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plantrip
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#!/usr/bin/perl -W
# plantrip - local commandline client for tripover
# This file is part of Tripover, a broad-search journey planner.
# Copyright (C) 2014-2017 Joris van der Geer.
# Post trip requests to a local queue, and watch that queue for answers
# the queue location is configured in the server, yet created here if nonexistent
use 5.012;
use strict;
use utf8;
use POSIX ();
use POSIX qw(strftime);
use Fcntl ':mode';
use Time::HiRes qw(gettimeofday);
my $version_maj = 1;
my $version_min = 0;
my $lastchanged = " 3 May 2017";
my $copyright = "Copyright (C) 2014-2017 Joris van der Geer";
my $verbose = 0;
my $dryrun = 0;
my $currentconfig = 'tripover.cfg-*.cur';
my $querydirvar = 'querydir';
my $querydir = 'queries';
my $iscgi = 0;
my $repdir = 'rep';
my $repfile = $repdir . '/plantrip.rep';
my $reqid = 0;
my $portrefname = 'portrefs.txt';
my $pportrefname = 'pportrefs.txt';
my $haveportrefs = 0;
my @portrefs;
my %stopids;
my $timeoutbase = 3; # seconds per timelimit
my $timeout = 4; # seconds
my $agelimit = 60; # seconds
my $repagelimit = 7200; # seconds
my $foreground = 1;
my $do_lcname = 0;
# defaults, modifyable with 'set' cmd or args
my $maxstop = 15;
my $minstop = 0;
my $maxnetstop = 3;
my $plushour = 0; # implies auto
my $minhour = 0;
my $startdatetime = 0; # implies start of service
my $transfercost = 1;
my $srcmode = 2; # xtime
my $walklimit = 1500;
my $walkspeed = 5000;
my $sumwalklimit = 4000;
my $timelimit = 2;
my $repopt_stopid = 1;
my $repopt_coords = 2;
my $repopt_html = 4;
my $repopt_int = 8;
my $repoptions = 0;
my $txmodes = 11111111; # foot,taxi,ferry,bus,train,dom.plane,int.plane
my $tzdef = 'Australia/Brisbane';
my $tz;
my $utcofs = '+10:00';
my $utcofs12 = 2200; # biased coded decimal
my $dsputcofs12 = 2600; # implies localtime
my $utcofs12_def = 2200;
my $utcofsmin = 10 * 60;
my $sysutcofs; # utc offset for current system
my $ntop = 2;
my $geoscale = 1000000; # match with .js
my $nondigits = qr'[^0-9]';
sub tohex($) {
my $x = shift;
if ($x =~ $nondigits) { warning("ignoring non-numerical $x"); $x = 0; }
return sprintf("%02x",$x);
}
my $mintt_Ax = tohex(60);
my $mintt_AA = tohex(60);
my $mintt_Aa = tohex(90);
my $mintt_ax = tohex(45);
my $mintt_aA = tohex(90);
my $mintt_aa = tohex(30);
my $mintt_xA = tohex(120);
my $mintt_xa = tohex(60);
my $mintt_tt = tohex(4);
my $mintt_bx = tohex(5);
my $mintt_xb = tohex(5);
my $mintt_xf = tohex(10);
my $mintt_fx = tohex(10);
my $prvdep = 0;
my $prvarr = 0;
# engineering test provisions
my $testiter = 0;
my $testiters = 1000;
my $stats_trip = 0;
my $stats_notrip = 0;
my $stats_error = 0;
# stop at most compile-time warnings
local $SIG{__WARN__} = sub { print "$_[0]\n"; exit 1 unless index($_[0],'utf8') == 0; };
my $logname = 'plantrip.log';
my $logfd;
# rotate log
#if (-t STDOUT) {
sub initlog()
{
for (my $bck = 2; $bck >= 0; $bck--) {
rename($logname . '.' . $bck,$logname . '.' . ($bck+1)) if (-f $logname . '.' . $bck);
}
rename($logname,$logname . '.0') if -f $logname;
open($logfd,'>:encoding(utf8)',$logname) or print("cannot create $logname:$!");
}
#}
# unbuffered i/o
my $orgfh = select STDOUT; $| = 1; select STDERR; $| = 1; select $orgfh;
