[ViewVC] Annotation of: cvs/aor/aorscan

#!/opt/bin/perl

# http://www.beepworld.de/members81/frequenzen/flughaefen.htm
# http://www.dia.unisa.it/professori/ads/corso-security/www/CORSO-9900/a5/Netsec/netsec.html
# http://www.scnt01426.pwp.blueyonder.co.uk/Articles/RS-232/AR-8000.htm

use List::Util;
use Array::Heap2;

use Fcntl;
use POSIX;
use Time::HiRes;

use Event;

use Coro;
use Coro::Event;
use Coro::Timer qw(sleep);
use Coro::Signal;

use PDL ();
use PDL::FFTW;
use PDL::Audio;
use PDL::IO::Pic;

use PApp::SQL;

use strict;

sub BAUD()       { 9600 }
sub RESOLUTION() { 50 } # in Hz
sub round($)     { int ($_[0] / RESOLUTION + 0.5) * RESOLUTION }
sub MD_DELAY()   { 0.0010 } # delay after mode switch
sub RF_DELAY()   { 0.0040 } # delay after freq change

sub AFT_INTERVAL_MIN()    { 3333 }

$PApp::SQL::DBH = PApp::SQL::connect_cached __FILE__, "DBI:mysql:database=aor;mysql_read_default_file=/root/.my.cnf"
   or die "unable to open mysql database aor";

my $tty = $ARGV[0] || "/dev/ttyS0";

sub AGC_MAX() { 26000 }

my $record_rate  = 48000;
my $record_init  = "amixer sset Mic cap";
my $record_set   = "amixer sset Capture {}%";
my $record_cmd   = "arecord -traw -c1 -fS16_LE -r$record_rate 2>/dev/null";
my $playback_on  = "amixer sset Mic unmute";
my $playback_off = "amixer sset Mic mute";
my $playback_set = "amixer sset Mic {}%";

if ($ARGV[0] eq "--addrange") {
   my (undef, $mode, $lo, $hi, $step, $level) = @ARGV;

   my $cnt;
   while () {
      my $f = $lo + $cnt++ * $step;

      last if $f > $hi;

      eval {
         sql_exec "insert into freq (mode, freq, width, activity_level) values (?, ?, ?, ?)",
                  $mode, round $f, $step, $level;
      };
   }

   exit;
} elsif ($ARGV[0] eq "--daemon") {
   # nop
} else {
   # exit
}

sub imag($) {
   my ($pdl) = @_;
   wpic $pdl, "/tmp/aor.pgm";
   system "cv", "/tmp/aor.pgm";
}

sub acmd($;$) {
   my ($cmd, $arg) = @_;

   $cmd =~ s/\{\}/$arg/g;
   system "$cmd >/dev/null";
}

my $record_buf;
my $record_vol = 13; # 100

sub record($$) {
   my ($data_cb, $done_cb) = @_;

   $record_buf = "";

   open my $fh, "-|", $record_cmd
      or die "$record_cmd: $!";

   Event->io (fd => $fh, poll => 'r', cb => sub {
      if (sysread $fh, $record_buf, 65536, length $record_buf) {
         if (4096 < length $record_buf) {
            # do the agc adjustment
            my $pdl = PDL::Core::short (unpack "v*", substr $record_buf, -4096);
            if (AGC_MAX < $pdl->abs->max) {
               acmd $record_set, --$record_vol;
#               printf "AGC %d $record_vol\n", max abs $pdl;
            }
         }

         unless ($data_cb->()) {
            $_[0]->w->cancel;
            $done_cb->();
         }
      } else {
         $_[0]->w->cancel;
         $done_cb->();
      }
   });
}

sub record_nsamples($) {
   my $bytes = $_[0] * 2;

   my $done = new Coro::Signal;

   record sub {
      $bytes > length $record_buf
   }, sub {
      $done->send;
   };

   $done->wait;

   substr $record_buf, -$bytes
}

my $NOW = time;

Event->timer (after => 0, interval => 1, hard => 1, prio => 3, cb => sub { $NOW = time });

open my $aor, "+<:raw", $tty
   or die "$tty: $!";

{
   my $tio = new POSIX::Termios;

   $tio->getattr (fileno $aor);

