diff options
author | Mauro <you@example.com> | 2021-06-30 07:57:22 +0000 |
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committer | Mauro Sardara <msardara@cisco.com> | 2021-07-06 16:16:04 +0000 |
commit | 08233d44a6cfde878d7e10bca38ae935ed1c8fd5 (patch) | |
tree | 7ecc534d55bdc7e8dd15ecab084720910bcdf4d9 /libtransport/src/protocols/fec/fec_info.h | |
parent | 147ba39bed26887f5eba84757e2463ab8e370a9a (diff) |
[HICN-713] Transport Library Major Refactoring 2
Co-authored-by: Luca Muscariello <muscariello@ieee.org>
Co-authored-by: Michele Papalini <micpapal@cisco.com>
Co-authored-by: Olivier Roques <oroques+fdio@cisco.com>
Co-authored-by: Giulio Grassi <gigrassi@cisco.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I5b2c667bad66feb45abdb5effe22ed0f6c85d1c2
Diffstat (limited to 'libtransport/src/protocols/fec/fec_info.h')
-rw-r--r-- | libtransport/src/protocols/fec/fec_info.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libtransport/src/protocols/fec/fec_info.h b/libtransport/src/protocols/fec/fec_info.h new file mode 100644 index 000000000..bdfc4d3af --- /dev/null +++ b/libtransport/src/protocols/fec/fec_info.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2021 Cisco and/or its affiliates. + * 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. + */ + +#pragma once + +#include <hicn/transport/errors/not_implemented_exception.h> + +namespace transport { +namespace protocol { + +namespace fec { + +template <typename T> +struct FecInfo { + static bool isFec() { throw errors::NotImplementedException(); } + static uint32_t nextSymbol(uint32_t index) { + throw errors::NotImplementedException(); + } + static uint32_t nextSource(uint32_t index) { + throw errors::NotImplementedException(); + } +}; + +template <uint32_t K, uint32_t N> +struct Code {}; + +template <uint32_t K, uint32_t N> +struct FecInfo<Code<K, N>> { + static bool isFec(uint32_t index) { return (index % N) >= K; } + + static uint32_t nextSymbol(uint32_t index) { + if (isFec(index)) { + return index; + } + + return index + (K - (index % N)); + } + + static uint32_t nextSource(uint32_t index) { + if (!isFec(index)) { + return index; + } + + return index + (N - (index % N)); + } +}; + +} // namespace fec +} // namespace protocol +} // namespace transport
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