[ViewVC] Contents 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 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 {}%";

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 = 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::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
}

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
}

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",
);

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

sub delay($) {
   my $bytes = int ($_[0] * (BAUD / 11)) - 2;

   " " x ($bytes - 2)
}

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 $rbuf;
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);

      if ($curmode != $job->{mode}) {
         $cmd .= "MD$job->{mode}\015\012";
         $curmode = $job->{mode};
      }

      if ($curfreq != $job->{freq}) {
         $cmd .= "RF$job->{freq}\015\012";
         $curfreq = $job->{freq};
      }

      printf "\r%d:%010d %4d %4d         ", $curmode, $curfreq, $job->{nice}, scalar @send_jobs;

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

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

      $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, $rbuf, 4096, length $rbuf;

   while ($rbuf =~ s/^([^\015\012]*)[\012\015]+//s) {
      my $line = $1;
      $line =~ s/[\012\015]//g;

      next unless $line =~ /^\S/;

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

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

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

      push @{ $resp_jobs[0]{res} }, $line;

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

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

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

   send_scheduler;

   $job
}

sub lm {
   map +(hex substr $_, 2) & 0x7f, @_
}

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

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

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

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

      $w **= 8;

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

   my $lm = ($weight / @level) ** (1/8);

   (int ($tune / $weight / RESOLUTION) * RESOLUTION, $lm * 100)
}

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

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

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

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

async {
   my $nice = 1000;

   while () {
      my @info = sql_fetchall "select mode, freq, activity_level from freq
                               where search_level < activity_level
                               order by search_time, mode, freq
                               limit 1000";

      if (@info) {
         sweep $nice, \@info, sub {
            my ($info, $lm) = @_;

            print "found new frequency $info->[0]:$info->[1] $lm>=$info->[2]\n"
               if $lm >= $info->[2];

            sql_exec "update freq set search_time = ?, search_level = ?
                      where mode = ? and freq = ?",
                     $NOW, $lm,
                     $info->[0], $info->[1];
         };
      } else {
         Coro::Timer::sleep 60;
      }
   }
};

#############################################################################
# aft of active freqs

async {
   my $nice = 500;

   while () {
      my @info = sql_fetchall
                        "select mode, freq, width, activity_level
                         from freq
                         where (search_level >= activity_level
                                or aft_time > 0)
                           and aft_time < ?
                         order by mode, freq
                         limit 100",
                        $NOW;

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

            if ($lm >= $activity_level) {
               my ($tune, $weight) = aft $nice, $mode, $freq, $width * 0.9;

               print "$mode:$tune($freq) $lm>=$activity_level $weight ";

               if ($freq - 0.5 * $width <= $tune && $tune <= $freq + 0.5 * $width) {
                  print "tuned\n";
                  sql_exec "update freq set aft_time = ?, aft_freq = ?, aft_level = ?
                            where mode = ? and freq = ?",
                           $NOW + 86400*5 - (rand 86400), $tune, $weight,
                           $mode, $freq;
               } else {
                  # outlier
                  print "outlier\n";
                  sql_exec "update freq set aft_time = ?, aft_level = 0
                            where mode = ? and freq = ?",
                           $NOW + 86400*7 - (rand 86400),
                           $mode, $freq;
               }
            } else {
               # currently inactive
               sql_exec "update freq set aft_time = ?
                         where mode = ? and freq = ?",
                        $NOW + 10,
                        $mode, $freq;
            }
         };
         Coro::Timer::sleep 1;
      } else {
         Coro::Timer::sleep 10;
      }
   }
};

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

async {
   return;
   my $nice = 100;

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

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

         while ($st->fetch) {
            push @jobs, [$activity_level, job $nice, $mode, $freq, delay 0.040, "LM=LM"];
         }

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

            my @lm = lm $job->result;
            
            if ($lm[0] >= $activity_level) {
               warn "scan $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;
                  Coro::Timer::sleep 1;
#                  my $data = 0.5 + (1 / 65536) * float unpack "v*", record_nsamples $record_rate * 0.1;
                  acmd $playback_off;
                  #$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 60;
      } else {
         Coro::Timer::sleep 60;
      }
   }
};