binmode(STDOUT,':utf8');
my %portnames;
my %portids;
my %idbysub;
my (%portlats,%portlons,%portrlats,%portrlons,%portmodes);
my $portcnt = 0;
my ($latscale,$lonscale,$minlat,$maxlat,$minlon,$maxlon,$minrlat,$maxrlat,$minrlon,$maxrlon);
sub msg($) {
my ($m) = @_;
print("$m\n");
print($logfd "$m\n") if defined $logfd;
return 1;
}
sub vrb($) { msg("$_[0]") if $verbose; return 1; }
sub info($) { return msg("$_[0]"); }
sub warning($) { return msg("warning: $_[0]"); }
sub error($)
{
my ($package,$filename,$line,$sub) = caller(0);
($package,$filename,$line,$sub) = caller(1) if $sub eq 'main::error';
msg("error at line $line: $_[0]"); return 0;
}
sub error_exit($) { error($_[0]); exit 1; }
sub max($$) {
my ($a,$b) = @_;
return ($a > $b ? $a : $b);
}
sub min($$) {
my ($a,$b) = @_;
return ($a < $b ? $a : $b);
}
sub trimws($) {
my ($s) = @_;
$s =~ s/[ \t\n]+/ /g;
$s =~ s/^ //;
$s =~ s/ $//;
return $s;
}
# ref: http://airodyssey.net/reference/airlines/
my %airlines = (
'3K','Jetstar Asia',
'4M','LAN Argentina',
'9W','Jet Airways',
'AA','American Airlines',
'AB','Air Berlin',
'AC','Air Canada',
'AF','Air France',
'AM','Aeromexico',
'AR','Aerolineas Argentinas',
'AS','Alaska Airlines',
'AT','Air Maroc',
'AX','Amtrak',
'AY','Finnair',
'AZ','Alitalia',
'BA','British Airways',
'BR','EVA',
'CA','Air China',
'CI','China Airlines',
'CM','COPA',
'CX','Cathay Pacific',
'CZ','China Southern Airlines',
'DL','Delta Air Lines',
'EI','Air Lingus',
'EK','Emirates',
'FJ','Fiji Airways',
'GA','Garuda Indonesia',
'GK','JetStar Japan',
'HG','Niki',
'IB','Iberia',
'IE','Solomon Airlines',
'IS','island',
'JJ','Aviogenex',
'JL','Japan Airlines',
'JQ','Jetstar',
'KA','Dragonair',
'KE','Korean Air',
'KL','KLM',
'KQ','Kenya Airways',
'LA','LAN Airlines',
'LH','Lufthansa',
'LO','LOT',
'LX','Swiss Airlines',
'ME','MEA Airliban',
'MF','Xiamen Airlines',
'MH','Malaysia Airlines',
'MS','Egypt Airlines',
'MU','China Eastern Airlines',
'NF','Air Vanuatu',
'NH','Nippon Airlines',
'NZ','Air NZ',
'OK','Czech Airlines',
'OS','Austrian Airlines',
'OU','Croatia Airlines',
'OZ','Asiana Airlines',
'PG','Bangkok Airways',
'PX','Air Niugini',
'QF','Qantas',
'QR','Qatar Airways',
'RJ','Royal Jordanian',
'RO','Tarom Romanian',
'S7','Siberia Airlines',
'SA','South African Airlines',
'SB','Aircalin',
'SK','SAS',
'SN','Brussels Airlines',
'SU','Aeroflot',
'SV','Saudi Arabian Airlines',
'TK','Turkish Airlines',
'TL','Airnorth Regional',
'TN','Air Tahiti Nui',
'TP','TAP',
'UA','United Airlines',
'UL','SriLankan Airlines',
'UX','Air Europa',
'VN','Vietnam Airlines',
'VW','Aeromar',
'WP','Hawaii Airlines',
'WS','WestJet',
'XL','LAN Ecuador',
);
sub filepatindir($$$$)
{
my ($pat,$stamp,$clientid,$dir) = @_;
my ($dh,$serverid,$tid,$hstamp,$hid,$name);
my @names;
opendir($dh,$dir) or error_exit("cannot open $dir:$!");
@names = readdir($dh);
closedir($dh);
foreach $name (@names) {
($hstamp,$hid,$serverid) = ($name =~ $pat);
next unless (defined $hstamp and defined $hid and defined $serverid);
$tid = hex($hid);
if ($hstamp eq $stamp and $tid == $clientid) {
vrb("reply handled by server $serverid");
return $serverid;
} else { vrb("reply from $hstamp $tid, expect $stamp $clientid $serverid"); }
}
return '';
