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More changes to the id generator

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git-svn-id: https://svn.perl.org/qpsmtpd/trunk@778 958fd67b-6ff1-0310-b445-bb7760255be9
This commit is contained in:
Matt Sergeant 2007-08-29 21:50:53 +00:00
parent bf5d011d85
commit e6113d586d
1 changed files with 13 additions and 3 deletions
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16
lib/Qpsmtpd/Transaction.pm
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@ -5,10 +5,14 @@ use strict;
use Qpsmtpd::Utils; use Qpsmtpd::Utils;
use Qpsmtpd::Constants; use Qpsmtpd::Constants;
use Socket qw(inet_aton); use Socket qw(inet_aton);
use Sys::Hostname;
use Time::HiRes qw(gettimeofday); use Time::HiRes qw(gettimeofday);
use IO::File qw(O_RDWR O_CREAT); use IO::File qw(O_RDWR O_CREAT);
my $SALT_HOST => crypt(hostname, chr(65+rand(57)).chr(65+rand(57)));
$SALT_HOST =~ tr/A-Za-z0-9//cd;
sub new { start(@_) } sub new { start(@_) }
sub start { sub start {
@ -16,12 +20,18 @@ sub start {
my $class = ref($proto) || $proto; my $class = ref($proto) || $proto;
my %args = @_; my %args = @_;
# generate id # Generate unique id
# use gettimeofday for microsec precision # use gettimeofday for microsec precision
my ($start, $mstart) = gettimeofday();
# add in rand() in case gettimeofday clock is slow (e.g. bsd?) # add in rand() in case gettimeofday clock is slow (e.g. bsd?)
# add in $$ in case srand is set per process # add in $$ in case srand is set per process
my $id = sprintf("%d.%06d.%d.%d", $start, $mstart, rand(10000), $$); my ($start, $mstart) = gettimeofday();
my $id = sprintf("%d.%06d.%s.%d.%d",
$start,
$mstart,
$SALT_HOST,
rand(10000),
$$,
);
my $self = { _rcpt => [], started => $start, _id => $id }; my $self = { _rcpt => [], started => $start, _id => $id };
bless ($self, $class); bless ($self, $class);