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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport asyncore import unittest import select import os import socket import sys import time import errno import struct import threading from test import support from test.support import socket_helper from io import BytesIO if support.PGO: raise unittest.SkipTest("test is not helpful for PGO") HAS_UNIX_SOCKETS = hasattr(socket, 'AF_UNIX') class dummysocket: def __init__(self): self.closed = False def close(self): self.closed = True def fileno(self): return 42 class dummychannel: def __init__(self): self.socket = dummysocket() def close(self): self.socket.close() class exitingdummy: def __init__(self): pass def handle_read_event(self): raise asyncore.ExitNow() handle_write_event = handle_read_event handle_close = handle_read_event handle_expt_event = handle_read_event class crashingdummy: def __init__(self): self.error_handled = False def handle_read_event(self): raise Exception() handle_write_event = handle_read_event handle_close = handle_read_event handle_expt_event = handle_read_event def handle_error(self): self.error_handled = True # used when testing senders; just collects what it gets until newline is sent def capture_server(evt, buf, serv): try: serv.listen() conn, addr = serv.accept() except socket.timeout: pass else: n = 200 start = time.monotonic() while n > 0 and time.monotonic() - start < 3.0: r, w, e = select.select([conn], [], [], 0.1) if r: n -= 1 data = conn.recv(10) # keep everything except for the newline terminator buf.write(data.replace(b'\n', b'')) if b'\n' in data: break time.sleep(0.01) conn.close() finally: serv.close() evt.set() def bind_af_aware(sock, addr): """Helper function to bind a socket according to its family.""" if HAS_UNIX_SOCKETS and sock.family == socket.AF_UNIX: # Make sure the path doesn't exist. support.unlink(addr) socket_helper.bind_unix_socket(sock, addr) else: sock.bind(addr) class HelperFunctionTests(unittest.TestCase): def test_readwriteexc(self): # Check exception handling behavior of read, write and _exception # check that ExitNow exceptions in the object handler method # bubbles all the way up through asyncore read/write/_exception calls tr1 = exitingdummy() self.assertRaises(asyncore.ExitNow, asyncore.read, tr1) self.assertRaises(asyncore.ExitNow, asyncore.write, tr1) self.assertRaises(asyncore.ExitNow, asyncore._exception, tr1) # check that an exception other than ExitNow in the object handler # method causes the handle_error method to get called tr2 = crashingdummy() asyncore.read(tr2) self.assertEqual(tr2.error_handled, True) tr2 = crashingdummy() asyncore.write(tr2) self.assertEqual(tr2.error_handled, True) tr2 = crashingdummy() asyncore._exception(tr2) self.assertEqual(tr2.error_handled, True) # asyncore.readwrite uses constants in the select module that # are not present in Windows systems (see this thread: # http://mail.python.org/pipermail/python-list/2001-October/109973.html) # These constants should be present as long as poll is available @unittest.skipUnless(hasattr(select, 'poll'), 'select.poll required') def test_readwrite(self): # Check that correct methods are called by readwrite() attributes = ('read', 'expt', 'write', 'closed', 'error_handled') expected = ( (select.POLLIN, 'read'), (select.POLLPRI, 'expt'), (select.POLLOUT, 'write'), (select.POLLERR, 'closed'), (select.POLLHUP, 'closed'), (select.POLLNVAL, 'closed'), ) class testobj: def __init__(self): self.read = False self.write = False self.closed = False self.expt = False self.error_handled = False def handle_read_event(self): self.read = True def handle_write_event(self): self.write = True def handle_close(self): self.closed = True def handle_expt_event(self): self.expt = True def handle_error(self): self.error_handled = True for flag, expectedattr in expected: tobj = testobj() self.assertEqual(getattr(tobj, expectedattr), False) asyncore.readwrite(tobj, flag) # Only the attribute modified by the routine we expect to be # called should be True. for attr