xref: /foundation/multimodalinput/input/util/socket/include/uds_socket.h

/*
 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 * 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
 *
 * http://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 UDS_SOCKET_H
#define UDS_SOCKET_H

#include <atomic>
#include <string>

#include <fcntl.h>
#include <sys/epoll.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>

#include "nocopyable.h"

#include "circle_stream_buffer.h"
#include "define_multimodal.h"
#include "net_packet.h"

namespace OHOS {
namespace MMI {
class UDSSocket {
public:
    UDSSocket();
    DISALLOW_COPY_AND_MOVE(UDSSocket);
    virtual ~UDSSocket();
    using PacketCallBackFun = std::function<void(NetPacket&)>;

    int32_t EpollCreate(int32_t size);
    int32_t EpollCtl(int32_t fd, int32_t op, struct epoll_event &event, int32_t epollFd = -1);
    int32_t EpollWait(struct epoll_event &events, int32_t maxevents, int32_t timeout, int32_t epollFd = -1);
    void OnReadPackets(CircleStreamBuffer &buf, PacketCallBackFun callbackFun);
    void EpollClose();
    void Close();

    int32_t GetFd() const
    {
        return fd_;
    }
    int32_t GetEpollFd() const
    {
        return epollFd_;
    }

protected:
    int32_t fd_ { -1 };
    int32_t epollFd_ { -1 };
};
} // namespace MMI
} // namespace OHOS
#endif // UDS_SOCKET_H