ipc_worker_stop($self);
}
-# Sereal doesn't have dclone
-sub deep_clone { ipc_thaw(ipc_freeze($_[-1])) }
-
sub detect_nproc () {
# _SC_NPROCESSORS_ONLN = 84 on both Linux glibc and musl
return POSIX::sysconf(84) if $^O eq 'linux';
# make sure client sees stdout before exit
$self->{1}->autoflush(1) if $self->{1};
dump_and_clear_log();
- if (my $s = $self->{pkt_op} // $self->{sock}) {
+ if (my $s = $self->{pkt_op_p} // $self->{sock}) {
send($s, "x_it $code", MSG_EOR);
} elsif ($self->{oneshot}) {
# don't want to end up using $? from child processes
sub fail ($$;$) {
my ($self, $buf, $exit_code) = @_;
err($self, $buf) if defined $buf;
- send($self->{pkt_op}, '!', MSG_EOR) if $self->{pkt_op}; # fail_handler
+ # calls fail_handler:
+ send($self->{pkt_op_p}, '!', MSG_EOR) if $self->{pkt_op_p};
x_it($self, ($exit_code // 1) << 8);
undef;
}
sub child_error { # passes non-fatal curl exit codes to user
my ($self, $child_error) = @_; # child_error is $?
- if (my $s = $self->{pkt_op} // $self->{sock}) {
+ if (my $s = $self->{pkt_op_p} // $self->{sock}) {
# send to the parent lei-daemon or to lei(1) client
send($s, "child_error $child_error", MSG_EOR);
} elsif (!$PublicInbox::DS::in_loop) {
} # else noop if client disconnected
}
-sub atfork_prepare_wq {
- my ($self, $wq) = @_;
- my $tcafc = $wq->{-ipc_atfork_child_close} //= [ $listener // () ];
- if (my $sock = $self->{sock}) {
- push @$tcafc, @$self{qw(0 1 2 3)}, $sock;
- }
- if (my $pgr = $self->{pgr}) {
- push @$tcafc, @$pgr[1,2];
- }
- if (my $old_1 = $self->{old_1}) {
- push @$tcafc, $old_1;
- }
- for my $f (qw(lxs l2m)) {
- my $ipc = $self->{$f} or next;
- push @$tcafc, grep { defined }
- @$ipc{qw(-wq_s1 -wq_s2 -ipc_req -ipc_res)};
- }
-}
-
-sub io_restore ($$) {
- my ($dst, $src) = @_;
- for my $i (0..2) { # standard FDs
- my $io = delete $src->{$i} or next;
- $dst->{$i} = $io;
- }
- for my $i (3..9) { # named (non-standard) FDs
- my $io = $src->{$i} or next;
- my @st = stat($io) or die "stat $src.$i ($io): $!";
- my $f = delete $dst->{"dev=$st[0],ino=$st[1]"} // next;
- $dst->{$f} = $io;
- delete $src->{$i};
- }
-}
-
sub note_sigpipe { # triggers sigpipe_handler
my ($self, $fd) = @_;
close(delete($self->{$fd})); # explicit close silences Perl warning
- send($self->{pkt_op}, '|', MSG_EOR) if $self->{pkt_op};
+ send($self->{pkt_op_p}, '|', MSG_EOR) if $self->{pkt_op_p};
x_it($self, 13);
}
-sub atfork_child_wq {
- my ($self, $wq) = @_;
- io_restore($self, $wq);
- -S $self->{pkt_op} or die 'BUG: {pkt_op} expected';
- io_restore($self->{l2m}, $wq);
+sub lei_atfork_child {
+ my ($self) = @_;
+ # we need to explicitly close things which are on stack
+ delete $self->{0};
+ for (delete @$self{qw(3 sock old_1 au_done)}) {
+ close($_) if defined($_);
+ }
+ if (my $op_c = delete $self->{pkt_op_c}) {
+ close(delete $op_c->{sock});
+ }
+ if (my $pgr = delete $self->{pgr}) {
