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/*******************************************************************************
*
* MIT License
*
* Copyright (C) 2020-2022 Advanced Micro Devices, Inc. All rights reserved.
*
* 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.
*
*******************************************************************************/
#include <Tensile/msgpack/MessagePack.hpp>
#include <Tensile/msgpack/Loading.hpp>
#include <fstream>
namespace Tensile
{
namespace Serialization
{
void objectToMap(msgpack::object& object,
std::unordered_map<std::string, msgpack::object>& result)
{
if(object.type != msgpack::type::object_type::MAP)
throw std::runtime_error(concatenate("Expected MAP, found ", object.type));
for(uint32_t i = 0; i < object.via.map.size; i++)
{
auto& element = object.via.map.ptr[i];
std::string key;
switch(element.key.type)
{
case msgpack::type::object_type::STR:
{
element.key.convert(key);
break;
}
case msgpack::type::object_type::POSITIVE_INTEGER:
{
auto iKey = element.key.as<uint32_t>();
key = std::to_string(iKey);
break;
}
default:
throw std::runtime_error("Unexpected map key type");
}
result[key] = std::move(element.val);
}
}
}
template <typename MyProblem, typename MySolution>
std::shared_ptr<SolutionLibrary<MyProblem, MySolution>>
MessagePackLoadLibraryFile(std::string const& filename,
const std::vector<LazyLoadingInit>& preloaded)
{
// parse file into a msgpack::object_handle
msgpack::object_handle result;
try
{
std::ifstream in(filename, std::ios::in | std::ios::binary);
if(!in.is_open())
{
if(Debug::Instance().printDataInit())
std::cout << "Error loading " << filename << " (msgpack):\nFailed to open file"
<< std::endl;
return nullptr;
}
msgpack::unpacker unp;
bool finished_parsing;
constexpr size_t buffer_size = 1 << 19;
do
{
unp.reserve_buffer(buffer_size);
in.read(unp.buffer(), buffer_size);
unp.buffer_consumed(in.gcount());
finished_parsing = unp.next(result); // may throw msgpack::parse_error
} while(!finished_parsing && !in.fail());
if(!finished_parsing)
{
if(Debug::Instance().printDataInit())
{
const char* const error_str
= in.eof() ? "Unexpected end of file" : "Read failure";
std::cout << "Error loading " << filename << " (msgpack):\n"
<< error_str << std::endl;
}
return nullptr;
}
}
catch(std::runtime_error const& exc)
{
if(Debug::Instance().printDataInit())
std::cout << "Error loading msgpack data:\n" << exc.what() << std::endl;
return nullptr;
}
// copy data from msgpack::object_handle into MasterSolutionLibrary
try
{
std::shared_ptr<MasterSolutionLibrary<MyProblem, MySolution>> rv;
LibraryIOContext<MySolution> context{filename, preloaded, nullptr};
Serialization::MessagePackInput min(result.get(), &context);
Serialization::PointerMappingTraits<Tensile::MasterContractionLibrary,
Serialization::MessagePackInput>::mapping(min, rv);
if(!min.error.empty())
{
std::ostringstream msg;
msg << "Error loading msgpack data:\n";
for(auto const& err : min.error)
msg << err << std::endl;
throw std::runtime_error(msg.str());
}
return rv;
}
catch(std::runtime_error const& exc)
{
if(Debug::Instance().printDataInit())
std::cout << "Error loading msgpack data:\n" << exc.what() << std::endl;
return nullptr;
}
}
template <typename MyProblem, typename MySolution>
std::shared_ptr<SolutionLibrary<MyProblem, MySolution>>
MessagePackLoadLibraryData(std::vector<uint8_t> const& data)
{
try
{
std::shared_ptr<MasterSolutionLibrary<MyProblem, MySolution>> rv;
auto result = msgpack::unpack((const char*)data.data(), data.size());
LibraryIOContext<MySolution> context{std::string(""), {}, nullptr};
Serialization::MessagePackInput min(result.get(), &context);
Serialization::PointerMappingTraits<Tensile::MasterContractionLibrary,
Serialization::MessagePackInput>::mapping(min, rv);
if(!min.error.empty())
{
std::ostringstream msg;
msg << "Error loading msgpack data:" << std::endl;
for(auto const& err : min.error)
msg << err << std::endl;
throw std::runtime_error(msg.str());
}
return rv;
}
catch(std::runtime_error const& exc)
{
if(Debug::Instance().printDataInit())
std::cout << "Error loading msgpack data:" << std::endl << exc.what() << std::endl;
return nullptr;
}
}
template std::shared_ptr<SolutionLibrary<ContractionProblem, ContractionSolution>>
MessagePackLoadLibraryFile<ContractionProblem, ContractionSolution>(
std::string const& filename, const std::vector<LazyLoadingInit>& preloaded);
template std::shared_ptr<SolutionLibrary<ContractionProblem, ContractionSolution>>
MessagePackLoadLibraryData<ContractionProblem, ContractionSolution>(
std::vector<uint8_t> const& data);
}
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