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, ".mp3") == 0)
return "audio/mpeg";
if (strcmp(dot, ".ogg") == 0)
return "application/ogg";
if (strcmp(dot, ".pac") == 0)
return "application/x-ns-proxy-autoconfig";
return "text/plain; charset=utf-8";
}
// 16进制数转化为10进制
int hexit(char c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return 0;
}
/*
* 这里的内容是处理%20之类的东西！是"解码"过程。
* %20 URL编码中的‘ ’(space)
* %21 '!' %22 '"' %23 '#' %24 '$'
* %25 '%' %26 '&' %27 ''' %28 '('......
* 相关知识html中的‘ ’(space)是 
*/
void encode_str(char* to, int tosize, const char* from)
{
int tolen;
for (tolen = 0; *from != '\0' && tolen + 4 < tosize; ++from)
{
if (isalnum(*from) || strchr("/_.-~", *from) != (char*)0)
{
*to = *from;
++to;
++tolen;
}
else
{
sprintf(to, "%%%02x", (int) *from & 0xff);
to += 3;
tolen += 3;
}
}
*to = '\0';
}
void decode_str(char *to, char *from)
{
for ( ; *from != '\0'; ++to, ++from )
{
if (from[0] == '%' && isxdigit(from[1]) && isxdigit(from[2]))
{
*to = hexit(from[1])*16 + hexit(from[2]);
from += 2;
}
else
{
*to = *from;
}
}
*to = '\0';
}
void listencb(struct evconnlistener* listener, evutil_socket_t fd,
struct sockaddr* cli, int len, void* ptr){
struct event_base* base = ptr;
struct bufferevent* bev =
bufferevent_socket_new(base, fd, BEV_OPT_CLOSE_ON_FREE);
//set callback
bufferevent_setcb(bev, readcb, writecb, eventcb, NULL);
bufferevent_enable(bev, EV_READ | EV_WRITE);
}
// 断开连接的函数
void disconnect(struct bufferevent* bev){
bufferevent_disable(bev, EV_READ | EV_WRITE);
}
void send_respond_head(struct bufferevent* bev, int no, const char* desp, const char* type, long len){
char buf[1024] = {0};
// 状态行
sprintf(buf, "http/1.1 %d %s\r\n", no, desp);
bufferevent_write(bev, buf, strlen(buf));
// 消息报头
memset(buf, 0, sizeof buf);
sprintf(buf, "Content-Type:%s\r\n", type);
sprintf(buf+strlen(buf), "Content-Length:%ld\r\n", len);
bufferevent_write(bev, buf, strlen(buf));
// 空行
bufferevent_write(bev, "\r\n", 2);
}
void send_file(struct bufferevent* bev, const char* path){
int fd = open(path, O_RDONLY);
if(fd == -1){
//todo 404
perror("open err");
exit(1);
}
char buf[4096];
int ret = 0;
while((ret = read(fd, buf, sizeof buf)) > 0){
bufferevent_write(bev, buf, ret);
}
if(ret == -1){
perror("read err");
exit(1);
}
close(fd);
}
void send_dir(struct bufferevent* bev, const char* path){
char file[1024] = {0};
char buf[4096] = {0};
sprintf(buf, "<html><head><title>目录名: %s</title></head>", path);
sprintf(buf+strlen(buf), "<body><h1>当前目录: %s</h1><table>", path);
#if 1
DIR* dir = opendir(path);
if(dir == NULL){
perror("opendir error");
exit(1);
}
// 读目录
char enstr[1024] = {0};
struct dirent* ptr = NULL;
while((ptr = readdir(dir)) != NULL){
char* name = ptr->d_name;
// 拼接文件的完整路径
sprintf(file, "%s/%s", path, name);
encode_str(enstr, sizeof(enstr), name);
struct stat st;
int ret = stat(file, &st);
if(ret == -1){
perror("stat err");
exit(1);
}
// |