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

$| = 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:	1.5
Committed:	Sun Oct 2 10:05:28 2005 UTC (18 years, 8 months ago) by root
Branch:	MAIN
Changes since 1.4:	+14 -12 lines
Log Message:	* empty log message *
#	Content
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	use Coro::Event;
18	use Coro::Timer qw(sleep);
19	use Coro::Signal;
20
21	use PDL ();
22	#use PDL::FFTW;
23	#use PDL::Audio;
24	#use PDL::IO::Pic;
25
26	use PApp::SQL;
27
28	use strict;
29
30	sub BAUD() { 9600 }
31	sub RESOLUTION() { 50 } # in Hz
32	sub round($) { int ($_[0] / RESOLUTION + 0.5) * RESOLUTION }
33
34	sub AFT_INTERVAL_MIN() { 3333 }
35
36	$PApp::SQL::DBH = PApp::SQL::connect_cached __FILE__, "DBI:mysql:database=aor;mysql_read_default_file=/root/.my.cnf"
37	or die "unable to open mysql database aor";
38
39	my $tty = $ARGV[0] \|\| "/dev/ttyS0";
40
41	sub AGC_MAX() { 26000 }
42
43	my $record_rate = 48000;
44	my $record_init = "amixer sset Mic cap";
45	my $record_set = "amixer sset Capture {}%";
46	my $record_cmd = "arecord -traw -c1 -fS16_LE -r$record_rate 2>/dev/null";
47	my $playback_on = "amixer sset Mic unmute";
48	my $playback_off = "amixer sset Mic mute";
49	my $playback_set = "amixer sset Mic {}%";
50
51	sub imag($) {
52	my ($pdl) = @_;
53	wpic $pdl, "/tmp/aor.pgm";
54	system "cv", "/tmp/aor.pgm";
55	}
56
57	sub acmd($;$) {
58	my ($cmd, $arg) = @_;
59
60	$cmd =~ s/\{\}/$arg/g;
61	system "$cmd >/dev/null";
62	}
63
64	my $record_buf;
65	my $record_vol = 100;
66
67	sub record($$) {
68	my ($data_cb, $done_cb) = @_;
69
70	$record_buf = "";
71
72	open my $fh, "-\|", $record_cmd
73	or die "$record_cmd: $!";
74
75	Event->io (fd => $fh, poll => 'r', cb => sub {
76	if (sysread $fh, $record_buf, 65536, length $record_buf) {
77	if (4096 < length $record_buf) {
78	# do the agc adjustment
79	my $pdl = PDL::short (unpack "v*", substr $record_buf, -4096);
80	if (AGC_MAX < $pdl->abs->max) {
81	acmd $record_set, --$record_vol;
82	# printf "AGC %d $record_vol\n", max abs $pdl;
83	}
84	}
85
86	unless ($data_cb->()) {
87	$_[0]->w->cancel;
88	$done_cb->();
89	}
90	} else {
91	$_[0]->w->cancel;
92	$done_cb->();
93	}
94	});
95	}
96
97	sub record_nsamples($) {
98	my $bytes = $_[0] * 2;
99
100	my $done = new Coro::Signal;
101
102	record sub {
103	$bytes > length $record_buf
104	}, sub {
105	$done->send;
106	};
107
108	$done->wait;
109
110	substr $record_buf, -$bytes
111	}
112
113	if ($ARGV[0] eq "--addrange") {
114	my (undef, $mode, $lo, $hi, $step, $level) = @ARGV;
115
116	my $cnt;
117	while () {
118	my $f = $lo + $cnt++ * $step;
119
120	last if $f > $hi;
121
122	eval {
123	sql_exec "insert into freq (mode, freq, width, activity_level) values (?, ?, ?, ?)",
124	$mode, round $f, $step, $level;
125	};
126	}
127
128	exit;
129	} elsif ($ARGV[0] eq "--daemon") {
130	# nop
131	} else {
132	# exit
133	}
134
135	my $NOW = time;
136
137	Event->timer (after => 0, interval => 1, hard => 1, prio => 3, cb => sub { $NOW = time });
138
139	open my $aor, "+<:raw", $tty
140	or die "$tty: $!";
141
142	{
143	my $tio = new POSIX::Termios;
