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server/dep/acelite/ace/Hash_Map_Manager_T.cpp
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//=============================================================================
/**
* @file Hash_Map_Manager_T.cpp
*
* $Id: Hash_Map_Manager_T.cpp 84477 2009-02-16 13:30:38Z johnnyw $
*
* @author Douglas C. Schmidt <schmidt@cse.wustl.edu>
*/
//=============================================================================
#ifndef ACE_HASH_MAP_MANAGER_T_CPP
#define ACE_HASH_MAP_MANAGER_T_CPP
#include "ace/Hash_Map_Manager_T.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (__ACE_INLINE__)
# include "ace/Hash_Map_Manager_T.inl"
#endif /* __ACE_INLINE__ */
#include "ace/Malloc_Base.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
template <class EXT_ID, class INT_ID>
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::ACE_Hash_Map_Entry (ACE_Hash_Map_Entry<EXT_ID, INT_ID> *next,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *prev)
: next_ (next),
prev_ (prev)
{
}
template <class EXT_ID, class INT_ID>
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::ACE_Hash_Map_Entry (const EXT_ID &ext_id,
const INT_ID &int_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *next,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *prev)
: ext_id_ (ext_id),
int_id_ (int_id),
next_ (next),
prev_ (prev)
{
}
template <class EXT_ID, class INT_ID>
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::~ACE_Hash_Map_Entry (void)
{
}
template <class EXT_ID, class INT_ID> EXT_ID &
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::key ()
{
return ext_id_;
}
template <class EXT_ID, class INT_ID> const EXT_ID &
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::key () const
{
return ext_id_;
}
template <class EXT_ID, class INT_ID> INT_ID &
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::item ()
{
return int_id_;
}
template <class EXT_ID, class INT_ID> const INT_ID &
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::item () const
{
return int_id_;
}
template <class EXT_ID, class INT_ID> void
ACE_Hash_Map_Entry<EXT_ID, INT_ID>::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("next_ = %d"), this->next_));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("prev_ = %d"), this->prev_));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> void
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("total_size_ = %d\n"), this->total_size_));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("cur_size_ = %d\n"), this->cur_size_));
this->table_allocator_->dump ();
this->entry_allocator_->dump ();
this->lock_.dump ();
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::create_buckets (size_t size)
{
size_t bytes = size * sizeof (ACE_Hash_Map_Entry<EXT_ID, INT_ID>);
void *ptr = 0;
ACE_ALLOCATOR_RETURN (ptr,
this->table_allocator_->malloc (bytes),
-1);
this->table_ = (ACE_Hash_Map_Entry<EXT_ID, INT_ID> *) ptr;
this->total_size_ = size;
// Initialize each entry in the hash table to be a circular linked
// list with the dummy node in the front serving as the anchor of
// the list.
for (size_t i = 0; i < size; i++)
new (&this->table_[i]) ACE_Hash_Map_Entry<EXT_ID, INT_ID> (&this->table_[i],
&this->table_[i]);
return 0;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::open (size_t size,
ACE_Allocator *table_alloc,
ACE_Allocator *entry_alloc)
{
ACE_WRITE_GUARD_RETURN (ACE_LOCK, ace_mon, this->lock_, -1);
// Calling this->close_i () to ensure we release previous allocated
// memory before allocating new one.
this->close_i ();
if (table_alloc == 0)
table_alloc = ACE_Allocator::instance ();
this->table_allocator_ = table_alloc;
if (entry_alloc == 0)
entry_alloc = table_alloc;
this->entry_allocator_ = entry_alloc;
// This assertion is here to help track a situation that shouldn't
// happen, but did with Sun C++ 4.1 (before a change to this class
// was made: it used to have an enum that was supposed to be defined
// to be ACE_DEFAULT_MAP_SIZE, but instead was defined to be 0).
if (size == 0)
return -1;
return this->create_buckets (size);
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::close_i (void)
{
// Protect against "double-deletion" in case the destructor also
// gets called.
if (this->table_ != 0)
{
// Remove all the entries.
this->unbind_all_i ();
// Iterate through the buckets cleaning up the sentinels.
for (size_t i = 0; i < this->total_size_; i++)
{
// Destroy the dummy entry.
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *entry = &this->table_[i];
// The second argument results in a no-op instead of
// deallocation.
