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/* EIO - EFL data type library
* Copyright (C) 2010 Enlightenment Developers:
* Cedric Bail <cedric.bail@free.fr>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "eio_private.h"
#include "Eio.h"
/*============================================================================*
* Local *
*============================================================================*/
static Eio_Version _version = { VMAJ, VMIN, VMIC, VREV };
EAPI Eio_Version *eio_version = &_version;
/**
* @cond LOCAL
*/
#ifdef EFL_HAVE_POSIX_THREADS
# define EIO_MUTEX_TYPE pthread_mutex_t
# define EIO_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
# define EIO_MUTEX_INIT(Pool)
# define EIO_MUTEX_LOCK(Pool) pthread_mutex_lock(&Pool->lock)
# define EIO_MUTEX_UNLOCK(Pool) pthread_mutex_unlock(&Pool->lock)
# define EIO_MUTEX_DESTROY(Pool)
#endif
#ifdef EFL_HAVE_WIN32_THREADS
# define EIO_MUTEX_TYPE HANDLE
# define EIO_MUTEX_INITIALIZER NULL
# define EIO_MUTEX_INIT(Pool) Pool.lock = CreateMutex(NULL, FALSE, NULL)
# define EIO_MUTEX_LOCK(Pool) WaitForSingleObject(Pool->lock, INFINITE)
# define EIO_MUTEX_UNLOCK(Pool) ReleaseMutex(Pool->lock)
# define EIO_MUTEX_DESTROY(Pool) CloseHandle(Pool.lock)
#endif
/* Progress pool */
typedef struct _Eio_Alloc_Pool Eio_Alloc_Pool;
struct _Eio_Alloc_Pool
{
int count;
Eina_Trash *trash;
EIO_MUTEX_TYPE lock;
};
static int _eio_init_count = 0;
int _eio_log_dom_global = -1;
static Eio_Alloc_Pool progress_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
static Eio_Alloc_Pool direct_info_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
static Eio_Alloc_Pool char_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
static Eio_Alloc_Pool associate_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
static void *
_eio_pool_malloc(Eio_Alloc_Pool *pool, size_t sz)
{
void *result = NULL;
if (pool->count)
{
EIO_MUTEX_LOCK(pool);
result = eina_trash_pop(&pool->trash);
if (result) pool->count--;
EIO_MUTEX_UNLOCK(pool);
}
if (!result) result = malloc(sz);
return result;
}
static void
_eio_pool_free(Eio_Alloc_Pool *pool, void *data)
{
if (pool->count >= EIO_PROGRESS_LIMIT)
{
free(data);
}
else
{
EIO_MUTEX_LOCK(pool);
eina_trash_push(&pool->trash, data);
pool->count++;
EIO_MUTEX_UNLOCK(pool);
}
}
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
/**
* @cond LOCAL
*/
Eio_Progress *
eio_progress_malloc(void)
{
return _eio_pool_malloc(&progress_pool, sizeof (Eio_Progress));
}
void
eio_progress_free(Eio_Progress *data)
{
eina_stringshare_del(data->source);
eina_stringshare_del(data->dest);
_eio_pool_free(&progress_pool, data);
}
void
eio_progress_send(Ecore_Thread *thread, Eio_File_Progress *op, long long current, long long max)
{
Eio_Progress *progress;
if (op->progress_cb == NULL)
return ;
progress = eio_progress_malloc();
if (!progress) return ;
progress->op = op->op;
progress->current = current;
progress->max = max;
progress->percent = (float) current * 100.0 / (float) max;
progress->source = eina_stringshare_ref(op->source);
progress->dest = eina_stringshare_ref(op->dest);
ecore_thread_feedback(thread, progress);
}
Eio_File_Direct_Info *
eio_direct_info_malloc(void)
{
return _eio_pool_malloc(&direct_info_pool, sizeof (Eio_File_Direct_Info));
}
void
eio_direct_info_free(Eio_File_Direct_Info *data)
{
_eio_pool_free(&direct_info_pool, data);
}
Eio_File_Char *
eio_char_malloc(void)
{
return _eio_pool_malloc(&char_pool, sizeof (Eio_File_Char));
}
void
eio_char_free(Eio_File_Char *data)
{
_eio_pool_free(&char_pool, data);
}
Eio_File_Associate *
eio_associate_malloc(const void *data, Eina_Free_Cb free_cb)
{
Eio_File_Associate *tmp;
tmp = _eio_pool_malloc(&associate_pool, sizeof (Eio_File_Associate));
if (!tmp) return tmp;
tmp->data = (void*) data;
tmp->free_cb = free_cb;
return tmp;
}
void
eio_associate_free(void *data)
{
Eio_File_Associate *tmp;
if (!data) return ;
tmp = data;
if (tmp->free_cb)
tmp->free_cb(tmp->data);
_eio_pool_free(&associate_pool, tmp);
}
/**
* @endcond
*/
/*============================================================================*
* API *
*============================================================================*/
EAPI int
eio_init(void)
{
if (++_eio_init_count != 1)
return _eio_init_count;
if (!eina_init())
{
fprintf(stderr, "Eio can not initialize Eina\n");
return --_eio_init_count;
}
_eio_log_dom_global = eina_log_domain_register("eio", EIO_DEFAULT_LOG_COLOR);
if (_eio_log_dom_global < 0)
{
EINA_LOG_ERR("Eio can not create a general log domain.");
goto shutdown_eina;
}
if (!ecore_init())
{
ERR("Can not initialize Eina\n");
goto unregister_log_domain;
}
EIO_MUTEX_INIT(progress_pool);
EIO_MUTEX_INIT(direct_info_pool);
EIO_MUTEX_INIT(char_pool);
EIO_MUTEX_INIT(associate_pool);
eio_monitor_init();
return _eio_init_count;
unregister_log_domain:
eina_log_domain_unregister(_eio_log_dom_global);
_eio_log_dom_global = -1;
shutdown_eina:
eina_shutdown();
return --_eio_init_count;
}
EAPI int
eio_shutdown(void)
{
Eio_File_Direct_Info *info;
Eio_File_Char *cin;
Eio_Progress *pg;
Eio_File_Associate *asso;
if (_eio_init_count <= 0)
{
ERR("Init count not greater than 0 in shutdown.");
return 0;
}
if (--_eio_init_count != 0)
return _eio_init_count;
eio_monitor_shutdown();
EIO_MUTEX_DESTROY(direct_info_pool);
EIO_MUTEX_DESTROY(progress_pool);
EIO_MUTEX_DESTROY(char_pool);
EIO_MUTEX_DESTROY(associate_pool);
/* Cleanup pool */
EINA_TRASH_CLEAN(&progress_pool.trash, pg)
free(pg);
progress_pool.count = 0;
EINA_TRASH_CLEAN(&direct_info_pool.trash, info)
free(info);
direct_info_pool.count = 0;
EINA_TRASH_CLEAN(&char_pool.trash, cin)
free(cin);
char_pool.count = 0;
EINA_TRASH_CLEAN(&associate_pool.trash, asso)
free(asso);
associate_pool.count = 0;
ecore_shutdown();
eina_log_domain_unregister(_eio_log_dom_global);
_eio_log_dom_global = -1;
eina_shutdown();
return _eio_init_count;
}