   $tio->setiflag (POSIX::IXOFF | POSIX::IXON);
   $tio->setoflag (0);
   $tio->setcflag (POSIX::CLOCAL | POSIX::CREAD | POSIX::CSTOPB | POSIX::CS8);
   $tio->setlflag (0);
   $tio->setispeed (&POSIX::B9600);
   $tio->setospeed (&POSIX::B9600);

   $tio->setattr (fileno $aor);
}

my %mode = (
   0 => "WFM",
   1 => "NFM",
   2 => "AM",
   3 => "USB",
   4 => "LSB",
   5 => "CW",
);

my %parse_resp = (
   LM => sub { 0x7f & hex substr $_, 2 },
);

sub cmd($) {
#   print ">$_[0]<\n";#d#
#   fcntl $aor, F_SETFL, 0;
   syswrite $aor, "$_[0]\015\012";
}

# seconds, overhead
sub delay($;$) {
   my $bytes = int $_[0] * (BAUD / 11) - $_[1];

   " " x ($bytes - 2)
}

sub tune($$) {
   (
      "MD$_[0]" . (delay MD_DELAY, 4),
      "RF" . (round $_[1]) . (delay RF_DELAY, 4),
   )
}

cmd "MC1";   # mic off (0 = on, 1 = off, 2 = squelch)
cmd "ST000050"; # minimum stepsize
acmd $record_init;
acmd $record_set, $record_vol;
acmd $playback_off;

my @send_jobs;
my $send_requeue;
my ($curfreq, $curmode);
my $pipeline = 4;

my $resp_buf;
my @resp_jobs;

sub send_scheduler {
   while (@send_jobs
          && @resp_jobs < $pipeline
          && (!@resp_jobs || !$resp_jobs[-1]{exclusive})
   ) {
      if ($send_requeue) {
         # re-sort queue
         $send_requeue = 0;

         @send_jobs = sort {
            $b->{nice} <=> $a->{nice}
            || $b->{mode} <=> $a->{mode}
            || $b->{freq} <=> $a->{freq};
         } @send_jobs;
      }

      my $job = pop @send_jobs;

      my ($cmd, @exp);

      $job->{exp} = [];
      $job->{res} = [];

      for (@{ $job->{cmd} }) {
         if (/^MD/) {
            next if $curmode eq $_;
            $curmode = $_;
         } elsif (/^RF/) {
            next if $curfreq eq $_;
            $curfreq = $_;
         }

         push @exp, $1 if s/^(..)=//;
         $cmd .= "$_\015\012";
      }

      printf "\r%s %s %4d %4d         ", $curmode, $curfreq, $job->{nice}, scalar @send_jobs;

      $job->{exp} = \@exp;
      $job->{res} = [];

      syswrite $aor, $cmd;

      if (@exp) {
         push @resp_jobs, $job;
      } else {
         $job->{done}->send;
      }
   }
}

Event->io (fd => $aor, prio => 1, poll => 'r', cb => sub {
   sysread $aor, $resp_buf, 4096, length $resp_buf;

   while ($resp_buf =~ s/^([^\015\012]*)[\012\015]+//s) {
      local $_ = $1;
      s/[\012\015]//g;

      next unless /^\S/;

      @resp_jobs or die "out of sync: expected nothing, but got '$_'\n";

      my $exp = shift @{ $resp_jobs[0]{exp} };

      $exp eq substr $_, 0, 2
         or die "sync error: expected '$exp', got '$_'\n";

      push @{ $resp_jobs[0]{res} }, $parse_resp{$exp}->();

      unless (@{ $resp_jobs[0]{exp} }) {
         my $job = shift @resp_jobs;

         $job->{exclusive}->() if $job->{exclusive};
         $job->{done}->send;

         send_scheduler;
      }

      next;
   }
});

sub job::result {
   my ($self) = @_;

   $self->{done}->wait;

   wantarray ? @{ $self->{res} } : $self->{res}[0]
}

sub job {
   my ($nice, $mode, $freq, @cmd) = @_;

   my $job = bless {
      mode => $mode,
      freq => round $freq,
      cmd  => \@cmd,
      done => new Coro::Signal,
      nice => $nice,
   }, job::;

   unshift @cmd, tune $mode, $freq;

   if (@cmd && ref $cmd[-1]) {
      $job->{exclusive} = pop @cmd;
   }

   push @send_jobs, $job;
   $send_requeue = 1;

   send_scheduler;

   $job
}

sub aft($$$$) {
   my ($nice, $mode, $center, $radius) = @_;

