hash
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my $oRef = shift; # optional hash ref for passing options and variables for use in expressions
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my $name = $hash->{NAME};
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my $val = $oRef->{'val'} // ''; # need input value already now as potential return value
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my $checkOnly = $oRef->{'checkOnly'} // 0; # only syntax check
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my $NlIfNoExp = $oRef->{'nullIfNoExp'} // 0; # return 0 if expression is missing
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my $exp = $oRef->{'expr'} // ''; # the expression to be used
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my $action = $oRef->{'action'} // 'perl expression eval'; # context for logging
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my @val = ($val); # predefined variables, can be overwritten in %vHash
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my $old = $val;
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my $rawVal = $val;
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my $text = $val;
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return 0 if ($NlIfNoExp && !$exp);
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return $val if (!$exp);
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my $inCheckEval = ($checkOnly ? 0 : 1);
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my $assign = 'package main; ';
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foreach my $key (keys %{$oRef}) {
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my $type = ref $oRef->{$key};
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my $vName = substr($key,1);
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my $vType = substr($key,0,1);
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if ($type eq 'SCALAR') {
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$assign .= "my \$$vName = \${\$oRef->{'$key'}};"; # assign ref to scalar as scalar
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}
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elsif ($type eq 'ARRAY' && $vType eq '$') {
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$assign .= "my \$$vName = \$oRef->{'$key'};"; # assign array ref as array ref
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}
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elsif ($type eq 'ARRAY') {
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$assign .= "my \@$vName = \@{\$oRef->{'$key'}};"; # assign array ref as array
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}
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elsif ($type eq 'HASH' && $vType eq '$') {
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$assign .= "my \$$vName = \$oRef->{'$key'};"; # assign hash ref as hash ref
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}
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elsif ($type eq 'HASH') {
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$assign .= "my \%$vName = \%{\$oRef->{'$key'}};"; # assign hash ref as hash
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}
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elsif ($type eq '' && $vType eq '$') {
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$assign .= "my \$$vName = \$oRef->{'$key'};"; # assign scalar as scalar
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}
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}
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$exp = $assign . ($checkOnly ? 'return undef;' : '') . $exp;
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local $SIG{__WARN__} = sub { Log3 $name, 3, "$name: $action with expresion $exp created warning: @_"; };
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my $result = eval $exp; ## no critic
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if ($@) {
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Log3 $name, 3, "$name: $action with expression $exp on $val created error: $@";
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return 0 if ($checkOnly);
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} else {
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return 1 if ($checkOnly);
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Log3 $name, 5, "$name: $action evaluated $exp to $result";
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}
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return $result;
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}
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###########################################################
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# return the name of the caling function for debug output
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sub FhemCaller {
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my ($package, $filename, $line, $subroutine, $hasargs, $wantarray, $evaltext, $is_require, $hints, $bitmask, $hinthash) = caller 2;
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return $1 if ($subroutine =~ /main::HTTPMOD_(.*)/);
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return $1 if ($subroutine =~ /main::(.*)/);
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return 'Fhem internal timer' if ($subroutine =~ /main::HandleTimeout/);
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return "$subroutine";
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}
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#########################################
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# Try to convert a value with a map
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# called from Set and FormatReading
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# todo: also pass map as named parameter
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sub MapConvert {
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my $hash = shift;
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my $oRef = shift; # hash ref for passing options and variables for use in expressions
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my $map = $oRef->{'map'} // ''; # map to use
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my $reverse = $oRef->{'reverse'} // 0; # use reverse map
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my $action = $oRef->{'action'} // 'apply map'; # context for logging
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my $UndefIfNoMatch = $oRef->{'undefIfNoMatch'} // 0; # return undef if map is not matching,
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my $inVal = $oRef->{'val'} // ''; # input value
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my $name = $hash->{NAME};
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return $inVal if (!$map); # don't change anyting if map is empty
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$map =~ s/\s+/ /g; # substitute all \t \n etc. by one space only
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if ($reverse) {
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$map =~ s/([^, ][^,\$]*):([^,][^,\$]*),? */$2:$1, /g; # reverse map
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}
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# spaces in words allowed, separator is ',' or ':'
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my $val = decode ('UTF-8', $inVal); # convert nbsp from fhemweb
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$val =~ s/\s| / /g; # back to normal spaces in case it came from FhemWeb with coded Blank
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my %mapHash = split (/, *|:/, $map); # reverse hash aus dem reverse string
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if (defined($mapHash{$val})) { # Eintrag für den übergebenen Wert in der Map?
