def test_supports_ipv6(self): self.addCleanup(supports_ipv6.cache_clear) if supports_ipv6(): with mock.patch('psutil._common.socket') as s: s.has_ipv6 = False supports_ipv6.cache_clear() assert not supports_ipv6() supports_ipv6.cache_clear() with mock.patch('psutil._common.socket.socket', side_effect=socket.error) as s: assert not supports_ipv6() assert s.called supports_ipv6.cache_clear() with mock.patch('psutil._common.socket.socket', side_effect=socket.gaierror) as s: assert not supports_ipv6() supports_ipv6.cache_clear() assert s.called supports_ipv6.cache_clear() with mock.patch('psutil._common.socket.socket.bind', side_effect=socket.gaierror) as s: assert not supports_ipv6() supports_ipv6.cache_clear() assert s.called else: with self.assertRaises(Exception): sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM) sock.bind(("::1", 0))
class TestUnconnectedSockets(Base, unittest.TestCase): """Tests sockets which are open but not connected to anything.""" def test_tcp_v4(self): addr = ("127.0.0.1", get_free_port()) with closing(bind_socket(AF_INET, SOCK_STREAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_LISTEN) @unittest.skipIf(not supports_ipv6(), "IPv6 not supported") def test_tcp_v6(self): addr = ("::1", get_free_port()) with closing(bind_socket(AF_INET6, SOCK_STREAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_LISTEN) def test_udp_v4(self): addr = ("127.0.0.1", get_free_port()) with closing(bind_socket(AF_INET, SOCK_DGRAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE) @unittest.skipIf(not supports_ipv6(), "IPv6 not supported") def test_udp_v6(self): addr = ("::1", get_free_port()) with closing(bind_socket(AF_INET6, SOCK_DGRAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE) @unittest.skipIf(not POSIX, 'POSIX only') def test_unix_tcp(self): with unix_socket_path() as name: with closing(bind_unix_socket(name, type=SOCK_STREAM)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE) @unittest.skipIf(not POSIX, 'POSIX only') def test_unix_udp(self): with unix_socket_path() as name: with closing(bind_unix_socket(name, type=SOCK_STREAM)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE)
def create_sockets(): """Open as many socket families / types as possible.""" socks = [] fname1 = fname2 = None try: socks.append(bind_socket(socket.AF_INET, socket.SOCK_STREAM)) socks.append(bind_socket(socket.AF_INET, socket.SOCK_DGRAM)) if supports_ipv6(): socks.append(bind_socket(socket.AF_INET6, socket.SOCK_STREAM)) socks.append(bind_socket(socket.AF_INET6, socket.SOCK_DGRAM)) if POSIX and HAS_CONNECTIONS_UNIX: fname1 = unix_socket_path().__enter__() fname2 = unix_socket_path().__enter__() s1, s2 = unix_socketpair(fname1) s3 = bind_unix_socket(fname2, type=socket.SOCK_DGRAM) # self.addCleanup(safe_rmpath, fname1) # self.addCleanup(safe_rmpath, fname2) for s in (s1, s2, s3): socks.append(s) yield socks finally: for s in socks: s.close() if fname1 is not None: safe_rmpath(fname1) if fname2 is not None: safe_rmpath(fname2)
