DSME_HANDLER(DSM_MSGTYPE_SET_BATTERY_STATE, conn, battery)
{
dsme_log(LOG_NOTICE,
PFIX"battery %s state received",
battery->empty ? "empty" : "not empty");
if (battery->empty) {
/* we have to shut down; first send the notification */
DSM_MSGTYPE_BATTERY_EMPTY_IND battery_empty_ind =
DSME_MSG_INIT(DSM_MSGTYPE_BATTERY_EMPTY_IND);
broadcast(&battery_empty_ind);
/* then set up a delayed shutdown */
if (!dsme_create_timer(DSME_BATTERY_EMPTY_SHUTDOWN_TIMER,
delayed_battery_empty_fn,
NULL))
{
dsme_log(LOG_ERR,
PFIX"Cannot create timer; battery empty shutdown immediately!");
delayed_battery_empty_fn(0);
} else {
dsme_log(LOG_CRIT,
PFIX"Battery empty shutdown in %d seconds",
DSME_BATTERY_EMPTY_SHUTDOWN_TIMER);
}
}
}
/**
* Request powerup
*/
void mce_dsme_request_powerup(void)
{
/* Set up the message */
DSM_MSGTYPE_POWERUP_REQ msg = DSME_MSG_INIT(DSM_MSGTYPE_POWERUP_REQ);
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_POWERUP_REQ");
}
static int delayed_shutdown_fn(void* unused)
{
DSM_MSGTYPE_SHUTDOWN msg = DSME_MSG_INIT(DSM_MSGTYPE_SHUTDOWN);
msg.runlevel = state2runlevel(current_state);
broadcast_internally(&msg);
return 0; /* stop the interval */
}
/**
* Send system state inquiry
*/
static void mce_dsme_query_system_state(void)
{
/* Set up the message */
DSM_MSGTYPE_STATE_QUERY msg = DSME_MSG_INIT(DSM_MSGTYPE_STATE_QUERY);
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_STATE_QUERY");
}
static gboolean send_dsme_empty(gpointer data G_GNUC_UNUSED)
{
DSM_MSGTYPE_SET_BATTERY_STATE msg =
DSME_MSG_INIT(DSM_MSGTYPE_SET_BATTERY_STATE);
msg.empty = 1;
if (!global_is_charging)
dsmesock_send(dsme_conn, &msg);
return FALSE;
}
static void send_emergency_call_status(bool ongoing)
{
DSM_MSGTYPE_SET_EMERGENCY_CALL_STATE msg =
DSME_MSG_INIT(DSM_MSGTYPE_SET_EMERGENCY_CALL_STATE);
msg.ongoing = ongoing;
broadcast_internally(&msg);
}
static void get_state(const DsmeDbusMessage* request, DsmeDbusMessage** reply)
{
// first create a reply and append it to the list of yet unsent replies
state_replies = g_slist_append(state_replies, dsme_dbus_reply_new(request));
// then proxy the query to the internal message queue
DSM_MSGTYPE_STATE_QUERY query = DSME_MSG_INIT(DSM_MSGTYPE_STATE_QUERY);
broadcast_internally(&query);
}
DSME_HANDLER(DSM_MSGTYPE_GET_VERSION, client, ind)
{
static const char* version = STRINGIFY(PRG_VERSION);
DSM_MSGTYPE_DSME_VERSION msg =
DSME_MSG_INIT(DSM_MSGTYPE_DSME_VERSION);
dsme_log(LOG_DEBUG, "version requested, sending '%s'", version);
endpoint_send_with_extra(client, &msg, strlen(version) + 1, version);
}
/**
* Send system state inquiry
*/
static void query_system_state(void)
{
/* Set up the message */
DSM_MSGTYPE_STATE_QUERY msg = DSME_MSG_INIT(DSM_MSGTYPE_STATE_QUERY);
/* Send the message */
mce_dsme_send(&msg);
mce_log(LL_DEBUG,
"DSM_MSGTYPE_STATE_QUERY sent to DSME");
}
/**
* Request powerup
*/
void request_powerup(void)
{
