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Diffstat (limited to 'app/nginx/src/http/v2/ngx_http_v2.h')
-rw-r--r--app/nginx/src/http/v2/ngx_http_v2.h342
1 files changed, 0 insertions, 342 deletions
diff --git a/app/nginx/src/http/v2/ngx_http_v2.h b/app/nginx/src/http/v2/ngx_http_v2.h
deleted file mode 100644
index 7d2a2ea..0000000
--- a/app/nginx/src/http/v2/ngx_http_v2.h
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Copyright (C) Nginx, Inc.
- * Copyright (C) Valentin V. Bartenev
- */
-
-
-#ifndef _NGX_HTTP_V2_H_INCLUDED_
-#define _NGX_HTTP_V2_H_INCLUDED_
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-#include <ngx_http.h>
-
-
-#define NGX_HTTP_V2_ALPN_ADVERTISE "\x02h2"
-#define NGX_HTTP_V2_NPN_ADVERTISE NGX_HTTP_V2_ALPN_ADVERTISE
-
-#define NGX_HTTP_V2_STATE_BUFFER_SIZE 16
-
-#define NGX_HTTP_V2_MAX_FRAME_SIZE ((1 << 24) - 1)
-
-#define NGX_HTTP_V2_INT_OCTETS 4
-#define NGX_HTTP_V2_MAX_FIELD \
- (127 + (1 << (NGX_HTTP_V2_INT_OCTETS - 1) * 7) - 1)
-
-#define NGX_HTTP_V2_FRAME_HEADER_SIZE 9
-
-/* frame types */
-#define NGX_HTTP_V2_DATA_FRAME 0x0
-#define NGX_HTTP_V2_HEADERS_FRAME 0x1
-#define NGX_HTTP_V2_PRIORITY_FRAME 0x2
-#define NGX_HTTP_V2_RST_STREAM_FRAME 0x3
-#define NGX_HTTP_V2_SETTINGS_FRAME 0x4
-#define NGX_HTTP_V2_PUSH_PROMISE_FRAME 0x5
-#define NGX_HTTP_V2_PING_FRAME 0x6
-#define NGX_HTTP_V2_GOAWAY_FRAME 0x7
-#define NGX_HTTP_V2_WINDOW_UPDATE_FRAME 0x8
-#define NGX_HTTP_V2_CONTINUATION_FRAME 0x9
-
-/* frame flags */
-#define NGX_HTTP_V2_NO_FLAG 0x00
-#define NGX_HTTP_V2_ACK_FLAG 0x01
-#define NGX_HTTP_V2_END_STREAM_FLAG 0x01
-#define NGX_HTTP_V2_END_HEADERS_FLAG 0x04
-#define NGX_HTTP_V2_PADDED_FLAG 0x08
-#define NGX_HTTP_V2_PRIORITY_FLAG 0x20
-
-#define NGX_HTTP_V2_MAX_WINDOW ((1U << 31) - 1)
-#define NGX_HTTP_V2_DEFAULT_WINDOW 65535
-
-
-typedef struct ngx_http_v2_connection_s ngx_http_v2_connection_t;
-typedef struct ngx_http_v2_node_s ngx_http_v2_node_t;
-typedef struct ngx_http_v2_out_frame_s ngx_http_v2_out_frame_t;
-
-
-typedef u_char *(*ngx_http_v2_handler_pt) (ngx_http_v2_connection_t *h2c,
- u_char *pos, u_char *end);
-
-
-typedef struct {
- ngx_str_t name;
- ngx_str_t value;
-} ngx_http_v2_header_t;
-
-
-typedef struct {
- ngx_uint_t sid;
- size_t length;
- size_t padding;
- unsigned flags:8;
-
- unsigned incomplete:1;
- unsigned keep_pool:1;
-
- /* HPACK */
- unsigned parse_name:1;
- unsigned parse_value:1;
- unsigned index:1;
- ngx_http_v2_header_t header;
- size_t header_limit;
- u_char field_state;
- u_char *field_start;
- u_char *field_end;
- size_t field_rest;
- ngx_pool_t *pool;
-
- ngx_http_v2_stream_t *stream;
-
- u_char buffer[NGX_HTTP_V2_STATE_BUFFER_SIZE];
- size_t buffer_used;
- ngx_http_v2_handler_pt handler;
-} ngx_http_v2_state_t;
-
-
-
-typedef struct {
- ngx_http_v2_header_t **entries;
-
- ngx_uint_t added;
