OTP Layer PDU i/o
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@ -57,6 +57,8 @@ set(SOURCE_FILES
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dmx/personality.cpp
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dmx/universe.cpp
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dmx/universe.h
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otp/base.h
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otp/base.cpp
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otp/otp.h
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otp/pdu.h
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otp/pdu.cpp
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@ -0,0 +1,179 @@
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/*
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otp/base.cpp
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Copyright (c) 2021 Kevin Matz (kevin.matz@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "base.h"
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#include "otp.h"
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#include "transform.h"
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#include "advertisement.h"
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namespace OTP::Layer {
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/**
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* @brief base_data::streamSize
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* @return
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*/
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size_t base_data::streamSize() const
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{
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return 15
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+ UUID_LENGTH
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+ 32 // name length
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+ payload->streamSize();
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}
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/**
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* @brief base_data::iStream
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* @param stream
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*/
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void base_data::iStream(PDU::Stream stream)
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{
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*stream >> footer_options;
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*stream >> footer_length;
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*stream >> cid;
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*stream >> folio_number;
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*stream >> page;
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*stream >> last_page;
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*stream >> options;
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*stream >> reserved;
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stream->readString(name, 32);
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}
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/**
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* @brief base_data::oStream
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* @param stream
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*/
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void base_data::oStream(PDU::Stream stream) const
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{
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*stream << footer_options;
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*stream << footer_length;
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*stream << cid;
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*stream << folio_number;
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*stream << page;
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*stream << last_page;
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*stream << options;
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*stream << reserved;
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stream->writeString(name, 32);
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payload->oStream(stream);
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}
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/**
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* @brief base_footer::iStream
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* @param stream
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*/
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void base_footer::iStream(PDU::Stream stream)
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{
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if (stream->available() < length)
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return stream->setstate(std::ios_base::failbit);
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for (uint8_t i = 0; i < length; i++)
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data.push_back(stream->get());
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}
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/**
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* @brief base_footer::oStream
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* @param stream
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*/
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void base_footer::oStream(PDU::Stream stream) const
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{
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for (const auto &d : data)
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*stream << d;
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}
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/**
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* @brief pdu::streamSize
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* @return
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*/
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size_t pdu::streamSize() const
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{
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size_t ret = 0;
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ret += sizeof(OTP_PACKET_IDENTIFIER);
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ret += footer.streamSize();
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return ret;
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}
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/**
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* @brief pdu::iStream
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* @param stream
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*/
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void pdu::iStream(PDU::Stream stream)
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{
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// check packet identifier
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uint8_t ident[sizeof(OTP_PACKET_IDENTIFIER)];
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stream->read(ident, sizeof(ident));
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if (stream->gcount() != sizeof(ident))
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return stream->setstate(std::ios_base::failbit);
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if (memcmp(OTP_PACKET_IDENTIFIER, ident, sizeof(ident)) != 0)
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return stream->setstate(std::ios_base::failbit);
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OTP::PDU::pdu::iStream(stream); // vector and length
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createData<base_data>(); // data
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auto d = static_cast<base_data*>(data);
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switch (vector)
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{
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case VECTOR_OTP_TRANSFORM_MESSAGE:
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d->payload = std::shared_ptr<Transform::pdu>(new Transform::pdu());
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d->payload->iStream(stream_);
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break;
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case VECTOR_OTP_ADVERTISEMENT_MESSAGE:
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d->payload = std::shared_ptr<Advertisement::pdu>(new Advertisement::pdu());
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d->payload->iStream(stream_);
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break;
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}
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footer.options = d->footer_options;
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footer.length = d->footer_length;
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footer.iStream(stream); // footer
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}
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/**
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* @brief pdu::oStream
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* @param stream
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*/
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void pdu::oStream(PDU::Stream stream) const
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{
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// packet identifier
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stream->write(OTP_PACKET_IDENTIFIER, sizeof (OTP_PACKET_IDENTIFIER));
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// sync footer parameters
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auto d = static_cast<base_data*>(data);
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d->footer_options = footer.options;
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d->footer_length = footer.streamSize();
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// PDU body
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OTP::PDU::pdu::oStream(stream);
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// footer
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footer.oStream(stream);
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}
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} // namespace OTP::Layer
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@ -0,0 +1,86 @@
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/*
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otp/base.h
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Copyright (c) 2021 Kevin Matz (kevin.matz@gmail.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#pragma once
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#include "pdu.h"
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namespace OTP::Layer {
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/**
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* @brief The base_data struct
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*/
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struct base_data
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: PDU::pdu_data
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{
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uint8_t footer_options;
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uint8_t footer_length;
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UUID::uuid cid;
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uint32_t folio_number;
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uint16_t page;
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uint16_t last_page;
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uint8_t options;
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uint32_t reserved;
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std::string name;
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PDU::Pdu payload;
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virtual size_t streamSize() const override;
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virtual void iStream(PDU::Stream) override;
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virtual void oStream(PDU::Stream) const override;
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};
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/**
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* @brief The base_footer struct
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*/
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struct base_footer
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: PDU::pdu_stream_object
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{
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uint8_t options;
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uint8_t length;
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std::vector<uint8_t> data;
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virtual size_t streamSize() const override { return data.size(); }
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virtual void iStream(PDU::Stream) override;
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virtual void oStream(PDU::Stream) const override;
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};
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/**
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* @brief The pdu class
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*/
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class pdu
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: public OTP::PDU::pdu
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{
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public:
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base_footer footer;
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virtual size_t streamSize() const override;
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virtual void iStream(PDU::Stream) override;
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virtual void oStream(PDU::Stream) const override;
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};
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} // OTP::Layer
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