Panda3D
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00001 // Filename: clientDevice.h 00002 // Created by: drose (25Jan01) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef CLIENTDEVICE_H 00016 #define CLIENTDEVICE_H 00017 00018 #include "pandabase.h" 00019 00020 #include "typedReferenceCount.h" 00021 00022 #ifdef OLD_HAVE_IPC 00023 #include <ipc_mutex.h> 00024 #endif 00025 00026 class ClientBase; 00027 00028 //////////////////////////////////////////////////////////////////// 00029 // Class : ClientDevice 00030 // Description : Any of a number of different devices that might be 00031 // attached to a ClientBase, including trackers, etc. 00032 // This is an abstract interface; the actual 00033 // implementations are in ClientTrackerDevice, etc. 00034 //////////////////////////////////////////////////////////////////// 00035 class EXPCL_PANDA_DEVICE ClientDevice : public TypedReferenceCount { 00036 protected: 00037 ClientDevice(ClientBase *client, TypeHandle device_type, 00038 const string &device_name); 00039 00040 public: 00041 virtual ~ClientDevice(); 00042 00043 INLINE ClientBase *get_client() const; 00044 INLINE TypeHandle get_device_type() const; 00045 INLINE const string &get_device_name() const; 00046 00047 INLINE bool is_connected() const; 00048 void disconnect(); 00049 00050 void poll(); 00051 INLINE void acquire(); 00052 INLINE void unlock(); 00053 00054 virtual void output(ostream &out) const; 00055 virtual void write(ostream &out, int indent_level = 0) const; 00056 00057 private: 00058 ClientBase *_client; 00059 TypeHandle _device_type; 00060 string _device_name; 00061 bool _is_connected; 00062 00063 #ifdef OLD_HAVE_IPC 00064 mutex _lock; 00065 #endif 00066 00067 public: 00068 static TypeHandle get_class_type() { 00069 return _type_handle; 00070 } 00071 static void init_type() { 00072 TypedReferenceCount::init_type(); 00073 register_type(_type_handle, "ClientDevice", 00074 TypedReferenceCount::get_class_type()); 00075 } 00076 virtual TypeHandle get_type() const { 00077 return get_class_type(); 00078 } 00079 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00080 00081 private: 00082 static TypeHandle _type_handle; 00083 00084 friend class ClientBase; 00085 }; 00086 00087 INLINE ostream &operator <<(ostream &out, const ClientDevice &device) { 00088 device.output(out); 00089 return out; 00090 } 00091 00092 #include "clientDevice.I" 00093 00094 #endif