X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=sim%2Fe2-interface.git;a=blobdiff_plain;f=e2sim%2Fprevious%2Fe2apv1sim%2Fricsim%2Fsrc%2FASN1%2Fasn%2Fper%2Fsequence.hpp;fp=e2sim%2Fprevious%2Fe2apv1sim%2Fricsim%2Fsrc%2FASN1%2Fasn%2Fper%2Fsequence.hpp;h=0000000000000000000000000000000000000000;hp=e533e80608581205067af92d50f260c4d889f816;hb=f86662b5b6481f27e18313a36355871f3a947193;hpb=a9f02a2b5886990fd81e64f7c218c5d4844f18a3 diff --git a/e2sim/previous/e2apv1sim/ricsim/src/ASN1/asn/per/sequence.hpp b/e2sim/previous/e2apv1sim/ricsim/src/ASN1/asn/per/sequence.hpp deleted file mode 100755 index e533e80..0000000 --- a/e2sim/previous/e2apv1sim/ricsim/src/ASN1/asn/per/sequence.hpp +++ /dev/null @@ -1,568 +0,0 @@ -#pragma once -/****************************************************************************** -* -* Copyright (c) 2019 AT&T Intellectual Property. -* Copyright (c) 2018-2019 Nokia. -* -* 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. -* -******************************************************************************/ - -// Standard Includes: ANSI C/C++, MSA, and Third-Party Libraries - -// Local Includes: Application specific classes, functions, and libraries -#include "asn/per/common.hpp" -#include "asn/per/visitor.hpp" - -namespace asn { -namespace per { - -/****************************************************************** - * Adapter - *****************************************************************/ -template -struct Adapter -{ - static void inline run(IE const& ie, EncoderCtx& ctx, Container const& cont) - { - Element::run(ie, ctx); - } - - static void inline run(IE& ie, DecoderCtx& ctx, Container const& cont) - { - Element::run(ie, ctx); - } -}; -template -struct Adapter> -{ - static void inline run(IE const& ie, EncoderCtx& ctx, Container const& cont) - { - VisitorEncoder v(ctx); - bool rv = ie.encode(v, cont); - if(!rv && static_cast(ctx)) - { - ctx.refErrorCtx().errorNoObject(Container::name()); - } - } - - static void inline run(IE& ie, DecoderCtx& ctx, Container const& cont) - { - VisitorDecoder v(ctx); - bool rv = ie.decode(v, cont); - if(!rv && static_cast(ctx)) - { - ctx.refErrorCtx().errorNoObject(Container::name()); - } - } -}; -template -struct Adapter > -{ - static void inline run(IE const& ie, EncoderCtx& ctx, Container const& cont) - { - OpenTypeVisitorEncoder v(ctx); - bool rv = ie.encode(v, cont); - if(!rv && static_cast(ctx)) - { - ctx.refErrorCtx().errorNoObject(Container::name()); - } - } - - static void inline run(IE& ie, DecoderCtx& ctx, Container const& cont) - { - OpenTypeVisitorDecoder v(ctx); - bool rv = ie.decode(v, cont); - if(!rv && static_cast(ctx)) - { - ctx.refErrorCtx().errorNoObject(Container::name()); - } - if(ie.is_unknown()) //skip the unknown Open Type - { - size_t size = LengthDeterminantDefault::run(ctx); - DecoderCtx::buf_type& buffer = ctx.refBuffer(); - if (buffer.getBytesLeft() < size) - ctx.refErrorCtx().lengthErrorBytes(buffer.getBytesLeft(), size); - else - buffer.advance(size); - } - } -}; - -/****************************************************************** - * RootEncoder - *****************************************************************/ -template -struct RootEncoder -{ - RootEncoder(EncoderCtx& ctx, Container const& cont) : m_ctx(ctx), m_cont(cont) {} - - template - bool operator() (IE const& ie) const - { - if(!IE::extension) - { - if(IE::optional && !ie.is_valid()) - return static_cast(m_ctx); - Adapter::run(ie, m_ctx, m_cont); - } - return