PublicInbox::LeiQuery);
use Getopt::Long ();
use Socket qw(AF_UNIX SOCK_SEQPACKET MSG_EOR pack_sockaddr_un);
-use Errno qw(EAGAIN EINTR ECONNREFUSED ENOENT ECONNRESET);
+use Errno qw(EPIPE EAGAIN EINTR ECONNREFUSED ENOENT ECONNRESET);
use Cwd qw(getcwd);
-use POSIX ();
+use POSIX qw(strftime);
use IO::Handle ();
use Fcntl qw(SEEK_SET);
-use Sys::Syslog qw(syslog openlog);
use PublicInbox::Config;
use PublicInbox::Syscall qw(SFD_NONBLOCK EPOLLIN EPOLLET);
use PublicInbox::Sigfd;
'q' => [ 'SEARCH_TERMS...', 'search for messages matching terms', qw(
save-as=s output|mfolder|o=s format|f=s dedupe|d=s thread|t augment|a
sort|s=s reverse|r offset=i remote! local! external! pretty
- mua-cmd|mua=s no-torsocks torsocks=s verbose|v
+ include|I=s@ exclude=s@ only=s@
+ mua-cmd|mua=s no-torsocks torsocks=s verbose|v quiet|q
received-after=s received-before=s sent-after=s sent-since=s),
PublicInbox::LeiQuery::curl_opt(), opt_dash('limit|n=i', '[0-9]+') ],
'q format|f=s' => [
'OUT|maildir|mboxrd|mboxcl2|mboxcl|mboxo|html|json|jsonl|concatjson',
'specify output format, default depends on --output'],
+'q exclude=s@' => [ 'URL_OR_PATHNAME',
+ 'exclude specified external(s) from search' ],
+'q include|I=s@' => [ 'URL_OR_PATHNAME',
+ 'include specified external(s) in search' ],
+'q only=s@' => [ 'URL_OR_PATHNAME',
+ 'only use specified external(s) for search' ],
+
'ls-query format|f=s' => $ls_format,
'ls-external format|f=s' => $ls_format,
dump_and_clear_log();
if (my $sock = $self->{sock}) {
send($sock, "x_it $code", MSG_EOR);
- } elsif (!($code & 127)) { # oneshot, ignore signals
+ } elsif ($self->{oneshot}) {
# don't want to end up using $? from child processes
for my $f (qw(lxs l2m)) {
my $wq = delete $self->{$f} or next;
$wq->DESTROY;
}
- $quit->($code >> 8);
- }
+ # cleanup anything that has tempfiles
+ delete @$self{qw(ovv dedupe)};
+ if (my $signum = ($code & 127)) { # usually SIGPIPE (13)
+ $SIG{PIPE} = 'DEFAULT'; # $SIG{$signum} doesn't work
+ kill $signum, $$;
+ sleep; # wait for signal
+ } else {
+ $quit->($code >> 8);
+ }
+ } # else ignore if client disconnected
}
-sub puts ($;@) { print { shift->{1} } map { "$_\n" } @_ }
-
-sub out ($;@) { print { shift->{1} } @_ }
-
sub err ($;@) {
my $self = shift;
- my $err = $self->{2} // ($self->{pgr} // [])->[2] // *STDERR{IO};
- print $err @_, (substr($_[-1], -1, 1) eq "\n" ? () : "\n");
+ my $err = $self->{2} // ($self->{pgr} // [])->[2] // *STDERR{GLOB};
+ my $eor = (substr($_[-1], -1, 1) eq "\n" ? () : "\n");
+ print $err @_, $eor and return;
+ my $old_err = delete $self->{2};
+ close($old_err) if $! == EPIPE && $old_err;;
+ $err = $self->{2} = ($self->{pgr} // [])->[2] // *STDERR{GLOB};
+ print $err @_, $eor or print STDERR @_, $eor;
}
sub qerr ($;@) { $_[0]->{opt}->{quiet} or err(shift, @_) }
sub fail ($$;$) {
my ($self, $buf, $exit_code) = @_;
- err($self, $buf);
+ err($self, $buf) if defined $buf;
+ send($self->{pkt_op}, '!', MSG_EOR) if $self->{pkt_op}; # fail_handler
x_it($self, ($exit_code // 1) << 8);
undef;
}
+sub out ($;@) {
+ my $self = shift;
+ return if print { $self->{1} // return } @_; # likely
+ return note_sigpipe($self, 1) if $! == EPIPE;
+ my $err = "error writing to stdout: $!";
+ delete $self->{1};
+ fail($self, $err);
+}
+
+sub puts ($;@) { out(shift, map { "$_\n" } @_) }
+
sub child_error { # passes non-fatal curl exit codes to user
my ($self, $child_error) = @_; # child_error is $?
