export partial snapshot

src/OMSimulatorLib/Model.cpp

@@ -353,13 +353,6 @@ oms_status_enu_t oms::Model::list(const oms::ComRef& cref, char** contents)
 
 oms_status_enu_t oms::Model::exportSnapshot(const oms::ComRef& cref, char** contents)
 {
-  // only top level model is allowed
-  if (!cref.isEmpty())
-  {
-    //return logError("only top level model is allowed, unknown model: " + std::string(cref));
-    return logError("\"" + std::string(getCref()+std::string(cref)) + "\" is not a top level model");
-  }
-
   Snapshot snapshot;
 
   pugi::xml_node oms_ssd = snapshot.newResourceNode("SystemStructure.ssd");
@@ -378,9 +371,13 @@ oms_status_enu_t oms::Model::exportSnapshot(const oms::ComRef& cref, char** cont
     // TODO ssm file
   }
 
-  snapshot.writeDocument(contents);
+  if (cref.isEmpty())
+    return snapshot.writeDocument(contents);
 
-  return oms_status_ok;
+  // query for partial snapshot
+  Snapshot partialSnapshot(true);
+  snapshot.exportPartialSnapshot(cref, partialSnapshot);
+  return partialSnapshot.writeDocument(contents);
 }
 
 oms_status_enu_t oms::Model::exportSSVTemplate(const oms::ComRef& cref, const std::string& filename)

src/OMSimulatorLib/OMSimulator.cpp

@@ -219,10 +219,16 @@ oms_status_enu_t oms_exportSnapshot(const char* cref_, char** contents)
 {
   oms::ComRef tail(cref_);
   oms::ComRef front = tail.pop_front();
-  oms::Model* model = oms::Scope::GetInstance().getModel(front);
+
+  oms::ComRef modelCref(front);
+  modelCref.pop_suffix();
+
+  oms::Model* model = oms::Scope::GetInstance().getModel(modelCref);
   if (!model)
     return logError_ModelNotInScope(front);
 
+  if (tail.isEmpty() && front.hasSuffix())
+    return model->exportSnapshot(oms::ComRef(":" + front.suffix()), contents);
   return model->exportSnapshot(tail, contents);
 }
 

src/OMSimulatorLib/Snapshot.cpp

@@ -35,10 +35,12 @@
 
 #include <iostream>
 
-oms::Snapshot::Snapshot()
+oms::Snapshot::Snapshot(bool partial)
 {
   // set the document with the root node <oms:snapshot>
   doc.append_child(oms::ssp::Version1_0::snap_shot);
+  pugi::xml_node oms_snapshot = doc.document_element();
+  oms_snapshot.append_attribute("partial") = partial ? "true" : "false";
 }
 
 oms::Snapshot::~Snapshot()
@@ -102,6 +104,17 @@ oms_status_enu_t oms::Snapshot::importResourceNode(const filesystem::path& filen
   return oms_status_ok;
 }
 
+oms_status_enu_t oms::Snapshot::importPartialResourceNode(const filesystem::path& filename, const filesystem::path& nodename, const pugi::xml_node& node)
+{
+  pugi::xml_node oms_snapshot = doc.document_element();
+  pugi::xml_node oms_file = oms_snapshot.append_child(oms::ssp::Version1_0::oms_file);
+  oms_file.append_attribute("name") = filename.generic_string().c_str();
+  oms_file.append_attribute("node") = nodename.generic_string().c_str();
+  oms_file.append_copy(node);
+
+  return oms_status_ok;
+}
+
 void oms::Snapshot::getResources(std::vector<std::string>& resources) const
 {
   pugi::xml_node oms_snapshot = doc.document_element();
@@ -173,6 +186,67 @@ pugi::xml_node oms::Snapshot::getTemplateResourceNodeSSV(const filesystem::path&
   return node_parameters;
 }
 
