207
240
These are all empty initially, because by default nothing should get
211
self.create_hook(HookPoint('server_started',
243
Hooks.__init__(self, "bzrlib.smart.server", "SmartTCPServer.hooks")
244
self.add_hook('server_started',
212
245
"Called by the bzr server when it starts serving a directory. "
213
246
"server_started is called with (backing urls, public url), "
214
247
"where backing_url is a list of URLs giving the "
215
248
"server-specific directory locations, and public_url is the "
216
"public URL for the directory being served.", (0, 16), None))
217
self.create_hook(HookPoint('server_stopped',
249
"public URL for the directory being served.", (0, 16))
250
self.add_hook('server_started_ex',
251
"Called by the bzr server when it starts serving a directory. "
252
"server_started is called with (backing_urls, server_obj).",
254
self.add_hook('server_stopped',
218
255
"Called by the bzr server when it stops serving a directory. "
219
256
"server_stopped is called with the same parameters as the "
220
"server_started hook: (backing_urls, public_url).", (0, 16), None))
257
"server_started hook: (backing_urls, public_url).", (0, 16))
258
self.add_hook('server_exception',
259
"Called by the bzr server when an exception occurs. "
260
"server_exception is called with the sys.exc_info() tuple "
261
"return true for the hook if the exception has been handled, "
262
"in which case the server will exit normally.", (2, 4))
222
264
SmartTCPServer.hooks = SmartServerHooks()
225
class SmartTCPServer_for_testing(SmartTCPServer):
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"""Server suitable for use by transport tests.
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This server is backed by the process's cwd.
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def _local_path_for_transport(transport):
268
"""Return a local path for transport, if reasonably possible.
270
This function works even if transport's url has a "readonly+" prefix,
271
unlike local_path_from_url.
273
This essentially recovers the --directory argument the user passed to "bzr
274
serve" from the transport passed to serve_bzr.
231
def __init__(self, thread_name_suffix=''):
232
SmartTCPServer.__init__(self, None)
233
self.client_path_extra = None
234
self.thread_name_suffix = thread_name_suffix
236
def get_backing_transport(self, backing_transport_server):
237
"""Get a backing transport from a server we are decorating."""
238
return transport.get_transport(backing_transport_server.get_url())
240
def setUp(self, backing_transport_server=None,
241
client_path_extra='/extra/'):
242
"""Set up server for testing.
244
:param backing_transport_server: backing server to use. If not
245
specified, a LocalURLServer at the current working directory will
247
:param client_path_extra: a path segment starting with '/' to append to
248
the root URL for this server. For instance, a value of '/foo/bar/'
249
will mean the root of the backing transport will be published at a
250
URL like `bzr://127.0.0.1:nnnn/foo/bar/`, rather than
251
`bzr://127.0.0.1:nnnn/`. Default value is `extra`, so that tests
252
by default will fail unless they do the necessary path translation.
277
base_url = transport.external_url()
278
except (errors.InProcessTransport, NotImplementedError):
281
# Strip readonly prefix
282
if base_url.startswith('readonly+'):
283
base_url = base_url[len('readonly+'):]
285
return urlutils.local_path_from_url(base_url)
286
except errors.InvalidURL:
290
class BzrServerFactory(object):
291
"""Helper class for serve_bzr."""
293
def __init__(self, userdir_expander=None, get_base_path=None):
295
self.base_path = None
296
self.backing_transport = None
297
if userdir_expander is None:
298
userdir_expander = os.path.expanduser
299
self.userdir_expander = userdir_expander
300
if get_base_path is None:
301
get_base_path = _local_path_for_transport
302
self.get_base_path = get_base_path
304
def _expand_userdirs(self, path):
305
"""Translate /~/ or /~user/ to e.g. /home/foo, using
306
self.userdir_expander (os.path.expanduser by default).
308
If the translated path would fall outside base_path, or the path does
309
not start with ~, then no translation is applied.
311
If the path is inside, it is adjusted to be relative to the base path.
313
e.g. if base_path is /home, and the expanded path is /home/joe, then
314
the translated path is joe.
254
if not client_path_extra.startswith('/'):
255
raise ValueError(client_path_extra)
256
from bzrlib.transport.chroot import ChrootServer
257
if backing_transport_server is None:
258
from bzrlib.transport.local import LocalURLServer
259
backing_transport_server = LocalURLServer()
260
self.chroot_server = ChrootServer(
261
self.get_backing_transport(backing_transport_server))
262
self.chroot_server.setUp()
263
self.backing_transport = transport.get_transport(
264
self.chroot_server.get_url())
265
self.root_client_path = self.client_path_extra = client_path_extra
266
self.start_background_thread(self.thread_name_suffix)
269
self.stop_background_thread()
270
self.chroot_server.tearDown()
273
url = super(SmartTCPServer_for_testing, self).get_url()
274
return url[:-1] + self.client_path_extra
276
def get_bogus_url(self):
277
"""Return a URL which will fail to connect"""
278
return 'bzr://127.0.0.1:1/'
281
class ReadonlySmartTCPServer_for_testing(SmartTCPServer_for_testing):
282
"""Get a readonly server for testing."""
