| /* Copyright 2015 greenbytes GmbH (https://www.greenbytes.de) |
| * |
| * Licensed 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 pass_threshold; |
| |
| 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); |
| |
| /** |
| * Append an End-Of-Connection bucket to the output that, once destroyed, |
| * will tear down the complete http2 session. |
| */ |
| apr_status_t h2_conn_io_write_eoc(h2_conn_io *io, struct h2_session *session); |
| |
| /** |
| * 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); |
| |
| #endif /* defined(__mod_h2__h2_conn_io__) */ |