2010-07-22 09:08:17 -07:00
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/* EIO - EFL data type library
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* Copyright (C) 2010 Enlightenment Developers:
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* Cedric Bail <cedric.bail@free.fr>
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* Vincent "caro" Torri <vtorri at univ-evry dot fr>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <Ecore.h>
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#include "Eio.h"
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2010-07-23 04:00:44 -07:00
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typedef struct _Eio_File_Ls Eio_File_Ls;
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typedef struct _Eio_File_Direct_Ls Eio_File_Direct_Ls;
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typedef struct _Eio_File_Char_Ls Eio_File_Char_Ls;
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struct _Eio_File
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2010-07-22 09:08:17 -07:00
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{
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Ecore_Thread *thread;
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const void *data;
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2010-07-23 04:00:44 -07:00
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Eio_Done_Cb done_cb;
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Eio_Done_Cb error_cb;
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};
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struct _Eio_File_Ls
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{
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Eio_File common;
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const char *directory;
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};
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struct _Eio_File_Direct_Ls
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{
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Eio_File_Ls ls;
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Eio_Filter_Direct_Cb filter_cb;
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Eio_Main_Direct_Cb main_cb;
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};
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struct _Eio_File_Char_Ls
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{
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Eio_File_Ls ls;
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Eio_Filter_Cb filter_cb;
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Eio_Main_Cb main_cb;
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2010-07-22 09:08:17 -07:00
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};
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static int _eio_count = 0;
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static void
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_eio_file_heavy(Ecore_Thread *thread, void *data)
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Char_Ls *async;
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Eina_Iterator *ls;
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2010-07-22 09:08:17 -07:00
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const char *file;
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async = data;
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2010-07-23 04:00:44 -07:00
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ls = eina_file_ls(async->ls.directory);
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if (!ls)
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{
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ecore_thread_cancel(thread);
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return ;
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}
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EINA_ITERATOR_FOREACH(ls, file)
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2010-07-22 09:08:17 -07:00
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{
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Eina_Bool filter = EINA_TRUE;
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2010-07-23 04:00:44 -07:00
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if (async->filter_cb)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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filter = async->filter_cb(file, (void*) async->ls.common.data);
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2010-07-22 09:08:17 -07:00
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}
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if (filter) ecore_thread_notify(thread, file);
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else eina_stringshare_del(file);
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2010-07-23 04:00:44 -07:00
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if (ecore_thread_check(thread))
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break;
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2010-07-22 09:08:17 -07:00
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}
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2010-07-23 04:00:44 -07:00
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eina_iterator_free(ls);
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2010-07-22 09:08:17 -07:00
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}
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static void
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2010-07-23 04:00:44 -07:00
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_eio_file_notify(Ecore_Thread *thread __UNUSED__, void *msg_data, void *data)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Char_Ls *async;
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2010-07-22 09:08:17 -07:00
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const char *file;
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async = data;
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file = msg_data;
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2010-07-23 04:00:44 -07:00
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if (async->main_cb)
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async->main_cb(file, (void*) async->ls.common.data);
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2010-07-22 09:08:17 -07:00
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eina_stringshare_del(file);
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}
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static void
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_eio_file_direct_heavy(Ecore_Thread *thread, void *data)
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Direct_Ls *async;
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Eina_Iterator *ls;
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2010-07-22 09:08:17 -07:00
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const Eina_File_Direct_Info *info;
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async = data;
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2010-07-23 04:00:44 -07:00
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ls = eina_file_direct_ls(async->ls.directory);
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if (!ls)
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{
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ecore_thread_cancel(thread);
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return ;
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}
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EINA_ITERATOR_FOREACH(ls, info)
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2010-07-22 09:08:17 -07:00
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{
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Eina_Bool filter = EINA_TRUE;
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2010-07-23 04:00:44 -07:00
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if (async->filter_cb)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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filter = async->filter_cb(info, (void*) async->ls.common.data);
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2010-07-22 09:08:17 -07:00
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}
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if (filter)
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{
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Eina_File_Direct_Info *send;
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send = malloc(sizeof (Eina_File_Direct_Info));
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if (!send) continue;
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memcpy(send, info, sizeof (Eina_File_Direct_Info));
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ecore_thread_notify(thread, send);
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}
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2010-07-23 04:00:44 -07:00
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if (ecore_thread_check(thread))
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break;
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2010-07-22 09:08:17 -07:00
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}
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2010-07-23 04:00:44 -07:00
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eina_iterator_free(ls);
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2010-07-22 09:08:17 -07:00
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}
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static void
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2010-07-23 04:00:44 -07:00
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_eio_file_direct_notify(Ecore_Thread *thread __UNUSED__, void *msg_data, void *data)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Direct_Ls *async;
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2010-07-22 09:08:17 -07:00
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Eina_File_Direct_Info *info;
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async = data;
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info = msg_data;
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2010-07-23 04:00:44 -07:00
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if (async->main_cb)
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async->main_cb(info, (void*) async->ls.common.data);
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2010-07-22 09:08:17 -07:00
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free(info);
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}
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static void
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_eio_file_end(void *data)
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Ls *async;
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async = data;
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if (async->common.done_cb)
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async->common.done_cb((void*) async->common.data);
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eina_stringshare_del(async->directory);
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free(async);
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}
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static void
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_eio_file_error(void *data)
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{
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Eio_File_Ls *async;
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2010-07-22 09:08:17 -07:00
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async = data;
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2010-07-23 04:00:44 -07:00
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if (async->common.error_cb)
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async->common.error_cb((void*) async->common.data);
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2010-07-22 09:08:17 -07:00
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2010-07-23 04:00:44 -07:00
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eina_stringshare_del(async->directory);
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2010-07-22 09:08:17 -07:00
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free(async);
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}
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EAPI int
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eio_init(void)
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{
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_eio_count++;
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if (_eio_count > 1) return _eio_count;
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eina_init();
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ecore_init();
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return _eio_count;
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}
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EAPI int
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eio_shutdown(void)
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{
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_eio_count--;
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if (_eio_count > 0) return _eio_count;
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ecore_shutdown();
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eina_shutdown();
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return _eio_count;
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}
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2010-07-23 04:00:44 -07:00
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/**
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* @brief List content of a directory without locking your app.