+ close($_) for (@$pgr[1,2]);
+ }
+ close $listener if $listener;
+ undef $listener;
%PATH2CFG = ();
undef $errors_log;
$quit = \&CORE::exit;
$current_lei = $self; # for SIG{__WARN__}
}
-sub io_extract ($;@) {
- my ($obj, @fields) = @_;
- my @io;
- for my $f (@fields) {
- my $io = delete $obj->{$f} or next;
- my @st = stat($io) or die "W: stat $obj.$f ($io): $!";
- $obj->{"dev=$st[0],ino=$st[1]"} = $f;
- push @io, $io;
- }
- @io
-}
-
-# usage: ($lei, @io) = $lei->atfork_parent_wq($wq);
-sub atfork_parent_wq {
- my ($self, $wq) = @_;
- my $env = delete $self->{env}; # env is inherited at fork
- my $lei = bless { %$self }, ref($self);
- for my $f (qw(dedupe ovv)) {
- my $tmp = delete($lei->{$f}) or next;
- $lei->{$f} = $wq->deep_clone($tmp);
- }
- $self->{env} = $env;
- delete @$lei{qw(sock 3 -lei_store cfg old_1 pgr lxs)}; # keep l2m
- my @io = (delete(@$lei{qw(0 1 2)}),
- io_extract($lei, qw(pkt_op startq)));
- my $l2m = $lei->{l2m};
- if ($l2m && $l2m != $wq) { # $wq == lxs
- if (my $wq_s1 = $l2m->{-wq_s1}) {
- push @io, io_extract($l2m, '-wq_s1');
- $l2m->{-wq_s1} = $wq_s1;
- }
- $l2m->wq_close(1);
- }
- ($lei, @io);
-}
-
sub _help ($;$) {
my ($self, $errmsg) = @_;
my $cmd = $self->{cmd} // 'COMMAND';
}
$lei->{ovv_buf} = \(my $buf = '') if !$l2m;
if ($l2m && !$ibxish) { # remote https?:// mboxrd
- delete $l2m->{-wq_s1};
my $g2m = $l2m->can('git_to_mail');
my $wcb = $l2m->write_cb($lei);
sub {
$wcb->(undef, $smsg, $eml);
};
} elsif ($l2m && $l2m->{-wq_s1}) {
- my ($lei_ipc, @io) = $lei->atfork_parent_wq($l2m);
- # $io[0] becomes a notification pipe that triggers EOF
+ # $io->[0] becomes a notification pipe that triggers EOF
# in this wq worker when all outstanding ->write_mail
# calls are complete
- $io[0] = undef;
- pipe($l2m->{each_smsg_done}, $io[0]) or die "pipe: $!";
- fcntl($io[0], 1031, 4096) if $^O eq 'linux'; # F_SETPIPE_SZ
- delete @$lei_ipc{qw(l2m opt mset_opt cmd)};
+ my $io = [];
+ pipe($l2m->{each_smsg_done}, $io->[0]) or die "pipe: $!";
+ fcntl($io->[0], 1031, 4096) if $^O eq 'linux'; # F_SETPIPE_SZ
my $git = $ibxish->git; # (LeiXSearch|Inbox|ExtSearch)->git
$self->{git} = $git;
my $git_dir = $git->{git_dir};
sub {
my ($smsg, $mitem) = @_;
$smsg->{pct} = get_pct($mitem) if $mitem;
- $l2m->wq_do('write_mail', \@io, $git_dir, $smsg,
- $lei_ipc);
+ $l2m->wq_do('write_mail', $io, $git_dir, $smsg);
}
- } elsif ($l2m) {
- my $wcb = $l2m->write_cb($lei);
- my $git = $ibxish->git; # (LeiXSearch|Inbox|ExtSearch)->git
- $self->{git} = $git; # for ovv_atexit_child
- my $g2m = $l2m->can('git_to_mail');
- sub {
- my ($smsg, $mitem) = @_;
- $smsg->{pct} = get_pct($mitem) if $mitem;
- $git->cat_async($smsg->{blob}, $g2m, [ $wcb, $smsg ]);
- };
} elsif ($self->{fmt} =~ /\A(concat)?json\z/ && $lei->{opt}->{pretty}) {
my $EOR = ($1//'') eq 'concat' ? "\n}" : "\n},";
sub { # DIY prettiness :P
$lei->out($buf);
$buf = '';
}
- } # else { ...