144
145	$tio->getattr (fileno $aor);
146
147	$tio->setiflag (POSIX::IXOFF \| POSIX::IXON);
148	$tio->setoflag (0);
149	$tio->setcflag (POSIX::CLOCAL \| POSIX::CREAD \| POSIX::CSTOPB \| POSIX::CS8);
150	$tio->setlflag (0);
151	$tio->setispeed (&POSIX::B9600);
152	$tio->setospeed (&POSIX::B9600);
153
154	$tio->setattr (fileno $aor);
155	}
156
157	my %mode = (
158	0 => "WFM",
159	1 => "NFM",
160	2 => "AM",
161	3 => "USB",
162	4 => "LSB",
163	5 => "CW",
164	);
165
166	sub cmd($) {
167	# print ">$_[0]<\n";#d#
168	# fcntl $aor, F_SETFL, 0;
169	syswrite $aor, "$_[0]\015\012";
170	}
171
172	sub delay($) {
173	my $bytes = int ($_[0] * (BAUD / 11)) - 2;
174
175	" " x ($bytes - 2)
176	}
177
178	cmd "MC1"; # mic off (0 = on, 1 = off, 2 = squelch)
179	cmd "ST000050"; # minimum stepsize
180	acmd $record_init;
181	acmd $record_set, $record_vol;
182	acmd $playback_off;
183
184	my @send_jobs;
185	my $send_requeue;
186	my ($curfreq, $curmode);
187	my $pipeline = 4;
188
189	my $rbuf;
190	my @resp_jobs;
191
192	sub send_scheduler {
193	while (@send_jobs
194	&& @resp_jobs < $pipeline
195	&& (!@resp_jobs \|\| !$resp_jobs[-1]{exclusive})
196	) {
197	if ($send_requeue) {
198	# re-sort queue
199	$send_requeue = 0;
200
201	@send_jobs = sort {
202	$b->{nice} <=> $a->{nice}
203	\|\| $b->{mode} <=> $a->{mode}
204	\|\| $b->{freq} <=> $a->{freq};
205	} @send_jobs;
206	}
207
208	my $job = pop @send_jobs;
209
210	my ($cmd, @exp);
211
212	if ($curmode != $job->{mode}) {
213	$cmd .= "MD$job->{mode}\015\012";
214	$curmode = $job->{mode};
215	}
216
217	if ($curfreq != $job->{freq}) {
218	$cmd .= "RF$job->{freq}\015\012";
219	$curfreq = $job->{freq};
220	}
221
222	printf "\r%d:%010d %4d %4d ", $curmode, $curfreq, $job->{nice}, scalar @send_jobs;
223
224	$job->{exp} = [];
225	$job->{res} = [];
226
227	for (@{ $job->{cmd} }) {
228	push @exp, $1 if s/^(..)=//;
229	$cmd .= "$_\015\012";
230	}
231
232	$job->{exp} = \@exp;
233	$job->{res} = [];
234
235	syswrite $aor, $cmd;
236
237	if (@exp) {
238	push @resp_jobs, $job;
239	} else {
240	$job->{done}->send;
241	}
242	}
243	}
244
245	Event->io (fd => $aor, prio => 1, poll => 'r', cb => sub {
246	sysread $aor, $rbuf, 4096, length $rbuf;
247
248	while ($rbuf =~ s/^([^\015\012]*)[\012\015]+//s) {
249	my $line = $1;
250	$line =~ s/[\012\015]//g;
251
252	next unless $line =~ /^\S/;
253
254	@resp_jobs or die "out of sync: expected nothing, but got '$line'\n";
255
256	my $exp = shift @{ $resp_jobs[0]{exp} };
257
258	$exp eq substr $line, 0, 2
259	or die "sync error: expected '$exp', got '$line'\n";
260
261	push @{ $resp_jobs[0]{res} }, $line;
262
263	unless (@{ $resp_jobs[0]{exp} }) {
264	my $job = shift @resp_jobs;
265
266	$job->{exclusive}->() if $job->{exclusive};
267	$job->{done}->send;
268
269	send_scheduler;
270	}
271
272	next;
273	}
274	});
275
276	sub job::result {
277	my ($self) = @_;
278
279	$self->{done}->wait;
280
281	wantarray ? @{ $self->{res} } : $self->{res}[0]
282	}
283
284	sub job {
285	my ($nice, $mode, $freq, @cmd) = @_;
286
287	my $job = bless {
288	freq => round $freq,
289	mode => $mode,
290	cmd => \@cmd,
291	done => new Coro::Signal,