+oms_status_enu_t oms::Snapshot::exportPartialSnapshot(const ComRef& cref, Snapshot& partialSnapshot)
+{
+  ComRef subCref(cref);
+  std::string suffix = subCref.pop_suffix();
+
+  // copy only single file
+  if (!suffix.empty() && subCref.isEmpty())
+  {
+    pugi::xml_node node = getResourceNode(filesystem::path(suffix));
+    if (!node)
+      return logError("Failed to find node \"" + suffix + "\"");
+
+    partialSnapshot.importResourceNode(filesystem::path(suffix), node);
+  }
+
+  // check cref if to filter component: subCref
+  if (!subCref.isEmpty() && !suffix.empty())
+  {
+    ComRef tail(subCref);
+    ComRef front = tail.pop_front();
+
+    // get SystemStructure.ssd
+    pugi::xml_node ssdNode = getResourceNode("SystemStructure.ssd");
+    pugi::xml_node systemNode = ssdNode.first_child();
+
+    std::string nodeName = (ComRef(ssdNode.attribute("name").as_string()) + subCref);
+
+    if (tail.isEmpty())
+    {
+      // return system
+      if (systemNode.attribute("name").as_string() == std::string(front))
+      {
+        partialSnapshot.importPartialResourceNode("SystemStructure.ssd", nodeName, systemNode);
+      }
+    }
+    else
+    {
+      // iterate System
+      for (pugi::xml_node_iterator it = systemNode.begin(); it != systemNode.end(); ++it)
+      {
+        if (std::string(it->name()) == oms::ssp::Draft20180219::ssd::elements)
+        {
+          for (pugi::xml_node_iterator itElements = (*it).begin(); itElements != (*it).end(); ++itElements)
+          {
+            std::string name = itElements->name();
+            if (name == oms::ssp::Draft20180219::ssd::system || name == oms::ssp::Draft20180219::ssd::component)
+            {
+              if(itElements->attribute("name").as_string() == std::string(tail))
+              {
+                partialSnapshot.importPartialResourceNode("SystemStructure.ssd", nodeName, *itElements);
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+
+  return oms_status_ok;
+}
+
 oms_status_enu_t oms::Snapshot::writeDocument(char** contents)
 {
   class : public pugi::xml_writer

src/OMSimulatorLib/Snapshot.h

@@ -32,9 +32,10 @@
 #ifndef _OMS_SNAPSHOT_H_
 #define _OMS_SNAPSHOT_H_
 
+#include "ComRef.h"
 #include "OMSFileSystem.h"
-#include "Types.h"
 #include "ssd/Tags.h"
+#include "Types.h"
 
 #include <pugixml.hpp>
 #include <string>
@@ -45,7 +46,7 @@ namespace oms
   class Snapshot
   {
   public:
-    Snapshot();
+    Snapshot(bool partial=false);
     ~Snapshot();
 
     oms_status_enu_t import(const char* snapshot);
@@ -61,12 +62,16 @@ namespace oms
 
     pugi::xml_node getTemplateResourceNodeSSD(const filesystem::path& filename);
     pugi::xml_node getTemplateResourceNodeSSV(const filesystem::path& filename);
+    oms_status_enu_t exportPartialSnapshot(const ComRef& cref, Snapshot& partialSnapshot);
 
     void debugPrintNode(const filesystem::path& filename) const;
     void debugPrintAll() const;
 
     oms_status_enu_t writeDocument(char** contents);
 
+  private:
+    oms_status_enu_t importPartialResourceNode(const filesystem::path& filename, const filesystem::path& nodename, const pugi::xml_node& node);
+
   private:
     // stop the compiler generating methods copying the object
     Snapshot(Snapshot const& copy);            ///< not implemented

testsuite/OMSimulator/Makefile

@@ -20,6 +20,7 @@ import_parameter_mapping_from_ssm.lua \
 import_parameter_mapping_inline.lua \
 importStartValues.lua \
 multipleConnections.lua \
+partialSnapshot.lua \
 PI_Controller.lua \
 QuarterCarModel.DisplacementDisplacement.lua \
 rename.lua \

