| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef MOZC_SERVER_CACHE_SERVICE_MANAGER_H_ |
| #define MOZC_SERVER_CACHE_SERVICE_MANAGER_H_ |
| |
| #ifdef OS_WIN |
| #include <stdio.h> |
| #include <string> |
| |
| namespace mozc { |
| class CacheServiceManager { |
| public: |
| // return true if the cache service is installed. |
| static bool IsInstalled(); |
| |
| // return true if the cache service is not disabled, |
| // i.e. registered as "auto start" mode |
| static bool IsEnabled(); |
| |
| // return true if the cache service is running. |
| static bool IsRunning(); |
| |
| // return the name of cache service. |
| static const wchar_t *GetServiceName(); |
| |
| // Return the unquoted path to the cache service exe file. |
| static wstring GetUnquotedServicePath(); |
| |
| // Return the quoted path to the cache service exe file. |
| static wstring GetQuotedServicePath(); |
| |
| // Enable the autostart of the cache service. |
| // Fails if the cache service is not installed. |
| // Config dialog UI can use this API. |
| static bool EnableAutostart(); |
| |
| // Disable the cache service. |
| // It first stops the service if needed. |
| // Config dialog UI can use this API. |
| static bool DisableService(); |
| |
| // Restart cache service. |
| // Even when the service is stopped, this method |
| // tries to start the cache service. |
| // If the service is "Disable" mode, RestartService() fails. |
| // You can combine IsEnabled() / IsRunning() |
| // to control the conditions of the restart |
| static bool RestartService(); |
| |
| // return true if the machine has enough memory |
| // to start the cache service |
| static bool HasEnoughMemory(); |
| |
| // Return true if the current status of the serivice is successfully |
| // serialized into the specified wstring instance. |
| // You can assume that the serialized data consists of ASCII printable |
| // characters. |
| // If the cache service is not installed, default settings is returned |
| // with setting |installed| flag to false. |
| static bool BackupStateAsString(wstring *buffer); |
| |
| // Return true if the previous status of the service is successfully |
| // restored from the specified wstring instance. |
| // This function may start the service if needed. |
| static bool RestoreStateFromString(const wstring &buffer); |
| |
| // Return true if: |
| // - The cache service is not installed. |
| // - The cache service is installed but stopped when this function is called. |
| // - The cache service is installed and running but successfully stopped by |
| // this function. |
| static bool EnsureServiceStopped(); |
| |
| |
| private: |
| CacheServiceManager() {} |
| ~CacheServiceManager() {} |
| }; |
| } // namespace mozc |
| #endif // OS_WIN |
| #endif // MOZC_SERVER_CAC_SERVICE_MANAGER_H_ |