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* @param dir The directory to list.
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* @param filter_cb Callback called from another thread.
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* @param main_cb Callback called from the main loop for each accepted file.
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* @param done_cb Callback called from the main loop when the content of the directory has been listed.
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* @param error_cb Callback called from the main loop when the directory could not be opened or listing content has been canceled.
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* @return A reference to the IO operation.
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*
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* eio_file_ls run eina_file_ls in a separated thread using ecore_long_run. This prevent
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* any lock in your apps.
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*/
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EAPI Eio_File *
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2010-07-22 09:08:17 -07:00
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eio_file_ls(const char *dir,
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2010-07-23 04:00:44 -07:00
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Eio_Filter_Cb filter_cb,
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Eio_Main_Cb main_cb,
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Eio_Done_Cb done_cb,
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Eio_Done_Cb error_cb,
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const void *data)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Char_Ls *async = NULL;
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2010-07-22 09:08:17 -07:00
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2010-07-23 04:00:44 -07:00
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async = malloc(sizeof (Eio_File_Char_Ls));
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2010-07-22 09:08:17 -07:00
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if (!async) goto on_error;
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2010-07-23 04:00:44 -07:00
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async->filter_cb = filter_cb;
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async->main_cb = main_cb;
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async->ls.directory = eina_stringshare_add(dir);
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async->ls.common.done_cb = done_cb;
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async->ls.common.error_cb = error_cb;
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async->ls.common.data = data;
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async->ls.common.thread = ecore_long_run(_eio_file_heavy,
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_eio_file_notify,
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_eio_file_end,
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_eio_file_error,
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async,
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EINA_FALSE);
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if (!async->ls.common.thread) goto on_error;
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return &async->ls.common;
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2010-07-22 09:08:17 -07:00
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on_error:
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free(async);
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return NULL;
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}
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2010-07-23 04:00:44 -07:00
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/**
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* @brief List content of a directory without locking your app.
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* @param dir The directory to list.
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* @param filter_cb Callback called from another thread.
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* @param main_cb Callback called from the main loop for each accepted file.
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* @param done_cb Callback called from the main loop when the content of the directory has been listed.
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* @param error_cb Callback called from the main loop when the directory could not be opened or listing content has been canceled.
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* @return A reference to the IO operation.
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*
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* eio_file_direct_ls run eina_file_direct_ls in a separated thread using
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* ecore_long_run. This prevent any lock in your apps.
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*/
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EAPI Eio_File *
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2010-07-22 09:08:17 -07:00
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eio_file_direct_ls(const char *dir,
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2010-07-23 04:00:44 -07:00
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Eio_Filter_Direct_Cb filter_cb,
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Eio_Main_Direct_Cb main_cb,
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Eio_Done_Cb done_cb,
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Eio_Done_Cb error_cb,
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const void *data)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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Eio_File_Direct_Ls *async = NULL;
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2010-07-22 09:08:17 -07:00
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2010-07-23 04:00:44 -07:00
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async = malloc(sizeof (Eio_File_Direct_Ls));
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2010-07-22 09:08:17 -07:00
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if (!async) goto on_error;
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2010-07-23 04:00:44 -07:00
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async->filter_cb = filter_cb;
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async->main_cb = main_cb;
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async->ls.directory = eina_stringshare_add(dir);
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async->ls.common.done_cb = done_cb;
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async->ls.common.error_cb = error_cb;
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async->ls.common.data = data;
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async->ls.common.thread = ecore_long_run(_eio_file_direct_heavy,
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_eio_file_direct_notify,
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_eio_file_end,
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_eio_file_error,
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async,
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EINA_FALSE);
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if (!async->ls.common.thread) goto on_error;
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2010-07-22 09:08:17 -07:00
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2010-07-23 04:00:44 -07:00
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return &async->ls.common;
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2010-07-22 09:08:17 -07:00
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on_error:
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free(async);
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return NULL;
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}
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EAPI Eina_Bool
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2010-07-23 04:00:44 -07:00
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eio_file_cancel(Eio_File *ls)
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2010-07-22 09:08:17 -07:00
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{
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2010-07-23 04:00:44 -07:00
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return ecore_thread_cancel(ls->thread);
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2010-07-22 09:08:17 -07:00
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}
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