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-rw-r--r--lib/PublicInbox/NNTP.pm127
-rw-r--r--lib/PublicInbox/NNTPD.pm2
2 files changed, 62 insertions, 67 deletions
diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 2a59cbd7..3929f817 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -108,60 +108,63 @@ sub list_overview_fmt ($) { $OVERVIEW_FMT }
 
 sub list_headers ($;$) { $LIST_HEADERS }
 
-sub list_active_i { # "LIST ACTIVE" and also just "LIST" (no args)
-        my ($self, $groupnames) = @_;
-        my @window = splice(@$groupnames, 0, 100) or return 0;
-        my $ibx;
+sub names2ibx ($;$) {
+        my ($self, $names) = @_;
         my $groups = $self->{nntpd}->{pi_cfg}->{-by_newsgroup};
-        for my $ngname (@window) {
-                $ibx = $groups->{$ngname} and group_line($self, $ibx);
+        if ($names) { # modify arrayref in-place
+                $_ = $groups->{$_} for @$names;
+                $names; # now an arrayref of ibx
+        } else {
+                my @ret = map { $groups->{$_} } @{$self->{nntpd}->{groupnames}};
+                \@ret;
         }
-        scalar(@$groupnames); # continue if there's more
+}
+
+sub list_active_i { # "LIST ACTIVE" and also just "LIST" (no args)
+        my ($self, $ibxs) = @_;
+        my @window = splice(@$ibxs, 0, 1000);
+        $self->msg_more(join('', map { group_line($_) } @window));
+        scalar @$ibxs; # continue if there's more
 }
 
 sub list_active ($;$) { # called by cmd_list
         my ($self, $wildmat) = @_;
         wildmat2re($wildmat);
-        $self->long_response(\&list_active_i, [
-                grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+        my @names = grep(/$wildmat/, @{$self->{nntpd}->{groupnames}});
+        $self->long_response(\&list_active_i, names2ibx($self, \@names));
 }
 
 sub list_active_times_i {
-        my ($self, $groupnames) = @_;
-        my @window = splice(@$groupnames, 0, 100) or return 0;
-        my $groups = $self->{nntpd}->{pi_cfg}->{-by_newsgroup};
-        for my $ngname (@window) {
-                my $ibx = $groups->{$ngname} or next;
-                my $c = eval { $ibx->uidvalidity } // time;
-                $self->msg_more("$ngname $c <$ibx->{-primary_address}>\r\n");
-        }
-        scalar(@$groupnames); # continue if there's more
+        my ($self, $ibxs) = @_;
+        my @window = splice(@$ibxs, 0, 1000);
+        $self->msg_more(join('', map {
+                my $c = eval { $_->uidvalidity } // time;
+                "$_->{newsgroup} $c <$_->{-primary_address}>\r\n";
+        } @window));
+        scalar @$ibxs; # continue if there's more
 }
 
 sub list_active_times ($;$) { # called by cmd_list
         my ($self, $wildmat) = @_;
         wildmat2re($wildmat);
-        $self->long_response(\&list_active_times_i, [
-                grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+        my @names = grep(/$wildmat/, @{$self->{nntpd}->{groupnames}});
+        $self->long_response(\&list_active_times_i, names2ibx($self, \@names));
 }
 
 sub list_newsgroups_i {
-        my ($self, $groupnames) = @_;
-        my @window = splice(@$groupnames, 0, 100) or return 0;
-        my $groups = $self->{nntpd}->{pi_cfg}->{-by_newsgroup};
-        my $ibx;
-        for my $ngname (@window) {
-                $ibx = $groups->{$ngname} and
-                        $self->msg_more("$ngname ".$ibx->description."\r\n");
-        }
-        scalar(@$groupnames); # continue if there's more
+        my ($self, $ibxs) = @_;
+        my @window = splice(@$ibxs, 0, 1000);
+        $self->msg_more(join('', map {
+                "$_->{newsgroup} ".$_->description."\r\n"
+        } @window));
+        scalar @$ibxs; # continue if there's more
 }
 
 sub list_newsgroups ($;$) { # called by cmd_list
         my ($self, $wildmat) = @_;
         wildmat2re($wildmat);
-        $self->long_response(\&list_newsgroups_i, [
-                grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+        my @names = grep(/$wildmat/, @{$self->{nntpd}->{groupnames}});
+        $self->long_response(\&list_newsgroups_i, names2ibx($self, \@names));
 }
 
 # LIST SUBSCRIPTIONS, DISTRIB.PATS are not supported
@@ -178,8 +181,7 @@ sub cmd_list ($;$$) {
                 $arg->($self, @args);
         } else {
                 $self->msg_more("215 list of newsgroups follows\r\n");
-                $self->long_response(\&list_active_i, [ # copy array
-                        @{$self->{nntpd}->{groupnames}} ]);
+                $self->long_response(\&list_active_i, names2ibx($self));
         }
 }
 