static_cast(m_ctx); - } - EncoderCtx& m_ctx; - Container const& m_cont; -}; - -/****************************************************************** - * RootDecoder - *****************************************************************/ -template -struct RootDecoder -{ - RootDecoder(DecoderCtx& ctx, Container const& cont) : m_ctx(ctx), m_cont(cont) {} - - template - bool operator() (IE& ie) const - { - if(!IE::extension) - { - if(IE::optional) - { - if(m_ctx.map_elm()) - { - ie.setpresent(true); - Adapter::run(ie, m_ctx, m_cont); - } - else - ie.setpresent(false); - } - else - { - Adapter::run(ie, m_ctx, m_cont); - } - } - return static_cast(m_ctx); - } - DecoderCtx& m_ctx; - Container const& m_cont; -}; - -/****************************************************************** - * ExtEncoder - *****************************************************************/ -template -struct ExtEncoder -{ - explicit ExtEncoder(EncoderCtx& ctx, Container const& cont) : m_ctx(ctx), m_cont(cont) {} - - template - bool operator() (IE const& ie) const - { - if(!IE::extension) - return static_cast(m_ctx); - - if(IE::optional && !ie.is_valid()) - return static_cast(m_ctx); - - size_t reserved_size = 1; //1 byte length is most likely - Tools::bit_accessor::padByte(m_ctx.refBuffer()); - - if (m_ctx.refBuffer().getBytesLeft()) - { - EncoderCtx::buf_type::pointer p = m_ctx.refBuffer().advance(reserved_size); - EncoderCtx::buf_type::pointer start = p + reserved_size; - - Adapter::run(ie, m_ctx, m_cont); - - if (m_ctx) - { - Tools::bit_accessor::padByte(m_ctx.refBuffer()); - EncoderCtx::buf_type::pointer p_new = m_ctx.refBuffer().begin(); - size_t size = p_new - start; - size_t needed = LengthDeterminantDefault::bytes_needed(size) - reserved_size; - if (needed) //1 byte is not enough for the length determinant. it is hardly possible - { - if (m_ctx.refBuffer().getBytesLeft() < needed) { - m_ctx.refErrorCtx().lengthErrorBytes(m_ctx.refBuffer().getBytesLeft(), needed); - return false; - } - memmove(start + needed, start, size); - p_new += needed; - } - m_ctx.refBuffer().set_begin(p, 0); - LengthDeterminantDefault::run(m_ctx, size); - if (m_ctx) { - m_ctx.refBuffer().set_begin(p_new, 0); - Tools::bit_accessor::padByte(m_ctx.refBuffer()); - } - } - } - else - { - m_ctx.refErrorCtx().lengthErrorBytes(m_ctx.refBuffer().getBytesLeft(), reserved_size); - return false; - } - return static_cast(m_ctx); - } - EncoderCtx& m_ctx; - Container const& m_cont; -}; - -/****************************************************************** - * ExtDecoder - *****************************************************************/ -template -struct ExtDecoder -{ - explicit ExtDecoder(DecoderCtx& ctx, Container const& cont) : m_ctx(ctx), m_cont(cont) {} - - template - bool operator() (IE& ie) const - { - if(!IE::extension) - return static_cast(m_ctx); - - if (m_ctx.map_elm()) - { - ie.setpresent(true); - size_t size = LengthDeterminantDefault::run(m_ctx); - DecoderCtx::buf_type& buffer = m_ctx.refBuffer(); - if (buffer.getBytesLeft() < size) - { - m_ctx.refErrorCtx().lengthErrorBytes(buffer.getBytesLeft(), size); - return false; - } - DecoderCtx::buf_type::pointer end = buffer.end(); - buffer.set_end(buffer.begin() + size); - Adapter::run(ie, m_ctx, m_cont); - Tools::bit_accessor::padByte(m_ctx.refBuffer()); - buffer.set_end(end); - } - else - { - ie.setpresent(false); - } - - return static_cast(m_ctx); - } - DecoderCtx& m_ctx; - Container const& m_cont; -}; - -/****************************************************************** - * SeqMap - *****************************************************************/ -template -struct SeqMap; - -/* -template -struct SeqMap 8) > > -{ - static void inline run(EncoderCtx& ctx, size_t val) - { - u8 k = IE::num_opt_entries / 8; // num of full bytes in a seq map mask - u8 fb_bits = IE::num_opt_entries % 8; // num of first byte bits (without padding) - - if (fb_bits) { - // Put a part of a first byte (without padding, only seq map own bits) - Tools::bit_accessor::put((u8)(val >> 8*k), fb_bits, ctx.refBuffer()); - } - - // Put other bytes (full bytes) - for (int i = (k-1); i >= 0; i--) { - Tools::bit_accessor::put((u8)(val >> 8*i), 8, ctx.refBuffer()); - } - } - - static DecoderCtx::map_type inline run(DecoderCtx& ctx) - { - uint num_opts = IE::num_opt_entries; - u64 res = 0; - u8 k = 1; - u8 lb_bits = IE::num_opt_entries % 8; // num of last byte bits (without padding) - - while (num_opts >= 8) { - size_t shift = sizeof(DecoderCtx::map_type) * CHAR_BIT - 8*k; - - DecoderCtx::map_type rval = Tools::bit_accessor::get(8, ctx.refBuffer()); - - rval = rval << shift; - res |= rval; - - k++; - num_opts -= 8; - } - - if (lb_bits > 0) { - // (8 - lb_bits) - padding in a last byte - size_t shift = sizeof(DecoderCtx::map_type) * CHAR_BIT - 8*k + 8 - lb_bits; - - DecoderCtx::map_type rval = Tools::bit_accessor::get(lb_bits, ctx.refBuffer()); - - rval = rval << shift; - res |= rval; - } - - return res; - } -} -; -*/ - -template -struct SeqMap > //todo: to add code for more than 8 optional elements -{ - static void inline run(EncoderCtx& ctx, size_t val) - { - Tools::bit_accessor::put((u8)val, IE::num_opt_entries, ctx.refBuffer()); - } - static DecoderCtx::map_type inline run(DecoderCtx& ctx) - { - size_t shift = sizeof(DecoderCtx::map_type) * CHAR_BIT - IE::num_opt_entries; - DecoderCtx::map_type rval = Tools::bit_accessor::get(IE::num_opt_entries, ctx.refBuffer()); - rval = rval << shift; - return rval; - } -}; - -/****************************************************************** - * SeqExtMap - *****************************************************************/ -template -struct SeqExtMap -{ - static void inline run(EncoderCtx& ctx, size_t val) {} - static DecoderCtx::map_type inline run(DecoderCtx& ctx) - { - size_t len = NormallySmallLength<1>::run(ctx); - size_t shift = sizeof(DecoderCtx::map_type) * CHAR_BIT - len; - u8 tmp; - DecoderCtx::map_type rval{ 0 }; - u8 val; - - while (len) { - tmp = len > 8 ? 8 : (u8)len; - val = Tools::bit_accessor::get(tmp, ctx.refBuffer()); - rval = rval << tmp; - rval |= val; - len -= tmp; - } - rval = rval << shift; - return rval; - } -}; - -template -struct SeqExtMap 0)) > > -{ - static void inline run(EncoderCtx& ctx, size_t val) - { - NormallySmallLength::run(ctx); - Tools::bit_accessor::put((u8)val, NumExtEntries, ctx.refBuffer()); - } -}; - -template -struct SeqExtMap 8) > > -{ - static void inline run(EncoderCtx& ctx, size_t val) - { - NormallySmallLength::run(ctx); - - size_t len = NumExtEntries; - size_t tmp; - - while (len) { - tmp = len > 8 ? 