129
162
"""Return the url of the server"""
130
163
return "bzr://%s:%d/" % self._sockname
132
def serve_conn(self, conn):
165
def serve_conn(self, conn, thread_name_suffix):
133
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# For WIN32, where the timeout value from the listening socket
134
# propogates to the newly accepted socket.
167
# propagates to the newly accepted socket.
135
168
conn.setblocking(True)
136
169
conn.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
137
handler = SmartServerSocketStreamMedium(conn, self.backing_transport)
138
connection_thread = threading.Thread(None, handler.serve, name='smart-server-child')
170
handler = medium.SmartServerSocketStreamMedium(
171
conn, self.backing_transport, self.root_client_path)
172
thread_name = 'smart-server-child' + thread_name_suffix
173
connection_thread = threading.Thread(
174
None, handler.serve, name=thread_name)
139
175
connection_thread.setDaemon(True)
140
176
connection_thread.start()
142
def start_background_thread(self):
178
def start_background_thread(self, thread_name_suffix=''):
143
179
self._started.clear()
144
180
self._server_thread = threading.Thread(None,
181
self.serve, args=(thread_name_suffix,),
146
182
name='server-' + self.get_url())
147
183
self._server_thread.setDaemon(True)
148
184
self._server_thread.start()
186
222
Hooks.__init__(self)
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# Introduced in 0.16:
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# invoked whenever the server starts serving a directory.
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# The api signature is (backing urls, public url).
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self['server_started'] = []
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# Introduced in 0.16:
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# invoked whenever the server stops serving a directory.
193
# The api signature is (backing urls, public url).
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self['server_stopped'] = []
223
self.create_hook(HookPoint('server_started',
224
"Called by the bzr server when it starts serving a directory. "
225
"server_started is called with (backing urls, public url), "
226
"where backing_url is a list of URLs giving the "
227
"server-specific directory locations, and public_url is the "
228
"public URL for the directory being served.", (0, 16), None))
229
self.create_hook(HookPoint('server_started_ex',
230
"Called by the bzr server when it starts serving a directory. "
231
"server_started is called with (backing_urls, server_obj).",
233
self.create_hook(HookPoint('server_stopped',
234
"Called by the bzr server when it stops serving a directory. "
235
"server_stopped is called with the same parameters as the "
236
"server_started hook: (backing_urls, public_url).", (0, 16), None))
196
238
SmartTCPServer.hooks = SmartServerHooks()
199
class SmartTCPServer_for_testing(SmartTCPServer):
200
"""Server suitable for use by transport tests.
202
This server is backed by the process's cwd.
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SmartTCPServer.__init__(self, None)
208
def get_backing_transport(self, backing_transport_server):
209
"""Get a backing transport from a server we are decorating."""
210
return transport.get_transport(backing_transport_server.get_url())
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def setUp(self, backing_transport_server=None):
213
"""Set up server for testing"""
214
from bzrlib.transport.chroot import ChrootServer
215
if backing_transport_server is None:
216
from bzrlib.transport.local import LocalURLServer
217
backing_transport_server = LocalURLServer()
218
self.chroot_server = ChrootServer(
219
self.get_backing_transport(backing_transport_server))
220
self.chroot_server.setUp()
221
self.backing_transport = transport.get_transport(
222
self.chroot_server.get_url())
223
self.start_background_thread()
226
self.stop_background_thread()
227
self.chroot_server.tearDown()
229
def get_bogus_url(self):
230
"""Return a URL which will fail to connect"""
231
return 'bzr://127.0.0.1:1/'
234
class ReadonlySmartTCPServer_for_testing(SmartTCPServer_for_testing):
235
"""Get a readonly server for testing."""
237
def get_backing_transport(self, backing_transport_server):
238
"""Get a backing transport from a server we are decorating."""
239
url = 'readonly+' + backing_transport_server.get_url()
240
return transport.get_transport(url)
241
def _local_path_for_transport(transport):
242
"""Return a local path for transport, if reasonably possible.
244
This function works even if transport's url has a "readonly+" prefix,
245
unlike local_path_from_url.
247
This essentially recovers the --directory argument the user passed to "bzr
248
serve" from the transport passed to serve_bzr.
