user/dev discussion of public-inbox itself
 help / color / mirror / code / Atom feed
c66d3dc2e9aba0ad42c517e5cc47a8469f6e993d blob 7910 bytes (raw)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
 
# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Local storage (cache/memo) for lei(1), suitable for personal/private
# mail iff on encrypted device/FS.  Based on v2, but only deduplicates
# based on git OID.
#
# for xref3, the following are constant: $eidx_key = '.', $xnum = -1
package PublicInbox::LeiStore;
use strict;
use v5.10.1;
use parent qw(PublicInbox::Lock PublicInbox::IPC);
use PublicInbox::ExtSearchIdx;
use PublicInbox::Import;
use PublicInbox::InboxWritable qw(eml_from_path);
use PublicInbox::V2Writable;
use PublicInbox::ContentHash qw(content_hash);
use PublicInbox::MID qw(mids);
use PublicInbox::LeiSearch;
use PublicInbox::MDA;
use List::Util qw(max);

sub new {
	my (undef, $dir, $opt) = @_;
	my $eidx = PublicInbox::ExtSearchIdx->new($dir, $opt);
	my $self = bless { priv_eidx => $eidx }, __PACKAGE__;
	eidx_init($self)->done if $opt->{creat};
	$self;
}

sub git { $_[0]->{priv_eidx}->git } # read-only

sub packing_factor { $PublicInbox::V2Writable::PACKING_FACTOR }

sub rotate_bytes {
	$_[0]->{rotate_bytes} // ((1024 * 1024 * 1024) / $_[0]->packing_factor)
}

sub git_pfx { "$_[0]->{priv_eidx}->{topdir}/local" };

sub git_epoch_max  {
	my ($self) = @_;
	if (opendir(my $dh, $self->git_pfx)) {
		max(map {
			substr($_, 0, -4) + 0; # drop ".git" suffix
		} grep(/\A[0-9]+\.git\z/, readdir($dh))) // 0;
	} else {
		$!{ENOENT} ? 0 : die("opendir ${\$self->git_pfx}: $!\n");
	}
}

sub git_ident ($) {
	my ($git) = @_;
	chomp(my $i = $git->qx(qw(var GIT_COMMITTER_IDENT)));
	warn "$git->{git_dir} GIT_COMMITTER_IDENT failed\n" if $?;
	$i =~ /\A(.+) <([^>]+)> [0-9]+ [-\+]?[0-9]+$/ ? ($1, $2) :
		('lei user', 'x@example.com')
}

sub importer {
	my ($self) = @_;
	my $max;
	my $im = $self->{im};
	if ($im) {
		return $im if $im->{bytes_added} < $self->rotate_bytes;

		delete $self->{im};
		$im->done;
		undef $im;
		$self->checkpoint;
		$max = $self->git_epoch_max + 1;
	}
	my $pfx = $self->git_pfx;
	$max //= $self->git_epoch_max;
	while (1) {
		my $latest = "$pfx/$max.git";
		my $old = -e $latest;
		PublicInbox::Import::init_bare($latest);
		my $git = PublicInbox::Git->new($latest);
		$git->qx(qw(config core.sharedRepository 0600)) if !$old;
		my $packed_bytes = $git->packed_bytes;
		my $unpacked_bytes = $packed_bytes / $self->packing_factor;
		if ($unpacked_bytes >= $self->rotate_bytes) {
			$max++;
			next;
		}
		my ($n, $e) = git_ident($git);
		$self->{im} = $im = PublicInbox::Import->new($git, $n, $e);
		$im->{bytes_added} = int($packed_bytes / $self->packing_factor);
		$im->{lock_path} = undef;
		$im->{path_type} = 'v2';
		return $im;
	}
}

sub search {
	PublicInbox::LeiSearch->new($_[0]->{priv_eidx}->{topdir});
}

sub eidx_init {
	my ($self) = @_;
	my $eidx = $self->{priv_eidx};
	$eidx->idx_init({-private => 1});
	$eidx;
}