if (my $sock = $self->{sock}) { # send to lei(1) client
send($sock, "child_error $child_error", MSG_EOR);
- } else { # oneshot
+ } elsif ($self->{oneshot}) {
$self->{child_error} = $child_error;
- }
- undef;
+ } # else noop if client disconnected
}
sub atfork_prepare_wq {
}
}
-# usage: my %sig = $lei->atfork_child_wq($wq);
-# local @SIG{keys %sig} = values %sig;
+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 $self->{pkt_op};
+ x_it($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);
%PATH2CFG = ();
undef $errors_log;
$quit = \&CORE::exit;
- (__WARN__ => sub { err($self, @_) },
- PIPE => sub {
- $self->x_it(13); # SIGPIPE = 13
- # we need to close explicitly to avoid Perl warning on SIGPIPE
- for my $i (1, 2) {
- next unless $self->{$i} && (-p $self->{$i} || -S _);
- close(delete $self->{$i});
- }
- # trigger the LeiXSearch $done OpPipe:
- syswrite($self->{op_pipe}, '!') if $self->{op_pipe};
- $SIG{PIPE} = 'DEFAULT';
- die bless(\"$_[0]", 'PublicInbox::SIGPIPE'),
- });
+ $current_lei = $self; # for SIG{__WARN__}
}
sub io_extract ($;@) {
my ($self, $wq) = @_;
my $env = delete $self->{env}; # env is inherited at fork
my $lei = bless { %$self }, ref($self);
- if (my $dedupe = delete $lei->{dedupe}) {
- $lei->{dedupe} = $wq->deep_clone($dedupe);
+ 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(3 -lei_store cfg old_1 pgr lxs)}; # keep l2m
my @io = (delete(@$lei{qw(0 1 2)}),
- io_extract($lei, qw(sock op_pipe startq)));
+ io_extract($lei, qw(sock pkt_op startq)));
my $l2m = $lei->{l2m};
if ($l2m && $l2m != $wq) { # $wq == lxs
if (my $wq_s1 = $l2m->{-wq_s1}) {
my $opt = quotemeta $1;
puts $self, map {
my $v = $OPTDESC{$_};
- $v = $v->[0] if ref($v);
- my @v = split(/\|/, $v);
+ my @v = ref($v) ? split(/\|/, $v->[0]) : ();
# get rid of ALL CAPS placeholder (e.g "OUT")
# (TODO: completion for external paths)
shift(@v) if uc($v[0]) eq $v[0];
push @cmd, $mfolder unless defined($replaced);
if (my $sock = $self->{sock}) { # lei(1) client process runs it
send($sock, exec_buf(\@cmd, {}), MSG_EOR);
- } else { # oneshot
+ } elsif ($self->{oneshot}) {
$self->{"mua.pid.$self.$$"} = spawn(\@cmd);
}
}
$new_env->{MORE} = 'FRX' if $^O eq 'freebsd';
pipe(my ($r, $wpager)) or return warn "pipe: $!";
my $rdr = { 0 => $r, 1 => $self->{1}, 2 => $self->{2} };
- my $pgr = [ undef, @$rdr{1, 2}, $$ ];
+ my $pgr = [ undef, @$rdr{1, 2} ];
if (my $sock = $self->{sock}) { # lei(1) process runs it
delete @$new_env{keys %$env}; # only set iff unset
my $fds = [ map { fileno($_) } @$rdr{0..2} ];
$send_cmd->($sock, $fds, exec_buf([$pager], $new_env), MSG_EOR);
- } else {
+ } elsif ($self->{oneshot}) {
$pgr->[0] = spawn([$pager], $new_env, $rdr);
+ $pgr->[3] = $$; # ew'll reap it
+ } else {
+ die 'BUG: start_pager w/o socket';
}
$self->{1} = $wpager;
$self->{2} = $wpager if -t $self->{2};
# do not restore original stdout, just close it so we error out
close(delete($self->{1})) if $self->{1};
my $pid = $pgr->[0];
