From 17e81f2cd1843f01838245eae7b5ed5edf83d6be Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 09:30:55 +0200 Subject: Adding upstream version 0.12.1+dfsg. Signed-off-by: Daniel Baumann --- examples/shared.h | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 examples/shared.h (limited to 'examples/shared.h') diff --git a/examples/shared.h b/examples/shared.h new file mode 100644 index 0000000..e0e4cec --- /dev/null +++ b/examples/shared.h @@ -0,0 +1,96 @@ +/* + * ngtcp2 + * + * Copyright (c) 2017 ngtcp2 contributors + * + * 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 SHARED_H +#define SHARED_H + +#ifdef HAVE_CONFIG_H +# include +#endif // HAVE_CONFIG_H + +#include + +#include + +#include "network.h" + +namespace ngtcp2 { + +enum class AppProtocol { + H3, + HQ, +}; + +constexpr uint8_t HQ_ALPN[] = "\xahq-interop\x5hq-29\x5hq-30\x5hq-31\x5hq-32"; +constexpr uint8_t HQ_ALPN_DRAFT29[] = "\x5hq-29"; +constexpr uint8_t HQ_ALPN_DRAFT30[] = "\x5hq-30"; +constexpr uint8_t HQ_ALPN_DRAFT31[] = "\x5hq-31"; +constexpr uint8_t HQ_ALPN_DRAFT32[] = "\x5hq-32"; +constexpr uint8_t HQ_ALPN_V1[] = "\xahq-interop"; + +constexpr uint8_t H3_ALPN[] = "\x2h3\x5h3-29\x5h3-30\x5h3-31\x5h3-32"; +constexpr uint8_t H3_ALPN_DRAFT29[] = "\x5h3-29"; +constexpr uint8_t H3_ALPN_DRAFT30[] = "\x5h3-30"; +constexpr uint8_t H3_ALPN_DRAFT31[] = "\x5h3-31"; +constexpr uint8_t H3_ALPN_DRAFT32[] = "\x5h3-32"; +constexpr uint8_t H3_ALPN_V1[] = "\x2h3"; + +constexpr uint32_t QUIC_VER_DRAFT29 = 0xff00001du; +constexpr uint32_t QUIC_VER_DRAFT30 = 0xff00001eu; +constexpr uint32_t QUIC_VER_DRAFT31 = 0xff00001fu; +constexpr uint32_t QUIC_VER_DRAFT32 = 0xff000020u; + +// msghdr_get_ecn gets ECN bits from |msg|. |family| is the address +// family from which packet is received. +unsigned int msghdr_get_ecn(msghdr *msg, int family); + +// fd_set_ecn sets ECN bits |ecn| to |fd|. |family| is the address +// family of |fd|. +void fd_set_ecn(int fd, int family, unsigned int ecn); + +// fd_set_recv_ecn sets socket option to |fd| so that it can receive +// ECN bits. +void fd_set_recv_ecn(int fd, int family); + +// fd_set_ip_mtu_discover sets IP(V6)_MTU_DISCOVER socket option to +// |fd|. +void fd_set_ip_mtu_discover(int fd, int family); + +// fd_set_ip_dontfrag sets IP(V6)_DONTFRAG socket option to |fd|. +void fd_set_ip_dontfrag(int fd, int family); + +std::optional
msghdr_get_local_addr(msghdr *msg, int family); + +void set_port(Address &dst, Address &src); + +// get_local_addr stores preferred local address (interface address) +// in |iau| for a given destination address |remote_addr|. +int get_local_addr(in_addr_union &iau, const Address &remote_addr); + +// addreq returns true if |sa| and |iau| contain the same address. +bool addreq(const sockaddr *sa, const in_addr_union &iau); + +} // namespace ngtcp2 + +#endif // SHARED_H -- cgit v1.2.3