in attributes: self.assertEqual(getattr(tobj, attr), attr==expectedattr) # check that ExitNow exceptions in the object handler method # bubbles all the way up through asyncore readwrite call tr1 = exitingdummy() self.assertRaises(asyncore.ExitNow, asyncore.readwrite, tr1, flag) # check that an exception other than ExitNow in the object handler # method causes the handle_error method to get called tr2 = crashingdummy() self.assertEqual(tr2.error_handled, False) asyncore.readwrite(tr2, flag) self.assertEqual(tr2.error_handled, True) def test_closeall(self): self.closeall_check(False) def test_closeall_default(self): self.closeall_check(True) def closeall_check(self, usedefault): # Check that close_all() closes everything in a given map l = [] testmap = {} for i in range(10): c = dummychannel() l.append(c) self.assertEqual(c.socket.closed, False) testmap[i] = c if usedefault: socketmap = asyncore.socket_map try: asyncore.socket_map = testmap asyncore.close_all() finally: testmap, asyncore.socket_map = asyncore.socket_map, socketmap else: asyncore.close_all(testmap) self.assertEqual(len(testmap), 0) for c in l: self.assertEqual(c.socket.closed, True) def test_compact_traceback(self): try: raise Exception("I don't like spam!") except: real_t, real_v, real_tb = sys.exc_info() r = asyncore.compact_traceback() else: self.fail("Expected exception") (f, function, line), t, v, info = r self.assertEqual(os.path.split(f)[-1], 'test_asyncore.py') self.assertEqual(function, 'test_compact_traceback') self.assertEqual(t, real_t) self.assertEqual(v, real_v) self.assertEqual(info, '[%s|%s|%s]' % (f, function, line)) class DispatcherTests(unittest.TestCase): def setUp(self): pass def tearDown(self): asyncore.close_all() def test_basic(self): d = asyncore.dispatcher() self.assertEqual(d.readable(), True) self.assertEqual(d.writable(), True) def test_repr(self): d = asyncore.dispatcher() self.assertEqual(repr(d), '' % id(d)) def test_log(self): d = asyncore.dispatcher() # capture output of dispatcher.log() (to stderr) l1 = "Lovely spam! Wonderful spam!" l2 = "I don't like spam!" with support.captured_stderr() as stderr: d.log(l1) d.log(l2) lines = stderr.getvalue().splitlines() self.assertEqual(lines, ['log: %s' % l1, 'log: %s' % l2]) def test_log_info(self): d = asyncore.dispatcher() # capture output of dispatcher.log_info() (to stdout via print) l1 = "Have you got anything without spam?" l2 = "Why can't she have egg bacon spam and sausage?" l3 = "THAT'S got spam in it!" with support.captured_stdout() as stdout: d.log_info(l1, 'EGGS') d.log_info(l2) d.log_info(l3, 'SPAM') lines = stdout.getvalue().splitlines() expected = ['EGGS: %s' % l1, 'info: %s' % l2, 'SPAM: %s' % l3] self.assertEqual(lines, expected) def test_unhandled(self): d = asyncore.dispatcher() d.ignore_log_types = () # capture output of dispatcher.log_info() (to stdout via print) with support.captured_stdout() as stdout: d.handle_expt() d.handle_read() d.handle_write() d.handle_connect() lines = stdout.getvalue().splitlines() expected = ['warning: unhandled incoming priority event', 'warning: unhandled read event', 'warning: unhandled write event', 'warning: unhandled connect event'] self.assertEqual(lines, expected) def test_strerror(self): # refers to bug #8573 err = asyncore._strerror(errno.EPERM) if hasattr(os, 'strerror'): self.assertEqual(err, os.strerror(errno.EPERM)) err = asyncore._strerror(-1) self.assertTrue(err != "") class dispatcherwithsend_noread(asyncore.dispatcher_with_send): def readable(self): return False def handle_connect(self): pass class DispatcherWithSendTests(unittest.TestCase): def setUp(self): pass def tearDown(self): asyncore.close_all() @support.reap_threads def test_send(self): evt = threading.Event() sock = socket.socket() sock.settimeout(3) port = socket_helper.bind_port(sock) cap = BytesIO() args = (evt, cap, sock) t = threading.Thread(target=capture_server, args=args) t.start() try: # wait a little longer for the server to initialize (it sometimes # refuses connections on slow machines without this