}
# catchall for any leftover file in query queue.
sub agedir($$)
{
my ($dir,$limit) = @_;
my ($dh,$serverid,$tstamp,$tid,$name,$path);
my @names;
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks);
opendir($dh,$dir) or error_exit("cannot open $dir:$!");
@names = readdir($dh);
closedir($dh);
foreach $name (@names) {
next if $name eq '.' or $name eq '..';
$path = $dir . '/' . $name;
stat($path) or return error("cannot access $path: $!");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks) = stat _;
return error("$path is not a regular file") unless S_ISREG($mode);
if ($mtime < $limit) {
vrb("removing $path on timestamp $mtime below $limit");
return 1 if $dryrun;
unlink $path or return error("cannot remove $path: $!");
}
}
return 1;
}
my $pi = 3.141592655;
my $pi180 = 0.017453293;
my $geolow = $pi * 2.0e-5; # ~500 m
my $geolimit = $pi * 1.0e-7;
my $mean_earth_radius = 6371.0;
my $approx_surface = sqrt($mean_earth_radius * $mean_earth_radius + $mean_earth_radius * $mean_earth_radius);
sub acos { atan2( sqrt(1 - $_[0] * $_[0]), $_[0] ) }
# Adapted from Tripover:math.c which in turn is adapted from Wikipedia article
sub geodist($$$$)
{
my ($slat,$slon,$lat,$lon) = @_;
my ($dist,$dlat,$dlon);
my $phi1 = $slat * $pi180;
my $lam1 = $slon * $pi180;
my $phi2 = $lat * $pi180;
my $lam2 = $lon * $pi180;
my $dlam = $lam2 - $lam1;
my $dphi = $phi2 - $phi1;
if (abs($dlam) < $geolow and abs($dphi) < $geolow) { # trivial case: assume flat
if (abs($dlam) < $geolimit and abs($dphi) < $geolimit) { # flush to zero
return 0;
}
$dlat = $dlam * $approx_surface * 2 / $pi;
$dlon = ($dphi * $approx_surface * 2) / $pi;
$dist = sqrt( ($dlat * $dlat) + ($dlon * $dlon));
return $dist;
}
my ($d,$dsig);
$d = sin($phi1) * sin($phi2) + cos($phi1) * cos($phi2) * cos($dlam);
$dsig = acos($d);
return $dsig * $mean_earth_radius;
}
my $repfilefh;
sub addtorep($$$)
{
my ($txt,$append,$html) = @_;
$append = 0 unless -f $repfile;
if ($append == 0) {
unless (-d $repdir) {
mkdir($repdir) or error_exit("cannot create $repdir: $!");
}
open($repfilefh,'>:encoding(utf8)',$repfile) or error_exit("cannot open $repfile: $!");
}
print($repfilefh "$txt\n");
return 1 unless $iscgi;
if ($repoptions & $repopt_html) {
print("$html\n");
} else {
print("$txt\n");
}
}
# read port to id mappings
sub readportrefs($)
{
my $pports = shift;
my ($id,$subid,$name,$lcname,$nlen,$lat,$lon,$modes,$rlat,$rlon,$stopid);
my ($fh,$line,$c,$var,$val);
my $fname = $pports ? $pportrefname : $portrefname;
open($fh,'<:encoding(utf8)',$fname) or error_exit("cannot open $fname: $!");
my @lines = readline($fh);
unless (scalar @lines) { error_exit("$fname is empty"); }
close $fh;
foreach $line (@lines) {
next unless length($line);
$c = chop $line;
$line .= $c if $c ne "\n";
next unless length($line);
$c = substr($line,0,1);
next if $c eq '#';
if ($c eq '.') {
($var,$val) = split("\t",substr($line,1));
