tiny 웹서버

tiny.c

/* $begin tinymain */
/*
 * tiny.c - A simple, iterative HTTP/1.0 Web server that uses the
 *     GET method to serve static and dynamic content.
 *
 * Updated 11/2019 droh
 *   - Fixed sprintf() aliasing issue in serve_static(), and clienterror().
 */
#include "csapp.h"

void doit(int fd);
void read_requesthdrs(rio_t *rp);
int parse_uri(char *uri, char *filename, char *cgiargs);
void serve_static(int fd, char *filename, int filesize);
void get_filetype(char *filename, char *filetype);
void serve_dynamic(int fd, char *filename, char *cgiargs);
void clienterror(int fd, char *cause, char *errnum, char *shortmsg,
                 char *longmsg);

int main(int argc, char **argv) {
  int listenfd, connfd;
  char hostname[MAXLINE], port[MAXLINE];
  socklen_t clientlen;
  struct sockaddr_storage clientaddr;

  /* Check command line args */
  if (argc != 2) {
    fprintf(stderr, "usage: %s <port>\n", argv[0]);
    exit(1);
  }

  listenfd = Open_listenfd(argv[1]);
  while (1) {
    clientlen = sizeof(clientaddr);
    connfd = Accept(listenfd, (SA *)&clientaddr,
                    &clientlen);  // line:netp:tiny:accept
    Getnameinfo((SA *)&clientaddr, clientlen, hostname, MAXLINE, port, MAXLINE,
                0);
    printf("Accepted connection from (%s, %s)\n", hostname, port);
    doit(connfd);   // line:netp:tiny:doit
    Close(connfd);  // line:netp:tiny:close
  }
}

void doit(int fd) {
  /* 요청헤더를 읽는다 */

  /* GET요청으로부터 URI를 파싱한다 */
  
  if(is_static)
    /* serve_static(fd, filename, sbuf.st_size); // 정적파일 요청 처리 */
  
  else
    /* serve_dynamic(fd, filename, cgiargs); // 동적파일 요청 처리 */
  
}