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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <Ecore.h>
#include "ecore_private.h"
#define MY_CLASS EFL_LOOP_FD_CLASS
typedef struct _Efl_Loop_Fd_Data Efl_Loop_Fd_Data;
struct _Efl_Loop_Fd_Data
{
Ecore_Fd_Handler *handler;
struct {
unsigned int read;
unsigned int write;
unsigned int error;
} references;
int fd;
Eina_Bool file : 1;
};
static Eina_Bool
_efl_loop_fd_read_cb(void *data, Ecore_Fd_Handler *fd_handler)
{
Eo *obj = data;
if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_READ))
{
efl_event_callback_call(obj, EFL_LOOP_FD_EVENT_READ, NULL);
}
if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_WRITE))
{
efl_event_callback_call(obj, EFL_LOOP_FD_EVENT_WRITE, NULL);
}
if (ecore_main_fd_handler_active_get(fd_handler, ECORE_FD_ERROR))
{
efl_event_callback_call(obj, EFL_LOOP_FD_EVENT_ERROR, NULL);
}
return ECORE_CALLBACK_RENEW;
}
static void
_efl_loop_fd_reset(Eo *obj, Efl_Loop_Fd_Data *pd)
{
int flags = 0;
if (pd->fd < 0)
{
if (pd->handler)
{
ecore_main_fd_handler_del(pd->handler);
pd->handler = NULL;
}
return;
}
flags |= pd->references.read > 0 ? ECORE_FD_READ : 0;
flags |= pd->references.write > 0 ? ECORE_FD_WRITE : 0;
flags |= pd->references.error > 0 ? ECORE_FD_ERROR : 0;
if (flags == 0)
{
if (pd->handler)
{
ecore_main_fd_handler_del(pd->handler);
pd->handler = NULL;
}
return;
}
if (pd->handler)
ecore_main_fd_handler_active_set(pd->handler, flags);
else if (pd->file)
pd->handler = ecore_main_fd_handler_file_add(pd->fd, flags, _efl_loop_fd_read_cb, obj, NULL, NULL);
else
pd->handler = ecore_main_fd_handler_add(pd->fd, flags, _efl_loop_fd_read_cb, obj, NULL, NULL);
}
static void
_efl_loop_fd_fd_set(Eo *obj, Efl_Loop_Fd_Data *pd, int fd)
{
pd->fd = fd;
pd->file = EINA_FALSE;
_efl_loop_fd_reset(obj, pd);
}
static int
_efl_loop_fd_fd_get(Eo *obj EINA_UNUSED, Efl_Loop_Fd_Data *pd)
{
return pd->file ? -1 : pd->fd;
}
static void
_efl_loop_fd_fd_file_set(Eo *obj, Efl_Loop_Fd_Data *pd, int fd)
{
pd->fd = fd;
pd->file = EINA_TRUE;
_efl_loop_fd_reset(obj, pd);
}
static int
_efl_loop_fd_fd_file_get(Eo *obj EINA_UNUSED, Efl_Loop_Fd_Data *pd)
{
return pd->file ? pd->fd : -1;
}
static void
_check_fd_event_catcher_add(void *data, const Efl_Event *event)
{
const Efl_Callback_Array_Item *array = event->info;
Efl_Loop_Fd_Data *fd = data;
Eina_Bool need_reset = EINA_FALSE;
int i;
for (i = 0; array[i].desc != NULL; i++)
{
if (array[i].desc == EFL_LOOP_FD_EVENT_READ)
{
if (fd->references.read++ > 0) continue;
need_reset = EINA_TRUE;
}
else if (array[i].desc == EFL_LOOP_FD_EVENT_WRITE)
{
if (fd->references.write++ > 0) continue;
need_reset = EINA_TRUE;
}
if (array[i].desc == EFL_LOOP_FD_EVENT_ERROR)
{
if (fd->references.error++ > 0) continue;
need_reset = EINA_TRUE;
}
}
if (need_reset)
_efl_loop_fd_reset(event->object, fd);
}
static void
_check_fd_event_catcher_del(void *data, const Efl_Event *event)
{
const Efl_Callback_Array_Item *array = event->info;
Efl_Loop_Fd_Data *fd = data;
Eina_Bool need_reset = EINA_FALSE;
int i;
for (i = 0; array[i].desc != NULL; i++)
{
if (array[i].desc == EFL_LOOP_FD_EVENT_READ)
{
if (fd->references.read-- > 1) continue;
need_reset = EINA_TRUE;
}
else if (array[i].desc == EFL_LOOP_FD_EVENT_WRITE)
{
if (fd->references.write-- > 1) continue;
need_reset = EINA_TRUE;
}
if (array[i].desc == EFL_LOOP_FD_EVENT_ERROR)
{
if (fd->references.error-- > 1) continue;
need_reset = EINA_TRUE;
}
}
if (need_reset)
_efl_loop_fd_reset(event->object, fd);
}
EFL_CALLBACKS_ARRAY_DEFINE(fd_watch,
{ EFL_EVENT_CALLBACK_ADD, _check_fd_event_catcher_add },
{ EFL_EVENT_CALLBACK_DEL, _check_fd_event_catcher_del });
static Efl_Object *
_efl_loop_fd_efl_object_constructor(Eo *obj, Efl_Loop_Fd_Data *pd)
{
efl_constructor(efl_super(obj, MY_CLASS));
efl_event_callback_array_add(obj, fd_watch(), pd);
pd->fd = -1;
return obj;
}
static void
_efl_loop_fd_efl_object_parent_set(Eo *obj, Efl_Loop_Fd_Data *pd, Efl_Object *parent)
{
if (pd->handler) ecore_main_fd_handler_del(pd->handler);
pd->handler = NULL;
efl_parent_set(efl_super(obj, MY_CLASS), parent);
if (parent == NULL) return ;
_efl_loop_fd_reset(obj, pd);
}
static void
_efl_loop_fd_efl_object_destructor(Eo *obj, Efl_Loop_Fd_Data *pd)
{
efl_destructor(efl_super(obj, MY_CLASS));
ecore_main_fd_handler_del(pd->handler);
}
#include "efl_loop_fd.eo.c"
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