292	nice => $nice,
293	}, job::;
294
295	if (@cmd && ref $cmd[-1]) {
296	$job->{exclusive} = pop @cmd;
297	}
298
299	push @send_jobs, $job;
300	$send_requeue = 1;
301
302	send_scheduler;
303
304	$job
305	}
306
307	sub lm {
308	map +(hex substr $_, 2) & 0x7f, @_
309	}
310
311	sub aft($$$$) {
312	my ($nice, $mode, $center, $radius) = @_;
313
314	$radius = List::Util::max RESOLUTION, $radius * 0.1;
315
316	my @level = map [$_->{freq}, (List::Util::sum lm $_->result) / 5],
317	map +(job $nice, $mode, $center + $radius * $_, (delay 0.002, "LM=LM") x 5),
318	-10 .. 10;
319
320	my ($tune, $weight);
321	for (@level) {
322	my ($f, $w) = @$_;
323
324	$w **= 8;
325
326	$tune += $f * $w;
327	$weight += $w;
328	}
329
330	my $lm = ($weight / @level) ** (1/8);
331
332	(int ($tune / $weight / RESOLUTION) * RESOLUTION, $lm * 100)
333	}
334
335	sub sweep {
336	my ($nice, $freqs, $cb) = @_;
337
338	my @jobs = map {
339	job $nice, $_->[0], $_->[1], "LM=LM";
340	} @$freqs;
341
342	$cb->($freqs->[$_], lm $jobs[$_]->result)
343	for 0 .. $#jobs;
344	}
345
346	#############################################################################
347	# raw search
348
349	async {
350	my $nice = 1000;
351
352	while () {
353	my @info = sql_fetchall "select mode, freq, activity_level from freq
354	where search_level < activity_level
355	order by search_time, mode, freq
356	limit 1000";
357
358	if (@info) {
359	sweep $nice, \@info, sub {
360	my ($info, $lm) = @_;
361
362	print "found new frequency $info->[0]:$info->[1] $lm>=$info->[2]\n"
363	if $lm >= $info->[2];
364
365	sql_exec "update freq set search_time = ?, search_level = ?
366	where mode = ? and freq = ?",
367	$NOW, $lm,
368	$info->[0], $info->[1];
369	};
370	} else {
371	Coro::Timer::sleep 60;
372	}
373	}
374	};
375
376	#############################################################################
377	# aft of active freqs
378
379	async {
380	my $nice = 500;
381
382	while () {
383	my @info = sql_fetchall
384	"select mode, freq, width, activity_level
385	from freq
386	where (search_level >= activity_level
387	or aft_time > 0)
388	and aft_time < ?
389	order by mode, freq
390	limit 100",
391	$NOW;
392
393	if (@info) {
394	sweep $nice, \@info, sub {
395	my ($info, $lm) = @_;
396	my ($mode, $freq, $width, $activity_level) = @$info;
397
398	if ($lm >= $activity_level) {
399	my ($tune, $weight) = aft $nice, $mode, $freq, $width * 0.9;
400
401	print "$mode:$tune($freq) $lm>=$activity_level $weight ";
402
403	if ($freq - 0.5 * $width <= $tune && $tune <= $freq + 0.5 * $width) {
404	print "tuned\n";
405	sql_exec "update freq set aft_time = ?, aft_freq = ?, aft_level = ?
406	where mode = ? and freq = ?",
407	$NOW + 86400*5 - (rand 86400), $tune, $weight,
408	$mode, $freq;
409	} else {
410	# outlier
411	print "outlier\n";
412	sql_exec "update freq set aft_time = ?, aft_level = 0
413	where mode = ? and freq = ?",
414	$NOW + 86400*7 - (rand 86400),
415	$mode, $freq;
416	}
417	} else {
418	# currently inactive
419	sql_exec "update freq set aft_time = ?
420	where mode = ? and freq = ?",
421	$NOW + 10,
422	$mode, $freq;
423	}
424	};
