mirror of https://github.com/perkeep/perkeep.git
108 lines
3.3 KiB
Perl
Executable File
108 lines
3.3 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# This is a basic indexing system for prototyping and demonstration
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# purposes only.
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#
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# It's not production quality by any stretch of the imagination: it
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# uses sqlite, is single-threaded, single-process, etc.
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#
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use strict;
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use DBI;
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use DBD::SQLite;
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use Getopt::Long;
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use LWP::UserAgent;
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use LWP::ConnCache;
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use JSON::Any;
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use Net::Netrc;
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my $blobserver;
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my $dbname;
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GetOptions(
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"server=s" => \$blobserver,
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"dbfile=s" => \$dbname,
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) or usage();
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usage() unless $blobserver && $blobserver =~ m!^(?:(https?)://)?([^/]+)!;
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my $scheme = $1 || "http";
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my $hostport = $2;
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sub usage {
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die
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"Usage: index.pl --server=[http|https://]hostname[:port]\n" .
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" --dbfile=<filename> (defaults to hostname_port.camlidx.db)\n";
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}
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my $netrc_mach = Net::Netrc->lookup($hostport)
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or die "No ~/.netrc file or section for host '$hostport'.\n";
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unless ($dbname) {
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$dbname = "$hostport.camlidx.db";
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$dbname =~ s/:/_/;
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}
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my $needs_init = ! -f $dbname || -s $dbname == 0;
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my $db = DBI->connect("dbi:SQLite:dbname=$dbname", "", "", { RaiseError => 1 })
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or die "Failed to open sqlite file $dbname";
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if ($needs_init) {
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$db->do("CREATE TABLE blobs (" .
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" blobref VARCHAR(80) NOT NULL PRIMARY KEY, " .
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" size INT NULL, " .
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" mimetype VARCHAR(30) NULL)");
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}
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my $ua = LWP::UserAgent->new(
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agent => "Camlistore/BasicIndexer",
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conn_cache => LWP::ConnCache->new,
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);
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my $json = JSON::Any->new;
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# TODO: remove hard-coded realm
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$ua->credentials($hostport, "camlistored", "user", $netrc_mach->password);
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my $after = "";
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my $n_blobs = 0;
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while (1) {
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print "Enumerating starting at: $after ... ($n_blobs blobs so far)\n";
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my $res = $ua->get("$scheme://$hostport/camli/enumerate-blobs?after=$after&limit=5000");
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unless ($res->is_success) {
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die "Failure from /camli/enumerate-blobs?after=$after: " . $res->status_line;
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}
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my $jres = $json->jsonToObj($res->content);
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my $bloblist = $jres->{'blobs'};
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if (ref($bloblist) eq "ARRAY") {
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my $first = $bloblist->[0]{'blobRef'};
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my $last = $bloblist->[-1]{'blobRef'};
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my $sth = $db->prepare("SELECT blobref, size, mimetype FROM blobs WHERE " .
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"blobref >= ? AND blobref <= ?");
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$sth->execute($first, $last);
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my %inventory; # blobref -> [$size, $bool_have_mime]
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while (my ($lblob, $lsize, $lmimetype) = $sth->fetchrow_array) {
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$inventory{$lblob} = [$lsize, defined($lmimetype)];
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}
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foreach my $blob (@$bloblist) {
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$n_blobs++;
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my $lblob = $inventory{$blob->{'blobRef'}};
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if (!$lblob) {
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print "Inserting $blob->{'blobRef'} ...\n";
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$db->do("INSERT INTO blobs (blobref, size) VALUES (?, ?)", undef,
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$blob->{'blobRef'}, $blob->{'size'});
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next;
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}
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if ($lblob && !$lblob->[0] && $blob->{'size'}) {
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print "Updating size of $blob->{'blobRef'} ...\n";
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$db->do("UPDATE blobs SET size=? WHERE blobref=?", undef,
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$blob->{'size'}, $blob->{'blobRef'});
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next;
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}
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}
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}
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last unless $jres->{'after'} && $jres->{'after'} gt $after;
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$after = $jres->{'after'};
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}
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print "$n_blobs blobs indexed.\n";
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