use v5.10.1;
+use Mojolicious::Lite;
use Serial;
use Mojo::IOLoop;
use Mojo::IOLoop::Stream;
+use Mojo::Transaction::WebSocket;
#use Mojo::JSON qw(decode_json encode_json);
use JSON;
use Debug;
use SMGLog;
use Math::Round qw(nearest);
+use File::Copy;
+use Data::Random qw(rand_chars);
+use IO::File;
use constant pi => 3.14159265358979;
my $devname = "/dev/davis";
+my $datafn = ".loop_data";
+my $dataf;
+
+my $poll_interval = 2.5;
my $rain_mult = 0.2; # 0.1 or 0.2 mm or 0.01 inches
my $tid;
my $rid;
my $state = "ready";
my $buf;
my $dbg;
-my $last_reading;
my $ser; # the serial port Mojo::IOLoop::Stream
-our $ending = 0;
+my $last_min_h;
+my $last_hour_h;
our $json = JSON->new->canonical(1);
+our $WS = {}; # websocket connections
-our $last_min = int(time/60)*60;
-our $last_hour = 0;
-our $last_rain_hour;
-our $last_rain_min;
-our $last_rain;
-our @rain24;
-our $rain24;
+our $ld = {};
+our @last10minsr = ();
+our @last5daysh = ();
+our $windmins = 5; # no of minutes of wind data for the windrose
+our $histdays = 5; # no of days of (half)hour data to search for main graph
our $loop_count; # how many LOOPs we have done, used as start indicator
$SIG{TERM} = $SIG{INT} = sub {++$ending; Mojo::IOLoop->stop;};
$SIG{HUP} = 'IGNORE';
+
+# WebSocket weather service
+websocket '/weather' => sub {
+ my $c = shift;
+ my $msg = shift;
+ my $tx = $c->tx;
+
+ # Opened
+ app->log->debug('WebSocket opened.');
+ dbg 'WebSocket opened' if isdbg 'chan';
+ $WS->{$tx} = $tx;
+
+ # send historical data
+ $c->send($ld->{lasthour_h}) if exists $ld->{lasthour_h};
+ $c->send($ld->{lastmin_h}) if exists $ld->{lastmin_h};
+
+ # disable timeout
+ $c->inactivity_timeout(3615);
+
+ # Incoming message
+ $c->on(
+ message => sub {
+ my ($c, $msg) = @_;
+ dbg "websocket: text $msg" if isdbg 'chan';
+ },
+ json => sub {
+ my ($c, $msg) = @_;
+ dbg "websocket: json $msg" if isdbg 'chan';
+ }
+ );
+
+ # Closed
+ $c->on(finish => sub {
+ my ($c, $code, $reason) = @_;
+ app->log->debug("WebSocket closed with status $code.");
+ dbg "websocket closed with status $code" if isdbg 'chan';
+ delete $WS->{$tx};
+ });
+};
+
+get '/' => {template => 'index'};
+
+
dbginit();
if (@ARGV) {
dbgadd(@ARGV);
dbg "*** starting $0";
dbg '***';
-dbg scalar gmtime($last_min);
-dbg scalar gmtime($last_hour);
+read_ld();
+
+my $tnow = time;
+my $dayno = int ($tnow/86400);
+for (my $i = 0-$histdays; $i < 0; ++$i ) {
+ push @last5daysh, grab_history(SMGLog->new("day"), "h", $tnow-(86400*$histdays), $dayno+$i+1);
+}
+@last10minsr = map {my ($t, $js) = split(/\s/, $_, 2); $js} grab_history(SMGLog->new("debug"), "r", $tnow-(60*$windmins), $dayno);
+dbg sprintf("last5days = %d last10mins = %d", scalar @last5daysh, scalar @last10minsr);
+
+our $dlog = SMGLog->new("day");
+dbg "before next tick";
+Mojo::IOLoop->next_tick(sub { loop() });
+dbg "before app start";
+app->start;
+dbg "after app start";
+
+write_ld();
+$dataf->close if $dataf;
+undef $dataf;
-my $dlog = SMGLog->new("day");
-$did = Mojo::IOLoop->recurring(1 => sub {$dlog->flushall});
-do_reopen($devname);
+# move all the files along one
