t_net.h和t_net.c的代码第十三天有，这里编译时连接打包好的动态库即可  

doit.h

#ifndef DO_IT_H_
#define DO_IT_H_#include<unistd.h>#include<ctype.h>#include<t_file.h>#include<sys/socket.h>#include<sys/types.h>#include<netinet/in.h>#include<arpa/inet.h>typedef struct request{char method[16];char path[128];char proto[16];}req_t;typedef struct response{int code;char *f_type;}res_t;void do_main(int fd);//int h_acc(int fd)#endif

doit.c

#include"doit.h"
#include<string.h>
#include<t_stdio.h>
#include<t_net.h>
char *work_dir="/home/nan/SJW/webs/hhhlaugh";
//一定要考虑字符串的结尾符号\0
static void get_request(int fd,req_t *rq){char buf[1024]; char path[128];//读取浏览器的请求头信息int r=read(fd,buf,1024);sscanf(buf,"%s %s %s\r\n",rq->method,rq->path,rq->proto);//处理/printf("%s\n",rq->method);printf("%s\n",rq->path);printf("%s\n",rq->proto);if(strcmp(rq->path,"/")==0)strcpy(rq->path,"/index.html");strcpy(path,work_dir);strcat(path,rq->path);strcpy(rq->path,path);printf("--->%s\n",rq->path);return;
}//获取文件类型  content-type
static char *get_ftype(const char *file){if(strrchr(file,'.')==NULL)return "text/html";if(strcmp(strrchr(file,'.'),".png")==0)return "image/png";if(strcmp(strrchr(file,'.'),".jpg")==0)return "image/jpg";if(strcmp(strrchr(file,'.'),".gif")==0)return "image/gif";return "text/html";
}
static void orgn_response(const char *file,res_t *rs){//获取响应码//printf("12312432->%s\n",file);rs->code=access(file,R_OK)?404:200;//获取响应文件信息  text/html  image/jpg image/pngrs->f_type=get_ftype(file);//if(rs->code==404)//printf("path--->%s\n",file);
}
//
static void res_b_200(int fd,req_t *rq,res_t *rs){char f_line[128];sprintf(f_line,"%s %d   ok\r\n",rq->proto,rs->code);char content[128];sprintf(content,"Content-Type: %s\r\n\r\n",rs->f_type);write(fd,f_line,strlen(f_line));write(fd,content,strlen(content));write(1,f_line,strlen(f_line));write(1,content,strlen(content));int s_fd=dup(1);dup2(fd,1);//将浏览器确定为标准输出if(rs->code==404){char path[128];strcpy(path,work_dir);strcat(path,"/error.html");strcpy(rq->path,path);//dup2(s_fd,1);printf("error path->%s\n",rq->path);}int a=execlp("cat","cat",rq->path,NULL);if(a==-1)perror("execlp");return;
}void do_main(int fd){req_t req;res_t res;//获取客户端的请求信息get_request(fd,&req);printf("path:%s\n",req.path);//处理客户端的请求信息，组织响应信息orgn_response(req.path,&res);printf("code:%d\ttype:%s\n",res.code,res.f_type); //响应客户端res_b_200(fd,&req,&res);//获取文件名//strchr//拼接路径//open 可读//读取文件内容//char buf[2048]={"HTTP/1.1 200 OK\r\n"};
//	strcat(buf,"");//发送/*char buf[1024];int r=read(fd,buf,1024);write(1,buf,r);*/return;
}

server.c

#include<t_stdio.h>
#include"doit.h"
#include<t_net.h>
#include<unistd.h>
#include<sys/wait.h>
#include<stdlib.h>
#include<signal.h>
void handle(int n){wait(NULL);return;
}
int main(){signal(17,handle);int sfd=t_listen(AF_INET,SOCK_STREAM,3333,5);if(sfd==-1) return -1;while(1){//受理连接int cfd=h_accept(sfd);	if(cfd==-1) return -1;pid_t pid=fork();if(pid==-1) E_MSG("fork",-1);if(pid==0){close(sfd);do_main(cfd);close(cfd);exit(0);}else{close(cfd);//waitpid(-1,NULL,WNOHANG);}}return 0;
}

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