1 files changed, 101 insertions, 0 deletions
diff --git a/src/event/quic/ngx_event_quic.h b/src/event/quic/ngx_event_quic.h
new file mode 100644
index 000000000..d425cee31
--- /dev/null
+++ b/src/event/quic/ngx_event_quic.h
@@ -0,0 +1,101 @@
+
+/*
+ * Copyright (C) Nginx, Inc.
+ */
+
+
+#ifndef _NGX_EVENT_QUIC_H_INCLUDED_
+#define _NGX_EVENT_QUIC_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+
+#define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE        65527
+
+#define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT  3
+#define NGX_QUIC_DEFAULT_MAX_ACK_DELAY       25
+#define NGX_QUIC_DEFAULT_HOST_KEY_LEN        32
+#define NGX_QUIC_SR_KEY_LEN                  32
+#define NGX_QUIC_AV_KEY_LEN                  32
+
+#define NGX_QUIC_SR_TOKEN_LEN                16
+
+#define NGX_QUIC_MIN_INITIAL_SIZE            1200
+
+#define NGX_QUIC_STREAM_SERVER_INITIATED     0x01
+#define NGX_QUIC_STREAM_UNIDIRECTIONAL       0x02
+
+#define NGX_QUIC_STREAM_BUFSIZE              65536
+
+
+typedef struct {
+    /* configurable */
+    ngx_msec_t                 max_idle_timeout;
+    ngx_msec_t                 max_ack_delay;
+
+    size_t                     max_udp_payload_size;
+    size_t                     initial_max_data;
+    size_t                     initial_max_stream_data_bidi_local;
+    size_t                     initial_max_stream_data_bidi_remote;
+    size_t                     initial_max_stream_data_uni;
+    ngx_uint_t                 initial_max_streams_bidi;
+    ngx_uint_t                 initial_max_streams_uni;
+    ngx_uint_t                 ack_delay_exponent;
+    ngx_uint_t                 active_connection_id_limit;
+    ngx_flag_t                 disable_active_migration;
+    ngx_str_t                  original_dcid;
+    ngx_str_t                  initial_scid;
+    ngx_str_t                  retry_scid;
+    u_char                     sr_token[NGX_QUIC_SR_TOKEN_LEN];
+
+    /* TODO */
+    void                      *preferred_address;
+} ngx_quic_tp_t;
+
+
+typedef struct {
+    ngx_ssl_t                 *ssl;
+    ngx_quic_tp_t              tp;
+    ngx_flag_t                 retry;
+    ngx_flag_t                 gso_enabled;
+    ngx_flag_t                 require_alpn;
+    ngx_str_t                  host_key;
+    u_char                     av_token_key[NGX_QUIC_AV_KEY_LEN];
+    u_char                     sr_token_key[NGX_QUIC_SR_KEY_LEN];
+} ngx_quic_conf_t;
+
+
+struct ngx_quic_stream_s {
+    ngx_rbtree_node_t          node;
+    ngx_queue_t                queue;
+    ngx_connection_t          *parent;
+    ngx_connection_t          *connection;
+    uint64_t                   id;
+    uint64_t                   acked;
+    uint64_t                   send_max_data;
+    uint64_t                   recv_max_data;
+    uint64_t                   recv_offset;
+    uint64_t                   recv_window;
+    uint64_t                   recv_last;
+    uint64_t                   final_size;
+    ngx_chain_t               *in;
+    ngx_uint_t                 cancelable;  /* unsigned  cancelable:1; */
+};
+
+
+void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf);
+ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
+void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
+    const char *reason);
+void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
+    const char *reason);
+ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
+uint32_t ngx_quic_version(ngx_connection_t *c);
+ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
+    ngx_str_t *dcid);
+ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label,
+    ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len);
+
+#endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */