use strict;
-use vars qw(%u $dbm $filename %valid $lastoperinterval $lasttime $lru $lrusize $tooold $v3 $v4);
+use vars qw(%u $filename %valid $lastoperinterval $lasttime $lru $lrusize $tooold $v3 $v4);
%u = ();
-$dbm = undef;
$filename = undef;
$lastoperinterval = 60*24*60*60;
$lasttime = 0;
our $maxconnlist = 3; # remember this many connection time (duration) [start, end] pairs
-our $newusers; # per execution stats
-our $modusers;
-our $totusers;
-our $delusers;
+our $newusers = 0; # per execution stats
+our $modusers = 0;
+our $totusers = 0;
+our $delusers = 0;
+our $cachedusers = 0;
my $ifh; # the input file, initialised by readinjson()
my $ufn;
my $convert;
- my $fn = "users";
-
$json = JSON->new()->canonical(1);
- $filename = $ufn = localdata("$fn.json");
+ $filename = localdata("users.v4");
- if (-e localdata("$fn.json")) {
+ if (-e $filename || -e "$filename.n" || -e "$filename.o") {
$v4 = 1;
- } else {
- eval {
- require Storable;
- };
-
- if ($@) {
- if ( ! -e localdata("users.v3") && -e localdata("users.v2") ) {
- $convert = 2;
- }
- LogDbg('',"the module Storable appears to be missing!!");
- LogDbg('',"trying to continue in compatibility mode (this may fail)");
- LogDbg('',"please install Storable from CPAN as soon as possible");
- } else {
- import Storable qw(nfreeze thaw);
- $convert = 3 if -e localdata("users.v3") && !-e $ufn;
- }
- }
-
- # do a conversion if required
- if ($convert) {
- my ($key, $val, $action, $count, $err) = ('','',0,0,0);
- my $ta = [gettimeofday];
-
- my %oldu;
- LogDbg('',"Converting the User File from V$convert to $fn.json ");
- LogDbg('',"This will take a while, I suggest you go and have cup of strong tea");
- my $odbm = tie (%oldu, 'DB_File', localdata("users.v$convert"), O_RDONLY, 0666, $DB_BTREE) or confess "can't open user file: $fn.v$convert ($!) [rebuild it from user_asc?]";
- for ($action = R_FIRST; !$odbm->seq($key, $val, $action); $action = R_NEXT) {
- my $ref;
- if ($convert == 3) {
- eval { $ref = storable_decode($val) };
- } else {
- eval { $ref = asc_decode($val) };
- }
- unless ($@) {
- if ($ref) {
- $u{$key} = $ref;
- $count++;
- } else {
- $err++
- }
- } else {
- Log('err', "DXUser: error decoding $@");
- }
- }
- undef $odbm;
- untie %oldu;
- my $t = _diffms($ta);
- LogDbg('',"Conversion from users.v$convert to users.json completed $count records $err errors $t mS");
-
- # now write it away for future use
- $ta = [gettimeofday];
- $err = 0;
- $count = writeoutjson();
- $t = _diffms($ta);
- LogDbg('',"New Userfile users.json write completed $count records $err errors $t mS");
- LogDbg('',"Now restarting..");
- $main::ending = 10;
- } else {
- # otherwise (i.e normally) slurp it in
readinjson();
+ } else {
+ die "User file $filename missing, please run users-v3-to-v4.pl or copy a user_json backup from somewhere\n";
}
- $filename = $ufn;
}
sub del_file
{
# with extreme prejudice
- if ($v3) {
- unlink "$main::data/users.v3";
- unlink "$main::local_data/users.v3";
- }
- if ($v4) {
- unlink "$main::data/users.v4";
- unlink "$main::local_data/users.v4";
- }
+ unlink "$main::data/users.v4";
+ unlink "$main::local_data/users.v4";
}
#
sub finish
{
- undef $dbm;
- untie %u;
+
+ writeoutjson();
}
#
my $call = shift;
# $call =~ s/-\d+$//o;
-# confess "can't create existing call $call in User\n!" if $u{$call};
+ confess "can't create existing call $call in User\n!" if $u{$call};
my $self = $pkg->alloc($call);
+ $u{$call} = [0, $self];
$self->put;
++$newusers;
++$totusers;
my $j = json_decode($s);
if ($j) {
$ref->[1] = $j;
+ ++$cachedusers;
}
}
} elsif ($nodecode) {
# This is not as quick as get()! But it will allow safe querying of the
# user file. Probably in conjunction with get_some_calls feeding it.
#
-# Probably need to create a new copy of any existing records WIP
+# NOTE: for cached records this, in effect, is a faster version of Storable's
+# dclone - only about 3.5 times as fast!
