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// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <inspector/TInspectorAPI_Communicator.hxx>
#include <cstdio>
#include <map>
#include <iostream>
#ifdef _WIN32
#include <windows.h>
#else
#include <dlfcn.h>
#endif
#define LIB_HANDLE HINSTANCE
// =======================================================================
// function : LoadPluginLibrary
// purpose :
// =======================================================================
TInspectorAPI_Communicator* TInspectorAPI_Communicator::LoadPluginLibrary(
const TCollection_AsciiString& thePluginName)
{
if (thePluginName.IsEmpty())
std::cout << thePluginName.ToCString() << "%s plugin could not be loaded." << std::endl;
TCollection_AsciiString aPluginLibraryName = thePluginName;
#ifdef _WIN32
aPluginLibraryName += ".dll";
#elif __APPLE__
aPluginLibraryName.Prepend("lib");
aPluginLibraryName += ".dylib";
#else
aPluginLibraryName.Prepend("lib");
aPluginLibraryName += ".so";
#endif
COMMUNICATOR_INSTANCE crtInst = 0;
#ifdef _WIN32
HINSTANCE modLib = ::LoadLibraryA((LPCSTR)aPluginLibraryName.ToCString());
#else
void* modLib = dlopen(aPluginLibraryName.ToCString(), RTLD_LAZY | RTLD_GLOBAL);
#endif
if (!modLib)
std::cout << "Failed to load plugin." << aPluginLibraryName.ToCString() << std::endl;
else
{
#ifdef _WIN32
crtInst = (COMMUNICATOR_INSTANCE)::GetProcAddress(modLib, CREATE_COMMUNICATOR_FUNCTION_NAME);
#else
crtInst = (COMMUNICATOR_INSTANCE)dlsym(modLib, CREATE_COMMUNICATOR_FUNCTION_NAME);
#endif
if (!crtInst)
std::cout << "Failed to find " << CREATE_COMMUNICATOR_FUNCTION_NAME << " function."
<< std::endl;
}
TInspectorAPI_Communicator* aModule = crtInst ? crtInst() : 0;
return aModule;
}
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