$tzdef = $val if $var eq 'tz';
$latscale = $val if $var eq 'latscale';
$lonscale = $val if $var eq 'lonscale';
$minlat = $val if $var eq 'minlat';
$maxlat = $val if $var eq 'maxlat';
$minlon = $val if $var eq 'minlon';
$maxlon = $val if $var eq 'maxlon';
next;
}
($id,$subid,$name,$lat,$lon,$modes,$stopid) = split("\t",$line);
next unless defined $id and defined $name;
$stopid = 0 unless defined $stopid;
$portnames{$name} = $subid;
if ($do_lcname) {
$lcname = lc($name);
$portnames{$lcname} = $subid;
}
$portids{$subid} = $name unless defined $portids{$subid};
$idbysub{$subid} = $id;
$rlat = ($lat / $latscale) - 90;
$rlon = ($lon / $lonscale) - 180;
$portrlats{$subid} = $rlat;
$portrlons{$subid} = $rlon;
$portmodes{$subid} = $modes;
$stopids{$subid} = $stopid;
}
$portcnt = scalar(keys %portids);
$minrlat = ($minlat / $latscale) - 90 unless defined $minrlat;
$maxrlat = ($maxlat / $latscale) - 90 unless defined $maxrlat;
$minrlon = ($minlon / $lonscale) - 180 unless defined $minrlon;
$maxrlon = ($maxlon / $lonscale) - 180 unless defined $maxrlon;
info("$portcnt ports from $fname [name] bbox $minrlat - $maxrlat , $minrlon - $maxrlon");
$haveportrefs = 1;
}
# as above, geocode version
sub readportrefs_geo()
{
return if (@portrefs > 0);
my ($fh,$line,$c,$var,$val);
my $fname = $portrefname;
open($fh,'<:encoding(utf8)',$fname) or error_exit("cannot open $fname: $!");
my @lines = readline($fh);
unless (scalar @lines) { error_exit("$fname is empty"); }
close $fh;
foreach $line (@lines) {
next unless length($line);
$c = chop $line;
$line .= $c if $c ne "\n";
next unless length($line);
$c = substr($line,0,1);
next if $c eq '#';
if ($c eq '.') {
($var,$val) = split("\t",substr($line,1));
$tzdef = $val if $var eq 'tz';
$latscale = $val if $var eq 'latscale';
$lonscale = $val if $var eq 'lonscale';
next;
}
push @portrefs,$line;
}
$portcnt = scalar @portrefs;
info("$portcnt ports [geo]");
}
# returns sub-id by name
sub portbyname($)
{
my ($name) = @_;
my ($port,$id,$subid,$seq,$lcname,$cname,$plen,$line);
my @plist;
readportrefs(0) unless $haveportrefs;
$lcname = lc($name);
if (exists($portnames{$name})) { return $portnames{$name}; }
if (exists($portnames{$lcname})) { return $portnames{$lcname}; }
while (($cname,$subid) = each %portnames) {
next unless index($cname,$name) == 0;
push @plist,$subid;
}
return $plist[0] if @plist == 1 and length($name) > 3;
if (@plist == 0) {
while (($cname,$subid) = each %portnames) {
next unless index($cname,$name) > 0;
push @plist,$subid;
}
}
$plen = scalar(@plist);
return $plist[0] if $plen == 1 and length($name) > 3;
if ($plen == 0) {
info("no matches for '$name'");
return '';
}
return $plist[0] if $plen == 1;
info("$plen matches for $name");
@plist = splice @plist,0,30;
$seq = 1;
foreach $subid (@plist) {
printf("%2u %s\n",$seq++,$portids{$subid});
}
unless ($iscgi == 0 and -t STDIN) {