testsuite/OMSimulator/importStartValues.lua

@@ -33,7 +33,7 @@ oms_delete("importStartValues")
 -- warning: Wrong/deprecated content detected but successfully loaded. Please re-export the SSP file to avoid this message.
 -- warning: Wrong/deprecated content detected but successfully loaded. Please re-export the SSP file to avoid this message.
 -- <?xml version="1.0"?>
--- <oms:snapshot>
+-- <oms:snapshot partial="false">
 --   <oms:file name="SystemStructure.ssd">
 --     <ssd:SystemStructureDescription xmlns:ssc="http://ssp-standard.org/SSP1/SystemStructureCommon" xmlns:ssd="http://ssp-standard.org/SSP1/SystemStructureDescription" xmlns:ssv="http://ssp-standard.org/SSP1/SystemStructureParameterValues" xmlns:ssm="http://ssp-standard.org/SSP1/SystemStructureParameterMapping" xmlns:ssb="http://ssp-standard.org/SSP1/SystemStructureSignalDictionary" xmlns:oms="https://raw.githubusercontent.com/OpenModelica/OMSimulator/master/schema/oms.xsd" name="importStartValues" version="1.0">
 --       <ssd:System name="root">

testsuite/OMSimulator/import_export_snapshot.lua

@@ -1,112 +1,44 @@
 -- status: correct
--- teardown_command: rm -rf import_export_snapshot_lua/
+-- teardown_command: rm -rf import_export_snapshot_lua/ import_export_snapshot.ssp
 -- linux: yes
 -- mingw: yes
 -- win: no
 -- mac: no
 
-
 oms_setCommandLineOption("--suppressPath=true --exportParametersInline=false")
 status = oms_setTempDirectory("./import_export_snapshot_lua/")
 
 oms_newModel("import_export_snapshot")
 oms_addSystem("import_export_snapshot.root", oms_system_wc)
+
 oms_addConnector("import_export_snapshot.root.C1", oms_causality_input, oms_signal_type_real)
 oms_setReal("import_export_snapshot.root.C1", -10)
 
 oms_addSubModel("import_export_snapshot.root.add", "../resources/Modelica.Blocks.Math.Add.fmu")
-
 oms_setReal("import_export_snapshot.root.add.u1", 10)
 oms_setReal("import_export_snapshot.root.add.k1", 30)
 
--- src1 = oms_list("import_export_snapshot")
--- print(src1)
-
 oms_export("import_export_snapshot", "import_export_snapshot.ssp");
 oms_delete("import_export_snapshot")
 
 oms_importFile("import_export_snapshot.ssp");
 
-src1 = oms_list("import_export_snapshot")
-print(src1)
-
 src2 = oms_exportSnapshot("import_export_snapshot")
 print(src2)
 
 oms_importSnapshot("import_export_snapshot", src2)
 
--- check of error msg
-oms_exportSnapshot("import_export_snapshot.root.add")
-
 oms_setStopTime("import_export_snapshot", 2)
 
 oms_instantiate("import_export_snapshot")
-
 oms_initialize("import_export_snapshot")
 oms_simulate("import_export_snapshot")
 oms_terminate("import_export_snapshot")
 oms_delete("import_export_snapshot")
 