   $radius = List::Util::max RESOLUTION, $radius * 0.1;

   my @level = map [$_->{freq}, (List::Util::sum $_->result) / 5],
                  map +(job $nice, $mode, $center + $radius * $_, ((delay 0.002, 4), "LM=LM") x 5),
                     -10 .. 10;

   my ($tune, $weight);
   for (@level) {
      my ($f, $w) = @$_;

      $w **= 8;

      $tune   += $f * $w;
      $weight += $w;
   }

   (
      int ($tune / $weight / RESOLUTION) * RESOLUTION,
      int 0.5 + List::Util::max map $_->[1], @level,
   )
}

sub sweep {
   my ($nice, $freqs, $cb) = @_;

   my @jobs = map {
      job $nice, $_->[0], $_->[1], "LM=LM";
   } @$freqs;

   $cb->($freqs->[$_], $jobs[$_]->result)
      for 0 .. $#jobs;
}

#############################################################################
# raw search

async {
   my $nice = 1000;

   while () {
      my @info = sql_fetchall "select mode, freq, width, activity_level from freq
                               where check_level < activity_level
                                 and check_time < ?
                               order by check_time, mode, freq
                               limit 1000",
                              $NOW;

      if (@info) {
         sweep $nice, \@info, sub {
            my ($info, $pre_lm) = @_;
            my ($mode, $freq, $width, $activity_level) = @$info;

            if ($pre_lm >= $activity_level) {
#               print "found possible frequency $mode:$freq $pre_lm>=$activity_level\n";

               my ($aft_freq, $aft_lm) = aft 0, $mode, $freq, $width * 0.9;

               if ($aft_lm >= $activity_level) {
                  print "$mode:$aft_freq($freq) $activity_level<= $pre_lm,$aft_lm ";

                  if ($freq - 0.5 * $width <= $aft_freq && $aft_freq <= $freq + 0.5 * $width) {
                     print "tuned\n";
                     sql_exec "update freq set check_time = ?, check_freq = ?, check_level = ?
                               where mode = ? and freq = ?",
                              $NOW + 86400*5 - (rand 86400), $aft_freq, $aft_lm,
                              $mode, $freq;
                  } else {
                     # outlier
                     print "outlier\n";
                     sql_exec "update freq set check_time = ?, check_freq = 0, check_level = 0
                               where mode = ? and freq = ?",
                              $NOW + 86400*7 - (rand 86400),
                              $mode, $freq;
                  }
               } else {
                  # currently inactive
                  print "$mode:$aft_freq($freq) $activity_level <= ($pre_lm, $aft_lm)\n";
                  sql_exec "update freq set check_time = ?
                            where mode = ? and freq = ?",
                           $NOW + 3600 + (rand 3600),
                           $mode, $freq;
               };
            } else {
               # currently inactive
               sql_exec "update freq set check_time = ?
                         where mode = ? and freq = ?",
                        $NOW,
                        $mode, $freq;
            }
         };
      } else {
         Coro::Timer::sleep 60;
      }
   }
};

#############################################################################
# scan active freqs

async {
   my $nice = 100;

   while () {
      my $st = sql_exec \my ($mode, $freq, $width, $aft_freq, $activity_level),
                        "select mode, freq, width, check_freq, activity_level
                         from freq
                         where check_level >= activity_level and check_freq > 0";

      if ($st->rows) {
         my @jobs;

         while ($st->fetch) {
            next if -e "/root/aor/$mode,$freq";

            push @jobs, [$mode, $freq, $activity_level,
                         job $nice, $mode, $aft_freq, "LM=LM"]
         }

         for (@jobs) {
            my ($mode, $freq, $activity_level, $job) = @$_;

            my $lm = $job->result;
            
            if ($lm >= $activity_level) {
               warn "record $job->{mode} $job->{freq} $lm\n";
               (job $nice-1, $mode, $job->{freq}, "LM=LM", sub {
#               (job $nice-1, 0, 98400000, "LM=LM", sub {
                  acmd $playback_on;
                  my $data = record_nsamples $record_rate * 10;
                  acmd $playback_off;

                  open my $fh, ">:raw", "/root/aor/$mode,$freq"
                     or die "/root/aor/$mode,$freq: $!";
                  print $fh $data;
                  close $fh;

