panda3d/direct/src/plugin/p3dInstanceManager.h

236 lines
7.3 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 "p3dConditionVar.h"
#include <set>
#include <map>
#include <vector>
#ifndef _WIN32
#include <signal.h>
#endif
#define OPENSSL_NO_KRB5
#include "openssl/x509.h"
#include "openssl/pem.h"
#include "openssl/md5.h"
class P3DInstance;
class P3DSession;
class P3DAuthSession;
class P3DHost;
class P3DPackage;
class FileSpec;
class TiXmlElement;
////////////////////////////////////////////////////////////////////
// Class : P3DInstanceManager
// Description : This global class manages the set of instances in the
// universe.
////////////////////////////////////////////////////////////////////
class P3DInstanceManager {
private:
P3DInstanceManager();
~P3DInstanceManager();
public:
bool initialize(int api_version, const string &contents_filename,
const string &host_url,
P3D_verify_contents verify_contents,
const string &platform,
const string &log_directory,
const string &log_basename,
bool trusted_environment,
bool console_environment,
const string &root_dir = "",
const string &host_dir = "");
inline bool is_initialized() const;
inline void reconsider_runtime_environment();
inline P3D_verify_contents get_verify_contents() const;
inline void reset_verify_contents();
inline int get_api_version() const;
inline const string &get_host_url() const;
inline const string &get_root_dir() const;
inline const string &get_platform() const;
inline const string &get_temp_directory() const;
inline const string &get_log_directory() const;
inline const string &get_log_pathname() const;
inline bool get_trusted_environment() const;
inline bool get_console_environment() const;
void set_plugin_version(int major, int minor, int sequence,
bool official, const string &distributor,
const string &coreapi_host_url,
time_t coreapi_timestamp,
const string &coreapi_set_ver);
inline int get_plugin_major_version() const;
inline int get_plugin_minor_version() const;
inline int get_plugin_sequence_version() const;
inline bool get_plugin_official_version() const;
inline const string &get_plugin_distributor() const;
inline const string &get_coreapi_host_url() const;
inline time_t get_coreapi_timestamp() const;
inline const string &get_coreapi_set_ver() const;
void set_super_mirror(const string &super_mirror_url);
inline const string &get_super_mirror() const;
P3DInstance *
create_instance(P3D_request_ready_func *func,
const P3D_token tokens[], size_t num_tokens,
int argc, const char *argv[], void *user_data);
bool set_p3d_filename(P3DInstance *inst, bool is_local,
const string &p3d_filename, const int &p3d_offset);
int make_p3d_stream(P3DInstance *inst, const string &p3d_url);
bool start_instance(P3DInstance *inst);
void finish_instance(P3DInstance *inst);
P3DAuthSession *authorize_instance(P3DInstance *inst);
P3DInstance *validate_instance(P3D_instance *instance);
P3DInstance *check_request();
void wait_request(double timeout);
P3DHost *get_host(const string &host_url);
void forget_host(P3DHost *host);
inline int get_num_instances() const;
int get_unique_id();
void signal_request_ready(P3DInstance *inst);
P3D_class_definition *make_class_definition() const;
inline P3D_object *new_undefined_object();
inline P3D_object *new_none_object();
inline P3D_object *new_bool_object(bool value);
string make_temp_filename(const string &extension);
void release_temp_filename(const string &filename);
bool find_cert(X509 *cert);
void read_certlist(P3DPackage *package);
string get_cert_dir(X509 *cert);
static string cert_to_der(X509 *cert);
void uninstall_all();
static P3DInstanceManager *get_global_ptr();
static void delete_global_ptr();
static inline char encode_hexdigit(int c);
static bool scan_directory(const string &dirname, vector<string> &contents);
static bool scan_directory_recursively(const string &dirname,
vector<string> &filename_contents,
vector<string> &dirname_contents,
const string &prefix = "");
static void delete_directory_recursively(const string &root_dir);
static bool remove_file_from_list(vector<string> &contents, const string &filename);
static void append_safe_dir(string &root, const string &basename);
private:
void create_runtime_environment();
static void append_safe_dir_component(string &root, const string &component);
private:
// The notify thread. This thread runs only for the purpose of
// generating asynchronous notifications of requests, to callers who
// ask for it.
THREAD_CALLBACK_DECLARATION(P3DInstanceManager, nt_thread_run);
void nt_thread_run();
private:
bool _is_initialized;
bool _created_runtime_environment;
int _api_version;
string _host_url;
string _root_dir;
string _host_dir;
string _certs_dir;
P3D_verify_contents _verify_contents;
string _platform;
string _log_directory;
string _log_basename;
string _log_pathname;
string _temp_directory;
bool _trusted_environment;
bool _console_environment;
int _plugin_major_version;
int _plugin_minor_version;
int _plugin_sequence_version;
bool _plugin_official_version;
string _plugin_distributor;
string _coreapi_host_url;
time_t _coreapi_timestamp;
string _coreapi_set_ver;
string _super_mirror_url;
P3D_object *_undefined_object;
P3D_object *_none_object;
P3D_object *_true_object;
P3D_object *_false_object;
typedef set<string> ApprovedCerts;
ApprovedCerts _approved_certs;
typedef set<P3DInstance *> Instances;
Instances _instances;
P3DAuthSession *_auth_session;
typedef map<string, P3DSession *> Sessions;
Sessions _sessions;
typedef map<string, P3DHost *> Hosts;
Hosts _hosts;
typedef set<string> TempFilenames;
TempFilenames _temp_filenames;
int _next_temp_filename_counter;
int _unique_id;
// This condition var is waited on the main thread and signaled in a
// sub-thread when new request notices arrive.
P3DConditionVar _request_ready;
// We may need a thread to send async request notices to callers.
bool _notify_thread_continue;
bool _started_notify_thread;
THREAD _notify_thread;
// This queue of instances that need to send notifications is
// protected by _notify_ready's mutex.
typedef vector<P3DInstance *> NotifyInstances;
NotifyInstances _notify_instances;
P3DConditionVar _notify_ready;
#ifndef _WIN32
struct sigaction _old_sigpipe;
#endif
static P3DInstanceManager *_global_ptr;
};
#include "p3dInstanceManager.I"
#endif