425	Coro::Timer::sleep 1;
426	} else {
427	Coro::Timer::sleep 10;
428	}
429	}
430	};
431
432	#############################################################################
433	# scan active freqs
434
435	async {
436	return;
437	my $nice = 100;
438
439	while () {
440	my $st = sql_exec \my ($mode, $freq, $width, $activity_level),
441	"select mode, aft_freq, width, activity_level
442	from freq
443	where aft_level > 0 and aft_freq > 0
444	order by freq, mode";
445
446	if ($st->rows) {
447	my @jobs;
448
449	while ($st->fetch) {
450	push @jobs, [$activity_level, job $nice, $mode, $freq, delay 0.040, "LM=LM"];
451	}
452
453	for (@jobs) {
454	my ($activity_level, $job) = @$_;
455
456	my @lm = lm $job->result;
457
458	if ($lm[0] >= $activity_level) {
459	warn "scan $job->{mode} $job->{freq} @lm\n";
460	(job $nice-1, $mode, $job->{freq}, "LM=LM", sub {
461	# (job $nice-1, 0, 98400000, "LM=LM", sub {
462	acmd $playback_on;
463	Coro::Timer::sleep 1;
464	# my $data = 0.5 + (1 / 65536) * float unpack "v", record_nsamples $record_rate 0.1;
465	acmd $playback_off;
466	#$data = sin +(1/480) * xvals zeroes 48000;
467	# $data->reshape (100, $record_rate / 100);
468	#
469	# my $spectrum = 120 + cat map spectrum ($data->slice ("($_),"), "dB", "KAISER"), 0..99;
470	# printf "%s %s\n", (min $spectrum), (max $spectrum);
471	# imag short $spectrum;
472	})->result;
473	}
474	}
475
476	Coro::Timer::sleep 60;
477	} else {
478	Coro::Timer::sleep 60;
479	}
480	}
481	};
482
483	#############################################################################
484
485	$\| = 1;
486
487	Coro::Event::loop;
488
489	__END__
490	mysql -e "delete from freq" aor
491	./aorscan --addrange 1 26565000 27405000 10000 25
492	./aorscan --addrange 1 34360000 35800000 20000 25
493	./aorscan --addrange 1 38460000 39840000 20000 25
494	./aorscan --addrange 1 74215000 77455000 20000 25
495	./aorscan --addrange 1 84015000 87255000 20000 24
496	./aorscan --addrange 2 108000000 144000000 25000 20
497	./aorscan --addrange 1 118000000 136000000 8333.3333333333333 24
498	./aorscan --addrange 1 108000000 144000000 25000 24
499	./aorscan --addrange 4 165210000 169380000 20000 24
500	./aorscan --addrange 3 169810000 173980000 20000 24
501	./aorscan --addrange 1 230000000 328000000 8333.3333333333333 10
502	./aorscan --addrange 2 230000000 328000000 50000 20
503	./aorscan --addrange 1 438650000 439425000 25000 10
504	./aorscan --addrange 4 443600000 444962500 12500 10
505	./aorscan --addrange 3 448600000 449962500 12500 10
506	./aorscan --addrange 1 1270200000 1270700000 25000 10
507	./aorscan --addrange 1 1298200000 1298700000 25000 10
508
509	./aorscan --addrange 3 2690000 2690000 25000 10
510	./aorscan --addrange 3 3413000 3413000 25000 10
511	./aorscan --addrange 4 3413000 3413000 25000 10
512	./aorscan --addrange 3 5640000 5640000 25000 10
513	./aorscan --addrange 4 5640000 5640000 25000 10
514	./aorscan --addrange 3 8957000 8957000 25000 10
515	./aorscan --addrange 4 8957000 8957000 25000 10
516	./aorscan --addrange 3 13264000 13264000 25000 10
517	./aorscan --addrange 4 13264000 13264000 25000 10
518