QT菜鸟入门第五弹:第三节:Linux socket 客户端实现

为了进行进程间通信，也就是QT和LINUX C之间的通信，实现C端的一个客户机。

这样，两边的程序就可以用网络套接字来通信了。

 

#include <sys/types.h>#include <sys/socket.h>#include <sys/time.h>#include <netinet/in.h>#include <arpa/inet.h>#include <errno.h>#include <fcntl.h>#include <netdb.h>#include <signal.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <sys/stat.h>#include <sys/uio.h>#include <unistd.h>#include <sys/wait.h>#include <sys/un.h>#define LISTING(1024)#define BUFFSIZE(1024)#define MAXLINE(1024*4)#define SERVERIP"192.168.x.xxx"#define SERVERPORT9876#define SAstruct sockaddrchar cRcvBuffer[BUFFSIZE];int Socket(int family, int type, int protocol) {int n = 0;if ((n = socket(family, type, protocol)) < 0) {fprintf(stderr, "socket error/n");}return (n);}int main(int argc, char *argv[]){int iConnFD;int iLen;int iReuse = 1;struct sockaddr_in SerAddr;iConnFD = Socket(AF_INET, SOCK_STREAM, 0);bzero(&SerAddr, sizeof(SerAddr));SerAddr.sin_family = AF_INET;SerAddr.sin_port = htons(SERVERPORT);setsockopt(iConnFD , SOL_SOCKET, SO_REUSEADDR, &iReuse, sizeof(int));inet_pton(AF_INET,SERVERIP,&SerAddr.sin_addr);if (connect(iConnFD , (SA*)&SerAddr, sizeof(SerAddr)) < 0) {fprintf(stderr,"connect error./n");}send(iConnFD , "Hello Here is a Network test.",32,0);#if 1while ((iLen = read(iConnFD , cRcvBuffer, MAXLINE))>0) {cRcvBuffer[iLen] = 0;printf("RCV:%s",cRcvBuffer);}#endifclose(iConnFD);return 0;}