ACE_DES_FREE_TEMPLATE2 (entry, ACE_NOOP,
ACE_Hash_Map_Entry, EXT_ID, INT_ID);
}
// Reset size.
this->total_size_ = 0;
// Free table memory.
this->table_allocator_->free (this->table_);
// Should be done last...
this->table_ = 0;
}
return 0;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::unbind_all_i (void)
{
// Iterate through the entire map calling the destuctor of each
// <ACE_Hash_Map_Entry>.
for (size_t i = 0; i < this->total_size_; i++)
{
for (ACE_Hash_Map_Entry<EXT_ID, INT_ID> *temp_ptr = this->table_[i].next_;
temp_ptr != &this->table_[i];
)
{
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *hold_ptr = temp_ptr;
temp_ptr = temp_ptr->next_;
// Explicitly call the destructor.
ACE_DES_FREE_TEMPLATE2 (hold_ptr, this->entry_allocator_->free,
ACE_Hash_Map_Entry, EXT_ID, INT_ID);
}
// Restore the sentinel.
this->table_[i].next_ = &this->table_[i];
this->table_[i].prev_ = &this->table_[i];
}
this->cur_size_ = 0;
return 0;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::bind_i (const EXT_ID &ext_id,
const INT_ID &int_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *&entry)
{
size_t loc = 0;
if (this->shared_find (ext_id, entry, loc) == -1)
{
void *ptr = 0;
// Not found.
ACE_ALLOCATOR_RETURN (ptr,
this->entry_allocator_->malloc (sizeof (ACE_Hash_Map_Entry<EXT_ID, INT_ID>)),
-1);
entry = new (ptr) ACE_Hash_Map_Entry<EXT_ID, INT_ID> (ext_id,
int_id,
this->table_[loc].next_,
&this->table_[loc]);
this->table_[loc].next_ = entry;
entry->next_->prev_ = entry;
++this->cur_size_;
return 0;
}
else
return 1;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::trybind_i (const EXT_ID &ext_id,
INT_ID &int_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *&entry)
{
size_t loc = 0;
if (this->shared_find (ext_id, entry, loc) == -1)
{
// Not found.
void *ptr = 0;
ACE_ALLOCATOR_RETURN (ptr,
this->entry_allocator_->malloc (sizeof (ACE_Hash_Map_Entry<EXT_ID, INT_ID>)),
-1);
entry = new (ptr) ACE_Hash_Map_Entry<EXT_ID, INT_ID> (ext_id,
int_id,
this->table_[loc].next_,
&this->table_[loc]);
this->table_[loc].next_ = entry;
entry->next_->prev_ = entry;
++this->cur_size_;
return 0;
}
else
return 1;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::unbind_i (const EXT_ID &ext_id,
INT_ID &int_id)
{
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *temp;
size_t loc = 0;
if (this->shared_find (ext_id, temp, loc) == -1)
{
errno = ENOENT;
return -1;
}
int_id = temp->int_id_;
return this->unbind_i (temp);
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::unbind_i (ACE_Hash_Map_Entry<EXT_ID, INT_ID> *entry)
{
entry->next_->prev_ = entry->prev_;
entry->prev_->next_ = entry->next_;
// Explicitly call the destructor.
ACE_DES_FREE_TEMPLATE2 (entry, this->entry_allocator_->free,
ACE_Hash_Map_Entry, EXT_ID, INT_ID);
--this->cur_size_;
return 0;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::shared_find (const EXT_ID &ext_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *&entry,
size_t &loc)
{
if (this->total_size_ == 0)
{
errno = ENOENT;
return -1;
}
loc = this->hash (ext_id) % this->total_size_;
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *temp = this->table_[loc].next_;
while (temp != &this->table_[loc] && this->equal (temp->ext_id_, ext_id) == 0)
temp = temp->next_;
if (temp == &this->table_[loc])
{
errno = ENOENT;
return -1;
}
else
{
entry = temp;
return 0;
}
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::rebind_i (const EXT_ID &ext_id,
const INT_ID &int_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *&entry)
{
size_t dummy = 0;
if (this->shared_find (ext_id, entry, dummy) == -1)
return this->bind_i (ext_id, int_id);
else
{
entry->ext_id_ = ext_id;
entry->int_id_ = int_id;
return 1;
}
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::rebind_i (const EXT_ID &ext_id,
const INT_ID &int_id,
INT_ID &old_int_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *&entry)
{
size_t dummy = 0;
if (this->shared_find (ext_id, entry, dummy) == -1)
return this->bind_i (ext_id, int_id);
else
{
old_int_id = entry->int_id_;
entry->ext_id_ = ext_id;
entry->int_id_ = int_id;
return 1;
}
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::rebind_i (const EXT_ID &ext_id,
const INT_ID &int_id,
EXT_ID &old_ext_id,
INT_ID &old_int_id,
ACE_Hash_Map_Entry<EXT_ID, INT_ID> *&entry)
{
size_t dummy = 0;
if (this->shared_find (ext_id, entry, dummy) == -1)
return this->bind_i (ext_id, int_id);
else
{
old_ext_id = entry->ext_id_;
old_int_id = entry->int_id_;
entry->ext_id_ = ext_id;
entry->int_id_ = int_id;
return 1;
}
}
// ------------------------------------------------------------
ACE_ALLOC_HOOK_DEFINE(ACE_Hash_Map_Iterator_Base_Ex)
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> void
ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::dump_i (void) const
{
ACE_TRACE ("ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::dump_i");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("index_ = %d "), this->index_));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("next_ = %x"), this->next_));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::forward_i (void)
{
ACE_TRACE ("ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::forward_i");
if (this->map_man_->table_ == 0)
return -1;
// Handle initial case specially.
