2.4实验四：使用命名管道实现进程通信

1、学生姓名：张鹏学号： 150705040实验地点：数计学院407 实验室实验课时： 3 学时实验器材：计算机课程名称：计算机操作系统实验名称：2.4 实验四：使用命名管道实现进程通信一、实验目的1、进一步掌握windows 系统环境下进程通信机制。2、熟悉进程通信api二、实验环境及工具windows 7操作系统， vc6三、实验内容使用 windows 系统提供的命名管道完成两个进程之间的通信，要求能正确使用创建命名管道createnamepipe（）、连接命名管道connectnamepipe（）、拆除命名管道的连接disconnectnamepipe （）、连接服务器已建立的命名管道ca

2、llnamepipe （）、等待命名管道waitnamepipe （）等 api.四、实验步骤服务端/ pipeserver.cpp : defines the entry point for the console application./#include stdafx.h#include pipeserver.h#ifdef _debug#define new debug_new#undef this_filestatic char this_file = _file_;#endif/ the one and only application objectcwinapp theapp;u

3、sing namespace std;int _tmain(int argc, tchar* argv, tchar* envp)int nretcode = 0;int err;bool rc;handle hpipehandle1;char lpname=.pipemypipe;char inbuffer50=;char outbuffer50=;dword bytesread,byteswrite;hpipehandle1=createnamedpipe(lpctstr)lpname,pipe_access_duplex|file_flag_overlapped|write_dac, p

4、ipe_type_message|pipe_readmode_byte|pipe_w ait, 1,20,30,nmpwait_use_default_wait, (lpsecurity_a ttributes)null);if(hpipehandle1=inv alid_handle_value)|(hpipehandle1=null)err=getlasterror();printf(server pipe creat fail!err=%dn,err);exit(1);else printf(server pipe creat success!n);while(1)rc=connectn

5、amedpipe(hpipehandle1,(lpoverlapped)null);if(rc=0)err=getlasterror();printf(server pipe connect fail err=%dn,err);exit(2);else printf(server pipe connect successn);strcpy(inbuffer,);strcpy(outbuffer,);rc=readfile(hpipehandle1,inbuffer,sizeof(inbuffer),&bytesread,(lpoverlapped)null);if(rc=0&bytesread

6、=0)err=getlasterror();printf(server read pipe fail err=%dn,err);exit(3);elseprintf(server read pipe success!nda ta from client is=%sn,inbuffer);rc=strcmp(inbuffer,end);if(rc=0) printf(server write pipe fail!n);else printf(server write pipe success!n);disconnectnamedpipe(hpipehandle1);rc=strcmp(outbu

7、ffer,end);if(rc=0)break;printf(now server be end!n);closehandle(hpipehandle1);/*/ initialize mfc and print and error on failureif (!afxwininit(:getmodulehandle(null), null, :getcommandline(), 0)/ todo: change error code to suit your needscerr _t(fatal error: mfc initialization failed) endl;nretcode

8、= 1;else/ todo: code your applications behavior here. cstring strhello; strhello.loadstring(ids_hello);cout (lpctstr)strhello endl;*/return nretcode;客户端/pipeclient.cpp:definestheentrypointfortheconsoleapplication./#include#includestdafx.hpipeclient.h#ifdef#define#undefstatic_debugnewdebug_newthis_fi

9、lecharthis_file=_file_;#endif/theoneandonlyapplicationobjectcwinapptheapp;usingnamespace std;int_tmain(intargc,tchar* argv,tchar* envp)bool rc=0;charlpname=.pipemypipe;charinbuffer50=;charoutbuffer50=;dwordbytesread;intnretcode= 0;interr=0;while(1)strcpy(inbuffer,);strcpy(outbuffer,);printf(inputdat

10、aplease!n);scanf(%s,inbuffer);rc=strcmp(inbuffer,end);/initializemfcandprintand error on failureif(rc=0)rc=callnamedpipe(lpname,inbuffer,sizeof(inbuffer),outbuffer,sizeof(ou tbuffer),&bytesread,nmpwait_use_default_wait);break;rc=waitnamedpipe(lpname,nmpwait_wait_forever); if(rc=0)err=getlasterror();

11、printf(waitpipefail!err=%dn,err);exit(1);elseprintf(waitpipesuccess!n);rc=callnamedpipe(lpname,inbuffer,sizeof(inbuffer),outbuffer,sizeof(outbuffer),&bytesread,nmpwait_use_default_wait);rc=strcmp(outbuffer,end);if(rc=0)break;if(rc=0)err=getlasterror();printf(pipecallfail!err=%dn,err);exit(1);elseprintf(pipecallsuccess!ndatafrom server is %sn,outbuffer);printf(nowclienttobe end!n);returnnretcode;五、实验结论window