156 lines
7.2 KiB
C
156 lines
7.2 KiB
C
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#ifndef HGL_SOCKET_INCLUDE
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#define HGL_SOCKET_INCLUDE
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#include<hgl/network/IP.h>
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//#define HGL_RECV_BYTE_COUNT ///<接收字节数统计(调试用)
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//#define HGL_SEND_BYTE_COUNT ///<发送字节数统计(调试用)
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//#define HGL_SOCKET_SEND_LIMIT_SIZE ///<发送限制包尺寸,默认为不限制
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namespace hgl
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{
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namespace io
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{
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class DataInputStream;
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class DataOutputStream;
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}//namespace io
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namespace network ///网络相关处理模块名字空间
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{
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constexpr uint HGL_NETWORK_MAX_PORT =65535; ///<最大端口号
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constexpr uint HGL_NETWORK_IPv4_STR_MIN =7; ///<IPv4字符串最小字符数(0.0.0.0)
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constexpr uint HGL_NETWORK_IPV4_STR_MAX =21; ///<IPv4字符串最大长度(255.255.255.255:65535)
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enum SocketError
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{
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nseNoError =0, ///<没有错误
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nseInt =4, ///<系统中断呼叫，一般出现在Debug时的人工中断
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nseIOError =5, ///<I/O错误
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nseTooManyLink =24, ///<太多连接
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nseBrokenPipe =32, ///<管道破裂，一般是因为发送到一半对方断开所引起
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#if HGL_OS == HGL_OS_Windows
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nseWouldBlock =WSAEWOULDBLOCK,
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nseSoftwareBreak=WSAECONNABORTED, ///<我方软件主动断开
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nsePeerBreak =WSAECONNRESET, ///<对方主动断开
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nseTimeOut =WSAETIMEDOUT, ///<超时
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#else
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nseWouldBlock =EWOULDBLOCK, ///<请再次尝试(EAGIN/EWOULDBLACK值是一样的)
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nseSoftwareBreak=ECONNABORTED, ///<我方软件主动断开
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nsePeerBreak =ECONNRESET, ///<对方主动断开
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nseTimeOut =ETIMEDOUT, ///<超时
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#endif//
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};//enum SocketError
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/**
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* Raw Packet length:
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* UDP: MTU - IPHeader(20) - UDPHeader(8)
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* TCP: MTU - IPHeader(20) - TCPHeader(20)
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*
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* Normal MTU:
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* 1500 (Ethernet, DSL broadband)
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* 1492 (PPPoE broadband)
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* 576 (dial-up)
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*/
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constexpr uint HGL_SERVER_LISTEN_COUNT =SOMAXCONN; ///<Server最大监听数量
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//Linux 是 128
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//winsock 1.x SOMAXCONN是5
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//winsock 2.x SOMAXCONN是0x7fffffff
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constexpr uint HGL_NETWORK_TIME_OUT =HGL_TIME_ONE_MINUTE; ///<默认超时时间
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constexpr uint HGL_NETWORK_HEART_TIME =HGL_NETWORK_TIME_OUT/2; ///<默认心跳时间(注：心跳并不是每隔指定时间都发送，而是离上一次发送任意封包超过指定时间才发送)
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constexpr uint HGL_NETWORK_DOUBLE_TIME_OUT =HGL_NETWORK_TIME_OUT*2; ///<2次超时时间
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constexpr uint HGL_SERVER_OVERLOAD_RESUME_TIME =10; ///<服务器超载再恢复等待时间
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constexpr uint HGL_TCP_BUFFER_SIZE =HGL_SIZE_1KB*256; ///<TCP缓冲区大小
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typedef int32 HGL_PACKET_SIZE; ///<包长度数据类型定义
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typedef uint32 HGL_PACKET_TYPE; ///<包类型数据类型定义
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constexpr uint HGL_PACKET_SIZE_BYTES =sizeof(HGL_PACKET_SIZE); ///<包长度数据类型字节数
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constexpr uint HGL_PACKET_TYPE_BYTES =sizeof(HGL_PACKET_TYPE); ///<包类型数据类型字节数
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constexpr uint HGL_PACKET_HEADER_BYTES =HGL_PACKET_SIZE_BYTES+HGL_PACKET_TYPE_BYTES; ///<包头数据类型字节数
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class Socket;
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class IOSocket;
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#if HGL_OS == HGL_OS_Windows
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bool InitWinSocket();
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#endif//HGL_OS == HGL_OS_Windows
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}//namespace network
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namespace network
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{
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int CreateSocket(const IPAddress *); ///<创建Socket
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void CloseSocket(int); ///<关闭socket
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bool Connect(int,IPAddress *); ///<连接一个地址
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void SetSocketBlock(int ThisSocket,bool block,double send_time_out=HGL_NETWORK_TIME_OUT,
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double recv_time_out=HGL_NETWORK_TIME_OUT); ///<设置socket是否使用阻塞方式
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void SetSocketLinger(int ThisSocket,int time_out); ///<设置Socket关闭时的确认数据发送成功超时时间
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const os_char *GetSocketString(int);
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#define GetLastSocketErrorString() GetSocketString(GetLastSocketError())
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bool Read(io::DataInputStream *dis,IPAddress *addr);
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bool Write(io::DataOutputStream *dos,const IPAddress *addr);
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/**
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* 所有Socket通信类的基类
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*/
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class Socket ///Socket基类
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{
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protected:
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IPAddress *ThisAddress; ///<本Socket地址
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bool InitSocket(const IPAddress *); ///<创建Socket
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public: //属性
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int ThisSocket; ///<当前socket编号
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public: //方法
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Socket();
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Socket(int,const IPAddress *);
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virtual ~Socket();
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const IPAddress *GetAddress()const{return ThisAddress;} ///<取得当前Socket的IP地址
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virtual bool UseSocket(int,const IPAddress *); ///<使用这个Socket与地址
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virtual bool ReCreateSocket(); ///<使用现有地址重新创建Socket
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virtual void CloseSocket(); ///<关闭连接
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/**
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* 设置是否使用堵塞方式传输
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* @param block 是否使用堵塞方式(true/false)
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* @param sto 发送数据超时时间(单位: 秒)
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* @param rto 接收数据超时时间(单位: 秒)
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*/
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void SetBlock(bool block,double sto=HGL_NETWORK_TIME_OUT,
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double rto=HGL_NETWORK_TIME_OUT) ///<设置是否使用堵塞方式
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{
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SetSocketBlock(ThisSocket,block,sto,rto);
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}
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// public: //被动事件函数
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//
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// virtual void ProcDisconnect()=0; ///<断线事件处理函数
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};//class Socket
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}//namespace network
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using namespace network;
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}//namespace hgl
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#endif//HGL_SOCKET_INCLUDE
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