def test_connections(self): def create_socket(family, type): sock = socket.socket(family, type) sock.bind(('', 0)) if type == socket.SOCK_STREAM: sock.listen(1) return sock socks = [] socks.append(create_socket(socket.AF_INET, socket.SOCK_STREAM)) socks.append(create_socket(socket.AF_INET, socket.SOCK_DGRAM)) if supports_ipv6(): socks.append(create_socket(socket.AF_INET6, socket.SOCK_STREAM)) socks.append(create_socket(socket.AF_INET6, socket.SOCK_DGRAM)) if hasattr(socket, 'AF_UNIX'): safe_remove(TESTFN) s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) s.bind(TESTFN) s.listen(1) socks.append(s) kind = 'all' # TODO: UNIX sockets are temporarily implemented by parsing # 'pfiles' cmd output; we don't want that part of the code to # be executed. if SUNOS: kind = 'inet' try: self.execute('connections', kind=kind) finally: for s in socks: s.close()
def test_connections(self): def create_socket(family, type): sock = socket.socket(family, type) sock.bind(('', 0)) if type == socket.SOCK_STREAM: sock.listen(1) return sock socks = [] socks.append(create_socket(socket.AF_INET, socket.SOCK_STREAM)) socks.append(create_socket(socket.AF_INET, socket.SOCK_DGRAM)) if supports_ipv6(): socks.append(create_socket(socket.AF_INET6, socket.SOCK_STREAM)) socks.append(create_socket(socket.AF_INET6, socket.SOCK_DGRAM)) if hasattr(socket, 'AF_UNIX'): safe_rmpath(TESTFN) s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) s.bind(TESTFN) s.listen(1) socks.append(s) kind = 'all' # TODO: UNIX sockets are temporarily implemented by parsing # 'pfiles' cmd output; we don't want that part of the code to # be executed. if SUNOS: kind = 'inet' try: self.execute('connections', kind=kind) finally: for s in socks: s.close()
def create_sockets(self): """Open as many socket families / types as possible. This is needed to excercise as many C code sections as possible for net_connections() functions. The returned sockets are already scheduled for cleanup. """ socks = [] try: socks.append(bind_socket(socket.AF_INET, socket.SOCK_STREAM)) socks.append(bind_socket(socket.AF_INET, socket.SOCK_DGRAM)) if supports_ipv6(): socks.append(bind_socket(socket.AF_INET6, socket.SOCK_STREAM)) socks.append(bind_socket(socket.AF_INET6, socket.SOCK_DGRAM)) if POSIX and not SUNOS: # TODO: SunOS name1 = unix_socket_path().__enter__() name2 = unix_socket_path().__enter__() s1, s2 = unix_socketpair(name1) s3 = bind_unix_socket(name2, type=socket.SOCK_DGRAM) self.addCleanup(safe_rmpath, name1) self.addCleanup(safe_rmpath, name2) for s in (s1, s2, s3): socks.append(s) return socks finally: for s in socks: self.addCleanup(s.close)
def test_supports_ipv6(self): if supports_ipv6(): with mock.patch('psutil._common.socket') as s: s.has_ipv6 = False assert not supports_ipv6() with mock.patch('psutil._common.socket.socket', side_effect=socket.error) as s: assert not supports_ipv6() assert s.called with mock.patch('psutil._common.socket.socket', side_effect=socket.gaierror) as s: assert not supports_ipv6() assert s.called with mock.patch('psutil._common.socket.socket.bind', side_effect=socket.gaierror) as s: assert not supports_ipv6() assert s.called else: if hasattr(socket, 'AF_INET6'): with self.assertRaises(Exception): sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM) sock.bind(("::1", 0))
def test_multi_sockets_filtering(self): with create_sockets() as socks: cons = thisproc.connections(kind='all') self.assertEqual(len(cons), len(socks)) # tcp cons = thisproc.connections(kind='tcp') self.assertEqual(len(cons), 2 if supports_ipv6() else 1) for conn in cons: self.assertIn(conn.family, (AF_INET, AF_INET6)) self.assertEqual(conn.type, SOCK_STREAM) # tcp4 cons = thisproc.connections(kind='tcp4') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET) self.assertEqual(cons[0].type, SOCK_STREAM) # tcp6 if supports_ipv6(): cons = thisproc.connections(kind='tcp6') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET6) self.assertEqual(cons[0].type, SOCK_STREAM) # udp cons = thisproc.connections(kind='udp') self.assertEqual(len(cons), 2 if supports_ipv6() else 1) for conn in cons: self.assertIn(conn.family, (AF_INET, AF_INET6)) self.assertEqual(conn.type, SOCK_DGRAM) # udp4 cons = thisproc.connections(kind='udp4') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET) self.assertEqual(cons[0].type, SOCK_DGRAM) # udp6 if supports_ipv6(): cons = thisproc.connections(kind='udp6') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET6) self.assertEqual(cons[0].type, SOCK_DGRAM) # inet cons = thisproc.connections(kind='inet') self.assertEqual(len(cons), 4 if supports_ipv6() else 2) for conn in cons: self.assertIn(conn.family, (AF_INET, AF_INET6)) self.assertIn(conn.type, (SOCK_STREAM, SOCK_DGRAM)) # inet6 if supports_ipv6(): cons = thisproc.connections(kind='inet6') self.assertEqual(len(cons), 2) for conn in cons: self.assertEqual(conn.family, AF_INET6) self.assertIn(conn.type, (SOCK_STREAM, SOCK_DGRAM)) # unix if HAS_CONNECTIONS_UNIX: cons = thisproc.connections(kind='unix') self.assertEqual(len(cons), 3) for conn in cons: self.assertEqual(conn.family, AF_UNIX) self.assertIn(conn.type, (SOCK_STREAM, SOCK_DGRAM))
def test_count(self): with create_sockets(): # tcp cons = thisproc.connections(kind='tcp') self.assertEqual(len(cons), 2 if supports_ipv6() else 1) for conn in cons: self.assertIn(conn.family, (AF_INET, AF_INET6)) self.assertEqual(conn.type, SOCK_STREAM) # tcp4 cons = thisproc.connections(kind='tcp4') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET) self.assertEqual(cons[0].type, SOCK_STREAM) # tcp6 if supports_ipv6(): cons = thisproc.connections(kind='tcp6') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET6) self.assertEqual(cons[0].type, SOCK_STREAM) # udp cons = thisproc.connections(kind='udp') self.assertEqual(len(cons), 2 if supports_ipv6() else 1) for conn in cons: self.assertIn(conn.family, (AF_INET, AF_INET6)) self.assertEqual(conn.type, SOCK_DGRAM) # udp4 cons = thisproc.connections(kind='udp4') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET) self.assertEqual(cons[0].type, SOCK_DGRAM) # udp6 if supports_ipv6(): cons = thisproc.connections(kind='udp6') self.assertEqual(len(cons), 1) self.assertEqual(cons[0].family, AF_INET6) self.assertEqual(cons[0].type, SOCK_DGRAM) # inet cons = thisproc.connections(kind='inet') self.assertEqual(len(cons), 4 if supports_ipv6() else 2) for conn in cons: self.assertIn(conn.family, (AF_INET, AF_INET6)) self.assertIn(conn.type, (SOCK_STREAM, SOCK_DGRAM)) # inet6 if supports_ipv6(): cons = thisproc.connections(kind='inet6') self.assertEqual(len(cons), 2) for conn in cons: self.assertEqual(conn.family, AF_INET6) self.assertIn(conn.type, (SOCK_STREAM, SOCK_DGRAM)) # Skipped on BSD becayse by default the Python process # creates a UNIX socket to '/var/run/log'. if HAS_CONNECTIONS_UNIX and not (FREEBSD or NETBSD): cons = thisproc.connections(kind='unix') self.assertEqual(len(cons), 3) for conn in cons: self.assertEqual(conn.family, AF_UNIX) self.assertIn(conn.type, (SOCK_STREAM, SOCK_DGRAM))