+cycle_loop_data_files();
dbg '***';
dbg "*** ending $0";
exit 0;
+##################################################################################
+
+sub loop
+{
+ dbg "last_min: " . scalar gmtime($ld->{last_min});
+ dbg "last_hour: " . scalar gmtime($ld->{last_hour});
+
+ $did = Mojo::IOLoop->recurring(1 => sub {$dlog->flushall});
+
+ do_reopen($devname);
+}
+
+
+
sub on_read
{
my ($ser, $d) = @_;
undef $tid;
Mojo::IOLoop->remove($rid) if $rid;
undef $rid;
- $rid = Mojo::IOLoop->recurring(2.5 => sub {
+ $rid = Mojo::IOLoop->recurring($poll_interval => sub {
start_loop() if !$state;
});
chgstate('');
}
my $tmp;
+ my $temp;
my $rain;
my %h;
$tmp = unpack("s", substr $blk,9,2) / 10;
$h{Temp_In} = nearest(0.1, f2c($tmp));
- $tmp = unpack("s", substr $blk,12,2) / 10;
- $h{Temp_Out} = nearest(0.1, f2c($tmp));
+ $temp = nearest(0.1, f2c(unpack("s", substr $blk,12,2) / 10));
+ $h{Temp_Out} = $temp;
+ if ($temp > 75 || $temp < -75) {
+ dbg "LOOP Temperature out of range ($temp), record ignored";
+ return;
+ }
$tmp = unpack("C", substr $blk,14,1);
$h{Wind} = nearest(0.1, mph2mps($tmp));
$h{Dir} = unpack("s", substr $blk,16,2)+0;
my $wind = {w => $h{Wind}, d => $h{Dir}};
- push @min, $wind;
+ $wind = 0 if $wind == 255;
+ push @{$ld->{wind_min}}, $wind;
- $h{Humidity_Out} = unpack("C", substr $blk,33,1)+0;
- $h{Humidity_In} = unpack("C", substr $blk,11,1)+0;
+ $tmp = int(unpack("C", substr $blk,33,1)+0);
+ if ($tmp > 100) {
+ dbg "LOOP Outside Humidity out of range ($tmp), record ignored";
+ return;
+ }
+ $h{Humidity_Out} = $tmp;
+ $tmp = int(unpack("C", substr $blk,11,1)+0);
+ if ($tmp > 100) {
+ dbg "LOOP Inside Humidity out of range ($tmp), record ignored";
+ return;
+ }
+ $h{Humidity_In} = $tmp;
+
$tmp = unpack("C", substr $blk,43,1)+0;
$h{UV} = $tmp unless $tmp >= 255;
# $h{Rain_Rate} = nearest(0.1,unpack("s", substr $blk,41,2) * $rain_mult);
$rain = $h{Rain_Day} = nearest(0.1, unpack("s", substr $blk,50,2) * $rain_mult);
- my $delta_rain = $h{Rain} = nearest(0.1, ($rain >= $last_rain ? $rain - $last_rain : $rain)) if $loop_count;
- $last_rain = $rain;
+ my $delta_rain = $h{Rain} = nearest(0.1, ($rain >= $ld->{last_rain} ? $rain - $ld->{last_rain} : $rain)) if $loop_count;
+ $ld->{last_rain} = $rain;
# what sort of packet is it?
my $sort = unpack("C", substr $blk,4,1);
my $ts = time;
my $s;
- if ($ts >= $last_hour + 3600) {
+ my $dayno = int($ts/86400);
+ if ($dayno > $ld->{last_day}) {
+ $ld->{Temp_Out_Max} = $ld->{Temp_Out_Min} = $temp;
+ $ld->{Temp_Out_Max_T} = $ld->{Temp_Out_Min_T} = clocktime($ts, 0);
+ $ld->{last_day} = $dayno;
+ write_ld();
+ cycle_loop_data_files();
+ }
+ if ($temp > $ld->{Temp_Out_Max}) {
+ $ld->{Temp_Out_Max} = $temp;
+ $ld->{Temp_Out_Max_T} = clocktime($ts, 0);
+ write_ld();
+ }
+ if ($temp < $ld->{Temp_Out_Min}) {
+ $ld->{Temp_Out_Min} = $temp;
+ $ld->{Temp_Out_Min_T} = clocktime($ts, 0);
+ write_ld();
+ }
+
+ if ($ts >= $ld->{last_hour} + 1800) {
$h{Pressure_Trend} = unpack("C", substr $blk,3,1);
$h{Pressure_Trend_txt} = $bar_trend{$h{Pressure_Trend}};
$h{Batt_TX_OK} = (unpack("C", substr $blk,86,1)+0) ^ 1;
