/* 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__

#define __mod_h2__h2_conn__

struct h2_ctx;

struct h2_task;

/**

 * Setup the connection and our context for HTTP/2 processing

 *

 * @param ctx the http2 context to setup

 * @param c the connection HTTP/2 is starting on

 * @param r the upgrade request that still awaits an answer, optional

 */

apr_status_t h2_conn_setup(struct h2_ctx *ctx, conn_rec *c, request_rec *r);

/**

 * Run the HTTP/2 connection in synchronous fashion. 

 * Return when the HTTP/2 session is done

 * and the connection will close or a fatal error occurred.

 *

 * @param ctx the http2 context to run

 * @return APR_SUCCESS when session is done.

 */

apr_status_t h2_conn_run(struct h2_ctx *ctx, conn_rec *c);

/**

 * The connection is about to close. If we have not send a GOAWAY

 * yet, this is the last chance.

 */

apr_status_t h2_conn_pre_close(struct h2_ctx *ctx, conn_rec *c);

/* Initialize this child process for h2 connection work,

 * to be called once during child init before multi processing

 * starts.

 */

apr_status_t h2_conn_child_init(apr_pool_t *pool, server_rec *s);

typedef enum {

    H2_MPM_UNKNOWN,

    H2_MPM_WORKER,

    H2_MPM_EVENT,

    H2_MPM_PREFORK,

    H2_MPM_MOTORZ,

    H2_MPM_SIMPLE,

    H2_MPM_NETWARE,

    H2_MPM_WINNT,

} h2_mpm_type_t;

/* Returns the type of MPM module detected */

h2_mpm_type_t h2_conn_mpm_type(void);

const char *h2_conn_mpm_name(void);

int h2_mpm_supported(void);

conn_rec *h2_slave_create(conn_rec *master, int slave_id, apr_pool_t *parent);

void h2_slave_destroy(conn_rec *slave);

apr_status_t h2_slave_run_pre_connection(conn_rec *slave, apr_socket_t *csd);

void h2_slave_run_connection(conn_rec *slave);

#endif /* defined(__mod_h2__h2_conn__) */