def test_create_sockets(self): with create_sockets() as socks: fams = collections.defaultdict(int) types = collections.defaultdict(int) for s in socks: fams[s.family] += 1 # work around http://bugs.python.org/issue30204 types[s.getsockopt(socket.SOL_SOCKET, socket.SO_TYPE)] += 1 self.assertGreaterEqual(fams[socket.AF_INET], 2) if supports_ipv6(): self.assertGreaterEqual(fams[socket.AF_INET6], 2) if POSIX and HAS_CONNECTIONS_UNIX: self.assertGreaterEqual(fams[socket.AF_UNIX], 2) self.assertGreaterEqual(types[socket.SOCK_STREAM], 2) self.assertGreaterEqual(types[socket.SOCK_DGRAM], 2)
def test_connections(self): def create_socket(family, type): sock = socket.socket(family, type) sock.bind(('', 0)) if type == socket.SOCK_STREAM: sock.listen(1) return sock # Open as many socket types as possible so that we excercise # as many C code sections as possible. socks = [] socks.append(create_socket(socket.AF_INET, socket.SOCK_STREAM)) socks.append(create_socket(socket.AF_INET, socket.SOCK_DGRAM)) if supports_ipv6(): socks.append(create_socket(socket.AF_INET6, socket.SOCK_STREAM)) socks.append(create_socket(socket.AF_INET6, socket.SOCK_DGRAM)) if POSIX and not SUNOS: # TODO: SunOS name1 = unix_socket_path().__enter__() name2 = unix_socket_path().__enter__() s1, s2 = unix_socketpair(name1) s3 = bind_unix_socket(name2, type=socket.SOCK_DGRAM) self.addCleanup(safe_rmpath, name1) self.addCleanup(safe_rmpath, name2) for s in (s1, s2, s3): socks.append(s) # TODO: UNIX sockets are temporarily implemented by parsing # 'pfiles' cmd output; we don't want that part of the code to # be executed. kind = 'inet' if SUNOS else 'all' # Make sure we did a proper setup. self.assertEqual( len(psutil.Process().connections(kind=kind)), len(socks)) try: self.execute(self.proc.connections, kind) finally: for s in socks: s.close()
def test_combos(self): def check_conn(proc, conn, family, type, laddr, raddr, status, kinds): all_kinds = ("all", "inet", "inet4", "inet6", "tcp", "tcp4", "tcp6", "udp", "udp4", "udp6") self.check_connection_ntuple(conn) self.assertEqual(conn.family, family) self.assertEqual(conn.type, type) self.assertEqual(conn.laddr, laddr) self.assertEqual(conn.raddr, raddr) self.assertEqual(conn.status, status) for kind in all_kinds: cons = proc.connections(kind=kind) if kind in kinds: assert cons else: assert not cons, cons # compare against system-wide connections # XXX Solaris can't retrieve system-wide UNIX # sockets. if HAS_CONNECTIONS_UNIX: self.compare_procsys_connections(proc.pid, [conn]) tcp_template = textwrap.dedent(""" import socket, time s = socket.socket($family, socket.SOCK_STREAM) s.bind(('$addr', 0)) s.listen(5) with open('$testfn', 'w') as f: f.write(str(s.getsockname()[:2])) time.sleep(60) """) udp_template = textwrap.dedent(""" import socket, time s = socket.socket($family, socket.SOCK_DGRAM) s.bind(('$addr', 0)) with open('$testfn', 'w') as f: f.write(str(s.getsockname()[:2])) time.sleep(60) """) # must be relative on Windows testfile = os.path.basename(self.get_testfn(dir=os.getcwd())) tcp4_template = string.Template(tcp_template).substitute( family=int(AF_INET), addr="127.0.0.1", testfn=testfile) udp4_template = string.Template(udp_template).substitute( family=int(AF_INET), addr="127.0.0.1", testfn=testfile) tcp6_template = string.Template(tcp_template).substitute( family=int(AF_INET6), addr="::1", testfn=testfile) udp6_template = string.Template(udp_template).substitute( family=int(AF_INET6), addr="::1", testfn=testfile) # launch various subprocess instantiating a socket of various # families and types to enrich psutil results tcp4_proc = self.pyrun(tcp4_template) tcp4_addr = eval(wait_for_file(testfile)) udp4_proc = self.pyrun(udp4_template) udp4_addr = eval(wait_for_file(testfile)) if supports_ipv6(): tcp6_proc = self.pyrun(tcp6_template) tcp6_addr = eval(wait_for_file(testfile)) udp6_proc = self.pyrun(udp6_template) udp6_addr = eval(wait_for_file(testfile)) else: tcp6_proc = None udp6_proc = None tcp6_addr = None udp6_addr = None for p in thisproc.children(): cons = p.connections() self.assertEqual(len(cons), 1) for conn in cons: # TCP v4 if p.pid == tcp4_proc.pid: check_conn(p, conn, AF_INET, SOCK_STREAM, tcp4_addr, (), psutil.CONN_LISTEN, ("all", "inet", "inet4", "tcp", "tcp4")) # UDP v4 elif p.pid == udp4_proc.pid: check_conn(p, conn, AF_INET, SOCK_DGRAM, udp4_addr, (), psutil.CONN_NONE, ("all", "inet", "inet4", "udp", "udp4")) # TCP v6 elif p.pid == getattr(tcp6_proc, "pid", None): check_conn(p, conn, AF_INET6, SOCK_STREAM, tcp6_addr, (), psutil.CONN_LISTEN, ("all", "inet", "inet6", "tcp", "tcp6")) # UDP v6 elif p.pid == getattr(udp6_proc, "pid", None): check_conn(p, conn, AF_INET6, SOCK_DGRAM, udp6_addr, (), psutil.CONN_NONE, ("all", "inet", "inet6", "udp", "udp6"))
class TestUnconnectedSockets(_ConnTestCase): """Tests sockets which are open but not connected to anything.""" def get_conn_from_sock(self, sock): cons = thisproc.connections(kind='all') smap = dict([(c.fd, c) for c in cons]) if NETBSD or FREEBSD: # NetBSD opens a UNIX socket to /var/log/run # so there may be more connections. return smap[sock.fileno()] else: self.assertEqual(len(cons), 1) if cons[0].fd != -1: self.assertEqual(smap[sock.fileno()].fd, sock.fileno()) return cons[0] def check_socket(self, sock): """Given a socket, makes sure it matches the one obtained via psutil. It assumes this process created one connection only (the one supposed to be checked). """ conn = self.get_conn_from_sock(sock) self.check_connection_ntuple(conn) # fd, family, type if conn.fd != -1: self.assertEqual(conn.fd, sock.fileno()) self.assertEqual(conn.family, sock.family) # see: http://bugs.python.org/issue30204 self.assertEqual(conn.type, sock.getsockopt(socket.SOL_SOCKET, socket.SO_TYPE)) # local address laddr = sock.getsockname() if not laddr and PY3 and isinstance(laddr, bytes): # See: http://bugs.python.org/issue30205 laddr = laddr.decode() if sock.family == AF_INET6: laddr = laddr[:2] if sock.family == AF_UNIX and OPENBSD: # No addresses are set for UNIX sockets on OpenBSD. pass else: self.assertEqual(conn.laddr, laddr) # XXX Solaris can't retrieve system-wide UNIX sockets if sock.family == AF_UNIX and HAS_CONNECTIONS_UNIX: cons = thisproc.connections(kind='all') self.compare_procsys_connections(os.getpid(), cons, kind='all') return conn def test_tcp_v4(self): addr = ("127.0.0.1", get_free_port()) with closing(bind_socket(AF_INET, SOCK_STREAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_LISTEN) @unittest.skipIf(not supports_ipv6(), "IPv6 not supported") def test_tcp_v6(self): addr = ("::1", get_free_port()) with closing(bind_socket(AF_INET6, SOCK_STREAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_LISTEN) def test_udp_v4(self): addr = ("127.0.0.1", get_free_port()) with closing(bind_socket(AF_INET, SOCK_DGRAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE) @unittest.skipIf(not supports_ipv6(), "IPv6 not supported") def test_udp_v6(self): addr = ("::1", get_free_port()) with closing(bind_socket(AF_INET6, SOCK_DGRAM, addr=addr)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE) @unittest.skipIf(not POSIX, 'POSIX only') def test_unix_tcp(self): testfn = self.get_testfn() with closing(bind_unix_socket(testfn, type=SOCK_STREAM)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE) @unittest.skipIf(not POSIX, 'POSIX only') def test_unix_udp(self): testfn = self.get_testfn() with closing(bind_unix_socket(testfn, type=SOCK_STREAM)) as sock: conn = self.check_socket(sock) assert not conn.raddr self.assertEqual(conn.status, psutil.CONN_NONE)
