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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2014 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NGHTTP2_OPTION_H
#define NGHTTP2_OPTION_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <nghttp2/nghttp2.h>
/**
* Configuration options
*/
typedef enum {
/**
* This option prevents the library from sending WINDOW_UPDATE for a
* connection automatically. If this option is set to nonzero, the
* library won't send WINDOW_UPDATE for DATA until application calls
* nghttp2_session_consume() to indicate the amount of consumed
* DATA. By default, this option is set to zero.
*/
NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE = 1,
/**
* This option sets the SETTINGS_MAX_CONCURRENT_STREAMS value of
* remote endpoint as if it is received in SETTINGS frame. Without
* specifying this option, before the local endpoint receives
* SETTINGS_MAX_CONCURRENT_STREAMS in SETTINGS frame from remote
* endpoint, SETTINGS_MAX_CONCURRENT_STREAMS is unlimited. This may
* cause problem if local endpoint submits lots of requests
* initially and sending them at once to the remote peer may lead to
* the rejection of some requests. Specifying this option to the
* sensible value, say 100, may avoid this kind of issue. This value
* will be overwritten if the local endpoint receives
* SETTINGS_MAX_CONCURRENT_STREAMS from the remote endpoint.
*/
NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS = 1 << 1,
NGHTTP2_OPT_NO_RECV_CLIENT_MAGIC = 1 << 2,
NGHTTP2_OPT_NO_HTTP_MESSAGING = 1 << 3,
NGHTTP2_OPT_MAX_RESERVED_REMOTE_STREAMS = 1 << 4,
NGHTTP2_OPT_USER_RECV_EXT_TYPES = 1 << 5,
NGHTTP2_OPT_NO_AUTO_PING_ACK = 1 << 6,
NGHTTP2_OPT_BUILTIN_RECV_EXT_TYPES = 1 << 7,
NGHTTP2_OPT_MAX_SEND_HEADER_BLOCK_LENGTH = 1 << 8,
NGHTTP2_OPT_MAX_DEFLATE_DYNAMIC_TABLE_SIZE = 1 << 9,
NGHTTP2_OPT_NO_CLOSED_STREAMS = 1 << 10,
NGHTTP2_OPT_MAX_OUTBOUND_ACK = 1 << 11,
NGHTTP2_OPT_MAX_SETTINGS = 1 << 12,
NGHTTP2_OPT_SERVER_FALLBACK_RFC7540_PRIORITIES = 1 << 13,
NGHTTP2_OPT_NO_RFC9113_LEADING_AND_TRAILING_WS_VALIDATION = 1 << 14,
NGHTTP2_OPT_STREAM_RESET_RATE_LIMIT = 1 << 15,
NGHTTP2_OPT_MAX_CONTINUATIONS = 1 << 16,
} nghttp2_option_flag;
/**
* Struct to store option values for nghttp2_session.
*/
struct nghttp2_option {
/**
* NGHTTP2_OPT_STREAM_RESET_RATE_LIMIT
*/
uint64_t stream_reset_burst;
uint64_t stream_reset_rate;
/**
* NGHTTP2_OPT_MAX_SEND_HEADER_BLOCK_LENGTH
*/
size_t max_send_header_block_length;
/**
* NGHTTP2_OPT_MAX_DEFLATE_DYNAMIC_TABLE_SIZE
*/
size_t max_deflate_dynamic_table_size;
/**
* NGHTTP2_OPT_MAX_OUTBOUND_ACK
*/
size_t max_outbound_ack;
/**
* NGHTTP2_OPT_MAX_SETTINGS
*/
size_t max_settings;
/**
* NGHTTP2_OPT_MAX_CONTINUATIONS
*/
size_t max_continuations;
/**
* Bitwise OR of nghttp2_option_flag to determine that which fields
* are specified.
*/
uint32_t opt_set_mask;
/**
* NGHTTP2_OPT_PEER_MAX_CONCURRENT_STREAMS
*/
uint32_t peer_max_concurrent_streams;
/**
* NGHTTP2_OPT_MAX_RESERVED_REMOTE_STREAMS
*/
uint32_t max_reserved_remote_streams;
/**
* NGHTTP2_OPT_BUILTIN_RECV_EXT_TYPES
*/
uint32_t builtin_recv_ext_types;
/**
* NGHTTP2_OPT_NO_AUTO_WINDOW_UPDATE
*/
int no_auto_window_update;
/**
* NGHTTP2_OPT_NO_RECV_CLIENT_MAGIC
*/
int no_recv_client_magic;
/**
* NGHTTP2_OPT_NO_HTTP_MESSAGING
*/
int no_http_messaging;
/**
* NGHTTP2_OPT_NO_AUTO_PING_ACK
*/
int no_auto_ping_ack;
/**
* NGHTTP2_OPT_NO_CLOSED_STREAMS
*/
int no_closed_streams;
/**
* NGHTTP2_OPT_SERVER_FALLBACK_RFC7540_PRIORITIES
*/
int server_fallback_rfc7540_priorities;
/**
* NGHTTP2_OPT_NO_RFC9113_LEADING_AND_TRAILING_WS_VALIDATION
*/
int no_rfc9113_leading_and_trailing_ws_validation;
/**
* NGHTTP2_OPT_USER_RECV_EXT_TYPES
*/
uint8_t user_recv_ext_types[32];
};
#endif /* NGHTTP2_OPTION_H */
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