100
102
"""Called if the client sends a body with the request.
102
104
The do() method is still called, and must have returned None.
104
106
Must return a SmartServerResponse.
106
raise NotImplementedError(self.do_body)
109
raise errors.SmartProtocolError('Request does not expect a body')
108
111
def do_chunk(self, chunk_bytes):
109
112
"""Called with each body chunk if the request has a streamed body.
111
114
The do() method is still called, and must have returned None.
113
raise NotImplementedError(self.do_chunk)
116
self._body_chunks.append(chunk_bytes)
115
118
def do_end(self):
116
119
"""Called when the end of the request has been received."""
120
body_bytes = ''.join(self._body_chunks)
121
self._body_chunks = None
122
return self.do_body(body_bytes)
119
124
def translate_client_path(self, client_path):
120
125
"""Translate a path received from a network client into a local
229
234
self._backing_transport = backing_transport
230
235
self._root_client_path = root_client_path
231
236
self._commands = commands
232
self._body_bytes = ''
233
237
self.response = None
234
238
self.finished_reading = False
235
239
self._command = None
237
241
def accept_body(self, bytes):
238
242
"""Accept body data."""
240
# TODO: This should be overriden for each command that desired body data
241
# to handle the right format of that data, i.e. plain bytes, a bundle,
242
# etc. The deserialisation into that format should be done in the
245
# default fallback is to accumulate bytes.
246
self._body_bytes += bytes
243
self._run_handler_code(self._command.do_chunk, (bytes,), {})
248
245
def end_of_body(self):
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"""No more body data will be received."""
250
self._run_handler_code(self._command.do_body, (self._body_bytes,), {})
247
self._run_handler_code(self._command.do_end, (), {})
251
248
# cannot read after this.
252
249
self.finished_reading = True
281
278
# be in SmartServerVFSRequestHandler somewhere.
283
280
return callable(*args, **kwargs)
284
except errors.NoSuchFile, e:
285
return FailedSmartServerResponse(('NoSuchFile', e.path))
286
except errors.FileExists, e:
287
return FailedSmartServerResponse(('FileExists', e.path))
288
except errors.DirectoryNotEmpty, e:
289
return FailedSmartServerResponse(('DirectoryNotEmpty', e.path))
290
except errors.ShortReadvError, e:
291
return FailedSmartServerResponse(('ShortReadvError',
292
e.path, str(e.offset), str(e.length), str(e.actual)))
293
except errors.UnstackableRepositoryFormat, e:
294
return FailedSmartServerResponse(('UnstackableRepositoryFormat',
295
str(e.format), e.url))
296
except errors.UnstackableBranchFormat, e:
297
return FailedSmartServerResponse(('UnstackableBranchFormat',
298
str(e.format), e.url))
299
except errors.NotStacked, e:
300
return FailedSmartServerResponse(('NotStacked',))
301
except UnicodeError, e:
302
# If it is a DecodeError, than most likely we are starting
303
# with a plain string
304
str_or_unicode = e.object
305
if isinstance(str_or_unicode, unicode):
306
# XXX: UTF-8 might have \x01 (our protocol v1 and v2 seperator
307
# byte) in it, so this encoding could cause broken responses.
308
# Newer clients use protocol v3, so will be fine.
309
val = 'u:' + str_or_unicode.encode('utf-8')
311
val = 's:' + str_or_unicode.encode('base64')
312
# This handles UnicodeEncodeError or UnicodeDecodeError
313
return FailedSmartServerResponse((e.__class__.__name__,
314
e.encoding, val, str(e.start), str(e.end), e.reason))
315
except errors.TransportNotPossible, e:
316
if e.msg == "readonly transport":
317
return FailedSmartServerResponse(('ReadOnlyError', ))
320
except errors.ReadError, e:
321
# cannot read the file
322
return FailedSmartServerResponse(('ReadError', e.path))
323
except errors.PermissionDenied, e:
324
return FailedSmartServerResponse(
325
('PermissionDenied', e.path, e.extra))
281
except (KeyboardInterrupt, SystemExit):
283
except Exception, err:
284
err_struct = _translate_error(err)
285
return FailedSmartServerResponse(err_struct)
327
287
def headers_received(self, headers):
328
288
# Just a no-op at the moment.
338
298
self._command = command(self._backing_transport)
339
299
self._run_handler_code(self._command.execute, args, {})
341
def prefixed_body_received(self, body_bytes):
342
"""No more body data will be received."""
