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HTTP parser: decoupled header fields processing.

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This commit is contained in:
Valentin Bartenev
2017-06-13 20:11:29 +03:00
parent f6e7c2b6a6
commit db6642f374
4 changed files with 412 additions and 269 deletions
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91
src/nxt_http_parse.h
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@@ -11,64 +11,87 @@
typedef struct nxt_http_request_parse_s nxt_http_request_parse_t;
typedef struct nxt_http_fields_hash_s nxt_http_fields_hash_t;
typedef nxt_int_t (*nxt_http_field_handler_t)(void *ctx, nxt_str_t *name,
nxt_str_t *value, uintptr_t data);
typedef union {
u_char str[8];
uint64_t ui64;
u_char str[8];
uint64_t ui64;
} nxt_http_ver_t;
struct nxt_http_request_parse_s {
nxt_int_t (*handler)(nxt_http_request_parse_t *rp,
u_char **pos, u_char *end);
size_t offset;
nxt_str_t method;
u_char *target_start;
u_char *target_end;
u_char *exten_start;
u_char *args_start;
nxt_http_ver_t version;
typedef struct {
union {
uint8_t str[32];
uint64_t ui64[4];
} field_name_key;
uint8_t str[32];
uint64_t ui64[4];
} key;
nxt_str_t field_name;
nxt_str_t field_value;
nxt_str_t name;
nxt_str_t value;
} nxt_http_field_t;
nxt_http_fields_hash_t *hash;
void *ctx;
struct nxt_http_request_parse_s {
nxt_int_t (*handler)(nxt_http_request_parse_t *rp,
u_char **pos, u_char *end);
size_t offset;
nxt_str_t method;
u_char *target_start;
u_char *target_end;
u_char *exten_start;
u_char *args_start;
nxt_http_ver_t version;
nxt_http_field_t field;
nxt_list_t *fields;
/* target with "/." */
unsigned complex_target:1;
unsigned complex_target:1;
/* target with "%" */
unsigned quoted_target:1;
unsigned quoted_target:1;
/* target with " " */
unsigned space_in_target:1;
unsigned space_in_target:1;
/* target with "+" */
unsigned plus_in_target:1;
unsigned plus_in_target:1;
};
typedef nxt_int_t (*nxt_http_field_handler_t)(void *ctx,
nxt_http_field_t *field,
uintptr_t data, nxt_log_t *log);
typedef struct {
nxt_str_t name;
nxt_http_field_handler_t handler;
uintptr_t data;
} nxt_http_fields_t;
} nxt_http_fields_hash_entry_t;
nxt_inline nxt_int_t
nxt_http_parse_request_init(nxt_http_request_parse_t *rp, nxt_mem_pool_t *mp)
{
rp->fields = nxt_list_create(mp, 8, sizeof(nxt_http_field_t));
if (nxt_slow_path(rp->fields == NULL)){
return NXT_ERROR;
}
return NXT_OK;
}
nxt_int_t nxt_http_parse_request(nxt_http_request_parse_t *rp,
nxt_buf_mem_t *b);
nxt_http_fields_hash_t *nxt_http_fields_hash(nxt_http_fields_t *fields,
nxt_mem_pool_t *mp);
nxt_http_fields_hash_t *nxt_http_fields_hash_create(
nxt_http_fields_hash_entry_t *entries, nxt_mem_pool_t *mp);
nxt_http_fields_hash_entry_t *nxt_http_fields_hash_lookup(
nxt_http_fields_hash_t *hash, nxt_http_field_t *field);
nxt_int_t nxt_http_fields_process(nxt_list_t *fields,
nxt_http_fields_hash_t *hash, void *ctx, nxt_log_t *log);
#endif /* _NXT_HTTP_PARSER_H_INCLUDED_ */