mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
// Copyright 2023 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.
|
|
|
|
#ifndef PLATFORM_IMPL_LINUX_BLUETOOTH_SOCKET_H_
|
|
#define PLATFORM_IMPL_LINUX_BLUETOOTH_SOCKET_H_
|
|
|
|
#include <memory>
|
|
#include <optional>
|
|
|
|
#include <sdbus-c++/Types.h>
|
|
#include <sys/poll.h>
|
|
#include <systemd/sd-bus.h>
|
|
|
|
#include "internal/platform/exception.h"
|
|
#include "internal/platform/implementation/bluetooth_classic.h"
|
|
#include "internal/platform/implementation/linux/bluetooth_classic_device.h"
|
|
#include "internal/platform/input_stream.h"
|
|
#include "internal/platform/output_stream.h"
|
|
|
|
namespace nearby {
|
|
namespace linux {
|
|
// BlueZ's NewConnection gives us a non-blocking FD, so we need to poll
|
|
// it to be able to write/read bytes.
|
|
class Poller final {
|
|
public:
|
|
static Poller CreateInputPoller(const sdbus::UnixFd &fd) {
|
|
return Poller(fd, POLLIN);
|
|
}
|
|
|
|
static Poller CreateOutputPoller(const sdbus::UnixFd &fd) {
|
|
return Poller(fd, POLLOUT);
|
|
}
|
|
|
|
Exception Ready();
|
|
|
|
private:
|
|
Poller(const sdbus::UnixFd &fd, short event) : poll_event_(event) {
|
|
fds_[0].fd = fd.get();
|
|
fds_[0].events = event;
|
|
}
|
|
|
|
short poll_event_;
|
|
struct pollfd fds_[1];
|
|
};
|
|
|
|
class BluetoothInputStream final : public nearby::InputStream {
|
|
public:
|
|
explicit BluetoothInputStream(sdbus::UnixFd fd) : fd_(std::move(fd)){};
|
|
|
|
ExceptionOr<ByteArray> Read(std::int64_t size) override;
|
|
Exception Close() override;
|
|
|
|
private:
|
|
sdbus::UnixFd fd_;
|
|
};
|
|
|
|
class BluetoothOutputStream : public nearby::OutputStream {
|
|
public:
|
|
explicit BluetoothOutputStream(sdbus::UnixFd fd) : fd_(std::move(fd)){};
|
|
|
|
Exception Write(const ByteArray &data) override;
|
|
Exception Flush() override { return {Exception::kSuccess}; }
|
|
Exception Close() override;
|
|
|
|
private:
|
|
sdbus::UnixFd fd_;
|
|
};
|
|
|
|
class BluetoothSocket final : public api::BluetoothSocket {
|
|
public:
|
|
BluetoothSocket(std::shared_ptr<BluetoothDevice> device,
|
|
const sdbus::UnixFd &fd)
|
|
: device_(std::move(device)), output_stream_(fd), input_stream_(fd) {}
|
|
|
|
nearby::InputStream &GetInputStream() override { return input_stream_; }
|
|
nearby::OutputStream &GetOutputStream() override { return output_stream_; }
|
|
Exception Close() override {
|
|
input_stream_.Close();
|
|
output_stream_.Close();
|
|
|
|
return Exception{Exception::kSuccess};
|
|
}
|
|
api::BluetoothDevice *GetRemoteDevice() override { return device_.get(); };
|
|
|
|
private:
|
|
std::shared_ptr<BluetoothDevice> device_;
|
|
BluetoothOutputStream output_stream_;
|
|
BluetoothInputStream input_stream_;
|
|
};
|
|
} // namespace linux
|
|
} // namespace nearby
|
|
#endif
|