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my $newVal = $mapHash{$val}; # entsprechender Raw-Wert für das Gerät
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Log3 $name, 5, "$name: MapConvert called from " . FhemCaller() . " converted $val to $newVal with" .
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($reverse ? " reversed" : "") . " map $map";
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return $newVal;
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}
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else {
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Log3 $name, 3, "$name: MapConvert called from " . FhemCaller() . " did not find $val in" .
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($reverse ? " reversed" : "") . " map $map";
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return if ($UndefIfNoMatch);
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return $inVal;
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}
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}
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#########################################
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# called from UpdateHintList
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sub MapToHint {
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my $hint = shift; # create hint from map
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$hint =~ s/([^,\$]+):([^,\$]+)(,?) */$2$3/g; # allow spaces in names
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$hint =~ s/\s/ /g; # convert spaces for fhemweb
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return $hint;
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}
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#####################################################################
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# check that a value is in a defined range
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sub CheckRange {
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my $hash = shift;
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my $oRef = shift; # optional hash ref for passing options and variables for use in expressions
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my $val = $oRef->{'val'} // ''; # input value
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my $min = $oRef->{'min'} // ''; # min value
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my $max = $oRef->{'max'} // ''; # max value
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my $name = $hash->{NAME};
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$val =~ s/\s+//g; # remove spaces just to be sure
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# if either min or max are specified, val has to be numeric
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if (!looks_like_number $val && (looks_like_number $min || looks_like_number $max)) {
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Log3 $name, 5, "$name: checkRange for " . FhemCaller() . " rejects $val because it is not numeric";
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return;
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}
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if (looks_like_number $min) {
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Log3 $name, 5, "$name: checkRange for " . FhemCaller() . " checks $val against min $min";
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return if ($val < $min);
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}
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if (looks_like_number $max) {
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Log3 $name, 5, "$name: checkRange for " . FhemCaller() . " checks $val against max $max";
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return if ($val > $max);
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}
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return 1;
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}
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#####################################################################
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# check that a value is in a defined range
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sub FormatVal {
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my $hash = shift;
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my $oRef = shift; # optional hash ref for passing options and variables for use in expressions
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my $val = $oRef->{'val'} // ''; # input value
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my $format = $oRef->{'format'} // ''; # format string
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my $name = $hash->{NAME};
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return $val if (!$format);
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my $newVal = sprintf($format, $val);
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Log3 $name, 5, "$name: FormatVal for " . FhemCaller() . " formats $val with $format, result is $newVal";
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return $newVal;
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}
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#####################################
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# called from send and parse
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# reverse order of word registers
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sub ReverseWordOrder {
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my $hash = shift; # hash only needed for logging
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my $buffer = shift;
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my $len = shift;
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my $name = $hash->{NAME}; # name of device for logging
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use bytes;
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$len = length($buffer) if (!defined $len); # optional parameter
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return $buffer if ($len < 2 || length ($buffer) < 3); # nothing to be done if only one register
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Log3 $name, 5, "$name: ReverseWordOrder is reversing order of up to $len registers";
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my $work = substr($buffer, 0, $len * 2); # the first 2*len bytes of buffer
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my $rest = substr($buffer, $len * 2); # everything after len
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my $new = '';
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while ($work) {
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$new = substr($work, 0, 2) . $new; # prepend first two bytes of work to new
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$work = substr($work, 2); # remove first word from work
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}
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my $newBuffer = $new . $rest;
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Log3 $name, 5, "$name: ReverseWordOrder for " . FhemCaller() . " is transforming "
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. unpack ('H*', $buffer) . " to " . unpack ('H*', $newBuffer);
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return $newBuffer;
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}
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#####################################
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# called from send and parse
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# reverse byte order in word registers
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sub SwapByteOrder {
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my $hash = shift; # hash only needed for logging
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my $buffer = shift;
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my $len = shift;
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my $name = $hash->{NAME}; # name of device for logging
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use bytes;
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$len = length($buffer) if (!defined $len); # optional parameter
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Log3 $name, 5, "$name: SwapByteOrder is reversing byte order of up to $len registers";
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my $rest = substr($buffer, $len * 2); # everything after len
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my $nval = '';
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for (my $i = 0; $i < $len; $i++) {
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$nval = $nval . substr($buffer,$i*2 + 1,1) . substr($buffer,$i*2,1);
|
|
};
|
|
my $newBuffer = $nval . $rest;
|
|
Log3 $name, 5, "$name: SwapByteOrder for " . FhemCaller() . " is transforming "
|
|
. unpack ('H*', $buffer) . " to " . unpack ('H*', $newBuffer);
|
|
return $newBuffer;
|
|
}
|
|
|
|
|
|
#########################################################################
|
|
# set userAttr-Attribute for Regex-Attrs
|
|
# pass device hash and new attr based on a regex attr
|
|
sub ManageUserAttr {
|
|
my $hash = shift;
|
|
my $aName = shift;
|
|
my $name = $hash->{NAME};
|
|
my $modHash = $modules{$hash->{TYPE}};
|
|
|
|
if ($modHash->{AttrList} =~ m{ (?:\A|\s) # Beginning or space
|
|
$aName # the name of the new attribute
|
|
(?: \s | \: | \z) # space, : or the end
|
|
}xms) { # does AttrList contain the passed attribute (potentially with an added hint) -> no regex attr?
