runtime dynamic link library and geometryPhasicFlow modification

src/phasicFlow/CMakeLists.txt

@@ -38,6 +38,7 @@ Timer/Timers.cpp
 repository/Time/Time.cpp
 repository/Time/timeControl.cpp
 repository/systemControl/systemControl.cpp
+repository/systemControl/dynamicLinkLibs.cpp
 repository/repository/repository.cpp
 repository/IOobject/objectFile.cpp
 repository/IOobject/IOobject.cpp

src/phasicFlow/repository/systemControl/dynamicLinkLibs.cpp

@@ -0,0 +1,82 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#include <dlfcn.h>
+
+#include "dynamicLinkLibs.hpp"
+#include "List.hpp"
+#include "streams.hpp"
+
+
+pFlow::dynamicLinkLibs::dynamicLinkLibs(
+	const dictionary &dict, 
+	word libList)
+{
+
+	wordList libNames;
+	if(dict.containsDataEntry(libList))
+	{
+		libNames = dict.getVal<wordList>(libList);	
+	}
+	
+
+	REPORT(1)<< "libs are "<< greenText(libNames)<<endREPORT;
+
+	for(auto libName:libNames)
+	{
+		auto* hndl = open(libName);
+
+		if(hndl)
+		{
+			libs_.insertIf(libName, hndl);
+		}
+		else
+		{
+			fatalExit;
+		}
+	}
+}
+
+
+pFlow::dynamicLinkLibs::~dynamicLinkLibs()
+{
+	for(auto &lib:libs_)
+	{
+		if( lib.second && dlclose(lib.second) != 0)
+		{
+			warningInFunction<< "could not close lib "<<lib.first<<endl;
+		}
+	}
+}
+
+void* pFlow::dynamicLinkLibs::open(word libName)
+{
+	REPORT(2)<<"Loading "<< greenText(libName)<<endREPORT;
+
+	void* handle = dlopen(libName.c_str(), RTLD_LAZY|RTLD_GLOBAL);
+	
+	if(!handle)
+	{
+		warningInFunction<< "could not open lib "<< libName<<endl;
+		return nullptr;
+	}
+
+	return handle;
+}

src/phasicFlow/repository/systemControl/dynamicLinkLibs.hpp

@@ -0,0 +1,54 @@
+/*------------------------------- phasicFlow ---------------------------------
+      O        C enter of
+     O O       E ngineering and
+    O   O      M ultiscale modeling of
+   OOOOOOO     F luid flow       
+------------------------------------------------------------------------------
+  Copyright (C): www.cemf.ir
+  email: hamid.r.norouzi AT gmail.com
+------------------------------------------------------------------------------  
+Licence:
+  This file is part of phasicFlow code. It is a free software for simulating 
+  granular and multiphase flows. You can redistribute it and/or modify it under
+  the terms of GNU General Public License v3 or any other later versions. 
+ 
+  phasicFlow is distributed to help others in their research in the field of 
+  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+-----------------------------------------------------------------------------*/
+
+#ifndef __dynamicLinkLibs_hpp__
+#define __dynamicLinkLibs_hpp__
+
+
+#include "hashMap.hpp"
+#include "dictionary.hpp"
+
+namespace pFlow
+{
+
+
+class dynamicLinkLibs
+{
+protected:
+
+	wordHashMap<void*> libs_;
+
+	void* open(word libName);
+
+public:
+
+	dynamicLinkLibs(const dictionary &dict, word libList = "libs");
+
+	~dynamicLinkLibs();
+	
+
+
+};
+
+
+} // pFlow
+
+
+#endif // __dynamicLinkLibs_hpp__

src/phasicFlow/repository/systemControl/systemControl.cpp

@@ -135,6 +135,7 @@ pFlow::systemControl::systemControl
 			true
 		)
 	),
+	libs_(settingsDict_),
 	outFilePrecision_(
 		settingsDict_.getValOrSet("outFilePrecision", static_cast<size_t>(6))
 		),
@@ -205,6 +206,7 @@ pFlow::systemControl::systemControl(
 			true
 		)
 	),
+	libs_(settingsDict_),
 	Time_
 	(
 		this,

src/phasicFlow/repository/systemControl/systemControl.hpp

@@ -33,6 +33,7 @@ Licence:
 #include "dictionary.hpp"
 #include "box.hpp"
 #include "Timers.hpp"
+#include "dynamicLinkLibs.hpp"
 
 namespace pFlow
 {
@@ -49,6 +50,8 @@ protected:
 	// - path to top-level folder 
 	const fileSystem 	topLevelFolder_;
 
+
+
 	// - settings folder repository
 	repository 			settings_;
 
@@ -58,6 +61,9 @@ protected:
 	// - settingsDict fileDictionary
 	dictionary& 		settingsDict_;
 
+	// - extra libs to be loaded
+	dynamicLinkLibs 	libs_;
+	
 	// - precision for writing to file 
 	size_t 			outFilePrecision_ = 6;