343
self._run_handler_code(self._command.do_body, (body_bytes,), {})
344
# cannot read after this.
345
self.finished_reading = True
347
def body_chunk_received(self, chunk_bytes):
348
self._run_handler_code(self._command.do_chunk, (chunk_bytes,), {})
350
301
def end_received(self):
351
302
self._run_handler_code(self._command.do_end, (), {})
304
def post_body_error_received(self, error_args):
305
# Just a no-op at the moment.
309
def _translate_error(err):
310
if isinstance(err, errors.NoSuchFile):
311
return ('NoSuchFile', err.path)
312
elif isinstance(err, errors.FileExists):
313
return ('FileExists', err.path)
314
elif isinstance(err, errors.DirectoryNotEmpty):
315
return ('DirectoryNotEmpty', err.path)
316
elif isinstance(err, errors.ShortReadvError):
317
return ('ShortReadvError', err.path, str(err.offset), str(err.length),
319
elif isinstance(err, errors.UnstackableRepositoryFormat):
320
return (('UnstackableRepositoryFormat', str(err.format), err.url))
321
elif isinstance(err, errors.UnstackableBranchFormat):
322
return ('UnstackableBranchFormat', str(err.format), err.url)
323
elif isinstance(err, errors.NotStacked):
324
return ('NotStacked',)
325
elif isinstance(err, UnicodeError):
326
# If it is a DecodeError, than most likely we are starting
327
# with a plain string
328
str_or_unicode = err.object
329
if isinstance(str_or_unicode, unicode):
330
# XXX: UTF-8 might have \x01 (our protocol v1 and v2 seperator
331
# byte) in it, so this encoding could cause broken responses.
332
# Newer clients use protocol v3, so will be fine.
333
val = 'u:' + str_or_unicode.encode('utf-8')
335
val = 's:' + str_or_unicode.encode('base64')
336
# This handles UnicodeEncodeError or UnicodeDecodeError
337
return (err.__class__.__name__, err.encoding, val, str(err.start),
338
str(err.end), err.reason)
339
elif isinstance(err, errors.TransportNotPossible):
340
if err.msg == "readonly transport":
341
return ('ReadOnlyError', )
342
elif isinstance(err, errors.ReadError):
343
# cannot read the file
344
return ('ReadError', err.path)
345
elif isinstance(err, errors.PermissionDenied):
346
return ('PermissionDenied', err.path, err.extra)
347
# Unserialisable error. Log it, and return a generic error
348
trace.log_exception_quietly()
349
return ('error', str(err))
354
352
class HelloRequest(SmartServerRequest):
355
353
"""Answer a version request with the highest protocol version this server
390
388
request_handlers.register_lazy(
391
389
'append', 'bzrlib.smart.vfs', 'AppendRequest')
392
390
request_handlers.register_lazy(
393
'Branch.get_config_file', 'bzrlib.smart.branch', 'SmartServerBranchGetConfigFile')
391
'Branch.get_config_file', 'bzrlib.smart.branch',
392
'SmartServerBranchGetConfigFile')
393
request_handlers.register_lazy(
394
'Branch.get_parent', 'bzrlib.smart.branch', 'SmartServerBranchGetParent')
395
request_handlers.register_lazy(
396
'Branch.get_tags_bytes', 'bzrlib.smart.branch',
397
'SmartServerBranchGetTagsBytes')
394
398
request_handlers.register_lazy(
395
399
'Branch.get_stacked_on_url', 'bzrlib.smart.branch', 'SmartServerBranchRequestGetStackedOnURL')
