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comparison src/event/quic/ngx_event_quic_migration.h @ 8763:4117aa7fa38e quic

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QUIC: connection migration. The patch adds proper transitions between multiple networking addresses that can be used by a single quic connection. New networking paths are validated using PATH_CHALLENGE/PATH_RESPONSE frames.
author Vladimir Homutov <vl@nginx.com>
date Thu, 29 Apr 2021 15:35:02 +0300
parents c8bda5e1e662
children 5186ee5a94b9
comparison
equal deleted inserted replaced
8762:12f18e0bca09 8763:4117aa7fa38e
9 9
10 10
11 #include <ngx_config.h> 11 #include <ngx_config.h>
12 #include <ngx_core.h> 12 #include <ngx_core.h>
13 13
14 #define NGX_QUIC_PATH_RETRIES 3
15
16 #define NGX_QUIC_PATH_NEW 0
17 #define NGX_QUIC_PATH_VALIDATING 1
18 #define NGX_QUIC_PATH_VALIDATED 2
19
20 #define NGX_QUIC_PATH_VALID_TIME 600 /* seconds */
21
22
23 #define ngx_quic_path_state_str(p) \
24 ((p)->state == NGX_QUIC_PATH_NEW) ? "new" : \
25 (((p)->state == NGX_QUIC_PATH_VALIDATED) ? "validated" : "validating")
26
14 27
15 ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c, 28 ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
16 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f); 29 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f);
17 ngx_int_t ngx_quic_handle_path_response_frame(ngx_connection_t *c, 30 ngx_int_t ngx_quic_handle_path_response_frame(ngx_connection_t *c,
18 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f); 31 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f);
19 32
33 ngx_quic_path_t *ngx_quic_add_path(ngx_connection_t *c,
34 struct sockaddr *sockaddr, socklen_t socklen);
35
36 ngx_int_t ngx_quic_check_migration(ngx_connection_t *c,
37 ngx_quic_header_t *pkt);
38 ngx_int_t ngx_quic_update_paths(ngx_connection_t *c, ngx_quic_header_t *pkt);
39 ngx_int_t ngx_quic_handle_migration(ngx_connection_t *c,
40 ngx_quic_header_t *pkt);
41
42 void ngx_quic_path_validation_handler(ngx_event_t *ev);
43
20 #endif /* _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_ */ 44 #endif /* _NGX_EVENT_QUIC_MIGRATION_H_INCLUDED_ */