print("noninteractive mode: first match chosen\n");
return $plist[0];
}
do {
print("\nChoose port by number or q to quit: ");
$line = <STDIN>;
next unless defined $line and length($line);
$line = trimws($line);
next unless length($line);
return '' if $line eq 'q' or $line eq 'x';
if ($line =~ qr'^[0-9]+$') {
$seq = $line;
if ($seq <= $plen and $seq != 0) {
return $plist[$seq - 1];
} else {
print("port number not in above list\n");
}
} else {
print("expected port number or command\n");
}
} while 1;
return '';
}
sub portbygeo($$)
{
my ($lat,$lon) = @_;
my ($clat,$clon,$dist,$lodist,$loid,$pid,$pname,$fmtdist,$mdist);
my ($line,$loline);
my ($id,$subid,$name,$ilat,$ilon,$rlat,$rlon,$modes);
$lodist = 999999999; $loid = -1;
for $line (@portrefs) {
($id,$subid,$name,$ilat,$ilon,$modes) = split("\t",$line);
$clat = ($ilat / $latscale) - 90;
$clon = ($ilon / $lonscale) - 180;
$dist = geodist($lat,$lon,$clat,$clon);
if ($dist < $lodist) { $lodist = $dist; $loid = $subid; $loline = $line; }
}
if ($loid == -1) {
warning("$lat,$lon not found");
return -1;
}
($id,$subid,$name,$ilat,$ilon,$modes) = split("\t",$loline);
$clat = ($ilat / $latscale) - 90;
$clon = ($ilon / $lonscale) - 180;
$pid = $id;
$mdist = int($lodist * 1000);
if ($lodist < 1.500) { $fmtdist = $mdist . ' m'; }
else { $fmtdist = sprintf("%.1f",$lodist) . ' Km'; }
if ($loid == $pid or $loid == $subid) {
info("$lat,$lon $fmtdist from $clat,$clon ID $id $subid $name");
$pname = $name;
} else {
$pname = '(unavailable)';
info("$lat,$lon $fmtdist from $clat,$clon ID $loid > $pid $name > $pname");
}
# if id >= portcnt, id - portcnt = subid; subid->parent
addtorep("# reqid\tdist\tlat\tlon\tid\tpid\tmodes\tname\tpname",0,'');
addtorep(".geo\t$reqid\t$mdist\t$clat\t$clon\t$loid\t$pid\t$modes\t$name\t$pname",1,'');
return $loid;
}
my $isgeo = qr'^\s*([+-]?[0-9]+\.[0-9]+)\s*,\s*([+-]?[0-9]+\.[0-9]+)\s*$';
sub geocode($$)
{
my ($lat,$lon) = @_;
readportrefs_geo();
portbygeo($lat,$lon);
}
sub comopts()
{
my $s = "plushour i $plushour minhour i $minhour\n";
$s .= "costperstop i $transfercost\n";
$s .= "srcmode i $srcmode\n";
$s .= "walkspeed i $walkspeed\n walklimit i $walklimit\nsumwalklimit i $sumwalklimit\n";
$s .= "lostop i $minstop\nhistop i $maxstop\n";
$s .= "nethistop i $maxnetstop\n" if $maxnetstop < 3;
$s .= "dsputcofs i $dsputcofs12\n";
$s .= "txmask b $txmodes\n";
$s .= "tlimit i $timelimit\n";
$s .= "ntop i $ntop\n";
$s .= "repoptions i $repoptions\n";
$s .= "minttAA x $mintt_AA\n";
$s .= "minttAa x $mintt_Aa\n";
$s .= "minttaa x $mintt_aa\n";
$s .= "minttaA x $mintt_aA\n";
$s .= "minttAx x $mintt_Ax\n";
$s .= "minttxA x $mintt_xA\n";
$s .= "minttax x $mintt_ax\n";
$s .= "minttxa x $mintt_xa\n";
$s .= "minttbx x $mintt_bx\n";
$s .= "minttxb x $mintt_xb\n";
$s .= "mintttt x $mintt_tt\n";
$s .= "minttxf x $mintt_xf\n";
$s .= "minttfx x $mintt_fx\n";
$s .= "testiter i $testiter\n" if $testiter;
