Add start of ACPI code. Does not actually parse yet tho.

Add e_acpi_init to startup (it safely returns if acpid is not running).
Fix some formatting in e_main.



SVN revision: 48910

src/bin/Makefile.am

@@ -167,7 +167,8 @@ e_slidecore.h \
 e_widget_flist.h \
 e_scale.h \
 e_widget_toolbar.h \
-e_widget_toolbook.h
+e_widget_toolbook.h \
+e_acpi.h
 
 enlightenment_src = \
 e_user.c \
@@ -305,6 +306,7 @@ e_widget_flist.c \
 e_scale.c \
 e_widget_toolbar.c \
 e_widget_toolbook.c \
+e_acpi.c \
 $(ENLIGHTENMENTHEADERS)
 
 enlightenment_SOURCES = \

src/bin/e_acpi.c

@@ -0,0 +1,129 @@
+#include "e.h"
+
+/* local function prototypes */
+static int _e_acpi_cb_server_del(void *data __UNUSED__, int type __UNUSED__, void *event);
+static int _e_acpi_cb_server_data(void *data __UNUSED__, int type __UNUSED__, void *event);
+static void _e_acpi_cb_event_free(void *data __UNUSED__, void *event);
+
+/* local variables */
+static Ecore_Con_Server *_e_acpid = NULL;
+static Eina_List *_e_acpid_hdls = NULL;
+
+/* public variables */
+EAPI int E_EVENT_ACPI_LID = 0;
+EAPI int E_EVENT_ACPI_BATTERY = 0;
+EAPI int E_EVENT_ACPI_BUTTON = 0;
+EAPI int E_EVENT_ACPI_SLEEP = 0;
+EAPI int E_EVENT_ACPI_WIFI = 0;
+
+/* public functions */
+EAPI int 
+e_acpi_init(void) 
+{
+   E_EVENT_ACPI_LID = ecore_event_type_new();
+   E_EVENT_ACPI_BATTERY = ecore_event_type_new();
+   E_EVENT_ACPI_BUTTON = ecore_event_type_new();
+   E_EVENT_ACPI_SLEEP = ecore_event_type_new();
+   E_EVENT_ACPI_WIFI = ecore_event_type_new();
+
+   /* check for running acpid */
+   if (!ecore_file_exists("/var/run/acpid.socket")) return 1;
+
+   /* try to connect to acpid socket */
+   _e_acpid = ecore_con_server_connect(ECORE_CON_LOCAL_SYSTEM, 
+				       "/var/run/acpid.socket", -1, NULL);
+   if (!_e_acpid) return 1;
+
+   /* setup handlers */
+   _e_acpid_hdls = 
+     eina_list_append(_e_acpid_hdls, 
+		      ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DEL, 
+					      _e_acpi_cb_server_del, NULL));
+   _e_acpid_hdls = 
+     eina_list_append(_e_acpid_hdls, 
+		      ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DATA, 
+					      _e_acpi_cb_server_data, NULL));
+   return 1;
+}
+
+EAPI int 
+e_acpi_shutdown(void) 
+{
+   Ecore_Event_Handler *hdl;
+
+   /* cleanup event handlers */
+   EINA_LIST_FREE(_e_acpid_hdls, hdl)
+     ecore_event_handler_del(hdl);
+
+   /* kill the server if existing */
+   if (_e_acpid) ecore_con_server_del(_e_acpid);
+   _e_acpid = NULL;
+   return 1;
+}
+
+/* local functions */
+static int 
+_e_acpi_cb_server_del(void *data __UNUSED__, int type __UNUSED__, void *event) 
+{
+   Ecore_Con_Event_Server_Del *ev;
+   Ecore_Event_Handler *hdl;
+
+   ev = event;
+   if (ev->server != _e_acpid) return 1;
+
+   /* cleanup event handlers */
+   EINA_LIST_FREE(_e_acpid_hdls, hdl)
+     ecore_event_handler_del(hdl);
+
+   /* kill the server if existing */
+   if (_e_acpid) ecore_con_server_del(_e_acpid);
+   _e_acpid = NULL;
+   return 1;
+}
+
+static int 
+_e_acpi_cb_server_data(void *data __UNUSED__, int type __UNUSED__, void *event) 
+{
+   Ecore_Con_Event_Server_Data *ev;
+   int res;
+
+   ev = event;
+
+   res = fwrite(ev->data, ev->size, 1, stdout);
+   printf("\n");
+
+   /* TODO: Need to parse this data and raise events according to
+    * the type of acpi object. See ACPI notes below */
+
+   /* raise the event
+
+   E_Event_Acpi *acpi_event;
+
+   acpi_event = E_NEW(E_Event_Acpi, 1);
+   acpi_event->device = "battery";
+   acpi_event->bus_id = "BAT0";
+   acpi_event->event_type = "BATTERY_STATUS_CHANGED"; // make these standard E_ACPI enums
+   acpi_event->event_data = 1; //  change to something more meaningful
+   ecore_event_add(E_EVENT_ACPI_LID, acpi_event, _e_acpi_cb_event_free, NULL);
+    */
+
+   return 1;
+}
+
+static void 
+_e_acpi_cb_event_free(void *data __UNUSED__, void *event) 
+{
+   E_FREE(event);
+}
+
+
+/* ACPI NOTES
+ *
+ * http://www.columbia.edu/~ariel/acpi/acpi_howto.txt (Section 6.4)
+ *
+ * Typical data looks like:
+ *  completed event "processor CPU0 00000080 00000004"
+ *  received event "ac_adapter AC 00000080 00000001"
+ *  received event "battery BAT0 00000080 00000001"
+ *  received event "button/power PBTN 00000080 00000001"
+ */

