60
73
def handle_one_request(self):
61
74
"""Handle a single HTTP request.
63
You normally don't need to override this method; see the class
64
__doc__ string for information on how to handle specific HTTP
65
commands such as GET and POST.
76
We catch all socket errors occurring when the client close the
77
connection early to avoid polluting the test results.
68
for i in xrange(1,11): # Don't try more than 10 times
70
self.raw_requestline = self.rfile.readline()
71
except socket.error, e:
72
if e.args[0] in (errno.EAGAIN, errno.EWOULDBLOCK):
73
# omitted for now because some tests look at the log of
74
# the server and expect to see no errors. see recent
75
# email thread. -- mbp 20051021.
76
## self.log_message('EAGAIN (%d) while reading from raw_requestline' % i)
82
if not self.raw_requestline:
80
SimpleHTTPServer.SimpleHTTPRequestHandler.handle_one_request(self)
81
except socket.error, e:
82
# Any socket error should close the connection, but some errors are
83
# due to the client closing early and we don't want to pollute test
84
# results, so we raise only the others.
83
85
self.close_connection = 1
85
if not self.parse_request(): # An error code has been sent, just exit
87
mname = 'do_' + self.command
88
if getattr(self, mname, None) is None:
89
self.send_error(501, "Unsupported method (%r)" % self.command)
91
method = getattr(self, mname)
87
or e.args[0] not in (errno.EPIPE, errno.ECONNRESET,
88
errno.ECONNABORTED, errno.EBADF)):
94
91
_range_regexp = re.compile(r'^(?P<start>\d+)-(?P<end>\d+)$')
95
92
_tail_regexp = re.compile(r'^-(?P<tail>\d+)$')
147
164
def get_multiple_ranges(self, file, file_size, ranges):
148
165
self.send_response(206)
149
166
self.send_header('Accept-Ranges', 'bytes')
150
boundary = "%d" % random.randint(0,0x7FFFFFFF)
151
self.send_header("Content-Type",
152
"multipart/byteranges; boundary=%s" % boundary)
167
boundary = '%d' % random.randint(0,0x7FFFFFFF)
168
self.send_header('Content-Type',
169
'multipart/byteranges; boundary=%s' % boundary)
170
boundary_line = '--%s\r\n' % boundary
171
# Calculate the Content-Length
173
for (start, end) in ranges:
174
content_length += len(boundary_line)
175
content_length += self._header_line_length(
176
'Content-type', 'application/octet-stream')
177
content_length += self._header_line_length(
178
'Content-Range', 'bytes %d-%d/%d' % (start, end, file_size))
179
content_length += len('\r\n') # end headers
180
content_length += end - start + 1
181
content_length += len(boundary_line)
182
self.send_header('Content-length', content_length)
153
183
self.end_headers()
185
# Send the multipart body
154
186
for (start, end) in ranges:
155
self.wfile.write("--%s\r\n" % boundary)
156
self.send_header("Content-type", 'application/octet-stream')
157
self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
187
self.wfile.write(boundary_line)
188
self.send_header('Content-type', 'application/octet-stream')
189
self.send_header('Content-Range', 'bytes %d-%d/%d'
190
% (start, end, file_size))
160
191
self.end_headers()
161
192
self.send_range_content(file, start, end - start + 1)
162
self.wfile.write("--%s\r\n" % boundary)
194
self.wfile.write(boundary_line)
164
196
def do_GET(self):
165
197
"""Serve a GET request.
167
199
Handles the Range header.
202
self.server.test_case_server.GET_request_nb += 1
170
204
path = self.translate_path(self.path)
171
205
ranges_header_value = self.headers.get('Range')
172
206
if ranges_header_value is None or os.path.isdir(path):
173
207
# Let the mother class handle most cases
174
return SimpleHTTPRequestHandler.do_GET(self)
208
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
177
211
# Always read in binary mode. Opening files in text
248
282
return self._translate_path(path)
250
284
def _translate_path(self, path):
251
return SimpleHTTPRequestHandler.translate_path(self, path)
253
if sys.platform == 'win32':
254
# On win32 you cannot access non-ascii filenames without
255
# decoding them into unicode first.
256
# However, under Linux, you can access bytestream paths
257
# without any problems. If this function was always active
258
# it would probably break tests when LANG=C was set
259
def _translate_path(self, path):
260
"""Translate a /-separated PATH to the local filename syntax.
262
For bzr, all url paths are considered to be utf8 paths.
263
On Linux, you can access these paths directly over the bytestream
264
request, but on win32, you must decode them, and access them
267
# abandon query parameters
268
path = urlparse.urlparse(path)[2]
269
path = posixpath.normpath(urllib.unquote(path))
270
path = path.decode('utf-8')
271
words = path.split('/')
272
words = filter(None, words)
285
"""Translate a /-separated PATH to the local filename syntax.
287
Note that we're translating http URLs here, not file URLs.
288
The URL root location is the server's startup directory.
