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System.cpp
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System.cpp
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/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
* c/o Linköpings universitet, Department of Computer and Information Science,
* SE-58183 Linköping, Sweden.
*
* All rights reserved.
*
* THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
* THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
* ACCORDING TO RECIPIENTS CHOICE.
*
* The OpenModelica software and the Open Source Modelica
* Consortium (OSMC) Public License (OSMC-PL) are obtained
* from OSMC, either from the above address,
* from the URLs: http://www.ida.liu.se/projects/OpenModelica or
* http://www.openmodelica.org, and in the OpenModelica distribution.
* GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
*
* This program is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
* IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
*
* See the full OSMC Public License conditions for more details.
*
*/
#include "System.h"
#include "Component.h"
#include "ComponentFMUCS.h"
#include "ComponentFMUME.h"
#include "ComponentTable.h"
#include "ExternalModel.h"
#include "Flags.h"
#include "Model.h"
#include "ResultWriter.h"
#include "ssd/Tags.h"
#include "SystemSC.h"
#include "SystemTLM.h"
#include "SystemWC.h"
#include "Types.h"
#include <boost/filesystem.hpp>
#include <RegEx.h>
oms::System::System(const oms::ComRef& cref, oms_system_enu_t type, oms::Model* parentModel, oms::System* parentSystem, oms_solver_enu_t solverMethod)
: element(oms_element_system, cref), cref(cref), type(type), parentModel(parentModel), parentSystem(parentSystem), solverMethod(solverMethod)
{
connections.push_back(NULL);
connectors.push_back(NULL);
element.setConnectors(&connectors[0]);
busconnectors.push_back(NULL);
element.setBusConnectors(&busconnectors[0]);
#if !defined(NO_TLM)
tlmbusconnectors.push_back(NULL);
element.setTLMBusConnectors(&tlmbusconnectors[0]);
#endif
subelements.push_back(NULL);
element.setSubElements(&subelements[0]);
}
oms::System::~System()
{
for (const auto& connector : connectors)
if (connector)
delete connector;
for (const auto& connection : connections)
if (connection)
delete connection;
for (const auto& component : components)
delete component.second;
for (const auto& subsystem : subsystems)
delete subsystem.second;
for (const auto& busconnector : busconnectors)
if (busconnector)
delete busconnector;
#if !defined(NO_TLM)
for (const auto tlmbusconnector : tlmbusconnectors)
if (tlmbusconnector)
delete tlmbusconnector;
#endif
}
oms::System* oms::System::NewSystem(const oms::ComRef& cref, oms_system_enu_t type, oms::Model* parentModel, oms::System* parentSystem)
{
if (!cref.isValidIdent())
{
logError_InvalidIdent(cref);
return NULL;
}
if (parentSystem && parentSystem->getSystem(cref))
{
logError("Name is already in use");
return NULL;
}
if (parentSystem && parentSystem->getComponent(cref))
{
logError("Name is already in use");
return NULL;
}
if ((parentModel && parentSystem) || (!parentModel && !parentSystem))
{
logError_InternalError;
return NULL;
}
switch (type)
{
case oms_system_tlm:
if (parentSystem)
{
logError("A TLM system must be the the root system of a model.");
return NULL;
}
#if !defined(NO_TLM)
return SystemTLM::NewSystem(cref, parentModel, parentSystem);
#else
return nullptr;
#endif
case oms_system_wc:
if (parentSystem && oms_system_tlm != parentSystem->getType())
{
logError("A WC system must be the root system or a subsystem of a TLM system.");
return NULL;
}
return SystemWC::NewSystem(cref, parentModel, parentSystem);
case oms_system_sc:
