220
210
Hooks.__init__(self)
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self.create_hook(HookPoint('server_started',
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"Called by the bzr server when it starts serving a directory. "
223
"server_started is called with (backing urls, public url), "
224
"where backing_url is a list of URLs giving the "
225
"server-specific directory locations, and public_url is the "
226
"public URL for the directory being served.", (0, 16), None))
227
self.create_hook(HookPoint('server_started_ex',
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"Called by the bzr server when it starts serving a directory. "
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"server_started is called with (backing_urls, server_obj).",
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self.create_hook(HookPoint('server_stopped',
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"Called by the bzr server when it stops serving a directory. "
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"server_stopped is called with the same parameters as the "
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"server_started hook: (backing_urls, public_url).", (0, 16), None))
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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.
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# The api signature is (backing urls, public url).
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self['server_stopped'] = []
236
220
SmartTCPServer.hooks = SmartServerHooks()
239
223
class SmartTCPServer_for_testing(SmartTCPServer):
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224
"""Server suitable for use by transport tests.
242
226
This server is backed by the process's cwd.
321
305
return transport.get_transport(url)
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def _local_path_for_transport(transport):
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"""Return a local path for transport, if reasonably possible.
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This function works even if transport's url has a "readonly+" prefix,
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unlike local_path_from_url.
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This essentially recovers the --directory argument the user passed to "bzr
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serve" from the transport passed to serve_bzr.
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base_url = transport.external_url()
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except (errors.InProcessTransport, NotImplementedError):
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# Strip readonly prefix
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if base_url.startswith('readonly+'):
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base_url = base_url[len('readonly+'):]
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return urlutils.local_path_from_url(base_url)
343
except errors.InvalidURL:
347
class BzrServerFactory(object):
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"""Helper class for serve_bzr."""
350
def __init__(self, userdir_expander=None, get_base_path=None):
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self.base_path = None
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self.backing_transport = None
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if userdir_expander is None:
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userdir_expander = os.path.expanduser
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self.userdir_expander = userdir_expander
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if get_base_path is None:
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get_base_path = _local_path_for_transport
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self.get_base_path = get_base_path
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def _expand_userdirs(self, path):
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"""Translate /~/ or /~user/ to e.g. /home/foo, using
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self.userdir_expander (os.path.expanduser by default).
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If the translated path would fall outside base_path, or the path does
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not start with ~, then no translation is applied.
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If the path is inside, it is adjusted to be relative to the base path.
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e.g. if base_path is /home, and the expanded path is /home/joe, then
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the translated path is joe.
374
if path.startswith('~'):
375
expanded = self.userdir_expander(path)
376
if not expanded.endswith('/'):
378
if expanded.startswith(self.base_path):
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result = expanded[len(self.base_path):]
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def _make_expand_userdirs_filter(self, transport):
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return pathfilter.PathFilteringServer(transport, self._expand_userdirs)
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def _make_backing_transport(self, transport):
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"""Chroot transport, and decorate with userdir expander."""
387
self.base_path = self.get_base_path(transport)
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chroot_server = chroot.ChrootServer(transport)
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chroot_server.start_server()
390
self.cleanups.append(chroot_server.stop_server)
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transport = get_transport(chroot_server.get_url())
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if self.base_path is not None:
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# Decorate the server's backing transport with a filter that can
395
expand_userdirs = self._make_expand_userdirs_filter(transport)
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expand_userdirs.start_server()
397
self.cleanups.append(expand_userdirs.stop_server)
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transport = get_transport(expand_userdirs.get_url())
399
self.transport = transport
401
def _make_smart_server(self, host, port, inet):
403
smart_server = medium.SmartServerPipeStreamMedium(
404
sys.stdin, sys.stdout, self.transport)
407
host = medium.BZR_DEFAULT_INTERFACE
409
port = medium.BZR_DEFAULT_PORT
410
smart_server = SmartTCPServer(self.transport, host=host, port=port)
411
trace.note('listening on port: %s' % smart_server.port)
412
self.smart_server = smart_server
414
def _change_globals(self):
415
from bzrlib import lockdir, ui
416
# For the duration of this server, no UI output is permitted. note
417
# that this may cause problems with blackbox tests. This should be
418
# changed with care though, as we dont want to use bandwidth sending
419
# progress over stderr to smart server clients!
420
old_factory = ui.ui_factory
421
old_lockdir_timeout = lockdir._DEFAULT_TIMEOUT_SECONDS
422
def restore_default_ui_factory_and_lockdir_timeout():
423
ui.ui_factory = old_factory
424
lockdir._DEFAULT_TIMEOUT_SECONDS = old_lockdir_timeout
425
self.cleanups.append(restore_default_ui_factory_and_lockdir_timeout)
426
ui.ui_factory = ui.SilentUIFactory()
427
lockdir._DEFAULT_TIMEOUT_SECONDS = 0
429
def set_up(self, transport, host, port, inet):
430
self._make_backing_transport(transport)
431
self._make_smart_server(host, port, inet)
432
self._change_globals()
435
for cleanup in reversed(self.cleanups):
439
def serve_bzr(transport, host=None, port=None, inet=False):
440
"""This is the default implementation of 'bzr serve'.
442
It creates a TCP or pipe smart server on 'transport, and runs it. The
443
transport will be decorated with a chroot and pathfilter (using
446
bzr_server = BzrServerFactory()
448
bzr_server.set_up(transport, host, port, inet)
449
bzr_server.smart_server.serve()
451
bzr_server.tear_down()