1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "VehicleUtils.h"
namespace android {
namespace hardware {
namespace automotive {
namespace vehicle {
using ::aidl::android::hardware::automotive::vehicle::StatusCode;
using ::aidl::android::hardware::automotive::vehicle::VehicleAreaConfig;
using ::aidl::android::hardware::automotive::vehicle::VehiclePropConfig;
using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyGroup;
using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyType;
using ::aidl::android::hardware::automotive::vehicle::VehiclePropValue;
using ::android::base::Error;
using ::android::base::Result;
using ::ndk::ScopedAStatus;
Result<void> checkPropValue(const VehiclePropValue& value, const VehiclePropConfig* config) {
int32_t property = value.prop;
VehiclePropertyType type = getPropType(property);
switch (type) {
case VehiclePropertyType::BOOLEAN:
[[fallthrough]];
case VehiclePropertyType::INT32:
if (value.value.int32Values.size() != 1) {
return Error() << "expect 1 int32Values for INT32 type";
}
break;
case VehiclePropertyType::INT32_VEC:
if (value.value.int32Values.size() < 1) {
return Error() << "expect >=1 int32Values for INT32_VEC type";
}
break;
case VehiclePropertyType::INT64:
if (value.value.int64Values.size() != 1) {
return Error() << "expect 1 int64Values for INT64 type";
}
break;
case VehiclePropertyType::INT64_VEC:
if (value.value.int64Values.size() < 1) {
return Error() << "expect >=1 int64Values for INT64_VEC type";
}
break;
case VehiclePropertyType::FLOAT:
if (value.value.floatValues.size() != 1) {
return Error() << "expect 1 floatValues for FLOAT type";
}
break;
case VehiclePropertyType::FLOAT_VEC:
if (value.value.floatValues.size() < 1) {
return Error() << "expect >=1 floatValues for FLOAT_VEC type";
}
break;
case VehiclePropertyType::BYTES:
// We allow setting an empty bytes array.
break;
case VehiclePropertyType::STRING:
// We allow setting an empty string.
break;
case VehiclePropertyType::MIXED:
if (getPropGroup(property) == VehiclePropertyGroup::VENDOR) {
// We only checks vendor mixed properties.
return checkVendorMixedPropValue(value, config);
}
break;
default:
return Error() << "unknown property type: " << toInt(type);
}
return {};
}
Result<void> checkVendorMixedPropValue(const VehiclePropValue& value,
const VehiclePropConfig* config) {
auto configArray = config->configArray;
// configArray[0], 1 indicates the property has a String value, we allow the string value to
// be empty.
size_t int32Count = 0;
// configArray[1], 1 indicates the property has a Boolean value.
if (configArray[1] == 1) {
int32Count++;
}
// configArray[2], 1 indicates the property has an Integer value.
if (configArray[2] == 1) {
int32Count++;
}
// configArray[3], the number indicates the size of Integer[] in the property.
int32Count += static_cast<size_t>(configArray[3]);
size_t int32Size = value.value.int32Values.size();
if (int32Size != int32Count) {
return Error() << "invalid mixed property, got " << int32Size << " int32Values, expect "
<< int32Count;
}
size_t int64Count = 0;
// configArray[4], 1 indicates the property has a Long value.
if (configArray[4] == 1) {
int64Count++;
}
// configArray[5], the number indicates the size of Long[] in the property.
int64Count += static_cast<size_t>(configArray[5]);
size_t int64Size = value.value.int64Values.size();
if (int64Size != int64Count) {
return Error() << "invalid mixed property, got " << int64Size << " int64Values, expect "
<< int64Count;
}
size_t floatCount = 0;
// configArray[6], 1 indicates the property has a Float value.
if (configArray[6] == 1) {
floatCount++;
}
// configArray[7], the number indicates the size of Float[] in the property.
floatCount += static_cast<size_t>(configArray[7]);
size_t floatSize = value.value.floatValues.size();
if (floatSize != floatCount) {
return Error() << "invalid mixed property, got " << floatSize << " floatValues, expect "
<< floatCount;
}
// configArray[8], the number indicates the size of byte[] in the property.
size_t byteSize = value.value.byteValues.size();
size_t byteCount = static_cast<size_t>(configArray[8]);
if (byteCount != 0 && byteSize != byteCount) {
return Error() << "invalid mixed property, got " << byteSize << " byteValues, expect "
<< byteCount;
}
return {};
}
Result<void> checkValueRange(const VehiclePropValue& value, const VehicleAreaConfig* areaConfig) {
if (areaConfig == nullptr) {
return {};
}
int32_t property = value.prop;
VehiclePropertyType type = getPropType(property);
switch (type) {
case VehiclePropertyType::INT32:
[[fallthrough]];
case VehiclePropertyType::INT32_VEC:
if (areaConfig->minInt32Value == 0 && areaConfig->maxInt32Value == 0) {
break;
}
for (int32_t int32Value : value.value.int32Values) {
if (int32Value < areaConfig->minInt32Value ||
int32Value > areaConfig->maxInt32Value) {
return Error() << "int32Value: " << int32Value
<< " out of range, min: " << areaConfig->minInt32Value
<< " max: " << areaConfig->maxInt32Value;
}
}
break;
case VehiclePropertyType::INT64:
[[fallthrough]];
case VehiclePropertyType::INT64_VEC:
if (areaConfig->minInt64Value == 0 && areaConfig->maxInt64Value == 0) {
break;
}
for (int64_t int64Value : value.value.int64Values) {
if (int64Value < areaConfig->minInt64Value ||
int64Value > areaConfig->maxInt64Value) {
return Error() << "int64Value: " << int64Value
<< " out of range, min: " << areaConfig->minInt64Value
<< " max: " << areaConfig->maxInt64Value;
}
}
break;
case VehiclePropertyType::FLOAT:
[[fallthrough]];
case VehiclePropertyType::FLOAT_VEC:
if (areaConfig->minFloatValue == 0.f && areaConfig->maxFloatValue == 0.f) {
break;
}
for (float floatValue : value.value.floatValues) {
if (floatValue < areaConfig->minFloatValue ||
floatValue > areaConfig->maxFloatValue) {
return Error() << "floatValue: " << floatValue
<< " out of range, min: " << areaConfig->minFloatValue
<< " max: " << areaConfig->maxFloatValue;
}
}
break;
default:
// We don't check the rest of property types. Additional logic needs to be added if
// required in VehicleHardware, e.g. you might want to check the range for mixed
// property.
break;
}
return {};
}
StatusCode VhalError::value() const {
return mCode;
}
std::string VhalError::print() const {
return aidl::android::hardware::automotive::vehicle::toString(mCode);
}
} // namespace vehicle
} // namespace automotive
} // namespace hardware
} // namespace android
|
