基于Qt的文件网络传输项目,服务器运行在linux,客户端运行在win10系统.zip

/*=============================================================== * Copyright (C) 2020 All rights reserved. * * 文件名称：server_func.c * 创 建 者：supermesummer * 创建日期：2020年08月20日 * 描 述： * * 更新日志： * ================================================================*/ #include "server.h" #define N 2048 int OK=1; int server_init(short port,int backlog) { int fd; if(-1 == (fd = socket(AF_INET,SOCK_STREAM,0))) { perror("socket"); exit(-1); } struct sockaddr_in addr; addr.sin_family = AF_INET; addr.sin_port = htons(port); addr.sin_addr.s_addr = inet_addr("0.0.0.0"); if(-1 == bind(fd,(void *)&addr,sizeof(addr))) { perror("bind"); exit(-1); } if(-1 == listen(fd,backlog)) { perror("listen"); exit(-1); } printf("listening...\n"); return fd; } int server_wait(int fd) { struct sockaddr_in cddr; int len = sizeof(cddr); bzero(&cddr,len); int newfd; newfd = accept(fd,(void *)&cddr,&len); if(-1 == newfd) { perror("accept"); exit(-1); } printf("用户%s链接成功\n",inet_ntoa(cddr.sin_addr)); return newfd; } void get_clear(char *buf) { int i = 0; while(1) { if(*(buf+i) == '\n') { *(buf+i) = '\0'; break; } i++; } } int getfile(char *path,int sfd) { int fd = open(path,O_RDONLY); int ret,len,num=0; float pro; if(fd < 0) { perror("getfile open"); return -1; } len = lseek(fd,0,SEEK_END); printf("下载的文件大小为：%d\n",len); write(sfd,&len,sizeof(len)); lseek(fd,0,SEEK_SET); char buf[N] = {0}; while((ret = read(fd,buf,N-1))) { num += ret; printf("%.2f\%\n",(float)num/(float)len*100); write(sfd,buf,ret); bzero(buf,sizeof(buf)); } printf("下载完成！\n"); close(fd); return 0; } int putfile(char *path,int sfd) { printf("%s\n",path); int fd = open(path,O_CREAT | O_RDWR,0664); int ret,len=0,num=0; if(fd < 0) { perror("putfile open"); return -1; } char buf[N] = {0}; write(sfd,&OK,4); read(sfd,&len,4); printf("%s文件大小为：%d\n",path,len); float pro; while(1) { ret = read(sfd,buf,N-1); write(fd,buf,ret); num += ret; pro = (float)num/(float)len; printf("%.2f%\n",pro*100); bzero(buf,sizeof(buf)); if(num >= len) break; } printf("上传成功!\n"); close(fd); return 0; } int getlist(int newfd) { DIR *dir; if(NULL ==(dir = opendir("."))) { perror("opendir"); return -1; } struct dirent *dirp; char buf[1024]={0}; char *p; int len=0; p = buf; while((dirp = readdir(dir))) { if(8 == dirp->d_type){ sprintf(p,"%s ",dirp->d_name); p += (strlen(dirp->d_name)+1); len += (strlen(dirp->d_name)+1); } } printf("%d\n",len); printf("%s\n",buf); write(newfd,&len,4); write(newfd,buf,len); closedir(dir); return 0; }