wait) time.sleep(0.2) data = b"Suppose there isn't a 16-ton weight?" d = dispatcherwithsend_noread() d.create_socket() d.connect((socket_helper.HOST, port)) # give time for socket to connect time.sleep(0.1) d.send(data) d.send(data) d.send(b'\n') n = 1000 while d.out_buffer and n > 0: asyncore.poll() n -= 1 evt.wait() self.assertEqual(cap.getvalue(), data*2) finally: support.join_thread(t) @unittest.skipUnless(hasattr(asyncore, 'file_wrapper'), 'asyncore.file_wrapper required') class FileWrapperTest(unittest.TestCase): def setUp(self): self.d = b"It's not dead, it's sleeping!" with open(support.TESTFN, 'wb') as file: file.write(self.d) def tearDown(self): support.unlink(support.TESTFN) def test_recv(self): fd = os.open(support.TESTFN, os.O_RDONLY) w = asyncore.file_wrapper(fd) os.close(fd) self.assertNotEqual(w.fd, fd) self.assertNotEqual(w.fileno(), fd) self.assertEqual(w.recv(13), b"It's not dead") self.assertEqual(w.read(6), b", it's") w.close() self.assertRaises(OSError, w.read, 1) def test_send(self): d1 = b"Come again?" d2 = b"I want to buy some cheese." fd = os.open(support.TESTFN, os.O_WRONLY | os.O_APPEND) w = asyncore.file_wrapper(fd) os.close(fd) w.write(d1) w.send(d2) w.close() with open(support.TESTFN, 'rb') as file: self.assertEqual(file.read(), self.d + d1 + d2) @unittest.skipUnless(hasattr(asyncore, 'file_dispatcher'), 'asyncore.file_dispatcher required') def test_dispatcher(self): fd = os.open(support.TESTFN, os.O_RDONLY) data = [] class FileDispatcher(asyncore.file_dispatcher): def handle_read(self): data.append(self.recv(29)) s = FileDispatcher(fd) os.close(fd) asyncore.loop(timeout=0.01, use_poll=True, count=2) self.assertEqual(b"".join(data), self.d) def test_resource_warning(self): # Issue #11453 fd = os.open(support.TESTFN, os.O_RDONLY) f = asyncore.file_wrapper(fd) os.close(fd) with support.check_warnings(('', ResourceWarning)): f = None support.gc_collect() def test_close_twice(self): fd = os.open(support.TESTFN, os.O_RDONLY) f = asyncore.file_wrapper(fd) os.close(fd) os.close(f.fd) # file_wrapper dupped fd with self.assertRaises(OSError): f.close() self.assertEqual(f.fd, -1) # calling close twice should not fail f.close() class BaseTestHandler(asyncore.dispatcher): def __init__(self, sock=None): asyncore.dispatcher.__init__(self, sock) self.flag = False def handle_accept(self): raise Exception("handle_accept not supposed to be called") def handle_accepted(self): raise Exception("handle_accepted not supposed to be called") def handle_connect(self): raise Exception("handle_connect not supposed to be called") def handle_expt(self): raise Exception("handle_expt not supposed to be called") def handle_close(self): raise Exception("handle_close not supposed to be called") def handle_error(self): raise class BaseServer(asyncore.dispatcher): """A server which listens on an address and dispatches the connection to a handler. """ def __init__(self, family, addr, handler=BaseTestHandler): asyncore.dispatcher.__init__(self) self.create_socket(family) self.set_reuse_addr() bind_af_aware(self.socket, addr) self.listen(5) self.handler = handler @property def address(self): return self.socket.getsockname() def handle_accepted(self, sock, addr): self.handler(sock) def handle_error(self): raise class BaseClient(BaseTestHandler): def __init__(self, family, address): BaseTestHandler.__init__(self) self.create_socket(family) self.connect(address) def handle_connect(self): pass class BaseTestAPI: def tearDown(self): asyncore.close_all(ignore_all=True) def loop_waiting_for_flag(self, instance, timeout=5): timeout = float(timeout) / 100 count = 100 while asyncore.socket_map and count > 0: asyncore.loop(timeout=0.01, count=1, use_poll=self.use_poll) if instance.flag: return count -= 1 time.sleep(timeout) self.fail("flag not set") def test_handle_connect(self): # make sure handle_connect is called on connect() class TestClient(BaseClient): def handle_connect(self): self.flag = True server = BaseServer(self.family, self.addr) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_accept(self): # make sure handle_accept() is called when a client connects class TestListener(BaseTestHandler): def __init__(self, family, addr): BaseTestHandler.