//获取本地IP地址和对端IP地址

//获取本地IP地址
CHAR * GetLocalIpAdrr(int fd)
{
    struct sockaddr_in stHost;
    memset(&stHost, 0, sizeof(stHost));

#ifdef _WIN32
    INT iLen = sizeof(stHost);
#else
    socklen_t iLen = sizeof(stHost);
#endif
    CHAR * szHostIp;

    if(0 != getsockname((UINT)fd, (sockaddr *)&stHost, &iLen))
    {
        g_enErrorCode = PU_ERROR_CODE_SOCKET_ERROR;
        return NULL;
    }
    szHostIp = inet_ntoa(stHost.sin_addr);

    return szHostIp;
}

//获取对端IP地址
CHAR * GetRemoteIpAddr(int fd)
{
    struct sockaddr_in stRemote;
    memset(&stRemote, 0, sizeof(stRemote));

#ifdef _WIN32
    INT iLen = sizeof(stRemote);
#else
    socklen_t iLen = sizeof(stRemote);
#endif
    CHAR * szRemoteIp;

    if (0 != getpeername((UINT)fd, (sockaddr *)&stRemote, &iLen))
    {
        g_enErrorCode = PU_ERROR_CODE_SOCKET_ERROR;
        return NULL;
    }
    szRemoteIp = inet_ntoa(stRemote.sin_addr);
    return szRemoteIp;
}