#                  my $data = 0.5 + (1 / 65536) * float unpack "v*", record_nsamples $record_rate * 0.1;
                  #$data = sin +(1/480) * xvals zeroes 48000;
#                  $data->reshape (100, $record_rate / 100);
                  #
#                  my $spectrum = 120 + cat map spectrum ($data->slice ("($_),"), "dB", "KAISER"), 0..99;
#                  printf "%s %s\n", (min $spectrum), (max $spectrum);
#                  imag short $spectrum;
               })->result;

               Coro::Timer::sleep 1;
            }
         }

         Coro::Timer::sleep 5;
      } else {
         Coro::Timer::sleep 300;
      }
   }
};

#############################################################################

$| = 1;

Coro::Event::loop;

__END__
mysql -e "delete from freq" aor
./aorscan --addrange 1   26565000   27405000 10000               25
./aorscan --addrange 1   34360000   35800000 20000               25
./aorscan --addrange 1   38460000   39840000 20000               25
./aorscan --addrange 1   74215000   77455000 20000               25
./aorscan --addrange 1   84015000   87255000 20000               24
./aorscan --addrange 2  108000000  144000000 25000               20
./aorscan --addrange 1  118000000  136000000  8333.3333333333333 24
./aorscan --addrange 1  108000000  144000000 25000               24
./aorscan --addrange 4  165210000  169380000 20000               24
./aorscan --addrange 3  169810000  173980000 20000               24
./aorscan --addrange 1  230000000  328000000  8333.3333333333333 10
./aorscan --addrange 2  230000000  328000000 50000               20
./aorscan --addrange 1  438650000  439425000 25000               10
./aorscan --addrange 4  443600000  444962500 12500               10
./aorscan --addrange 3  448600000  449962500 12500               10
./aorscan --addrange 1 1270200000 1270700000 25000               10
./aorscan --addrange 1 1298200000 1298700000 25000               10

./aorscan --addrange 3    2690000    2690000 25000               10
./aorscan --addrange 3    3413000    3413000 25000               10
./aorscan --addrange 4    3413000    3413000 25000               10
./aorscan --addrange 3    5640000    5640000 25000               10
./aorscan --addrange 4    5640000    5640000 25000               10
./aorscan --addrange 3    8957000    8957000 25000               10
./aorscan --addrange 4    8957000    8957000 25000               10
./aorscan --addrange 3   13264000   13264000 25000               10
./aorscan --addrange 4   13264000   13264000 25000               10

