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ngx_http_vod_request_parse.h
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ngx_http_vod_request_parse.h
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#ifndef _NGX_HTTP_VOD_REQUEST_PARSE_H_INCLUDED_
#define _NGX_HTTP_VOD_REQUEST_PARSE_H_INCLUDED_
// includes
#include <ngx_http.h>
#include "ngx_buffer_cache.h"
#include "vod/mp4/mp4_parser.h"
#include "vod/media_set.h"
// constants
#define MAX_SUB_URIS (32)
#define MAX_URI_PARAM_NAME_LEN (32) // clipTo, clipFrom etc.
#define PARSE_FILE_NAME_EXPECT_SEGMENT_INDEX (0x1)
#define PARSE_FILE_NAME_MULTI_STREAMS_PER_TYPE (0x2)
#define PARSE_FILE_NAME_ALLOW_CLIP_INDEX (0x4)
// macros
#define ngx_http_vod_starts_with(start_pos, end_pos, prefix) \
((end_pos) - (start_pos) >= (int)(prefix)->len && ngx_memcmp((start_pos), (prefix)->data, (prefix)->len) == 0)
#define ngx_http_vod_ends_with(start_pos, end_pos, postfix) \
((end_pos) - (start_pos) >= (int)(postfix)->len && ngx_memcmp((end_pos) - (postfix)->len, (postfix)->data, (postfix)->len) == 0)
#define ngx_http_vod_ends_with_static(start_pos, end_pos, postfix) \
((end_pos) - (start_pos) >= (int)sizeof(postfix) - 1 && ngx_memcmp((end_pos) - (sizeof(postfix) - 1), (postfix), sizeof(postfix) - 1) == 0)
#define ngx_http_vod_match_prefix_postfix(start_pos, end_pos, prefix, postfix) \
((end_pos) - (start_pos) >= (int)(prefix)->len + (int)sizeof(postfix) - 1 && \
ngx_memcmp((end_pos) - (sizeof(postfix) - 1), (postfix), sizeof(postfix) - 1) == 0 && \
ngx_memcmp((start_pos), (prefix)->data, (prefix)->len) == 0)
// typedefs
struct ngx_http_vod_request_s;
struct ngx_http_vod_loc_conf_s;
enum {
MATCH_END,
MATCH_FIXED_STRING,
MATCH_DELIM_STRING,
MATCH_NUMBER,
};
typedef struct {
int match_type;
int target_offset;
int delim;
ngx_str_t string;
} ngx_http_vod_match_definition_t;
// functions
bool_t ngx_http_vod_split_uri_file_name(
ngx_str_t* uri,
int components,
ngx_str_t* path,
ngx_str_t* file_name);
ngx_int_t ngx_http_vod_parse_uri_path(
ngx_http_request_t* r,
ngx_str_t* multi_uri_suffix,
ngx_hash_t* params_hash,
ngx_str_t* uri,
request_params_t* request_params,
media_set_t* media_set);
ngx_int_t ngx_http_vod_init_uri_params_hash(
ngx_conf_t *cf,
struct ngx_http_vod_loc_conf_s* conf);
// utility functions for submodules
u_char* ngx_http_vod_extract_uint32_token_reverse(
u_char* start_pos,
u_char* end_pos,
uint32_t* result);
bool_t ngx_http_vod_parse_string(
const ngx_http_vod_match_definition_t* match_def,
u_char* start_pos,
u_char* end_pos,
void* output);
ngx_int_t ngx_http_vod_parse_uri_file_name(
ngx_http_request_t* r,
u_char* start_pos,
u_char* end_pos,
uint32_t flags,
request_params_t* result);
#endif // _NGX_HTTP_VOD_REQUEST_PARSE_H_INCLUDED_