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restart: add translation unit

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This commit is contained in:
Arne Morten Kvarving 2024-09-05 14:46:54 +02:00
parent e22276b91a
commit 93d796ef22
3 changed files with 150 additions and 72 deletions
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1
CMakeLists_files.cmake
View File

@ -61,6 +61,7 @@ list (APPEND MAIN_SOURCE_FILES
opm/models/blackoil/blackoilmicpparams.cpp
opm/models/blackoil/blackoilpolymerparams.cpp
opm/models/blackoil/blackoilsolventparams.cpp
opm/models/io/restart.cpp
opm/models/parallel/mpiutil.cpp
opm/models/parallel/tasklets.cpp
opm/models/parallel/threadmanager.cpp

120
opm/models/io/restart.cpp Normal file
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@ -0,0 +1,120 @@
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
Consult the COPYING file in the top-level source directory of this
module for the precise wording of the license and the list of
copyright holders.
*/
#include <config.h>
#include <opm/models/io/restart.hpp>
namespace Opm {
std::string Restart::restartFileName_(int rank,
const std::string& outputDir,
const std::string& simName,
double t)
{
std::string dir = outputDir;
if (dir == ".") {
dir = "";
}
else if (!dir.empty() && dir.back() != '/') {
dir += "/";
}
std::ostringstream oss;
oss << dir << simName << "_time=" << t << "_rank=" << rank << ".ers";
return oss.str();
}
void Restart::serializeSectionBegin(const std::string& cookie)
{
outStream_ << cookie << "\n";
}
void Restart::serializeSectionEnd()
{
outStream_ << "\n";
}
void Restart::deserializeSectionBegin(const std::string& cookie)
{
if (!inStream_.good()) {
throw std::runtime_error("Encountered unexpected EOF in restart file.");
}
std::string buf;
std::getline(inStream_, buf);
if (buf != cookie) {
throw std::runtime_error("Could not start section '"+cookie+"'");
}
}
void Restart::deserializeSectionEnd()
{
std::string dummy;
std::getline(inStream_, dummy);
for (unsigned i = 0; i < dummy.length(); ++i) {
if (!std::isspace(dummy[i])) {
throw std::logic_error("Encountered unread values while deserializing");
}
}
}
void Restart::deserializeEnd()
{
inStream_.close();
}
void Restart::serializeEnd()
{
outStream_.close();
}
void Restart::openInputStream(const std::string& cookie)
{
// open input file and read magic cookie
inStream_.open(fileName_.c_str());
if (!inStream_.good()) {
throw std::runtime_error("Restart file '" + fileName_ +
"' could not be opened properly");
}
// make sure that we don't open an empty file
inStream_.seekg(0, std::ios::end);
auto pos = inStream_.tellg();
if (pos == 0) {
throw std::runtime_error("Restart file '" + fileName_ + "' is empty");
}
inStream_.seekg(0, std::ios::beg);
deserializeSectionBegin(cookie);
deserializeSectionEnd();
}
void Restart::openOutputStream(const std::string& cookie)
{
outStream_.open(fileName_.c_str());
outStream_.precision(20);
serializeSectionBegin(cookie);
serializeSectionEnd();
}
} // namespace Opm

