<span style="font-size:18px;"><span style="font-size:18px;">#include<stdio.h> #include<stdlib.h> #include<sys/socket.h> #include<linux/un.h> #include<string.h> #include<unistd.h> int main() { char buf[256]; int fd = socket(AF_UNIX,SOCK_DGRAM,0); struct sockaddr_un addr = {0}; addr.sun_family = AF_UNIX; memcpy(addr.sun_path,"my.sock",strlen("my.sock")); int r = connect(fd,reinterpret_cast<struct sockaddr*>(&addr),sizeof(addr)); write(fd,"come from socketB!",strlen("come from socketB!")); close(fd); //unlink("my.sock"); return 0; } </span></span> |
下面一个程序给上面那个程序发送数据
以下两段程序绑定的文件时一个网卡，实现不同主机间的进程的相互通信
#include<sys/socket.h> #include<stdio.h> #include<stdlib.h> #include<string.h> #include<netinet/in.h> #include<arpa/inet.h> #include<unistd.h> int main() { char buf[256]; int fd = socket(AF_INET,SOCK_DGRAM,0); if(fd == -1 ) { printf("socket error:%m\n"); exit(-1); }else { printf("socket complete:%m\n"); } struct sockaddr_in addr = {0}; addr.sin_family = AF_INET; addr.sin_port = htons(8888); addr.sin_addr.s_addr = inet_addr("192.168.64.128"); int r = bind(fd,reinterpret_cast<struct sockaddr*>(&addr),sizeof(addr)); if(r == -1) { printf("bind error%m\n"); exit(-1); }else{ printf("bind complete\n"); } while(1) { bzero(buf,sizeof(buf)); r = read(fd,buf,sizeof(buf)); buf[r] = '\0'; printf("%s\n",buf); } close(fd); unlink("my.sock"); return 0; } |