- dwaitpid($pid, undef, $self->{sock}) if $pid && $pgr->[3] == $$;
+ dwaitpid($pid) if $pid && ($pgr->[3] // 0) == $$;
}
sub accept_dispatch { # Listener {post_accept} callback
$sock->autoflush(1);
my $self = bless { sock => $sock }, __PACKAGE__;
vec(my $rvec = '', fileno($sock), 1) = 1;
- select($rvec, undef, undef, 1) or
+ select($rvec, undef, undef, 60) or
return send($sock, 'timed out waiting to recv FDs', MSG_EOR);
my @fds = $recv_cmd->($sock, my $buf, 4096 * 33); # >MAX_ARG_STRLEN
if (scalar(@fds) == 4) {
send($sock, "open(+<&=$fd) (FD=$i): $!", MSG_EOR);
}
} else {
- return send($sock, "recv_cmd failed: $!", MSG_EOR);
+ my $msg = "recv_cmd failed: $!";
+ warn $msg;
+ return send($sock, $msg, MSG_EOR);
}
$self->{2}->autoflush(1); # keep stdout buffered until x_it|DESTROY
# $ENV_STR = join('', map { "\0$_=$ENV{$_}" } keys %ENV);
sub dclose {
my ($self) = @_;
+ delete $self->{-progress};
for my $f (qw(lxs l2m)) {
my $wq = delete $self->{$f} or next;
if ($wq->wq_kill) {
$wq->wq_close
} elsif ($wq->wq_kill_old) {
- $wq->wq_wait_old;
+ $wq->wq_wait_old($self);
}
}
close(delete $self->{1}) if $self->{1}; # may reap_compress
sub event_step_init {
my ($self) = @_;
if (my $sock = $self->{sock}) { # using DS->EventLoop
- $sock->blocking(0);
$self->SUPER::new($sock, EPOLLIN|EPOLLET);
}
}
$! = $errno; # allow interpolation to stringify in die
die "connect($path): $!";
}
+ if (eval { require BSD::Resource }) {
+ my $NOFILE = BSD::Resource::RLIMIT_NOFILE();
+ my ($s, $h) = BSD::Resource::getrlimit($NOFILE);
+ BSD::Resource::setrlimit($NOFILE, $h, $h) if $s < $h;
+ }
umask(077) // die("umask(077): $!");
local $listener;
socket($listener, AF_UNIX, SOCK_SEQPACKET, 0) or die "socket: $!";
warn "$path dev/ino changed, quitting\n";
$path = undef;
}
- } elsif (defined($path)) {
- warn "stat($path): $!, quitting ...\n";
- undef $path; # don't unlink
+ } elsif (defined($path)) { # ENOENT is common
+ warn "stat($path): $!, quitting ...\n" if $! != ENOENT;
+ undef $path;
$quit->();
}
return 1 if defined($path);
# STDIN was redirected to /dev/null above, closing STDERR and
# STDOUT will cause the calling `lei' client process to finish
# reading the <$daemon> pipe.
- openlog($path, 'pid', 'user');
local $SIG{__WARN__} = sub {
- $current_lei ? err($current_lei, @_) : syslog('warning', "@_");
+ $current_lei ? err($current_lei, @_) : warn(
+ strftime('%Y-%m-%dT%H:%M:%SZ', gmtime(time))," $$ ", @_);
};
- my $on_destroy = PublicInbox::OnDestroy->new($$, sub {
- syslog('crit', "$@") if $@;
- });
open STDERR, '>&STDIN' or die "redirect stderr failed: $!";
open STDOUT, '>&STDIN' or die "redirect stdout failed: $!";
# $daemon pipe to `lei' closed, main loop begins:
PublicInbox::DS->EventLoop;
- @$on_destroy = (); # cancel on_destroy if we get here
exit($exit_code // 0);
}
local %PATH2CFG;
umask(077) // die("umask(077): $!");
my $self = bless {
+ oneshot => 1,
0 => *STDIN{GLOB},
1 => *STDOUT{GLOB},
2 => *STDERR{GLOB},