|
|
my $retVal;
|
|
if ($aName =~ m{ \| \* \+ \[}xms) { # contained in list -> make sure nobody tries to set it as regex attr
|
|
$retVal = "$name: Atribute $aName is not valid. It still contains wildcard symbols";
|
|
Log3 $name, 3, $retVal;
|
|
}
|
|
return $retVal;
|
|
}
|
|
# go through all possible attrs and check if the passed attr matches one of the regex attrs
|
|
foreach my $listAttr (split " ", $modHash->{AttrList}) {
|
|
my ($listAttrName, $listAttrHint)
|
|
= $listAttr =~ m{ \A ([^:]+) (:?.*) }xms; # split list entry in name and optional hint
|
|
if ($aName =~ m{\A$listAttrName\z}xms) { # yes - the passed attribute name now matches the entry in the list as regex
|
|
addToDevAttrList($name, $aName . $listAttrHint); # create userattr with hint to allow change in fhemweb
|
|
#Log3 $name, 5, "$name: ManageUserAttr added attr $aName to userattr list";
|
|
|
|
if ($listAttrHint) { # in case an earlier version added the attribute without the hint, remove old entry
|
|
my $uaList = $attr{$name}{userattr} // '';
|
|
my %uaHash;
|
|
foreach my $userAttr (split(" ", $uaList)) {
|
|
if ($userAttr !~ m{\A $aName \z}xms) { # no match -> existing entry in userattr list is attribute without hint
|
|
$uaHash{$userAttr} = 1; # put $userAttr as key into the hash so it is kept in userattr
|
|
}
|
|
else { # match -> in list without attr -> remove
|
|
#Log3 $name, 5, "$name: ManageUserAttr removes attr $userAttr without hint $listAttrHint from userattr list";
|
|
}
|
|
}
|
|
$attr{$name}{userattr} = join(" ", sort keys %uaHash);
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
###################################################
|
|
# checks and stores obfuscated keys like passwords
|
|
# based on / copied from FRITZBOX_storePassword
|
|
sub StoreKeyValue {
|
|
my $hash = shift;
|
|
my $kName = shift;
|
|
my $value = shift;
|
|
|
|
my $index = $hash->{TYPE}."_".$hash->{NAME}."_".$kName;
|
|
my $key = getUniqueId().$index;
|
|
my $enc = "";
|
|
|
|
if(eval { use Digest::MD5; 1 }) {
|
|
$key = Digest::MD5::md5_hex(unpack "H*", $key);
|
|
$key .= Digest::MD5::md5_hex($key);
|
|
}
|
|
for my $char (split //, $value) {
|
|
my $encode=chop($key);
|
|
$enc.=sprintf("%.2x",ord($char)^ord($encode));
|
|
$key=$encode.$key;
|
|
}
|
|
|
|
my $err = setKeyValue($index, $enc);
|
|
return "error while saving the value - $err" if(defined($err));
|
|
return;
|
|
}
|
|
|
|
|
|
#####################################################
|
|
# reads obfuscated value
|
|
sub ReadKeyValue {
|
|
my $hash = shift;
|
|
my $kName = shift;
|
|
my $name = $hash->{NAME};
|
|
my $index = $hash->{TYPE}."_".$hash->{NAME}."_".$kName;
|
|
my $key = getUniqueId().$index;
|
|
my ($value, $err);
|
|
|
|
Log3 $name, 5, "$name: ReadKeyValue tries to read value for $kName from file";
|
|
($err, $value) = getKeyValue($index);
|
|
if ( defined($err) ) {
|
|
Log3 $name, 4, "$name: ReadKeyValue is unable to read value from file: $err";
|
|
return;
|
|
}
|
|
|
|
if ( !defined($value) ) {
|
|
Log3 $name, 4, "$name: ReadKeyValue could not find key $kName in file";
|
|
return;
|
|
}
|
|
if (eval { use Digest::MD5; 1 }) {
|
|
$key = Digest::MD5::md5_hex(unpack "H*", $key);
|
|