8 : len; - Tools::bit_accessor::put((u8)val, tmp, ctx.refBuffer()); - val = val >> tmp; - len -= tmp; - } - } -}; - -/****************************************************************** - * SeqMapBuilder - *****************************************************************/ -struct SeqMapBuilder -{ - SeqMapBuilder(uint64_t& map) : m_map(map) {} - - template - bool operator()(IE const& ie) - { - if(!IE::extension && IE::optional) - { - m_map = m_map << 1; - if(ie.is_valid()) - m_map |= 1; - } - return true; - } - uint64_t& m_map; -}; - -/****************************************************************** - * SeqExtMapBuilder - *****************************************************************/ -struct SeqExtMapBuilder -{ - SeqExtMapBuilder(uint64_t& map) : m_map(map) {} - - template - bool operator()(IE const& ie) - { - if(IE::extension) - { - m_map = m_map << 1; - if(!IE::optional || (IE::optional && ie.is_valid())) - m_map |= 1; - } - return true; - } - uint64_t& m_map; -}; - -/****************************************************************** - * SeqNoExtDefault - *****************************************************************/ -// Default (No OPT/DEF present within the extension root) -template -struct SeqNoExtDefault -{ - static void inline run(IE const& ie, EncoderCtx& ctx) - { - RootEncoder ve(ctx, ie); - ie.encode(ve); - } - static void inline run(IE& ie, DecoderCtx& ctx, DecoderCtx::map_type map = 0) - { - RootDecoder ve(ctx, ie); - - DecoderCtx::map_type old_map = ctx.set_map(map); - ie.decode(ve); - ctx.set_map(old_map); - } -}; - -/****************************************************************** - * SeqNoExt - *****************************************************************/ -// Default (No OPT/DEF present within the extension root) -template -struct SeqNoExt -{ - static void inline run(IE const& ie, EncoderCtx& ctx) - { - SeqNoExtDefault::run(ie, ctx); - } - static void inline run(IE& ie, DecoderCtx& ctx) - { - SeqNoExtDefault::run(ie, ctx); - } -}; - -//18.2 OPT/DEF present within the extension root -template -struct SeqNoExt 0) > > -{ - static void inline run(IE const& ie, EncoderCtx& ctx) - { - uint64_t map = 0; - SeqMapBuilder mb(map); - ie.encode(mb); - SeqMap::run(ctx, map); - SeqNoExtDefault::run(ie, ctx); - } - static void inline run(IE& ie, DecoderCtx& ctx) - { - SeqNoExtDefault::run(ie, ctx, SeqMap::run(ctx)); - } -}; - -/****************************************************************** - * Seq - *****************************************************************/ -template -struct Seq; - -template -struct Seq > -{ - static void inline run(IE const& ie, EncoderCtx& ctx) - { - uint64_t map = 0; - SeqExtMapBuilder emb(map); - ie.encode(emb); - - if (map) { - Tools::bit_accessor::put(1, 1, ctx.refBuffer()); - SeqNoExt::run(ie, ctx); - SeqExtMap::run(ctx, map); - ExtEncoder ove(ctx, ie); - ie.encode(ove); - } - else { - Tools::bit_accessor::put(0, 1, ctx.refBuffer()); - SeqNoExt::run(ie, ctx); - } - } - static void inline run(IE& ie, DecoderCtx& ctx) - { - u8 ext = Tools::bit_accessor::get(1, ctx.refBuffer()); - if (ext) - { - SeqNoExt::run(ie, ctx); - - auto old_map = ctx.set_map(SeqExtMap::run(ctx)); // we do not know how many exts can be received - { - ExtDecoder ove(ctx, ie); - ie.decode(ove); - - auto& buffer = ctx.refBuffer(); - while(ctx.get_map()) - { - if(ctx.map_elm()) //skip unknown extensions - { - size_t size = LengthDeterminantDefault::run(ctx); - if (buffer.getBytesLeft() < size) - { - ctx.refErrorCtx().lengthErrorBytes(buffer.getBytesLeft(), size); - break; - } - buffer.advance(size); - } - } - } - ctx.set_map(old_map); - } - else - SeqNoExt::run(ie, ctx); - } -}; - -template -struct Seq > -{ - static void inline run(IE const& ie, EncoderCtx& ctx) - { - SeqNoExt::run(ie, ctx); - } - static void inline run(IE& ie, DecoderCtx& ctx) - { - SeqNoExt::run(ie, ctx); - } -}; - -} //namespace per -} //namespace asn