Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 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 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 17 | #include "FmqType.h" |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 18 | |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 19 | #include "HidlTypeAssertion.h" |
| 20 | |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 21 | #include <android-base/logging.h> |
Neel Mehta | 69920a6 | 2019-07-22 16:22:13 -0700 | [diff] [blame] | 22 | #include <hidl-util/Formatter.h> |
| 23 | #include <string> |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 24 | |
| 25 | namespace android { |
| 26 | |
Neel Mehta | 69920a6 | 2019-07-22 16:22:13 -0700 | [diff] [blame] | 27 | FmqType::FmqType(const std::string& nsp, const std::string& name, Scope* parent, |
| 28 | const std::string& definedName) |
Neel Mehta | 3b414a8 | 2019-07-02 15:47:48 -0700 | [diff] [blame] | 29 | : TemplatedType(parent, definedName), mNamespace(nsp), mName(name) {} |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 30 | |
Neel Mehta | d3375f1 | 2019-08-19 09:58:46 -0700 | [diff] [blame] | 31 | bool FmqType::isFmq() const { |
| 32 | return true; |
| 33 | } |
| 34 | |
Timur Iskhakov | 3f1d26e | 2017-08-30 15:35:53 -0700 | [diff] [blame] | 35 | std::string FmqType::templatedTypeName() const { |
| 36 | return mName; |
Steven Moreland | 0ecc7b8 | 2017-07-19 12:59:23 -0700 | [diff] [blame] | 37 | } |
| 38 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 39 | std::string FmqType::fullName() const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 40 | return mNamespace + |
| 41 | (mNamespace.empty() ? "" : "::") + |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 42 | mName + "<" + mElementType->getCppStackType(true) + ">"; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 43 | } |
| 44 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 45 | std::string FmqType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 46 | StorageMode mode, |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 47 | bool) const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 48 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 49 | const std::string base = fullName(); |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 50 | |
| 51 | switch (mode) { |
| 52 | case StorageMode_Stack: |
| 53 | return base; |
| 54 | |
| 55 | case StorageMode_Argument: |
| 56 | return "const " + base + "&"; |
| 57 | |
| 58 | case StorageMode_Result: |
| 59 | return "const " + base + "*"; |
| 60 | } |
| 61 | } |
| 62 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 63 | void FmqType::emitReaderWriter( |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 64 | Formatter &out, |
| 65 | const std::string &name, |
| 66 | const std::string &parcelObj, |
| 67 | bool parcelObjIsPointer, |
| 68 | bool isReader, |
| 69 | ErrorMode mode) const { |
| 70 | const std::string parentName = "_hidl_" + name + "_parent"; |
| 71 | |
| 72 | out << "size_t " << parentName << ";\n\n"; |
| 73 | |
| 74 | const std::string parcelObjDeref = |
| 75 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 76 | |
| 77 | if (isReader) { |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 78 | out << "_hidl_err = " |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 79 | << parcelObjDeref |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 80 | << "readBuffer(" |
| 81 | << "sizeof(*" |
| 82 | << name |
| 83 | << "), &" |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 84 | << parentName |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 85 | << ", " |
| 86 | << " reinterpret_cast<const void **>(" |
| 87 | << "&" << name |
| 88 | << "));\n\n"; |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 89 | |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 90 | handleError(out, mode); |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 91 | } else { |
| 92 | out << "_hidl_err = " |
| 93 | << parcelObjDeref |
| 94 | << "writeBuffer(&" |
| 95 | << name |
| 96 | << ", sizeof(" |
| 97 | << name |
| 98 | << "), &" |
| 99 | << parentName |
| 100 | << ");\n"; |
| 101 | |
| 102 | handleError(out, mode); |
| 103 | } |
| 104 | |
| 105 | emitReaderWriterEmbedded( |
| 106 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 107 | 0 /* depth */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 108 | name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 109 | name /* sanitizedName */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 110 | isReader /* nameIsPointer */, |
| 111 | parcelObj, |
| 112 | parcelObjIsPointer, |
| 113 | isReader, |
| 114 | mode, |
| 115 | parentName, |
| 116 | "0 /* parentOffset */"); |
| 117 | } |
| 118 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 119 | void FmqType::emitReaderWriterEmbedded( |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 120 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 121 | size_t /* depth */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 122 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 123 | const std::string & /* sanitizedName */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 124 | bool nameIsPointer, |
| 125 | const std::string &parcelObj, |
| 126 | bool parcelObjIsPointer, |
| 127 | bool isReader, |
| 128 | ErrorMode mode, |
| 129 | const std::string &parentName, |
| 130 | const std::string &offsetText) const { |
| 131 | emitReaderWriterEmbeddedForTypeName( |
| 132 | out, |
| 133 | name, |
| 134 | nameIsPointer, |
| 135 | parcelObj, |
| 136 | parcelObjIsPointer, |
| 137 | isReader, |
| 138 | mode, |
| 139 | parentName, |
| 140 | offsetText, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 141 | fullName(), |
| 142 | "" /* childName */, |
| 143 | mNamespace); |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 144 | } |
| 145 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 146 | bool FmqType::deepIsJavaCompatible(std::unordered_set<const Type*>* /* visited */) const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 147 | return false; |
| 148 | } |
| 149 | |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 150 | // All MQDescriptor<T, flavor> have the same size. |
| 151 | static HidlTypeAssertion assertion( |
| 152 | "MQDescriptor<char, ::android::hardware::kSynchronizedReadWrite>", 32); |
| 153 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 154 | void FmqType::getAlignmentAndSize( |
| 155 | size_t *align, size_t *size) const { |
| 156 | *align = 8; // MQDescriptor<> |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 157 | *size = assertion.size(); |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 158 | } |
| 159 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 160 | bool FmqType::needsEmbeddedReadWrite() const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 161 | return true; |
| 162 | } |
| 163 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 164 | bool FmqType::resultNeedsDeref() const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 165 | return true; |
| 166 | } |
| 167 | |
Timur Iskhakov | 24e605b | 2017-08-30 14:02:55 -0700 | [diff] [blame] | 168 | bool FmqType::isCompatibleElementType(const Type* elementType) const { |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 169 | return (!elementType->isInterface() && !elementType->needsEmbeddedReadWrite()); |
| 170 | } |
| 171 | |
Zhuoyao Zhang | e966784 | 2017-01-19 12:35:32 -0800 | [diff] [blame] | 172 | std::string FmqType::getVtsType() const { |
| 173 | if (mName == "MQDescriptorSync") { |
| 174 | return "TYPE_FMQ_SYNC"; |
| 175 | } else if (mName == "MQDescriptorUnsync") { |
| 176 | return "TYPE_FMQ_UNSYNC"; |
Zhuoyao Zhang | e966784 | 2017-01-19 12:35:32 -0800 | [diff] [blame] | 177 | } |
Steven Moreland | cbff561 | 2017-10-11 17:01:54 -0700 | [diff] [blame] | 178 | |
| 179 | CHECK(false) << "Invalid FmqType."; |
Zhuoyao Zhang | e966784 | 2017-01-19 12:35:32 -0800 | [diff] [blame] | 180 | return ""; |
| 181 | } |
| 182 | |
| 183 | std::string FmqType::getVtsValueName() const { |
| 184 | return "fmq_value"; |
| 185 | } |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 186 | } // namespace android |
| 187 | |