mirror of
https://github.com/kidfromjupiter/nearby.git
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109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
// Copyright 2024 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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#ifndef PLATFORM_IMPL_LINUX_BLE_L2CAP_SOCKET_H_
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#define PLATFORM_IMPL_LINUX_BLE_L2CAP_SOCKET_H_
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#include "dbus.h"
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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <string>
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#include "absl/functional/any_invocable.h"
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#include "absl/synchronization/mutex.h"
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#include "absl/time/time.h"
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#include "internal/platform/byte_array.h"
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#include "internal/platform/exception.h"
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#include "internal/platform/implementation/ble.h"
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#include "internal/platform/implementation/linux/stream.h"
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namespace nearby {
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namespace linux {
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class BleL2capSocket;
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class BleL2capInputStream : public nearby::InputStream {
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public:
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BleL2capInputStream(sdbus::UnixFd fd) : stream_(fd) {}
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ExceptionOr<ByteArray> Read(std::int64_t size) override;
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Exception Close() override {
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if (closed_) {
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return {Exception::kSuccess};
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}
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closed_ = true;
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return stream_.Close();
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}
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private:
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linux::InputStream stream_;
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std::string wire_buffer_;
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std::string pending_;
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bool closed_ = false;
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};
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class BleL2capOutputStream : public nearby::OutputStream {
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public:
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BleL2capOutputStream(sdbus::UnixFd fd) : stream_(fd) {}
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Exception Write(absl::string_view data) override;
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Exception Flush() override;
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Exception Close() override {
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if (closed_) {
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return {Exception::kSuccess};
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}
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closed_ = true;
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return stream_.Close();
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}
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private:
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linux::OutputStream stream_;
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bool closed_ = false;
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};
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class BleL2capSocket final : public api::ble::BleL2capSocket {
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public:
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BleL2capSocket(int fd, api::ble::BlePeripheral::UniqueId peripheral_id,
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std::string service_id = "")
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: fd_(sdbus::UnixFd(fd)),
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output_stream_(fd_),
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input_stream_(fd_),
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peripheral_id_(peripheral_id) {};
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nearby::InputStream& GetInputStream() override { return input_stream_; }
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nearby::OutputStream& GetOutputStream() override { return output_stream_; }
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Exception Close() override {
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input_stream_.Close();
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output_stream_.Close();
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return Exception{Exception::kSuccess};
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};
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api::ble::BlePeripheral::UniqueId GetRemotePeripheralId() override {
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return peripheral_id_;
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}
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private:
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sdbus::UnixFd fd_;
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BleL2capOutputStream output_stream_;
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BleL2capInputStream input_stream_;
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api::ble::BlePeripheral::UniqueId peripheral_id_;
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};
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} // namespace linux
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} // namespace nearby
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#endif // PLATFORM_IMPL_LINUX_BLE_L2CAP_SOCKET_H_
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