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 | |
Iliyan Malchev | a72e0d2 | 2016-09-09 11:03:08 -0700 | [diff] [blame] | 21 | #include <hidl-util/Formatter.h> |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 22 | #include <android-base/logging.h> |
| 23 | |
| 24 | namespace android { |
| 25 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 26 | FmqType::FmqType(const char *nsp, const char *name) |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 27 | : mNamespace(nsp), mName(name) { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 28 | } |
| 29 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 30 | std::string FmqType::fullName() const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 31 | return mNamespace + |
| 32 | (mNamespace.empty() ? "" : "::") + |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 33 | mName + "<" + mElementType->getCppStackType(true) + ">"; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 34 | } |
| 35 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 36 | std::string FmqType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 37 | StorageMode mode, |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 38 | bool) const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 39 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 40 | const std::string base = fullName(); |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 41 | |
| 42 | switch (mode) { |
| 43 | case StorageMode_Stack: |
| 44 | return base; |
| 45 | |
| 46 | case StorageMode_Argument: |
| 47 | return "const " + base + "&"; |
| 48 | |
| 49 | case StorageMode_Result: |
| 50 | return "const " + base + "*"; |
| 51 | } |
| 52 | } |
| 53 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 54 | void FmqType::emitReaderWriter( |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 55 | Formatter &out, |
| 56 | const std::string &name, |
| 57 | const std::string &parcelObj, |
| 58 | bool parcelObjIsPointer, |
| 59 | bool isReader, |
| 60 | ErrorMode mode) const { |
| 61 | const std::string parentName = "_hidl_" + name + "_parent"; |
| 62 | |
| 63 | out << "size_t " << parentName << ";\n\n"; |
| 64 | |
| 65 | const std::string parcelObjDeref = |
| 66 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 67 | |
| 68 | if (isReader) { |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 69 | out << "_hidl_err = " |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 70 | << parcelObjDeref |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 71 | << "readBuffer(" |
| 72 | << "sizeof(*" |
| 73 | << name |
| 74 | << "), &" |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 75 | << parentName |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 76 | << ", " |
| 77 | << " reinterpret_cast<const void **>(" |
| 78 | << "&" << name |
| 79 | << "));\n\n"; |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 80 | |
Martijn Coenen | 6a082c6 | 2017-01-11 12:47:02 +0100 | [diff] [blame] | 81 | handleError(out, mode); |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 82 | } else { |
| 83 | out << "_hidl_err = " |
| 84 | << parcelObjDeref |
| 85 | << "writeBuffer(&" |
| 86 | << name |
| 87 | << ", sizeof(" |
| 88 | << name |
| 89 | << "), &" |
| 90 | << parentName |
| 91 | << ");\n"; |
| 92 | |
| 93 | handleError(out, mode); |
| 94 | } |
| 95 | |
| 96 | emitReaderWriterEmbedded( |
| 97 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 98 | 0 /* depth */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 99 | name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 100 | name /* sanitizedName */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 101 | isReader /* nameIsPointer */, |
| 102 | parcelObj, |
| 103 | parcelObjIsPointer, |
| 104 | isReader, |
| 105 | mode, |
| 106 | parentName, |
| 107 | "0 /* parentOffset */"); |
| 108 | } |
| 109 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 110 | void FmqType::emitReaderWriterEmbedded( |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 111 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 112 | size_t /* depth */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 113 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 114 | const std::string & /* sanitizedName */, |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 115 | bool nameIsPointer, |
| 116 | const std::string &parcelObj, |
| 117 | bool parcelObjIsPointer, |
| 118 | bool isReader, |
| 119 | ErrorMode mode, |
| 120 | const std::string &parentName, |
| 121 | const std::string &offsetText) const { |
| 122 | emitReaderWriterEmbeddedForTypeName( |
| 123 | out, |
| 124 | name, |
| 125 | nameIsPointer, |
| 126 | parcelObj, |
| 127 | parcelObjIsPointer, |
| 128 | isReader, |
| 129 | mode, |
| 130 | parentName, |
| 131 | offsetText, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 132 | fullName(), |
| 133 | "" /* childName */, |
| 134 | mNamespace); |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 135 | } |
| 136 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 137 | bool FmqType::isJavaCompatible() const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 138 | return false; |
| 139 | } |
| 140 | |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 141 | // All MQDescriptor<T, flavor> have the same size. |
| 142 | static HidlTypeAssertion assertion( |
| 143 | "MQDescriptor<char, ::android::hardware::kSynchronizedReadWrite>", 32); |
| 144 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 145 | void FmqType::getAlignmentAndSize( |
| 146 | size_t *align, size_t *size) const { |
| 147 | *align = 8; // MQDescriptor<> |
Andreas Huber | 6755e9d | 2017-04-06 11:09:07 -0700 | [diff] [blame] | 148 | *size = assertion.size(); |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 149 | } |
| 150 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 151 | bool FmqType::needsEmbeddedReadWrite() const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 152 | return true; |
| 153 | } |
| 154 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 155 | bool FmqType::resultNeedsDeref() const { |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 156 | return true; |
| 157 | } |
| 158 | |
Hridya Valsaraju | a32bde8 | 2016-12-27 11:47:46 -0800 | [diff] [blame] | 159 | bool FmqType::isCompatibleElementType(Type *elementType) const { |
| 160 | return (!elementType->isInterface() && !elementType->needsEmbeddedReadWrite()); |
| 161 | } |
| 162 | |
Zhuoyao Zhang | e966784 | 2017-01-19 12:35:32 -0800 | [diff] [blame] | 163 | std::string FmqType::getVtsType() const { |
| 164 | if (mName == "MQDescriptorSync") { |
| 165 | return "TYPE_FMQ_SYNC"; |
| 166 | } else if (mName == "MQDescriptorUnsync") { |
| 167 | return "TYPE_FMQ_UNSYNC"; |
| 168 | } else { |
| 169 | LOG(ERROR) << "Invalid fmq type name.\n"; |
| 170 | } |
| 171 | return ""; |
| 172 | } |
| 173 | |
| 174 | std::string FmqType::getVtsValueName() const { |
| 175 | return "fmq_value"; |
| 176 | } |
Andreas Huber | 4b2cf35 | 2016-08-31 13:58:19 -0700 | [diff] [blame] | 177 | } // namespace android |
| 178 | |