1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
# Copyright 2017 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
cdef class Operation:
cdef void c(self) except *:
raise NotImplementedError()
cdef void un_c(self) except *:
raise NotImplementedError()
cdef class SendInitialMetadataOperation(Operation):
def __cinit__(self, initial_metadata, flags):
self._initial_metadata = initial_metadata
self._flags = flags
def type(self):
return GRPC_OP_SEND_INITIAL_METADATA
cdef void c(self) except *:
self.c_op.type = GRPC_OP_SEND_INITIAL_METADATA
self.c_op.flags = self._flags
_store_c_metadata(
self._initial_metadata, &self._c_initial_metadata,
&self._c_initial_metadata_count)
self.c_op.data.send_initial_metadata.metadata = self._c_initial_metadata
self.c_op.data.send_initial_metadata.count = self._c_initial_metadata_count
self.c_op.data.send_initial_metadata.maybe_compression_level.is_set = 0
cdef void un_c(self) except *:
_release_c_metadata(
self._c_initial_metadata, self._c_initial_metadata_count)
cdef class SendMessageOperation(Operation):
def __cinit__(self, bytes message, int flags):
if message is None:
self._message = b''
else:
self._message = message
self._flags = flags
def type(self):
return GRPC_OP_SEND_MESSAGE
cdef void c(self) except *:
self.c_op.type = GRPC_OP_SEND_MESSAGE
self.c_op.flags = self._flags
cdef grpc_slice message_slice = grpc_slice_from_copied_buffer(
self._message, len(self._message))
self._c_message_byte_buffer = grpc_raw_byte_buffer_create(
&message_slice, 1)
grpc_slice_unref(message_slice)
self.c_op.data.send_message.send_message = self._c_message_byte_buffer
cdef void un_c(self) except *:
grpc_byte_buffer_destroy(self._c_message_byte_buffer)
cdef class SendCloseFromClientOperation(Operation):
def __cinit__(self, int flags):
self._flags = flags
def type(self):
return GRPC_OP_SEND_CLOSE_FROM_CLIENT
cdef void c(self) except *:
self.c_op.type = GRPC_OP_SEND_CLOSE_FROM_CLIENT
self.c_op.flags = self._flags
cdef void un_c(self) except *:
pass
cdef class SendStatusFromServerOperation(Operation):
def __cinit__(self, trailing_metadata, code, object details, int flags):
self._trailing_metadata = trailing_metadata
self._code = code
self._details = details
self._flags = flags
def type(self):
return GRPC_OP_SEND_STATUS_FROM_SERVER
cdef void c(self) except *:
self.c_op.type = GRPC_OP_SEND_STATUS_FROM_SERVER
self.c_op.flags = self._flags
_store_c_metadata(
self._trailing_metadata, &self._c_trailing_metadata,
&self._c_trailing_metadata_count)
self.c_op.data.send_status_from_server.trailing_metadata = (
self._c_trailing_metadata)
self.c_op.data.send_status_from_server.trailing_metadata_count = (
self._c_trailing_metadata_count)
self.c_op.data.send_status_from_server.status = self._code
self._c_details = _slice_from_bytes(_encode(self._details))
self.c_op.data.send_status_from_server.status_details = &self._c_details
cdef void un_c(self) except *:
grpc_slice_unref(self._c_details)
_release_c_metadata(
self._c_trailing_metadata, self._c_trailing_metadata_count)
cdef class ReceiveInitialMetadataOperation(Operation):
def __cinit__(self, flags):
self._flags = flags
def type(self):
return GRPC_OP_RECV_INITIAL_METADATA
cdef void c(self) except *:
self.c_op.type = GRPC_OP_RECV_INITIAL_METADATA
self.c_op.flags = self._flags
grpc_metadata_array_init(&self._c_initial_metadata)
self.c_op.data.receive_initial_metadata.receive_initial_metadata = (
&self._c_initial_metadata)
cdef void un_c(self) except *:
self._initial_metadata = _metadata(&self._c_initial_metadata)
grpc_metadata_array_destroy(&self._c_initial_metadata)
def initial_metadata(self):
return self._initial_metadata
cdef class ReceiveMessageOperation(Operation):
def __cinit__(self, flags):
self._flags = flags
def type(self):
return GRPC_OP_RECV_MESSAGE
cdef void c(self) except *:
self.c_op.type = GRPC_OP_RECV_MESSAGE
self.c_op.flags = self._flags
self.c_op.data.receive_message.receive_message = (
&self._c_message_byte_buffer)
cdef void un_c(self) except *:
cdef grpc_byte_buffer_reader message_reader
cdef bint message_reader_status
cdef grpc_slice message_slice
cdef size_t message_slice_length
cdef void *message_slice_pointer
if self._c_message_byte_buffer != NULL:
message_reader_status = grpc_byte_buffer_reader_init(
&message_reader, self._c_message_byte_buffer)
if message_reader_status:
message = bytearray()
while grpc_byte_buffer_reader_next(&message_reader, &message_slice):
message_slice_pointer = grpc_slice_start_ptr(message_slice)
message_slice_length = grpc_slice_length(message_slice)
message += (<char *>message_slice_pointer)[:message_slice_length]
grpc_slice_unref(message_slice)
grpc_byte_buffer_reader_destroy(&message_reader)
self._message = bytes(message)
else:
self._message = None
grpc_byte_buffer_destroy(self._c_message_byte_buffer)
else:
self._message = None
def message(self):
return self._message
cdef class ReceiveStatusOnClientOperation(Operation):
def __cinit__(self, flags):
self._flags = flags
def type(self):
return GRPC_OP_RECV_STATUS_ON_CLIENT
cdef void c(self) except *:
self.c_op.type = GRPC_OP_RECV_STATUS_ON_CLIENT
self.c_op.flags = self._flags
grpc_metadata_array_init(&self._c_trailing_metadata)
self.c_op.data.receive_status_on_client.trailing_metadata = (
&self._c_trailing_metadata)
self.c_op.data.receive_status_on_client.status = (
&self._c_code)
self.c_op.data.receive_status_on_client.status_details = (
&self._c_details)
self.c_op.data.receive_status_on_client.error_string = (
&self._c_error_string)
cdef void un_c(self) except *:
self._trailing_metadata = _metadata(&self._c_trailing_metadata)
grpc_metadata_array_destroy(&self._c_trailing_metadata)
self._code = self._c_code
self._details = _decode(_slice_bytes(self._c_details))
grpc_slice_unref(self._c_details)
if self._c_error_string != NULL:
self._error_string = _decode(self._c_error_string)
gpr_free(<void*>self._c_error_string)
else:
self._error_string = ""
def trailing_metadata(self):
return self._trailing_metadata
def code(self):
return self._code
def details(self):
return self._details
def error_string(self):
return self._error_string
cdef class ReceiveCloseOnServerOperation(Operation):
def __cinit__(self, flags):
self._flags = flags
def type(self):
return GRPC_OP_RECV_CLOSE_ON_SERVER
cdef void c(self) except *:
self.c_op.type = GRPC_OP_RECV_CLOSE_ON_SERVER
self.c_op.flags = self._flags
self.c_op.data.receive_close_on_server.cancelled = &self._c_cancelled
cdef void un_c(self) except *:
self._cancelled = bool(self._c_cancelled)
def cancelled(self):
return self._cancelled
|