251
base_url = transport.external_url()
252
except (errors.InProcessTransport, NotImplementedError):
255
# Strip readonly prefix
256
if base_url.startswith('readonly+'):
257
base_url = base_url[len('readonly+'):]
259
return urlutils.local_path_from_url(base_url)
260
except errors.InvalidURL:
264
class BzrServerFactory(object):
265
"""Helper class for serve_bzr."""
267
def __init__(self, userdir_expander=None, get_base_path=None):
269
self.base_path = None
270
self.backing_transport = None
271
if userdir_expander is None:
272
userdir_expander = os.path.expanduser
273
self.userdir_expander = userdir_expander
274
if get_base_path is None:
275
get_base_path = _local_path_for_transport
276
self.get_base_path = get_base_path
278
def _expand_userdirs(self, path):
279
"""Translate /~/ or /~user/ to e.g. /home/foo, using
280
self.userdir_expander (os.path.expanduser by default).
282
If the translated path would fall outside base_path, or the path does
283
not start with ~, then no translation is applied.
285
If the path is inside, it is adjusted to be relative to the base path.
287
e.g. if base_path is /home, and the expanded path is /home/joe, then
288
the translated path is joe.
291
if path.startswith('~'):
292
expanded = self.userdir_expander(path)
293
if not expanded.endswith('/'):
295
if expanded.startswith(self.base_path):
296
result = expanded[len(self.base_path):]
299
def _make_expand_userdirs_filter(self, transport):
300
return pathfilter.PathFilteringServer(transport, self._expand_userdirs)
302
def _make_backing_transport(self, transport):
303
"""Chroot transport, and decorate with userdir expander."""
304
self.base_path = self.get_base_path(transport)
305
chroot_server = chroot.ChrootServer(transport)
306
chroot_server.start_server()
307
self.cleanups.append(chroot_server.stop_server)
308
transport = get_transport(chroot_server.get_url())
309
if self.base_path is not None:
310
# Decorate the server's backing transport with a filter that can
312
expand_userdirs = self._make_expand_userdirs_filter(transport)
313
expand_userdirs.start_server()
314
self.cleanups.append(expand_userdirs.stop_server)
315
transport = get_transport(expand_userdirs.get_url())
316
self.transport = transport
318
def _make_smart_server(self, host, port, inet):
320
smart_server = medium.SmartServerPipeStreamMedium(
321
sys.stdin, sys.stdout, self.transport)
324
host = medium.BZR_DEFAULT_INTERFACE
326
port = medium.BZR_DEFAULT_PORT
327
smart_server = SmartTCPServer(self.transport, host=host, port=port)
328
trace.note('listening on port: %s' % smart_server.port)
329
self.smart_server = smart_server
331
def _change_globals(self):
332
from bzrlib import lockdir, ui
333
# For the duration of this server, no UI output is permitted. note
334
# that this may cause problems with blackbox tests. This should be
335
# changed with care though, as we dont want to use bandwidth sending
336
# progress over stderr to smart server clients!
337
old_factory = ui.ui_factory
338
old_lockdir_timeout = lockdir._DEFAULT_TIMEOUT_SECONDS
339
def restore_default_ui_factory_and_lockdir_timeout():
340
ui.ui_factory = old_factory
341
lockdir._DEFAULT_TIMEOUT_SECONDS = old_lockdir_timeout
342
self.cleanups.append(restore_default_ui_factory_and_lockdir_timeout)
343
ui.ui_factory = ui.SilentUIFactory()
344
lockdir._DEFAULT_TIMEOUT_SECONDS = 0
346
def set_up(self, transport, host, port, inet):
347
self._make_backing_transport(transport)
348
self._make_smart_server(host, port, inet)
349
self._change_globals()
352
for cleanup in reversed(self.cleanups):
356
def serve_bzr(transport, host=None, port=None, inet=False):
357
"""This is the default implementation of 'bzr serve'.
359
It creates a TCP or pipe smart server on 'transport, and runs it. The
360
transport will be decorated with a chroot and pathfilter (using
363
bzr_server = BzrServerFactory()
365
bzr_server.set_up(transport, host, port, inet)
366
bzr_server.smart_server.serve()
368
bzr_server.tear_down()