__init__(self) self.create_socket(family) bind_af_aware(self.socket, addr) self.listen(5) self.address = self.socket.getsockname() def handle_accept(self): self.flag = True server = TestListener(self.family, self.addr) client = BaseClient(self.family, server.address) self.loop_waiting_for_flag(server) def test_handle_accepted(self): # make sure handle_accepted() is called when a client connects class TestListener(BaseTestHandler): def __init__(self, family, addr): BaseTestHandler.__init__(self) self.create_socket(family) bind_af_aware(self.socket, addr) self.listen(5) self.address = self.socket.getsockname() def handle_accept(self): asyncore.dispatcher.handle_accept(self) def handle_accepted(self, sock, addr): sock.close() self.flag = True server = TestListener(self.family, self.addr) client = BaseClient(self.family, server.address) self.loop_waiting_for_flag(server) def test_handle_read(self): # make sure handle_read is called on data received class TestClient(BaseClient): def handle_read(self): self.flag = True class TestHandler(BaseTestHandler): def __init__(self, conn): BaseTestHandler.__init__(self, conn) self.send(b'x' * 1024) server = BaseServer(self.family, self.addr, TestHandler) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_write(self): # make sure handle_write is called class TestClient(BaseClient): def handle_write(self): self.flag = True server = BaseServer(self.family, self.addr) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_close(self): # make sure handle_close is called when the other end closes # the connection class TestClient(BaseClient): def handle_read(self): # in order to make handle_close be called we are supposed # to make at least one recv() call self.recv(1024) def handle_close(self): self.flag = True self.close() class TestHandler(BaseTestHandler): def __init__(self, conn): BaseTestHandler.__init__(self, conn) self.close() server = BaseServer(self.family, self.addr, TestHandler) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_close_after_conn_broken(self): # Check that ECONNRESET/EPIPE is correctly handled (issues #5661 and # #11265). data = b'\0' * 128 class TestClient(BaseClient): def handle_write(self): self.send(data) def handle_close(self): self.flag = True self.close() def handle_expt(self): self.flag = True self.close() class TestHandler(BaseTestHandler): def handle_read(self): self.recv(len(data)) self.close() def writable(self): return False server = BaseServer(self.family, self.addr, TestHandler) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) @unittest.skipIf(sys.platform.startswith("sunos"), "OOB support is broken on Solaris") def test_handle_expt(self): # Make sure handle_expt is called on OOB data received. # Note: this might fail on some platforms as OOB data is # tenuously supported and rarely used. if HAS_UNIX_SOCKETS and self.family == socket.AF_UNIX: self.skipTest("Not applicable to AF_UNIX sockets.") if sys.platform == "darwin" and self.use_poll: self.skipTest("poll may fail on macOS; see issue #28087") class TestClient(BaseClient): def handle_expt(self): self.socket.recv(1024, socket.MSG_OOB) self.flag = True class TestHandler(BaseTestHandler): def __init__(self, conn): BaseTestHandler.__init__(self, conn) self.socket.send(bytes(chr(244), 'latin-1'), socket.MSG_OOB) server = BaseServer(self.family, self.addr, TestHandler) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_error(self): class TestClient(BaseClient): def handle_write(self): 1.0 / 0 def handle_error(self): self.flag = True try: raise except ZeroDivisionError: pass else: raise Exception("exception not raised") server = BaseServer(self.family, self.addr) client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_connection_attributes(self): server = BaseServer(self.family, self.addr) client = BaseClient(self.family, server.address) # we start disconnected