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* [PATCH 0/3] lei: v2 and lcat/import/IMAP things
@ 2021-05-29 20:20 Eric Wong
  2021-05-29 20:20 ` [PATCH 1/3] TODO: add pipelining note Eric Wong
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Eric Wong @ 2021-05-29 20:20 UTC (permalink / raw)
  To: meta

Been using lei more and more for IMAP things.

Eric Wong (3):
  TODO: add pipelining note
  lei import|lcat: improve+fix single message IMAP support
  lei q: --sort and --save|v2 are incompatible

 TODO                           |  2 ++
 lib/PublicInbox/LeiLcat.pm     | 25 ++++++++------
 lib/PublicInbox/LeiMailSync.pm | 23 ++++++++-----
 lib/PublicInbox/LeiQuery.pm    |  5 ++-
 lib/PublicInbox/LeiToMail.pm   | 18 +++-------
 lib/PublicInbox/LeiXSearch.pm  | 60 +++++++++++++++++++++++++++++++---
 lib/PublicInbox/NetReader.pm   |  6 ++--
 t/lei-import-imap.t            | 13 +++++++-
 8 files changed, 112 insertions(+), 40 deletions(-)

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 1/3] TODO: add pipelining note
  2021-05-29 20:20 [PATCH 0/3] lei: v2 and lcat/import/IMAP things Eric Wong
@ 2021-05-29 20:20 ` Eric Wong
  2021-05-29 20:20 ` [PATCH 2/3] lei import|lcat: improve+fix single message IMAP support Eric Wong
  2021-05-29 20:20 ` [PATCH 3/3] lei q: --sort and --save|v2 are incompatible Eric Wong
  2 siblings, 0 replies; 4+ messages in thread
From: Eric Wong @ 2021-05-29 20:20 UTC (permalink / raw)
  To: meta

Network latency is painful to deal with.
---
 TODO | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/TODO b/TODO
index c1920313..a3ab2daf 100644
--- a/TODO
+++ b/TODO
@@ -164,3 +164,5 @@ all need to be considered for everything we introduce)
 * support UUCP addresses for legacy archives
 
 * decode (skip indexing of) base-85 binary patches to avoid false-positives
+
+* support pipelining as an IMAP/NNTP client for -watch + lei

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 2/3] lei import|lcat: improve+fix single message IMAP support
  2021-05-29 20:20 [PATCH 0/3] lei: v2 and lcat/import/IMAP things Eric Wong
  2021-05-29 20:20 ` [PATCH 1/3] TODO: add pipelining note Eric Wong
@ 2021-05-29 20:20 ` Eric Wong
  2021-05-29 20:20 ` [PATCH 3/3] lei q: --sort and --save|v2 are incompatible Eric Wong
  2 siblings, 0 replies; 4+ messages in thread
From: Eric Wong @ 2021-05-29 20:20 UTC (permalink / raw)
  To: meta

lcat can now dump the memoized contents of entire IMAP folders,
not just a single UID.  It's now parallelized and pipelined for
multiple lei2mail workers.

Furthemore, various forms of JSON output work consistently
with blob-only output, now.

While working on this, I noticed NetReader was passing UID URLs
to imap_each callbacks, which was causing mail_sync.sqlite3 to
store UIDs in `folders' and clearly wrong so it's now fixed.
---
 lib/PublicInbox/LeiLcat.pm     | 25 ++++++++------
 lib/PublicInbox/LeiMailSync.pm | 23 ++++++++-----
 lib/PublicInbox/LeiToMail.pm   |  6 ----
 lib/PublicInbox/LeiXSearch.pm  | 60 +++++++++++++++++++++++++++++++---
 lib/PublicInbox/NetReader.pm   |  6 ++--
 t/lei-import-imap.t            | 13 +++++++-
 6 files changed, 101 insertions(+), 32 deletions(-)

diff --git a/lib/PublicInbox/LeiLcat.pm b/lib/PublicInbox/LeiLcat.pm
index f9d9633a..effc3682 100644
--- a/lib/PublicInbox/LeiLcat.pm
+++ b/lib/PublicInbox/LeiLcat.pm
@@ -11,14 +11,21 @@ use PublicInbox::LeiViewText;
 use URI::Escape qw(uri_unescape);
 use PublicInbox::MID qw($MID_EXTRACT);
 