+ } else {
+ die "TODO: unhandled case $self->{fmt}"
+ }
}
no warnings 'once';
}
sub _post_augment_mbox { # open a compressor process
- my ($self, $lei, $zpipe) = @_;
+ my ($self, $lei) = @_;
my $zsfx = $self->{zsfx} or return;
my $cmd = zsfx2cmd($zsfx, undef, $lei);
- my ($r, $w) = splice(@$zpipe, 0, 2);
+ my ($r, $w) = @{delete $lei->{zpipe}};
my $rdr = { 0 => $r, 1 => $lei->{1}, 2 => $lei->{2} };
my $pid = spawn($cmd, $lei->{env}, $rdr);
my $pp = gensym;
$! == ENOENT or die "unlink($dst): $!";
}
open my $out, $mode, $dst or die "open($dst): $!";
- $lei->{old_1} = $lei->{1};
+ $lei->{old_1} = $lei->{1}; # keep for spawning MUA
$lei->{1} = $out;
}
# Perl does SEEK_END even with O_APPEND :<
state $zsfx_allow = join('|', keys %zsfx2cmd);
($self->{zsfx}) = ($dst =~ /\.($zsfx_allow)\z/) or return;
pipe(my ($r, $w)) or die "pipe: $!";
- [ $r, $w ];
+ $lei->{zpipe} = [ $r, $w ];
}
sub _do_augment_mbox {
$self->$m($lei, @args);
}
+sub ipc_atfork_child {
+ my ($self) = @_;
+ my $lei = delete $self->{lei};
+ $lei->lei_atfork_child;
+ if (my $zpipe = delete $lei->{zpipe}) {
+ $lei->{1} = $zpipe->[1];
+ close $zpipe->[0];
+ }
+ $self->{wcb} = $self->write_cb($lei);
+ $self->SUPER::ipc_atfork_child;
+}
+
sub write_mail { # via ->wq_do
- my ($self, $git_dir, $smsg, $lei) = @_;
+ my ($self, $git_dir, $smsg) = @_;
my $not_done = delete $self->{0} // die 'BUG: $not_done missing';
- my $wcb = $self->{wcb} //= do { # first message
- $lei->atfork_child_wq($self);
- $self->write_cb($lei);
- };
my $git = $self->{"$$\0$git_dir"} //= PublicInbox::Git->new($git_dir);
git_async_cat($git, $smsg->{blob}, \&git_to_mail,
- [$wcb, $smsg, $not_done]);
+ [$self->{wcb}, $smsg, $not_done]);
}
sub wq_atexit_child {
sub mset_progress {
my $lei = shift;
return unless $lei->{-progress};
- if ($lei->{pkt_op}) { # called via pkt_op/pkt_do from workers
- pkt_do($lei->{pkt_op}, 'mset_progress', @_);
+ if ($lei->{pkt_op_p}) {
+ pkt_do($lei->{pkt_op_p}, 'mset_progress', @_);
} else { # single lei-daemon consumer
my ($desc, $mset_size, $mset_total_est) = @_;
$lei->{-mset_total} += $mset_size;
}
sub query_thread_mset { # for --thread
- my ($self, $lei, $ibxish) = @_;
+ my ($self, $ibxish) = @_;
local $0 = "$0 query_thread_mset";
- $lei->atfork_child_wq($self);
+ my $lei = $self->{lei};
my $startq = delete $lei->{startq};
-
my ($srch, $over) = ($ibxish->search, $ibxish->over);
my $desc = $ibxish->{inboxdir} // $ibxish->{topdir};
return warn("$desc not indexed by Xapian\n") unless ($srch && $over);
}
sub query_mset { # non-parallel for non-"--thread" users
- my ($self, $lei) = @_;
+ my ($self) = @_;
local $0 = "$0 query_mset";
- $lei->atfork_child_wq($self);
+ my $lei = $self->{lei};
my $startq = delete $lei->{startq};
my $mo = { %{$lei->{mset_opt}} };
my $mset;
}
sub query_remote_mboxrd {
- my ($self, $lei, $uris) = @_;
+ my ($self, $uris) = @_;
local $0 = "$0 query_remote_mboxrd";
- $lei->atfork_child_wq($self);
local $SIG{TERM} = sub { exit(0) }; # for DESTROY (File::Temp, $reap)
+ my $lei = $self->{lei};
my ($opt, $env) = @$lei{qw(opt env)};
my @qform = (q => $lei->{mset_opt}->{qstr}, x => 'm');
push(@qform, t => 1) if $opt->{thread};
$git;
}
-sub query_done { # EOF callback
+sub query_done { # EOF callback for main daemon
my ($lei) = @_;
my $has_l2m = exists $lei->{l2m};
for my $f (qw(lxs l2m)) {
}
sub do_post_augment {
- my ($lei, $zpipe, $au_done) = @_;
- my $l2m = $lei->{l2m} or die 'BUG: no {l2m}';
- eval { $l2m->post_augment($lei, $zpipe) };
+ my ($lei) = @_;
+ eval { $lei->{l2m}->post_augment($lei) };
if (my $err = $@) {
if (my $lxs = delete $lei->{lxs}) {
$lxs->wq_kill;
}
$lei->fail("$err");
}
- close $au_done; # triggers wait_startq
+ close(delete $lei->{au_done}); # triggers wait_startq
}
my $MAX_PER_HOST = 4;
}
sub start_query { # always runs in main (lei-daemon) process
- my ($self, $io, $lei) = @_;
+ my ($self, $lei) = @_;
if ($lei->{opt}->{thread}) {
for my $ibxish (locals($self)) {
- $self->wq_do('query_thread_mset', $io, $lei, $ibxish);
+ $self->wq_do('query_thread_mset', [], $ibxish);
}
} elsif (locals($self)) {
- $self->wq_do('query_mset', $io, $lei);
+ $self->wq_do('query_mset', []);
}
my $i = 0;
my $q = [];
push @{$q->[$i++ % $MAX_PER_HOST]}, $uri;
}
for my $uris (@$q) {
- $self->wq_do('query_remote_mboxrd', $io, $lei, $uris);
+ $self->wq_do('query_remote_mboxrd', [], $uris);
}
- @$io = ();
+}
+
+sub ipc_atfork_child {
+ my ($self) = @_;
+ $self->{lei}->lei_atfork_child;
+ $self->SUPER::ipc_atfork_child;
}
sub query_prepare { # called by wq_do
- my ($self, $lei) = @_;
+ my ($self) = @_;
local $0 = "$0 query_prepare";
- $lei->atfork_child_wq($self);
- delete $lei->{l2m}->{-wq_s1};
+ my $lei = $self->{lei};
eval { $lei->{l2m}->do_augment($lei) };
$lei->fail($@) if $@;
- pkt_do($lei->{pkt_op}, '.') == 1 or die "do_post_augment trigger: $!"