if (parentSystem && oms_system_wc != parentSystem->getType())
{
logError("A SC system must be the root system or a subsystem of a WC system.");
return NULL;
}
return SystemSC::NewSystem(cref, parentModel, parentSystem);
}
logError_InternalError;
return NULL;
}
oms::ComRef oms::System::getFullCref() const
{
if (parentSystem)
return parentSystem->getFullCref() + this->getCref();
if (parentModel)
return ComRef(parentModel->getCref()) + this->getCref();
logError_InternalError;
return this->getCref();
}
oms::System* oms::System::getSystem(const oms::ComRef& cref)
{
if (cref.isEmpty())
return this;
oms::ComRef tail(cref);
oms::ComRef front = tail.pop_front();
auto it = subsystems.find(front);
if (it == subsystems.end())
return NULL;
return it->second->getSystem(tail);
}
oms::Component* oms::System::getComponent(const oms::ComRef& cref)
{
oms::System* system = NULL;
oms::ComRef tail(cref);
oms::ComRef front = tail.pop_front();
auto subsystem = subsystems.find(front);
if (subsystem != subsystems.end())
return subsystem->second->getComponent(tail);
auto component = components.find(cref);
if (component == components.end())
return NULL;
return component->second;
}
oms::System *oms::System::getSubSystem(const oms::ComRef &cref)
{
auto it = subsystems.find(cref);
if (it == subsystems.end())
return NULL;
return it->second;
}
bool oms::System::validCref(const oms::ComRef& cref)
{
if (!cref.isValidIdent())
return false;
if (getSystem(cref))
return false;
if (getComponent(cref))
return false;
if (getConnector(cref))
return false;
if (getBusConnector(cref))
return false;
#if !defined(NO_TLM)
if (getTLMBusConnector(cref))
return false;
#endif
return true;
}
oms_status_enu_t oms::System::addSubSystem(const oms::ComRef& cref, oms_system_enu_t type)
{
if (cref.isEmpty())
return logError_AlreadyInScope(getFullCref());
if (cref.isValidIdent())
{
if (this->type == oms_system_sc)
return logError_NotForScSystem;
System* system = System::NewSystem(cref, type, NULL, this);
if (system)
{
subsystems[cref] = system;
subelements.back() = reinterpret_cast<oms_element_t*>(system->getElement());
subelements.push_back(NULL);
element.setSubElements(&subelements[0]);
return oms_status_ok;
}
return oms_status_error;
}
ComRef tail(cref);
ComRef front = tail.pop_front();
System* system = this->getSystem(front);
if (!system)
return logError("System \"" + std::string(getFullCref()) + "\" does not contain system \"" + std::string(front) + "\"");
return system->addSubSystem(tail, type);
}
oms_status_enu_t oms::System::addSubModel(const oms::ComRef& cref, const std::string& path)
{
if (cref.isValidIdent())
{
if (!validCref(cref))
return logError_AlreadyInScope(getFullCref() + cref);
if (!boost::filesystem::exists(path))
return logError("file does not exist: \"" + path + "\"");
Component* component = NULL;
std::string extension = "";
if (path.length() > 4)
extension = path.substr(path.length() - 4);
if (extension == ".fmu" && oms_system_wc == type)
component = ComponentFMUCS::NewComponent(cref, this, path);
else if (extension == ".fmu" && oms_system_sc == type)
component = ComponentFMUME::NewComponent(cref, this, path);
else if (extension == ".csv" || extension == ".mat")
component = ComponentTable::NewComponent(cref, this, path);
else
return logError("supported sub-model formats are \".fmu\", \".csv\", \".mat\"");
if (!component)
return oms_status_error;
components[cref] = component;
subelements.back() = reinterpret_cast<oms_element_t*>(component->getElement());
subelements.push_back(NULL);
element.setSubElements(&subelements[0]);
return oms_status_ok;
}
ComRef tail(cref);
ComRef front = tail.pop_front();
System* system = this->getSystem(front);
if (!system)
