1 /*
2 * Copyright 2015 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 "device_properties.h"
18
19 #include <memory>
20
21 #include "base/files/file_util.h"
22 #include "base/json/json_reader.h"
23 #include "base/values.h"
24
25 #include "os/log.h"
26 #include "osi/include/osi.h"
27
28 using std::vector;
29
30 namespace {
31 // Functions used by JSONValueConverter to read stringified JSON.
ParseUint8t(base::StringPiece value,uint8_t * field)32 bool ParseUint8t(base::StringPiece value, uint8_t* field) {
33 *field = std::stoi(value.as_string());
34 return true;
35 }
36
ParseUint16t(base::StringPiece value,uint16_t * field)37 bool ParseUint16t(base::StringPiece value, uint16_t* field) {
38 *field = std::stoi(value.as_string());
39 return true;
40 }
41
42 } // namespace
43
44 namespace test_vendor_lib {
45
DeviceProperties(const std::string & file_name)46 DeviceProperties::DeviceProperties(const std::string& file_name)
47 : acl_data_packet_size_(1024),
48 sco_data_packet_size_(255),
49 num_acl_data_packets_(10),
50 num_sco_data_packets_(10),
51 version_(static_cast<uint8_t>(bluetooth::hci::HciVersion::V_4_1)),
52 revision_(0),
53 lmp_pal_version_(static_cast<uint8_t>(bluetooth::hci::LmpVersion::V_4_1)),
54 manufacturer_name_(0),
55 lmp_pal_subversion_(0),
56 le_data_packet_length_(27),
57 num_le_data_packets_(15),
58 le_connect_list_size_(15),
59 le_resolving_list_size_(15) {
60 std::string properties_raw;
61
62 ASSERT(Address::FromString("BB:BB:BB:BB:BB:AD", address_));
63 ASSERT(Address::FromString("BB:BB:BB:BB:AD:1E", le_address_));
64 name_ = {'D', 'e', 'f', 'a', 'u', 'l', 't'};
65
66 supported_codecs_ = {0}; // Only SBC is supported.
67 vendor_specific_codecs_ = {};
68
69 for (int i = 0; i < 35; i++) supported_commands_.push_back(0xff);
70 // Mark HCI_LE_Transmitter_Test[v2] and newer commands as unsupported
71 // TODO: Implement a better mapping.
72 for (int i = 35; i < 64; i++) supported_commands_.push_back(0x00);
73
74 le_supported_features_ = 0x1f;
75 le_supported_states_ = 0x3ffffffffff;
76 le_vendor_cap_ = {};
77
78 if (file_name.size() == 0) {
79 return;
80 }
81 LOG_INFO("Reading controller properties from %s.", file_name.c_str());
82 if (!base::ReadFileToString(base::FilePath(file_name), &properties_raw)) {
83 LOG_ERROR("Error reading controller properties from file.");
84 return;
85 }
86
87 std::unique_ptr<base::Value> properties_value_ptr = base::JSONReader::Read(properties_raw);
88 if (properties_value_ptr.get() == nullptr) LOG_INFO("Error controller properties may consist of ill-formed JSON.");
89
90 // Get the underlying base::Value object, which is of type
91 // base::Value::TYPE_DICTIONARY, and read it into member variables.
92 base::Value& properties_dictionary = *(properties_value_ptr.get());
93 base::JSONValueConverter<DeviceProperties> converter;
94
95 if (!converter.Convert(properties_dictionary, this))
96 LOG_INFO("Error converting JSON properties into Properties object.");
97 }
98
99 // static
RegisterJSONConverter(base::JSONValueConverter<DeviceProperties> * converter)100 void DeviceProperties::RegisterJSONConverter(base::JSONValueConverter<DeviceProperties>* converter) {
101 // TODO(dennischeng): Use RegisterIntField() here?
102 #define REGISTER_UINT8_T(field_name, field) \
103 converter->RegisterCustomField<uint8_t>(field_name, &DeviceProperties::field, &ParseUint8t);
104 #define REGISTER_UINT16_T(field_name, field) \
105 converter->RegisterCustomField<uint16_t>(field_name, &DeviceProperties::field, &ParseUint16t);
106 REGISTER_UINT16_T("AclDataPacketSize", acl_data_packet_size_);
107 REGISTER_UINT8_T("ScoDataPacketSize", sco_data_packet_size_);
108 REGISTER_UINT8_T("EncryptionKeySize", encryption_key_size_);
109 REGISTER_UINT16_T("NumAclDataPackets", num_acl_data_packets_);
110 REGISTER_UINT16_T("NumScoDataPackets", num_sco_data_packets_);
111 REGISTER_UINT8_T("Version", version_);
112 REGISTER_UINT16_T("Revision", revision_);
113 REGISTER_UINT8_T("LmpPalVersion", lmp_pal_version_);
114 REGISTER_UINT16_T("ManufacturerName", manufacturer_name_);
115 REGISTER_UINT16_T("LmpPalSubversion", lmp_pal_subversion_);
116 #undef REGISTER_UINT8_T
117 #undef REGISTER_UINT16_T
118 }
119
120 } // namespace test_vendor_lib
121