use parent qw(PublicInbox::IPC);
use IO::Uncompress::Gunzip qw(gunzip $GunzipError);
use PublicInbox::Spawn qw(popen_rd spawn);
-use PublicInbox::PktOp;
-sub mirror_done { # EOF callback for main daemon
- my ($lei) = @_;
- my $mrr = delete $lei->{mrr};
- $mrr->wq_wait_old($lei) if $mrr;
- # FIXME: check $? before finish
- $lei->add_external_finish($mrr->{dst});
+sub do_finish_mirror { # dwaitpid callback
+ my ($arg, $pid) = @_;
+ my ($mrr, $lei) = @$arg;
+ my $f = "$mrr->{dst}/mirror.done";
+ if ($?) {
+ $lei->child_error($?);
+ } elsif (!unlink($f)) {
+ $lei->err("unlink($f): $!");
+ } else {
+ $lei->add_external_finish($mrr->{dst});
+ $lei->qerr("# mirrored $mrr->{src} => $mrr->{dst}");
+ }
$lei->dclose;
}
+sub _lei_wq_eof { # EOF callback for main daemon
+ my ($lei) = @_;
+ my $mrr = delete $lei->{wq1} or return $lei->fail;
+ $mrr->wq_wait_old(\&do_finish_mirror, $lei);
+}
+
# for old installations without manifest.js.gz
sub try_scrape {
my ($self) = @_;
my $uri = URI->new($self->{src});
my $lei = $self->{lei};
my $curl = $self->{curl} //= PublicInbox::LeiCurl->new($lei) or return;
- my $cmd = $curl->for_uri($lei, $uri);
+ my $cmd = $curl->for_uri($lei, $uri, '--compressed');
my $opt = { 0 => $lei->{0}, 2 => $lei->{2} };
- my $fh = popen_rd($cmd, $lei->{env}, $opt);
+ my $fh = popen_rd($cmd, undef, $opt);
my $html = do { local $/; <$fh> } // die "read(curl $uri): $!";
close($fh) or return $lei->child_error($?, "@$cmd failed");
}
sub clone_cmd {
- my ($lei) = @_;
+ my ($lei, $opt) = @_;
my @cmd = qw(git);
+ $opt->{$_} = $lei->{$_} for (0..2);
# we support "-c $key=$val" for arbitrary git config options
# e.g.: git -c http.proxy=socks5h://127.0.0.1:9050
push(@cmd, '-c', $_) for @{$lei->{opt}->{c} // []};
my $path = $uri->path;
chop($path) eq '/' or die "BUG: $uri not canonicalized";
$uri->path($path . '/_/text/config/raw');
- my $cmd = $self->{curl}->for_uri($lei, $uri);
- push @$cmd, '--compressed'; # curl decompresses for us
+ my $cmd = $self->{curl}->for_uri($lei, $uri, '--compressed');
my $ce = "$dst/inbox.config.example";
my $f = "$ce-$$.tmp";
open(my $fh, '+>', $f) or return $lei->err("open $f: $! (non-fatal)");
my $opt = { 0 => $lei->{0}, 1 => $fh, 2 => $lei->{2} };
- $lei->qerr("# @$cmd");
- my $pid = spawn($cmd, $lei->{env}, $opt);
- waitpid($pid, 0) == $pid or return $lei->err("waitpid @$cmd: $!");
- if (($? >> 8) == 22) { # 404 missing
+ my $cerr = run_reap($lei, $cmd, $opt) // return;
+ if (($cerr >> 8) == 22) { # 404 missing
unlink($f) if -s $fh == 0;
return;
}
- return $lei->err("# @$cmd failed (non-fatal)") if $?;
+ return $lei->err("# @$cmd failed (non-fatal)") if $cerr;
rename($f, $ce) or return $lei->err("link($f, $ce): $! (non-fatal)");
- my $cfg = PublicInbox::Config::git_config_dump($f);
+ my $cfg = PublicInbox::Config->git_config_dump($f);
my $ibx = $self->{ibx} = {};
for my $sec (grep(/\Apublicinbox\./, @{$cfg->{-section_order}})) {
for (qw(address newsgroup nntpmirror)) {
local %ENV = (%ENV, %$env) if $env;
PublicInbox::Admin::progress_prepare($opt, $lei->{2});
PublicInbox::Admin::index_inbox($ibx, undef, $opt);
+ open my $x, '>', "$self->{dst}/mirror.done"; # for do_finish_mirror
+}
+
+sub run_reap {
+ my ($lei, $cmd, $opt) = @_;
+ $lei->qerr("# @$cmd");
+ $opt->{pgid} = 0;
+ my $pid = spawn($cmd, undef, $opt);
+ my $reap = PublicInbox::OnDestroy->new($lei->can('sigint_reap'), $pid);
+ my $err = waitpid($pid, 0) == $pid ? undef : "waitpid @$cmd: $!";
+ @$reap = (); # cancel reap
+ $err ? $lei->err($err) : $?