-sub lcat_imap_uid_uri ($$) {
-	my ($lei, $uid_uri) = @_;
+sub lcat_imap_uri ($$) {
+	my ($lei, $uri) = @_;
 	my $lms = $lei->{lse}->lms or return;
-	my $oidhex = $lms->imap_oid($lei, $uid_uri);
-	if (ref(my $err = $oidhex)) { # art2folder error
-		$lei->qerr(@{$err->{qerr}}) if $err->{qerr};
+	# cf. LeiToMail->wq_atexit_child
+	if (defined $uri->uid) {
+		my $oidhex = $lms->imap_oid($lei, $uri);
+		if (ref(my $err = $oidhex)) { # art2folder error
+			$lei->qerr(@{$err->{qerr}}) if $err->{qerr};
+		}
+		push @{$lei->{lcat_blob}}, $oidhex;
+	} elsif (defined(my $fid = $lms->fid_for($$uri))) {
+		push @{$lei->{lcat_fid}}, $fid;
+	} else {
+		$lei->child_error(1 << 8, "# unknown folder: $uri");
 	}
-	push @{$lei->{lcat_blob}}, $oidhex; # cf. LeiToMail->wq_atexit_child
 }
 
 sub extract_1 ($$) {
@@ -26,10 +33,8 @@ sub extract_1 ($$) {
 	if ($x =~ m!\b(imaps?://[^>]+)!i) {
 		my $u = $1;
 		require PublicInbox::URIimap;
-		$u = PublicInbox::URIimap->new($u);
-		defined($u->uid) ? lcat_imap_uid_uri($lei, $u) :
-				$lei->child_error(1 << 8, "# no UID= in $u");
-		'""'; # blank query, using {lcat_blob}
+		lcat_imap_uri($lei, PublicInbox::URIimap->new($u));
+		'""'; # blank query, using {lcat_blob} or {lcat
 	} elsif ($x =~ m!\b([a-z]+?://\S+)!i) {
 		my $u = $1;
 		$u =~ s/[\>\]\)\,\.\;]+\z//;
diff --git a/lib/PublicInbox/LeiMailSync.pm b/lib/PublicInbox/LeiMailSync.pm
index 5c0988b5..c7f78239 100644
--- a/lib/PublicInbox/LeiMailSync.pm
+++ b/lib/PublicInbox/LeiMailSync.pm
@@ -64,9 +64,9 @@ CREATE TABLE IF NOT EXISTS blob2name (
 
 }
 
-sub _fid_for {
+sub fid_for {
 	my ($self, $folder, $rw) = @_;
-	my $dbh = $self->{dbh};
+	my $dbh = $self->{dbh} //= dbh_new($self, $rw);
 	my $sel = 'SELECT fid FROM folders WHERE loc = ? LIMIT 1';
 	my ($fid) = $dbh->selectrow_array($sel, undef, $folder);
 	return $fid if defined $fid;
@@ -111,7 +111,7 @@ EOM
 
 sub set_src {
 	my ($self, $oidhex, $folder, $id) = @_;
-	my $fid = $self->{fmap}->{$folder} //= _fid_for($self, $folder, 1);
+	my $fid = $self->{fmap}->{$folder} //= fid_for($self, $folder, 1);
 	my $sth;
 	if (ref($id)) { # scalar name
 		$id = $$id;
@@ -128,7 +128,7 @@ INSERT OR IGNORE INTO blob2num (oidbin, fid, uid) VALUES (?, ?, ?)
 
