lsquic_engine_public.h revision b62ec17f
17d09751dSDmitri Tikhonov/* Copyright (c) 2017 - 2020 LiteSpeed Technologies Inc. See LICENSE. */ 250aadb33SDmitri Tikhonov/* 350aadb33SDmitri Tikhonov * lsquic_engine_public.h -- Engine's "public interface" 450aadb33SDmitri Tikhonov * 55392f7a3SLiteSpeed Tech * This structure is used to bundle things in engine that connections 65392f7a3SLiteSpeed Tech * need. This way, the space per mini connection is one pointer instead 75392f7a3SLiteSpeed Tech * of several. 850aadb33SDmitri Tikhonov */ 950aadb33SDmitri Tikhonov 1050aadb33SDmitri Tikhonov#ifndef LSQUIC_ENGINE_PUBLIC_H 1150aadb33SDmitri Tikhonov#define LSQUIC_ENGINE_PUBLIC_H 1 1250aadb33SDmitri Tikhonov 13b62ec17fSDmitri Tikhonovstruct lsquic_cid; 1450aadb33SDmitri Tikhonovstruct lsquic_conn; 1550aadb33SDmitri Tikhonovstruct lsquic_engine; 167f2bd84cSDmitri Tikhonovstruct stack_st_X509; 175392f7a3SLiteSpeed Techstruct lsquic_hash; 185392f7a3SLiteSpeed Techstruct lsquic_stream_if; 195392f7a3SLiteSpeed Techstruct ssl_ctx_st; 2010c41073SDmitri Tikhonovstruct crand; 219fc12041SDmitri Tikhonovstruct evp_aead_ctx_st; 225392f7a3SLiteSpeed Tech 235392f7a3SLiteSpeed Techenum warning_type 245392f7a3SLiteSpeed Tech{ 255392f7a3SLiteSpeed Tech WT_ACKPARSE_MINI, 265392f7a3SLiteSpeed Tech WT_ACKPARSE_FULL, 27de46bf2fSDmitri Tikhonov WT_NO_POISON, 285392f7a3SLiteSpeed Tech N_WARNING_TYPES, 295392f7a3SLiteSpeed Tech}; 305392f7a3SLiteSpeed Tech 315392f7a3SLiteSpeed Tech#define WARNING_INTERVAL (24ULL * 3600ULL * 1000000ULL) 3250aadb33SDmitri Tikhonov 3350aadb33SDmitri Tikhonovstruct lsquic_engine_public { 3450aadb33SDmitri Tikhonov struct lsquic_mm enp_mm; 3550aadb33SDmitri Tikhonov struct lsquic_engine_settings enp_settings; 365392f7a3SLiteSpeed Tech struct token_generator *enp_tokgen; 375392f7a3SLiteSpeed Tech lsquic_lookup_cert_f enp_lookup_cert; 385392f7a3SLiteSpeed Tech void *enp_cert_lu_ctx; 395392f7a3SLiteSpeed Tech struct ssl_ctx_st * (*enp_get_ssl_ctx)(void *peer_ctx); 405392f7a3SLiteSpeed Tech const struct lsquic_shared_hash_if 415392f7a3SLiteSpeed Tech *enp_shi; 425392f7a3SLiteSpeed Tech void *enp_shi_ctx; 435392f7a3SLiteSpeed Tech lsquic_time_t enp_last_warning[N_WARNING_TYPES]; 445392f7a3SLiteSpeed Tech const struct lsquic_stream_if *enp_stream_if; 455392f7a3SLiteSpeed Tech void *enp_stream_if_ctx; 463b55e6aeSDmitri Tikhonov const struct lsquic_hset_if *enp_hsi_if; 473b55e6aeSDmitri Tikhonov void *enp_hsi_ctx; 48b62ec17fSDmitri Tikhonov void (*enp_generate_scid)(struct lsquic_conn *, 49b62ec17fSDmitri Tikhonov struct lsquic_cid *, unsigned); 507f2bd84cSDmitri Tikhonov int (*enp_verify_cert)(void *verify_ctx, 517f2bd84cSDmitri Tikhonov struct stack_st_X509 *chain); 527f2bd84cSDmitri Tikhonov void *enp_verify_ctx; 5350aadb33SDmitri Tikhonov const