# info($s);
return $s;
}
# no dep and arr codes, plan directly on lat/lon
sub docplan($$$$$$$$)
{
my ($deplat,$deplon,$arrlat,$arrlon,$scale,$startdate,$starttime,$utcofs12) = @_;
my $qstr = "deplat i $deplat\ndeplon i $deplon\nscale i $scale\n";
$qstr .= "arrlat i $arrlat\narrlon i $arrlon\n";
$qstr .= "deptmin i $startdate\ndepttmin i $starttime\n";
$qstr .= "utcofs i $utcofs12\n";
$qstr .= comopts();
vrb("\n$qstr\n");
my $cmd = ($foreground ? 'P' : 'p');
query($cmd,'glob',$qstr);
}
# plan on dep and arr codes previously looked up by geocode
sub doplan($$$$$)
{
my ($dep,$arr,$startdate,$starttime,$utcofs12) = @_;
my ($qstr);
$qstr = "dep i $dep\narr i $arr\n";
$qstr .= "deptmin i $startdate\ndepttmin i $starttime\n";
$qstr .= "utcofs i $utcofs12\n";
$qstr .= comopts();
vrb("\n$qstr\n");
my $cmd = ($foreground ? 'P' : 'p');
query($cmd,'glob',$qstr);
}
sub geocode2($$$)
{
my ($lat,$lon,$scale) = @_;
my $qstr = "lat i $lat\nlon i $lon\nscale i $scale\ntxmask b $txmodes\n";
my $cmd = 'g';
info("$qstr");
query($cmd,'glob',$qstr);
}
sub randport()
{
my $id;
my $iter = 0;
readportrefs(0) unless $haveportrefs;
while ($iter++ < 10) {
$id = int(rand($portcnt));
last if exists $idbysub{$id};
}
return $id;
}
sub randgeoport()
{
readportrefs_geo();
readportrefs(1) unless $haveportrefs;
my ($latrng,$lonrng);
$latrng = $maxrlat < 0 ? -$minrlat + $maxrlat : $maxrlat - $minrlat;
$lonrng = $maxrlon < 0 ? -$minrlon + $maxrlon : $maxrlon - $minrlon;
my $lat = rand($latrng) + $minrlat;
my $lon = rand($lonrng) + $minrlon;
my $id = portbygeo($lat,$lon);
return $id;
}
sub randgeocport()
{
readportrefs_geo();
readportrefs(1) unless $haveportrefs;
my ($latrng,$lonrng);
$latrng = $maxrlat < 0 ? -$minrlat + $maxrlat : $maxrlat - $minrlat;
$lonrng = $maxrlon < 0 ? -$minrlon + $maxrlon : $maxrlon - $minrlon;
my $lat = rand($latrng) + $minrlat;
my $lon = rand($lonrng) + $minrlon;
return ($lat,$lon);
}
sub iplan($$)
{
my ($dep,$arr) = @_;
my ($rdep,$rarr,$hh,$mm,$dot,$startdate,$starttime,$depgeo,$arrgeo);
my $depname = "unknown";
my $arrname = "unknown";
if ($dep ne '*' and $dep ne 'x' and $dep ne 'X' and $dep eq $arr) {
info("departure $dep and arrival identical");
addtorep("departure stop ID $dep identical to arrival",0,'');
return 1;
}
unless (defined $tz) {
$utcofs12 = $utcofs12_def;
$hh = ($utcofs12 / 100) - 12;
$mm = $utcofs12 % 100;
$utcofsmin = $hh * 60 + $mm;
$utcofs = sprintf("%+02d:%02d",$hh,$mm);
$tz = ofs2tz($utcofs);
info("using default display tz $tz utc$utcofs from portrefs");
}
$dot = index($startdatetime,'.');
$starttime = 0;
if ($dot == 0) {
$starttime = substr($startdatetime,1);
$startdate = 0;
} elsif ($dot > 0) {
$starttime = substr($startdatetime,$dot+1);
$startdate = substr($startdatetime,0,$dot);
$starttime = 0 unless defined $starttime and length $starttime;
} else {
$startdate = $startdatetime;
}
if ($dep eq 'x') { $dep = randport(); }
