1 /* 2 * Hydrogen 3 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net] 4 * 5 * http://www.hydrogen-music.org 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY, without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 */ 22 23 #ifndef NSM_CLIENT_H 24 #define NSM_CLIENT_H 25 26 #if defined(H2CORE_HAVE_OSC) || _DOXYGEN_ 27 28 #include <hydrogen/object.h> 29 #include <cassert> 30 31 32 /** 33 * @class NsmClient 34 * 35 * @brief Non session manager client implementation 36 * 37 * 38 * @author Sebastian Moors 39 * 40 */ 41 42 class NsmClient : public H2Core::Object 43 { 44 H2_OBJECT 45 public: 46 /** 47 * Object holding the current NsmClient singleton. It 48 * is initialized with NULL, set with 49 * create_instance(), and accessed with 50 * get_instance(). 51 */ 52 static NsmClient* __instance; 53 ~NsmClient(); 54 55 pthread_t m_NsmThread; 56 /** 57 * If #__instance equals 0, a new NsmClient singleton 58 * will be created and stored in it. 59 * 60 * It is called in 61 * H2Core::Hydrogen::create_instance(). 62 */ 63 static void create_instance(); 64 /** 65 * Returns a pointer to the current NsmClient 66 * singleton stored in #__instance. 67 */ get_instance()68 static NsmClient* get_instance() { assert(__instance); return __instance; } 69 70 void createInitialClient(); 71 72 void shutdown(); 73 74 /** 75 * To determine whether Hydrogen is under Non session management, 76 * it is not sufficient to check whether the NSM_URL environmental 77 * variable is set but also whether the NSM server did respond 78 * to the announce message appropriately. Therefore, 79 * createInitialClient() has to be called first. 80 */ 81 bool m_bUnderSessionManagement; 82 83 private: 84 NsmClient(); 85 86 }; 87 88 #endif /* H2CORE_HAVE_OSC */ 89 90 #endif // NSM_CLIENT_H 91