Log high precision timestamps in the logfile.

Also, don't try to import POSIX or Time::HiRes unless the logfile is
configured.

1 files changed, 7 insertions, 2 deletions

diff --git a/lib/Net/IMAP/Sync.pm b/lib/Net/IMAP/Sync.pm
index b44f0a6..4a9d431 100644
--- a/lib/Net/IMAP/Sync.pm
+++ b/lib/Net/IMAP/Sync.pm
@@ -23,7 +23,6 @@ use strict;
 use Config::Tiny ();
 use IO::Select ();
 use List::Util 'first';
-use POSIX 'strftime';
 use Socket 'SO_KEEPALIVE';
 
 use Exporter 'import';
@@ -288,6 +287,11 @@ sub new($%) {
     # are considered.
     $self->{_MODIFIED} = {};
 
+    if (defined $self->{'logger-fd'} and $self->{'logger-fd'}->fileno != fileno STDERR) {
+        require 'POSIX.pm';
+        require 'Time/HiRes.pm';
+    }
+
     # wait for the greeting
     my $x = $self->_getline();
     $x =~ s/\A\* (OK|PREAUTH) // or $self->panic($x);
@@ -402,7 +406,8 @@ sub logger($@) {
     return unless @_ and defined $self->{'logger-fd'};
     my $prefix = '';
     if ($self->{'logger-fd'}->fileno != fileno STDERR) {
-        $prefix = strftime "%b %e %H:%M:%S ", localtime;
+        my ($s, $us) = Time::HiRes::gettimeofday();
+        $prefix = POSIX::strftime("%b %e %H:%M:%S", localtime($s)).".$us ";
     }
     $prefix .= defined "$self->{name}" ? $self->{name} : '';
     $prefix .= "($self->{_SELECTED})" if $self->{_STATE} eq 'SELECTED';