+ //================================================================================
+ /*!
+ * \brief Get MeshGems version major/minor/patch from the environment variables
+ * \param [out] error - return error description
+ * \return int - the version
+ */
+ //================================================================================
+ int GetMGVersionFromEnv(const char* env_variable)
+ {
+ MESSAGE("Entering GetMGVersionFromEnv and calling " << env_variable);
+ int version = -1;
+ if (getenv(env_variable) == nullptr )
+ {
+ MESSAGE("Could not find " << env_variable << " from environment");
+ }
+ else
+ {
+ version = std::stoi(std::string(getenv(env_variable)));
+ }
+ return version;
+ }
+ //================================================================================
+ /*!
+ * \brief Get MeshGems version major/minor/patch from the keygen library and meshgems built-in functions
+ * \param [out] error - return error description
+ * \return int - the function implemented in the library
+ */
+ //================================================================================
+ int GetMGVersionFromFunction(const char* function_name)
+ {
+ MESSAGE("Entering GetMGVersionFromFunction and calling " << function_name);
+ int version = -1;
+ typedef int (*GetKeyFun)();
+ GetKeyFun keyFun = (GetKeyFun) GetProc( theLibraryHandle, function_name);
+ if ( !keyFun )
+ {
+ MESSAGE("Could not find " << function_name << " from library");
+ }
+ else
+ {
+ version = keyFun();
+ }
+ return version;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Get MeshGems version from the keygen library or meshgems built-in functions
+ * \param [out] error - return error description
+ * \return int - the version
+ */
+ //================================================================================
+ int GetMGVersionHex(std::string& error)
+ {
+ // load mgkeygen library
+ int v_min = -1;
+ LibraryFile libraryFile;
+ if ( !loadLibrary( error, libraryFile ))
+ return v_min;
+ MESSAGE("Extracting MeshGems version");
+
+ // get minor version
+ v_min = GetMGVersionFromFunction("meshgems_core_get_version_minor");
+ if (v_min == -1)
+ v_min = GetMGVersionFromFunction("GetVersionMinor");
+ if (v_min == -1)
+ v_min = GetMGVersionFromEnv("MESHGEMS_VERSION_MINOR");
+ if (v_min == -1)
+ error = "could not retrieve minor version (located in '" + libraryFile._name + "')";
+ MESSAGE("MeshGems minor version = " << v_min);
+
+ // get major version
+ int v_maj = GetMGVersionFromFunction("meshgems_core_get_version_major");
+ if (v_maj == -1)
+ v_maj = GetMGVersionFromFunction("GetVersionMajor");
+ if (v_maj == -1)
+ v_maj = GetMGVersionFromEnv("MESHGEMS_VERSION_MAJOR");
+ if (v_maj == -1)
+ error = "could not retrieve major version (located in '" + libraryFile._name + "')";
+ MESSAGE("MeshGems major version = " << v_maj);
+
+ // get patch version
+ int v_patch = GetMGVersionFromFunction("meshgems_core_get_version_patch");
+ if (v_patch == -1)
+ v_patch = GetMGVersionFromFunction("GetVersionPatch");
+ if (v_patch == -1)
+ v_patch = GetMGVersionFromEnv("MESHGEMS_VERSION_PATCH");
+ if (v_patch == -1)
+ error = "could not retrieve patch version (located in '" + libraryFile._name + "')";
+ MESSAGE("MeshGems patch version = " << v_patch);
+
+ int v_hex = (v_maj << 16 | v_min << 8 | v_patch);
+ MESSAGE("v_hex: " << v_hex);
+
+ return v_hex;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Guess if the Spatial license is needed (if MeshGems is > 2.15.0)
+ * \param [out] error - return error description
+ * \return bool - true if MeshGems is > 2.15.0
+ */
+ //================================================================================
+ bool NeedsMGSpatialEnvLicense(std::string& error)
+ {
+ // if MeshGems version is > 2.15.0, need to set SPATIAL_LICENSE
+ int v_hex = GetMGVersionHex(error);
+ bool ok = (v_hex > MESHGEMS_215);
+ if (ok)
+ MESSAGE("MeshGems version is > 2.15.0, need to set SPATIAL_LICENSE");
+ return ok;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Set the SPATIAL_LICENSE environment variable
+ * \param [out] error - return error description
+ * \return bool - true in case of success
+ */
+ //================================================================================
+ bool SetMGSpatialEnvLicense(std::string& error)
+ {
+ int ok;
+ std::string key = GetKey(error);
+#ifndef WIN32
+ ok = setenv(SPATIAL_LICENSE, key.c_str(), 0); // 0 means do not overwrite
+#else
+ ok = Kernel_Utils::setenv(SPATIAL_LICENSE, key.c_str(), 0 );
+#endif
+ MESSAGE("Set SPATIAL_LICENSE");
+ return (ok==0);
+ }
+
+ //================================================================================
+ /*!