@@ -242,23 +244,19 @@ sub parse_time ($$;$) {
         }
 }
 
-sub group_line ($$) {
-        my ($self, $ibx) = @_;
+sub group_line ($) {
+        my ($ibx) = @_;
         my ($min, $max) = $ibx->mm(1)->minmax;
-        $self->msg_more("$ibx->{newsgroup} $max $min n\r\n");
+        "$ibx->{newsgroup} $max $min n\r\n";
 }
 
 sub newgroups_i {
-        my ($self, $ts, $i, $groupnames) = @_;
-        my $end = $$i + 100;
-        my $groups = $self->{nntpd}->{pi_cfg}->{-by_newsgroup};
-        while ($$i < $end) {
-                my $ngname = $groupnames->[$$i++] // return;
-                my $ibx = $groups->{$ngname} or next; # expired on reload
-                next unless (eval { $ibx->uidvalidity } // 0) > $ts;
-                group_line($self, $ibx);
-        }
-        1;
+        my ($self, $ts, $ibxs) = @_;
+        my @window = splice(@$ibxs, 0, 1000);
+        $self->msg_more(join('', map { group_line($_) } grep {
+                 (eval { $_->uidvalidity } // 0) > $ts
+        } @window));
+        scalar @$ibxs;
 }
 
 sub cmd_newgroups ($$$;$$) {
@@ -268,8 +266,7 @@ sub cmd_newgroups ($$$;$$) {
 
         # TODO dists
         $self->msg_more("231 list of new newsgroups follows\r\n");
-        $self->long_response(\&newgroups_i, $ts, \(my $i = 0),
-                                $self->{nntpd}->{groupnames});
+        $self->long_response(\&newgroups_i, $ts, names2ibx($self));
 }
 
 sub wildmat2re (;$) {
@@ -304,22 +301,19 @@ sub ngpat2re (;$) {
 }
 
 sub newnews_i {
-        my ($self, $names, $ts, $prev) = @_;
-        my $ngname = $names->[0];
-        if (my $ibx = $self->{nntpd}->{pi_cfg}->{-by_newsgroup}->{$ngname}) {
-                if (my $over = $ibx->over) {
-                        my $msgs = $over->query_ts($ts, $$prev);
-                        if (scalar @$msgs) {
-                                $self->msg_more(join('', map {
-                                                        "<$_->{mid}>\r\n";
-                                                } @$msgs));
-                                $$prev = $msgs->[-1]->{num};
-                                return 1; # continue on current group
-                        }
+        my ($self, $ibxs, $ts, $prev) = @_;
+        if (my $over = $ibxs->[0]->over) {
+                my $msgs = $over->query_ts($ts, $$prev);
+                if (scalar @$msgs) {
+                        $self->msg_more(join('', map {
+                                                "<$_->{mid}>\r\n";
+                                        } @$msgs));
+                        $$prev = $msgs->[-1]->{num};
+                        return 1; # continue on current group
                 }
         }
-        shift @$names;
-        if (@$names) { # continue onto next newsgroup
+        shift @$ibxs;
+        if (@$ibxs) { # continue onto next newsgroup
                 $$prev = 0;
                 1;
         } else { # all done, break out of the long_response
@@ -335,11 +329,12 @@ sub cmd_newnews ($$$$;$$) {
         my ($keep, $skip) = split(/!/, $newsgroups, 2);
         ngpat2re($keep);
         ngpat2re($skip);
-        my @names = grep(!/$skip/, grep(/$keep/,
-                                @{$self->{nntpd}->{groupnames}}));
-        return ".\r\n" unless scalar(@names);
+        my @names = grep(/$keep/, @{$self->{nntpd}->{groupnames}});
+        @names = grep(!/$skip/, @names);
+        return \".\r\n" unless scalar(@names);
         my $prev = 0;
-        $self->long_response(\&newnews_i, \@names, $ts, \$prev);
+        $self->long_response(\&newnews_i, names2ibx($self, \@names),
+                                $ts, \$prev);
 }
 
 sub cmd_group ($$) {
diff --git a/lib/PublicInbox/NNTPD.pm b/lib/PublicInbox/NNTPD.pm
index 0350830b..6e79f0be 100644
--- a/lib/PublicInbox/NNTPD.pm
+++ b/lib/PublicInbox/NNTPD.pm
@@ -55,7 +55,7 @@ sub refresh_groups {
                         # run in the same process someday.
                 }
         });
-        $self->{groupnames} = [ sort(keys %$groups) ];
+        @{$self->{groupnames}} = sort(keys %$groups);
         # this will destroy old groups that got deleted
         $self->{pi_cfg} = $pi_cfg;
 }