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ccf4365117
output handling. This occured only when the last request on a HTTP/2
connection had been processed and the session decided to shut down.
This could lead to an attempt to send a final GOAWAY while the previous
write was still in progress. See PR 66646.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1910386 13f79535-47bb-0310-9956-ffa450edef68
102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __mod_h2__h2_c1_io__
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#define __mod_h2__h2_c1_io__
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struct h2_config;
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struct h2_session;
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/* h2_io is the basic handler of a httpd connection. It keeps two brigades,
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* one for input, one for output and works with the installed connection
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* filters.
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* The read is done via a callback function, so that input can be processed
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* directly without copying.
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*/
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typedef struct {
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struct h2_session *session;
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apr_bucket_brigade *output;
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int is_tls;
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int unflushed;
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apr_time_t cooldown_usecs;
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apr_int64_t warmup_size;
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apr_size_t write_size;
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apr_time_t last_write;
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apr_int64_t bytes_read;
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apr_int64_t bytes_written;
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int buffer_output;
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apr_off_t buffered_len;
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apr_off_t flush_threshold;
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unsigned int is_flushed : 1;
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unsigned int is_passing : 1;
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char *scratch;
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apr_size_t ssize;
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apr_size_t slen;
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} h2_c1_io;
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apr_status_t h2_c1_io_init(h2_c1_io *io, struct h2_session *session);
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/**
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* Append data to the buffered output.
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* @param buf the data to append
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* @param length the length of the data to append
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*/
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apr_status_t h2_c1_io_add_data(h2_c1_io *io,
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const char *buf,
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size_t length);
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apr_status_t h2_c1_io_add(h2_c1_io *io, apr_bucket *b);
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apr_status_t h2_c1_io_append(h2_c1_io *io, apr_bucket_brigade *bb);
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/**
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* Pass any buffered data on to the connection output filters.
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* @param io the connection io
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*/
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apr_status_t h2_c1_io_pass(h2_c1_io *io);
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/**
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* if there is any data pendiong or was any data send
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* since the last FLUSH, send out a FLUSH now.
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*/
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apr_status_t h2_c1_io_assure_flushed(h2_c1_io *io);
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/**
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* Check if the buffered amount of data needs flushing.
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*/
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int h2_c1_io_needs_flush(h2_c1_io *io);
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/**
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* Check if we have output pending.
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*/
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int h2_c1_io_pending(h2_c1_io *io);
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struct h2_session;
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/**
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* Read c1 input and pass it on to nghttp2.
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* @param session the session
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* @param when_pending != 0 if only pending input (sitting in filters)
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* needs to be read
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*/
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apr_status_t h2_c1_read(struct h2_session *session);
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#endif /* defined(__mod_h2__h2_c1_io__) */
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