179 lines
3.4 KiB
C
179 lines
3.4 KiB
C
#include "fs.h"
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#include "exec.h"
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static EfsdConnection *ec = NULL;
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static Evas_List fs_handlers = NULL;
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static Evas_List fs_restart_handlers = NULL;
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static pid_t efsd_pid = 0;
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static void e_fs_child_handle(Eevent *ev);
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static void _e_fs_fd_handle(int fd);
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static void _e_fs_restarter(int val, void *data);
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static void e_fs_idle(void *data);
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static void e_fs_flush_timeout(int val, void *data);
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static void
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e_fs_flush_timeout(int val, void *data)
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{
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if (!ec) return;
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if (efsd_commands_pending(ec) > 0)
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{
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if (efsd_flush(ec) > 0)
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e_add_event_timer("e_fs_flush_timeout()",
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0.05, e_fs_flush_timeout, 0, NULL);
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}
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UN(data);
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UN(val);
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}
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static void
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e_fs_idle(void *data)
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{
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e_fs_flush_timeout(0, NULL);
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UN(data);
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}
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static void
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e_fs_child_handle(Eevent *ev)
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{
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Ev_Child *e;
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e = ev->event;
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printf("pid went splat! (%i)\n", e->pid);
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if (e->pid == efsd_pid)
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{
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printf("it was efsd!\n");
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if (ec) efsd_close(ec);
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ec = NULL;
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efsd_pid = 0;
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_e_fs_restarter(1, NULL);
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}
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}
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static void
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_e_fs_fd_handle(int fd)
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{
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double start, current;
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start = e_get_time();
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while ((ec) && efsd_events_pending(ec))
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{
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EfsdEvent ev;
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if (efsd_next_event(ec, &ev) >= 0)
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{
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Evas_List l;
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for (l = fs_handlers; l; l = l->next)
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{
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void (*func) (EfsdEvent *ev);
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func = l->data;
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func(&ev);
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}
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efsd_event_cleanup(&ev);
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}
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else
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{
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efsd_close(ec);
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e_del_event_fd(fd);
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ec = NULL;
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_e_fs_restarter(0, NULL);
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/* FIXME: need to queue a popup dialog here saying */
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/* efsd went wonky */
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printf("EEEEEEEEEEK efsd went wonky. Bye bye efsd.\n");
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}
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/* spent more thna 1/20th of a second here.. get out */
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current = e_get_time();
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if ((current - start) > 0.05)
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{
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printf("fs... too much time spent..\n");
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break;
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}
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}
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}
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static void
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_e_fs_restarter(int val, void *data)
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{
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if (ec) return;
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ec = efsd_open();
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printf("restart efsd...\n");
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if ((!ec) && (val > 0))
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{
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if (efsd_pid <= 0)
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{
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efsd_pid = e_exec_run("efsd -f");
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printf("launch efsd... %i\n", efsd_pid);
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}
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if (efsd_pid > 0) ec = efsd_open();
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}
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if (ec)
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{
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Evas_List l;
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e_add_event_fd(efsd_get_connection_fd(ec), _e_fs_fd_handle);
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for (l = fs_restart_handlers; l; l = l->next)
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{
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E_FS_Restarter *rs;
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rs = l->data;
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rs->func(rs->data);
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}
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}
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else
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{
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double gap;
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gap = (double)val / 10;
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if (gap > 10.0) gap = 10.0;
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e_add_event_timer("e_fs_restarter", gap, _e_fs_restarter, val + 1, NULL);
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}
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UN(data);
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}
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E_FS_Restarter *
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e_fs_add_restart_handler(void (*func) (void *data), void *data)
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{
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E_FS_Restarter *rs;
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rs = NEW(E_FS_Restarter, 1);
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ZERO(rs, E_FS_Restarter, 1);
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rs->func = func;
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rs->data = data;
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fs_restart_handlers = evas_list_append(fs_restart_handlers, rs);
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return rs;
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}
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void
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e_fs_del_restart_handler(E_FS_Restarter *rs)
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{
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if (evas_list_find(fs_restart_handlers, rs))
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{
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fs_restart_handlers = evas_list_remove(fs_restart_handlers, rs);
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FREE(rs);
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}
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}
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void
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e_fs_add_event_handler(void (*func) (EfsdEvent *ev))
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{
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if (!func) return;
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fs_handlers = evas_list_append(fs_handlers, func);
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}
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void
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e_fs_init(void)
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{
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e_event_filter_handler_add(EV_CHILD, e_fs_child_handle);
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_e_fs_restarter(0, NULL);
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}
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EfsdConnection *
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e_fs_get_connection(void)
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{
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return ec;
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}
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