143 lines
3.2 KiB
C
143 lines
3.2 KiB
C
|
#ifndef CCHTTPRESOLVER_H
|
|||
|
|
#define CCHTTPRESOLVER_H
|
|||
|
|
|
|||
|
|
#include "CC.h"
|
|||
|
|
#include "CCString.h"
|
|||
|
|
|
|||
|
|
#define CR '\r'
|
|||
|
|
#define LF '\n'
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 字符串缓冲区结构体
|
|||
|
|
*/
|
|||
|
|
struct StringBuffer {
|
|||
|
|
char *begin = nullptr;//字符串开始位置
|
|||
|
|
char *end = nullptr;//字符串结束位置
|
|||
|
|
/**
|
|||
|
|
* 类型转换操作符，将StringBuffer转换为CTL::String
|
|||
|
|
* @return 转换后的CTL::String对象
|
|||
|
|
*/
|
|||
|
|
operator CTL::String() const {
|
|||
|
|
return CTL::String(begin, end);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Http请求行的状态
|
|||
|
|
*/
|
|||
|
|
enum class HttpRequestDecodeState {
|
|||
|
|
INVALID,//无效
|
|||
|
|
INVALID_METHOD,//无效请求方法
|
|||
|
|
INVALID_URI,//无效的请求路径
|
|||
|
|
INVALID_VERSION,//无效的协议版本号
|
|||
|
|
INVALID_HEADER,//无效请求头
|
|||
|
|
|
|||
|
|
START,//请求行开始
|
|||
|
|
METHOD,//请求方法
|
|||
|
|
|
|||
|
|
BEFORE_URI,//请求连接前的状态，需要'/'开头
|
|||
|
|
IN_URI,//url处理
|
|||
|
|
BEFORE_URI_PARAM_KEY,//URL请求参数键之前
|
|||
|
|
URI_PARAM_KEY,//URL请求参数键
|
|||
|
|
BEFORE_URI_PARAM_VALUE,//URL的参数值之前
|
|||
|
|
URI_PARAM_VALUE,//URL请求参数值
|
|||
|
|
|
|||
|
|
BEFORE_PROTOCOL,//协议解析之前
|
|||
|
|
PROTOCOL,//协议
|
|||
|
|
|
|||
|
|
BEFORE_VERSION,//版本开始前
|
|||
|
|
VERSION_SPLIT,//版本分隔符 '.'
|
|||
|
|
VERSION,//版本
|
|||
|
|
|
|||
|
|
HEADER_KEY,
|
|||
|
|
|
|||
|
|
HEADER_BEFORE_COLON,//冒号之前
|
|||
|
|
HEADER_AFTER_COLON,//冒号
|
|||
|
|
HEADER_VALUE,//值
|
|||
|
|
|
|||
|
|
WHEN_CR,//遇到一个回车之后
|
|||
|
|
|
|||
|
|
CR_LF,//回车换行
|
|||
|
|
|
|||
|
|
CR_LF_CR,//回车换行之后的状态
|
|||
|
|
|
|||
|
|
BODY,//请求体
|
|||
|
|
|
|||
|
|
COMPLETE,//完成
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Http协议解析类
|
|||
|
|
*/
|
|||
|
|
class CCHttpResolver {
|
|||
|
|
public:
|
|||
|
|
/**
|
|||
|
|
* 解析http协议
|
|||
|
|
* @param buf 待解析的缓冲区数据
|
|||
|
|
*/
|
|||
|
|
void tryDecode(const std::string &buf);
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取请求方法
|
|||
|
|
* @return 请求方法字符串
|
|||
|
|
*/
|
|||
|
|
const std::string &getMethod() const;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取请求路径
|
|||
|
|
* @return 请求路径字符串
|
|||
|
|
*/
|
|||
|
|
const std::string &getUrl() const;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取请求参数
|
|||
|
|
* @return 请求参数的键值对映射
|
|||
|
|
*/
|
|||
|
|
const std::map<std::string, std::string> &getRequestParams() const;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取协议类型
|
|||
|
|
* @return 协议类型字符串
|
|||
|
|
*/
|
|||
|
|
const std::string &getProtocol() const;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取协议版本
|
|||
|
|
* @return 协议版本字符串
|
|||
|
|
*/
|
|||
|
|
const std::string &getVersion() const;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取请求头
|
|||
|
|
* @return 请求头的键值对映射
|
|||
|
|
*/
|
|||
|
|
const std::map<CTL::String, CTL::String> &getHeaders() const;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取请求体
|
|||
|
|
* @return 请求体字符串
|
|||
|
|
*/
|
|||
|
|
const std::string &getBody() const;
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
/**
|
|||
|
|
* 内部解析函数
|
|||
|
|
* @param buf 待解析的数据缓冲区
|
|||
|
|
* @param size 缓冲区大小
|
|||
|
|
*/
|
|||
|
|
void parseInternal(const char *buf, int size);
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
std::string _method;//请求方法
|
|||
|
|
std::string _url;//请求路径[不包含请求参数]
|
|||
|
|
std::map<std::string, std::string> _requestParams;//请求参数
|
|||
|
|
std::string _protocol;//协议
|
|||
|
|
std::string _version;//版本
|
|||
|
|
std::map<CTL::String, CTL::String> _headers;//所有的请求头
|
|||
|
|
std::string _body;//请求体
|
|||
|
|
int _nextPos = 0;//下一个位置的
|
|||
|
|
HttpRequestDecodeState _decodeState = HttpRequestDecodeState::START;//解析状态
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
#endif
|