From e4be18b4f9b39aa58bebdbe00f0f7c8a65f1f82d Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sun, 20 Oct 2019 07:27:52 +0000
Subject: [PATCH] v2writable: improve "num_for" API and disambiguate
Make it obvious that we're not the Msgmap sub and return an
array because it's less awkward than providing a modifiable ref
to a function to write to.
---
lib/PublicInbox/V2Writable.pm | 44 ++++++++++++++++-------------------
1 file changed, 20 insertions(+), 24 deletions(-)
diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index dcbbbc77..9d507828 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -155,8 +155,7 @@ sub _add {
# leaking FDs to it...
$self->idx_init;
- my $mid0;
- my $num = num_for($self, $mime, \$mid0);
+ my ($num, $mid0) = v2_num_for($self, $mime);
defined $num or return; # duplicate
defined $mid0 or die "BUG: $mid0 undefined\n";
my $im = $self->importer;
@@ -172,16 +171,15 @@ sub _add {
$cmt;
}
-sub num_for {
- my ($self, $mime, $mid0) = @_;
+sub v2_num_for {
+ my ($self, $mime) = @_;
my $mids = mids($mime->header_obj);
if (@$mids) {
my $mid = $mids->[0];
my $num = $self->{mm}->mid_insert($mid);
if (defined $num) { # common case
- $$mid0 = $mid;
- return $num;
- };
+ return ($num, $mid);
+ }
# crap, Message-ID is already known, hope somebody just resent:
foreach my $m (@$mids) {
@@ -190,7 +188,7 @@ sub num_for {
# easy, don't store duplicates
# note: do not add more diagnostic info here since
# it gets noisy on public-inbox-watch restarts
- return if $existing;
+ return () if $existing;
}
# AltId may pre-populate article numbers (e.g. X-Mail-Count
@@ -201,8 +199,7 @@ sub num_for {
my $num = $self->{mm}->num_for($mid);
if (defined $num && !$self->{over}->get_art($num)) {
- $$mid0 = $mid;
- return $num;
+ return ($num, $mid);
}
}
@@ -215,39 +212,38 @@ sub num_for {
$num = $self->{mm}->mid_insert($m);
if (defined $num) {
warn "alternative <$m> for <$mid> found\n";
- $$mid0 = $m;
- return $num;
+ return ($num, $m);
}
}
}
# none of the existing Message-IDs are good, generate a new one:
- num_for_harder($self, $mime, $mid0);
+ v2_num_for_harder($self, $mime);
}
-sub num_for_harder {
- my ($self, $mime, $mid0) = @_;
+sub v2_num_for_harder {
+ my ($self, $mime) = @_;
my $hdr = $mime->header_obj;
my $dig = content_digest($mime);
- $$mid0 = PublicInbox::Import::digest2mid($dig, $hdr);
- my $num = $self->{mm}->mid_insert($$mid0);
+ my $mid0 = PublicInbox::Import::digest2mid($dig, $hdr);
+ my $num = $self->{mm}->mid_insert($mid0);
unless (defined $num) {
# it's hard to spoof the last Received: header
my @recvd = $hdr->header_raw('Received');
$dig->add("Received: $_") foreach (@recvd);
- $$mid0 = PublicInbox::Import::digest2mid($dig, $hdr);
- $num = $self->{mm}->mid_insert($$mid0);
+ $mid0 = PublicInbox::Import::digest2mid($dig, $hdr);
+ $num = $self->{mm}->mid_insert($mid0);
# fall back to a random Message-ID and give up determinism:
until (defined($num)) {
$dig->add(rand);
- $$mid0 = PublicInbox::Import::digest2mid($dig, $hdr);
- warn "using random Message-ID <$$mid0> as fallback\n";
- $num = $self->{mm}->mid_insert($$mid0);
+ $mid0 = PublicInbox::Import::digest2mid($dig, $hdr);
+ warn "using random Message-ID <$mid0> as fallback\n";
+ $num = $self->{mm}->mid_insert($mid0);
}
}
- PublicInbox::Import::append_mid($hdr, $$mid0);
- $num;
+ PublicInbox::Import::append_mid($hdr, $mid0);
+ ($num, $mid0);
}
sub idx_shard {
--
2.50.0