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* [PATCH 48/52] extsearch: wire up remaining Inbox-like methods for WWW
  2020-10-27  7:54  7% [PATCH 00/52] detached external index: mostly Eric Wong
@ 2020-10-27  7:54  6% ` Eric Wong
  0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2020-10-27  7:54 UTC (permalink / raw)
  To: meta

This lets us pretend an ExtSearch object is an Inbox object
in most of the existing WWW code.
---
 lib/PublicInbox/Config.pm    | 12 +++++++++
 lib/PublicInbox/ExtSearch.pm | 25 ++++++++++++++++++
 lib/PublicInbox/Inbox.pm     | 51 ++++++++++++++++++------------------
 lib/PublicInbox/WWW.pm       |  3 ++-
 4 files changed, 64 insertions(+), 27 deletions(-)

diff --git a/lib/PublicInbox/Config.pm b/lib/PublicInbox/Config.pm
index d57c361a..d425cc9b 100644
--- a/lib/PublicInbox/Config.pm
+++ b/lib/PublicInbox/Config.pm
@@ -89,6 +89,11 @@ sub lookup_name ($$) {
 	$self->{-by_name}->{$name} // _fill($self, "publicinbox.$name");
 }
 
+sub lookup_ei {
+	my ($self, $name) = @_;
+	$self->{-ei_by_name}->{$name} //= _fill_ei($self, "eindex.$name");
+}
+
 sub each_inbox {
 	my ($self, $cb, @arg) = @_;
 	# may auto-vivify if config file is non-existent:
@@ -457,6 +462,13 @@ EOF
 	$ibx
 }
 
+sub _fill_ei ($$) {
+	my ($self, $pfx) = @_;
+	require PublicInbox::ExtSearch;
+	my $d = $self->{"$pfx.topdir"};
+	defined($d) && -d $d ? PublicInbox::ExtSearch->new($d) : undef;
+}
+
 sub urlmatch {
 	my ($self, $key, $url) = @_;
 	state $urlmatch_broken; # requires git 1.8.5
diff --git a/lib/PublicInbox/ExtSearch.pm b/lib/PublicInbox/ExtSearch.pm
index 3e8ca82c..66c99eaa 100644
--- a/lib/PublicInbox/ExtSearch.pm
+++ b/lib/PublicInbox/ExtSearch.pm
@@ -3,6 +3,7 @@
 
 # Read-only external (detached) index for cross inbox search.
 # This is a read-only counterpart to PublicInbox::ExtSearchIdx
+# and behaves like PublicInbox::Inbox AND PublicInbox::Search
 package PublicInbox::ExtSearch;
 use strict;
 use v5.10.1;
@@ -21,6 +22,8 @@ sub new {
 	}, __PACKAGE__;
 }
 
+sub search { $_[0] } # self
+
 # overrides PublicInbox::Search::_xdb
 sub _xdb {
 	my ($self) = @_;
@@ -38,7 +41,29 @@ sub git {
 	$self->{git} //= PublicInbox::Git->new("$self->{topdir}/ALL.git");
 }
 
+sub mm { undef }
+
+sub altid_map { {} }
+
+sub description {
+	my ($self) = @_;
+	($self->{description} //=
+		PublicInbox::Inbox::cat_desc("$self->{topdir}/description")) //
+		'$EINDEX_DIR/description missing';
+}
+
+sub cloneurl { [] } # TODO
+
+sub base_url { 'https://example.com/TODO/' }
+sub nntp_url { [] }
+
 no warnings 'once';
 *smsg_eml = \&PublicInbox::Inbox::smsg_eml;
+*smsg_by_mid = \&PublicInbox::Inbox::smsg_by_mid;
+*msg_by_mid = \&PublicInbox::Inbox::msg_by_mid;
+*modified = \&PublicInbox::Inbox::modified;
+*recent = \&PublicInbox::Inbox::recent;
+
+*max_git_epoch = *nntp_usable = *msg_by_path = \&mm; # undef
 
 1;
diff --git a/lib/PublicInbox/Inbox.pm b/lib/PublicInbox/Inbox.pm
index cd5c098a..1d18cdf1 100644
--- a/lib/PublicInbox/Inbox.pm
+++ b/lib/PublicInbox/Inbox.pm
@@ -225,16 +225,19 @@ sub try_cat {
 	$rv;
 }
 