101
opm/models/io/restart.hpp
View File

@ -44,7 +44,7 @@ class Restart
* unlikely to load a restart file for an incorrectly.
*/
template <class GridView>
static const std::string magicRestartCookie_(const GridView& gridView)
static std::string magicRestartCookie_(const GridView& gridView)
{
static const std::string gridName = "blubb"; // gridView.grid().name();
static const int dim = GridView::dimension;
@ -69,23 +69,10 @@ class Restart
/*!
* \brief Return the restart file name.
*/
template <class GridView, class Scalar>
static const std::string restartFileName_(const GridView& gridView,
const std::string& outputDir,
const std::string& simName,
Scalar t)
{
std::string dir = outputDir;
if (dir == ".")
dir = "";
else if (!dir.empty() && dir.back() != '/')
dir += "/";
int rank = gridView.comm().rank();
std::ostringstream oss;
oss << dir << simName << "_time=" << t << "_rank=" << rank << ".ers";
return oss.str();
}
static std::string restartFileName_(int rank,
const std::string& outputDir,
const std::string& simName,
double t);
public:
/*!
@ -100,18 +87,13 @@ public:
template <class Simulator>
void serializeBegin(Simulator& simulator)
{
const std::string magicCookie = magicRestartCookie_(simulator.gridView());
fileName_ = restartFileName_(simulator.gridView(),
fileName_ = restartFileName_(simulator.gridView().comm().rank(),
simulator.problem().outputDir(),
simulator.problem().name(),
simulator.time());
// open output file and write magic cookie
outStream_.open(fileName_.c_str());
outStream_.precision(20);
serializeSectionBegin(magicCookie);
serializeSectionEnd();
openOutputStream(magicRestartCookie_(simulator.gridView()));
}
/*!
@ -123,14 +105,12 @@ public:
/*!
* \brief Start a new section in the serialized output.
*/
void serializeSectionBegin(const std::string& cookie)
{ outStream_ << cookie << "\n"; }
void serializeSectionBegin(const std::string& cookie);
/*!
* \brief End of a section in the serialized output.
*/
void serializeSectionEnd()
{ outStream_ << "\n"; }
void serializeSectionEnd();
/*!
* \brief Serialize all leaf entities of a codim in a gridView.
@ -161,8 +141,7 @@ public:
/*!
* \brief Finish the restart file.
*/
void serializeEnd()
{ outStream_.close(); }
void serializeEnd();
/*!
* \brief Start reading a restart file at a certain simulated
@ -171,26 +150,10 @@ public:
template <class Simulator, class Scalar>
void deserializeBegin(Simulator& simulator, Scalar t)
{
fileName_ = restartFileName_(simulator.gridView(), simulator.problem().outputDir(), simulator.problem().name(), t);
// open input file and read magic cookie
inStream_.open(fileName_.c_str());
if (!inStream_.good()) {
throw std::runtime_error("Restart file '"+fileName_+"' could not be opened properly");
}
// make sure that we don't open an empty file
inStream_.seekg(0, std::ios::end);
auto pos = inStream_.tellg();
if (pos == 0) {
throw std::runtime_error("Restart file '"+fileName_+"' is empty");
}
inStream_.seekg(0, std::ios::beg);
const std::string magicCookie = magicRestartCookie_(simulator.gridView());
deserializeSectionBegin(magicCookie);
deserializeSectionEnd();
fileName_ = restartFileName_(simulator.gridView().comm().rank(),
simulator.problem().outputDir(),
simulator.problem().name(), t);
openInputStream(magicRestartCookie_(simulator.gridView()));
}
/*!
@ -203,29 +166,12 @@ public:
/*!
* \brief Start reading a new section of the restart file.
*/
void deserializeSectionBegin(const std::string& cookie)
{
if (!inStream_.good())
throw std::runtime_error("Encountered unexpected EOF in restart file.");
std::string buf;
std::getline(inStream_, buf);
if (buf != cookie)
throw std::runtime_error("Could not start section '"+cookie+"'");
}
void deserializeSectionBegin(const std::string& cookie);
/*!
* \brief End of a section in the serialized output.
*/
void deserializeSectionEnd()
{
std::string dummy;
std::getline(inStream_, dummy);
for (unsigned i = 0; i < dummy.length(); ++i) {
if (!std::isspace(dummy[i])) {
throw std::logic_error("Encountered unread values while deserializing");
}
}
}
void deserializeSectionEnd();
/*!
* \brief Deserialize all leaf entities of a codim in a grid.
@ -262,10 +208,21 @@ public:
/*!
* \brief Stop reading the restart file.
*/
void deserializeEnd()
{ inStream_.close(); }
void deserializeEnd();
private:
/*!
* \brief Open input stream and check for magic cookie.
* \param cookie Magic cookie to check for
*/
void openInputStream(const std::string& cookie);
/*!
* \brief Open output stream and write magic cookie.
* \param cookie Magic cookie to write
*/
void openOutputStream(const std::string& cookie);
std::string fileName_;
std::ifstream inStream_;
std::ofstream outStream_;