comparison tests/run-tests.py @ 31002:a489ee9b2852

runtests: prefer IPv4 to IPv6

To make IPv6 work, there are multiple areas that need to fix. Before they
all get fixed, use IPv4 by default.

This should fix tests caused on IPv6 systems.

31001:e7eca6e1372e

# For Windows support
wifexited = getattr(os, "WIFEXITED", lambda x: False)

# Whether to use IPv6
def checkipv6available(port=20058):
    """return true if we can listen on localhost's IPv6 ports"""
    family = getattr(socket, 'AF_INET6', None)
    if family is None:
        return False
    try:
        s = socket.socket(family, socket.SOCK_STREAM)
        s.bind(('localhost', port))

        else:
            raise
    else:
        return False

useipv6 = checkipv6available()

def checkportisavailable(port):
    """return true if a port seems free to bind on localhost"""
    if useipv6:
        family = socket.AF_INET6

31002:a489ee9b2852

# For Windows support
wifexited = getattr(os, "WIFEXITED", lambda x: False)

# Whether to use IPv6
def checksocketfamily(name, port=20058):
    """return true if we can listen on localhost using family=name

    name should be either 'AF_INET', or 'AF_INET6'.
    port being used is okay - EADDRINUSE is considered as successful.
    """
    family = getattr(socket, name, None)
    if family is None:
        return False
    try:
        s = socket.socket(family, socket.SOCK_STREAM)
        s.bind(('localhost', port))

        else:
            raise
    else:
        return False

# IPv6 is used if IPv4 is not available and IPv6 is available.
useipv6 = (not checksocketfamily('AF_INET')) and checksocketfamily('AF_INET6')

def checkportisavailable(port):
    """return true if a port seems free to bind on localhost"""
    if useipv6:
        family = socket.AF_INET6