return logError("System \"" + std::string(getFullCref()) + "\" does not contain system \"" + std::string(front) + "\"");
return system->addSubModel(tail, path);
}
oms_status_enu_t oms::System::listUnconnectedConnectors(char** contents) const
{
if (!contents)
return oms_status_error;
std::vector<ComRef> unconnectedInputs;
std::vector<ComRef> unconnectedOutputs;
std::vector<ComRef> unconnectedBuses;
for (const auto& component : components)
{
Element* element = component.second->getElement();
Connector** connectors = element->getConnectors();
for (int i=0; connectors[i]; ++i)
{
ComRef cref(component.second->getCref() + connectors[i]->getName());
if (!isConnected(cref))
{
if (connectors[i]->isInput())
unconnectedInputs.push_back(getFullCref() + cref);
if (connectors[i]->isOutput())
unconnectedOutputs.push_back(getFullCref() + cref);
}
}
}
for (const auto& connector : connectors)
{
if (connector && !isConnected(connector->getName()))
{
const ComRef& cref = connector->getName();
if (!isConnected(cref))
{
if (connector->isInput())
unconnectedInputs.push_back(getFullCref() + cref);
if (connector->isOutput())
unconnectedOutputs.push_back(getFullCref() + cref);
}
}
}
for (const auto& busconnector : busconnectors)
if (busconnector && !isConnected(busconnector->getName()))
unconnectedBuses.push_back(getFullCref() + busconnector->getName());
#if !defined(NO_TLM)
for (const auto& tlmbusconnector : tlmbusconnectors)
if (tlmbusconnector && !isConnected(tlmbusconnector->getName()))
unconnectedBuses.push_back(getFullCref() + tlmbusconnector->getName());
#endif
std::string msg;
for (const auto& unconnectedInput : unconnectedInputs)
msg += "input " + std::string(unconnectedInput) + "\n";
for (const auto& unconnectedOutput : unconnectedOutputs)
msg += "output " + std::string(unconnectedOutput) + "\n";
for (const auto& unconnectedBus : unconnectedBuses)
msg += "bus " + std::string(unconnectedBus) + "\n";
if (!msg.empty())
{
*contents = (char*) malloc(msg.length() + 1);
strcpy(*contents, msg.c_str());
}
return oms_status_ok;
}
oms_status_enu_t oms::System::exportToSSD(pugi::xml_node& node) const
{
node.append_attribute("name") = this->getCref().c_str();
// export ssd:SimulationInformation
if (oms_status_ok != this->exportToSSD_SimulationInformation(node))
return logError("export of system SimulationInformation failed");
if (oms_status_ok != element.getGeometry()->exportToSSD(node))
return logError("export of system ElementGeometry failed");
pugi::xml_node elements_node = node.append_child(oms::ssd::ssd_elements);
for (const auto& subsystem : subsystems)
{
pugi::xml_node system_node = elements_node.append_child(oms::ssd::ssd_system);
if (oms_status_ok != subsystem.second->exportToSSD(system_node))
return logError("export of system failed");
}
for (const auto& component : components)
{
pugi::xml_node component_node = elements_node.append_child(oms::ssd::ssd_component);
if (oms_status_ok != component.second->exportToSSD(component_node))
return logError("export of component failed");
}
pugi::xml_node connectors_node = node.append_child(oms::ssd::ssd_connectors);
for(const auto& connector : connectors)
if (connector)
connector->exportToSSD(connectors_node);
std::vector<oms::Connection*> busconnections;
pugi::xml_node connections_node = node.append_child(oms::ssd::ssd_connections);
for (const auto& connection : connections)
if (connection && connection->getType() == oms_connection_single)
connection->exportToSSD(connections_node);
else if (connection)
busconnections.push_back(connection);
#if !defined(NO_TLM)
if (busconnectors[0] || tlmbusconnectors[0] || !busconnections.empty())
#else
if (busconnectors[0] || !busconnections.empty())
#endif
{
