-# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# Copyright (C) 2016-2018 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Represents a public-inbox (which may have multiple mailing addresses)
package PublicInbox::Inbox;
use strict;
use warnings;
-use Scalar::Util qw(weaken isweak);
use PublicInbox::Git;
use PublicInbox::MID qw(mid2path);
+use PublicInbox::MIME;
-my $weakt;
-eval {
- $weakt = 'disabled';
- require PublicInbox::EvCleanup;
- $weakt = undef; # OK if we get here
-};
-
-my $WEAKEN = {}; # string(inbox) -> inbox
-sub weaken_task () {
- $weakt = undef;
- _weaken_fields($_) for values %$WEAKEN;
- $WEAKEN = {};
+# Long-running "git-cat-file --batch" processes won't notice
+# unlinked packs, so we need to restart those processes occasionally.
+# Xapian and SQLite file handles are mostly stable, but sometimes an
+# admin will attempt to replace them atomically after compact/vacuum
+# and we need to be prepared for that.
+my $cleanup_timer;
+my $cleanup_avail = -1; # 0, or 1
+my $have_devel_peek;
+my $CLEANUP = {}; # string(inbox) -> inbox
+sub cleanup_task () {
+ $cleanup_timer = undef;
+ my $next = {};
+ for my $ibx (values %$CLEANUP) {
+ my $again;
+ if ($have_devel_peek) {
+ foreach my $f (qw(mm search)) {
+ # we bump refcnt by assigning tmp, here:
+ my $tmp = $ibx->{$f} or next;
+ next if Devel::Peek::SvREFCNT($tmp) > 2;
+ delete $ibx->{$f};
+ # refcnt is zero when tmp is out-of-scope
+ }
+ }
+ my $expire = time - 60;
+ if (my $git = $ibx->{git}) {
+ $again = $git->cleanup($expire);
+ }
+ if (my $gits = $ibx->{-repo_objs}) {
+ foreach my $git (@$gits) {
+ $again = 1 if $git->cleanup($expire);
+ }
+ }
+ if ($have_devel_peek) {
+ $again ||= !!($ibx->{mm} || $ibx->{search});
+ }
+ $next->{"$ibx"} = $ibx if $again;
+ }
+ $CLEANUP = $next;
}
-sub _weaken_later ($) {
- my ($self) = @_;
- $weakt ||= PublicInbox::EvCleanup::later(*weaken_task);
- $WEAKEN->{"$self"} = $self;
-}
+sub cleanup_possible () {
+ # no need to require EvCleanup, here, if it were enabled another
+ # module would've require'd it, already
+ eval { PublicInbox::EvCleanup::enabled() } or return 0;
-sub new {
- my ($class, $opts) = @_;
- my $v = $opts->{address} ||= 'public-inbox@example.com';
- my $p = $opts->{-primary_address} = ref($v) eq 'ARRAY' ? $v->[0] : $v;
- $opts->{domain} = ($p =~ /\@(\S+)\z/) ? $1 : 'localhost';
- weaken($opts->{-pi_config});
- bless $opts, $class;
+ eval {
+ require Devel::Peek; # needs separate package in Fedora
+ $have_devel_peek = 1;
+ };
+ 1;
}
-sub _weaken_fields {
+sub _cleanup_later ($) {
my ($self) = @_;
- foreach my $f (qw(git mm search)) {
- isweak($self->{$f}) or weaken($self->{$f});
+ $cleanup_avail = cleanup_possible() if $cleanup_avail < 0;
+ return if $cleanup_avail != 1;
+ $cleanup_timer ||= PublicInbox::EvCleanup::later(*cleanup_task);
+ $CLEANUP->{"$self"} = $self;
+}
+
+sub _set_uint ($$$) {
+ my ($opts, $field, $default) = @_;
+ my $val = $opts->{$field};
+ if (defined $val) {
+ $val = $val->[-1] if ref($val) eq 'ARRAY';
+ $val = undef if $val !~ /\A\d+\z/;
}
+ $opts->{$field} = $val || $default;
}
sub _set_limiter ($$$) {
- my ($self, $git, $pfx) = @_;
+ my ($self, $pi_config, $pfx) = @_;
my $lkey = "-${pfx}_limiter";
- $git->{$lkey} = $self->{$lkey} ||= eval {
+ $self->{$lkey} ||= eval {