src/bin/e_acpi.h

@@ -0,0 +1,37 @@
+#ifdef E_TYPEDEFS
+
+/* enum for various event types */
+typedef enum _E_Acpi_Type 
+{
+   E_ACPI_TYPE_UNKNOWN = 0,
+   E_ACPI_TYPE_LID,
+   E_ACPI_TYPE_BATTERY,
+   E_ACPI_TYPE_BUTTON,
+   E_ACPI_TYPE_SLEEP,
+   E_ACPI_TYPE_WIFI
+} E_Acpi_Type;
+
+/* struct used to pass to event handlers */
+typedef struct _E_Event_Acpi E_Event_Acpi;
+
+#else
+# ifndef E_ACPI_H
+#  define E_ACPI_H
+
+struct _E_Event_Acpi 
+{
+   void *data;
+   int size;
+};
+
+EAPI int e_acpi_init(void);
+EAPI int e_acpi_shutdown(void);
+
+extern EAPI int E_EVENT_ACPI_LID;
+extern EAPI int E_EVENT_ACPI_BATTERY;
+extern EAPI int E_EVENT_ACPI_BUTTON;
+extern EAPI int E_EVENT_ACPI_SLEEP;
+extern EAPI int E_EVENT_ACPI_WIFI;
+
+# endif
+#endif

src/bin/e_includes.h

@@ -138,3 +138,4 @@
 #include "e_scale.h"
 #include "e_widget_toolbar.h"
 #include "e_widget_toolbook.h"
+#include "e_acpi.h"

src/bin/e_main.c

@@ -775,7 +775,7 @@ main(int argc, char **argv)
      }
    _e_main_shutdown_push(e_popup_shutdown);
 
-   if (locked && ((!e_config->show_splash) && (!after_restart)))
+   if ((locked) && ((!e_config->show_splash) && (!after_restart)))
      e_desklock_show();
 
    TS("msgbus");
@@ -923,6 +923,13 @@ main(int argc, char **argv)
      }
    _e_main_shutdown_push(e_gadcon_shutdown);
 
+   e_init_status_set(_("Setup ACPI"));
+   TS("acpi");
+   /* acpi init will never fail. It always returns one even if acpid 
+    * is not running, so no need to trap the return */
+   e_acpi_init();
+   _e_main_shutdown_push(e_acpi_shutdown);
+
    e_init_status_set(_("Setup DPMS"));
    TS("dpms");     
    /* setup dpms */