1 /* 2 * Copyright (c) 1999-2000, Eric Moon. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions, and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 32 // cortex::NodeManager::AddOnHost.h 33 // * PURPOSE 34 // Provides an interface to a separate BApplication whose 35 // single responsibility is to launch nodes. 36 // NodeManager-launched nodes now run in a separate team, 37 // helping to lower the likelihood of a socially maladjusted 38 // young node taking you out. 39 // 40 // * HISTORY 41 // e.moon 6nov99 42 43 #ifndef __NodeManager_AddOnHost_H__ 44 #define __NodeManager_AddOnHost_H__ 45 46 #include <Application.h> 47 #include <MediaAddOn.h> 48 #include <MediaDefs.h> 49 50 #include "cortex_defs.h" 51 __BEGIN_CORTEX_NAMESPACE 52 53 class AddOnHost { 54 55 public: // *** static interface 56 57 static status_t FindInstance( 58 BMessenger* outMessenger); 59 60 static status_t Kill( 61 bigtime_t timeout=B_INFINITE_TIMEOUT); 62 63 // returns B_NOT_ALLOWED if an instance has already been launched 64 static status_t Launch( 65 BMessenger* outMessenger=0); 66 67 static status_t InstantiateDormantNode( 68 const dormant_node_info& info, 69 media_node* outNode, 70 bigtime_t timeout=B_INFINITE_TIMEOUT); 71 72 static status_t ReleaseInternalNode( 73 const live_node_info& info, 74 bigtime_t timeout=B_INFINITE_TIMEOUT); 75 76 static BMessenger s_messenger; 77 78 private: // implementation 79 friend class _AddOnHostApp; 80 }; 81 82 __END_CORTEX_NAMESPACE 83 #endif /*__NodeManager_AddOnHost_H__*/ 84 85