1 /*
2  * Copyright (C) 2016 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 "DeathRecipientType.h"
18 
19 #include <hidl-util/Formatter.h>
20 #include <android-base/logging.h>
21 
22 namespace android {
23 
DeathRecipientType(Scope * parent)24 DeathRecipientType::DeathRecipientType(Scope* parent) : Type(parent) {}
25 
typeName() const26 std::string DeathRecipientType::typeName() const {
27     return "death recipient";
28 }
29 
getCppType(StorageMode mode,bool specifyNamespaces) const30 std::string DeathRecipientType::getCppType(StorageMode mode,
31                                    bool specifyNamespaces) const {
32     const std::string base =
33           std::string(specifyNamespaces ? "::android::" : "")
34         + "sp<"
35         + (specifyNamespaces ? "::android::hardware::" : "")
36         + "hidl_death_recipient>";
37 
38     switch (mode) {
39         case StorageMode_Stack:
40             return base;
41 
42         case StorageMode_Argument:
43             return "const " + base + "&";
44 
45         case StorageMode_Result:
46             return "const " + base + "*";
47     }
48 }
49 
getJavaType(bool) const50 std::string DeathRecipientType::getJavaType(bool /* forInitializer */) const {
51     // TODO(b/33440494) decouple from hwbinder
52     return "android.os.IHwBinder.DeathRecipient";
53 }
54 
getVtsType() const55 std::string DeathRecipientType::getVtsType() const {
56     return "TYPE_DEATH_RECIPIENT";
57 }
58 
emitReaderWriter(Formatter & out,const std::string &,const std::string &,bool,bool,ErrorMode) const59 void DeathRecipientType::emitReaderWriter(
60         Formatter& out,
61         const std::string& /* name */,
62         const std::string& /* parcelObj */,
63         bool /* parcelObjIsPointer */,
64         bool /* isReader */,
65         ErrorMode /* mode */) const {
66     out << "LOG_ALWAYS_FATAL(\"DeathRecipient is only supported in passthrough mode\");\n";
67 }
68 
needsEmbeddedReadWrite() const69 bool DeathRecipientType::needsEmbeddedReadWrite() const {
70     return false;
71 }
72 
resultNeedsDeref() const73 bool DeathRecipientType::resultNeedsDeref() const {
74     return true;
75 }
76 
getAlignmentAndSize(size_t * align,size_t * size) const77 void DeathRecipientType::getAlignmentAndSize(size_t *align, size_t *size) const {
78     *align = *size = 0; // this object should only be used in passthrough mode
79 }
80 
emitVtsTypeDeclarations(Formatter & out) const81 void DeathRecipientType::emitVtsTypeDeclarations(Formatter& out) const {
82     out << "type: " << getVtsType() << "\n";
83 }
84 
85 }  // namespace android
86 
87