284
def get_backing_transport(self, backing_transport_server):
285
"""Get a backing transport from a server we are decorating."""
286
url = 'readonly+' + backing_transport_server.get_url()
287
return transport.get_transport(url)
290
class SmartTCPServer_for_testing_v2_only(SmartTCPServer_for_testing):
291
"""A variation of SmartTCPServer_for_testing that limits the client to
292
using RPCs in protocol v2 (i.e. bzr <= 1.5).
317
if path.startswith('~'):
318
expanded = self.userdir_expander(path)
319
if not expanded.endswith('/'):
321
if expanded.startswith(self.base_path):
322
result = expanded[len(self.base_path):]
325
def _make_expand_userdirs_filter(self, transport):
326
return pathfilter.PathFilteringServer(transport, self._expand_userdirs)
328
def _make_backing_transport(self, transport):
329
"""Chroot transport, and decorate with userdir expander."""
330
self.base_path = self.get_base_path(transport)
331
chroot_server = chroot.ChrootServer(transport)
332
chroot_server.start_server()
333
self.cleanups.append(chroot_server.stop_server)
334
transport = _mod_transport.get_transport_from_url(chroot_server.get_url())
335
if self.base_path is not None:
336
# Decorate the server's backing transport with a filter that can
338
expand_userdirs = self._make_expand_userdirs_filter(transport)
339
expand_userdirs.start_server()
340
self.cleanups.append(expand_userdirs.stop_server)
341
transport = _mod_transport.get_transport_from_url(expand_userdirs.get_url())
342
self.transport = transport
344
def _make_smart_server(self, host, port, inet):
346
smart_server = medium.SmartServerPipeStreamMedium(
347
sys.stdin, sys.stdout, self.transport)
350
host = medium.BZR_DEFAULT_INTERFACE
352
port = medium.BZR_DEFAULT_PORT
353
smart_server = SmartTCPServer(self.transport)
354
smart_server.start_server(host, port)
355
trace.note(gettext('listening on port: %s') % smart_server.port)
356
self.smart_server = smart_server
358
def _change_globals(self):
359
from bzrlib import lockdir, ui
360
# For the duration of this server, no UI output is permitted. note
361
# that this may cause problems with blackbox tests. This should be
362
# changed with care though, as we dont want to use bandwidth sending
363
# progress over stderr to smart server clients!
364
old_factory = ui.ui_factory
365
old_lockdir_timeout = lockdir._DEFAULT_TIMEOUT_SECONDS
366
def restore_default_ui_factory_and_lockdir_timeout():
367
ui.ui_factory = old_factory
368
lockdir._DEFAULT_TIMEOUT_SECONDS = old_lockdir_timeout
369
self.cleanups.append(restore_default_ui_factory_and_lockdir_timeout)
370
ui.ui_factory = ui.SilentUIFactory()
371
lockdir._DEFAULT_TIMEOUT_SECONDS = 0
373
def set_up(self, transport, host, port, inet):
374
self._make_backing_transport(transport)
375
self._make_smart_server(host, port, inet)
376
self._change_globals()
379
for cleanup in reversed(self.cleanups):
382
def serve_bzr(transport, host=None, port=None, inet=False):
383
"""This is the default implementation of 'bzr serve'.
385
It creates a TCP or pipe smart server on 'transport, and runs it. The
386
transport will be decorated with a chroot and pathfilter (using
296
url = super(SmartTCPServer_for_testing_v2_only, self).get_url()
297
url = 'bzr-v2://' + url[len('bzr://'):]
301
class ReadonlySmartTCPServer_for_testing_v2_only(SmartTCPServer_for_testing_v2_only):
302
"""Get a readonly server for testing."""
304
def get_backing_transport(self, backing_transport_server):
305
"""Get a backing transport from a server we are decorating."""
306
url = 'readonly+' + backing_transport_server.get_url()
307
return transport.get_transport(url)
389
bzr_server = BzrServerFactory()
391
bzr_server.set_up(transport, host, port, inet)
392
bzr_server.smart_server.serve()
394
hook_caught_exception = False
395
for hook in SmartTCPServer.hooks['server_exception']:
396
hook_caught_exception = hook(sys.exc_info())
397
if not hook_caught_exception:
400
bzr_server.tear_down()