index 0135c5a795c072b8baa15b68729288c0b85937b5..32ee98aebccd1700d2341d5ca59d8f73ada449a5 100644 (file)
# list of file reservations made by get_free_port
my @port_reservation_files;
+# We want to choose a server port above the range that servers typically use
+# on Unix systems and below the range those systems typically use for ephemeral
+# client ports.
+# That way we minimize the risk of getting a port collision. These two values
+# are chosen to reflect that. We will always choose a port in this range.
+my $port_lower_bound = 10200;
+my $port_upper_bound = 32767;
+
INIT
{
$ENV{PGDATABASE} = 'postgres';
# Tracking of last port value assigned to accelerate free port lookup.
- $last_port_assigned = int(rand() * 16384) + 49152;
+ my $num_ports = $port_upper_bound - $port_lower_bound;
+ $last_port_assigned = int(rand() * $num_ports) + $port_lower_bound;
# Set the port lock directory
{
# advance $port, wrapping correctly around range end
- $port = 49152 if ++$port >= 65536;
+ $port = $port_lower_bound if ++$port > $port_upper_bound;
print "# Checking port $port\n";
# Check first that candidate port number is not included in