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clientDevice.h
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94 lines (75 loc) · 2.39 KB
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// Filename: clientDevice.h
// Created by: drose (25Jan01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#ifndef CLIENTDEVICE_H
#define CLIENTDEVICE_H
#include "pandabase.h"
#include "typedReferenceCount.h"
#ifdef OLD_HAVE_IPC
#include <ipc_mutex.h>
#endif
class ClientBase;
////////////////////////////////////////////////////////////////////
// Class : ClientDevice
// Description : Any of a number of different devices that might be
// attached to a ClientBase, including trackers, etc.
// This is an abstract interface; the actual
// implementations are in ClientTrackerDevice, etc.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_DEVICE ClientDevice : public TypedReferenceCount {
protected:
ClientDevice(ClientBase *client, TypeHandle device_type,
const string &device_name);
public:
virtual ~ClientDevice();
INLINE ClientBase *get_client() const;
INLINE TypeHandle get_device_type() const;
INLINE const string &get_device_name() const;
INLINE bool is_connected() const;
void disconnect();
void poll();
INLINE void acquire();
INLINE void unlock();
virtual void output(ostream &out) const;
virtual void write(ostream &out, int indent_level = 0) const;
private:
ClientBase *_client;
TypeHandle _device_type;
string _device_name;
bool _is_connected;
#ifdef OLD_HAVE_IPC
mutex _lock;
#endif
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
TypedReferenceCount::init_type();
register_type(_type_handle, "ClientDevice",
TypedReferenceCount::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
friend class ClientBase;
};
INLINE ostream &operator <<(ostream &out, const ClientDevice &device) {
device.output(out);
return out;
}
#include "clientDevice.I"
#endif