Revision:	1.8
Committed:	Mon Oct 3 04:42:49 2005 UTC (18 years, 8 months ago) by root
Branch:	MAIN
Changes since 1.7:	+6 -4 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#!/opt/bin/perl
2
3			# http://www.beepworld.de/members81/frequenzen/flughaefen.htm
4			# http://www.dia.unisa.it/professori/ads/corso-security/www/CORSO-9900/a5/Netsec/netsec.html
5			# http://www.scnt01426.pwp.blueyonder.co.uk/Articles/RS-232/AR-8000.htm
6
7			use List::Util;
8			use Array::Heap2;
9
10			use Fcntl;
11			use POSIX;
12			use Time::HiRes;
13
14			use Event;
15
16			use Coro;
17	root	1.2	use Coro::Event;
18	root	1.1	use Coro::Timer qw(sleep);
19			use Coro::Signal;
20
21	root	1.2	use PDL ();
22	root	1.6	use PDL::FFTW;
23			use PDL::Audio;
24			use PDL::IO::Pic;
25	root	1.2
26	root	1.1	use PApp::SQL;
27
28	root	1.2	use strict;
29
30	root	1.1	sub BAUD() { 9600 }
31			sub RESOLUTION() { 50 } # in Hz
32			sub round($) { int ($_[0] / RESOLUTION + 0.5) * RESOLUTION }
33	root	1.7	sub MD_DELAY() { 0.0010 } # delay after mode switch
34			sub RF_DELAY() { 0.0040 } # delay after freq change
35	root	1.1
36	root	1.2	sub AFT_INTERVAL_MIN() { 3333 }
37	root	1.1
38			$PApp::SQL::DBH = PApp::SQL::connect_cached __FILE__, "DBI:mysql:database=aor;mysql_read_default_file=/root/.my.cnf"
39			or die "unable to open mysql database aor";
40
41	root	1.2	my $tty = $ARGV[0] \|\| "/dev/ttyS0";
42
43			sub AGC_MAX() { 26000 }
44
45			my $record_rate = 48000;
46			my $record_init = "amixer sset Mic cap";
47			my $record_set = "amixer sset Capture {}%";
48			my $record_cmd = "arecord -traw -c1 -fS16_LE -r$record_rate 2>/dev/null";
49			my $playback_on = "amixer sset Mic unmute";
50			my $playback_off = "amixer sset Mic mute";
51			my $playback_set = "amixer sset Mic {}%";
52
53	root	1.7	if ($ARGV[0] eq "--addrange") {
54			my (undef, $mode, $lo, $hi, $step, $level) = @ARGV;
55
56			my $cnt;
57			while () {
58			my $f = $lo + $cnt++ * $step;
59
60			last if $f > $hi;
61
62			eval {
63			sql_exec "insert into freq (mode, freq, width, activity_level) values (?, ?, ?, ?)",
64			$mode, round $f, $step, $level;
65			};
66			}
67
68			exit;
69			} elsif ($ARGV[0] eq "--daemon") {
70			# nop
71			} else {
72			# exit
73			}
74
75	root	1.2	sub imag($) {
76			my ($pdl) = @_;
77			wpic $pdl, "/tmp/aor.pgm";
78			system "cv", "/tmp/aor.pgm";
79			}
80
81			sub acmd($;$) {
82			my ($cmd, $arg) = @_;
83
84			$cmd =~ s/\{\}/$arg/g;
85			system "$cmd >/dev/null";
86			}
87
88			my $record_buf;
89	root	1.7	my $record_vol = 13; # 100
90	root	1.2
91			sub record($$) {
92			my ($data_cb, $done_cb) = @_;
93
94			$record_buf = "";
95
96			open my $fh, "-\|", $record_cmd
97			or die "$record_cmd: $!";
98
99			Event->io (fd => $fh, poll => 'r', cb => sub {
100			if (sysread $fh, $record_buf, 65536, length $record_buf) {
101			if (4096 < length $record_buf) {
102			# do the agc adjustment
103	root	1.6	my $pdl = PDL::Core::short (unpack "v*", substr $record_buf, -4096);
104	root	1.2	if (AGC_MAX < $pdl->abs->max) {
105			acmd $record_set, --$record_vol;
106			# printf "AGC %d $record_vol\n", max abs $pdl;
107			}
108			}
109
110			unless ($data_cb->()) {
111			$_[0]->w->cancel;
112			$done_cb->();
113			}
114			} else {
115			$_[0]->w->cancel;
116			$done_cb->();
117			}
118			});
119			}
120
121			sub record_nsamples($) {
122			my $bytes = $_[0] * 2;
123
124			my $done = new Coro::Signal;
125
126			record sub {
127			$bytes > length $record_buf
128			}, sub {
129			$done->send;
130			};
131
132			$done->wait;
133
134			substr $record_buf, -$bytes
135			}
136
137			my $NOW = time;
138	root	1.1
139	root	1.2	Event->timer (after => 0, interval => 1, hard => 1, prio => 3, cb => sub { $NOW = time });
