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/* Copyright 2015 greenbytes GmbH (https://www.greenbytes.de)
*
* Licensed 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_ctx__
#define __mod_h2__h2_ctx__
struct h2_session;
struct h2_task;
struct h2_config;
/**
* The h2 module context associated with a connection.
*
* It keeps track of the different types of connections:
* - those from clients that use HTTP/2 protocol
* - those from clients that do not use HTTP/2
* - those created by ourself to perform work on HTTP/2 streams
*/
typedef struct h2_ctx {
const char *protocol; /* the protocol negotiated */
struct h2_session *session; /* the session established */
struct h2_task *task; /* the h2_task executing or NULL */
const char *hostname; /* hostname negotiated via SNI, optional */
server_rec *server; /* httpd server config selected. */
const struct h2_config *config; /* effective config in this context */
} h2_ctx;
/**
* Get (or create) a h2 context record for this connection.
* @param c the connection to look at
* @param create != 0 iff missing context shall be created
* @return h2 context of this connection
*/
h2_ctx *h2_ctx_get(const conn_rec *c, int create);
void h2_ctx_clear(const conn_rec *c);
h2_ctx *h2_ctx_rget(const request_rec *r);
h2_ctx *h2_ctx_create_for(const conn_rec *c, struct h2_task *task);
/* Set the h2 protocol established on this connection context or
* NULL when other protocols are in place.
*/
h2_ctx *h2_ctx_protocol_set(h2_ctx *ctx, const char *proto);
/* Set the server_rec relevant for this context.
*/
h2_ctx *h2_ctx_server_set(h2_ctx *ctx, server_rec *s);
server_rec *h2_ctx_server_get(h2_ctx *ctx);
struct h2_session *h2_ctx_session_get(h2_ctx *ctx);
void h2_ctx_session_set(h2_ctx *ctx, struct h2_session *session);
/**
* Get the h2 protocol negotiated for this connection, or NULL.
*/
const char *h2_ctx_protocol_get(const conn_rec *c);
int h2_ctx_is_task(h2_ctx *ctx);
struct h2_task *h2_ctx_get_task(h2_ctx *ctx);
struct h2_task *h2_ctx_cget_task(conn_rec *c);
struct h2_task *h2_ctx_rget_task(request_rec *r);
#endif /* defined(__mod_h2__h2_ctx__) */
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