- ngx_uint_t deleted;
- ngx_uint_t reused;
- ngx_uint_t allocated;
-
- size_t size;
- size_t free;
- u_char *storage;
- u_char *pos;
-} ngx_http_v2_hpack_t;
-
-
-struct ngx_http_v2_connection_s {
- ngx_connection_t *connection;
- ngx_http_connection_t *http_connection;
-
- ngx_uint_t processing;
-
- size_t send_window;
- size_t recv_window;
- size_t init_window;
-
- size_t frame_size;
-
- ngx_queue_t waiting;
-
- ngx_http_v2_state_t state;
-
- ngx_http_v2_hpack_t hpack;
-
- ngx_pool_t *pool;
-
- ngx_http_v2_out_frame_t *free_frames;
- ngx_connection_t *free_fake_connections;
-
- ngx_http_v2_node_t **streams_index;
-
- ngx_http_v2_out_frame_t *last_out;
-
- ngx_queue_t dependencies;
- ngx_queue_t closed;
-
- ngx_uint_t last_sid;
-
- unsigned closed_nodes:8;
- unsigned settings_ack:1;
- unsigned blocked:1;
- unsigned goaway:1;
-};
-
-
-struct ngx_http_v2_node_s {
- ngx_uint_t id;
- ngx_http_v2_node_t *index;
- ngx_http_v2_node_t *parent;
- ngx_queue_t queue;
- ngx_queue_t children;
- ngx_queue_t reuse;
- ngx_uint_t rank;
- ngx_uint_t weight;
- double rel_weight;
- ngx_http_v2_stream_t *stream;
-};
-
-
-struct ngx_http_v2_stream_s {
- ngx_http_request_t *request;
- ngx_http_v2_connection_t *connection;
- ngx_http_v2_node_t *node;
-
- ngx_uint_t queued;
-
- /*
- * A change to SETTINGS_INITIAL_WINDOW_SIZE could cause the
- * send_window to become negative, hence it's signed.
- */
- ssize_t send_window;
- size_t recv_window;
-
- ngx_buf_t *preread;
-
- ngx_http_v2_out_frame_t *free_frames;
- ngx_chain_t *free_frame_headers;
- ngx_chain_t *free_bufs;
-
- ngx_queue_t queue;
-
- ngx_array_t *cookies;
-
- size_t header_limit;
-
- ngx_pool_t *pool;
-
- unsigned waiting:1;
- unsigned blocked:1;
- unsigned exhausted:1;
- unsigned in_closed:1;
- unsigned out_closed:1;
- unsigned rst_sent:1;
- unsigned no_flow_control:1;
- unsigned skip_data:1;
-};
-
-
-struct ngx_http_v2_out_frame_s {
- ngx_http_v2_out_frame_t *next;
- ngx_chain_t *first;
- ngx_chain_t *last;
- ngx_int_t (*handler)(ngx_http_v2_connection_t *h2c,
- ngx_http_v2_out_frame_t *frame);
-
- ngx_http_v2_stream_t *stream;
- size_t length;
-
- unsigned blocked:1;
- unsigned fin:1;
-};
-
-
-static ngx_inline void
-ngx_http_v2_queue_frame(ngx_http_v2_connection_t *h2c,
- ngx_http_v2_out_frame_t *frame)
-{
- ngx_http_v2_out_frame_t **out;
-
- for (out = &h2c->last_out; *out; out = &(*out)->next) {
-
- if ((*out)->blocked || (*out)->stream == NULL) {
- break;
- }
-
- if ((*out)->stream->node->rank < frame->stream->node->rank
- || ((*out)->stream->node->rank == frame->stream->node->rank
- && (*out)->stream->node->rel_weight
- >= frame->stream->node->rel_weight))
- {
- break;
- }
- }
-
- frame->next = *out;
- *out = frame;
-}
-
-
-static ngx_inline void
-ngx_http_v2_queue_blocked_frame(ngx_http_v2_connection_t *h2c,
