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#ifndef _HTTP_DECODER_HALF_H_
#define _HTTP_DECODER_HALF_H_
#include <stddef.h>
#include "stellar/session.h"
#include "http_decoder.h"
#include "http_content_decompress.h"
#include "http_decoder_result_queue.h"
#include "llhttp.h"
// only one http event is fired at a time
enum http_event {
HTTP_EVENT_REQ_INIT = 1 << 1,
HTTP_EVENT_REQ_LINE = 1 << 2,
HTTP_EVENT_REQ_HDR = 1 << 3,
HTTP_EVENT_REQ_HDR_END = 1 << 4,
HTTP_EVENT_REQ_BODY_BEGIN = 1 << 5,
HTTP_EVENT_REQ_BODY_DATA = 1 << 6,
HTTP_EVENT_REQ_BODY_END = 1 << 7,
HTTP_EVENT_REQ_END = 1 << 8,
HTTP_EVENT_RES_INIT = 1 << 9,
HTTP_EVENT_RES_LINE = 1 << 10,
HTTP_EVENT_RES_HDR = 1 << 11,
HTTP_EVENT_RES_HDR_END = 1 << 12,
HTTP_EVENT_RES_BODY_BEGIN = 1 << 13,
HTTP_EVENT_RES_BODY_DATA = 1 << 14,
HTTP_EVENT_RES_BODY_END = 1 << 15,
HTTP_EVENT_RES_END = 1 << 16,
};
struct http_event_context {
int topic_id;
nmx_pool_t *ref_mempool;
struct session *ref_session;
struct http_decoder_result_queue *ref_queue;
};
struct http_decoder_half;
struct http_decoder_half_data;
typedef void http_event_cb(enum http_event event, struct http_decoder_half_data **data,
struct http_event_context *ev_ctx, void *httpd_plugin_env);
struct http_decoder_half *
http_decoder_half_new(nmx_pool_t *mempool, http_event_cb *event_cb, enum llhttp_type http_type,
int decompress_switch, struct http_decoder_env *httpd_env);
void http_decoder_half_free(nmx_pool_t *mempool, struct http_decoder_half *half);
void http_decoder_half_reinit(struct http_decoder_half *half, int topic_id,
struct http_decoder_result_queue *queue,
nmx_pool_t *mempool, struct session *sess);
int http_decoder_half_parse(struct http_decoder_half *half, const char *data, size_t data_len);
long long http_decoder_half_trans_count(struct http_decoder_half *half);
//http decoder half data API
struct http_decoder_half_data *
http_decoder_half_data_new(nmx_pool_t *mempool);
void http_decoder_half_data_free(nmx_pool_t *mempool, struct http_decoder_half_data *data);
int http_decoder_half_data_get_request_line(struct http_decoder_half_data *data,
struct http_request_line *line);
int http_decoder_half_data_get_response_line(struct http_decoder_half_data *data,
struct http_response_line *line);
int http_decoder_half_data_get_header(const struct http_decoder_half_data *data,
const struct hstring *key, struct http_header *hdr_res);
int http_decoder_half_data_iter_header(struct http_decoder_half_data *data,
struct http_header *header);
int http_decoder_half_data_reset_header_iter(struct http_decoder_half_data *req_data);
int http_decoder_half_data_has_parsed_header(struct http_decoder_half_data *data);
int http_decoder_half_data_get_raw_body(const struct http_decoder_half_data *data, struct hstring *body);
int http_decoder_half_data_get_decompress_body(const struct http_decoder_half_data *data, struct hstring *body);
void http_decoder_half_data_dump(struct http_decoder_half *half);
void http_decoder_get_host_feed_url(struct http_decoder_half *half);
void http_decoder_join_url(struct http_decoder_half_data *hfdata,
nmx_pool_t *mempool,
const struct http_header *host_hdr);
int http_decoder_join_url_finally(struct http_event_context *ev_ctx,
struct http_decoder_half_data *hfdata,
nmx_pool_t *mempool);
int http_half_data_get_url(struct http_decoder_half_data *res_data, struct hstring *url);
int http_half_data_get_transaction_seq(struct http_decoder_half_data *hf_data);
void http_half_data_update_commit_index(struct http_decoder_half_data * half_data);
void http_half_pre_context_free(struct session *sess, struct http_decoder_env *httpd_env,
struct http_decoder_exdata *ex_data);
void http_half_update_state(struct http_decoder_half_data *hf_data, enum http_event state);
int http_half_data_get_total_parsed_header_count(struct http_decoder_half_data * half_data);
#endif
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