}
sub clone_v1 {
my $curl = $self->{curl} //= PublicInbox::LeiCurl->new($lei) or return;
my $uri = URI->new($self->{src});
my $pfx = $curl->torsocks($lei, $uri) or return;
- my $cmd = [ @$pfx, clone_cmd($lei), $uri->as_string, $self->{dst} ];
- $lei->qerr("# @$cmd");
- my $pid = spawn($cmd, $lei->{env}, $lei);
- waitpid($pid, 0) == $pid or die "BUG: waitpid @$cmd: $!";
- $? == 0 or return $lei->child_error($?, "@$cmd failed");
+ my $cmd = [ @$pfx, clone_cmd($lei, my $opt = {}),
+ $uri->as_string, $self->{dst} ];
+ my $cerr = run_reap($lei, $cmd, $opt) // return;
+ return $lei->child_error($cerr, "@$cmd failed") if $cerr;
_try_config($self);
index_cloned_inbox($self, 1);
}
my $lk = bless { lock_path => "$dst/inbox.lock" }, 'PublicInbox::Lock';
_try_config($self);
my $on_destroy = $lk->lock_for_scope($$);
- my @cmd = clone_cmd($lei);
+ my @cmd = clone_cmd($lei, my $opt = {});
while (my $pair = shift(@src_edst)) {
my $cmd = [ @$pfx, @cmd, @$pair ];
- $lei->qerr("# @$cmd");
- my $pid = spawn($cmd, $lei->{env}, $lei);
- waitpid($pid, 0) == $pid or die "BUG: waitpid @$cmd: $!";
- $? == 0 or return $lei->child_error($?, "@$cmd failed");
+ my $cerr = run_reap($lei, $cmd, $opt) // return;
+ return $lei->child_error($cerr, "@$cmd failed") if $cerr;
}
undef $on_destroy; # unlock
index_cloned_inbox($self, 2);
}
+# PSGI mount prefixes and manifest.js.gz prefixes don't always align...
