/*
 * .============.
 * // M A K E / \
 * // C++ DEV / \
 * // E A S Y / \/ \
 * ++ ----------. \/\ .
 * \\ \ \ /\ /
 * \\ \ \ /
 * \\ \ \ /
 * -============'
 *
 * Copyright (c) 2018 Hevake and contributors, all rights reserved.
 *
 * This file is part of cpp-tbox (https://github.com/cpp-main/cpp-tbox)
 * Use of this source code is governed by MIT license that can be found
 * in the LICENSE file in the root of the source tree. All contributing
 * project authors may be found in the CONTRIBUTORS.md file in the root
 * of the source tree.
 */
#ifndef TBOX_NETWORK_SOCKET_FD_H_20171105
#define TBOX_NETWORK_SOCKET_FD_H_20171105

#include <sys/socket.h>

#include <tbox/util/fd.h>

namespace tbox {
namespace network {

//! socket 文件描述符
class SocketFd : public util::Fd {
 public:
 SocketFd();
 SocketFd(int fd);
 SocketFd(const Fd &fd);

 using Fd::operator=;
 using Fd::swap;

 //! 显式声明拷贝构造与拷贝赋值,消除 GCC -Wdeprecated-copy 警告
 SocketFd(const SocketFd &other) : Fd(other) { }
 SocketFd& operator=(const SocketFd &other) { return static_cast<SocketFd&>(Fd::operator=(other)); }

 public:
 static SocketFd CreateSocket(int domain, int type, int protocal);
 static SocketFd CreateUdpSocket();
 static SocketFd CreateTcpSocket();

 public: //! socket相关的操作
 int connect(const struct sockaddr *addr, socklen_t addrlen);

 int bind(const struct sockaddr *addr, socklen_t addrlen);
 int listen(int backlog);
 int accept(struct sockaddr *addr, socklen_t *addrlen);

 ssize_t send(const void* data_ptr, size_t data_size, int flag);
 ssize_t recv(void *data_ptr, size_t data_size, int flag);

 ssize_t sendTo(const void* data_ptr, size_t data_size, int flag,
 const sockaddr *dest_addr, socklen_t addrlen);
 ssize_t recvFrom(void* data_ptr, size_t data_size, int flag,
 sockaddr *dest_addr, socklen_t *addrlen);

 int shutdown(int howto);

 public: //! socket相关的设置
 bool getSocketOpt(int level, int optname, void *optval, socklen_t *optlen);
 bool setSocketOpt(int level, int optname, int optval);
 bool setSocketOpt(int level, int optname, const void *optval, socklen_t optlen);

 bool setReuseAddress(bool enable); //! 设置可重用地址
 bool setBroadcast(bool enable); //! 设置是否允许广播
 bool setKeepalive(bool enable); //! 设置是否开启保活

 bool setRecvBufferSize(int size); //! 设置接收缓冲大小
 bool setSendBufferSize(int size); //! 设置发送缓冲大小

 bool setRecvLowWater(int size); //! 设置接收低水位标记
 bool setSendLowWater(int size); //! 设置发送低水位标记

 bool setLinger(bool enable, int linger = 0); //! 设置延迟关闭
};

}
}

#endif //TBOX_NETWORK_SOCKET_FD_H_20171105