pugi::xml_node annotations_node = node.append_child(oms::ssd::ssd_annotations);
pugi::xml_node annotation_node = annotations_node.append_child(oms::ssd::ssd_annotation);
annotation_node.append_attribute("type") = oms::annotation_type;
for (const auto& busconnector : busconnectors)
if (busconnector)
busconnector->exportToSSD(annotation_node);
#if !defined(NO_TLM)
for (const auto& tlmbusconnector : tlmbusconnectors)
if (tlmbusconnector)
tlmbusconnector->exportToSSD(annotation_node);
#endif
if (!busconnections.empty())
{
pugi::xml_node busconnections_node = annotation_node.append_child(oms::bus_connections);
for (const auto& busconnection : busconnections)
busconnection->exportToSSD(busconnections_node);
}
}
return oms_status_ok;
}
oms_status_enu_t oms::System::importFromSSD(const pugi::xml_node& node)
{
for(pugi::xml_node_iterator it = node.begin(); it != node.end(); ++it)
{
std::string name = it->name();
if (name == oms::ssd::ssd_simulation_information)
{
if (oms_status_ok != importFromSSD_SimulationInformation(*it))
return logError("Failed to import " + std::string(oms::ssd::ssd_simulation_information));
}
else if (name == oms::ssd::ssd_element_geometry)
{
oms::ssd::ElementGeometry geometry;
geometry.importFromSSD(*it);
setGeometry(geometry);
}
else if (name == oms::ssd::ssd_connections)
{
for(pugi::xml_node_iterator itConnectors = (*it).begin(); itConnectors != (*it).end(); ++itConnectors)
{
ComRef startElement = ComRef(itConnectors->attribute("startElement").as_string());
ComRef startConnector = ComRef(itConnectors->attribute("startConnector").as_string());
ComRef endElement = ComRef(itConnectors->attribute("endElement").as_string());
ComRef endConnector = ComRef(itConnectors->attribute("endConnector").as_string());
ComRef crefA = startConnector;
if (!startElement.isEmpty())
crefA = startElement + startConnector;
ComRef crefB = endConnector;
if (!endElement.isEmpty())
crefB = endElement + endConnector;
if (oms_status_ok != addConnection(crefA, crefB))
return logError("Failed to import " + std::string(oms::ssd::ssd_connection));
else
{
// Load connection geometry
if (oms_status_ok != importFromSSD_ConnectionGeometry(*itConnectors, crefA, crefB))
return logError("Failed to import " + std::string(oms::ssd::ssd_connection_geometry));
}
}
}
else if (name == oms::ssd::ssd_connectors)
{
for(pugi::xml_node_iterator itConnectors = (*it).begin(); itConnectors != (*it).end(); ++itConnectors)
{
connectors.back() = oms::Connector::NewConnector(*itConnectors);
if (connectors.back())
{
exportConnectors[connectors.back()->getName()] = true;
connectors.push_back(NULL);
}
else
return logError("Failed to import ssd:connector");
element.setConnectors(&connectors[0]);
}
}
else if (name == oms::ssd::ssd_elements)
{
for(pugi::xml_node_iterator itElements = (*it).begin(); itElements != (*it).end(); ++itElements)
{
name = itElements->name();
if (name == oms::ssd::ssd_system)
{
ComRef systemCref = ComRef(itElements->attribute("name").as_string());
// lochel: I guess that can somehow be improved
oms_system_enu_t systemType = oms_system_tlm;
if (std::string(itElements->child(oms::ssd::ssd_simulation_information).child("VariableStepSolver").attribute("description").as_string()) != "")
systemType = oms_system_sc;
if (std::string(itElements->child(oms::ssd::ssd_simulation_information).child("FixedStepSolver").attribute("description").as_string()) != "")
systemType = oms_system_sc;
if (std::string(itElements->child(oms::ssd::ssd_simulation_information).child("VariableStepMaster").attribute("description").as_string()) != "")
systemType = oms_system_wc;
if (std::string(itElements->child(oms::ssd::ssd_simulation_information).child("FixedStepMaster").attribute("description").as_string()) != "")