 sub clear_src {
 	my ($self, $folder, $id) = @_;
-	my $fid = $self->{fmap}->{$folder} //= _fid_for($self, $folder, 1);
+	my $fid = $self->{fmap}->{$folder} //= fid_for($self, $folder, 1);
 	my $sth;
 	if (ref($id)) { # scalar name
 		$id = $$id;
@@ -146,7 +146,7 @@ DELETE FROM blob2num WHERE fid = ? AND uid = ?
 # Maildir-only
 sub mv_src {
 	my ($self, $folder, $oidbin, $id, $newbn) = @_;
-	my $fid = $self->{fmap}->{$folder} //= _fid_for($self, $folder, 1);
+	my $fid = $self->{fmap}->{$folder} //= fid_for($self, $folder, 1);
 	my $sth = $self->{dbh}->prepare_cached(<<'');
 UPDATE blob2name SET name = ? WHERE fid = ? AND oidbin = ? AND name = ?
 
@@ -158,7 +158,12 @@ sub each_src {
 	my ($self, $folder, $cb, @args) = @_;
 	my $dbh = $self->{dbh} //= dbh_new($self);
 	my ($fid, $sth);
-	$fid = $self->{fmap}->{$folder} //= _fid_for($self, $folder) // return;
+	if (ref($folder) eq 'HASH') {
+		$fid = $folder->{fid} // die "BUG: no `fid'";
+	} else {
+		$fid = $self->{fmap}->{$folder} //=
+			fid_for($self, $folder) // return;
+	}
 	$sth = $dbh->prepare('SELECT oidbin,uid FROM blob2num WHERE fid = ?');
 	$sth->execute($fid);
 	while (my ($oidbin, $id) = $sth->fetchrow_array) {
@@ -176,7 +181,7 @@ sub location_stats {
 	my $dbh = $self->{dbh} //= dbh_new($self);
 	my $fid;
 	my $ret = {};
-	$fid = $self->{fmap}->{$folder} //= _fid_for($self, $folder) // return;
+	$fid = $self->{fmap}->{$folder} //= fid_for($self, $folder) // return;
 	my ($row) = $dbh->selectrow_array(<<"", undef, $fid);
 SELECT COUNT(name) FROM blob2name WHERE fid = ?
 
@@ -349,7 +354,7 @@ sub forget_folder {
 	my ($self, $folder) = @_;
 	my ($fid, $sth);
 	$fid = delete($self->{fmap}->{$folder}) //
-		_fid_for($self, $folder) // return;
+		fid_for($self, $folder) // return;
 	my $dbh = $self->{dbh};
 	$dbh->do('DELETE FROM blob2name WHERE fid = ?', undef, $fid);
 	$dbh->do('DELETE FROM blob2num WHERE fid = ?', undef, $fid);
@@ -369,7 +374,7 @@ sub imap_oid {
 		$lei->qerr(@{$err->{qerr}}) if $err->{qerr};
 	}
 	my $fid = $self->{fmap}->{$folders->[0]} //=
-		_fid_for($self, $folders->[0]) // return;
+		fid_for($self, $folders->[0]) // return;
 	my $sth = $self->{dbh}->prepare_cached(<<EOM, undef, 1);
 SELECT oidbin FROM blob2num WHERE fid = ? AND uid = ?
 EOM
diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 078f2551..997ce599 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -756,12 +756,6 @@ sub write_mail { # via ->wq_io_do
 sub wq_atexit_child {
 	my ($self) = @_;
 	my $lei = $self->{lei};
-	if (!$self->{-wq_worker_nr} && $lei->{lcat_blob}) {
-		for my $oid (@{$lei->{lcat_blob}}) {
-			my $smsg = { blob => $oid, pct => 100 };
-			write_mail($self, $smsg);
-		}
-	}
 	delete $self->{wcb};
 	$lei->{ale}->git->async_wait_all;
 	my $nr = delete($lei->{-nr_write}) or return;
diff --git a/lib/PublicInbox/LeiXSearch.pm b/lib/PublicInbox/LeiXSearch.pm
index d6d42a01..f7c1e559 100644
--- a/lib/PublicInbox/LeiXSearch.pm
+++ b/lib/PublicInbox/LeiXSearch.pm
@@ -256,6 +256,14 @@ sub query_combined_mset { # non-parallel for non-"--threads" users
 	$lei->{ovv}->ovv_atexit_child($lei);
 }
 