$key .= Digest::MD5::md5_hex($key);
|
|
}
|
|
my $dec = '';
|
|
for my $char (map { pack('C', hex($_)) } ($value =~ /(..)/g)) {
|
|
my $decode=chop($key);
|
|
$dec.=chr(ord($char)^ord($decode));
|
|
$key=$decode.$key;
|
|
}
|
|
return $dec;
|
|
}
|
|
|
|
|
|
|
|
###################################################
|
|
# recoursive main part for HTTPMOD_FlattenJSON($$)
|
|
# consumes a hash passed as parameter
|
|
# and creates $hash->{ParserData}{JSON}{$prefix.$key}
|
|
sub JsonFlatter {
|
|
my $hash = shift; # reference to Fhem device hash
|
|
my $ref = shift; # starting point in JSON-Structure hash
|
|
my $prefix = shift // ''; # prefix string for resulting key
|
|
my $name = $hash->{NAME}; # Fhem device name
|
|
|
|
#Log3 $name, 5, "$name: JSON Flatter called : prefix $prefix, ref is $ref";
|
|
if (ref($ref) eq "ARRAY" ) {
|
|
my $key = 0;
|
|
foreach my $value (@{$ref}) {
|
|
#Log3 $name, 5, "$name: JSON Flatter in array while, key = $key, value = $value";
|
|
if(ref($value) eq "HASH" or ref($value) eq "ARRAY") {
|
|
#Log3 $name, 5, "$name: JSON Flatter doing recursion because value is a " . ref($value);
|
|
JsonFlatter($hash, $value, $prefix.sprintf("%02i",$key+1)."_");
|
|
}
|
|
else {
|
|
if (defined ($value)) {
|
|
#Log3 $name, 5, "$name: JSON Flatter sets $prefix$key to $value";
|
|
$hash->{ParserData}{JSON}{$prefix.$key} = $value;
|
|
}
|
|
}
|
|
$key++;
|
|
}
|
|
}
|
|
elsif (ref($ref) eq "HASH" ) {
|
|
while( my ($key,$value) = each %{$ref}) {
|
|
#Log3 $name, 5, "$name: JSON Flatter in hash while, key = $key, value = $value";
|
|
if(ref($value) eq "HASH" or ref($value) eq "ARRAY") {
|
|
#Log3 $name, 5, "$name: JSON Flatter doing recursion because value is a " . ref($value);
|
|
JsonFlatter($hash, $value, $prefix.$key."_");
|
|
}
|
|
else {
|
|
if (defined ($value)) {
|
|
#Log3 $name, 5, "$name: JSON Flatter sets $prefix$key to $value";
|
|
$hash->{ParserData}{JSON}{$prefix.$key} = $value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
####################################
|
|
# entry to create a flat hash
|
|
# out of a pares JSON hash hierarchy
|
|
sub FlattenJSON {
|
|
my $hash = shift; # reference to Fhem device hash
|
|
my $buffer = shift; # buffer containing JSON data
|
|
my $name = $hash->{NAME}; # Fhem device name
|
|
|
|
eval { use JSON };
|
|
return if($@);
|
|
|
|
my $decoded = eval { decode_json($buffer) };
|
|
if ($@) {
|
|
Log3 $name, 3, "$name: error while parsing JSON data: $@";
|
|
}
|
|
else {
|
|
JsonFlatter($hash, $decoded);
|
|
Log3 $name, 4, "$name: extracted JSON values to internal";
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
#################################################################
|
|
# create memory Reading Fhem_Mem
|
|
sub MemReading {
|
|
my $hash = shift;
|
|
my $name = $hash->{NAME}; # Fhem device name
|
|
my $v = `awk '/VmSize/{print \$2}' /proc/$$/status`;
|
|
$v = sprintf("%.2f",(rtrim($v)/1024));
|
|
readingsBeginUpdate($hash);
|
|
readingsBulkUpdate ($hash, "Fhem_Mem", $v);
|
|
readingsBulkUpdate ($hash, "Fhem_BufCounter", $hash->{BufCounter}) if defined($hash->{BufCounter});
|
|
readingsEndUpdate($hash, 1);
|
|
Log3 $name, 5, "$name: Read checked virtual Fhem memory: " . $v . "MB" .
