| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef _IGNITE_COMMON_PLATFORM_UTILS |
| #define _IGNITE_COMMON_PLATFORM_UTILS |
| |
| #include <iostream> |
| #include <ignite/common/common.h> |
| |
| namespace ignite |
| { |
| namespace common |
| { |
| typedef std::basic_ostream<char, std::char_traits<char> > StdCharOutStream; |
| |
| /** |
| * Convert struct tm to time_t (UTC). |
| * |
| * @param time Standard C type struct tm value. |
| * @return Standard C type time_t value. |
| */ |
| IGNITE_IMPORT_EXPORT time_t IgniteTimeGm(const tm& time); |
| |
| /** |
| * Convert struct tm to time_t (Local time). |
| * |
| * @param time Standard C type struct tm value. |
| * @return Standard C type time_t value. |
| */ |
| IGNITE_IMPORT_EXPORT time_t IgniteTimeLocal(const tm& time); |
| |
| /** |
| * Convert time_t to struct tm (UTC). |
| * |
| * @param in Standard C type time_t value. |
| * @param out Standard C type struct tm value. |
| * @return True on success. |
| */ |
| IGNITE_IMPORT_EXPORT bool IgniteGmTime(time_t in, tm& out); |
| |
| /** |
| * Convert time_t to struct tm (Local time). |
| * |
| * @param in Standard C type time_t value. |
| * @param out Standard C type struct tm value. |
| * @return True on success. |
| */ |
| IGNITE_IMPORT_EXPORT bool IgniteLocalTime(time_t in, tm& out); |
| |
| /** |
| * Read system environment variable taking thread-safety in count. |
| * |
| * @param name Environment variable name. |
| * @return Environment variable value if found and empty string otherwise. |
| */ |
| IGNITE_IMPORT_EXPORT std::string GetEnv(const std::string& name); |
| |
| /** |
| * Read system environment variable taking thread-safety in count. |
| * |
| * @param name Environment variable name. |
| * @param dflt Default value to return on fail. |
| * @return Environment variable value if found and @c dflt otherwise. |
| */ |
| IGNITE_IMPORT_EXPORT std::string GetEnv(const std::string& name, const std::string& dflt); |
| |
| /** |
| * Ensure that file on the given path exists in the system. |
| * |
| * @param path Path. |
| * @return True if file exists, false otherwise. |
| */ |
| IGNITE_IMPORT_EXPORT bool FileExists(const std::string& path); |
| |
| /** |
| * Check if the provided path is the valid directory. |
| * @return @c true if the provided path is the valid directory. |
| */ |
| IGNITE_IMPORT_EXPORT bool IsValidDirectory(const std::string& path); |
| |
| /** |
| * Deletes provided filesystem element if exists. |
| * @return @c true if the provided path exists. |
| */ |
| IGNITE_IMPORT_EXPORT bool DeletePath(const std::string& path); |
| |
| /** |
| * Write file separator to a stream. |
| * @param ostr Stream. |
| * @return The same stream for chaining. |
| */ |
| IGNITE_IMPORT_EXPORT StdCharOutStream& Fs(StdCharOutStream& ostr); |
| |
| /** |
| * Write dynamic library expansion to a stream. |
| * @param ostr Stream. |
| * @return The same stream for chaining. |
| */ |
| IGNITE_IMPORT_EXPORT StdCharOutStream& Dle(StdCharOutStream& ostr); |
| |
| /** |
| * Get random seed. |
| * |
| * @return Random seed. |
| */ |
| IGNITE_IMPORT_EXPORT unsigned GetRandSeed(); |
| |
| /** |
| * Try extract from system error stack, and return platform-specific error. |
| * |
| * @return Error in human-readable format. |
| */ |
| IGNITE_IMPORT_EXPORT std::string GetLastSystemError(); |
| } |
| } |
| |
| #endif //_IGNITE_COMMON_PLATFORM_UTILS |