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/* 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_conn_ctx__
#define __mod_h2__h2_conn_ctx__
#include "h2.h"
struct h2_session;
struct h2_stream;
struct h2_mplx;
struct h2_bucket_beam;
struct h2_response_parser;
struct h2_c2_transit;
#define H2_PIPE_OUT 0
#define H2_PIPE_IN 1
/**
* 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
*/
struct h2_conn_ctx_t {
const char *id; /* c*: our identifier of this connection */
server_rec *server; /* c*: httpd server selected. */
const char *protocol; /* c1: the protocol negotiated */
struct h2_session *session; /* c1: the h2 session established */
struct h2_mplx *mplx; /* c2: the multiplexer */
struct h2_c2_transit *transit; /* c2: transit pool and bucket_alloc */
#if !AP_HAS_RESPONSE_BUCKETS
int pre_conn_done; /* has pre_connection setup run? */
#endif
int stream_id; /* c1: 0, c2: stream id processed */
apr_pool_t *req_pool; /* c2: a c2 child pool for a request */
const struct h2_request *request; /* c2: the request to process */
struct h2_bucket_beam *beam_out; /* c2: data out, created from req_pool */
struct h2_bucket_beam *beam_in; /* c2: data in or NULL, borrowed from request stream */
unsigned input_chunked:1; /* c2: if input needs HTTP/1.1 chunking applied */
unsigned is_upgrade:1; /* c2: if requst is a HTTP Upgrade */
apr_file_t *pipe_in[2]; /* c2: input produced notification pipe */
apr_pollfd_t pfd; /* c1: poll socket input, c2: NUL */
int has_final_response; /* final HTTP response passed on out */
apr_status_t last_err; /* APR_SUCCES or last error encountered in filters */
apr_off_t bytes_sent; /* c2: bytes acutaly sent via c1 */
/* atomic */ apr_uint32_t started; /* c2: processing was started */
apr_time_t started_at; /* c2: when processing started */
/* atomic */ apr_uint32_t done; /* c2: processing has finished */
apr_time_t done_at; /* c2: when processing was done */
};
typedef struct h2_conn_ctx_t h2_conn_ctx_t;
/**
* Get the h2 connection context.
* @param c the connection to look at
* @return h2 context of this connection
*/
#define h2_conn_ctx_get(c) \
((c)? (h2_conn_ctx_t*)ap_get_module_config((c)->conn_config, &http2_module) : NULL)
/**
* Create the h2 connection context.
* @param c the connection to create it at
* @param s the server in use
* @param protocol the protocol selected
* @return created h2 context of this connection
*/
h2_conn_ctx_t *h2_conn_ctx_create_for_c1(conn_rec *c, server_rec *s, const char *protocol);
void h2_conn_ctx_assign_session(h2_conn_ctx_t *ctx, struct h2_session *session);
apr_status_t h2_conn_ctx_init_for_c2(h2_conn_ctx_t **pctx, conn_rec *c,
struct h2_mplx *mplx, struct h2_stream *stream,
struct h2_c2_transit *transit);
void h2_conn_ctx_detach(conn_rec *c);
void h2_conn_ctx_set_timeout(h2_conn_ctx_t *conn_ctx, apr_interval_time_t timeout);
#endif /* defined(__mod_h2__h2_conn_ctx__) */
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