164
142
def get_multiple_ranges(self, file, file_size, ranges):
165
143
self.send_response(206)
166
144
self.send_header('Accept-Ranges', 'bytes')
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)
145
boundary = "%d" % random.randint(0,0x7FFFFFFF)
146
self.send_header("Content-Type",
147
"multipart/byteranges; boundary=%s" % boundary)
183
148
self.end_headers()
185
# Send the multipart body
186
149
for (start, end) in ranges:
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))
150
self.wfile.write("--%s\r\n" % boundary)
151
self.send_header("Content-type", 'application/octet-stream')
152
self.send_header("Content-Range", "bytes %d-%d/%d" % (start,
191
155
self.end_headers()
192
156
self.send_range_content(file, start, end - start + 1)
194
self.wfile.write(boundary_line)
157
self.wfile.write("--%s\r\n" % boundary)
196
159
def do_GET(self):
197
160
"""Serve a GET request.
199
162
Handles the Range header.
202
self.server.test_case_server.GET_request_nb += 1
204
165
path = self.translate_path(self.path)
205
166
ranges_header_value = self.headers.get('Range')
206
167
if ranges_header_value is None or os.path.isdir(path):
207
168
# Let the mother class handle most cases
208
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
169
return SimpleHTTPRequestHandler.do_GET(self)
211
172
# Always read in binary mode. Opening files in text
258
219
self.get_multiple_ranges(file, file_size, ranges)
261
def translate_path(self, path):
262
"""Translate a /-separated PATH to the local filename syntax.
264
If the server requires it, proxy the path before the usual translation
266
if self.server.test_case_server.proxy_requests:
267
# We need to act as a proxy and accept absolute urls,
268
# which SimpleHTTPRequestHandler (parent) is not
269
# ready for. So we just drop the protocol://host:port
270
# part in front of the request-url (because we know
271
# we would not forward the request to *another*
274
# So we do what SimpleHTTPRequestHandler.translate_path
275
# do beginning with python 2.4.3: abandon query
276
# parameters, scheme, host port, etc (which ensure we
277
# provide the right behaviour on all python versions).
222
if sys.platform == 'win32':
223
# On win32 you cannot access non-ascii filenames without
224
# decoding them into unicode first.
225
# However, under Linux, you can access bytestream paths
226
# without any problems. If this function was always active
227
# it would probably break tests when LANG=C was set
228
def translate_path(self, path):
229
"""Translate a /-separated PATH to the local filename syntax.
231
For bzr, all url paths are considered to be utf8 paths.
232
On Linux, you can access these paths directly over the bytestream
233
request, but on win32, you must decode them, and access them
236
# abandon query parameters
278
237
path = urlparse.urlparse(path)[2]
279
# And now, we can apply *our* trick to proxy files
282
return self._translate_path(path)
284
def _translate_path(self, path):
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):
238
path = posixpath.normpath(urllib.unquote(path))
239
path = path.decode('utf-8')
240
words = path.split('/')
241
words = filter(None, words)
304
244
drive, word = os.path.splitdrive(word)
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):
245
head, word = os.path.split(word)
246
if word in (os.curdir, os.pardir): continue
247
path = os.path.join(path, word)
251
class TestingHTTPServer(BaseHTTPServer.HTTPServer):
253
def __init__(self, server_address, RequestHandlerClass,
255
BaseHTTPServer.HTTPServer.__init__(self, server_address,
314
257
# test_case_server can be used to communicate between the
315
258
# tests and the server (or the request handler and the
316
259
# server), allowing dynamic behaviors to be defined from
317
260
# the tests cases.
318
261
self.test_case_server = test_case_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
386
class HttpServer(transport.Server):
264
class HttpServer(Server):
387
265
"""A test server for http transports.
389
267
Subclasses can provide a specific request handler.
392
# The real servers depending on the protocol
393
http_server_class = {'HTTP/1.0': TestingHTTPServer,
394
'HTTP/1.1': TestingThreadingHTTPServer,
397
# Whether or not we proxy the requests (see
398
# TestingHTTPRequestHandler.translate_path).
399
proxy_requests = False
401
270
# used to form the url that connects to this server
402
271
_url_protocol = 'http'
404
def __init__(self, request_handler=TestingHTTPRequestHandler,
405
protocol_version=None):
408
:param request_handler: a class that will be instantiated to handle an
409
http connection (one or several requests).
411
:param protocol_version: if specified, will override the protocol
412
version of the request handler.
