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Release 2.22.0

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- [FEATURE] Extensible HTTP Priorities (HTTP/3 only).
- [FEATURE] Add conn context to packet-out memory interface (PR #175).
- [BUGFIX] gQUIC proof generation: allocate buffer big enough for
  signature (issue #173).
- [BUGFIX] Make library thread-safe: drop use of global variables
  (issue #133, issue #167).
- [BUGFIX] Deactivate only *recent* HQ frame, not any HQ frame.
- [BUGFIX] gQUIC server: associate compressed cert with SSL_CTX,
  instead of keeping them in a separate hash, potentially leading
  to mismatches.
- [BUGFIX] Stream data discard infinite loop: break on FIN.
- cmake: add install target via -DCMAKE_INSTALL_PREFIX (PR #171).
- Support randomized packet number to begin a connection.
- Mini and full IETF connection size optimization.
- http_client: specify HTTP priorities based on stream conditions.
This commit is contained in:
Dmitri Tikhonov 2020-10-07 09:41:26 -04:00
parent cb1e8c1022
commit fbc6cc0413
55 changed files with 6557 additions and 391 deletions
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49
include/lsquic.h
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@ -24,7 +24,7 @@ extern "C" {
#endif
#define LSQUIC_MAJOR_VERSION 2
#define LSQUIC_MINOR_VERSION 21
#define LSQUIC_MINOR_VERSION 22
#define LSQUIC_PATCH_VERSION 0
/**
@ -371,6 +371,9 @@ typedef struct ssl_ctx_st * (*lsquic_lookup_cert_f)(
/** Assume optimistic NAT by default. */
#define LSQUIC_DF_OPTIMISTIC_NAT 1
/** Turn on Extensible HTTP Priorities by default. */
#define LSQUIC_DF_EXT_HTTP_PRIO 1
/** By default, incoming packet size is not limited. */
#define LSQUIC_DF_MAX_UDP_PAYLOAD_SIZE_RX 0
@ -939,6 +942,14 @@ struct lsquic_engine_settings {
* Default value is @ref LSQUIC_DF_OPTIMISTIC_NAT.
*/
int es_optimistic_nat;
/**
* If set to true, Extensible HTTP Priorities are enabled. This
* is HTTP/3-only setting.
*
* Default value is @ref LSQUIC_DF_EXT_HTTP_PRIO
*/
int es_ext_http_prio;
};
/* Initialize `settings' to default values */
@ -1637,6 +1648,42 @@ unsigned lsquic_stream_priority (const lsquic_stream_t *s);
*/
int lsquic_stream_set_priority (lsquic_stream_t *s, unsigned priority);
/*
* Definitions for Extensible HTTP Priorities:
* https://tools.ietf.org/html/draft-ietf-httpbis-priority-01
*/
/* This is maximum *value* -- but it's the lowest *priority* */
#define LSQUIC_MAX_HTTP_URGENCY 7
#define LSQUIC_DEF_HTTP_URGENCY 3
#define LSQUIC_DEF_HTTP_INCREMENTAL 0
struct lsquic_ext_http_prio
{
unsigned char urgency;
signed char incremental;
};
/**
* Get Extensible HTTP Priorities associated with the stream.
*
* Returns zero on success of a negative value on failure. A failure occurs
* if this is not an HTTP/3 stream or if Extensible HTTP Priorities haven't
* been enabled. See @ref es_ext_http_prio.
*/
int
lsquic_stream_get_http_prio (lsquic_stream_t *, struct lsquic_ext_http_prio *);
/**
* Set Extensible HTTP Priorities of the stream.
*
* Returns zero on success of a negative value on failure. A failure occurs
* if some internal error occured or if this is not an HTTP/3 stream or if
* Extensible HTTP Priorities haven't been enabled. See @ref es_ext_http_prio.
*/
int
lsquic_stream_set_http_prio (lsquic_stream_t *,
const struct lsquic_ext_http_prio *);
/**
* Get a pointer to the connection object. Use it with lsquic_conn_*
* functions.