+sub _smsg_fill ($$) {
+	my ($smsg, $eml) = @_;
+	$smsg->populate($eml);
+	$smsg->parse_references($eml, mids($eml));
+	$smsg->{$_} //= '' for qw(from to cc ds subject references mid);
+	delete @$smsg{qw(From Subject -ds -ts)};
+}
+
 sub each_remote_eml { # callback for MboxReader->mboxrd
 	my ($eml, $self, $lei, $each_smsg) = @_;
 	my $xoids = $lei->{ale}->xoids_for($eml, 1);
@@ -265,10 +273,7 @@ sub each_remote_eml { # callback for MboxReader->mboxrd
 	my $smsg = bless {}, 'PublicInbox::Smsg';
 	$smsg->{blob} = $xoids ? (keys(%$xoids))[0]
 				: git_sha(1, $eml)->hexdigest;
-	$smsg->populate($eml);
-	$smsg->parse_references($eml, mids($eml));
-	$smsg->{$_} //= '' for qw(from to cc ds subject references mid);
-	delete @$smsg{qw(From Subject -ds -ts)};
+	_smsg_fill($smsg, $eml);
 	wait_startq($lei);
 	if ($lei->{-progress}) {
 		++$lei->{-nr_remote_eml};
@@ -453,6 +458,9 @@ sub start_query ($;$) { # always runs in main (lei-daemon) process
 	for my $uris (@$q) {
 		$self->wq_io_do('query_remote_mboxrd', [], $uris);
 	}
+	if ($self->{-do_lcat}) {
+		$self->wq_io_do('lcat_dump', []);
+	}
 	$self->wq_close(1); # lei_xsearch workers stop when done
 }
 
@@ -518,6 +526,7 @@ sub do_query {
 	@$end = ();
 	$self->{opt_threads} = $lei->{opt}->{threads};
 	$self->{opt_sort} = $lei->{opt}->{'sort'};
+	$self->{-do_lcat} = $lei->{lcat_blob} // $lei->{lcat_fid};
 	if ($l2m) {
 		$l2m->net_merge_all_done unless $lei->{auth};
 	} else {
@@ -561,5 +570,48 @@ sub prepare_external {
 	push @{$self->{locals}}, $loc;
 }
 
+sub _lcat_i { # LeiMailSync->each_src iterator callback
+	my ($oidbin, $id, $each_smsg) = @_;
+	$each_smsg->({blob => unpack('H*', $oidbin), pct => 100});
+}
+
+sub _lcat2smsg { # git->cat_async callback
+	my ($bref, $oid, $type, $size, $smsg) = @_;
+	if ($bref) {
+		my $eml = PublicInbox::Eml->new($bref);
+		my $json_dump = delete $smsg->{-json_dump};
+		bless $smsg, 'PublicInbox::Smsg';
+		_smsg_fill($smsg, $eml);
+		$json_dump->($smsg, undef, $eml);
+	}
+}
+
+sub lcat_dump {
+	my ($self) = @_;
+	my $lei = $self->{lei};
+	my $each_smsg = $lei->{ovv}->ovv_each_smsg_cb($lei);
+	my $git = $lei->{ale}->git;
+	if (!$lei->{l2m}) {
+		my $json_dump = $each_smsg;
+		$each_smsg = sub {
+			my ($smsg) = @_;
+			use Data::Dumper;
+			$smsg->{-json_dump} = $json_dump;
+			$git->cat_async($smsg->{blob}, \&_lcat2smsg, $smsg);
+		};
+	}
+	for my $oid (@{$lei->{lcat_blob} // []}) {
+		$each_smsg->({ blob => $oid, pct => 100 });
+	}
+	if (my $fids = delete $lei->{lcat_fid}) {
+		my $lms = $lei->{lse}->lms;
+		for my $fid (@$fids) {
+			$lms->each_src({fid => $fid}, \&_lcat_i, $each_smsg);
+		}
+	}
+	$git->async_wait_all;
+	undef $each_smsg; # may commit
+	$lei->{ovv}->ovv_atexit_child($lei);
+}
 
