213 lines
4.6 KiB
C++
213 lines
4.6 KiB
C++
/*
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extended.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 "extended.h"
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#include "sacn.h"
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namespace sACN {
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namespace EXTENDED {
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/**
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* @brief frame_sync_header::iStream
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* @param stream
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*/
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void sync_header::iStream(ACN::PDU::Stream stream)
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{
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*stream >> sequence_number;
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/// > \cite sACN 6.3.3.1 Synchronization Address Usage
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/// >
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/// > Synchronization Address of 0 is thus meaningless, and shall not be
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/// > transmitted. Receivers shall ignore Synchronization Packets containing
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/// > a Synchronization Address of 0.
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*stream >> sync_address;
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if (sync_address == 0)
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stream->setstate(std::ios_base::failbit);
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if (sync_address >=64000)
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stream->setstate(std::ios_base::failbit);
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*stream >> reserved;
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}
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/**
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* @brief sync_header::oStream
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* @param stream
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*/
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void sync_header::oStream(ACN::PDU::Stream stream) const
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{
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*stream << sequence_number;
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*stream << sync_address;
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*stream << reserved;
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}
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/**
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* @brief discovery_header::iStream
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* @param stream
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*/
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void discovery_header::iStream(ACN::PDU::Stream stream)
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{
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stream->readString(source_name, 64);
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*stream >> reserved;
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}
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/**
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* @brief discovery_header::oStream
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* @param stream
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*/
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void discovery_header::oStream(ACN::PDU::Stream stream) const
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{
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stream->writeString(source_name, 64);
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*stream << reserved;
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}
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/**
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* @brief Pdu::Pdu
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*/
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Pdu::Pdu()
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: ACN::PDU::Pdu(4) // vectors are 4 octets
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{
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}
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void Pdu::iStream(ACN::PDU::Stream stream)
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{
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ACN::PDU::Pdu::iStream(stream); // flags, length, and vector
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switch(vector_)
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{
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case VECTOR_E131_EXTENDED_SYNCHRONIZATION:
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createHeader<sync_header>(); // header
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break; // has no data // data
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case VECTOR_E131_EXTENDED_DISCOVERY:
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createHeader<discovery_header>(); // header
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createDataBlock<DISCOVERY::Pdu>(); // data
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break;
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default:
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break;
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}
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}
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namespace DISCOVERY {
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/**
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* @brief discovery_list_header::iStream
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* @param stream
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*/
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void discovery_list_header::iStream(ACN::PDU::Stream stream)
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{
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*stream >> page;
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*stream >> last_page;
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}
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/**
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* @brief discovery_list_header::oStream
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* @param stream
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*/
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void discovery_list_header::oStream(ACN::PDU::Stream stream) const
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{
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*stream << page;
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*stream << last_page;
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}
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/**
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* @brief discovery_list_data::iStream
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* @param stream
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*/
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void discovery_list_data::iStream(ACN::PDU::Stream stream)
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{
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while (stream->good())
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{
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found.emplace_back(std::make_shared<discoveredUniverse>());
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*stream >> found.back()->universe;
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}
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}
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/**
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* @brief discovery_list_data::oStream
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* @param stream
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*/
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void discovery_list_data::oStream(ACN::PDU::Stream stream) const
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{
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for (auto & d : found)
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*stream << d->universe;
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}
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/**
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* @brief Pdu::Pdu
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*/
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Pdu::Pdu()
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: ACN::PDU::Pdu(4) // vectors are 4 octets
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{
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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(ACN::PDU::Stream stream)
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{
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ACN::PDU::Pdu::iStream(stream); // flags, length, and vector
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createHeader<discovery_list_header>(); // header
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createData<discovery_list_data>(); // data
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}
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/**
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* @brief discoveredUniverse operator ==
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* @param a
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* @param b
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* @return
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*/
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bool operator== (const discoveredUniverse& a, const discoveredUniverse& b)
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{
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return (a.description == b.description &&
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a.universe == b.universe &&
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a.source == b.source);
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}
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/**
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* @brief operator <
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* @param a
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* @param b
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* @return
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*/
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bool operator< (const discoveredUniverse& a, const discoveredUniverse& b)
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{
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if (a.universe != b.universe)
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return (a.universe < b.universe);
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return a.source < b.source;
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}
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} // DISCOVERY
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} // EXTENDED
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} // SACN
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