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Diffstat (limited to 'include/haproxy/h3.h')
| -rw-r--r-- | include/haproxy/h3.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/include/haproxy/h3.h b/include/haproxy/h3.h new file mode 100644 index 0000000..1bedf43 --- /dev/null +++ b/include/haproxy/h3.h @@ -0,0 +1,118 @@ +/* + * include/haproxy/h3.h + * This file contains types for H3 + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation, version 2.1 + * exclusively. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _HAPROXY_H3_T_H +#define _HAPROXY_H3_T_H +#ifdef USE_QUIC +#ifndef USE_OPENSSL +#error "Must define USE_OPENSSL" +#endif + +#include <haproxy/buf-t.h> +#include <haproxy/mux_quic-t.h> + +/* H3 unidirecational stream types + * Emitted as the first byte on the stream to differentiate it. + */ +#define H3_UNI_S_T_CTRL 0x00 +#define H3_UNI_S_T_PUSH 0x01 +#define H3_UNI_S_T_QPACK_ENC 0x02 +#define H3_UNI_S_T_QPACK_DEC 0x03 +/* Must be the last one */ +#define H3_UNI_S_T_MAX H3_UNI_S_T_QPACK_DEC + +/* Settings */ +#define H3_SETTINGS_RESERVED_0 0x00 +#define H3_SETTINGS_QPACK_MAX_TABLE_CAPACITY 0x01 +/* there is a hole here of reserved settings, matching the h2 settings */ +#define H3_SETTINGS_RESERVED_2 0x02 +#define H3_SETTINGS_RESERVED_3 0x03 +#define H3_SETTINGS_RESERVED_4 0x04 +#define H3_SETTINGS_RESERVED_5 0x05 +#define H3_SETTINGS_MAX_FIELD_SECTION_SIZE 0x06 +#define H3_SETTINGS_QPACK_BLOCKED_STREAMS 0x07 + +/* Errors. */ +enum h3_err { + H3_NO_ERROR = 0x100, + H3_GENERAL_PROTOCOL_ERROR = 0x101, + H3_INTERNAL_ERROR = 0x102, + H3_STREAM_CREATION_ERROR = 0x103, + H3_CLOSED_CRITICAL_STREAM = 0x104, + H3_FRAME_UNEXPECTED = 0x105, + H3_FRAME_ERROR = 0x106, + H3_EXCESSIVE_LOAD = 0x107, + H3_ID_ERROR = 0x108, + H3_SETTINGS_ERROR = 0x109, + H3_MISSING_SETTINGS = 0x10a, + H3_REQUEST_REJECTED = 0x10b, + H3_REQUEST_CANCELLED = 0x10c, + H3_REQUEST_INCOMPLETE = 0x10d, + H3_MESSAGE_ERROR = 0x10e, + H3_CONNECT_ERROR = 0x10f, + H3_VERSION_FALLBACK = 0x110, + + QPACK_DECOMPRESSION_FAILED = 0x200, + QPACK_ENCODER_STREAM_ERROR = 0x201, + QPACK_DECODER_STREAM_ERROR = 0x202, +}; + +/* Frame types. */ +enum h3_ft { + /* internal value used to mark demuxing as inactive */ + H3_FT_UNINIT = -1, + + H3_FT_DATA = 0x00, + H3_FT_HEADERS = 0x01, + /* hole */ + H3_FT_CANCEL_PUSH = 0x03, + H3_FT_SETTINGS = 0x04, + H3_FT_PUSH_PROMISE = 0x05, + /* hole */ + H3_FT_GOAWAY = 0x07, + /* hole */ + H3_FT_MAX_PUSH_ID = 0x0d, +}; + +/* Stream types */ +enum h3s_t { + /* unidirectional streams */ + H3S_T_CTRL, + H3S_T_PUSH, + H3S_T_QPACK_DEC, + H3S_T_QPACK_ENC, + + /* bidirectional streams */ + H3S_T_REQ, + + H3S_T_UNKNOWN +}; + +/* State for request streams */ +enum h3s_st_req { + H3S_ST_REQ_BEFORE = 0, /* initial state */ + H3S_ST_REQ_HEADERS, /* header section received */ + H3S_ST_REQ_DATA, /* first DATA frame for content received */ + H3S_ST_REQ_TRAILERS, /* trailer section received */ +}; + +extern const struct qcc_app_ops h3_ops; + +#endif /* USE_QUIC */ +#endif /* _HAPROXY_H3_T_H */ |