 1;
diff --git a/lib/PublicInbox/NetReader.pm b/lib/PublicInbox/NetReader.pm
index 76d2fe62..54c6b082 100644
--- a/lib/PublicInbox/NetReader.pm
+++ b/lib/PublicInbox/NetReader.pm
@@ -471,8 +471,10 @@ EOF
 	my $uri = $orig_uri->clone;
 	my $single_uid = $uri->uid;
 	my ($itrk, $l_uid, $l_uidval) = itrk_last($self, $uri, $r_uidval, $mic);
-	$itrk = $l_uid = undef if defined($single_uid);
-
+	if (defined($single_uid)) {
+		$itrk = $l_uid = undef;
+		$uri->uid(undef); # for eml_cb
+	}
 	return <<EOF if $l_uidval != $r_uidval;
 E: $uri UIDVALIDITY mismatch
 E: local=$l_uidval != remote=$r_uidval
diff --git a/t/lei-import-imap.t b/t/lei-import-imap.t
index 59d481d5..895b19ff 100644
--- a/t/lei-import-imap.t
+++ b/t/lei-import-imap.t
@@ -48,6 +48,13 @@ test_lei({ tmpdir => $tmpdir }, sub {
 	ok($stats->{'uid.min'} < $stats->{'uid.max'}, 'min < max');
 	ok($stats->{'uid.count'} > 0, 'count > 0');
 
+	lei_ok('lcat', $url);
+	is(scalar(grep(/^# blob:/, split(/\n/ms, $lei_out))),
+		$stats->{'uid.count'}, 'lcat on URL dumps folder');
+	lei_ok qw(lcat -f json), $url;
+	$out = json_utf8->decode($lei_out);
+	is(scalar(@$out) - 1, $stats->{'uid.count'}, 'lcat JSON dumps folder');
+
 	lei_ok(qw(q z:1..));
 	$out = json_utf8->decode($lei_out);
 	ok(scalar(@$out) > 1, 'got imported messages');
@@ -77,6 +84,8 @@ test_lei({ tmpdir => $tmpdir }, sub {
 	unlike($lei_out, qr!\Q$host_port\E!, 'sync info gone after forget');
 	my $uid_url = "$url/;UID=".$stats->{'uid.max'};
 	lei_ok 'import', $uid_url;
+	lei_ok 'ls-mail-sync';
+	is($lei_out, "$url\n", 'ls-mail-sync added URL w/o UID');
 	lei_ok 'inspect', $uid_url;
 	$lei_out =~ /([a-f0-9]{40,})/ or
 		xbail 'inspect missed blob with UID URL';
@@ -88,7 +97,9 @@ test_lei({ tmpdir => $tmpdir }, sub {
 	my $orig = $lei_out;
 	lei_ok 'lcat', "blob:$blob";
 	is($lei_out, $orig, 'lcat understands blob:...');
-	ok(!lei('lcat', $url), "lcat doesn't work on IMAP URL w/o UID");
+	lei_ok qw(lcat -f json), $uid_url;
+	$out = json_utf8->decode($lei_out);
+	is(scalar(@$out), 2, 'got JSON') or diag explain($out);
 });
 
 done_testing;

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH 3/3] lei q: --sort and --save|v2 are incompatible
  2021-05-29 20:20 [PATCH 0/3] lei: v2 and lcat/import/IMAP things Eric Wong
  2021-05-29 20:20 ` [PATCH 1/3] TODO: add pipelining note Eric Wong
  2021-05-29 20:20 ` [PATCH 2/3] lei import|lcat: improve+fix single message IMAP support Eric Wong
@ 2021-05-29 20:20 ` Eric Wong
  2 siblings, 0 replies; 4+ messages in thread
From: Eric Wong @ 2021-05-29 20:20 UTC (permalink / raw)
  To: meta

Saved searches rely on (reverse) docid ordering for efficient
incremental results, and sorting any other way prevents that.

