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 #define LOG_TAG "device_properties" 18 19 #include "device_properties.h" 20 21 #include <memory> 22 23 #include <base/logging.h> 24 #include "base/files/file_util.h" 25 #include "base/json/json_reader.h" 26 #include "base/values.h" 27 28 #include "osi/include/log.h" 29 #include "osi/include/osi.h" 30 #include "stack/include/hcidefs.h" 31 32 using std::vector; 33 34 namespace { 35 // Functions used by JSONValueConverter to read stringified JSON. 36 bool ParseUint8t(const base::StringPiece& value, uint8_t* field) { 37 *field = std::stoi(value.as_string()); 38 return true; 39 } 40 41 bool ParseUint16t(const base::StringPiece& value, uint16_t* field) { 42 *field = std::stoi(value.as_string()); 43 return true; 44 } 45 46 } // namespace 47 48 namespace test_vendor_lib { 49 50 DeviceProperties::DeviceProperties(const std::string& file_name) 51 : acl_data_packet_size_(1024), 52 sco_data_packet_size_(255), 53 num_acl_data_packets_(10), 54 num_sco_data_packets_(10), 55 version_(HCI_PROTO_VERSION_4_1), 56 revision_(0), 57 lmp_pal_version_(7), /* 4.1 */ 58 manufacturer_name_(0), 59 lmp_pal_subversion_(0), 60 le_data_packet_length_(27), 61 num_le_data_packets_(15), 62 le_white_list_size_(15) { 63 std::string properties_raw; 64 65 local_extended_features_ = {0xffffffffffffffff, 0x7}; 66 67 CHECK(address_.FromString("01:02:03:04:05:06")); 68 local_name_ = "DefaultName"; 69 70 supported_codecs_ = {1}; 71 vendor_specific_codecs_ = {}; 72 73 for (int i = 0; i < 64; i++) local_supported_commands_.push_back(0xff); 74 75 le_supported_features_ = 0x1f; 76 le_supported_states_ = 0x3ffffffffff; 77 le_vendor_cap_ = {}; 78 79 LOG_INFO(LOG_TAG, "Reading controller properties from %s.", 80 file_name.c_str()); 81 if (!base::ReadFileToString(base::FilePath(file_name), &properties_raw)) { 82 LOG_ERROR(LOG_TAG, "Error reading controller properties from file."); 83 return; 84 } 85 86 std::unique_ptr<base::Value> properties_value_ptr = 87 base::JSONReader::Read(properties_raw); 88 if (properties_value_ptr.get() == nullptr) 89 LOG_INFO(LOG_TAG, 90 "Error controller properties may consist of ill-formed JSON."); 91 92 // Get the underlying base::Value object, which is of type 93 // base::Value::TYPE_DICTIONARY, and read it into member variables. 94 base::Value& properties_dictionary = *(properties_value_ptr.get()); 95 base::JSONValueConverter<DeviceProperties> converter; 96 97 if (!converter.Convert(properties_dictionary, this)) 98 LOG_INFO(LOG_TAG, 99 "Error converting JSON properties into Properties object."); 100 } 101 102 // static 103 void DeviceProperties::RegisterJSONConverter( 104 base::JSONValueConverter<DeviceProperties>* converter) { 105 // TODO(dennischeng): Use RegisterIntField() here? 106 #define REGISTER_UINT8_T(field_name, field) \ 107 converter->RegisterCustomField<uint8_t>( \ 108 field_name, &DeviceProperties::field, &ParseUint8t); 109 #define REGISTER_UINT16_T(field_name, field) \ 110 converter->RegisterCustomField<uint16_t>( \ 111 field_name, &DeviceProperties::field, &ParseUint16t); 112 REGISTER_UINT16_T("AclDataPacketSize", acl_data_packet_size_); 113 REGISTER_UINT8_T("ScoDataPacketSize", sco_data_packet_size_); 114 REGISTER_UINT16_T("NumAclDataPackets", num_acl_data_packets_); 115 REGISTER_UINT16_T("NumScoDataPackets", num_sco_data_packets_); 116 REGISTER_UINT8_T("Version", version_); 117 REGISTER_UINT16_T("Revision", revision_); 118 REGISTER_UINT8_T("LmpPalVersion", lmp_pal_version_); 119 REGISTER_UINT16_T("ManufacturerName", manufacturer_name_); 120 REGISTER_UINT16_T("LmpPalSubversion", lmp_pal_subversion_); 121 #undef REGISTER_UINT8_T 122 #undef REGISTER_UINT16_T 123 } 124 125 } // namespace test_vendor_lib 126