- ngx_http_v2_out_frame_t *frame)
-{
- ngx_http_v2_out_frame_t **out;
-
- for (out = &h2c->last_out; *out; out = &(*out)->next) {
-
- if ((*out)->blocked || (*out)->stream == NULL) {
- break;
- }
- }
-
- frame->next = *out;
- *out = frame;
-}
-
-
-void ngx_http_v2_init(ngx_event_t *rev);
-void ngx_http_v2_request_headers_init(void);
-
-ngx_int_t ngx_http_v2_read_request_body(ngx_http_request_t *r,
- ngx_http_client_body_handler_pt post_handler);
-ngx_int_t ngx_http_v2_read_unbuffered_request_body(ngx_http_request_t *r);
-
-void ngx_http_v2_close_stream(ngx_http_v2_stream_t *stream, ngx_int_t rc);
-
-ngx_int_t ngx_http_v2_send_output_queue(ngx_http_v2_connection_t *h2c);
-
-
-ngx_int_t ngx_http_v2_get_indexed_header(ngx_http_v2_connection_t *h2c,
- ngx_uint_t index, ngx_uint_t name_only);
-ngx_int_t ngx_http_v2_add_header(ngx_http_v2_connection_t *h2c,
- ngx_http_v2_header_t *header);
-ngx_int_t ngx_http_v2_table_size(ngx_http_v2_connection_t *h2c, size_t size);
-
-
-ngx_int_t ngx_http_v2_huff_decode(u_char *state, u_char *src, size_t len,
- u_char **dst, ngx_uint_t last, ngx_log_t *log);
-size_t ngx_http_v2_huff_encode(u_char *src, size_t len, u_char *dst,
- ngx_uint_t lower);
-
-
-#define ngx_http_v2_prefix(bits) ((1 << (bits)) - 1)
-
-
-#if (NGX_HAVE_NONALIGNED)
-
-#define ngx_http_v2_parse_uint16(p) ntohs(*(uint16_t *) (p))
-#define ngx_http_v2_parse_uint32(p) ntohl(*(uint32_t *) (p))
-
-#else
-
-#define ngx_http_v2_parse_uint16(p) ((p)[0] << 8 | (p)[1])
-#define ngx_http_v2_parse_uint32(p) \
- ((uint32_t) (p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3])
-
-#endif
-
-#define ngx_http_v2_parse_length(p) ((p) >> 8)
-#define ngx_http_v2_parse_type(p) ((p) & 0xff)
-#define ngx_http_v2_parse_sid(p) (ngx_http_v2_parse_uint32(p) & 0x7fffffff)
-#define ngx_http_v2_parse_window(p) (ngx_http_v2_parse_uint32(p) & 0x7fffffff)
-
-
-#define ngx_http_v2_write_uint16_aligned(p, s) \
- (*(uint16_t *) (p) = htons((uint16_t) (s)), (p) + sizeof(uint16_t))
-#define ngx_http_v2_write_uint32_aligned(p, s) \
- (*(uint32_t *) (p) = htonl((uint32_t) (s)), (p) + sizeof(uint32_t))
-
-#if (NGX_HAVE_NONALIGNED)
-
-#define ngx_http_v2_write_uint16 ngx_http_v2_write_uint16_aligned
-#define ngx_http_v2_write_uint32 ngx_http_v2_write_uint32_aligned
-
-#else
-
-#define ngx_http_v2_write_uint16(p, s) \
- ((p)[0] = (u_char) ((s) >> 8), \
- (p)[1] = (u_char) (s), \
- (p) + sizeof(uint16_t))
-
-#define ngx_http_v2_write_uint32(p, s) \
- ((p)[0] = (u_char) ((s) >> 24), \
- (p)[1] = (u_char) ((s) >> 16), \
- (p)[2] = (u_char) ((s) >> 8), \
- (p)[3] = (u_char) (s), \
- (p) + sizeof(uint32_t))
-
-#endif
-
-#define ngx_http_v2_write_len_and_type(p, l, t) \
- ngx_http_v2_write_uint32_aligned(p, (l) << 8 | (t))
-
-#define ngx_http_v2_write_sid ngx_http_v2_write_uint32
-
-#endif /* _NGX_HTTP_V2_H_INCLUDED_ */