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udp ��用

井泉 — Wed, 28 Nov 2007 05:46:00 GMT

client:
#include "Winsock2.h"
#include "stdafx.h"
#pragma comment(lib,"Ws2.lib")
// TODO: �?STDAFX.H �?/span>
// 引用��M��所需的附加头文�g�Q�而不是在此文件中引用
void SOCKETRACE(char *buf,int len)
{
    WSADATA wsadata;
    WSAStartup(MAKEWORD(2,0),&wsadata);
    struct sockaddr_in ipaddr;
    ipaddr.sin_family=AF_INET;
    ipaddr.sin_port=htons(11000);
    ipaddr.sin_addr.s_addr=inet_addr("169.254.2.2");

    int sk=socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP);
    int c=connect(sk,(sockaddr*)&ipaddr,sizeof(ipaddr));
    send(sk,buf,len,0);
    closesocket(sk);
    WSACleanup();
}

void OEMTRACEW(BOOL cond, LPCWSTR fmt, ...)
{
    if(cond)
    {

        int n, size = 100;
        wchar_t* p ;
        va_list ap ;

        p = (wchar_t*)malloc(size * sizeof(wchar_t)) ;

        while( 1 )
        {
            /* Try to print in the allocated space. */
            va_start( ap, fmt ) ;
            n = _vsnwprintf( p, size, fmt, ap ) ;
            va_end( ap ) ;
            /* If that worked, return the string. */
            if( n > -1 && n < size )
                break ;

            /* Else try again with more space. */
            if( n > -1 )   /* C99 conform vsnprintf() */
                size = n+1 ; /* precisely what is needed */
            else          /* glibc 2.0 */
                size *= 2 ; /* twice the old size */

            p = (wchar_t*)realloc( p, size * sizeof(wchar_t) ) ;
        }

        char nstring[200]={0};
        wcstombs( nstring,p,200);
        free( p ) ;
        SOCKETRACE(nstring,strlen(nstring));

    }

}

void OEMTRACE(BOOL cond, const char * fmt, ...)
{
    if(cond)
    {

        int n, size = 100;
        char* p ;
        va_list ap ;

        p = (char*)malloc(size) ;

        while( 1 )
        {
            /* Try to print in the allocated space. */
            va_start( ap, fmt ) ;
            n = _vsnprintf( p, size, fmt, ap ) ;
            va_end( ap ) ;
            /* If that worked, return the string. */
            if( n > -1 && n < size )
                break ;

            /* Else try again with more space. */
            if( n > -1 )   /* C99 conform vsnprintf() */
                size = n+1 ; /* precisely what is needed */
            else          /* glibc 2.0 */
                size *= 2 ; /* twice the old size */

            p = (char*)realloc( p, size ) ;
        }



        SOCKETRACE(p,strlen(p));
        free( p ) ;

    }

}
client c#:
udpClient = new UdpClient();
Byte[] bytes = Encoding.Unicode.GetBytes("aa");
            udpClient.Send(bytes, bytes.Length,new IPEndPoint(IPAddress.Parse("169.254.2.2"), 11000));
udpserver c#:
using System;
using System.Collections.Generic;
using System.Text;
using System.Net.Sockets;
using System.Net;

namespace ScocketRec
{
    class Program
    {
        static void Main(string[] args)
        {
            UdpClient udpClient = new UdpClient(new IPEndPoint(IPAddress.Parse("169.254.2.2"), 11000));
            try
            {

                //IPEndPoint object will allow us to read datagrams sent from any source.
                IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Parse("169.254.2.1"), 11000);
                while(true)
                {
                    // Blocks until a message returns on this socket from a remote host.
                    Byte[] receiveBytes = udpClient.Receive(ref RemoteIpEndPoint);

                    string returnData = Encoding.ASCII.GetString(receiveBytes);

                    // Uses the IPEndPoint object to determine which of these two hosts responded.
                    Console.WriteLine("This is the message you received " +
                                                 returnData.ToString());
                    Console.WriteLine("This message was sent from " +
                                                RemoteIpEndPoint.Address.ToString() +
                                                " on their port number " +
                                                RemoteIpEndPoint.Port.ToString());
                }



                udpClient.Close();


            }
            catch (Exception e)
            {
                Console.WriteLine(e.ToString());
            }

        }
    }
}

井泉 2007-11-28 13:46 发表评论

井泉 — Tue, 20 Nov 2007 03:25:00 GMT

http://www.uml.org.cn/embeded/200610255.htm

setwindowlong

MapPtrToProcess

PerformCallBack4

井泉 2007-11-20 11:25 发表评论

几个windows 快捷�?

井泉 — Wed, 05 Jul 2006 02:35:00 GMT

Posted on 2006-06-24 16:55 Gin 阅读(125) 评论(0) �~�辑收藏
摘自�|�上的，呵，�q�几个是自己比较?y��u)��用到�?/p>

F2　　　　　　　　　　　    当你选中一个文件的话，�q�意味着“重命名�?br />ALT+ ENTER�?ALT+双击      查看��目的属�?br />F10或ALT                                   �Ȁ�z�d��前程序的菜单�?br />CTRL+ ESC                                昄��“开始”菜�?
ALT+�I�格键                             �?昄��当前�H�口的系�l�菜�?
CTRL+F5　　　　　　　　      ��h��
ALT+RIGHT ARROW　　　　昄��前一��（前进键）
ALT+LEFT ARROW　　　　　昄��后一��（后退键）
ALT+ESC　　　　　　　　切换当前�E�序
CTRL+N　　　　　　　　　新徏一个新的文�?
CTRL+O　　　　　　　　　打开“打开文�g”对话框
CTRL+P　　　　　　　　　打开“打印”对话框

SHIFT+F10                            昄��某个链接的快捯��?
CTRL+W                               关闭当前�H�口
ALT+D                                  选择地址栏中的文�?
CTRL+ENTER                     在地址栏中��?www."��d��到键入的文本的前面，��?.com"��d��到文本的后面
CTRL+D                                ��当前Web ��|��加到收藏夹中
CTRL+B                               打开"整理收藏�?对话�?
CTRL+I                               在浏览栏中打开收藏�?
ALT+ENTER
��?Windows 下运行的命��o行窗口在�H�口和全屏幕状态间切换�Q�查看选定的文件的属性；选定��d��栏时打开"��d��栏和开始菜�?属�?
Alt+�I�格→X                       最大化当前�H�口
Alt+�I�格→N                       最��化当前�H�口

井泉 2006-07-05 10:35 发表评论

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udp ���用

几个windows 快捷�?

udp ��用