140	root	1.1
141			open my $aor, "+<:raw", $tty
142			or die "$tty: $!";
143
144			{
145			my $tio = new POSIX::Termios;
146
147			$tio->getattr (fileno $aor);
148
149			$tio->setiflag (POSIX::IXOFF \| POSIX::IXON);
150			$tio->setoflag (0);
151			$tio->setcflag (POSIX::CLOCAL \| POSIX::CREAD \| POSIX::CSTOPB \| POSIX::CS8);
152			$tio->setlflag (0);
153			$tio->setispeed (&POSIX::B9600);
154			$tio->setospeed (&POSIX::B9600);
155
156			$tio->setattr (fileno $aor);
157			}
158
159			my %mode = (
160			0 => "WFM",
161			1 => "NFM",
162			2 => "AM",
163			3 => "USB",
164			4 => "LSB",
165			5 => "CW",
166			);
167
168	root	1.7	my %parse_resp = (
169			LM => sub { 0x7f & hex substr $_, 2 },
170			);
171
172	root	1.1	sub cmd($) {
173			# print ">$_[0]<\n";#d#
174			# fcntl $aor, F_SETFL, 0;
175			syswrite $aor, "$_[0]\015\012";
176			}
177
178	root	1.7	# seconds, overhead
179			sub delay($;$) {
180			my $bytes = int $_[0] * (BAUD / 11) - $_[1];
181	root	1.1
182			" " x ($bytes - 2)
183			}
184
185	root	1.7	sub tune($$) {
186			(
187			"MD$_[0]" . (delay MD_DELAY, 4),
188			"RF" . (round $_[1]) . (delay RF_DELAY, 4),
189			)
190			}
191
192	root	1.1	cmd "MC1"; # mic off (0 = on, 1 = off, 2 = squelch)
193			cmd "ST000050"; # minimum stepsize
194	root	1.2	acmd $record_init;
195			acmd $record_set, $record_vol;
196			acmd $playback_off;
197	root	1.1
198			my @send_jobs;
199	root	1.4	my $send_requeue;
200	root	1.1	my ($curfreq, $curmode);
201	root	1.2	my $pipeline = 4;
202	root	1.1
203	root	1.7	my $resp_buf;
204	root	1.1	my @resp_jobs;
205
206			sub send_scheduler {
207	root	1.2	while (@send_jobs
208			&& @resp_jobs < $pipeline
209			&& (!@resp_jobs \|\| !$resp_jobs[-1]{exclusive})
210			) {
211	root	1.4	if ($send_requeue) {
212			# re-sort queue
213			$send_requeue = 0;
214
215			@send_jobs = sort {
216			$b->{nice} <=> $a->{nice}
217			\|\| $b->{mode} <=> $a->{mode}
218			\|\| $b->{freq} <=> $a->{freq};
219			} @send_jobs;
220			}
221
222			my $job = pop @send_jobs;
223	root	1.1
224			my ($cmd, @exp);
225
226			$job->{exp} = [];
227			$job->{res} = [];
228
229			for (@{ $job->{cmd} }) {
230	root	1.7	if (/^MD/) {
231			next if $curmode eq $_;
232			$curmode = $_;
233			} elsif (/^RF/) {
234			next if $curfreq eq $_;
235			$curfreq = $_;
236			}
237
238	root	1.1	push @exp, $1 if s/^(..)=//;
239			$cmd .= "$_\015\012";
240			}
241
242	root	1.7	printf "\r%s %s %4d %4d ", $curmode, $curfreq, $job->{nice}, scalar @send_jobs;
243
244	root	1.1	$job->{exp} = \@exp;
245			$job->{res} = [];
246
247	root	1.2	syswrite $aor, $cmd;
248
249	root	1.1	if (@exp) {
250			push @resp_jobs, $job;
251			} else {
252			$job->{done}->send;
253			}
254			}
255			}
256
257			Event->io (fd => $aor, prio => 1, poll => 'r', cb => sub {
258	root	1.7	sysread $aor, $resp_buf, 4096, length $resp_buf;
259	root	1.1
260	root	1.7	while ($resp_buf =~ s/^([^\015\012]*)[\012\015]+//s) {
261			local $_ = $1;
262			s/[\012\015]//g;
263	root	1.1
264	root	1.7	next unless /^\S/;
265	root	1.1
266	root	1.7	@resp_jobs or die "out of sync: expected nothing, but got '$_'\n";
267	root	1.1
268			my $exp = shift @{ $resp_jobs[0]{exp} };
269
270	root	1.7	$exp eq substr $_, 0, 2
271			or die "sync error: expected '$exp', got '$_'\n";
272	root	1.1
273	root	1.7	push @{ $resp_jobs[0]{res} }, $parse_resp{$exp}->();
274	root	1.1
275			unless (@{ $resp_jobs[0]{exp} }) {
276	root	1.2	my $job = shift @resp_jobs;
277
278			$job->{exclusive}->() if $job->{exclusive};
279			$job->{done}->send;
280
281	root	1.1	send_scheduler;
282			}
283
284			next;
285			}
286			});
287
288			sub job::result {
289			my ($self) = @_;
290
291			$self->{done}->wait;
292