systemType = oms_system_wc;
if (oms_status_ok != addSubSystem(systemCref, systemType))
return oms_status_error;
System* system = getSystem(systemCref);
if (!system)
return oms_status_error;
if (oms_status_ok != system->importFromSSD(*itElements))
return oms_status_error;
}
else if (name == oms::ssd::ssd_component)
{
Component* component = NULL;
std::string type = itElements->attribute("type").as_string();
if ("application/x-fmu-sharedlibrary" == type)
{
if (getType() == oms_system_wc)
component = ComponentFMUCS::NewComponent(*itElements, this);
else if (getType() == oms_system_sc)
component = ComponentFMUME::NewComponent(*itElements, this);
else
return logError("wrong xml schema detected: " + name);
}
else if ("application/table" == type)
component = ComponentTable::NewComponent(*itElements, this);
if (component)
{
components[component->getCref()] = component;
subelements.back() = reinterpret_cast<oms_element_t*>(component->getElement());
subelements.push_back(NULL);
element.setSubElements(&subelements[0]);
}
else
return oms_status_error;
}
else
return logError("wrong xml schema detected: " + name);
}
}
else if (name == oms::ssd::ssd_annotations)
{
pugi::xml_node annotation_node = it->child(oms::ssd::ssd_annotation);
if (annotation_node && std::string(annotation_node.attribute("type").as_string()) == oms::annotation_type)
{
for(pugi::xml_node_iterator itAnnotations = annotation_node.begin(); itAnnotations != annotation_node.end(); ++itAnnotations)
{
name = itAnnotations->name();
if (std::string(name) == oms::bus)
{
//Load bus connector
std::string busname = itAnnotations->attribute("name").as_string();
if (std::string(itAnnotations->attribute("type").as_string()) == "tlm")
{
std::string domainstr = itAnnotations->attribute("domain").as_string();
int dimensions = itAnnotations->attribute("dimensions").as_int();
std::string interpolationstr = itAnnotations->attribute("interpolation").as_string();
oms_tlm_interpolation_t interpolation;
if (interpolationstr == "none")
interpolation = oms_tlm_no_interpolation;
else if (interpolationstr == "coarsegrained")
interpolation = oms_tlm_coarse_grained;
else if (interpolationstr == "finegrained")
interpolation = oms_tlm_fine_grained;
else
return logError("Unsupported interpolation type: "+interpolationstr);
oms_tlm_domain_t domain;
if(domainstr == "input")
domain = oms_tlm_domain_input;
else if(domainstr == "output")
domain = oms_tlm_domain_output;
else if(domainstr == "mechanical")
domain = oms_tlm_domain_mechanical;
else if(domainstr == "rotational")
domain = oms_tlm_domain_rotational;
else if(domainstr == "hydraulic")
domain = oms_tlm_domain_hydraulic;
else if(domainstr == "electric")
domain = oms_tlm_domain_electric;
else
return logError("Unsupported TLM domain: "+domainstr);
if (oms_status_ok != addTLMBus(busname,domain,dimensions,interpolation))
return oms_status_error;
}
else {
if (oms_status_ok != addBus(busname))
return oms_status_error;
}
//Load bus connector signals
pugi::xml_node signals_node = itAnnotations->child(oms::signals);
if (signals_node)
{
for(pugi::xml_node_iterator itSignals = signals_node.begin(); itSignals != signals_node.end(); ++itSignals)
{
name = itSignals->name();
if (name == oms::signal)
{
std::string signalname = itSignals->attribute("name").as_string();
if (std::string(itAnnotations->attribute("type").as_string()) == "tlm")
{
std::string signaltype = itSignals->attribute("type").as_string();
addConnectorToTLMBus(busname, signalname, signaltype);
}
else
addConnectorToBus(busname, signalname);
}
}
}
// Load bus connector geometry
pugi::xml_node connectorGeometryNode = itAnnotations->child(oms::ssd::ssd_connector_geometry);
