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/* SPDX-License-Identifier: Apache-2.0
* Copyright(c) 2025 Cisco Systems, Inc.
*/
#ifndef SRC_PLUGINS_HTTP_HTTP2_H_
#define SRC_PLUGINS_HTTP_HTTP2_H_
#include <vppinfra/format.h>
#include <vppinfra/types.h>
/* RFC9113 section 7 */
#define foreach_http2_error \
_ (NO_ERROR, "NO_ERROR") \
_ (PROTOCOL_ERROR, "PROTOCOL_ERROR") \
_ (INTERNAL_ERROR, "INTERNAL_ERROR") \
_ (FLOW_CONTROL_ERROR, "FLOW_CONTROL_ERROR") \
_ (SETTINGS_TIMEOUT, "SETTINGS_TIMEOUT") \
_ (STREAM_CLOSED, "STREAM_CLOSED") \
_ (FRAME_SIZE_ERROR, "FRAME_SIZE_ERROR") \
_ (REFUSED_STREAM, "REFUSED_STREAM") \
_ (CANCEL, "CANCEL") \
_ (COMPRESSION_ERROR, "COMPRESSION_ERROR") \
_ (CONNECT_ERROR, "CONNECT_ERROR") \
_ (ENHANCE_YOUR_CALM, "ENHANCE_YOUR_CALM") \
_ (INADEQUATE_SECURITY, "INADEQUATE_SECURITY") \
_ (HTTP_1_1_REQUIRED, "HTTP_1_1_REQUIRED")
typedef enum http2_error_
{
#define _(s, str) HTTP2_ERROR_##s,
foreach_http2_error
#undef _
} http2_error_t;
static inline u8 *
format_http2_error (u8 *s, va_list *va)
{
http2_error_t e = va_arg (*va, http2_error_t);
u8 *t = 0;
switch (e)
{
#define _(s, str) \
case HTTP2_ERROR_##s: \
t = (u8 *) str; \
break;
foreach_http2_error
#undef _
default : return format (s, "BUG: unknown");
}
return format (s, "%s", t);
}
#define foreach_http2_pseudo_header \
_ (0, METHOD, "method") \
_ (1, SCHEME, "scheme") \
_ (2, AUTHORITY, "authority") \
_ (3, PATH, "path") \
_ (4, STATUS, "status")
/* value, label, member, min, max, default_value, err_code */
#define foreach_http2_settings \
_ (1, HEADER_TABLE_SIZE, header_table_size, 0, CLIB_U32_MAX, 4096, \
HTTP2_ERROR_NO_ERROR) \
_ (2, ENABLE_PUSH, enable_push, 0, 1, 1, HTTP2_ERROR_PROTOCOL_ERROR) \
_ (3, MAX_CONCURRENT_STREAMS, max_concurrent_streams, 0, CLIB_U32_MAX, \
CLIB_U32_MAX, HTTP2_ERROR_NO_ERROR) \
_ (4, INITIAL_WINDOW_SIZE, initial_window_size, 0, 0x7FFFFFFF, 65535, \
HTTP2_ERROR_FLOW_CONTROL_ERROR) \
_ (5, MAX_FRAME_SIZE, max_frame_size, 16384, 16777215, 16384, \
HTTP2_ERROR_PROTOCOL_ERROR) \
_ (6, MAX_HEADER_LIST_SIZE, max_header_list_size, 0, CLIB_U32_MAX, \
CLIB_U32_MAX, HTTP2_ERROR_NO_ERROR)
typedef enum
{
#define _(value, label, member, min, max, default_value, err_code) \
HTTP2_SETTINGS_##label = value,
foreach_http2_settings
#undef _
} http_settings_t;
typedef struct
{
#define _(value, label, member, min, max, default_value, err_code) u32 member;
foreach_http2_settings
#undef _
} http2_conn_settings_t;
static const http2_conn_settings_t http2_default_conn_settings = {
#define _(value, label, member, min, max, default_value, err_code) \
default_value,
foreach_http2_settings
#undef _
};
#endif /* SRC_PLUGINS_HTTP_HTTP2_H_ */
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