mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-16 15:36:12 -04:00
114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
// Copyright 2022 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 "sharing/fake_nearby_connection.h"
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#include <stdint.h>
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#include <functional>
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#include <optional>
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#include <queue>
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#include <utility>
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#include <vector>
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#include "absl/synchronization/mutex.h"
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#include "sharing/internal/public/logging.h"
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#include "sharing/nearby_connection.h"
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namespace nearby {
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namespace sharing {
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FakeNearbyConnection::FakeNearbyConnection() = default;
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FakeNearbyConnection::~FakeNearbyConnection() = default;
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void FakeNearbyConnection::Read(ReadCallback callback) {
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NL_DCHECK(!closed_);
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{
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absl::MutexLock lock(&read_mutex_);
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callback_ = std::move(callback);
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}
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MaybeRunCallback();
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}
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void FakeNearbyConnection::Write(std::vector<uint8_t> bytes) {
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NL_DCHECK(!closed_);
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absl::MutexLock lock(&write_mutex_);
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write_data_.push(std::move(bytes));
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}
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void FakeNearbyConnection::Close() {
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NL_DCHECK(!closed_);
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closed_ = true;
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{
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absl::MutexLock lock(&disconnect_mutex_);
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if (disconnect_listener_) {
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std::move(disconnect_listener_)();
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}
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}
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absl::MutexLock lock(&read_mutex_);
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if (callback_) {
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has_read_callback_been_run_ = true;
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auto callback = std::move(callback_);
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callback_ = nullptr;
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callback(std::nullopt);
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}
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}
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void FakeNearbyConnection::SetDisconnectionListener(
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std::function<void()> listener) {
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NL_DCHECK(!closed_);
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absl::MutexLock lock(&disconnect_mutex_);
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disconnect_listener_ = std::move(listener);
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}
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void FakeNearbyConnection::AppendReadableData(std::vector<uint8_t> bytes) {
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NL_DCHECK(!closed_);
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{
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absl::MutexLock lock(&read_mutex_);
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read_data_.push(std::move(bytes));
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}
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MaybeRunCallback();
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}
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std::vector<uint8_t> FakeNearbyConnection::GetWrittenData() {
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absl::MutexLock lock(&write_mutex_);
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if (write_data_.empty()) return {};
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std::vector<uint8_t> bytes = std::move(write_data_.front());
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write_data_.pop();
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return bytes;
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}
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bool FakeNearbyConnection::IsClosed() { return closed_; }
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void FakeNearbyConnection::MaybeRunCallback() {
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NL_DCHECK(!closed_);
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std::vector<uint8_t> item;
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ReadCallback callback;
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{
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absl::MutexLock lock(&read_mutex_);
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if (!callback_ || read_data_.empty()) return;
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item = std::move(read_data_.front());
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read_data_.pop();
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callback = std::move(callback_);
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callback_ = nullptr;
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has_read_callback_been_run_ = true;
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}
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callback(std::move(item));
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}
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} // namespace sharing
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} // namespace nearby
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