$h{Sunrise} =~ s/(\d{2})(\d{2})/$1:$2/;
$h{Sunset} = sprintf( "%04d", unpack("S", substr $blk,93,2) );
$h{Sunset} =~ s/(\d{2})(\d{2})/$1:$2/;
+ $h{Temp_Out_Max} = $ld->{Temp_Out_Max};
+ $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
+ $h{Temp_Out_Max_T} = $ld->{Temp_Out_Max_T};
+ $h{Temp_Out_Min_T} = $ld->{Temp_Out_Min_T};
+
if ($loop_count) { # i.e not the first
- my $a = wind_average(scalar @hour ? @hour : {w => $h{Wind}, d => $h{Dir}});
+ my $a = wind_average(scalar @{$ld->{wind_hour}} ? @{$ld->{wind_hour}} : {w => $h{Wind}, d => $h{Dir}});
$h{Wind_1h} = nearest(0.1, $a->{w});
$h{Dir_1h} = nearest(0.1, $a->{d});
- $a = wind_average(@min);
+ $a = wind_average(@{$ld->{wind_min}});
$h{Wind_1m} = nearest(0.1, $a->{w});
$h{Dir_1m} = nearest(1, $a->{d});
($h{Rain_1m}, $h{Rain_1h}, $h{Rain_24h}) = calc_rain($rain);
}
- $last_rain_min = $last_rain_hour = $rain;
+ $ld->{last_rain_min} = $ld->{last_rain_hour} = $rain;
+ $last_hour_h = {%h};
$s = genstr($ts, 'h', \%h);
+ $ld->{lasthour_h} = $s;
+
+ $ld->{last_hour} = int($ts/1800)*1800;
+ $ld->{last_min} = int($ts/60)*60;
+ @{$ld->{wind_hour}} = ();
+ @{$ld->{wind_min}} = ();
+
+ if ($s) {
+ output_str($s, 1);
+ push @last5daysh, $s;
+ shift @last5daysh if @last5daysh > 5*24;
+ }
+ write_ld();
- $last_hour = int($ts/3600)*3600;
- $last_min = int($ts/60)*60;
- @hour = ();
- @min = ();
- } elsif ($ts >= $last_min + 60) {
- my $a = wind_average(@min);
+ } elsif ($ts >= $ld->{last_min} + 60) {
+ my $a = wind_average(@{$ld->{wind_min}});
my %save;
- push @hour, $a;
+ push @{$ld->{wind_hour}}, $a;
if ($loop_count) { # i.e not the first
my $rm;
$h{Dir_1m} = nearest(1, $a->{d});
($h{Rain_1m}, $h{Rain_1h}, $h{Rain_24h}) = calc_rain($rain);
}
- $last_rain_min = $rain;
+ $ld->{last_rain_min} = $rain;
+ $h{Temp_Out_Max} = $ld->{Temp_Out_Max};
+ $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
+ $h{Temp_Out_Max_T} = $ld->{Temp_Out_Max_T};
+ $h{Temp_Out_Min_T} = $ld->{Temp_Out_Min_T};
+
+ $last_min_h = {%h};
$s = genstr($ts, 'm', \%h);
+ $ld->{lastmin_h} = $s;
+
+ $ld->{last_min} = int($ts/60)*60;
+ @{$ld->{wind_min}} = ();
- $last_min = int($ts/60)*60;
- @min = ();
+ output_str($s, 1) if $s;
+ write_ld();
+
} else {
- my $o = gen_hash_diff($last_reading, \%h);
+ my $o = gen_hash_diff($ld->{last_h}, \%h);
if ($o) {
$s = genstr($ts, 'r', $o);
+ push @last10minsr, $s;
+ shift @last10minsr if @last10minsr > 240;
}
else {
dbg "loop rec not changed" if isdbg 'chan';
}
+ output_str($s, 0) if $s;
}
- output_str($s) if $s;
- $last_reading = \%h;
+ $ld->{last_h} = \%h;
++$loop_count;
} else {
dbg "CRC check failed for LOOP data!";
my $h = shift;
my $j = $json->encode($h);
- my ($sec,$min,$hr) = (gmtime $ts)[0,1,2];
- my $tm = sprintf "%02d:%02d:%02d", $hr, $min, $sec;
-
+ my $tm = clocktime($ts, 1);
return qq|{"tm":"$tm","t":$ts,"$let":$j}|;
}
+sub clocktime
+{
+ my $ts = shift;
+ my $secsreq = shift;
+ my ($sec,$min,$hr) = (gmtime $ts)[0,1,2];
+ my $s;
+ if ($secsreq) {
+ $s = sprintf "%02d:%02d:%02d", $hr, $min, $sec;
+ } else {
+ $s = sprintf "%02d:%02d", $hr, $min;
