///////////////////////////////////////////////////////////
//  Network.h
//  Implementation of the Class Network
//  Created on:      14-һ-2008 16:31:53
//  Original author: Aitec
///////////////////////////////////////////////////////////

#if !defined(EA_76114261_477A_4b62_88C9_C98E8452015D__INCLUDED_)
#define EA_76114261_477A_4b62_88C9_C98E8452015D__INCLUDED_

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef __linux__
  #include <unistd.h>
  #include <errno.h>
  #include <netinet/tcp.h>
  #include <arpa/inet.h>
  #include <fcntl.h>
  #include <netinet/in.h>
  #include <sys/socket.h>
  #include <sys/types.h>
  #include <sys/select.h>
  #include <sys/un.h>
  #include <sys/stat.h>
#elif  _WIN32       /* win32 */
  #include <winsock2.h>
  #include <ws2tcpip.h>
  #define ssize_t     unsigned int
  #define u_int8_t    unsigned char
  #define u_int16_t   unsigned short
  #define u_int32_t   unsigned int
  #define socklen_t   int
#else           /* other os */
  #include <unistd.h>
  #include <errno.h>
  #include <netinet/tcp.h>
  #include <arpa/inet.h>
  #include <fcntl.h>
  #include <netinet/in.h>
  #include <sys/socket.h>
  #include <sys/types.h>
  #include <sys/select.h>
  #include <sys/un.h>
#endif


#ifndef UNIX_PATH_MAX
  #define UNIX_PATH_MAX 108
#endif

#ifndef IPADDR_LEN
  #define IPADDR_LEN    24
#endif

#ifndef RET_SUCCESS
  #define RET_SUCCESS   0
#endif

#ifndef RET_ERROR
  #define RET_ERROR     -1
#endif

class Network
{
  public:
    // tcp
    static  int   MakeTCPServer ( u_int16_t port );
    static  int   MakeTCPClient ( const char* ipaddr, u_int16_t port );
    static  int   MakeTCPClient ( const char* ipaddr, u_int16_t port, bool const& cancel );
    static  int   MakeTCPClient ( const char* ipaddr, u_int16_t port, int msec );
    static  int   MakeTCPClient ( u_int32_t ipaddr, u_int16_t port );
    static  int   MakeTCPClient ( u_int32_t ipaddr, u_int16_t port, bool const& cancel );
    static  int   MakeTCPClient ( u_int32_t ipaddr, u_int16_t port, int msec );
  public:
    // udp
    static  int   MakeUDPServer ( u_int16_t port );
    static  int   MakeUDPClient();
    static  int   MakeBcClient();//broadcast client
    #ifdef __linux__
  public:
    // unix
    static  int   MakeUnixServer ( const char* filename );
    static  int   MakeUnixClient ( const char* filename );
    #endif
  public:
    // tcp and unix
    static  int   MakeAccept ( int listenfd );
    static  int   MakeAccept ( int listenfd, struct sockaddr* saddr );
  public:
    // tcpudp and unix
    static  int   Select ( int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, struct timeval* tv );
  public:
    // tcp and unix io
    static  ssize_t Sendn ( int fd, const void* vptr, ssize_t n );
    static  ssize_t Recvn ( int fd, void* vptr, ssize_t n );
  public:
    // udp io
    static  ssize_t SendTo  ( int sockfd, const void* vptr, ssize_t n, int flags, const struct sockaddr* addr, socklen_t len );
    static  ssize_t RecvFrom ( int sockfd, void* vptr, ssize_t n, int flags, struct sockaddr* addr, socklen_t* len );
    static  ssize_t RecvFrom ( int sockfd, void* vptr, ssize_t n, int flags );
  public:
    // tcpudp and unix
    static  int   Close ( int sockfd );
  public:
    // udp
    static  int   JoinMultiCast ( int sockfd, struct ip_mreq* command );
    static  int   QuitMultiCast ( int sockfd, struct ip_mreq* command );
  public:
    // tcpudp and unix
    static  int   SetNonBlock ( int sockfd );
    static  int   SetBlock ( int sockfd );
  public:
    // tcp and unix
    static  int   SetNonKeepLive ( int sockfd );
    static  int   SetKeepLive ( int sockfd, int idle, int intvl, int cnt );
  public:
    // tcpudp and unix
    static  int   SetSendBuf ( int sockfd, int Size );
    static  int   SetRecvBuf ( int sockfd, int Size );
  public:
    // tcp and unix
    static  int   SetNonDelay ( int sockfd );
    static  int   SetDelay ( int sockfd );

  public:
    //tcp
    static int    SetLinger ( int sockfd );
  public:
    //udp broadcast
    static int    SetSockAddr ( struct sockaddr_in* socketAddr, int port );
  public:
    // tcp and unix
    static bool   GetLocalIp ( int sockfd, char* ipaddr );
    static bool   GetRemoteIp ( int sockfd, char* ipaddr );
  private:
    static int    Connect1 ( const char* ipaddr, u_int16_t port, int msec, const bool& cancel );
    static int    Connect1 ( u_int32_t ipaddr, u_int16_t port, int msec, const bool& cancel );
    static int    Connect2 ( u_int32_t ipaddr, u_int16_t port, int msec, const bool& cancel );
    static int    Connect3 ( int sockfd, const struct sockaddr* saptr, socklen_t salen, int msec, const bool& cancel );
  public:
    static int    MakeInetServer ( u_int16_t port );
    static int    MakeInetClient ( char* ipaddr, u_int16_t port );
    static int    MakeInetClient ( char* ipaddr, u_int16_t port, int const& cancel );
    static int    MakeInetClientFast ( char* ipaddr, u_int16_t port, int waitmilliseconds );
    static ssize_t  Readn ( int fd, void* vptr, ssize_t n );
    static ssize_t  Writen ( int fd, void* vptr, ssize_t n );
};
#endif // !defined(EA_76114261_477A_4b62_88C9_C98E8452015D__INCLUDED_)