sub _docids_for ($$) {
	my ($self, $eml) = @_;
	my %docids;
	my ($chash, $mids) = PublicInbox::LeiSearch::content_key($eml);
	my $eidx = eidx_init($self);
	my $oidx = $eidx->{oidx};
	my $im = $self->{im};
	for my $mid (@$mids) {
		my ($id, $prev);
		while (my $cur = $oidx->next_by_mid($mid, \$id, \$prev)) {
			next if $cur->{bytes} == 0; # external-only message
			my $oid = $cur->{blob};
			my $docid = $cur->{num};
			my $bref = $im ? $im->cat_blob($oid) : undef;
			$bref //= $eidx->git->cat_file($oid) // do {
				warn "W: $oid (#$docid) <$mid> not found\n";
				next;
			};
			local $self->{current_info} = $oid;
			my $x = PublicInbox::Eml->new($bref);
			$docids{$docid} = $docid if content_hash($x) eq $chash;
		}
	}
	sort { $a <=> $b } values %docids;
}

sub set_eml_vmd {
	my ($self, $eml, $vmd) = @_;
	my $eidx = eidx_init($self);
	my @docids = _docids_for($self, $eml);
	for my $docid (@docids) {
		$eidx->idx_shard($docid)->ipc_do('set_vmd', $docid, $vmd);
	}
	\@docids;
}

sub add_eml_vmd {
	my ($self, $eml, $vmd) = @_;
	my $eidx = eidx_init($self);
	my @docids = _docids_for($self, $eml);
	for my $docid (@docids) {
		$eidx->idx_shard($docid)->ipc_do('add_vmd', $docid, $vmd);
	}
	\@docids;
}

sub remove_eml_vmd {
	my ($self, $eml, $vmd) = @_;
	my $eidx = eidx_init($self);
	my @docids = _docids_for($self, $eml);
	for my $docid (@docids) {
		$eidx->idx_shard($docid)->ipc_do('remove_vmd', $docid, $vmd);
	}
	\@docids;
}

sub add_eml {
	my ($self, $eml, $vmd) = @_;
	my $im = $self->importer; # may create new epoch
	my $eidx = eidx_init($self); # writes ALL.git/objects/info/alternates
	my $oidx = $eidx->{oidx}; # PublicInbox::Import::add checks this
	my $smsg = bless { -oidx => $oidx }, 'PublicInbox::Smsg';
	$im->add($eml, undef, $smsg) or return; # duplicate returns undef

	local $self->{current_info} = $smsg->{blob};
	if (my @docids = _docids_for($self, $eml)) {
		for my $docid (@docids) {
			my $idx = $eidx->idx_shard($docid);
			$oidx->add_xref3($docid, -1, $smsg->{blob}, '.');
			# add_eidx_info for List-Id
			$idx->ipc_do('add_eidx_info', $docid, '.', $eml);
			$idx->ipc_do('add_vmd', $docid, $vmd) if $vmd;
		}
		\@docids;
	} else {
		$smsg->{num} = $oidx->adj_counter('eidx_docid', '+');
		$oidx->add_overview($eml, $smsg);
		$oidx->add_xref3($smsg->{num}, -1, $smsg->{blob}, '.');
		my $idx = $eidx->idx_shard($smsg->{num});
		$idx->index_eml($eml, $smsg);
		$idx->ipc_do('add_vmd', $smsg->{num}, $vmd ) if $vmd;
		$smsg;
	}
}

sub set_eml {
	my ($self, $eml, $vmd) = @_;
	add_eml($self, $eml, $vmd) // set_eml_vmd($self, $eml, $vmd);
}

# set or update keywords for external message, called via ipc_do
sub set_xvmd {
	my ($self, $xoids, $eml, $vmd) = @_;

	my $eidx = eidx_init($self);
	my $oidx = $eidx->{oidx};

	# see if we can just update existing docs
	for my $oid (keys %$xoids) {
		my @docids = $oidx->blob_exists($oid) or next;
		scalar(@docids) > 1 and
			warn "W: $oid indexed as multiple docids: @docids\n";
		for my $docid (@docids) {
			my $idx = $eidx->idx_shard($docid);
			$idx->ipc_do('set_vmd', $docid, $vmd);
		}
		delete $xoids->{$oid}; # all done with this oid
	}
	return unless scalar(keys(%$xoids));

