socket c++ tcp阻塞 非阻塞總結(jié)

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1、0、可運行實例及基本知識1、如何設(shè)置socket函數(shù)的非阻塞調(diào)用？2、深入CSocket編程之阻塞和非阻塞模式3、SOCKET類的設(shè)計和實現(xiàn)服務(wù)器#include"stdafx.h"#include#include#include#include#include#include#pragmacomment(lib,"ws2_32.lib")#defineSERVPORT7861

2、/*服務(wù)器監(jiān)聽端口號*/#defineMAXDATASIZE100#defineBACKLOG10usingnamespacestd;std::vectorclient_fd;charbuf[MAXDATASIZE];DWORDWINAPIqtPingServerThreadFunc(LPVOIDlpThreadParameter);int_tmain(intargc,_TCHAR*argv[]){SOCKETsockfd;/*sock_fd：監(jiān)聽socket；client_fd：數(shù)

3、據(jù)傳輸socket*/structsockaddr_inmy_addr;/*本機地址信息*/structsockaddr_inremote_addr;/*客戶端地址信息*/charszMsg[]="hello";WORDwVersionRequested;WSADATAwsaData;interr;wVersionRequested=MAKEWORD(2,0);err=WSAStartup(wVersionRequested,&wsaData);if(0!=err){cout<<"Socketfai

4、led";return0;}if(LOBYTE(wsaData.wVersion)!=2

5、

6、HIBYTE(wsaData.wVersion)!=0){WSACleanup();return0;}sockfd=socket(AF_INET,SOCK_STREAM,0);if(INVALID_SOCKET==sockfd){cout<<"SoketCreateFailed";return0;}/*sockfd=socket(AF_INET,SOCK_STREAM,0);*/if(sockfd==-1){

7、perror("socket創(chuàng)建出錯！");exit(1);}my_addr.sin_family=AF_INET;my_addr.sin_port=htons(SERVPORT);my_addr.sin_addr.s_addr=INADDR_ANY;memset(&(my_addr.sin_zero),0,8);if(bind(sockfd,(structsockaddr*)&my_addr,sizeof(structsockaddr))==-1){perror("bind出錯！");//exit

8、(1);}intn=0;while(1){if(listen(sockfd,BACKLOG)!=-1){intsin_size=sizeof(structsockaddr_in);SOCKETnSocket=accept(sockfd,(structsockaddr*)&remote_addr,&sin_size);std::vector::iteratoritr_end=client_fd.end();std::vector::iteratoritr=std::fi

9、nd(client_fd.begin(),itr_end,nSocket);if(itr==itr_end){client_fd.push_back(nSocket);printf("receivedaconnectionfrom%s",inet_ntoa(remote_addr.sin_addr));DWORDdwPingThreadID;HANDLEhPingHandle=CreateThread(0,0,qtPingServerThreadFunc,0,0,&dwPingThreadID)

10、;}}}for(intn=0;n