-
 -- Result:
 -- <?xml version="1.0"?>
--- <ssd:SystemStructureDescription xmlns:ssc="http://ssp-standard.org/SSP1/SystemStructureCommon" xmlns:ssd="http://ssp-standard.org/SSP1/SystemStructureDescription" xmlns:ssv="http://ssp-standard.org/SSP1/SystemStructureParameterValues" xmlns:ssm="http://ssp-standard.org/SSP1/SystemStructureParameterMapping" xmlns:ssb="http://ssp-standard.org/SSP1/SystemStructureSignalDictionary" xmlns:oms="https://raw.githubusercontent.com/OpenModelica/OMSimulator/master/schema/oms.xsd" name="import_export_snapshot" version="1.0">
--- 	<ssd:System name="root">
--- 		<ssd:Connectors>
--- 			<ssd:Connector name="C1" kind="input">
--- 				<ssc:Real />
--- 			</ssd:Connector>
--- 		</ssd:Connectors>
--- 		<ssd:ParameterBindings>
--- 			<ssd:ParameterBinding source="resources/import_export_snapshot.ssv" />
--- 		</ssd:ParameterBindings>
--- 		<ssd:Elements>
--- 			<ssd:Component name="add" type="application/x-fmu-sharedlibrary" source="resources/0001_add.fmu">
--- 				<ssd:Connectors>
--- 					<ssd:Connector name="u1" kind="input">
--- 						<ssc:Real />
--- 						<ssd:ConnectorGeometry x="0.000000" y="0.333333" />
--- 					</ssd:Connector>
--- 					<ssd:Connector name="u2" kind="input">
--- 						<ssc:Real />
--- 						<ssd:ConnectorGeometry x="0.000000" y="0.666667" />
--- 					</ssd:Connector>
--- 					<ssd:Connector name="y" kind="output">
--- 						<ssc:Real />
--- 						<ssd:ConnectorGeometry x="1.000000" y="0.500000" />
--- 					</ssd:Connector>
--- 					<ssd:Connector name="k1" kind="parameter">
--- 						<ssc:Real />
--- 					</ssd:Connector>
--- 					<ssd:Connector name="k2" kind="parameter">
--- 						<ssc:Real />
--- 					</ssd:Connector>
--- 				</ssd:Connectors>
--- 			</ssd:Component>
--- 		</ssd:Elements>
--- 		<ssd:Annotations>
--- 			<ssc:Annotation type="org.openmodelica">
--- 				<oms:Annotations>
--- 					<oms:SimulationInformation>
--- 						<oms:FixedStepMaster description="oms-ma" stepSize="0.100000" absoluteTolerance="0.000100" relativeTolerance="0.000100" />
--- 					</oms:SimulationInformation>
--- 				</oms:Annotations>
--- 			</ssc:Annotation>
--- 		</ssd:Annotations>
--- 	</ssd:System>
--- 	<ssd:DefaultExperiment startTime="0.000000" stopTime="1.000000">
--- 		<ssd:Annotations>
--- 			<ssc:Annotation type="org.openmodelica">
--- 				<oms:Annotations>
--- 					<oms:SimulationInformation resultFile="import_export_snapshot_res.mat" loggingInterval="0.000000" bufferSize="10" signalFilter=".*" />
--- 				</oms:Annotations>
--- 			</ssc:Annotation>
--- 		</ssd:Annotations>
--- 	</ssd:DefaultExperiment>
--- </ssd:SystemStructureDescription>
---
--- <?xml version="1.0"?>
--- <oms:snapshot>
+-- <oms:snapshot partial="false">
 --   <oms:file name="SystemStructure.ssd">
 --     <ssd:SystemStructureDescription xmlns:ssc="http://ssp-standard.org/SSP1/SystemStructureCommon" xmlns:ssd="http://ssp-standard.org/SSP1/SystemStructureDescription" xmlns:ssv="http://ssp-standard.org/SSP1/SystemStructureParameterValues" xmlns:ssm="http://ssp-standard.org/SSP1/SystemStructureParameterMapping" xmlns:ssb="http://ssp-standard.org/SSP1/SystemStructureSignalDictionary" xmlns:oms="https://raw.githubusercontent.com/OpenModelica/OMSimulator/master/schema/oms.xsd" name="import_export_snapshot" version="1.0">
 --       <ssd:System name="root">
@@ -180,8 +112,5 @@ oms_delete("import_export_snapshot")
 --   </oms:file>
 -- </oms:snapshot>
 --
--- error:   [exportSnapshot] "import_export_snapshot.root.add" is not a top level model
 -- info:    Result file: import_export_snapshot_res.mat (bufferSize=10)
--- info:    0 warnings
--- info:    1 errors
 -- endResult