+ * \brief Get the license key from libMeshGemsKeyGenerator.so or $SPATIAL_LICENSE
+ * Called by plugins calling MG products as executables.
+ * If MESHGEMS_OLD_STYLE is set, return "0", to use old DLIM8 server license
+ * instead of the key.
+ * \param [in] gmfFile - path to an input mesh file
+ * \param [in] nb* - nb of entities in the input mesh
+ * \param [out] error - return error description
+ * \return std::string - the key
+ */
+ //================================================================================
+ std::string GetKey(const std::string& gmfFile,
+ int nbVertex,
+ int nbEdge,
+ int nbFace,
+ int nbVol,
+ std::string& error)
+ {
+ // default key if MESHGEMS_OLD_STYLE or SPATIAL_LICENSE is set
+ std::string key("0");
+ const char *meshGemsOldStyleEnvVar( getenv( MESHGEMS_OLD_STYLE ) );
+ if ( !meshGemsOldStyleEnvVar || strlen(meshGemsOldStyleEnvVar) == 0 )
+ {
+ const char *spatialLicenseEnvVar( getenv( SPATIAL_LICENSE ) );
+ if ( !spatialLicenseEnvVar || strlen(spatialLicenseEnvVar) == 0 )
+ {
+ if (NeedsMGSpatialEnvLicense(error))
+ {
+ // if MG version > 2.15, set environment license, don't return it as a key
+ // otherwise it will be printed in the command line
+ MESSAGE("SPATIAL_LICENSE not in env => we add it from MGKeygen .so");
+ SetMGSpatialEnvLicense(error);
+ }
+ else
+ {
+ // generate the key from the mesh info (MG 2.13 and 2.14)
+ MESSAGE("MG < 2.15 => get the key from MGKeygen .so and this mesh info");
+ key = GetKey_After(gmfFile,nbVertex,nbEdge,nbFace,nbVol,error);
+ }
+ }
+ else
+ MESSAGE("SPATIAL_LICENSE already in env => we use it");
+ }
+ if (! error.empty())
+ std::cerr << error;
+ return key;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Get the license key from libMeshGemsKeyGenerator.so or $SPATIAL_LICENSE
+ * Called for MG 2.15 by CADSurf and MG plugins calling MG products as library,
+ * i.e. compiled as library with -DSALOME_USE_MG_LIBS=ON
+ * \param [out] error - return error description
+ * \return std::string - the key
+ */
+ //================================================================================
+ std::string GetKey(std::string& error)
+ {
+ // default key if not found in .so or in SPATIAL_LICENSE
+ std::string key("0");
+ const char *meshGemsOldStyleEnvVar( getenv( MESHGEMS_OLD_STYLE ) );
+ if ( !meshGemsOldStyleEnvVar || strlen(meshGemsOldStyleEnvVar) == 0 ){
+ const char *spatialLicenseEnvVar( getenv( SPATIAL_LICENSE ) );
+ if ( !spatialLicenseEnvVar || strlen(spatialLicenseEnvVar) == 0 )
+ {
+ MESSAGE("SPATIAL_LICENSE not in env => we add it from MGKeygen .so");
+ // use new style, i.e. key in a library
+ key = GetKey_After(error);
+ }
+ else
+ {
+ MESSAGE("SPATIAL_LICENSE already in env => we use it");
+ key = std::string(spatialLicenseEnvVar);
+ }
+ }
+ if (! error.empty())
+ std::cerr << error;
+ return key;
+ }
+