From 5dff2d61cc1c27747ee398e04d8e02843aabb1f8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 7 May 2024 04:04:06 +0200 Subject: Adding upstream version 2.4.38. Signed-off-by: Daniel Baumann --- modules/http2/h2_conn_io.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 modules/http2/h2_conn_io.h (limited to 'modules/http2/h2_conn_io.h') diff --git a/modules/http2/h2_conn_io.h b/modules/http2/h2_conn_io.h new file mode 100644 index 0000000..2c3be1c --- /dev/null +++ b/modules/http2/h2_conn_io.h @@ -0,0 +1,77 @@ +/* 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_io__ +#define __mod_h2__h2_conn_io__ + +struct h2_config; +struct h2_session; + +/* h2_io is the basic handler of a httpd connection. It keeps two brigades, + * one for input, one for output and works with the installed connection + * filters. + * The read is done via a callback function, so that input can be processed + * directly without copying. + */ +typedef struct { + conn_rec *c; + apr_bucket_brigade *output; + + int is_tls; + apr_time_t cooldown_usecs; + apr_int64_t warmup_size; + + apr_size_t write_size; + apr_time_t last_write; + apr_int64_t bytes_read; + apr_int64_t bytes_written; + + int buffer_output; + apr_size_t flush_threshold; + unsigned int is_flushed : 1; + + char *scratch; + apr_size_t ssize; + apr_size_t slen; +} h2_conn_io; + +apr_status_t h2_conn_io_init(h2_conn_io *io, conn_rec *c, + const struct h2_config *cfg); + +/** + * Append data to the buffered output. + * @param buf the data to append + * @param length the length of the data to append + */ +apr_status_t h2_conn_io_write(h2_conn_io *io, + const char *buf, + size_t length); + +apr_status_t h2_conn_io_pass(h2_conn_io *io, apr_bucket_brigade *bb); + +/** + * Pass any buffered data on to the connection output filters. + * @param io the connection io + * @param flush if a flush bucket should be appended to any output + */ +apr_status_t h2_conn_io_flush(h2_conn_io *io); + +/** + * Check if the buffered amount of data needs flushing. + */ +int h2_conn_io_needs_flush(h2_conn_io *io); + +#endif /* defined(__mod_h2__h2_conn_io__) */ -- cgit v1.2.3