panda3d/direct/src/plugin/p3dInstanceManager.h
2009-06-24 05:33:44 +00:00

106 lines
2.7 KiB
C++

// Filename: p3dInstanceManager.h
// Created by: drose (29May09)
//
////////////////////////////////////////////////////////////////////
//
// 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 P3DINSTANCEMANAGER_H
#define P3DINSTANCEMANAGER_H
#include "p3d_plugin_common.h"
#include <set>
#include <map>
class P3DInstance;
class P3DSession;
class P3DPackage;
////////////////////////////////////////////////////////////////////
// Class : P3DInstanceManager
// Description : This global class manages the set of instances in the
// universe.
////////////////////////////////////////////////////////////////////
class P3DInstanceManager {
private:
P3DInstanceManager();
~P3DInstanceManager();
public:
bool initialize();
inline bool is_initialized() const;
inline const string &get_root_dir() const;
inline const string &get_download_url() const;
inline const string &get_platform() const;
P3DInstance *
create_instance(P3D_request_ready_func *func, void *user_data);
bool start_instance(P3DInstance *inst, const string &p3d_filename,
const P3D_token tokens[], size_t num_tokens);
void finish_instance(P3DInstance *inst);
P3DInstance *check_request();
void wait_request();
P3DPackage *get_package(const string &package_name,
const string &package_version,
const string &package_display_name);
inline int get_num_instances() const;
int get_unique_session_index();
void signal_request_ready();
static bool mkdir_public(const string &dirname);
static bool mkfile_public(const string &dirname);
static P3DInstanceManager *get_global_ptr();
private:
string find_root_dir() const;
static inline bool is_pathsep(char ch);
static string get_dirname(const string &filename);
private:
bool _is_initialized;
string _root_dir;
string _download_url;
string _platform;
typedef set<P3DInstance *> Instances;
Instances _instances;
typedef map<string, P3DSession *> Sessions;
Sessions _sessions;
typedef map<string, P3DPackage *> Packages;
Packages _packages;
int _unique_session_index;
// Implements a condition-var like behavior.
volatile int _request_seq;
#ifdef _WIN32
HANDLE _request_ready;
#else
LOCK _request_ready_lock;
pthread_cond_t _request_ready_cvar;
#endif
static P3DInstanceManager *_global_ptr;
};
#include "p3dInstanceManager.I"
#endif