289
Components that mean special things to the local file system
290
(e.g. drive or directory names) are ignored. (XXX They should
291
probably be diagnosed.)
293
Override from python standard library to stop it calling os.getcwd()
295
# abandon query parameters
296
path = urlparse.urlparse(path)[2]
297
path = posixpath.normpath(urllib.unquote(path))
298
path = path.decode('utf-8')
299
words = path.split('/')
300
words = filter(None, words)
302
for num, word in enumerate(words):
275
304
drive, word = os.path.splitdrive(word)
276
head, word = os.path.split(word)
277
if word in (os.curdir, os.pardir): continue
278
path = os.path.join(path, word)
282
class TestingHTTPServer(BaseHTTPServer.HTTPServer):
284
def __init__(self, server_address, RequestHandlerClass,
286
BaseHTTPServer.HTTPServer.__init__(self, server_address,
305
head, word = os.path.split(word)
306
if word in (os.curdir, os.pardir): continue
307
path = os.path.join(path, word)
311
class TestingHTTPServerMixin:
313
def __init__(self, test_case_server):
288
314
# test_case_server can be used to communicate between the
289
315
# tests and the server (or the request handler and the
290
316
# server), allowing dynamic behaviors to be defined from
291
317
# the tests cases.
292
318
self.test_case_server = test_case_server
295
class HttpServer(Server):
319
self._home_dir = test_case_server._home_dir
322
"""Called to clean-up the server.
324
Since the server may be (surely is, even) in a blocking listen, we
325
shutdown its socket before closing it.
327
# Note that is this executed as part of the implicit tear down in the
328
# main thread while the server runs in its own thread. The clean way
329
# to tear down the server is to instruct him to stop accepting
330
# connections and wait for the current connection(s) to end
331
# naturally. To end the connection naturally, the http transports
332
# should close their socket when they do not need to talk to the
333
# server anymore. This happens naturally during the garbage collection
334
# phase of the test transport objetcs (the server clients), so we
335
# don't have to worry about them. So, for the server, we must tear
336
# down here, from the main thread, when the test have ended. Note
337
# that since the server is in a blocking operation and since python
338
# use select internally, shutting down the socket is reliable and
341
self.socket.shutdown(socket.SHUT_RDWR)
342
except socket.error, e:
343
# WSAENOTCONN (10057) 'Socket is not connected' is harmless on
344
# windows (occurs before the first connection attempt
347
# 'Socket is not connected' can also occur on OSX, with a
348
# "regular" ENOTCONN (when something went wrong during test case
349
# setup leading to self.setUp() *not* being called but
350
# self.tearDown() still being called -- vila20081106
351
if not len(e.args) or e.args[0] not in (errno.ENOTCONN, 10057):
353
# Let the server properly close the socket
357
class TestingHTTPServer(SocketServer.TCPServer, TestingHTTPServerMixin):
359
def __init__(self, server_address, request_handler_class,
361
TestingHTTPServerMixin.__init__(self, test_case_server)
362
SocketServer.TCPServer.__init__(self, server_address,
363
request_handler_class)
366
class TestingThreadingHTTPServer(SocketServer.ThreadingTCPServer,
367
TestingHTTPServerMixin):
368
"""A threading HTTP test server for HTTP 1.1.
370
Since tests can initiate several concurrent connections to the same http
371
server, we need an independent connection for each of them. We achieve that
372
by spawning a new thread for each connection.
375
def __init__(self, server_address, request_handler_class,
377
TestingHTTPServerMixin.__init__(self, test_case_server)
378
SocketServer.ThreadingTCPServer.__init__(self, server_address,
379
request_handler_class)
380
# Decides how threads will act upon termination of the main
381
# process. This is prophylactic as we should not leave the threads
383
self.daemon_threads = True
385
def process_request_thread(self, request, client_address):
386
SocketServer.ThreadingTCPServer.process_request_thread(
387
self, request, client_address)
388
# Under some circumstances (as in bug #383920), we need to force the
389
# shutdown as python delays it until gc occur otherwise and the client
392
# The request process has been completed, the thread is about to
393
# die, let's shutdown the socket if we can.
394
request.shutdown(socket.SHUT_RDWR)
395
except (socket.error, select.error), e:
396
if e[0] in (errno.EBADF, errno.ENOTCONN):
397
# Right, the socket is already down
403
class HttpServer(transport.Server):
296
404
"""A test server for http transports.
298
406
Subclasses can provide a specific request handler.
409
# The real servers depending on the protocol
410
http_server_class = {'HTTP/1.0': TestingHTTPServer,
411
'HTTP/1.1': TestingThreadingHTTPServer,
301
414
# Whether or not we proxy the requests (see
302
415
# TestingHTTPRequestHandler.translate_path).
303
416
proxy_requests = False
305
418
# used to form the url that connects to this server
306
419
_url_protocol = 'http'
308
# Subclasses can provide a specific request handler
309
def __init__(self, request_handler=TestingHTTPRequestHandler):
310
Server.__init__(self)
421
def __init__(self, request_handler=TestingHTTPRequestHandler,
422
protocol_version=None):
425
:param request_handler: a class that will be instantiated to handle an
426
http connection (one or several requests).