self.assertFalse(server.connected) self.assertTrue(server.accepting) # this can't be taken for granted across all platforms #self.assertFalse(client.connected) self.assertFalse(client.accepting) # execute some loops so that client connects to server asyncore.loop(timeout=0.01, use_poll=self.use_poll, count=100) self.assertFalse(server.connected) self.assertTrue(server.accepting) self.assertTrue(client.connected) self.assertFalse(client.accepting) # disconnect the client client.close() self.assertFalse(server.connected) self.assertTrue(server.accepting) self.assertFalse(client.connected) self.assertFalse(client.accepting) # stop serving server.close() self.assertFalse(server.connected) self.assertFalse(server.accepting) def test_create_socket(self): s = asyncore.dispatcher() s.create_socket(self.family) self.assertEqual(s.socket.type, socket.SOCK_STREAM) self.assertEqual(s.socket.family, self.family) self.assertEqual(s.socket.gettimeout(), 0) self.assertFalse(s.socket.get_inheritable()) def test_bind(self): if HAS_UNIX_SOCKETS and self.family == socket.AF_UNIX: self.skipTest("Not applicable to AF_UNIX sockets.") s1 = asyncore.dispatcher() s1.create_socket(self.family) s1.bind(self.addr) s1.listen(5) port = s1.socket.getsockname()[1] s2 = asyncore.dispatcher() s2.create_socket(self.family) # EADDRINUSE indicates the socket was correctly bound self.assertRaises(OSError, s2.bind, (self.addr[0], port)) def test_set_reuse_addr(self): if HAS_UNIX_SOCKETS and self.family == socket.AF_UNIX: self.skipTest("Not applicable to AF_UNIX sockets.") with socket.socket(self.family) as sock: try: sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) except OSError: unittest.skip("SO_REUSEADDR not supported on this platform") else: # if SO_REUSEADDR succeeded for sock we expect asyncore # to do the same s = asyncore.dispatcher(socket.socket(self.family)) self.assertFalse(s.socket.getsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR)) s.socket.close() s.create_socket(self.family) s.set_reuse_addr() self.assertTrue(s.socket.getsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR)) @support.reap_threads def test_quick_connect(self): # see: http://bugs.python.org/issue10340 if self.family not in (socket.AF_INET, getattr(socket, "AF_INET6", object())): self.skipTest("test specific to AF_INET and AF_INET6") server = BaseServer(self.family, self.addr) # run the thread 500 ms: the socket should be connected in 200 ms t = threading.Thread(target=lambda: asyncore.loop(timeout=0.1, count=5)) t.start() try: with socket.socket(self.family, socket.SOCK_STREAM) as s: s.settimeout(.2) s.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER, struct.pack('ii', 1, 0)) try: s.connect(server.address) except OSError: pass finally: support.join_thread(t) class TestAPI_UseIPv4Sockets(BaseTestAPI): family = socket.AF_INET addr = (socket_helper.HOST, 0) @unittest.skipUnless(socket_helper.IPV6_ENABLED, 'IPv6 support required') class TestAPI_UseIPv6Sockets(BaseTestAPI): family = socket.AF_INET6 addr = (socket_helper.HOSTv6, 0) @unittest.skipUnless(HAS_UNIX_SOCKETS, 'Unix sockets required') class TestAPI_UseUnixSockets(BaseTestAPI): if HAS_UNIX_SOCKETS: family = socket.AF_UNIX addr = support.TESTFN def tearDown(self): support.unlink(self.addr) BaseTestAPI.tearDown(self) class TestAPI_UseIPv4Select(TestAPI_UseIPv4Sockets, unittest.TestCase): use_poll = False @unittest.skipUnless(hasattr(select, 'poll'), 'select.poll required') class TestAPI_UseIPv4Poll(TestAPI_UseIPv4Sockets, unittest.TestCase): use_poll = True class TestAPI_UseIPv6Select(TestAPI_UseIPv6Sockets, unittest.TestCase): use_poll = False @unittest.skipUnless(hasattr(select, 'poll'), 'select.poll required') class TestAPI_UseIPv6Poll(TestAPI_UseIPv6Sockets, unittest.TestCase): use_poll = True class TestAPI_UseUnixSocketsSelect(TestAPI_UseUnixSockets, unittest.TestCase): use_poll = False @unittest.skipUnless(hasattr(select, 'poll'), 'select.poll required') class TestAPI_UseUnixSocketsPoll(TestAPI_UseUnixSockets, unittest.TestCase): use_poll = True if __name__ == "__main__": unittest.main()