+ pkt_do($lei->{pkt_op_p}, '.') == 1 or die "do_post_augment trigger: $!"
}
sub fail_handler ($;$$) {
sub do_query {
my ($self, $lei) = @_;
- $lei->{1}->autoflush(1);
- $lei->start_pager if -t $lei->{1};
- $lei->{ovv}->ovv_begin($lei);
- my ($au_done, $zpipe);
- my $l2m = $lei->{l2m};
- $lei->atfork_prepare_wq($self);
- $self->wq_workers_start('lei_xsearch', $self->{jobs}, $lei->oldset);
- delete $self->{-ipc_atfork_child_close};
- if ($l2m) {
- $lei->atfork_prepare_wq($l2m);
- $l2m->wq_workers_start('lei2mail', $l2m->{jobs}, $lei->oldset);
- delete $l2m->{-ipc_atfork_child_close};
- pipe($lei->{startq}, $au_done) or die "pipe: $!";
- # 1031: F_SETPIPE_SZ
- fcntl($lei->{startq}, 1031, 4096) if $^O eq 'linux';
- $zpipe = $l2m->pre_augment($lei);
- }
my $ops = {
'|' => [ \&sigpipe_handler, $lei ],
'!' => [ \&fail_handler, $lei ],
- '.' => [ \&do_post_augment, $lei, $zpipe, $au_done ],
+ '.' => [ \&do_post_augment, $lei ],
'' => [ \&query_done, $lei ],
'mset_progress' => [ \&mset_progress, $lei ],
'x_it' => [ $lei->can('x_it'), $lei ],
'child_error' => [ $lei->can('child_error'), $lei ],
};
- (my $op, $lei->{pkt_op}) = PublicInbox::PktOp->pair($ops);
- my ($lei_ipc, @io) = $lei->atfork_parent_wq($self);
- delete($lei->{pkt_op});
-
- $lei->event_step_init; # wait for shutdowns
+ ($lei->{pkt_op_c}, $lei->{pkt_op_p}) = PublicInbox::PktOp->pair($ops);
+ $lei->{1}->autoflush(1);
+ $lei->start_pager if -t $lei->{1};
+ $lei->{ovv}->ovv_begin($lei);
+ my $l2m = $lei->{l2m};
if ($l2m) {
- $self->wq_do('query_prepare', \@io, $lei_ipc);
- $io[1] = $zpipe->[1] if $zpipe;
+ $l2m->pre_augment($lei);
+ $l2m->wq_workers_start('lei2mail', $l2m->{jobs},
+ $lei->oldset, { lei => $lei });
+ pipe($lei->{startq}, $lei->{au_done}) or die "pipe: $!";
+ # 1031: F_SETPIPE_SZ
+ fcntl($lei->{startq}, 1031, 4096) if $^O eq 'linux';
}
- start_query($self, \@io, $lei_ipc);
- $self->wq_close(1);
+ $self->wq_workers_start('lei_xsearch', $self->{jobs},
+ $lei->oldset, { lei => $lei });
+ my $op = delete $lei->{pkt_op_c};
+ delete $lei->{pkt_op_p};
+ $l2m->wq_close(1) if $l2m;
+ $lei->event_step_init; # wait for shutdowns
+ $self->wq_do('query_prepare', []) if $l2m;
+ start_query($self, $lei);
+ $self->wq_close(1); # lei_xsearch workers stop when done
if ($lei->{oneshot}) {
- # for the $lei_ipc->atfork_child_wq PIPE handler:
while ($op->{sock}) { $op->event_step }
}
}