+sub cat_desc ($) {
+	my $desc = try_cat($_[0]);
+	local $/ = "\n";
+	chomp $desc;
+	utf8::decode($desc);
+	$desc =~ s/\s+/ /smg;
+	$desc eq '' ? undef : $desc;
+}
+
 sub description {
 	my ($self) = @_;
-	($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)';
+	($self->{description} //= cat_desc("$self->{inboxdir}/description")) //
+		'($INBOX_DIR/description missing)';
 }
 
 sub cloneurl {
@@ -342,39 +345,35 @@ sub smsg_eml {
 	$eml;
 }
 
-sub mid2num($$) {
-	my ($self, $mid) = @_;
-	my $mm = mm($self) or return;
-	$mm->num_for($mid);
-}
-
 sub smsg_by_mid ($$) {
 	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);
+	my $over = $self->over or return;
+	my $smsg;
+	if (my $mm = $self->mm) {
+		# favor the Message-ID we used for the NNTP article number:
+		defined(my $num = $mm->num_for($mid)) or return;
+		$smsg = $over->get_art($num);
+	} else {
+		my ($id, $prev);
+		$smsg = $over->next_by_mid($mid, \$id, \$prev);
+	}
+	$smsg ? PublicInbox::Smsg::psgi_cull($smsg) : undef;
 }
 
 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;
+	$smsg ? msg_by_smsg($self, $smsg) : msg_by_path($self, mid2path($mid));
 }
 
 sub recent {
 	my ($self, $opts, $after, $before) = @_;
-	over($self)->recent($opts, $after, $before);
+	$self->over->recent($opts, $after, $before);
 }
 
 sub modified {
 	my ($self) = @_;
-	if (my $over = over($self)) {
+	if (my $over = $self->over) {
 		my $msgs = $over->recent({limit => 1});
 		if (my $smsg = $msgs->[0]) {
 			return $smsg->{ts};
diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index e3b589cb..cdbcff1e 100644
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -210,7 +210,8 @@ sub news_cgit_fallback ($) {
 # returns undef if valid, array ref response if invalid
 sub invalid_inbox ($$) {
 	my ($ctx, $inbox) = @_;
-	my $ibx = $ctx->{www}->{pi_config}->lookup_name($inbox);
+	my $ibx = $ctx->{www}->{pi_config}->lookup_name($inbox) //
+			$ctx->{www}->{pi_config}->lookup_ei($inbox);
 	if (defined $ibx) {
 		$ctx->{-inbox} = $ibx;
 		return;

^ permalink raw reply related	[relevance 6%]

* [PATCH 00/52] detached external index: mostly
@ 2020-10-27  7:54  7% Eric Wong
  2020-10-27  7:54  6% ` [PATCH 48/52] extsearch: wire up remaining Inbox-like methods for WWW Eric Wong
  0 siblings, 1 reply; 2+ results
From: Eric Wong @ 2020-10-27  7:54 UTC (permalink / raw)
  To: meta

...and mostly wired up for WWW, but requires manual config
editing atm.  Needs docs and tests, and IMAP support.

This will also form the basis of a mairix workalike client.

Not sure about the usability aspects, but I think this can
replace the need for per-inbox Xapian DBs and save a truckload
of disk space (and more importantly: cache space).  Per-inbox
over.sqlite3 remains required for compatibility with NNTP/IMAP
and existing WWW code.

I don't know if the command-line tool is going to be called
public-inbox-eindex or public-inbox-extindex, but probably the
latter...

"xindex" could be confusing, and "eindex" rhymes with "reindex"
which could also be confusing.  But I'm even more easily
confused than usual these days :x

Performance isn't great, it took 30+ hours to index my mirror of
lore on a SATA SSD, but the entire index is <200GB due to
deduplication between cross posts.  -compact isn't working with
these indices, yet, but will sometime...

More changes on the way, still trying fix my brain and get
through this year...