293			wantarray ? @{ $self->{res} } : $self->{res}[0]
294			}
295
296			sub job {
297			my ($nice, $mode, $freq, @cmd) = @_;
298
299			my $job = bless {
300	root	1.7	mode => $mode,
301	root	1.1	freq => round $freq,
302			cmd => \@cmd,
303			done => new Coro::Signal,
304	root	1.4	nice => $nice,
305	root	1.1	}, job::;
306
307	root	1.7	unshift @cmd, tune $mode, $freq;
308
309	root	1.2	if (@cmd && ref $cmd[-1]) {
310			$job->{exclusive} = pop @cmd;
311			}
312
313	root	1.4	push @send_jobs, $job;
314			$send_requeue = 1;
315	root	1.1
316			send_scheduler;
317
318			$job
319			}
320
321	root	1.2	sub aft($$$$) {
322			my ($nice, $mode, $center, $radius) = @_;
323	root	1.1
324			$radius = List::Util::max RESOLUTION, $radius * 0.1;
325
326	root	1.7	my @level = map [$_->{freq}, (List::Util::sum $_->result) / 5],
327			map +(job $nice, $mode, $center + $radius * $_, ((delay 0.002, 4), "LM=LM") x 5),
328	root	1.1	-10 .. 10;
329
330			my ($tune, $weight);
331			for (@level) {
332			my ($f, $w) = @$_;
333
334			$w **= 8;
335
336			$tune += $f * $w;
337			$weight += $w;
338			}
339
340	root	1.6	(
341			int ($tune / $weight / RESOLUTION) * RESOLUTION,
342			int 0.5 + List::Util::max map $_->[1], @level,
343			)
344	root	1.1	}
345
346			sub sweep {
347	root	1.2	my ($nice, $freqs, $cb) = @_;
348	root	1.1
349	root	1.4	my @jobs = map {
350			job $nice, $_->[0], $_->[1], "LM=LM";
351			} @$freqs;
352	root	1.1
353	root	1.7	$cb->($freqs->[$_], $jobs[$_]->result)
354	root	1.4	for 0 .. $#jobs;
355	root	1.2	}
356	root	1.1
357	root	1.2	#############################################################################
358	root	1.4	# raw search
359	root	1.2
360			async {
361			my $nice = 1000;
362	root	1.1
363	root	1.2	while () {
364	root	1.7	my @info = sql_fetchall "select mode, freq, width, activity_level from freq
365			where check_level < activity_level
366			and check_time < ?
367			order by check_time, mode, freq
368			limit 1000",
369			$NOW;
370	root	1.2
371	root	1.5	if (@info) {
372			sweep $nice, \@info, sub {
373	root	1.7	my ($info, $pre_lm) = @_;
374			my ($mode, $freq, $width, $activity_level) = @$info;
375	root	1.2
376	root	1.7	if ($pre_lm >= $activity_level) {
377			# print "found possible frequency $mode:$freq $pre_lm>=$activity_level\n";
378	root	1.2
379	root	1.7	my ($aft_freq, $aft_lm) = aft 0, $mode, $freq, $width * 0.9;
380	root	1.2
381	root	1.7	if ($aft_lm >= $activity_level) {
382			print "$mode:$aft_freq($freq) $activity_level<= $pre_lm,$aft_lm ";
383	root	1.4
384	root	1.7	if ($freq - 0.5 * $width <= $aft_freq && $aft_freq <= $freq + 0.5 * $width) {
385			print "tuned\n";
386			sql_exec "update freq set check_time = ?, check_freq = ?, check_level = ?
387			where mode = ? and freq = ?",
388			$NOW + 86400*5 - (rand 86400), $aft_freq, $aft_lm,
389			$mode, $freq;
390			} else {
391			# outlier
392			print "outlier\n";
393			sql_exec "update freq set check_time = ?, check_freq = 0, check_level = 0
394			where mode = ? and freq = ?",
395			$NOW + 86400*7 - (rand 86400),
396			$mode, $freq;
397			}
398	root	1.2	} else {
399	root	1.7	# currently inactive
400			print "$mode:$aft_freq($freq) $activity_level <= ($pre_lm, $aft_lm)\n";
401			sql_exec "update freq set check_time = ?
402	root	1.2	where mode = ? and freq = ?",
403	root	1.7	$NOW + 3600 + (rand 3600),
404	root	1.2	$mode, $freq;
405	root	1.7	};
406	root	1.2	} else {
407			# currently inactive
408	root	1.7	sql_exec "update freq set check_time = ?
409	root	1.2	where mode = ? and freq = ?",
410	root	1.7	$NOW,
411	root	1.2	$mode, $freq;
412			}
413	root	1.4	};
414	root	1.2	} else {
415	root	1.7	Coro::Timer::sleep 60;
416	root	1.2	}
417	root	1.1	}
418	root	1.2	};
419
