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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
commit | fe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch) | |
tree | b80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /modules/http2/h2_c1_io.h | |
parent | Initial commit. (diff) | |
download | apache2-upstream.tar.xz apache2-upstream.zip |
Adding upstream version 2.4.56.upstream/2.4.56upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | modules/http2/h2_c1_io.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/modules/http2/h2_c1_io.h b/modules/http2/h2_c1_io.h new file mode 100644 index 0000000..d891ffb --- /dev/null +++ b/modules/http2/h2_c1_io.h @@ -0,0 +1,100 @@ +/* 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_c1_io__ +#define __mod_h2__h2_c1_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 { + struct h2_session *session; + apr_bucket_brigade *output; + + int is_tls; + int unflushed; + 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_off_t buffered_len; + apr_off_t flush_threshold; + unsigned int is_flushed : 1; + + char *scratch; + apr_size_t ssize; + apr_size_t slen; +} h2_c1_io; + +apr_status_t h2_c1_io_init(h2_c1_io *io, struct h2_session *session); + +/** + * 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_c1_io_add_data(h2_c1_io *io, + const char *buf, + size_t length); + +apr_status_t h2_c1_io_add(h2_c1_io *io, apr_bucket *b); + +apr_status_t h2_c1_io_append(h2_c1_io *io, apr_bucket_brigade *bb); + +/** + * Pass any buffered data on to the connection output filters. + * @param io the connection io + */ +apr_status_t h2_c1_io_pass(h2_c1_io *io); + +/** + * if there is any data pendiong or was any data send + * since the last FLUSH, send out a FLUSH now. + */ +apr_status_t h2_c1_io_assure_flushed(h2_c1_io *io); + +/** + * Check if the buffered amount of data needs flushing. + */ +int h2_c1_io_needs_flush(h2_c1_io *io); + +/** + * Check if we have output pending. + */ +int h2_c1_io_pending(h2_c1_io *io); + +struct h2_session; + +/** + * Read c1 input and pass it on to nghttp2. + * @param session the session + * @param when_pending != 0 if only pending input (sitting in filters) + * needs to be read + */ +apr_status_t h2_c1_read(struct h2_session *session); + +#endif /* defined(__mod_h2__h2_c1_io__) */ |