+ # full key is: publicinbox.$NAME.httpbackendmax
my $mkey = $pfx.'max';
my $val = $self->{$mkey} or return;
my $lim;
require PublicInbox::Qspawn;
$lim = PublicInbox::Qspawn::Limiter->new($val);
} elsif ($val =~ /\A[a-z][a-z0-9]*\z/) {
- $lim = $self->{-pi_config}->limiter($val);
+ $lim = $pi_config->limiter($val);
warn "$mkey limiter=$val not found\n" if !$lim;
} else {
warn "$mkey limiter=$val not understood\n";
}
}
+sub new {
+ my ($class, $opts) = @_;
+ my $v = $opts->{address} ||= 'public-inbox@example.com';
+ my $p = $opts->{-primary_address} = ref($v) eq 'ARRAY' ? $v->[0] : $v;
+ $opts->{domain} = ($p =~ /\@(\S+)\z/) ? $1 : 'localhost';
+ my $pi_config = delete $opts->{-pi_config};
+ _set_limiter($opts, $pi_config, 'httpbackend');
+ _set_uint($opts, 'feedmax', 25);
+ $opts->{nntpserver} ||= $pi_config->{'publicinbox.nntpserver'};
+ my $dir = $opts->{mainrepo};
+ if (defined $dir && -f "$dir/inbox.lock") {
+ $opts->{version} = 2;
+ }
+
+ # allow any combination of multi-line or comma-delimited hide entries
+ my $hide = {};
+ if (defined(my $h = $opts->{hide})) {
+ foreach my $v (@$h) {
+ $hide->{$_} = 1 foreach (split(/\s*,\s*/, $v));
+ }
+ $opts->{-hide} = $hide;
+ }
+ bless $opts, $class;
+}
+
+sub git_part {
+ my ($self, $part) = @_;
+ ($self->{version} || 1) == 2 or return;
+ $self->{"$part.git"} ||= eval {
+ my $git_dir = "$self->{mainrepo}/git/$part.git";
+ my $g = PublicInbox::Git->new($git_dir);
+ $g->{-httpbackend_limiter} = $self->{-httpbackend_limiter};
+ # no cleanup needed, we never cat-file off this, only clone
+ $g;
+ };
+}
+
sub git {
my ($self) = @_;
$self->{git} ||= eval {
- _weaken_later($self);
- my $g = PublicInbox::Git->new($self->{mainrepo});
- _set_limiter($self, $g, 'httpbackend');
+ my $git_dir = $self->{mainrepo};
+ $git_dir .= '/all.git' if (($self->{version} || 1) == 2);
+ my $g = PublicInbox::Git->new($git_dir);
+ $g->{-httpbackend_limiter} = $self->{-httpbackend_limiter};
+ _cleanup_later($self);
$g;
};
}
+sub max_git_part {
+ my ($self) = @_;
+ my $v = $self->{version};
+ return unless defined($v) && $v == 2;
+ my $part = $self->{-max_git_part};
+ my $changed = git($self)->alternates_changed;
+ if (!defined($part) || $changed) {
+ $self->git->cleanup if $changed;
+ my $gits = "$self->{mainrepo}/git";
+ if (opendir my $dh, $gits) {
+ my $max = -1;
+ while (defined(my $git_dir = readdir($dh))) {
+ $git_dir =~ m!\A(\d+)\.git\z! or next;
+ $max = $1 if $1 > $max;
+ }
+ $part = $self->{-max_git_part} = $max if $max >= 0;
+ } else {
+ warn "opendir $gits failed: $!\n";
+ }
+ }
+ $part;
+}
+
sub mm {
my ($self) = @_;
$self->{mm} ||= eval {
- _weaken_later($self);
- PublicInbox::Msgmap->new($self->{mainrepo});
+ require PublicInbox::Msgmap;
+ _cleanup_later($self);
+ my $dir = $self->{mainrepo};
+ if (($self->{version} || 1) >= 2) {
+ PublicInbox::Msgmap->new_file("$dir/msgmap.sqlite3");
+ } else {
+ PublicInbox::Msgmap->new($dir);
+ }
};
}
sub search {
my ($self) = @_;
$self->{search} ||= eval {
- _weaken_later($self);
- PublicInbox::Search->new($self->{mainrepo});
+ _cleanup_later($self);
+ PublicInbox::Search->new($self, $self->{altid});
};
}
local $/ = "\n";
chomp $desc;
$desc =~ s/\s+/ /smg;
- $desc = '($GIT_DIR/description missing)' if $desc eq '';
