1 /*
2 * Copyright 2017 Google LLC
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include "fcp/base/status_converters.h"
17
18 #include "grpcpp/support/status.h"
19
20 namespace fcp {
21 namespace base {
22
23 #define MAP_FROM_GRPC_STATUS(grpc_name, absl_name) \
24 case grpc::StatusCode::grpc_name: \
25 return StatusCode::absl_name;
26
27 #define MAP_TO_GRPC_STATUS(absl_name, grpc_name) \
28 case StatusCode::absl_name: \
29 return grpc::StatusCode::grpc_name;
30
FromGrpcStatusCode(grpc::StatusCode code)31 StatusCode FromGrpcStatusCode(grpc::StatusCode code) {
32 switch (code) {
33 MAP_FROM_GRPC_STATUS(OK, kOk)
34 MAP_FROM_GRPC_STATUS(CANCELLED, kCancelled)
35 MAP_FROM_GRPC_STATUS(UNKNOWN, kUnknown)
36 MAP_FROM_GRPC_STATUS(INVALID_ARGUMENT, kInvalidArgument)
37 MAP_FROM_GRPC_STATUS(DEADLINE_EXCEEDED, kDeadlineExceeded)
38 MAP_FROM_GRPC_STATUS(NOT_FOUND, kNotFound)
39 MAP_FROM_GRPC_STATUS(ALREADY_EXISTS, kAlreadyExists)
40 MAP_FROM_GRPC_STATUS(PERMISSION_DENIED, kPermissionDenied)
41 MAP_FROM_GRPC_STATUS(UNAUTHENTICATED, kUnauthenticated)
42 MAP_FROM_GRPC_STATUS(RESOURCE_EXHAUSTED, kResourceExhausted)
43 MAP_FROM_GRPC_STATUS(FAILED_PRECONDITION, kFailedPrecondition)
44 MAP_FROM_GRPC_STATUS(ABORTED, kAborted)
45 MAP_FROM_GRPC_STATUS(OUT_OF_RANGE, kOutOfRange)
46 MAP_FROM_GRPC_STATUS(UNIMPLEMENTED, kUnimplemented)
47 MAP_FROM_GRPC_STATUS(INTERNAL, kInternal)
48 MAP_FROM_GRPC_STATUS(UNAVAILABLE, kUnavailable)
49 MAP_FROM_GRPC_STATUS(DATA_LOSS, kDataLoss)
50 default:
51 return StatusCode::kUnknown;
52 }
53 }
54
FromGrpcStatus(grpc::Status status)55 Status FromGrpcStatus(grpc::Status status) {
56 return Status(FromGrpcStatusCode(status.error_code()),
57 status.error_message());
58 }
59
ToGrpcStatusCode(StatusCode code)60 grpc::StatusCode ToGrpcStatusCode(StatusCode code) {
61 switch (code) {
62 MAP_TO_GRPC_STATUS(kOk, OK)
63 MAP_TO_GRPC_STATUS(kCancelled, CANCELLED)
64 MAP_TO_GRPC_STATUS(kUnknown, UNKNOWN)
65 MAP_TO_GRPC_STATUS(kInvalidArgument, INVALID_ARGUMENT)
66 MAP_TO_GRPC_STATUS(kDeadlineExceeded, DEADLINE_EXCEEDED)
67 MAP_TO_GRPC_STATUS(kNotFound, NOT_FOUND)
68 MAP_TO_GRPC_STATUS(kAlreadyExists, ALREADY_EXISTS)
69 MAP_TO_GRPC_STATUS(kPermissionDenied, PERMISSION_DENIED)
70 MAP_TO_GRPC_STATUS(kUnauthenticated, UNAUTHENTICATED)
71 MAP_TO_GRPC_STATUS(kResourceExhausted, RESOURCE_EXHAUSTED)
72 MAP_TO_GRPC_STATUS(kFailedPrecondition, FAILED_PRECONDITION)
73 MAP_TO_GRPC_STATUS(kAborted, ABORTED)
74 MAP_TO_GRPC_STATUS(kOutOfRange, OUT_OF_RANGE)
75 MAP_TO_GRPC_STATUS(kUnimplemented, UNIMPLEMENTED)
76 MAP_TO_GRPC_STATUS(kInternal, INTERNAL)
77 MAP_TO_GRPC_STATUS(kUnavailable, UNAVAILABLE)
78 MAP_TO_GRPC_STATUS(kDataLoss, DATA_LOSS)
79 default:
80 return grpc::StatusCode::UNKNOWN;
81 }
82 }
83
ToGrpcStatus(Status status)84 grpc::Status ToGrpcStatus(Status status) {
85 grpc::StatusCode code = ToGrpcStatusCode(status.code());
86 if (code != grpc::StatusCode::OK) {
87 return grpc::Status(code, std::string(status.message()));
88 }
89
90 return grpc::Status::OK;
91 }
92
93 } // namespace base
94 } // namespace fcp
95