Files
nearby/presence/implementation/base_broadcast_request.cc
T
2022-08-19 10:43:41 -07:00

62 lines
1.9 KiB
C++

// Copyright 2022 Google LLC
//
// 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
//
// https://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 "presence/implementation/base_broadcast_request.h"
#include <string>
#include "absl/strings/string_view.h"
#include "internal/platform/logging.h"
#include "presence/implementation/encryption.h"
namespace nearby {
namespace presence {
constexpr size_t kSaltSize = 2;
BasePresenceRequestBuilder& BasePresenceRequestBuilder::SetSalt(
absl::string_view salt) {
if (salt.size() != kSaltSize) {
NEARBY_LOG(WARNING, "Unsupported salt length: %d", salt.size());
} else {
salt_ = std::string(salt);
}
return *this;
}
BasePresenceRequestBuilder& BasePresenceRequestBuilder::SetTxPower(
int8_t tx_power) {
tx_power_ = tx_power;
return *this;
}
BasePresenceRequestBuilder& BasePresenceRequestBuilder::SetAction(
const Action& action) {
action_ = action;
return *this;
}
BasePresenceRequestBuilder::operator BaseBroadcastRequest() const {
BaseBroadcastRequest::BasePresence presence{.identity = identity_,
.action = action_};
BaseBroadcastRequest broadcast_request{
.variant = presence,
.salt = salt_.size() == kSaltSize
? salt_
: Encryption::GenerateRandomByteArray(kSaltSize),
.tx_power = tx_power_};
return broadcast_request;
}
} // namespace presence
} // namespace nearby