|
|
(defined($hash->{BufCounter}) ? ", BufCounter = $hash->{BufCounter}" : "");
|
|
return;
|
|
}
|
|
|
|
|
|
##########################################
|
|
# decode charset in a http response
|
|
sub BodyDecode {
|
|
my $hash = shift;
|
|
my $body = shift;
|
|
my $header = shift // '';
|
|
my $name = $hash->{NAME}; # Fhem device name
|
|
my $fDefault = ($featurelevel > 5.9 ? 'auto' : '');
|
|
my $bodyDecode = AttrVal($name, 'bodyDecode', $fDefault);
|
|
|
|
if ($bodyDecode eq 'auto' or $bodyDecode eq 'Auto') {
|
|
if ($header =~/Content-Type:.*charset=([\w\-\.]+)/i) {
|
|
$bodyDecode = $1;
|
|
Log3 $name, 4, "$name: BodyDecode found charset header and set decoding to $bodyDecode (bodyDecode was set to auto)";
|
|
}
|
|
else {
|
|
$bodyDecode = "";
|
|
Log3 $name, 4, "$name: BodyDecode found no charset header (bodyDecode was set to auto)";
|
|
}
|
|
}
|
|
if ($bodyDecode) {
|
|
if ($bodyDecode =~ m{\A [Nn]one \z}xms) {
|
|
Log3 $name, 4, "$name: BodyDecode is not decoding the response body (set to none)";
|
|
}
|
|
else {
|
|
$body = decode($bodyDecode, $body);
|
|
Log3 $name, 4, "$name: BodyDecode is decoding the response body as $bodyDecode ";
|
|
}
|
|
#Log3 $name, 5, "$name: BodyDecode callback " . ($body ? "new body as utf-8 is: \n" . encode ('utf-8', $body) : "body empty");
|
|
}
|
|
return $body;
|
|
}
|
|
|
|
|
|
########################################
|
|
# check if a device is open
|
|
# not only for devio devices but also
|
|
# tcpserver
|
|
sub IsOpen {
|
|
my $hash = shift;
|
|
return 1 if ($hash->{DeviceName} eq 'none');
|
|
return 1 if ($hash->{TCPServer} && $hash->{FD});
|
|
return 1 if ($hash->{TCPChild} && defined($hash->{CD}));
|
|
return DevIo_IsOpen($hash);
|
|
}
|
|
|
|
|
|
####################################################
|
|
# format time as string with msecs as fhem.pl does
|
|
sub FmtTimeMs {
|
|
my $time = shift // 0;
|
|
my $seconds;
|
|
my $mseconds;
|
|
if ($time =~ /([^\.]+)(\.(.*))?/) {
|
|
$seconds = $1;
|
|
$mseconds = $3;
|
|
}
|
|
else {
|
|
$seconds = $time;
|
|
$mseconds = 0;
|
|
}
|
|
#my $seconds = int ($time);
|
|
#my $mseconds = $time - $seconds;
|
|
#Log3 undef, 1, "Test: ms = $mseconds";
|
|
|
|
my @t = localtime($seconds);
|
|
my $tim = sprintf("%02d:%02d:%02d", $t[2],$t[1],$t[0]);
|
|
$tim .= sprintf(".%03d", $mseconds);
|
|
return $tim;
|
|
}
|
|
|
|
|
|
#########################################################
|
|
sub ReadableArray {
|
|
my $val = shift;
|
|
my $vString = '';
|
|
foreach my $v (@{$val}) {
|
|
$vString .= ($vString eq '' ? '' : ', ') . ($v =~ /^[[:print:]]+$/ ? $v : 'hex ' . unpack ('H*', $v));
|
|
}
|
|
return $vString
|
|
}
|
|
|
|
|
|
1;
|