#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“threadpool/threadpool.h“


//?服務器配置
#define?PORT????????????80
#define?MAX_LISTEN??????128
#define?MAX_EPOLL???????MAX_LISTEN+1
#define?THREAD_COUNT????10
#define?DEFAULT_PAGE????“index.html“
#define?SEND_BUF????????2048
#define?RECV_BUF????????2048
#define?SERVE_STATIC????0???????????????//?處理靜態請求
#define?SERVE_DYNAMIC???1???????????????//?處理動態請求

//?服務器根目錄
static?char?g_root[256]=““;
//?線程池
static?ThreadPool?g_pool;
//?多路復用io接口（epoll）
static?int?g_epoll_fd;
static?void?del_from_epoll（int?efd?int?fd）;

void?get_file_type（char?*type?char?*filepath）?{
????if（strstr（filepath“.html“））?strcpy（type?“text/html“）;
????else?if（strstr（filepath?“.gif“））?strcpy（type?“image/gif“）;
????else?if（strstr（filepath?“.jpg“））?strcpy（type?“image/jpeg“）;
????else?if（strstr（filepath?“.png“））?strcpy（type?“image/png“）;
????else?if（strstr（filepath?“.css“））?strcpy（type?“text/css“）;
????else?if（strstr（filepath?“.js“））?strcpy（type?“application/x-javascript“）;
????else?strcpy（type?“text/plain“）;
}

void?get_absolute_path（char?*abfilepath??char?*rt?char?*filepath）?{
????sprintf（abfilepath?“%s%s“?rt?filepath）;???
}

void?serve_error（int?fd??char?*filepathconst?char?*errnum?
????????const?char?*shortmsg?const?char?*longmsg）?{
????char?head[SEND_BUF]?body[SEND_BUF];

????memset（body?0?sizeof（body））;
????memset（head?0?sizeof（head））;
????//?網頁錯誤頁面
????sprintf（body?“tle>Tiny?Web?Server?Errortle>“）;
????sprintf（body?“%s
Tiny?Web?Server?Error
“?body）;
????sprintf（body?“%s
Error?code:?%s
“body?errnum）;
????sprintf（body?“%s
Cause:?%s?%s
“?bodylongmsg?filepath）;

????//?http?頭
????sprintf（head?“HTTP/1.1?%s?%s\r\n“?errnum?shortmsg）;
????sprintf（head?“%sContent-type:?text/html\r\n“?head）;
????sprintf（head?“%sContent-length:?%d\r\n\r\n“?head（int）strlen（body））;

????//?發送
????send（fd?head?strlen（head）?MSG_NOSIGNAL）;
????send（fd?body?strlen（body）?MSG_NOSIGNAL）;
}

void?serve_static（int?fd?char?*filepath?long?filesize）?{?
????int?filefd;
????char?buf[SEND_BUF]?filetype[128]*filemap;?

????memset（filetype?0?sizeof（filetype））;
????memset（buf?0?sizeof（buf））;

????//?發送http頭
????get_file_type（filetype?filepath）;???//?獲取文件類型
????sprintf（buf?“HTTP/1.1?200?OK\r\n“）;
????sprintf（buf?“%sServer:?Tiny?Web?Server\r\n“?buf）;
????sprintf（buf?“%sContent-length:?%ld\r\n“buf??filesize）;
????sprintf（buf?“%sContent-type:?%s\r\n\r\n“?buf?filetype）;
????send（fd?buf?strlen（buf）?MSG_NOSIGNAL）;

????//?發送文件內容
????filefd?=?open（filepath?O_RDONLY）;
????filemap?=?（char?*）mmap（0?filesize?PROT_READ?MAP_PRIVATE?filefd?0）;
????close（filefd）;
????send（fd?filemap?filesize?MSG_NOSIGNAL）;
????m