if (connectorGeometryNode)
{
oms::ssd::ConnectorGeometry geometry(0.0, 0.0);
geometry.setPosition(connectorGeometryNode.attribute("x").as_double(), connectorGeometryNode.attribute("y").as_double());
if (std::string(itAnnotations->attribute("type").as_string()) == "tlm")
{
#if !defined(NO_TLM)
oms::TLMBusConnector* tlmBusConnector = getTLMBusConnector(busname);
if (tlmBusConnector)
tlmBusConnector->setGeometry(&geometry);
#else
return LOG_NO_TLM();
#endif
}
else
{
oms::BusConnector* busConnector = getBusConnector(busname);
if (busConnector)
busConnector->setGeometry(&geometry);
}
}
}
else if (std::string(name) == oms::bus_connections)
{
//Load bus connections
for(pugi::xml_node_iterator itConnection = itAnnotations->begin(); itConnection != itAnnotations->end(); ++itConnection)
{
//Load bus connection
oms::ComRef element1(itConnection->attribute("startElement").as_string());
oms::ComRef connector1(itConnection->attribute("startConnector").as_string());
oms::ComRef element2(itConnection->attribute("endElement").as_string());
oms::ComRef connector2(itConnection->attribute("endConnector").as_string());
oms_status_enu_t status;
// Load TLM bus connection
if (itConnection->attribute("delay") || itConnection->attribute("alpha")
|| itConnection->attribute("linearimpedance") || itConnection->attribute("angularimpedance"))
{
#if !defined(NO_TLM)
double delay = itConnection->attribute("delay").as_double();
double alpha = itConnection->attribute("alpha").as_double();
double linearimpedance = itConnection->attribute("linearimpedance").as_double();
double angularimpedance = itConnection->attribute("angularimpedance").as_double();
status = addTLMConnection(element1+connector1, element2+connector2, delay, alpha, linearimpedance, angularimpedance);
#else
return LOG_NO_TLM();
#endif
}
else // Load bus connection
{
status = addConnection(element1+connector1, element2+connector2);
}
// Load the bus connection geometry
if (oms_status_ok != status)
return logError("Failed to import " + std::string(oms::bus_connection));
else
{
// Load connection geometry
if (oms_status_ok != importFromSSD_ConnectionGeometry(*itConnection, element1+connector1, element2+connector2))
return logError("Failed to import " + std::string(oms::ssd::ssd_connection_geometry));
}
}
}
}
}
}
else
return logError_WrongSchema(name);
}
return oms_status_ok;
}
oms_status_enu_t oms::System::addConnector(const oms::ComRef& cref, oms_causality_enu_t causality, oms_signal_type_enu_t type)
{
oms::ComRef tail(cref);
oms::ComRef head = tail.pop_front();
auto subsystem = subsystems.find(head);
if (subsystem != subsystems.end())
return subsystem->second->addConnector(tail, causality, type);
if (this->type == oms_system_tlm)
return logError_NotForTlmSystem;
if (!cref.isValidIdent())
return logError_InvalidIdent(cref);
if (!validCref(cref))
return logError_AlreadyInScope(getFullCref() + cref);
connectors.back() = new oms::Connector(causality, type, cref);
exportConnectors[getFullCref() + connectors.back()->getName()] = true;
connectors.push_back(NULL);
element.setConnectors(&connectors[0]);
return oms_status_ok;
}
oms::Connector* oms::System::getConnector(const oms::ComRef& cref)
{
oms::ComRef tail(cref);
oms::ComRef head = tail.pop_front();
auto subsystem = subsystems.find(head);
if (subsystem != subsystems.end())
return subsystem->second->getConnector(tail);
auto component = components.find(head);
if (component != components.end())
return component->second->getConnector(tail);
for (auto& connector : connectors)
if (connector && connector->getName() == cref)
return connector;
return NULL;
}
oms::BusConnector* oms::System::getBusConnector(const oms::ComRef& cref)
