mirror of
https://github.com/kidfromjupiter/nearby.git
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40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "internal/weave/packet_sequence_number_generator.h"
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#include "internal/platform/mutex_lock.h"
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#include "internal/weave/packet.h"
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namespace nearby {
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namespace weave {
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int PacketSequenceNumberGenerator::Next() {
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MutexLock lock(&mutex_);
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int next_packet_counter = packet_counter_;
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if (next_packet_counter == Packet::kMaxPacketCounter) {
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packet_counter_ = 0;
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} else {
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++packet_counter_;
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}
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return next_packet_counter;
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}
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void PacketSequenceNumberGenerator::Reset() {
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MutexLock lock(&mutex_);
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packet_counter_ = 0;
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}
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} // namespace weave
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} // namespace nearby
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