1 /*
2 * Copyright (C) 2018 The Android Open Source Project
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
17 #include <android/binder_status.h>
18 #include "status_internal.h"
19
20 #include <android-base/logging.h>
21
22 using ::android::status_t;
23 using ::android::binder::Status;
24
AStatus_newOk()25 AStatus* AStatus_newOk() {
26 static AStatus status = AStatus();
27 return &status;
28 }
29
AStatus_fromExceptionCode(binder_exception_t exception)30 AStatus* AStatus_fromExceptionCode(binder_exception_t exception) {
31 return new AStatus(Status::fromExceptionCode(PruneException(exception)));
32 }
33
AStatus_fromExceptionCodeWithMessage(binder_exception_t exception,const char * message)34 AStatus* AStatus_fromExceptionCodeWithMessage(binder_exception_t exception, const char* message) {
35 return new AStatus(Status::fromExceptionCode(PruneException(exception), message));
36 }
37
AStatus_fromServiceSpecificError(int32_t serviceSpecific)38 AStatus* AStatus_fromServiceSpecificError(int32_t serviceSpecific) {
39 return new AStatus(Status::fromServiceSpecificError(serviceSpecific));
40 }
41
AStatus_fromServiceSpecificErrorWithMessage(int32_t serviceSpecific,const char * message)42 AStatus* AStatus_fromServiceSpecificErrorWithMessage(int32_t serviceSpecific, const char* message) {
43 return new AStatus(Status::fromServiceSpecificError(serviceSpecific, message));
44 }
45
AStatus_fromStatus(binder_status_t status)46 AStatus* AStatus_fromStatus(binder_status_t status) {
47 return new AStatus(Status::fromStatusT(PruneStatusT(status)));
48 }
49
AStatus_isOk(const AStatus * status)50 bool AStatus_isOk(const AStatus* status) {
51 return status->get().isOk();
52 }
53
AStatus_getExceptionCode(const AStatus * status)54 binder_exception_t AStatus_getExceptionCode(const AStatus* status) {
55 return PruneException(status->get().exceptionCode());
56 }
57
AStatus_getServiceSpecificError(const AStatus * status)58 int32_t AStatus_getServiceSpecificError(const AStatus* status) {
59 return status->get().serviceSpecificErrorCode();
60 }
61
AStatus_getStatus(const AStatus * status)62 binder_status_t AStatus_getStatus(const AStatus* status) {
63 return PruneStatusT(status->get().transactionError());
64 }
65
AStatus_getMessage(const AStatus * status)66 const char* AStatus_getMessage(const AStatus* status) {
67 return status->get().exceptionMessage().c_str();
68 }
69
AStatus_getDescription(const AStatus * status)70 const char* AStatus_getDescription(const AStatus* status) {
71 android::String8 description = status->get().toString8();
72 char* cStr = new char[description.size() + 1];
73 memcpy(cStr, description.c_str(), description.size() + 1);
74 return cStr;
75 }
76
AStatus_deleteDescription(const char * description)77 void AStatus_deleteDescription(const char* description) {
78 delete[] const_cast<char*>(description);
79 }
80
AStatus_delete(AStatus * status)81 void AStatus_delete(AStatus* status) {
82 if (status != AStatus_newOk()) {
83 delete status;
84 }
85 }
86
PruneStatusT(status_t status)87 binder_status_t PruneStatusT(status_t status) {
88 switch (status) {
89 case ::android::OK:
90 return STATUS_OK;
91 case ::android::NO_MEMORY:
92 return STATUS_NO_MEMORY;
93 case ::android::INVALID_OPERATION:
94 return STATUS_INVALID_OPERATION;
95 case ::android::BAD_VALUE:
96 return STATUS_BAD_VALUE;
97 case ::android::BAD_TYPE:
98 return STATUS_BAD_TYPE;
99 case ::android::NAME_NOT_FOUND:
100 return STATUS_NAME_NOT_FOUND;
101 case ::android::PERMISSION_DENIED:
102 return STATUS_PERMISSION_DENIED;
103 case ::android::NO_INIT:
104 return STATUS_NO_INIT;
105 case ::android::ALREADY_EXISTS:
106 return STATUS_ALREADY_EXISTS;
107 case ::android::DEAD_OBJECT:
108 return STATUS_DEAD_OBJECT;
109 case ::android::FAILED_TRANSACTION:
110 return STATUS_FAILED_TRANSACTION;
111 case ::android::BAD_INDEX:
112 return STATUS_BAD_INDEX;
113 case ::android::NOT_ENOUGH_DATA:
114 return STATUS_NOT_ENOUGH_DATA;
115 case ::android::WOULD_BLOCK:
116 return STATUS_WOULD_BLOCK;
117 case ::android::TIMED_OUT:
118 return STATUS_TIMED_OUT;
119 case ::android::UNKNOWN_TRANSACTION:
120 return STATUS_UNKNOWN_TRANSACTION;
121 case ::android::FDS_NOT_ALLOWED:
122 return STATUS_FDS_NOT_ALLOWED;
123 case ::android::UNEXPECTED_NULL:
124 return STATUS_UNEXPECTED_NULL;
125 case ::android::UNKNOWN_ERROR:
126 return STATUS_UNKNOWN_ERROR;
127
128 default:
129 LOG(WARNING) << __func__ << ": Unknown status_t (" << status
130 << ") pruned into STATUS_UNKNOWN_ERROR";
131 return STATUS_UNKNOWN_ERROR;
132 }
133 }
134
PruneException(int32_t exception)135 binder_exception_t PruneException(int32_t exception) {
136 switch (exception) {
137 case Status::EX_NONE:
138 return EX_NONE;
139 case Status::EX_SECURITY:
140 return EX_SECURITY;
141 case Status::EX_BAD_PARCELABLE:
142 return EX_BAD_PARCELABLE;
143 case Status::EX_ILLEGAL_ARGUMENT:
144 return EX_ILLEGAL_ARGUMENT;
145 case Status::EX_NULL_POINTER:
146 return EX_NULL_POINTER;
147 case Status::EX_ILLEGAL_STATE:
148 return EX_ILLEGAL_STATE;
149 case Status::EX_NETWORK_MAIN_THREAD:
150 return EX_NETWORK_MAIN_THREAD;
151 case Status::EX_UNSUPPORTED_OPERATION:
152 return EX_UNSUPPORTED_OPERATION;
153 case Status::EX_SERVICE_SPECIFIC:
154 return EX_SERVICE_SPECIFIC;
155 case Status::EX_PARCELABLE:
156 return EX_PARCELABLE;
157 case Status::EX_TRANSACTION_FAILED:
158 return EX_TRANSACTION_FAILED;
159
160 default:
161 LOG(WARNING) << __func__ << ": Unknown binder exception (" << exception
162 << ") pruned into EX_TRANSACTION_FAILED";
163 return EX_TRANSACTION_FAILED;
164 }
165 }
166