/*
 * quic.h
 *
 *  Created on: 2019-4-4
 *      Author: root
 */

#ifndef SRC_GQUIC_H_
#define SRC_GQUIC_H_



#include <MESA/stream.h>
#define MAX_EXTENSION_NUM			128
#define MAX_TAG_VALUE_LEN           257
#define SERVER_NAME_LEN			    64
//add in 20191207
#define USER_AGENT_LEN			    256
#define RANDOM_LEN			        32
#define QUIC_VERSION_LEN			4


#define QUIC_INTEREST_KEY		    (1<<QUIC_INTEREST_KEY_MASK)
#define QUIC_CLIENT_HELLO		    (1<<QUIC_CLIENT_HELLO_MASK)
#define QUIC_SERVER_HELLO		    (1<<QUIC_SERVER_HELLO_MASK)
#define QUIC_CACHED_CERT		    (1<<QUIC_CACHED_CERT_MASK)
#define QUIC_COMM_CERT		        (1<<QUIC_COMM_CERT_MASK)
#define QUIC_CERT_CHAIN		        (1<<QUIC_CERT_CHAIN_MASK)
#define QUIC_APPLICATION_DATA	    (1<<QUIC_APPLICATION_DATA_MASK)
#define QUIC_VERSION				(1<<QUIC_VERSION_MASK)


enum quic_interested_region {
	QUIC_INTEREST_KEY_MASK = 0,
	QUIC_CLIENT_HELLO_MASK,
	QUIC_SERVER_HELLO_MASK,
	QUIC_CACHED_CERT_MASK,
	QUIC_COMM_CERT_MASK,
	QUIC_CERT_CHAIN_MASK,
	QUIC_APPLICATION_DATA_MASK,
	QUIC_VERSION_MASK
};


typedef struct quic_tlv{
    unsigned int type;
	unsigned int length;
	void	*ptr_value;
}quic_tlv_t;

struct quic_business_info
{
	void* param;
	uint8_t return_value;
};

struct quic_client_hello {
	int server_name_len;
	char server_name[SERVER_NAME_LEN];
	int user_agent_len;
	char user_agent[USER_AGENT_LEN];
	uint16_t ext_tag_num;	                                   //number of extensions or tags
	quic_tlv_t** ext_tags;	                       				//extensions or tags
};

struct quic_server_hello {
	/*include random,session,ciphersuit,compress_method...*/
	uint16_t ext_tag_num;	                //number of extensions or tags
	quic_tlv_t** ext_tags;                  //extensions or tags
};


struct quic_stream {
	unsigned char link_state;
	uint8_t version_cfm;
	uint32_t version;
	uint8_t fin_flag;
	uint8_t is_quic_stream;
	uint64_t gquic_cID;
	struct quic_client_hello st_client_hello;
	struct quic_server_hello st_server_hello;
	struct quic_tlv cert_chain;
	struct quic_tlv cached_cert;
	struct quic_tlv common_cert;
	struct quic_business_info* business;
	enum quic_interested_region output_region_mask;
	uint64_t output_region_flag;
};

//struct st_quic_client_hello* quic_get_clienthello(void* app_info);
//struct st_quic_server_hello* quic_get_serverhello(void* app_info);
//uint32_t quic_get_version(void* app_info);
//quic_tlv_t* quic_get_cert_chain(void* app_info);
//quic_tlv_t* quic_get_cached_cert(void* app_info);
//quic_tlv_t* quic_get_common_cert(void* app_info);
//void* quic_get_application_data(void* app_info);


#endif /* SRC_GQUIC_H_ */