414
transport.Server.__init__(self)
273
# Subclasses can provide a specific request handler
274
def __init__(self, request_handler=TestingHTTPRequestHandler):
275
Server.__init__(self)
415
276
self.request_handler = request_handler
416
277
self.host = 'localhost'
418
279
self._httpd = None
419
self.protocol_version = protocol_version
420
# Allows tests to verify number of GET requests issued
421
self.GET_request_nb = 0
423
def create_httpd(self, serv_cls, rhandler_cls):
424
return serv_cls((self.host, self.port), self.request_handler, self)
427
return "%s(%s:%s)" % \
428
(self.__class__.__name__, self.host, self.port)
430
281
def _get_httpd(self):
431
282
if self._httpd is None:
432
rhandler = self.request_handler
433
# Depending on the protocol version, we will create the approriate
435
if self.protocol_version is None:
436
# Use the request handler one
437
proto_vers = rhandler.protocol_version
439
# Use our own, it will be used to override the request handler
441
proto_vers = self.protocol_version
442
# Create the appropriate server for the required protocol
443
serv_cls = self.http_server_class.get(proto_vers, None)
445
raise httplib.UnknownProtocol(proto_vers)
447
self._httpd = self.create_httpd(serv_cls, rhandler)
283
self._httpd = TestingHTTPServer((self.host, self.port),
284
self.request_handler,
448
286
host, self.port = self._httpd.socket.getsockname()
449
287
return self._httpd
451
289
def _http_start(self):
452
"""Server thread main entry point. """
453
self._http_running = False
456
httpd = self._get_httpd()
457
self._http_base_url = '%s://%s:%s/' % (self._url_protocol,
458
self.host, self.port)
459
self._http_running = True
461
# Whatever goes wrong, we save the exception for the main
462
# thread. Note that since we are running in a thread, no signal
463
# can be received, so we don't care about KeyboardInterrupt.
464
self._http_exception = sys.exc_info()
466
# Release the lock or the main thread will block and the whole
468
self._http_starting.release()
290
httpd = self._get_httpd()
291
self._http_base_url = '%s://%s:%s/' % (self._url_protocol,
294
self._http_starting.release()
295
httpd.socket.settimeout(0.1)
470
# From now on, exceptions are taken care of by the
471
# SocketServer.BaseServer or the request handler.
472
297
while self._http_running:
474
# Really an HTTP connection but the python framework is generic
475
# and call them requests
476
299
httpd.handle_request()
477
300
except socket.timeout:
479
except (socket.error, select.error), e:
480
if e[0] == errno.EBADF:
481
# Starting with python-2.6, handle_request may raise socket
482
# or select exceptions when the server is shut down (as we
488
303
def _get_remote_url(self, path):
489
304
path_parts = path.split(os.path.sep)
504
319
def setUp(self, backing_transport_server=None):
505
320
"""See bzrlib.transport.Server.setUp.
507
322
:param backing_transport_server: The transport that requests over this
508
323
protocol should be forwarded to. Note that this is currently not
509
324
supported for HTTP.
511
326
# XXX: TODO: make the server back onto vfs_server rather than local
513
if not (backing_transport_server is None or \
514
isinstance(backing_transport_server, local.LocalURLServer)):
515
raise AssertionError(
516
"HTTPServer currently assumes local transport, got %s" % \
517
backing_transport_server)
328
assert backing_transport_server is None or \
329
isinstance(backing_transport_server, LocalURLServer), \
330
"HTTPServer currently assumes local transport, got %s" % \
331
backing_transport_server
518
332
self._home_dir = os.getcwdu()
519
333
self._local_path_parts = self._home_dir.split(os.path.sep)
334
self._http_starting = threading.Lock()
335
self._http_starting.acquire()
336
self._http_running = True
520
337
self._http_base_url = None
522
# Create the server thread
523
self._http_starting = threading.Lock()
524
self._http_starting.acquire()
525
338
self._http_thread = threading.Thread(target=self._http_start)
526
339
self._http_thread.setDaemon(True)
527
self._http_exception = None
528
340
self._http_thread.start()
530
341
# Wait for the server thread to start (i.e release the lock)
531
342
self._http_starting.acquire()
533
if self._http_exception is not None:
534
# Something went wrong during server start
535
exc_class, exc_value, exc_tb = self._http_exception
536
raise exc_class, exc_value, exc_tb
537
343
self._http_starting.release()
540
346
def tearDown(self):
541
347
"""See bzrlib.transport.Server.tearDown."""
542
self._httpd.tearDown()
543
348
self._http_running = False
544
# We don't need to 'self._http_thread.join()' here since the thread is
545
# a daemonic one and will be garbage collected anyway. Joining just
546
# slows us down for no added benefit.
349
self._http_thread.join()
548
351
def get_url(self):
549
352
"""See bzrlib.transport.Server.get_url."""