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This commit is contained in:
Hakase
2022-11-01 09:49:32 +09:00
parent c52bc5abfc
commit f4b94143ad
94 changed files with 25370 additions and 169 deletions
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src/http/v2/ngx_http_v2.h
+88
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@@ -51,6 +51,14 @@
#define NGX_HTTP_V2_MAX_WINDOW ((1U << 31) - 1)
#define NGX_HTTP_V2_DEFAULT_WINDOW 65535
#define HPACK_ENC_HTABLE_SZ 128 /* better to keep a PoT < 64k */
#define HPACK_ENC_HTABLE_ENTRIES ((HPACK_ENC_HTABLE_SZ * 100) / 128)
#define HPACK_ENC_DYNAMIC_KEY_TBL_SZ 10 /* 10 is sufficient for most */
#define HPACK_ENC_MAX_ENTRY 512 /* longest header size to match */
#define NGX_HTTP_V2_DEFAULT_HPACK_TABLE_SIZE 4096
#define NGX_HTTP_V2_MAX_HPACK_TABLE_SIZE 16384 /* < 64k */
#define NGX_HTTP_V2_DEFAULT_WEIGHT 16
@@ -114,6 +122,46 @@ typedef struct {
} ngx_http_v2_hpack_t;
#if (NGX_HTTP_V2_HPACK_ENC)
typedef struct {
uint64_t hash_val;
uint32_t index;
uint16_t pos;
uint16_t klen, vlen;
uint16_t size;
uint16_t next;
} ngx_http_v2_hpack_enc_entry_t;
typedef struct {
uint64_t hash_val;
uint32_t index;
uint16_t pos;
uint16_t klen;
} ngx_http_v2_hpack_name_entry_t;
typedef struct {
size_t size; /* size as defined in RFC 7541 */
uint32_t top; /* the last entry */
uint32_t pos;
uint16_t n_elems; /* number of elements */
uint16_t base; /* index of the oldest entry */
uint16_t last; /* index of the newest entry */
/* hash table for dynamic entries, instead using a generic hash table,
which would be too slow to process a significant amount of headers,
this table is not determenistic, and might ocasionally fail to insert
a value, at the cost of slightly worse compression, but significantly
faster performance */
ngx_http_v2_hpack_enc_entry_t htable[HPACK_ENC_HTABLE_SZ];
ngx_http_v2_hpack_name_entry_t heads[HPACK_ENC_DYNAMIC_KEY_TBL_SZ];
u_char storage[NGX_HTTP_V2_MAX_HPACK_TABLE_SIZE +
HPACK_ENC_MAX_ENTRY];
} ngx_http_v2_hpack_enc_t;
#endif
struct ngx_http_v2_connection_s {
ngx_connection_t *connection;
ngx_http_connection_t *http_connection;
@@ -135,6 +183,8 @@ struct ngx_http_v2_connection_s {
size_t frame_size;
size_t max_hpack_table_size;
ngx_queue_t waiting;
ngx_http_v2_state_t state;
@@ -164,6 +214,11 @@ struct ngx_http_v2_connection_s {
unsigned blocked:1;
unsigned goaway:1;
unsigned push_disabled:1;
unsigned indicate_resize:1;
#if (NGX_HTTP_V2_HPACK_ENC)
ngx_http_v2_hpack_enc_t hpack_enc;
#endif
};
@@ -207,6 +262,8 @@ struct ngx_http_v2_stream_s {
ngx_array_t *cookies;
size_t header_limit;
ngx_pool_t *pool;
unsigned waiting:1;
@@ -413,4 +470,35 @@ u_char *ngx_http_v2_string_encode(u_char *dst, u_char *src, size_t len,
u_char *tmp, ngx_uint_t lower);
u_char *ngx_http_v2_string_encode(u_char *dst, u_char *src, size_t len,
u_char *tmp, ngx_uint_t lower);
u_char *
ngx_http_v2_write_int(u_char *pos, ngx_uint_t prefix, ngx_uint_t value);
#define ngx_http_v2_write_name(dst, src, len, tmp) \
ngx_http_v2_string_encode(dst, src, len, tmp, 1)
#define ngx_http_v2_write_value(dst, src, len, tmp) \
ngx_http_v2_string_encode(dst, src, len, tmp, 0)
u_char *
ngx_http_v2_write_header(ngx_http_v2_connection_t *h2c, u_char *pos,
u_char *key, size_t key_len, u_char *value, size_t value_len,
u_char *tmp);
void
ngx_http_v2_table_resize(ngx_http_v2_connection_t *h2c);
#define ngx_http_v2_write_header_str(key, value) \
ngx_http_v2_write_header(h2c, pos, (u_char *) key, sizeof(key) - 1, \
(u_char *) value, sizeof(value) - 1, tmp);
#define ngx_http_v2_write_header_tbl(key, val) \
ngx_http_v2_write_header(h2c, pos, (u_char *) key, sizeof(key) - 1, \
val.data, val.len, tmp);
#define ngx_http_v2_write_header_pot(key, val) \
ngx_http_v2_write_header(h2c, pos, (u_char *) key, sizeof(key) - 1, \
val->data, val->len, tmp);
#endif /* _NGX_HTTP_V2_H_INCLUDED_ */