-# Copyright (C) 2016 all contributors <meta@public-inbox.org>
+# Copyright (C) 2016-2020 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)
use warnings;
use PublicInbox::Git;
use PublicInbox::MID qw(mid2path);
-use Devel::Peek qw(SvREFCNT);
+use PublicInbox::Eml;
+# 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;
-eval {
- $cleanup_timer = 'disabled';
- require PublicInbox::EvCleanup;
- $cleanup_timer = undef; # OK if we get here
-};
-
+my $cleanup_avail = -1; # 0, or 1
+my $have_devel_peek;
my $CLEANUP = {}; # string(inbox) -> inbox
+
+sub git_cleanup ($) {
+ my ($self) = @_;
+ my $git = $self->{git} or return;
+ $git->cleanup;
+}
+
sub cleanup_task () {
$cleanup_timer = undef;
+ my $next = {};
for my $ibx (values %$CLEANUP) {
- foreach my $f (qw(git mm search)) {
- delete $ibx->{$f} if SvREFCNT($ibx->{$f}) == 1;
+ my $again;
+ if ($have_devel_peek) {
+ foreach my $f (qw(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
+ }
+ }
+ git_cleanup($ibx);
+ if (my $gits = $ibx->{-repo_objs}) {
+ foreach my $git (@$gits) {
+ $again = 1 if $git->cleanup;
+ }
+ }
+ check_inodes($ibx);
+ if ($have_devel_peek) {
+ $again ||= !!$ibx->{search};
}
+ $next->{"$ibx"} = $ibx if $again;
}
- $CLEANUP = {};
+ $CLEANUP = $next;
+}
+
+sub cleanup_possible () {
+ # no need to require DS, here, if it were enabled another
+ # module would've require'd it, already
+ eval { PublicInbox::DS::in_loop() } or return 0;
+
+ eval {
+ require Devel::Peek; # needs separate package in Fedora
+ $have_devel_peek = 1;
+ };
+ 1;
}
sub _cleanup_later ($) {
my ($self) = @_;
- $cleanup_timer ||= PublicInbox::EvCleanup::later(*cleanup_task);
+ $cleanup_avail = cleanup_possible() if $cleanup_avail < 0;
+ return if $cleanup_avail != 1;
+ $cleanup_timer ||= PublicInbox::DS::later(*cleanup_task);
$CLEANUP->{"$self"} = $self;
}
my $val = $opts->{$field};
if (defined $val) {
$val = $val->[-1] if ref($val) eq 'ARRAY';
- $val = undef if $val !~ /\A\d+\z/;
+ $val = undef if $val !~ /\A[0-9]+\z/;
}
$opts->{$field} = $val || $default;
}
sub _set_limiter ($$$) {
my ($self, $pi_config, $pfx) = @_;
my $lkey = "-${pfx}_limiter";
- $self->{$lkey} ||= eval {
+ $self->{$lkey} ||= do {
# full key is: publicinbox.$NAME.httpbackendmax
my $mkey = $pfx.'max';
my $val = $self->{$mkey} or return;
my $lim;
- if ($val =~ /\A\d+\z/) {
+ if ($val =~ /\A[0-9]+\z/) {
require PublicInbox::Qspawn;
$lim = PublicInbox::Qspawn::Limiter->new($val);
} elsif ($val =~ /\A[a-z][a-z0-9]*\z/) {
sub new {
my ($class, $opts) = @_;
- my $v = $opts->{address} ||= 'public-inbox@example.com';
+ 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->{inboxdir};
+ 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 version { $_[0]->{version} // 1 }
+
+sub git_epoch {
+ my ($self, $epoch) = @_;
+ $self->version == 2 or return;
+ $self->{"$epoch.git"} ||= do {
+ my $git_dir = "$self->{inboxdir}/git/$epoch.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 {
- my $g = PublicInbox::Git->new($self->{mainrepo});
+ $self->{git} ||= do {
+ my $git_dir = $self->{inboxdir};
+ $git_dir .= '/all.git' if $self->version == 2;
+ my $g = PublicInbox::Git->new($git_dir);
$g->{-httpbackend_limiter} = $self->{-httpbackend_limiter};
_cleanup_later($self);
$g;
};
}
+sub max_git_epoch {
+ my ($self) = @_;
+ return if $self->version < 2;
+ my $cur = $self->{-max_git_epoch};
+ my $changed = git($self)->alternates_changed;
+ if (!defined($cur) || $changed) {
+ git_cleanup($self) if $changed;
+ my $gits = "$self->{inboxdir}/git";
+ if (opendir my $dh, $gits) {
+ my $max = -1;