+ }
+ return $s;
+}
+
sub output_str
{
my $s = shift;
+ my $logit = shift;
+
dbg $s;
# say $s;
- $dlog->writenow($s);
+ $dlog->writenow($s) if $logit;
+ foreach my $ws (keys $WS) {
+ my $tx = $WS->{$ws};
+ if ($tx) {
+ $tx->send($s);
+ } else {
+ delete $WS->{$tx};
+ }
+ }
}
sub gen_hash_diff
my $count;
while (my ($k, $v) = each %$now) {
- if ($last->{$k} ne $now->{$k}) {
+ if (!exists $last->{$k} || $last->{$k} ne $now->{$k}) {
$o{$k} = $v;
++$count;
}
my $avhdg = r2d(atan2($sindir, $cosdir));
$avhdg += 360 if $avhdg < 0;
- return {w => $wind / $count, d => $avhdg};
+ return {w => nearest(0.1,$wind / $count), d => nearest(0.1,$avhdg)};
}
# radians to degrees
{
my $rain = shift;
- my $Rain_1h = nearest(0.1, $rain >= $last_rain_hour ? $rain - $last_rain_hour : $rain); # this is the rate for this hour, so far
- my $rm = $rain >= $last_rain_min ? $rain - $last_rain_min : $rain;
+ $ld->{rain24} ||= [];
+
+ my $Rain_1h = nearest(0.1, $rain >= $ld->{last_rain_hour} ? $rain - $ld->{last_rain_hour} : $rain); # this is the rate for this hour, so far
+ my $rm = nearest(0.1, $rain >= $ld->{last_rain_min} ? $rain - $ld->{last_rain_min} : $rain);
my $Rain_1m = nearest(0.1, $rm);
- push @rain24, $rm;
- $rain24 += $rm;
- while (@rain24 > 24*60) {
- $rain24 -= shift @rain24;
+ push @{$ld->{rain24}}, $Rain_1m;
+ $ld->{rain_24} += $rm;
+ while (@{$ld->{rain24}} > 24*60) {
+ $ld->{rain_24} -= shift @{$ld->{rain24}};
}
- my $Rain_24h = nearest(0.1, $rain24);
+ my $Rain_24h = nearest(0.1, $ld->{rain_24});
return ($Rain_1m, $Rain_1h, $Rain_24h);
}
+
+sub read_ld
+{
+ unless ($dataf) {
+ $dataf = IO::File->new("+>> $datafn") or die "cannot open $datafn $!";
+ $dataf->autoflush(1);
+ }
+
+ seek $dataf, 0, 0;
+ my $s = <$dataf>;
+ chomp $s;
+ dbg "read loop data: $s" if isdbg 'json';
+ $ld = $json->decode($s) if length $s;
+
+ # sort out rain stats
+ my $c;
+ if ($ld->{rain24} && ($c = @{$ld->{rain24}}) < 24*60) {
+ my $diff = 24*60 - $c;
+ unshift @{$ld->{rain24}}, 0 for 0 .. $diff;
+ }
+ my $rain;
+
+ if ($ld->{rain24}) {
+ $rain += $_ for @{$ld->{rain24}};
+ }
+
+ $ld->{rain_24} = nearest(0.1, $rain);
+ delete $ld->{hour};
+ delete $ld->{min};
+}
+
+sub write_ld
+{
+ unless ($dataf) {
+ $dataf = IO::File->new("+>> $datafn") or die "cannot open $datafn $!";
+ $dataf->autoflush(1);
+ }
+
+ seek $dataf, 0, 0;
+ truncate $dataf, 0;
+ $ld->{ts} = time;
+ my $s = $json->encode($ld);
+ dbg "write loop data: $s" if isdbg 'json';
+ print $dataf "$s\n";
+}
+
+sub cycle_loop_data_files
+{
+ $dataf->close if $dataf;
+ undef $dataf;
+
+ rename "$datafn.oooo", "$datafn.ooooo";
+ rename "$datafn.ooo", "$datafn.oooo";
+ rename "$datafn.oo", "$datafn.ooo";
+ rename "$datafn.o", "$datafn.oo";
+ copy $datafn, "$datafn.o";
+}
+
+sub grab_history
+{
+ my $lg = shift;
+ my $let = shift;
+ my $start = shift || time - 86400;
+ my $dayno = shift;
+ my @out;
+
+ if ($lg->open($dayno, 'r+')) {
+ while (my $l = $lg->read) {
+ next unless $l =~ /,"$let":/;
+ my ($t) = $l =~ /"t":(\d+)/;
+ if ($t && $t >= $start) {
+ push @out, $l;
+ }
+ }
+ $lg->close;
+ }
+ return @out;
+}