+#
sub get_tmp
{
my $call = uc shift;
- my $ref = $u{call};
+ my $ref = $u{$call};
if ($ref) {
+ if ($ref->[1]) {
+ return json_decode(json_encode($ref->[1]));
+ }
$ifh->seek($ref->[0], 0);
my $l = $ifh->getline;
if ($l) {
my ($k,$s) = split /\t/, $l;
my $j = json_decode($s);
- return $;
+ return $j;
}
}
return undef;
}
#
-# get an existing either from the channel (if there is one) or from the database
+# Master branch:
+# get an existing record either from the channel (if there is one) or from the database
#
# It is important to note that if you have done a get (for the channel say) and you
# want access or modify that you must use this call (and you must NOT use get's all
# over the place willy nilly!)
#
+# NOTE: mojo branch with newusers system:
+# There is no longer any function difference between get_current()
+# and get() as they will always reference the same record as held in %u. This is because
+# there is no more (repeated) thawing of stored records from the underlying "database".
+#
+# BUT: notice the difference between this and the get_tmp() function. A get() will online an
+# othewise unused record, so for poking around looking for that locked out user:
+# MAKE SURE you use get_tmp(). It will likely still be quicker than DB_File and Storable!
+#
sub get_current
{
- my $call = uc shift;
-
- my $dxchan = DXChannel::get($call);
- if ($dxchan) {
- my $ref = $dxchan->user;
- return $ref if $ref && UNIVERSAL::isa($ref, 'DXUser');
-
- dbg("DXUser::get_current: got invalid user ref for $call from dxchan $dxchan->{call} ". ref $ref. " ignoring");
- }
- return get($call);
+ goto &get;
+
+# my $call = uc shift;
+#
+# my $dxchan = DXChannel::get($call);
+# if ($dxchan) {
+# my $ref = $dxchan->user;
+# return $ref if $ref && UNIVERSAL::isa($ref, 'DXUser');
+#
+# dbg("DXUser::get_current: got invalid user ref for $call from dxchan $dxchan->{call} ". ref $ref. " ignoring");
+# }
+# return get($call);
}
#
my $pattern = shift || qr/.*/;
return sort grep {$pattern} keys %u;
}
+
+#
+# if I understand the term correctly, this is a sort of monad.
+#
+# Scan through the whole user file and select records that you want
+# to process further. This routine returns lines of json, yu
+#
+# the CODE ref should look like:
+# sub {
+# my $key = shift;
+# my $line = shift;
+# # maybe do a rough check to see if this is a likely candidate
+# return unless $line =~ /something/;
+# my $r = json_decode($l);
+# return (condition ? wanted thing : ());
+# }
+#
+
+sub scan
+{
+ my $c = shift;
+ my @out;
+ if (ref($c) eq 'CODE') {
+ foreach my $k (get_all_calls()) {
+ my $l = get($k, 1); # get the offline json line or the jsoned online version
+ push @out, $c->($k, $l) if $l;
+ }
+ } else {
+ dbg("DXUser::scan supplied argument is not a code ref");
+ }
+ return @out;
+}
+
#
# put - put a user
#
# freeze the user
sub encode
{
- goto &json_encode if $v4;
- goto &asc_encode unless $v3;
- my $self = shift;
- return nfreeze($self);
+ goto &json_encode;
}
# thaw the user
sub decode
{
- goto &json_decode if $v4;
- goto &storable_decode if $v3;
- goto &asc_decode;
-}
-
-# should now be obsolete for mojo branch build 238 and above
-sub storable_decode
-{
- my $ref;
- $ref = thaw(shift);
- return $ref;
-}
-
-
-#
-# create a hash from a string (in ascii)
-#