def test_combos(self): def check_conn(proc, conn, family, type, laddr, raddr, status, kinds): all_kinds = ("all", "inet", "inet4", "inet6", "tcp", "tcp4", "tcp6", "udp", "udp4", "udp6") check_connection_ntuple(conn) self.assertEqual(conn.family, family) self.assertEqual(conn.type, type) self.assertEqual(conn.laddr, laddr) self.assertEqual(conn.raddr, raddr) self.assertEqual(conn.status, status) for kind in all_kinds: cons = proc.connections(kind=kind) if kind in kinds: assert cons else: assert not cons, cons # compare against system-wide connections # XXX Solaris can't retrieve system-wide UNIX # sockets. if HAS_CONNECTIONS_UNIX: self.compare_procsys_connections(proc.pid, [conn]) tcp_template = textwrap.dedent(""" import socket, time s = socket.socket($family, socket.SOCK_STREAM) s.bind(('$addr', 0)) s.listen(1) with open('$testfn', 'w') as f: f.write(str(s.getsockname()[:2])) time.sleep(60) """) udp_template = textwrap.dedent(""" import socket, time s = socket.socket($family, socket.SOCK_DGRAM) s.bind(('$addr', 0)) with open('$testfn', 'w') as f: f.write(str(s.getsockname()[:2])) time.sleep(60) """) from string import Template testfile = os.path.basename(TESTFN) tcp4_template = Template(tcp_template).substitute( family=int(AF_INET), addr="127.0.0.1", testfn=testfile) udp4_template = Template(udp_template).substitute( family=int(AF_INET), addr="127.0.0.1", testfn=testfile) tcp6_template = Template(tcp_template).substitute( family=int(AF_INET6), addr="::1", testfn=testfile) udp6_template = Template(udp_template).substitute( family=int(AF_INET6), addr="::1", testfn=testfile) # launch various subprocess instantiating a socket of various # families and types to enrich psutil results tcp4_proc = pyrun(tcp4_template) tcp4_addr = eval(wait_for_file(testfile)) udp4_proc = pyrun(udp4_template) udp4_addr = eval(wait_for_file(testfile)) if supports_ipv6(): tcp6_proc = pyrun(tcp6_template) tcp6_addr = eval(wait_for_file(testfile)) udp6_proc = pyrun(udp6_template) udp6_addr = eval(wait_for_file(testfile)) else: tcp6_proc = None udp6_proc = None tcp6_addr = None udp6_addr = None for p in thisproc.children(): cons = p.connections() self.assertEqual(len(cons), 1) for conn in cons: # TCP v4 if p.pid == tcp4_proc.pid: check_conn(p, conn, AF_INET, SOCK_STREAM, tcp4_addr, (), psutil.CONN_LISTEN, ("all", "inet", "inet4", "tcp", "tcp4")) # UDP v4 elif p.pid == udp4_proc.pid: check_conn(p, conn, AF_INET, SOCK_DGRAM, udp4_addr, (), psutil.CONN_NONE, ("all", "inet", "inet4", "udp", "udp4")) # TCP v6 elif p.pid == getattr(tcp6_proc, "pid", None): check_conn(p, conn, AF_INET6, SOCK_STREAM, tcp6_addr, (), psutil.CONN_LISTEN, ("all", "inet", "inet6", "tcp", "tcp6")) # UDP v6 elif p.pid == getattr(udp6_proc, "pid", None): check_conn(p, conn, AF_INET6, SOCK_DGRAM, udp6_addr, (), psutil.CONN_NONE, ("all", "inet", "inet6", "udp", "udp6")) # err self.assertRaises(ValueError, p.connections, kind='???')