* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* ---------------------------------------------------
*/
-#ifndef __BASE_H__
-#define __BASE_H__
+#ifndef BASE_H
+#define BASE_H
#include <map>
#include <deque>
/**
* Called just prior to destruction via cull list.
- *
- * @return true to allow the delete, or false to halt the delete
*/
virtual CullResult cull();
virtual ~classbase();
{
public:
interfacebase() {}
+ static inline void* operator new(size_t, void* m) { return m; }
private:
interfacebase(const interfacebase&);
void operator=(const interfacebase&);
- void* operator new(size_t);
- void operator delete(void*);
+ static void* operator new(size_t);
+ static void operator delete(void*);
};
/** The base class for inspircd classes that support reference counting.
*/
class CoreExport refcountbase
{
- unsigned int refcount;
+ mutable unsigned int refcount;
public:
refcountbase();
virtual ~refcountbase();
inline unsigned int GetReferenceCount() const { return refcount; }
- friend class reference_base;
+ static inline void* operator new(size_t, void* m) { return m; }
+ static void* operator new(size_t);
+ static void operator delete(void*);
+ inline void refcount_inc() const { refcount++; }
+ inline bool refcount_dec() const { refcount--; return !refcount; }
private:
// uncopyable
refcountbase(const refcountbase&);
void operator=(const refcountbase&);
};
-class CoreExport reference_base
+/** Base class for use count tracking. Uses reference<>, but does not
+ * cause object deletion when the last user is removed.
+ *
+ * Safe for use as a second parent class; will not add a second vtable.
+ */
+class CoreExport usecountbase
{
- protected:
- template<typename T> static inline unsigned int inc(T* v) { return ++(v->refcount); }
- template<typename T> static inline unsigned int dec(T* v) { return --(v->refcount); }
+ mutable unsigned int usecount;
+ public:
+ usecountbase() : usecount(0) { }
+ ~usecountbase();
+ inline unsigned int GetUseCount() const { return usecount; }
+ inline void refcount_inc() const { usecount++; }
+ inline bool refcount_dec() const { usecount--; return false; }
+ private:
+ // uncopyable
+ usecountbase(const usecountbase&);
+ void operator=(const usecountbase&);
};
template <typename T>
-class reference : public reference_base
+class CoreExport reference
{
T* value;
public:
reference() : value(0) { }
- reference(T* v) : value(v) { if (value) inc(value); }
- reference(const reference& v) : value(v.value) { if (value) inc(value); }
+ reference(T* v) : value(v) { if (value) value->refcount_inc(); }
+ reference(const reference<T>& v) : value(v.value) { if (value) value->refcount_inc(); }
reference<T>& operator=(const reference<T>& other)
{
if (other.value)
- inc(other.value);
+ other.value->refcount_inc();
this->reference::~reference();
value = other.value;
return *this;
~reference()
{
- if (value)
- {
- int rc = dec(value);
- if (rc == 0)
- delete value;
- }
+ if (value && value->refcount_dec())
+ delete value;
}
- inline const T* operator->() const { return value; }
- inline const T& operator*() const { return *value; }
- inline T* operator->() { return value; }
- inline T& operator*() { return *value; }
inline operator bool() const { return value; }
inline operator T*() const { return value; }
+ inline T* operator->() const { return value; }
+ inline T& operator*() const { return *value; }
+ inline bool operator<(const reference<T>& other) const { return value < other.value; }
+ inline bool operator>(const reference<T>& other) const { return value > other.value; }
+ static inline void* operator new(size_t, void* m) { return m; }
+ private:
+#ifndef WIN32
+ static void* operator new(size_t);
+ static void operator delete(void*);
+#endif
};
/** This class can be used on its own to represent an exception, or derived to represent a module-specific exception.
*/
class CoreExport CoreException : public std::exception
{
- protected:
+ public:
/** Holds the error message to be displayed
*/
const std::string err;
/** Source of the exception
*/
const std::string source;
- public:
/** Default constructor, just uses the error mesage 'Core threw an exception'.
*/
CoreException() : err("Core threw an exception"), source("The core") {}
}
};
+class Module;
class CoreExport ModuleException : public CoreException
{
public:
- /** Default constructor, just uses the error mesage 'Module threw an exception'.
- */
- ModuleException() : CoreException("Module threw an exception", "A Module") {}
-
/** This constructor can be used to specify an error message before throwing.
*/
- ModuleException(const std::string &message) : CoreException(message, "A Module") {}
- /** This destructor solves world hunger, cancels the world debt, and causes the world to end.
- * Actually no, it does nothing. Never mind.
- * @throws Nothing!
- */
- virtual ~ModuleException() throw() {};
+ ModuleException(const std::string &message, Module* me = NULL);
+};
+
+typedef const reference<Module> ModuleRef;
+
+enum ServiceType {
+ /** is a Command */
+ SERVICE_COMMAND,
+ /** is a ModeHandler */
+ SERVICE_MODE,
+ /** is a metadata descriptor */
+ SERVICE_METADATA,
+ /** is a data processing provider (MD5, SQL) */
+ SERVICE_DATA,
+ /** is an I/O hook provider (SSL) */
+ SERVICE_IOHOOK
};
+/** A structure defining something that a module can provide */
+class CoreExport ServiceProvider : public classbase
+{
+ public:
+ /** Module that is providing this service */
+ ModuleRef creator;
+ /** Name of the service being provided */
+ const std::string name;
+ /** Type of service (must match object type) */
+ const ServiceType service;
+ ServiceProvider(Module* Creator, const std::string& Name, ServiceType Type)
+ : creator(Creator), name(Name), service(Type) {}
+ virtual ~ServiceProvider();
+};
+
+
#endif
projects / user / henk / code / inspircd.git / blobdiff