src/http_decoder_tunnel.h


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#pragma once 

#include "http_decoder_half.h"
#include "llhttp.h"

enum http_tunnel_state{
    HTTP_TUN_NON = 0,       // init, or not tunnel session
    HTTP_TUN_C2S_HDR_START, //CONNECT ...
    HTTP_TUN_C2S_HDR_END,   //CONNECT request all heades end with \r\n
    HTTP_TUN_S2C_START,     // HTTP 200 connet established
    // HTTP_TUN_S2C_END,       // http response all heades end with \r\n
    HTTP_TUN_INNER_STARTING,   // http inner tunnel protocol starting
    HTTP_TUN_INNER_TRANS,   // http inner tunnel protocol transmitting 
};

int httpd_tunnel_identify(int curdir, struct http_decoder_half_data *hfdata);
int httpd_is_tunnel_session(const struct http_decoder_exdata *ex_data);
int httpd_in_tunnel_transmitting(struct http_decoder_exdata *ex_data);
void httpd_tunnel_state_update(struct http_decoder_exdata *ex_data);
void http_decoder_push_tunnel_data(struct session *sess, const struct http_decoder_exdata *exdata, enum http_tunnel_message_type type);
enum http_tunnel_message_type httpd_tunnel_state_to_msg(const struct http_decoder_exdata *ex_data);