	# see if it was indexed, but with different OID(s)
	if (my @docids = _docids_for($self, $eml)) {
		for my $docid (@docids) {
			for my $oid (keys %$xoids) {
				$oidx->add_xref3($docid, -1, $oid, '.');
			}
			my $idx = $eidx->idx_shard($docid);
			$idx->ipc_do('set_vmd', $docid, $vmd);
		}
		return;
	}
	# totally unseen
	my $smsg = bless { blob => '' }, 'PublicInbox::Smsg';
	$smsg->{num} = $oidx->adj_counter('eidx_docid', '+');
	# save space for an externals-only message
	my $hdr = $eml->header_obj;
	$smsg->populate($hdr); # sets lines == 0
	$smsg->{bytes} = 0;
	delete @$smsg{qw(From Subject)};
	$smsg->{to} = $smsg->{cc} = $smsg->{from} = '';
	$oidx->add_overview($hdr, $smsg); # subject+references for threading
	$smsg->{subject} = '';
	for my $oid (keys %$xoids) {
		$oidx->add_xref3($smsg->{num}, -1, $oid, '.');
	}
	my $idx = $eidx->idx_shard($smsg->{num});
	$idx->index_eml(PublicInbox::Eml->new("\n\n"), $smsg);
	$idx->ipc_do('add_vmd', $smsg->{num}, $vmd);
}

sub checkpoint {
	my ($self, $wait) = @_;
	if (my $im = $self->{im}) {
		$wait ? $im->barrier : $im->checkpoint;
	}
	$self->{priv_eidx}->checkpoint($wait);
}

sub done {
	my ($self) = @_;
	my $err = '';
	if (my $im = delete($self->{im})) {
		eval { $im->done };
		if ($@) {
			$err .= "import done: $@\n";
			warn $err;
		}
	}
	$self->{priv_eidx}->done;
	die $err if $err;
}

sub ipc_atfork_child {
	my ($self) = @_;
	my $lei = $self->{lei};
	$lei->lei_atfork_child(1) if $lei;
	$self->SUPER::ipc_atfork_child;
}

sub write_prepare {
	my ($self, $lei) = @_;
	unless ($self->{-ipc_req}) {
		$self->ipc_lock_init($lei->store_path . '/ipc.lock');
		# Mail we import into lei are private, so headers filtered out
		# by -mda for public mail are not appropriate
		local @PublicInbox::MDA::BAD_HEADERS = ();
		$self->ipc_worker_spawn('lei_store', $lei->oldset,
					{ lei => $lei });
	}
	$lei->{sto} = $self;
}

1;
debug log:

solving c66d3dc2 ...
found c66d3dc2 in public-inbox.git

user/dev discussion of public-inbox itself

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://public-inbox.org/meta
	git clone --mirror http://czquwvybam4bgbro.onion/meta
	git clone --mirror http://hjrcffqmbrq6wope.onion/meta
	git clone --mirror http://ou63pmih66umazou.onion/meta

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V1 meta meta/ https://public-inbox.org/meta \
		meta@public-inbox.org
	public-inbox-index meta

Example config snippet for mirrors.
Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.mail.public-inbox.meta
	nntp://7fh6tueqddpjyxjmgtdiueylzoqt6pt7hec3pukyptlmohoowvhde4yd.onion/inbox.comp.mail.public-inbox.meta
	nntp://ie5yzdi7fg72h7s4sdcztq5evakq23rdt33mfyfcddc5u3ndnw24ogqd.onion/inbox.comp.mail.public-inbox.meta
	nntp://4uok3hntl7oi7b4uf4rtfwefqeexfzil2w6kgk2jn5z2f764irre7byd.onion/inbox.comp.mail.public-inbox.meta
	nntp://news.gmane.io/gmane.mail.public-inbox.general
 note: .onion URLs require Tor: https://www.torproject.org/

code repositories for project(s) associated with this inbox:

	https://80x24.org/public-inbox.git

AGPL code for this site: git clone https://public-inbox.org/public-inbox.git