{
oms::ComRef tail(cref);
oms::ComRef head = tail.pop_front();
auto subsystem = subsystems.find(head);
if (subsystem != subsystems.end())
return subsystem->second->getBusConnector(tail);
if (!cref.isValidIdent())
{
logError_InvalidIdent(cref);
return NULL;
}
for(auto& busconnector : busconnectors)
if (busconnector && busconnector->getName() == cref)
return busconnector;
return NULL;
}
#if !defined(NO_TLM)
oms::TLMBusConnector* oms::System::getTLMBusConnector(const oms::ComRef& cref)
{
oms::ComRef tail(cref);
oms::ComRef head = tail.pop_front();
auto subsystem = subsystems.find(head);
if (subsystem != subsystems.end())
return subsystem->second->getTLMBusConnector(tail);
auto component = components.find(head);
if (component != components.end())
return component->second->getTLMBusConnector(tail);
if (!cref.isValidIdent())
{
logError_InvalidIdent(cref);
return NULL;
}
for(auto& tlmbusconnector : tlmbusconnectors)
if (tlmbusconnector && tlmbusconnector->getName() == cref)
return tlmbusconnector;
return NULL;
}
#endif
oms::Connection** oms::System::getConnections(const oms::ComRef& cref)
{
if (!cref.isEmpty())
{
oms::ComRef tail(cref);
oms::ComRef head = tail.pop_front();
auto subsystem = subsystems.find(head);
if (subsystem != subsystems.end())
return subsystem->second->getConnections(tail);
}
return &connections[0];
}
oms_status_enu_t oms::System::addConnection(const oms::ComRef& crefA, const oms::ComRef& crefB)
{
oms::ComRef tailA(crefA);
oms::ComRef headA = tailA.pop_front();
oms::ComRef tailB(crefB);
oms::ComRef headB = tailB.pop_front();
// if both A and B references the same subsystem, recurse into that subsystem
if (headA == headB)
{
auto subsystem = subsystems.find(headA);
if (subsystem != subsystems.end())
return subsystem->second->addConnection(tailA,tailB);
}
#if !defined(NO_TLM)
// check if it is an internal connection between TLM buses
TLMBusConnector* tlmA = getTLMBusConnector(crefA);
TLMBusConnector* tlmB = getTLMBusConnector(crefB);
if(tlmA && tlmB)
{
if (getConnection(crefA, crefB))
return logError_ConnectionExistsAlready(crefA, crefB, this);
// create connection between TLM buses (NOT a TLM connection)
connections.back() = new oms::Connection(crefA, crefB, oms_connection_bus);
connections.push_back(NULL);
return oms_status_ok;
}
#endif
// first check if it is a bus connection
BusConnector* busA = NULL;
auto subsystemA = subsystems.find(headA);
if (subsystemA != subsystems.end())
busA = subsystemA->second->getBusConnector(tailA);
BusConnector* busB = NULL;
auto subsystemB = subsystems.find(headB);
if (subsystemB != subsystems.end())
busB = subsystemB->second->getBusConnector(tailB);
if (busA && busB)
{
if (getConnection(crefA, crefB))
return logError_ConnectionExistsAlready(crefA, crefB, this);
// create bus connection
connections.back() = new oms::Connection(crefA, crefB, oms_connection_bus);
connections.push_back(NULL);
return oms_status_ok;
}
// not a bus connection, attempt normal connection
oms::Connector* conA = this->getConnector(crefA);
if (!conA) return logError_ConnectorNotInSystem(crefA, this);
oms::Connector* conB = this->getConnector(crefB);
if (!conB) return logError_ConnectorNotInSystem(crefB, this);
if (getConnection(crefA, crefB))
return logError_ConnectionExistsAlready(crefA, crefB, this);
if (conA->getType() != conB->getType())
return logError("Type mismatch in connection: " + std::string(crefA) + " -> " + std::string(crefB));
for (auto& connection : connections)
{
if (connection && conA->getCausality() == oms_causality_input && connection->containsSignal(crefA))
return logError("Connector is already connected: " + std::string(crefA));