+ $desc = '($REPO_DIR/description missing)' if $desc eq '';
$self->{description} = $desc;
}
sub base_url {
my ($self, $env) = @_;
- if ($env) { # PSGI env
- my $scheme = $env->{'psgi.url_scheme'};
+ my $scheme;
+ if ($env && ($scheme = $env->{'psgi.url_scheme'})) { # PSGI env
my $host_port = $env->{HTTP_HOST} ||
"$env->{SERVER_NAME}:$env->{SERVER_PORT}";
my $url = "$scheme://$host_port". ($env->{SCRIPT_NAME} || '/');
}
}
+sub nntp_url {
+ my ($self) = @_;
+ $self->{-nntp_url} ||= do {
+ # no checking for nntp_usable here, we can point entirely
+ # to non-local servers or users run by a different user
+ my $ns = $self->{nntpserver};
+ my $group = $self->{newsgroup};
+ my @urls;
+ if ($ns && $group) {
+ $ns = [ $ns ] if ref($ns) ne 'ARRAY';
+ @urls = map {
+ my $u = m!\Anntps?://! ? $_ : "nntp://$_";
+ $u .= '/' if $u !~ m!/\z!;
+ $u.$group;
+ } @$ns;
+ }
+
+ my $mirrors = $self->{nntpmirror};
+ if ($mirrors) {
+ my @m;
+ foreach (@$mirrors) {
+ my $u = m!\Anntps?://! ? $_ : "nntp://$_";
+ if ($u =~ m!\Anntps?://[^/]+/?\z!) {
+ if ($group) {
+ $u .= '/' if $u !~ m!/\z!;
+ $u .= $group;
+ } else {
+ warn
+"publicinbox.$self->{name}.nntpmirror=$_ missing newsgroup name\n";
+ }
+ }
+ # else: allow full URLs like:
+ # nntp://news.example.com/alt.example
+ push @m, $u;
+ }
+ my %seen = map { $_ => 1 } @urls;
+ foreach my $u (@m) {
+ next if $seen{$u};
+ $seen{$u} = 1;
+ push @urls, $u;
+ }
+ }
+ \@urls;
+ };
+}
+
sub nntp_usable {
my ($self) = @_;
my $ret = $self->mm && $self->search;
sub msg_by_smsg ($$;$) {
my ($self, $smsg, $ref) = @_;
- # backwards compat to fallback to msg_by_mid
- # TODO: remove if we bump SCHEMA_VERSION in Search.pm:
- defined(my $blob = $smsg->blob) or return msg_by_mid($self, $smsg->mid);
+ # ghosts may have undef smsg (from SearchThread.node) or
+ # no {blob} field
+ return unless defined $smsg;
+ defined(my $blob = $smsg->{blob}) or return;
my $str = git($self)->cat_file($blob, $ref);
$$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s if $str;
$str;
}
-sub path_check {
- my ($self, $path) = @_;
- git($self)->check('HEAD:'.$path);
+sub smsg_mime {
+ my ($self, $smsg, $ref) = @_;
+ if (my $s = msg_by_smsg($self, $smsg, $ref)) {
+ $smsg->{mime} = PublicInbox::MIME->new($s);
+ return $smsg;
+ }
+}
+
+sub mid2num($$) {
+ my ($self, $mid) = @_;
+ my $mm = mm($self) or return;
+ $mm->num_for($mid);
+}
+
+sub smsg_by_mid ($$) {
+ my ($self, $mid) = @_;
+ my $srch = search($self) or return;
+ # favor the Message-ID we used for the NNTP article number:
+ defined(my $num = mid2num($self, $mid)) or return;
+ my $smsg = $srch->lookup_article($num) or return;
+ PublicInbox::SearchMsg::psgi_cull($smsg);
}
sub msg_by_mid ($$;$) {
my ($self, $mid, $ref) = @_;
- msg_by_path($self, mid2path($mid), $ref);
+ my $srch = search($self) or
+ return msg_by_path($self, mid2path($mid), $ref);
+ my $smsg = smsg_by_mid($self, $mid);
+ $smsg ? msg_by_smsg($self, $smsg, $ref) : undef;
+}
+
+sub recent {
+ my ($self, $opts, $after, $before) = @_;
+ search($self)->{over_ro}->recent($opts, $after, $before);
+}
+
+sub modified {
+ my ($self) = @_;
+ if (my $srch = search($self)) {
+ my $msgs = $srch->{over_ro}->recent({limit => 1});
+ if (my $smsg = $msgs->[0]) {
+ return $smsg->{ts};
+ }
+ return time;
+ }
+ git($self)->modified; # v1
}
1;