+sub deduce_epochs ($$) {
+ my ($m, $path) = @_;
+ my ($v1_bare, @v2_epochs);
+ my $path_pfx = '';
+ do {
+ $v1_bare = $m->{$path};
+ @v2_epochs = grep(m!\A\Q$path\E/git/[0-9]+\.git\z!, keys %$m);
+ } while (!defined($v1_bare) && !@v2_epochs &&
+ $path =~ s!\A(/[^/]+)/!/! and $path_pfx .= $1);
+ ($path_pfx, $v1_bare, @v2_epochs);
+}
+
sub try_manifest {
my ($self) = @_;
my $uri = URI->new($self->{src});
my $cmd = $curl->for_uri($lei, $uri);
$lei->qerr("# @$cmd");
my $opt = { 0 => $lei->{0}, 2 => $lei->{2} };
- my $fh = popen_rd($cmd, $lei->{env}, $opt);
+ my ($fh, $pid) = popen_rd($cmd, undef, $opt);
+ my $reap = PublicInbox::OnDestroy->new($lei->can('sigint_reap'), $pid);
my $gz = do { local $/; <$fh> } // die "read(curl $uri): $!";
- unless (close $fh) {
+ close $fh;
+ my $err = waitpid($pid, 0) == $pid ? undef : "waitpid @$cmd: $!";
+ @$reap = ();
+ return $lei->err($err) if $err;
+ if ($?) {
return try_scrape($self) if ($? >> 8) == 22; # 404 missing
return $lei->child_error($?, "@$cmd failed");
}
die "$uri: error decoding `$js': $@" if $@;
ref($m) eq 'HASH' or die "$uri unknown type: ".ref($m);
- my $v1_bare = $m->{$path};
- my @v2_epochs = grep(m!\A\Q$path\E/git/[0-9]+\.git\z!, keys %$m);
+ my ($path_pfx, $v1_bare, @v2_epochs) = deduce_epochs($m, $path);
if (@v2_epochs) {
# It may be possible to have v1 + v2 in parallel someday:
$lei->err(<<EOM) if defined $v1_bare;
# @v2_epochs
# ignoring $v1_bare (use --inbox-version=1 to force v1 instead)
EOM
- @v2_epochs = map { $uri->path($_); $uri->clone } @v2_epochs;
+ @v2_epochs = map {
+ $uri->path($path_pfx.$_);
+ $uri->clone
+ } @v2_epochs;
clone_v2($self, \@v2_epochs);
- } elsif ($v1_bare) {
+ } elsif (defined $v1_bare) {
clone_v1($self);
- } elsif (my @maybe = grep(m!\Q$path\E!, keys %$m)) {
- die "E: confused by <$uri>, possible matches:\n@maybe";
} else {
- die "E: confused by <$uri>";
+ die "E: confused by <$uri>, possible matches:\n\t",
+ join(', ', sort keys %$m), "\n";
}
}
die "TODO: non-HTTP/HTTPS clone of $self->{src} not supported, yet";
}
-sub do_mirror { # via wq_do
+sub do_mirror { # via wq_io_do
my ($self) = @_;
my $lei = $self->{lei};
eval {
return start_clone_url($self) if $self->{src} =~ m!://!;
die "TODO: cloning local directories not supported, yet";
};
- return $lei->fail($@) if $@;
- $lei->qerr("# mirrored $self->{src} => $self->{dst}");
+ $lei->fail($@) if $@;
}
sub start {
my ($cls, $lei, $src, $dst) = @_;
- my $self = bless { lei => $lei, src => $src, dst => $dst }, $cls;
- $lei->{mrr} = $self;
+ my $self = bless { src => $src, dst => $dst }, $cls;
if ($src =~ m!https?://!) {
require URI;
require PublicInbox::LeiCurl;
require PublicInbox::Inbox;
require PublicInbox::Admin;
require PublicInbox::InboxWritable;
- my $ops = {
- '!' => [ $lei->can('fail_handler'), $lei ],
- 'x_it' => [ $lei->can('x_it'), $lei ],
- 'child_error' => [ $lei->can('child_error'), $lei ],
- '' => [ \&mirror_done, $lei ],
- };
- ($lei->{pkt_op_c}, $lei->{pkt_op_p}) = PublicInbox::PktOp->pair($ops);
- $self->wq_workers_start('lei_mirror', 1, $lei->oldset, {lei => $lei});
- my $op = delete $lei->{pkt_op_c};
- delete $lei->{pkt_op_p};
- $self->wq_do('do_mirror', []);
+ my ($op_c, $ops) = $lei->workers_start($self, 1);
+ $lei->{wq1} = $self;
+ $self->wq_io_do('do_mirror', []);
$self->wq_close(1);
- $lei->event_step_init; # wait for shutdowns
- if ($lei->{oneshot}) {
- while ($op->{sock}) { $op->event_step }
- }
+ $lei->wait_wq_events($op_c, $ops);
}
sub ipc_atfork_child {
my ($self) = @_;
- $self->{lei}->lei_atfork_child;
+ $self->{lei}->_lei_atfork_child;
+ $SIG{TERM} = sub { exit(128 + 15) }; # trigger OnDestroy $reap
$self->SUPER::ipc_atfork_child;
}