/* Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef __mod_h2__h2_config_h__

#define __mod_h2__h2_config_h__

#undef PACKAGE_VERSION

#undef PACKAGE_TARNAME

#undef PACKAGE_STRING

#undef PACKAGE_NAME

#undef PACKAGE_BUGREPORT

typedef enum {

    H2_CONF_MAX_STREAMS,

    H2_CONF_WIN_SIZE,

    H2_CONF_MIN_WORKERS,

    H2_CONF_MAX_WORKERS,

    H2_CONF_MAX_WORKER_IDLE_SECS,

    H2_CONF_STREAM_MAX_MEM,

    H2_CONF_ALT_SVCS,

    H2_CONF_ALT_SVC_MAX_AGE,

    H2_CONF_SER_HEADERS,

    H2_CONF_DIRECT,

    H2_CONF_MODERN_TLS_ONLY,

    H2_CONF_UPGRADE,

    H2_CONF_TLS_WARMUP_SIZE,

    H2_CONF_TLS_COOLDOWN_SECS,

    H2_CONF_PUSH,

    H2_CONF_PUSH_DIARY_SIZE,

    H2_CONF_COPY_FILES,

    H2_CONF_EARLY_HINTS,

} h2_config_var_t;

struct apr_hash_t;

struct h2_priority;

struct h2_push_res;

typedef struct h2_push_res {

    const char *uri_ref;

    int critical;

} h2_push_res;

/* Apache httpd module configuration for h2. */

typedef struct h2_config {

    const char *name;

    int h2_max_streams;           /* max concurrent # streams (http2) */

    int h2_window_size;           /* stream window size (http2) */

    int min_workers;              /* min # of worker threads/child */

    int max_workers;              /* max # of worker threads/child */

    int max_worker_idle_secs;     /* max # of idle seconds for worker */

    int stream_max_mem_size;      /* max # bytes held in memory/stream */

    apr_array_header_t *alt_svcs; /* h2_alt_svc specs for this server */

    int alt_svc_max_age;          /* seconds clients can rely on alt-svc info*/

    int serialize_headers;        /* Use serialized HTTP/1.1 headers for 

                                     processing, better compatibility */

    int h2_direct;                /* if mod_h2 is active directly */

    int modern_tls_only;          /* Accept only modern TLS in HTTP/2 connections */  

    int h2_upgrade;               /* Allow HTTP/1 upgrade to h2/h2c */

    apr_int64_t tls_warmup_size;  /* Amount of TLS data to send before going full write size */

    int tls_cooldown_secs;        /* Seconds of idle time before going back to small TLS records */

    int h2_push;                  /* if HTTP/2 server push is enabled */

    struct apr_hash_t *priorities;/* map of content-type to h2_priority records */

    int push_diary_size;          /* # of entries in push diary */

    int copy_files;               /* if files shall be copied vs setaside on output */

    apr_array_header_t *push_list;/* list of h2_push_res configurations */

    int early_hints;              /* support status code 103 */

} h2_config;

void *h2_config_create_dir(apr_pool_t *pool, char *x);

void *h2_config_merge_dir(apr_pool_t *pool, void *basev, void *addv);

void *h2_config_create_svr(apr_pool_t *pool, server_rec *s);

void *h2_config_merge_svr(apr_pool_t *pool, void *basev, void *addv);

extern const command_rec h2_cmds[];

const h2_config *h2_config_get(conn_rec *c);

const h2_config *h2_config_sget(server_rec *s);

const h2_config *h2_config_rget(request_rec *r);

int h2_config_geti(const h2_config *conf, h2_config_var_t var);

apr_int64_t h2_config_geti64(const h2_config *conf, h2_config_var_t var);

void h2_get_num_workers(server_rec *s, int *minw, int *maxw);

void h2_config_init(apr_pool_t *pool);

const struct h2_priority *h2_config_get_priority(const h2_config *conf, 

                                                 const char *content_type);

#endif /* __mod_h2__h2_config_h__ */