+ while (defined(my $git_dir = readdir($dh))) {
+ $git_dir =~ m!\A([0-9]+)\.git\z! or next;
+ $max = $1 if $1 > $max;
+ }
+ $cur = $self->{-max_git_epoch} = $max if $max >= 0;
+ } else {
+ warn "opendir $gits failed: $!\n";
+ }
+ }
+ $cur;
+}
+
sub mm {
my ($self) = @_;
$self->{mm} ||= eval {
- _cleanup_later($self);
- PublicInbox::Msgmap->new($self->{mainrepo});
+ require PublicInbox::Msgmap;
+ my $dir = $self->{inboxdir};
+ if ($self->version >= 2) {
+ PublicInbox::Msgmap->new_file("$dir/msgmap.sqlite3");
+ } else {
+ PublicInbox::Msgmap->new($dir);
+ }
};
}
-sub search {
- my ($self) = @_;
- $self->{search} ||= eval {
+sub search ($;$$) {
+ my ($self, $over_only, $ctx) = @_;
+ my $srch = $self->{search} ||= eval {
_cleanup_later($self);
- PublicInbox::Search->new($self->{mainrepo}, $self->{altid});
+ require PublicInbox::Search;
+ PublicInbox::Search->new($self);
+ };
+ ($over_only || eval { $srch->xdb }) ? $srch : do {
+ $ctx and $ctx->{env}->{'psgi.errors'}->print(<<EOF);
+`$self->{name}' search went away unexpectedly
+EOF
+ undef;
+ };
+}
+
+sub over {
+ $_[0]->{over} //= eval {
+ my $srch = search($_[0], 1) or return;
+ my $over = PublicInbox::Over->new("$srch->{xpfx}/over.sqlite3");
+ $over->dbh; # may fail
+ $over;
};
}
sub description {
my ($self) = @_;
- my $desc = $self->{description};
- return $desc if defined $desc;
- $desc = try_cat("$self->{mainrepo}/description");
- local $/ = "\n";
- chomp $desc;
- $desc =~ s/\s+/ /smg;
- $desc = '($GIT_DIR/description missing)' if $desc eq '';
- $self->{description} = $desc;
+ ($self->{description} //= do {
+ my $desc = try_cat("$self->{inboxdir}/description");
+ local $/ = "\n";
+ chomp $desc;
+ utf8::decode($desc);
+ $desc =~ s/\s+/ /smg;
+ $desc eq '' ? undef : $desc;
+ }) // '($INBOX_DIR/description missing)';
}
sub cloneurl {
my ($self) = @_;
- my $url = $self->{cloneurl};
- return $url if $url;
- $url = try_cat("$self->{mainrepo}/cloneurl");
- my @url = split(/\s+/s, $url);
- local $/ = "\n";
- chomp @url;
- $self->{cloneurl} = \@url;
+ ($self->{cloneurl} //= do {
+ my $s = try_cat("$self->{inboxdir}/cloneurl");
+ my @urls = split(/\s+/s, $s);
+ scalar(@urls) ? \@urls : undef
+ }) // [];
}
sub base_url {
- my ($self, $env) = @_;
- if ($env) { # PSGI env
- my $scheme = $env->{'psgi.url_scheme'};
- my $host_port = $env->{HTTP_HOST} ||
- "$env->{SERVER_NAME}:$env->{SERVER_PORT}";
- my $url = "$scheme://$host_port". ($env->{SCRIPT_NAME} || '/');
+ my ($self, $env) = @_; # env - PSGI env
+ if ($env) {
+ my $url = PublicInbox::Git::host_prefix_url($env, '');
# for mount in Plack::Builder
$url .= '/' if $url !~ m!/\z!;
- $url .= $self->{name} . '/';
- } else {
- # either called from a non-PSGI environment (e.g. NNTP/POP3)
- $self->{-base_url} ||= do {
- my $url = $self->{url} or return undef;
- # expand protocol-relative URLs to HTTPS if we're
- # not inside a web server
- $url = "https:$url" if $url =~ m!\A//!;
- $url .= '/' if $url !~ m!/\z!;
- $url;
- };
+ return $url .= $self->{name} . '/';
}
+ # called from a non-PSGI environment (e.g. NNTP/POP3):
+ $self->{-base_url} ||= do {
+ my $url = $self->{url}->[0] or return undef;
+ # expand protocol-relative URLs to HTTPS if we're
+ # not inside a web server
+ $url = "https:$url" if $url =~ m!\A//!;
+ $url .= '/' if $url !~ m!/\z!;
+ $url;
+ };
}
sub nntp_url {
# 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, $u;
- }
+
+ # List::Util::uniq requires Perl 5.26+, maybe we
+ # can use it by 2030 or so
+ my %seen;
+ @urls = grep { !$seen{$_}++ } (@urls, @m);
}
\@urls;
};
sub nntp_usable {
my ($self) = @_;
- my $ret = $self->mm && $self->search;
- $self->{mm} = $self->{search} = undef;
+ my $ret = mm($self) && over($self);
+ $self->{mm} = $self->{over} = $self->{search} = undef;
$ret;
}
-sub msg_by_path ($$;$) {
- my ($self, $path, $ref) = @_;
- # TODO: allow other refs:
- my $str = git($self)->cat_file('HEAD:'.$path, $ref);
- $$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s if $str;
- $str;
+# for v1 users w/o SQLite only
+sub msg_by_path ($$) {
+ my ($self, $path) = @_;
+ git($self)->cat_file('HEAD:'.$path);
}
-sub msg_by_smsg ($$;$) {
- my ($self, $smsg, $ref) = @_;
+sub msg_by_smsg ($$) {
+ my ($self, $smsg) = @_;
- return unless defined $smsg; # ghost
+ # ghosts may have undef smsg (from SearchThread.node) or
+ # no {blob} field
+ return unless defined $smsg;
+ defined(my $blob = $smsg->{blob}) or return;
- # backwards compat to fallback to msg_by_mid
- # TODO: remove if we bump SCHEMA_VERSION in Search.pm:
- defined(my $blob = $smsg->{blob}) or
- return msg_by_mid($self, $smsg->mid);
+ git($self)->cat_file($blob);
+}
- my $str = git($self)->cat_file($blob, $ref);
- $$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s if $str;
- $str;
+sub smsg_eml {
+ my ($self, $smsg) = @_;
+ my $bref = msg_by_smsg($self, $smsg) or return;
+ my $eml = PublicInbox::Eml->new($bref);
+ $smsg->populate($eml) unless exists($smsg->{num}); # v1 w/o SQLite
+ $eml;
}
-sub path_check {
- my ($self, $path) = @_;
- git($self)->check('HEAD:'.$path);
+sub mid2num($$) {
+ my ($self, $mid) = @_;
+ my $mm = mm($self) or return;
+ $mm->num_for($mid);
}
-sub msg_by_mid ($$;$) {
- my ($self, $mid, $ref) = @_;
- msg_by_path($self, mid2path($mid), $ref);
+sub smsg_by_mid ($$) {
+ my ($self, $mid) = @_;
+ my $over = over($self) or return;
+ # favor the Message-ID we used for the NNTP article number:
+ defined(my $num = mid2num($self, $mid)) or return;
+ my $smsg = $over->get_art($num) or return;
+ PublicInbox::Smsg::psgi_cull($smsg);
+}
+
+sub msg_by_mid ($$) {
+ my ($self, $mid) = @_;
+
+ over($self) or
+ return msg_by_path($self, mid2path($mid));
+
+ my $smsg = smsg_by_mid($self, $mid);
+ $smsg ? msg_by_smsg($self, $smsg) : undef;
+}
+
+sub recent {
+ my ($self, $opts, $after, $before) = @_;
+ over($self)->recent($opts, $after, $before);
+}
+
+sub modified {
+ my ($self) = @_;
+ if (my $over = over($self)) {
+ my $msgs = $over->recent({limit => 1});
+ if (my $smsg = $msgs->[0]) {
+ return $smsg->{ts};
+ }
+ return time;
+ }
+ git($self)->modified; # v1
+}
+
+# returns prefix => pathname mapping
+# (pathname is NOT public, but prefix is used for Xapian queries)
+sub altid_map ($) {
+ my ($self) = @_;
+ $self->{-altid_map} //= eval {
+ require PublicInbox::AltId;
+ my $altid = $self->{altid} or return {};
+ my %h = map {;
+ my $x = PublicInbox::AltId->new($self, $_);
+ "$x->{prefix}" => $x->{filename}
+ } @$altid;
+ \%h;
+ } // {};
+}
+
+# $obj must respond to ->on_inbox_unlock, which takes Inbox ($self) as an arg
+sub subscribe_unlock {
+ my ($self, $ident, $obj) = @_;
+ $self->{unlock_subs}->{$ident} = $obj;
+}
+
+sub unsubscribe_unlock {
+ my ($self, $ident) = @_;
+ delete $self->{unlock_subs}->{$ident};
+}
+
+sub check_inodes ($) {
+ my ($self) = @_;
+ for (qw(over mm)) { # TODO: search
+ $self->{$_}->check_inodes if $self->{$_};
+ }
+}
+
+# called by inotify
+sub on_unlock {
+ my ($self) = @_;
+ check_inodes($self);
+ my $subs = $self->{unlock_subs} or return;
+ for (values %$subs) {
+ eval { $_->on_inbox_unlock($self) };
+ warn "E: $@ ($self->{inboxdir})\n" if $@;
+ }
}
1;