-sub asc_decode
-{
- my $s = shift;
- my $ref;
- $s =~ s/\%([0-9A-F][0-9A-F])/chr(hex($1))/eg;
- eval '$ref = ' . $s;
- if ($@) {
- LogDbg('err', "DXUser::asc_decode: on '$s' $@");
- $ref = undef;
- }
- return $ref;
+ goto &json_decode;
}
sub json_decode
if ($ref && !$@) {
return bless $ref, 'DXUser';
} else {
- LogDbg('err', "DXUser::json_decode: on '$s' $@");
+ LogDbg('DXUser', "DXUser::json_decode: on '$s' $@");
}
return undef;
}
{
my $self = shift;
my $call = $self->{call};
-# $lru->remove($call);
- # $dbm->del($call);
++$delusers;
--$totusers;
+ --$cachedusers if $u{$call}->[1];
delete $u{$call};
}
my $ip = shift;
$self->{lastin} = $main::systime;
# add a record to the connect list
- my $ref = [$startt || $self->{startt}, $main::systime];
- push @$ref, $ip if $ip;
- push @{$self->{connlist}}, $ref;
- shift @{$self->{connlist}} if @{$self->{connlist}} > $maxconnlist;
# $self->put();
}
my $r = $u{$k};
if ($r->{sort} eq 'U' && !$r->{priv} && $main::systime > $r->{lastin}+$tooold ) {
unless ($r->{lat} || $r->{long} || $r->{qra} || $r->{qth} || $r->{name}) {
- LogDbg('err', "DXUser::export deleting $k - too old, last in " . cldatetime($r->lastin) . " " . difft([$r->lastin, $main::systime]));
+ LogDbg('DXUser', "DXUser::export deleting $k - too old, last in " . cldatetime($r->lastin) . " " . difft([$r->lastin, $main::systime]));
delete $u{$k};
++$del;
next;
}
eval {$val = json_encode($r);};
if ($@) {
- LogDbg('err', "DXUser::export error encoding call: $k $@");
+ LogDbg('DXUser', "DXUser::export error encoding call: $k $@");
++$err;
next;
}
$fh->close;
}
my $s = qq{Exported users to $fn - $count Users $del Deleted $err Errors ('sh/log Export' for details)};
- LogDbg('command', $s);
+ LogDbg('DXUser', $s);
return $s;
}
{
my $self = shift;
delete $self->{passwd};
+ $self->put;
}
sub unset_passphrase
{
my $self = shift;
delete $self->{passphrase};
+ $self->put;
}
sub set_believe
my $self = shift;
my $call = uc shift;
$self->{believe} ||= [];
- push @{$self->{believe}}, $call unless grep $_ eq $call, @{$self->{believe}};
+ unless (grep $_ eq $call, @{$self->{believe}}) {
+ push @{$self->{believe}}, $call;
+ $self->put;
+ };
}
sub unset_believe
if (exists $self->{believe}) {
$self->{believe} = [grep {$_ ne $call} @{$self->{believe}}];
delete $self->{believe} unless @{$self->{believe}};
+ $self->put;
}
}
# a later (generated) copy. But, if the plain users.v4 file is all we have, we'll use that.
#
-use File::Copy;
-
sub readinjson
{
my $fn = $filename;
my $s;
my $err = 0;
- unless (-r $fn) {
- dbg("DXUser $fn not found - probably about to convert");
- return;
- }
-
if (-e $nfn && -e $fn && (stat($nfn))[9] > (stat($fn))[9]) {
# move the old file to .o
unlink $ofn;
move($nfn, $fn);
};
+ # if we don't have a users.v4 at this point, look for a backup users.v4.o
+ unless (-e $fn) {
+ move($ofn, $fn);
+ }
if ($ifh) {
$ifh->seek(0, 0);
} else {
- $ifh = IO::File->new("+<$fn") or die "$fn read error $!";
+ LogDbg("DXUser","DXUser::readinjson: opening $fn as users file");
+ $ifh = IO::File->new("+<$fn") or die "Cannot open $fn ($!)";
}
my $pos = $ifh->tell;
while (<$ifh>) {
print $ofh "$k\t$l\n";
++$count;
} else {
- LogDbg('DXCommand', "DXUser::writeoutjson callsign $k not found")
+ LogDbg('DXUser', "DXUser::writeoutjson callsign $k not found")
}
}