enlightenment/src/fs.c

186 lines
3.7 KiB
C

#include "e.h"
static EfsdConnection *ec = NULL;
static Evas_List fs_handlers = NULL;
static Evas_List fs_restart_handlers = NULL;
static pid_t efsd_pid = 0;
static void e_fs_child_handle(Eevent *ev);
static void _e_fs_fd_handle(int fd);
static void _e_fs_restarter(int val, void *data);
static void
e_fs_child_handle(Eevent *ev)
{
Ev_Child *e;
e = ev->event;
printf("child exit code %i pid %i, efsd pid = %i\n", e->exit_code, e->pid, efsd_pid);
if (e->pid == efsd_pid)
{
efsd_close(ec);
efsd_pid = 0;
ec = NULL;
printf("efsd exited.\n");
_e_fs_restarter(0, NULL);
}
}
static void
_e_fs_fd_handle(int fd)
{
double start, current;
/* printf("############## fs event...\n"); */
start = e_get_time();
while ((ec) && efsd_events_pending(ec))
{
EfsdEvent ev;
if (efsd_next_event(ec, &ev) >= 0)
{
Evas_List l;
for (l = fs_handlers; l; l = l->next)
{
void (*func) (EfsdEvent *ev);
func = l->data;
func(&ev);
}
efsd_event_cleanup(&ev);
}
else
{
efsd_close(ec);
e_del_event_fd(fd);
ec = NULL;
if (efsd_pid == -2)
_e_fs_restarter(0, NULL);
/* efsd_pid = 0;*/
/* FIXME: need to queue a popup dialog here saying */
/* efsd went wonky */
printf("EEEEEEEEEEK efsd went wonky\n");
/* _e_fs_restarter(0, NULL);*/
}
/* spent more thna 1/20th of a second here.. get out */
current = e_get_time();
if ((current - start) > 0.05)
{
printf("fs... too much time spent..\n");
break;
}
}
/* printf("############## fs done\n"); */
}
static void
_e_fs_restarter(int val, void *data)
{
if (ec) return;
printf("_e_fs_restarter %i\n", efsd_pid);
if (val > 0)
{
if (efsd_pid <= 0)
efsd_pid = e_exec_run("efsd -f");
if (efsd_pid > 0)
ec = efsd_open();
}
if (ec)
{
Evas_List l;
printf("connect!\n");
e_add_event_fd(efsd_get_connection_fd(ec), _e_fs_fd_handle);
for (l = fs_restart_handlers; l; l = l->next)
{
E_FS_Restarter *rs;
rs = l->data;
rs->func(rs->data);
}
}
else
{
double gap;
gap = (double)val / 10;
if (gap > 10.0) gap = 10.0;
e_add_event_timer("e_fs_restarter", gap, _e_fs_restarter, val + 1, NULL);
}
}
E_FS_Restarter *
e_fs_add_restart_handler(void (*func) (void *data), void *data)
{
E_FS_Restarter *rs;
rs = NEW(E_FS_Restarter, 1);
ZERO(rs, E_FS_Restarter, 1);
rs->func = func;
rs->data = data;
fs_restart_handlers = evas_list_append(fs_restart_handlers, rs);
}
void
e_fs_del_restart_handler(E_FS_Restarter *rs)
{
if (evas_list_find(fs_restart_handlers, rs))
{
fs_restart_handlers = evas_list_remove(fs_restart_handlers, rs);
FREE(rs);
}
}
void
e_fs_add_event_handler(void (*func) (EfsdEvent *ev))
{
if (!func) return;
fs_handlers = evas_list_append(fs_handlers, func);
}
void
e_fs_init(void)
{
int i;
e_event_filter_handler_add(EV_CHILD, e_fs_child_handle);
/* already have an efsd around? */
printf("try efsd initial open...\n");
ec = efsd_open();
/* no - efsd around */
if (!ec)
{
/* start efsd */
printf("start efsd...\n");
efsd_pid = e_exec_run("efsd -f");
if (efsd_pid > 0)
{
ec = efsd_open();
for (i = 0; (!ec) && (i < 15); i++)
{
sleep(1);
printf("try efsd open %i...\n", i, ec);
ec = efsd_open();
printf("(connection ptr: %p)\n", ec);
}
}
}
else
efsd_pid = -2;
/* after several atempts to talk to efsd - lets give up */
if (!ec)
{
fprintf(stderr, "efsd is not running !!!\n");
}
if (ec)
e_add_event_fd(efsd_get_connection_fd(ec), _e_fs_fd_handle);
}
EfsdConnection *
e_fs_get_connection(void)
{
return ec;
}