if (connection && conB->getCausality() == oms_causality_input && connection->containsSignal(crefB))
return logError("Connector is already connected: " + std::string(crefB));
}
// system inputs/outputs
if (crefA.isValidIdent() && crefB.isValidIdent())
return logError("Connections between inputs and outputs of the same system are forbidden: " + std::string(crefA) + " -> " + std::string(crefB));
else if (crefA.isValidIdent() || crefB.isValidIdent())
{
// flipped causality check
if (!((conA->getCausality() == oms_causality_output && conB->getCausality() == oms_causality_output) ||
(conB->getCausality() == oms_causality_input && conA->getCausality() == oms_causality_input)))
return logError("Causality mismatch in connection: " + std::string(crefA) + " -> " + std::string(crefB));
}
else
{
if (!((conA->getCausality() == oms_causality_output && conB->getCausality() == oms_causality_input) ||
(conB->getCausality() == oms_causality_output && conA->getCausality() == oms_causality_input)))
return logError("Causality mismatch in connection: " + std::string(crefA) + " -> " + std::string(crefB));
}
if ((crefA.isValidIdent() && conA->getCausality() == oms_causality_input) ||
(!crefA.isValidIdent() && conA->getCausality() == oms_causality_output))
connections.back() = new oms::Connection(crefA, crefB);
else
connections.back() = new oms::Connection(crefB, crefA);
connections.push_back(NULL);
return oms_status_ok;
}
oms_status_enu_t oms::System::deleteConnection(const oms::ComRef& crefA, const oms::ComRef& crefB)
{
for (auto& connection : connections)
{
if (connection && connection->isEqual(crefA, crefB))
{
delete connection;
connections.pop_back(); // last element is always NULL
connection = connections.back();
connections.back() = NULL;
return oms_status_ok;
}
}
oms::ComRef tailA(crefA);
oms::ComRef headA = tailA.pop_front();
oms::ComRef tailB(crefB);
oms::ComRef headB = tailB.pop_front();
//If both A and B references the same subsystem, recurse into that subsystem
if (headA == headB)
{
auto subsystem = subsystems.find(headA);
if (subsystem != subsystems.end())
return subsystem->second->deleteConnection(tailA, tailB);
}
return logError_ConnectionNotInSystem(crefA, crefB, this);
}
oms_status_enu_t oms::System::addTLMConnection(const oms::ComRef& crefA, const oms::ComRef& crefB, double delay, double alpha, double linearimpedance, double angularimpedance)
{
#if !defined(NO_TLM)
if (type != oms_system_tlm)
return logError_OnlyForTlmSystem;
oms::ComRef tailA(crefA);
oms::ComRef headA = tailA.pop_front();
oms::ComRef tailB(crefB);
oms::ComRef headB = tailB.pop_front();
//If both A and B references the same subsystem, recurse into that subsystem
if (headA == headB)
{
auto subsystem = subsystems.find(headA);
if (subsystem != subsystems.end())
return subsystem->second->addTLMConnection(tailA,tailB,delay,alpha,linearimpedance,angularimpedance);
}
TLMBusConnector *busA=0, *busB=0;
auto subsystemA = getSubSystem(headA);
if(subsystemA)
busA = subsystemA->getTLMBusConnector(tailA);
if(!busA) {
auto componentA = getComponent(headA);
if(componentA)
busA = componentA->getTLMBusConnector(tailA);
}
auto subsystemB = getSubSystem(headB);
if(subsystemB)
busB = subsystemB->getTLMBusConnector(tailB);
if(!busB) {
auto componentB = getComponent(headB);
if(componentB)
busB = componentB->getTLMBusConnector(tailB);
}
if (busA && busB)
{
//Create bus connection
connections.back() = new oms::Connection(crefA, crefB, oms_connection_tlm);
connections.back()->setTLMParameters(delay, alpha, linearimpedance, angularimpedance);
connections.push_back(NULL);
busA->setDelay(delay);
busB->setDelay(delay);
return oms_status_ok;
}
return logError("TLM bus connector(s) not found in system");
#else
return LOG_NO_TLM();