diff options
Diffstat (limited to 'pjlib/include/pj++/pool.hpp')
| -rw-r--r-- | pjlib/include/pj++/pool.hpp | 529 |
1 files changed, 275 insertions, 254 deletions
diff --git a/pjlib/include/pj++/pool.hpp b/pjlib/include/pj++/pool.hpp index 1fa75759..22365117 100644 --- a/pjlib/include/pj++/pool.hpp +++ b/pjlib/include/pj++/pool.hpp @@ -1,254 +1,275 @@ -/* $Id$ - */ -#ifndef __PJPP_POOL_HPP__ -#define __PJPP_POOL_HPP__ - -#include <pj/pool.h> - -class Pj_Pool; -class Pj_Caching_Pool; - -// -// Base class for all Pjlib objects -// -class Pj_Object -{ -public: - void *operator new(unsigned int class_size, Pj_Pool *pool); - void *operator new(unsigned int class_size, Pj_Pool &pool); - - void operator delete(void*) - { - } - - void operator delete(void*, Pj_Pool*) - { - } - - void operator delete(void*, Pj_Pool&) - { - } - - // - // Inline implementations at the end of this file. - // - -private: - // Can not use normal new operator; must use pool. - // e.g.: - // obj = new(pool) Pj_The_Object(pool, ...); - // - void *operator new(unsigned int) - {} -}; - - -// -// Pool. -// -class Pj_Pool : public Pj_Object -{ -public: - // - // Default constructor, initializes internal pool to NULL. - // Application must call attach() some time later. - // - Pj_Pool() - : p_(NULL) - { - } - - // - // Create pool. - // - Pj_Pool(Pj_Caching_Pool &caching_pool, - pj_size_t initial_size, - pj_size_t increment_size, - const char *name = NULL, - pj_pool_callback *callback = NULL); - - // - // Construct from existing pool. - // - explicit Pj_Pool(pj_pool_t *pool) - : p_(pool) - { - } - - // - // Attach existing pool. - // - void attach(pj_pool_t *pool) - { - p_ = pool; - } - - // - // Destructor. - // - // Release pool back to factory. Remember: if you delete pool, then - // make sure that all objects that have been allocated from this pool - // have been properly destroyed. - // - // This is where C++ is trickier than plain C!! - // - ~Pj_Pool() - { - if (p_) - pj_pool_release(p_); - } - - // - // Get name. - // - const char *getobjname() const - { - return pj_pool_getobjname(p_); - } - - // - // Get pjlib compatible pool object. - // - pj_pool_t *pool_() - { - return p_; - } - - // - // Get pjlib compatible pool object. - // - const pj_pool_t *pool_() const - { - return p_; - } - - // - // Get pjlib compatible pool object. - // - pj_pool_t *pj_pool_t_() - { - return p_; - } - - // - // Reset pool. - // - void reset() - { - pj_pool_reset(p_); - } - - // - // Get current capacity. - // - pj_size_t get_capacity() - { - pj_pool_get_capacity(p_); - } - - // - // Get current total bytes allocated from the pool. - // - pj_size_t get_used_size() - { - pj_pool_get_used_size(p_); - } - - // - // Allocate. - // - void *alloc(pj_size_t size) - { - return pj_pool_alloc(p_, size); - } - - // - // Allocate elements and zero fill the memory. - // - void *calloc(pj_size_t count, pj_size_t elem) - { - return pj_pool_calloc(p_, count, elem); - } - - // - // Allocate and zero fill memory. - // - void *zalloc(pj_size_t size) - { - return pj_pool_zalloc(p_, size); - } - -private: - pj_pool_t *p_; -}; - - -// -// Caching pool. -// -class Pj_Caching_Pool -{ -public: - // - // Construct caching pool. - // - Pj_Caching_Pool( pj_size_t cache_capacity = 0, - const pj_pool_factory_policy *pol=&pj_pool_factory_default_policy) - { - pj_caching_pool_init(&cp_, pol, cache_capacity); - } - - // - // Destroy caching pool. - // - ~Pj_Caching_Pool() - { - pj_caching_pool_destroy(&cp_); - } - - // - // Create pool. - // - pj_pool_t *create_pool( pj_size_t initial_size, - pj_size_t increment_size, - const char *name = NULL, - pj_pool_callback *callback = NULL) - { - return (pj_pool_t*)(*cp_.factory.create_pool)(&cp_.factory, name, - initial_size, - increment_size, - callback); - } - -private: - pj_caching_pool cp_; -}; - -// -// Inlines for Pj_Object -// -inline void *Pj_Object::operator new(unsigned int class_size, Pj_Pool *pool) -{ - return pool->alloc(class_size); -} -inline void *Pj_Object::operator new(unsigned int class_size, Pj_Pool &pool) -{ - return pool.alloc(class_size); -} - -// -// Inlines for Pj_Pool -// -inline Pj_Pool::Pj_Pool( Pj_Caching_Pool &caching_pool, - pj_size_t initial_size, - pj_size_t increment_size, - const char *name, - pj_pool_callback *callback) -{ - p_ = caching_pool.create_pool(initial_size, increment_size, name, - callback); -} - - -#endif /* __PJPP_POOL_HPP__ */ - +/* $Id$
+ */
+/*
+ * PJLIB - PJ Foundation Library
+ * (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
+ *
+ * Author:
+ * Benny Prijono <bennylp@bulukucing.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef __PJPP_POOL_HPP__
+#define __PJPP_POOL_HPP__
+
+#include <pj/pool.h>
+
+class Pj_Pool;
+class Pj_Caching_Pool;
+
+//
+// Base class for all Pjlib objects
+//
+class Pj_Object
+{
+public:
+ void *operator new(unsigned int class_size, Pj_Pool *pool);
+ void *operator new(unsigned int class_size, Pj_Pool &pool);
+
+ void operator delete(void*)
+ {
+ }
+
+ void operator delete(void*, Pj_Pool*)
+ {
+ }
+
+ void operator delete(void*, Pj_Pool&)
+ {
+ }
+
+ //
+ // Inline implementations at the end of this file.