else if (this->index_ == -1)
{
this->index_++;
return this->forward_i ();
}
else if (this->index_ >= static_cast<ssize_t> (this->map_man_->total_size_))
return 0;
this->next_ = this->next_->next_;
if (this->next_ == &this->map_man_->table_[this->index_])
{
while (++this->index_ < static_cast<ssize_t> (this->map_man_->total_size_))
{
this->next_ = this->map_man_->table_[this->index_].next_;
if (this->next_ != &this->map_man_->table_[this->index_])
break;
}
}
return this->index_ < static_cast<ssize_t> (this->map_man_->total_size_);
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::reverse_i (void)
{
ACE_TRACE ("ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::reverse_i");
if (this->map_man_->table_ == 0)
return -1;
else if (this->index_ == static_cast<ssize_t> (this->map_man_->total_size_))
{
--this->index_;
return this->reverse_i ();
}
else if (this->index_ < 0)
return 0;
this->next_ = this->next_->prev_;
if (this->next_ == &this->map_man_->table_[this->index_])
{
while (--this->index_ >= 0)
{
this->next_ = this->map_man_->table_[this->index_].prev_;
if (this->next_ != &this->map_man_->table_[this->index_])
break;
}
}
return this->index_ >= 0;
}
// ------------------------------------------------------------
ACE_ALLOC_HOOK_DEFINE(ACE_Hash_Map_Const_Iterator_Base_Ex)
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> void
ACE_Hash_Map_Const_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::dump_i (void) const
{
ACE_TRACE ("ACE_Hash_Map_Const_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::dump_i");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("index_ = %d "), this->index_));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("next_ = %x"), this->next_));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Const_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::forward_i (void)
{
ACE_TRACE ("ACE_Hash_Map_Const_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::forward_i");
if (this->map_man_->table_ == 0)
return -1;
// Handle initial case specially.
else if (this->index_ == -1)
{
++this->index_;
return this->forward_i ();
}
else if (this->index_ >= (ssize_t) this->map_man_->total_size_)
return 0;
this->next_ = this->next_->next_;
if (this->next_ == &this->map_man_->table_[this->index_])
{
while (++this->index_ < (ssize_t) this->map_man_->total_size_)
{
this->next_ = this->map_man_->table_[this->index_].next_;
if (this->next_ != &this->map_man_->table_[this->index_])
break;
}
}
return this->index_ < (ssize_t) this->map_man_->total_size_;
}
template <class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK> int
ACE_Hash_Map_Const_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::reverse_i (void)
{
ACE_TRACE ("ACE_Hash_Map_Const_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>::reverse_i");
if (this->map_man_->table_ == 0)
return -1;
else if (this->index_ == (ssize_t) this->map_man_->total_size_)
{
--this->index_;
return this->reverse_i ();
}
else if (this->index_ < 0)
return 0;
this->next_ = this->next_->prev_;
if (this->next_ == &this->map_man_->table_[this->index_])
{
while (--this->index_ >= 0)
{
this->next_ = this->map_man_->table_[this->index_].prev_;
if (this->next_ != &this->map_man_->table_[this->index_])
break;
}
}
return this->index_ >= 0;
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_HASH_MAP_MANAGER_T_CPP */
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