Linux 用libevent实现的简单http服务器
main.c
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <stdlib.h>
#include "libev.h"
#include <string.h>
#include <event2/event.h>
#include <event2/bufferevent.h>
#include <event2/listener.h>
int main(int argc, char** argv){
// 端口
int port = atoi(argv[1]);
// 修改进程的工作目录, 方便后续操作
int ret = chdir(argv[2]);
if(ret == -1){
perror("chdir error");
exit(1);
}
struct event_base* base = NULL;
base = event_base_new();
if(base == NULL){
perror("event_base_new");
exit(1);
}
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = htonl(INADDR_ANY);
struct evconnlistener* lis =
evconnlistener_new_bind(base, listencb, base, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE, -1, (struct sockaddr*)&addr, sizeof(addr));
if(!lis){
perror("evconnlistener_new_bind");
exit(1);
}
event_base_dispatch(base);
event_base_free(base);
}
libev.h
#ifndef __LIBEV__
#define __LIBEV__
#include <event2/bufferevent.h>
#include <event2/listener.h>
void listencb(struct evconnlistener* listener, evutil_socket_t fd,
struct sockaddr* cli, int len, void* ptr);
void readcb (struct bufferevent* bev,void* ctx);
void writecb (struct bufferevent* bev,void* ctx);
void eventcb (struct bufferevent* bev,short what,void* ctx);
#endif
libev.c
#include "libev.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include "libev.h"
#include <event2/event.h>
#include <event2/bufferevent.h>
#include <event2/buffer.h>
#include <string.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <ctype.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
// 通过文件名获取文件的类型
const char *get_file_type(const char *name){
char* dot;
// 自右向左查找‘.’字符, 如不存在返回NULL
dot = strrchr(name, '.');
if (dot == NULL)
return "text/plain; charset=utf-8";
if (strcmp(dot, ".html") == 0 || strcmp(dot, ".htm") == 0)
return "text/html; charset=utf-8";
if (strcmp(dot, ".jpg") == 0 || strcmp(dot, ".jpeg") == 0)
return "image/jpeg";
if (strcmp(dot, ".gif") == 0)
return "image/gif";
if (strcmp(dot, ".png") == 0)
return "image/png";
if (strcmp(dot, ".css") == 0)
return "text/css";
if (strcmp(dot, ".au") == 0)
return "audio/basic";
if (strcmp( dot, ".wav" ) == 0)
return "audio/wav";
if (strcmp(dot, ".avi") == 0)
return "video/x-msvideo";
if (strcmp(dot, ".mov") == 0 || strcmp(dot, ".qt") == 0)
return "video/quicktime";
if (strcmp(dot, ".mpeg") == 0 || strcmp(dot, ".mpe") == 0)
return "video/mpeg";
if (strcmp(dot, ".vrml") == 0 || strcmp(dot, ".wrl") == 0)
return "model/vrml";
if (strcmp(dot, ".midi") == 0 || strcmp(dot, ".mid") == 0)
return "audio/midi";
if (strcmp(dot