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Improve new MG license mechanism to be binary compatible 2.14/2.15

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This commit is contained in:
Christophe Bourcier 2023-04-19 14:30:38 +02:00
parent 426c37e4f6
commit 1117f6b618
2 changed files with 86 additions and 5 deletions
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86
src/SMESHUtils/SMESH_MGLicenseKeyGen.cxx
View File

@ -430,12 +430,75 @@ namespace SMESHUtils_MGLicenseKeyGen // API implementation
}
return ok;
}
//================================================================================
/*!
* \brief Unlock a specific MeshGems product (for products called as a library)
* \param [in] product - product of MeshGems to unlock
* \param [out] error - return error description
* \return bool - is a success
*/
//================================================================================
bool UnlockProduct( const std::string& product, std::string& error )
{
MESSAGE("SMESH UnlockProduct: " << product);
LibraryFile libraryFile;
if ( !loadLibrary( error, libraryFile ))
return false;
bool ok = false;
// get the key from KeyGen
std::string key = SMESHUtils_MGLicenseKeyGen::GetKey(error);
typedef int (*SignFun)(const char* );
// specific function to unlock each product
std::string function = "meshgems_" + product + "_unlock_product";
SignFun signFun = (SignFun) GetProc( theLibraryHandle, function.c_str() );
if ( !signFun )
{
if ( ! getLastError( error ))
error = SMESH_Comment( "Can't find symbol '") << function << "' in '" << getenv( theEnvVar ) << "'";
}
else
{
SMESH_TRY;
int status = signFun( key.c_str() );
// MeshGems status: 0: OK, 1: warning, -1: error
ok = status >= 0;
SMESH_CATCH( SMESH::returnError );
if ( !error.empty() )
{
ok = false;
}
else if ( !ok )
error = "UnlockProduct() failed (located in '" + libraryFile._name + "')";
}
return ok;
}
//================================================================================
/*!
* \brief Sign a CAD (or don't do it if env MESHGEMS_OLD_STYLE is set)
* \param [in] meshgems_cad - pointer to a MG CAD object (meshgems_cad_t)
* \param [out] error - return error description
* \return bool - is a success
*/
//================================================================================
bool SignCAD( void* meshgems_cad, std::string& error )
{
const char *meshGemsOldStyleEnvVar( getenv( MESHGEMS_OLD_STYLE ) );
if ( !meshGemsOldStyleEnvVar || strlen(meshGemsOldStyleEnvVar) == 0 )
return SignCAD_After(meshgems_cad, error);
{
if (NeedsMGSpatialEnvLicense(error))
// SignCAD is only called by cadsurf. Other components call SignMesh
return UnlockProduct("cadsurf", error);
else
return SignCAD_After(meshgems_cad, error);
}
else
return true;
}
@ -479,12 +542,27 @@ namespace SMESHUtils_MGLicenseKeyGen // API implementation
return ok;
}
bool SignMesh( void* meshgems_mesh, std::string& error )
//================================================================================
/*!
* \brief Sign a mesh (or don't do it if env MESHGEMS_OLD_STYLE is set)
* \param [in] meshgems_mesh - pointer to a MG mesh (meshgems_mesh_t)
* \param [in] product - product of MeshGems to unlock
* \param [out] error - return error description
* \return bool - is a success
*/
//================================================================================
bool SignMesh( void* meshgems_mesh, const std::string& product, std::string& error )
{
const char *meshGemsOldStyleEnvVar( getenv( MESHGEMS_OLD_STYLE ) );
if ( !meshGemsOldStyleEnvVar || strlen(meshGemsOldStyleEnvVar) == 0 )
// sign the mesh (MG 2.13 and 2.14)
return SignMesh_After(meshgems_mesh, error);
{
if (NeedsMGSpatialEnvLicense(error))
// unlock product (MG 2.15)
return UnlockProduct(product, error);
else
// sign the mesh (MG 2.13 and 2.14)
return SignMesh_After(meshgems_mesh, error);
}
else
// use DLIM8 server (nothing to do here)
return true;

5
src/SMESHUtils/SMESH_MGLicenseKeyGen.hxx
View File

@ -38,8 +38,11 @@ namespace SMESHUtils_MGLicenseKeyGen
// MeshGems 2.13, 2.14 (for CADSurf)
SMESHUtils_EXPORT bool SignCAD( void* meshgems_cad, std::string& error );
// MeshGems 2.15 (for products launched as library)
SMESHUtils_EXPORT bool UnlockProduct( const std::string& product, std::string& error );
// MeshGems 2.13, 2.14 (for products launched as library)
SMESHUtils_EXPORT bool SignMesh( void* meshgems_mesh, std::string& error );
SMESHUtils_EXPORT bool SignMesh( void* meshgems_mesh, const std::string& product, std::string& error );
// MeshGems 2.13, 2.14 and 2.15 (for products launched as executables)
SMESHUtils_EXPORT std::string GetKey(const std::string& gmfFile,