struct lsquic_packout_mem_if 5450aadb33SDmitri Tikhonov *enp_pmi; 5550aadb33SDmitri Tikhonov void *enp_pmi_ctx; 565392f7a3SLiteSpeed Tech const struct lsquic_keylog_if *enp_kli; 575392f7a3SLiteSpeed Tech void *enp_kli_ctx; 5850aadb33SDmitri Tikhonov struct lsquic_engine *enp_engine; 595392f7a3SLiteSpeed Tech struct lsquic_hash *enp_srst_hash; 6050aadb33SDmitri Tikhonov enum { 6150aadb33SDmitri Tikhonov ENPUB_PROC = (1 << 0), /* Being processed by one of the user-facing 6250aadb33SDmitri Tikhonov * functions. 6350aadb33SDmitri Tikhonov */ 64c44946ecSDmitri Tikhonov ENPUB_CAN_SEND = (1 << 1), 65fa4561dcSDmitri Tikhonov ENPUB_HTTP = (1 << 2), /* Engine in HTTP mode */ 6650aadb33SDmitri Tikhonov } enp_flags; 675392f7a3SLiteSpeed Tech unsigned char enp_ver_tags_buf[ sizeof(lsquic_ver_tag_t) * N_LSQVER ]; 685392f7a3SLiteSpeed Tech unsigned enp_ver_tags_len; 6910c41073SDmitri Tikhonov struct crand *enp_crand; 709fc12041SDmitri Tikhonov struct evp_aead_ctx_st *enp_retry_aead_ctx; 71fa4561dcSDmitri Tikhonov unsigned char *enp_alpn; /* May be set if not HTTP */ 728ae5ecb4SDmitri Tikhonov /* es_noprogress_timeout converted to microseconds for speed */ 738ae5ecb4SDmitri Tikhonov lsquic_time_t enp_noprog_timeout; 74b8fa6195SDmitri Tikhonov lsquic_time_t enp_mtu_probe_timer; 7550aadb33SDmitri Tikhonov}; 7650aadb33SDmitri Tikhonov 77e8bd737dSDmitri Tikhonov/* Put connection onto the Tickable Queue if it is not already on it. If 7850aadb33SDmitri Tikhonov * connection is being destroyed, this is a no-op. 7950aadb33SDmitri Tikhonov */ 8050aadb33SDmitri Tikhonovvoid 81e8bd737dSDmitri Tikhonovlsquic_engine_add_conn_to_tickable (struct lsquic_engine_public *, 82e8bd737dSDmitri Tikhonov lsquic_conn_t *); 8350aadb33SDmitri Tikhonov 8450aadb33SDmitri Tikhonov/* Put connection onto Advisory Tick Time Queue if it is not already on it. 8550aadb33SDmitri Tikhonov */ 8650aadb33SDmitri Tikhonovvoid 8750aadb33SDmitri Tikhonovlsquic_engine_add_conn_to_attq (struct lsquic_engine_public *enpub, 880adf085aSDmitri Tikhonov lsquic_conn_t *, lsquic_time_t, unsigned why); 8950aadb33SDmitri Tikhonov 905392f7a3SLiteSpeed Techvoid 915392f7a3SLiteSpeed Techlsquic_engine_retire_cid (struct lsquic_engine_public *, 925392f7a3SLiteSpeed Tech struct lsquic_conn *, unsigned cce_idx, lsquic_time_t now); 935392f7a3SLiteSpeed Tech 945392f7a3SLiteSpeed Techint 955392f7a3SLiteSpeed Techlsquic_engine_add_cid (struct lsquic_engine_public *, 965392f7a3SLiteSpeed Tech struct lsquic_conn *, unsigned cce_idx); 975392f7a3SLiteSpeed Tech 985392f7a3SLiteSpeed Techstruct lsquic_conn * 995392f7a3SLiteSpeed Techlsquic_engine_find_conn (const struct lsquic_engine_public *pub, 1005392f7a3SLiteSpeed Tech const lsquic_cid_t *cid); 1015392f7a3SLiteSpeed Tech 10250aadb33SDmitri Tikhonov#endif 103