420			#############################################################################
421			# scan active freqs
422	root	1.1
423			async {
424	root	1.2	my $nice = 100;
425
426	root	1.1	while () {
427	root	1.6	my $st = sql_exec \my ($mode, $freq, $width, $aft_freq, $activity_level),
428	root	1.7	"select mode, freq, width, check_freq, activity_level
429	root	1.2	from freq
430	root	1.7	where check_level >= activity_level and check_freq > 0";
431	root	1.2
432			if ($st->rows) {
433			my @jobs;
434
435			while ($st->fetch) {
436	root	1.8	next if -e "/root/aor/$mode,$freq";
437
438			push @jobs, [$mode, $freq, $activity_level,
439			job $nice, $mode, $aft_freq, "LM=LM"]
440	root	1.2	}
441
442			for (@jobs) {
443	root	1.8	my ($mode, $freq, $activity_level, $job) = @$_;
444	root	1.2
445	root	1.7	my $lm = $job->result;
446	root	1.2
447	root	1.7	if ($lm >= $activity_level) {
448	root	1.8	warn "record $job->{mode} $job->{freq} $lm\n";
449	root	1.2	(job $nice-1, $mode, $job->{freq}, "LM=LM", sub {
450			# (job $nice-1, 0, 98400000, "LM=LM", sub {
451	root	1.7	acmd $playback_on;
452	root	1.6	my $data = record_nsamples $record_rate * 10;
453	root	1.7	acmd $playback_off;
454	root	1.6
455			open my $fh, ">:raw", "/root/aor/$mode,$freq"
456			or die "/root/aor/$mode,$freq: $!";
457			print $fh $data;
458			close $fh;
459
460	root	1.2	# my $data = 0.5 + (1 / 65536) * float unpack "v", record_nsamples $record_rate 0.1;
461			#$data = sin +(1/480) * xvals zeroes 48000;
462			# $data->reshape (100, $record_rate / 100);
463			#
464			# my $spectrum = 120 + cat map spectrum ($data->slice ("($_),"), "dB", "KAISER"), 0..99;
465			# printf "%s %s\n", (min $spectrum), (max $spectrum);
466			# imag short $spectrum;
467			})->result;
468	root	1.6
469			Coro::Timer::sleep 1;
470	root	1.2	}
471			}
472	root	1.1
473	root	1.7	Coro::Timer::sleep 5;
474	root	1.2	} else {
475	root	1.6	Coro::Timer::sleep 300;
476	root	1.2	}
477	root	1.1	}
478			};
479
480	root	1.2	#############################################################################
481
482	root	1.4	$\| = 1;
483
484	root	1.1	Coro::Event::loop;
485
486			__END__
487			mysql -e "delete from freq" aor
488	root	1.2	./aorscan --addrange 1 26565000 27405000 10000 25
489			./aorscan --addrange 1 34360000 35800000 20000 25
490			./aorscan --addrange 1 38460000 39840000 20000 25
491			./aorscan --addrange 1 74215000 77455000 20000 25
492			./aorscan --addrange 1 84015000 87255000 20000 24
493			./aorscan --addrange 2 108000000 144000000 25000 20
494			./aorscan --addrange 1 118000000 136000000 8333.3333333333333 24
495			./aorscan --addrange 1 108000000 144000000 25000 24
496			./aorscan --addrange 4 165210000 169380000 20000 24
497			./aorscan --addrange 3 169810000 173980000 20000 24
498			./aorscan --addrange 1 230000000 328000000 8333.3333333333333 10
499			./aorscan --addrange 2 230000000 328000000 50000 20
500			./aorscan --addrange 1 438650000 439425000 25000 10
501			./aorscan --addrange 4 443600000 444962500 12500 10
502			./aorscan --addrange 3 448600000 449962500 12500 10
503			./aorscan --addrange 1 1270200000 1270700000 25000 10
504			./aorscan --addrange 1 1298200000 1298700000 25000 10
505
506			./aorscan --addrange 3 2690000 2690000 25000 10
507			./aorscan --addrange 3 3413000 3413000 25000 10
508			./aorscan --addrange 4 3413000 3413000 25000 10
509			./aorscan --addrange 3 5640000 5640000 25000 10
510			./aorscan --addrange 4 5640000 5640000 25000 10
511			./aorscan --addrange 3 8957000 8957000 25000 10
512			./aorscan --addrange 4 8957000 8957000 25000 10
513			./aorscan --addrange 3 13264000 13264000 25000 10
514			./aorscan --addrange 4 13264000 13264000 25000 10
515	root	1.1