You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.3 KiB
84 lines
2.3 KiB
//
|
|
// Copyright 2015 Google, Inc.
|
|
//
|
|
// 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 "bluetooth/advertise_data.h"
|
|
|
|
#include <base/logging.h>
|
|
|
|
#include "stack/include/bt_types.h"
|
|
#include "stack/include/hcidefs.h"
|
|
|
|
namespace bluetooth {
|
|
|
|
AdvertiseData::AdvertiseData(const std::vector<uint8_t>& data) : data_(data) {}
|
|
|
|
AdvertiseData::AdvertiseData() {}
|
|
|
|
AdvertiseData::AdvertiseData(const AdvertiseData& other) : data_(other.data_) {}
|
|
|
|
bool AdvertiseData::IsValid() const {
|
|
size_t len = data_.size();
|
|
|
|
// Consider empty data as valid.
|
|
if (!len) return true;
|
|
|
|
for (size_t i = 0, field_len = 0; i < len; i += (field_len + 1)) {
|
|
field_len = data_[i];
|
|
|
|
// If the length of the current field would exceed the total data length,
|
|
// then the data is badly formatted.
|
|
if (i + field_len >= len) {
|
|
VLOG(1) << "Advertising data badly formatted";
|
|
return false;
|
|
}
|
|
|
|
// A field length of 0 would be invalid as it should at least contain the
|
|
// EIR field type.
|
|
if (field_len < 1) return false;
|
|
|
|
uint8_t type = data_[i + 1];
|
|
|
|
// Clients are not allowed to set the following EIR fields as these are
|
|
// managed by stack.
|
|
switch (type) {
|
|
case HCI_EIR_FLAGS_TYPE:
|
|
case HCI_EIR_OOB_BD_ADDR_TYPE:
|
|
case HCI_EIR_OOB_COD_TYPE:
|
|
case HCI_EIR_OOB_SSP_HASH_C_TYPE:
|
|
case HCI_EIR_OOB_SSP_RAND_R_TYPE:
|
|
VLOG(1) << "Cannot set EIR field type: " << type;
|
|
return false;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool AdvertiseData::operator==(const AdvertiseData& rhs) const {
|
|
return data_ == rhs.data_;
|
|
}
|
|
|
|
AdvertiseData& AdvertiseData::operator=(const AdvertiseData& other) {
|
|
if (this == &other) return *this;
|
|
|
|
data_ = other.data_;
|
|
return *this;
|
|
}
|
|
|
|
} // namespace bluetooth
|