elsif ($dep eq 'X') { $dep = randgeoport(); }
if ($arr eq 'x') { do { $arr = randport(); } while ($arr == $dep); }
elsif ($arr eq 'X') { do { $arr = randgeoport(); } while ($arr == $dep); }
return error("expected integer departure arg, found '$dep'") unless $dep eq '*' or $dep =~ qr'^[0-9]+$';
return error("expected integer arrival arg, found '$arr'") unless $arr =~ qr'^[0-9]+$';
$prvdep = $dep;
$prvarr = $arr;
if ($haveportrefs) {
if (exists($portids{$dep})) { $depname = $portids{$dep}; }
if (exists($portids{$arr})) { $arrname = $portids{$arr}; }
}
my $rndcnt = 0;
if ($dep eq '*') {
readportrefs(0) unless $haveportrefs;
foreach $rdep (keys %portids) {
$rdep = $idbysub{$rdep};
if (exists($portids{$rdep})) { $depname = $portids{$rdep}; }
else { $depname = "unknown"; }
if ($arr eq '*') {
foreach $rarr (keys %portids) {
$rarr = $idbysub{$rarr};
next if $rdep == $rarr;
if (exists($portids{$rarr})) { $arrname = $portids{$rarr}; }
else { $arrname = "unknown"; }
info("from $depname to $arrname v $rdep-$rarr");
doplan($rdep,$rarr,$startdate,$starttime,$utcofs12);
last unless $rndcnt++ < $testiters;
}
} else {
next if $rdep == $arr;
doplan($rdep,$arr,$startdate,$starttime,$utcofs12);
last unless $rndcnt++ < $testiters;
}
last unless $rndcnt++ < $testiters;
}
info("$stats_trip found, $stats_notrip no route $stats_error no time");
return;
}
if (defined $portrlats{$dep}) {
$depgeo = sprintf("%.4f,%.4f",$portrlats{$dep},$portrlons{$dep});
} else { $depgeo = ''; }
if (defined $portrlats{$arr}) {
$arrgeo = sprintf("%.4f,%.4f",$portrlats{$arr},$portrlons{$arr});
} else { $arrgeo = ''; }
my $dirdist = 'n/a';
if (defined $portrlats{$dep}) {
$dirdist = geodist($portrlats{$dep},$portrlons{$dep},$portrlats{$arr},$portrlons{$arr});
$dirdist = sprintf("%.1f",$dirdist);
}
info("$depname to $arrname") unless $depname eq 'unknown' and $arrname eq 'unknown';
info("iplan $dep $arr");
info("plan $depgeo $arrgeo") if length($depgeo) and length($arrgeo);
info(" dist $dirdist start $startdate.$starttime +$plushour -$minhour in $maxstop stops utc $utcofs");
doplan($dep,$arr,$startdate,$starttime,$utcofs12);
}
sub lat2ilat($)
{
my $lat = shift;
return int(($lat + 90) * $geoscale);
}
sub lon2ilon($)
{
my $lon = shift;
return int(($lon + 180) * $geoscale);
}
sub ilat2lat($)
{
my $ilat = shift;
return ($ilat / $geoscale) - 90;
}
sub ilon2lon($)
{
my $ilon = shift;
return ($ilon / $geoscale) - 180;
}
sub cplan($$$$)
{
my ($deplat,$deplon,$arrlat,$arrlon) = @_;
my ($depilat,$depilon,$arrilat,$arrilon);
my ($hh,$mm,$dot,$startdate,$starttime);
unless (defined $tz) {
$utcofs12 = $utcofs12_def;
$hh = ($utcofs12 / 100) - 12;
$mm = $utcofs12 % 100;
$utcofsmin = $hh * 60 + $mm;
$utcofs = sprintf("%+02d:%02d",$hh,$mm);
$tz = ofs2tz($utcofs);
info("using default display tz $tz utc$utcofs from portrefs");
}
$dot = index($startdatetime,'.');
$starttime = 0;
