Android 模拟器(JAVA)与C++ socket 通讯 分享

c++ 作为client端
view plaincopy to clipboardprint?

// client.cpp : defines the entry point for the console application.    
//    
#include "stdafx.h"    
#include     
#pragma comment(lib,"ws2_32.lib")    
#define  max_buf_size 1024    
#define  port_number 12581    
int _tmain(int argc, _tchar* argv[])    
{    
    wsadata wsadata;    
    word dwsockversion = makeword(2,2);    
    if (0 != wsastartup(dwsockversion,&wsadata)) //协商版本号    
    {    
        printf("arrange version failure");    
        return -1;    
    }    
    socket nsocket;    
    nsocket = socket(af_inet, sock_stream, ipproto_tcp); //创建tcp socket    
    if (invalid_socket == nsocket)    
    {    
        printf("invalid socket");    
        wsacleanup();    
        return -1;    
    }    
    sockaddr_in sa;    
    sa.sin_family = af_inet;    
    sa.sin_addr.s_addr = inet_addr("127.0.0.1");    
    sa.sin_port = htons(port_number);    
    if ( 0 != connect( nsocket,( const sockaddr * )&sa, sizeof(sa) ) )    
        return -1;    
    char buf[max_buf_size] = {0};    
    char tmp[max_buf_size] = {0};    
    strcpy(tmp,"this is client!");  
    int nsend = send(nsocket, tmp, (int)strlen(tmp), 0); 
    int nrecv = 0;    
    nrecv = recv(nsocket, buf, max_buf_size, 0);    
    if (nrecv > 0)    
    {    
        printf("%s\n",buf);    
    }    
    closesocket(nsocket);    
    wsacleanup();    
    return 0;    
} 

android 模拟器，java作为serve端
view plaincopy to clipboardprint?

package com.android.sockettest; 
import java.io.datainputstream; 
import java.io.dataoutputstream; 
import java.net.inetaddress; 
import java.net.serversocket; 
import java.net.socket; 
import android.app.activity; 
import android.os.bundle; 
public class sockettest extends activity { 
    /** called when the activity is first created. */ 
    @override 
    public void oncreate(bundle savedinstancestate) { 
        super.oncreate(savedinstancestate); 
        setcontentview(r.layout.main); 
        startacceptsocket(); 
    } 
    private void startacceptsocket()  
    { 
        try 
        {              
            short nport = 31012; 
            serversocket m_pserversocket = new serversocket(nport); //初始化socket 
            socket paccsocket = m_pserversocket.accept(); //accept 阻塞等待 
            new runningthread(paccsocket).start();  //新建一个线程进行数据收发 
        }catch(exception e) 
        { 
            e.printstacktrace(); 
        } 
    } 
    public class runningthread extends thread 
    { 
        private socket msocket = null; 
        runningthread(socket s) 
        { 
            this.msocket = s; 
        } 
        public void run() 
        {    
            byte [] precbyte = new byte[1024]; 
            string ssend = "hello client! this is server"; 
            byte [] psendbyte = new byte[1024]; 
            psendbyte = ssend.getbytes(); 
            while(true) 
            { 
                try 
                { 
                    datainputstream sread = new datainputstream(msocket.getinputstream());  //读取 
                    int nrec = sread.read(precbyte); 
                    if(nrec > 0 ) 
                    { 
                        //system.out.println("receive client message success！"); 
                        dataoutputstream    swrite = new dataoutputstream(msocket.getoutputstream());  
                        swrite.write(psendbyte);  //发送 
                        break; 
                    }    
                }catch(exception e) 
                { 
                    e.printstacktrace(); 
                } 
            } 
        } 
    } 
} 

 android 模拟器使用的ip 地址为"127.0.0.1";使用pc机的端口号，在模拟器tcp连接调试之前必须使用android sdk 使用的工具进行一次端口映射。如图所示。即使用 sdk 中的tools下abd 工具，在cmd 窗口中运行e:\\install\\android\\android\\android-sdk-windwows\\tools\\adb forward tcp:12581 tcp:31012" 前面目录为android sdk  tools 所在目录。根据本机情况而定。