396
400
request_handlers.register_lazy(
410
414
request_handlers.register_lazy(
411
415
'Branch.unlock', 'bzrlib.smart.branch', 'SmartServerBranchRequestUnlock')
412
416
request_handlers.register_lazy(
413
'BzrDir.find_repository', 'bzrlib.smart.bzrdir', 'SmartServerRequestFindRepositoryV1')
414
request_handlers.register_lazy(
415
'BzrDir.find_repositoryV2', 'bzrlib.smart.bzrdir', 'SmartServerRequestFindRepositoryV2')
416
request_handlers.register_lazy(
417
'BzrDirFormat.initialize', 'bzrlib.smart.bzrdir', 'SmartServerRequestInitializeBzrDir')
418
request_handlers.register_lazy(
419
'BzrDir.open_branch', 'bzrlib.smart.bzrdir', 'SmartServerRequestOpenBranch')
417
'BzrDir.cloning_metadir', 'bzrlib.smart.bzrdir',
418
'SmartServerBzrDirRequestCloningMetaDir')
419
request_handlers.register_lazy(
420
'BzrDir.create_branch', 'bzrlib.smart.bzrdir',
421
'SmartServerRequestCreateBranch')
422
request_handlers.register_lazy(
423
'BzrDir.create_repository', 'bzrlib.smart.bzrdir',
424
'SmartServerRequestCreateRepository')
425
request_handlers.register_lazy(
426
'BzrDir.find_repository', 'bzrlib.smart.bzrdir',
427
'SmartServerRequestFindRepositoryV1')
428
request_handlers.register_lazy(
429
'BzrDir.find_repositoryV2', 'bzrlib.smart.bzrdir',
430
'SmartServerRequestFindRepositoryV2')
431
request_handlers.register_lazy(
432
'BzrDir.find_repositoryV3', 'bzrlib.smart.bzrdir',
433
'SmartServerRequestFindRepositoryV3')
434
request_handlers.register_lazy(
435
'BzrDirFormat.initialize', 'bzrlib.smart.bzrdir',
436
'SmartServerRequestInitializeBzrDir')
437
request_handlers.register_lazy(
438
'BzrDir.open_branch', 'bzrlib.smart.bzrdir',
439
'SmartServerRequestOpenBranch')
440
request_handlers.register_lazy(
441
'BzrDir.open_branchV2', 'bzrlib.smart.bzrdir',
442
'SmartServerRequestOpenBranchV2')
420
443
request_handlers.register_lazy(
421
444
'delete', 'bzrlib.smart.vfs', 'DeleteRequest')
422
445
request_handlers.register_lazy(
457
480
request_handlers.register_lazy(
458
481
'Repository.has_revision', 'bzrlib.smart.repository', 'SmartServerRequestHasRevision')
459
482
request_handlers.register_lazy(
483
'Repository.insert_stream', 'bzrlib.smart.repository', 'SmartServerRepositoryInsertStream')
484
request_handlers.register_lazy(
460
485
'Repository.is_shared', 'bzrlib.smart.repository', 'SmartServerRepositoryIsShared')
461
486
request_handlers.register_lazy(
462
487
'Repository.lock_write', 'bzrlib.smart.repository', 'SmartServerRepositoryLockWrite')
463
488
request_handlers.register_lazy(
489
'Repository.set_make_working_trees', 'bzrlib.smart.repository',
490
'SmartServerRepositorySetMakeWorkingTrees')
491
request_handlers.register_lazy(
464
492
'Repository.unlock', 'bzrlib.smart.repository', 'SmartServerRepositoryUnlock')
465
493
request_handlers.register_lazy(
494
'Repository.get_stream', 'bzrlib.smart.repository',
495
'SmartServerRepositoryGetStream')
496
request_handlers.register_lazy(
466
497
'Repository.tarball', 'bzrlib.smart.repository',
467
498
'SmartServerRepositoryTarball')
468
499
request_handlers.register_lazy(