Nebula2探秘09-IpcPeer(UDP)

Nebula2探秘09-IpcPeer(UDP)

happykevins文    

    Nebula2有内置了两种IPC（进程间通讯）的解决方案:IpcServer(UDP)和IpcPeer(TCP);下面一段代码展示如何使用Nebula2的IpcPeer。

/* ************************************************************************** */
/*     Nebula2 - Tutorial 09                                                     */
/*   IpcPeer - Using UDP                                                         */
/*   author: happykevins                                                         */
/* ************************************************************************** */

/// ----------------------------------------------------------------------------
///  +必要头文件

//  nebula2 includes
#include  " kernel/nkernelserver.h "
#include  " kernel/nipcpeer.h "

///  -必要头文件
/// ----------------------------------------------------------------------------

/// ----------------------------------------------------------------------------
///  +链接库
#pragma  comment(lib, "wsock32.lib")
#pragma  comment(lib, "d_nkernel.lib")
///  -链接库
/// ----------------------------------------------------------------------------

/// ----------------------------------------------------------------------------
///  +Application
int  main( int  argc,  const   char **  argv)
{
     ///  创建KernelServer
    nKernelServer *  ks  =  n_new(nKernelServer);

     ///  启动网络模块
    WSADATA wsaData;
     int  err  =  WSAStartup( MAKEWORD(  2 ,  2  ),  & wsaData );
     if  ( err  !=   0  ) {
        n_printf( " 无法启动网络模块! " );
         return   0 ;
    }
    
     ///  初始化两个Peer用于发送和接收数据
    nIpcAddress addr1( " self " ,  7111 );
    nIpcAddress addr2( " self " ,  7222 );
    nIpcPeer peer1( & addr1, nIpcPeer::CanSend);
    nIpcPeer peer2( & addr2, nIpcPeer::CanReceive);


     ///  测试发送5条信息
     for  (  int  i  =   1 ; i  <=   5 ; i ++  )
    {
        nIpcBuffer send( 256 );
        nIpcBuffer recv( 256 );
        nIpcAddress from;

         ///  发送信息
        send.SetString( " Hello Peer2! I'm Peer1! " );
        peer1.SendTo(addr2, send);

         ///  Sleep一段时间确保收到消息
        n_sleep( 3.0 );

         ///  接收消息
         if  ( peer2.ReceiveFrom(recv, from) )
        {
             if  ( recv.IsValidString() )
            {
                n_printf( " ]Receive a Message from %s:%d  " , from.GetHostName(), from.GetPortNum());
                n_printf( " ]Message Content: %s " , recv.GetString());
            }
        }
    }

     ///  关闭网络模块
    WSACleanup();

    n_printf( " 按任意键退出... " );

     ///  销毁KernelServer
    n_delete(ks);

    getchar();
     return   0 ;
}
///  -Application
/// ----------------------------------------------------------------------------

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