Eric Wong (52):
  doc/standards: add RFCs for URL schemes
  search: hoist out _xdb_sharded for v2 inboxes
  extsearch: start mocking out
  searchidx: expose INDEXLEVELS as `our'
  v2writable: add git method
  v2writable: make OO calls to last_commit-related methods
  search: xdb_sharded: make this a public method for ExtSearch
  searchidx: introduce "xref3" concept
  v2writable: prepare initialization for external indices
  v2writable: hoist out write_alternates
  searchidxshard: allow msgref to be undef
  v2writable: idx_shard: simplify callers
  v2writable: count_shards: allow working without {ibx}
  overidx: introduce changes for external index
  v2: some changes for ExtSearchIdx compatibility
  inboxwritable: eidx_key for external index
  v2writable: rename remaining "remote" terminology
  v2writable: checkpoint: account for lack of {mm}
  extsearchidx: initial implementation
  searchidx: index eidx_key as a boolean term
  searchidx: xref3 delete support
  searchidxshard: special init for eidx
  searchidx: put {ibx} into $sync state
  searchidx: log2stack: simplify callers
  v2writable: more generic sync setup code
  v2writable: allow OO method references
  v2writable: rename {v2w} field to {self}
  v2writable: make *last_commits and sync_prepare OO methods
  v2writable: move size check init to sync_prepare
  extsearchidx: more compatibility with V2Writable callers
  v2writable: reduce scope of epoch-aware code
  extsearchidx: remove {unindex_range} field
  v2writable: pass oid to uindex_oid
  extsearchidx: sync unit updates
  searchidx: export prepare_stack
  extsearchidx: sync updates
  searchidx: reduce inbox-dependency, wrap ->with_umask
  searchidx: favor $sync->{ibx} (over $self->{ibx})
  Makefile.PL: do not build manpage if POD is missing
  script: add preliminary eindex implementation
  index: eindex wiring
  over: store xref3 data in over.sqlite3
  searchidx: remove xref3 support for Xapian
  t/extsearch.t: verify results and xref3 ordering
  t/v2writable: remove pointless ->barrier call
  extsearch: wire up smsg_eml
  extsearchidx: handle edits
  extsearch: wire up remaining Inbox-like methods for WWW
  searchidx: ignore exceptions from ->remove_term
  extsearchidx: set current_info in warning callbacks
  extsearchidx: support --batch-size checkpoints
  searchidxshard: make warnings with eidx_key less confusing

 Documentation/standards.perl      |   3 +
 MANIFEST                          |   4 +
 Makefile.PL                       |  16 +-
 lib/PublicInbox/Config.pm         |  12 +
 lib/PublicInbox/ExtSearch.pm      |  69 +++++
 lib/PublicInbox/ExtSearchIdx.pm   | 404 ++++++++++++++++++++++++++++++
 lib/PublicInbox/Inbox.pm          |  53 ++--
 lib/PublicInbox/InboxWritable.pm  |  23 ++
 lib/PublicInbox/Over.pm           |  19 ++
 lib/PublicInbox/OverIdx.pm        | 122 ++++++++-
 lib/PublicInbox/Search.pm         |  62 ++---
 lib/PublicInbox/SearchIdx.pm      | 135 +++++++---
 lib/PublicInbox/SearchIdxShard.pm |  77 +++++-
 lib/PublicInbox/V2Writable.pm     | 310 ++++++++++++-----------
 lib/PublicInbox/WWW.pm            |   3 +-
 lib/PublicInbox/Xapcmd.pm         |   2 +-
 script/public-inbox-eindex        |  43 ++++
 script/public-inbox-index         |   3 +-
 t/extsearch.t                     |  75 ++++++
 t/over.t                          |  24 ++
 t/search.t                        |   2 -
 t/v2writable.t                    |   3 +-
 22 files changed, 1204 insertions(+), 260 deletions(-)
 create mode 100644 lib/PublicInbox/ExtSearch.pm
 create mode 100644 lib/PublicInbox/ExtSearchIdx.pm
 create mode 100644 script/public-inbox-eindex
 create mode 100644 t/extsearch.t

^ permalink raw reply	[relevance 7%]

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2020-10-27  7:54  7% [PATCH 00/52] detached external index: mostly Eric Wong
2020-10-27  7:54  6% ` [PATCH 48/52] extsearch: wire up remaining Inbox-like methods for WWW Eric Wong

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