428
:param protocol_version: if specified, will override the protocol
429
version of the request handler.
431
transport.Server.__init__(self)
311
432
self.request_handler = request_handler
312
433
self.host = 'localhost'
314
435
self._httpd = None
436
self.protocol_version = protocol_version
437
# Allows tests to verify number of GET requests issued
438
self.GET_request_nb = 0
440
def create_httpd(self, serv_cls, rhandler_cls):
441
return serv_cls((self.host, self.port), self.request_handler, self)
444
return "%s(%s:%s)" % \
445
(self.__class__.__name__, self.host, self.port)
316
447
def _get_httpd(self):
317
448
if self._httpd is None:
318
self._httpd = TestingHTTPServer((self.host, self.port),
319
self.request_handler,
449
rhandler = self.request_handler
450
# Depending on the protocol version, we will create the approriate
452
if self.protocol_version is None:
453
# Use the request handler one
454
proto_vers = rhandler.protocol_version
456
# Use our own, it will be used to override the request handler
458
proto_vers = self.protocol_version
459
# Create the appropriate server for the required protocol
460
serv_cls = self.http_server_class.get(proto_vers, None)
462
raise httplib.UnknownProtocol(proto_vers)
464
self._httpd = self.create_httpd(serv_cls, rhandler)
321
465
host, self.port = self._httpd.socket.getsockname()
322
466
return self._httpd
324
468
def _http_start(self):
325
httpd = self._get_httpd()
326
self._http_base_url = '%s://%s:%s/' % (self._url_protocol,
329
self._http_starting.release()
330
httpd.socket.settimeout(0.1)
469
"""Server thread main entry point. """
470
self._http_running = False
473
httpd = self._get_httpd()
474
self._http_base_url = '%s://%s:%s/' % (self._url_protocol,
475
self.host, self.port)
476
self._http_running = True
478
# Whatever goes wrong, we save the exception for the main
479
# thread. Note that since we are running in a thread, no signal
480
# can be received, so we don't care about KeyboardInterrupt.
481
self._http_exception = sys.exc_info()
483
# Release the lock or the main thread will block and the whole
485
self._http_starting.release()
487
# From now on, exceptions are taken care of by the
488
# SocketServer.BaseServer or the request handler.
332
489
while self._http_running:
491
# Really an HTTP connection but the python framework is generic
492
# and call them requests
334
493
httpd.handle_request()
335
494
except socket.timeout:
496
except (socket.error, select.error), e:
497
if e[0] == errno.EBADF:
498
# Starting with python-2.6, handle_request may raise socket
499
# or select exceptions when the server is shut down (as we
338
505
def _get_remote_url(self, path):
339
506
path_parts = path.split(os.path.sep)
354
521
def setUp(self, backing_transport_server=None):
355
522
"""See bzrlib.transport.Server.setUp.
357
524
:param backing_transport_server: The transport that requests over this
358
525
protocol should be forwarded to. Note that this is currently not
359
526
supported for HTTP.
361
528
# XXX: TODO: make the server back onto vfs_server rather than local
363
assert backing_transport_server is None or \
364
isinstance(backing_transport_server, LocalURLServer), \
365
"HTTPServer currently assumes local transport, got %s" % \
366
backing_transport_server
530
if not (backing_transport_server is None or \
531
isinstance(backing_transport_server, local.LocalURLServer)):
532
raise AssertionError(
533
"HTTPServer currently assumes local transport, got %s" % \
534
backing_transport_server)
367
535
self._home_dir = os.getcwdu()
368
536
self._local_path_parts = self._home_dir.split(os.path.sep)
537
self._http_base_url = None
539
# Create the server thread
369
540
self._http_starting = threading.Lock()
370
541
self._http_starting.acquire()
371
self._http_running = True
372
self._http_base_url = None
373
542
self._http_thread = threading.Thread(target=self._http_start)
374
543
self._http_thread.setDaemon(True)
544
self._http_exception = None
375
545
self._http_thread.start()
376
547
# Wait for the server thread to start (i.e release the lock)
377
548
self._http_starting.acquire()
550
if self._http_exception is not None:
551
# Something went wrong during server start
552
exc_class, exc_value, exc_tb = self._http_exception
553
raise exc_class, exc_value, exc_tb
378
554
self._http_starting.release()
381
557
def tearDown(self):
382
558
"""See bzrlib.transport.Server.tearDown."""
559
self._httpd.tearDown()
383
560
self._http_running = False
384
self._http_thread.join()
561
# We don't need to 'self._http_thread.join()' here since the thread is
562
# a daemonic one and will be garbage collected anyway. Joining just
563
# slows us down for no added benefit.
386
565
def get_url(self):
387
566
"""See bzrlib.transport.Server.get_url."""