+ //
+
+private:
+ // Can not use normal new operator; must use pool.
+ // e.g.:
+ // obj = new(pool) Pj_The_Object(pool, ...);
+ //
+ void *operator new(unsigned int)
+ {}
+};
+
+
+//
+// Pool.
+//
+class Pj_Pool : public Pj_Object
+{
+public:
+ //
+ // Default constructor, initializes internal pool to NULL.
+ // Application must call attach() some time later.
+ //
+ Pj_Pool()
+ : p_(NULL)
+ {
+ }
+
+ //
+ // Create pool.
+ //
+ Pj_Pool(Pj_Caching_Pool &caching_pool,
+ pj_size_t initial_size,
+ pj_size_t increment_size,
+ const char *name = NULL,
+ pj_pool_callback *callback = NULL);
+
+ //
+ // Construct from existing pool.
+ //
+ explicit Pj_Pool(pj_pool_t *pool)
+ : p_(pool)
+ {
+ }
+
+ //
+ // Attach existing pool.
+ //
+ void attach(pj_pool_t *pool)
+ {
+ p_ = pool;
+ }
+
+ //
+ // Destructor.
+ //
+ // Release pool back to factory. Remember: if you delete pool, then
+ // make sure that all objects that have been allocated from this pool
+ // have been properly destroyed.
+ //
+ // This is where C++ is trickier than plain C!!
+ //
+ ~Pj_Pool()
+ {
+ if (p_)
+ pj_pool_release(p_);
+ }
+
+ //
+ // Get name.
+ //
+ const char *getobjname() const
+ {
+ return pj_pool_getobjname(p_);
+ }
+
+ //
+ // Get pjlib compatible pool object.
+ //
+ pj_pool_t *pool_()
+ {
+ return p_;
+ }
+
+ //
+ // Get pjlib compatible pool object.
+ //
+ const pj_pool_t *pool_() const
+ {
+ return p_;
+ }
+
+ //
+ // Get pjlib compatible pool object.
+ //
+ pj_pool_t *pj_pool_t_()
+ {
+ return p_;
+ }
+
+ //
+ // Reset pool.
+ //
+ void reset()
+ {
+ pj_pool_reset(p_);
+ }
+
+ //
+ // Get current capacity.
+ //
+ pj_size_t get_capacity()
+ {
+ pj_pool_get_capacity(p_);
+ }
+
+ //
+ // Get current total bytes allocated from the pool.
+ //
+ pj_size_t get_used_size()
+ {
+ pj_pool_get_used_size(p_);
+ }
+
+ //
+ // Allocate.
+ //
+ void *alloc(pj_size_t size)
+ {
+ return pj_pool_alloc(p_, size);
+ }
+
+ //
+ // Allocate elements and zero fill the memory.
+ //
+ void *calloc(pj_size_t count, pj_size_t elem)
+ {
+ return pj_pool_calloc(p_, count, elem);
+ }
+
+ //
+ // Allocate and zero fill memory.
+ //
+ void *zalloc(pj_size_t size)
+ {
+ return pj_pool_zalloc(p_, size);
+ }
+
+private:
+ pj_pool_t *p_;
+};
+
+
+//
+// Caching pool.
+//
+class Pj_Caching_Pool
+{
+public:
+ //
+ // Construct caching pool.
+ //
+ Pj_Caching_Pool( pj_size_t cache_capacity = 0,
+ const pj_pool_factory_policy *pol=&pj_pool_factory_default_policy)
+ {
+ pj_caching_pool_init(&cp_, pol, cache_capacity);
+ }
+
+ //
+ // Destroy caching pool.
+ //
+ ~Pj_Caching_Pool()
+ {
+ pj_caching_pool_destroy(&cp_);
+ }
+
+ //
+ // Create pool.
+ //
+ pj_pool_t *create_pool( pj_size_t initial_size,
+ pj_size_t increment_size,
+ const char *name = NULL,
+ pj_pool_callback *callback = NULL)
+ {
+ return (pj_pool_t*)(*cp_.factory.create_pool)(&cp_.factory, name,
+ initial_size,
+ increment_size,
+ callback);
+ }
+
+private:
+ pj_caching_pool cp_;
+};
+
+//
+// Inlines for Pj_Object
+//
+inline void *Pj_Object::operator new(unsigned int class_size, Pj_Pool *pool)
+{
+ return pool->alloc(class_size);
+}
+inline void *Pj_Object::operator new(unsigned int class_size, Pj_Pool &pool)
+{
+ return pool.alloc(class_size);
+}
+
+//
+// Inlines for Pj_Pool
+//
+inline Pj_Pool::Pj_Pool( Pj_Caching_Pool &caching_pool,
+ pj_size_t initial_size,
+ pj_size_t increment_size,
+ const char *name,
+ pj_pool_callback *callback)
+{
+ p_ = caching_pool.create_pool(initial_size, increment_size, name,
+ callback);
+}
+
+
+#endif /* __PJPP_POOL_HPP__ */
+
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