if ($dot == 0) {
$starttime = substr($startdatetime,1);
$startdate = 0;
} elsif ($dot > 0) {
$starttime = substr($startdatetime,$dot+1);
$startdate = substr($startdatetime,0,$dot);
$starttime = 0 unless defined $starttime and length $starttime;
} else {
$startdate = $startdatetime;
}
($deplat,$deplon) = randgeocport() if $deplat eq 'x';
($arrlat,$arrlon) = randgeocport() if $arrlat eq 'x';
info("$deplat,$deplon $arrlat,$arrlon");
$depilat = lat2ilat($deplat);
$depilon = lon2ilon($deplon);
$arrilat = lat2ilat($arrlat);
$arrilon = lon2ilon($arrlon);
docplan($depilat,$depilon,$arrilat,$arrilon,$geoscale,$startdate,$starttime,$utcofs12);
}
sub plan($$)
{
my ($depname,$arrname) = @_;
my ($dep,$arr);
my ($dlat,$dlon,$alat,$alon);
$do_lcname = 1;
unless (defined $depname and length($depname)) {
return 0 if $iscgi;
print('depart from: ');
$depname=<STDIN>;
}
return unless defined $depname and length($depname);
unless (defined $arrname and length($arrname)) {
return 0 if $iscgi;
print('arrive at: ');
$arrname=<STDIN>;
}
return unless defined $arrname and length($arrname);
($dlat,$dlon) = ($depname =~ $isgeo);
if (defined $dlat and defined $dlon) {
readportrefs_geo();
readportrefs(0) unless $haveportrefs;
$dep = portbygeo($dlat,$dlon);
} else {
$dep = portbyname($depname);
}
return error("unknown stop $depname") unless length($dep);
return error("unknown id $dep") unless length($dep) and exists $portids{$dep};
info("$depname resolved into $portids{$dep} - $stopids{$dep}");
($alat,$alon) = ($arrname =~ $isgeo);
if (defined $alat and defined $alon) {
readportrefs_geo();
readportrefs(0) unless $haveportrefs;
$arr = portbygeo($alat,$alon)
} else {
$arr = portbyname($arrname);
}
return error("unknown stop $arrname") unless length($arr);
return error("unknown id $arr") unless length($arr) and exists $portids{$arr};
info("$arrname resolved into $portids{$arr} - $stopids{$arr}");
my $pdep = $idbysub{$dep};
my $parr = $idbysub{$arr};
iplan($dep,$arr);
}
sub getvar($)
{
my ($var) = @_;
unless (defined $var and length($var)) {
print('variable (? for list): ');
$var=<STDIN>;
}
return unless defined $var and length($var);
if (substr($var,0,1) eq '?') {
info('startdate - search for departure from this day onward');
info('daterange - number of days to search');
info('transferlimit - maximum number of transfers allowed');
info('timezone - specify timezone to show results in');
info('utcoffset- idem, in hh:mm offset from UTC');
return;
}
info("startdate: $startdatetime") if index($var,'startdate') >= 0;
info("plushour: $plushour") if index($var,'plushour') >= 0;
info("minhour: $minhour") if index($var,'minhour') >= 0;
info("transferlimit: $maxstop") if index($var,'transerlimit') >= 0;
info("timezone: $tz") if index($var,'timezone') >= 0;
info("utcoffset: $utcofs") if index($var,'utcoffset') >= 0;
}
sub setvar($$)
{
my ($var,$val) = @_;
my ($hh,$mm,$col);