Update comment description in LeiQuery while we're at it:
"ls-query" and "rm-query" are "ls-search" and "forget-search",
respectively, and "mv-query" is implicit with "edit-search"
---
 lib/PublicInbox/LeiQuery.pm  |  5 ++++-
 lib/PublicInbox/LeiToMail.pm | 12 +++++-------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 0435a516..eb7b98d4 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -1,7 +1,8 @@
 # Copyright (C) 2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
-# handles lei <q|ls-query|rm-query|mv-query> commands
+# handles "lei q" command and provides internals for
+# several other sub-commands (up, lcat, ...)
 package PublicInbox::LeiQuery;
 use strict;
 use v5.10.1;
@@ -130,6 +131,8 @@ sub lei_q {
 		} else {
 			die "unrecognized --sort=$sort\n";
 		}
+		$opt->{save} and return
+			$self->fail('--save and --sort are incompatible');
 	}
 	$self->{mset_opt} = \%mset_opt;
 
diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 997ce599..5b5caee7 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -384,6 +384,7 @@ sub new {
 	my $fmt = $lei->{ovv}->{fmt};
 	my $dst = $lei->{ovv}->{dst};
 	my $self = bless {}, $cls;
+	my @conflict;
 	if ($fmt eq 'maildir') {
 		require PublicInbox::MdirReader;
 		$self->{base_type} = 'maildir';
@@ -412,13 +413,14 @@ sub new {
 		require PublicInbox::LeiViewText;
 		$lei->{lvt} = PublicInbox::LeiViewText->new($lei);
 		$self->{base_type} = 'text';
+		@conflict = qw(mua save);
 	} elsif ($fmt eq 'v2') {
 		die "--dedupe=oid and v2 are incompatible\n" if
 			($lei->{opt}->{dedupe}//'') eq 'oid';
 		$self->{base_type} = 'v2';
 		$lei->{opt}->{save} = \1;
-		die "--mua incompatible with v2\n" if $lei->{opt}->{mua};
 		$dst = $lei->{ovv}->{dst} = $lei->abs_path($dst);
+		@conflict = qw(mua sort);
 	} else {
 		die "bad mail --format=$fmt\n";
 	}
@@ -426,12 +428,8 @@ sub new {
 		(-d $dst || (-e _ && !-w _)) and die
 			"$dst exists and is not a writable file\n";
 	}
-	if ($self->{base_type} eq 'text') {
-		my @err = map {
-			defined($lei->{opt}->{$_}) ? "--$_" : ();
-		} (qw(mua save));
-		die "@err incompatible with $fmt\n" if @err;
-	}
+	my @err = map { defined($lei->{opt}->{$_}) ? "--$_" : () } @conflict;
+	die "@err incompatible with $fmt\n" if @err;
 	$self->{dst} = $dst;
 	$lei->{dedupe} = $lei->{lss} // do {
 		my $dd_cls = 'PublicInbox::'.

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-05-29 20:20 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-29 20:20 [PATCH 0/3] lei: v2 and lcat/import/IMAP things Eric Wong
2021-05-29 20:20 ` [PATCH 1/3] TODO: add pipelining note Eric Wong
2021-05-29 20:20 ` [PATCH 2/3] lei import|lcat: improve+fix single message IMAP support Eric Wong
2021-05-29 20:20 ` [PATCH 3/3] lei q: --sort and --save|v2 are incompatible Eric Wong

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	nntp://news.gmane.io/gmane.mail.public-inbox.general


AGPL code for this site: git clone http://ou63pmih66umazou.onion/public-inbox.git