/* Set up the message */
DSM_MSGTYPE_POWERUP_REQ msg = DSME_MSG_INIT(DSM_MSGTYPE_POWERUP_REQ);
/* Send the message */
mce_dsme_send(&msg);
mce_log(LL_DEBUG,
"DSM_MSGTYPE_POWERUP_REQ sent to DSME");
}
static void subscribe_to_wakeup(void)
{
DSM_MSGTYPE_WAIT msg = DSME_MSG_INIT(DSM_MSGTYPE_WAIT);
msg.req.mintime = 24;
msg.req.maxtime = 30;
msg.req.pid = 0;
msg.data = 0;
broadcast_internally(&msg);
}
/**
* Register to DSME process watchdog
*/
static void mce_dsme_init_processwd(void)
{
/* Set up the message */
DSM_MSGTYPE_PROCESSWD_CREATE msg =
DSME_MSG_INIT(DSM_MSGTYPE_PROCESSWD_CREATE);
msg.pid = getpid();
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_PROCESSWD_CREATE");
}
/**
* Request reboot
*/
void request_reboot(void)
{
/* Set up the message */
DSM_MSGTYPE_REBOOT_REQ msg = DSME_MSG_INIT(DSM_MSGTYPE_REBOOT_REQ);
/* Send the message */
mce_dsme_send(&msg);
mce_log(LL_DEBUG,
"DSM_MSGTYPE_REBOOT_REQ sent to DSME");
}
DSME_HANDLER(DSM_MSGTYPE_STATE_QUERY, client, msg)
{
DSM_MSGTYPE_STATE_CHANGE_IND ind_msg =
DSME_MSG_INIT(DSM_MSGTYPE_STATE_CHANGE_IND);
dsme_log(LOG_DEBUG, PFIX"state_query, state: %s", state_name(current_state));
ind_msg.state = current_state;
endpoint_send(client, &ind_msg);
}
static void send_usb_status(bool mounted_to_pc)
{
DSM_MSGTYPE_SET_USB_STATE msg = DSME_MSG_INIT(DSM_MSGTYPE_SET_USB_STATE);
msg.mounted_to_pc = mounted_to_pc;
dsme_log(LOG_DEBUG,
"usbtracker: broadcasting usb state:%s mounted to PC",
msg.mounted_to_pc ? "" : " not");
broadcast_internally(&msg);
}
static void req_reboot(const DsmeDbusMessage* request, DsmeDbusMessage** reply)
{
char* sender = dsme_dbus_endpoint_name(request);
dsme_log(LOG_CRIT,
"reboot request received over D-Bus from %s",
sender ? sender : "(unknown)");
free(sender);
DSM_MSGTYPE_REBOOT_REQ req = DSME_MSG_INIT(DSM_MSGTYPE_REBOOT_REQ);
broadcast_internally(&req);
}
static void req_powerup(const DsmeDbusMessage* request, DsmeDbusMessage** reply)
{
char* sender = dsme_dbus_endpoint_name(request);
dsme_log(LOG_NOTICE,
"powerup request received over D-Bus from %s",
sender ? sender : "(unknown)");
free(sender);
DSM_MSGTYPE_POWERUP_REQ req = DSME_MSG_INIT(DSM_MSGTYPE_POWERUP_REQ);
broadcast_internally(&req);
}
/**
* Request normal shutdown
*/
void request_normal_shutdown(void)
{
/* Set up the message */
DSM_MSGTYPE_SHUTDOWN_REQ msg = DSME_MSG_INIT(DSM_MSGTYPE_SHUTDOWN_REQ);
/* Send the message */
mce_dsme_send(&msg);
mce_log(LL_DEBUG,
"DSM_MSGTYPE_SHUTDOWN_REQ (DSME_NORMAL_SHUTDOWN) "
"sent to DSME");
}
int send_kick_wd(void) {
int ret = 0;
DSM_MSGTYPE_HWWD_KICK msg =
DSME_MSG_INIT(DSM_MSGTYPE_HWWD_KICK);
ret = dsmesock_send(conn, &msg);
printf("Message sent to DSME!");
return ret;
}
void module_init(module_t* handle)
{
/* get dsme version so that we can report it over D-Bus if asked to */
DSM_MSGTYPE_GET_VERSION req = DSME_MSG_INIT(DSM_MSGTYPE_GET_VERSION);
broadcast_internally(&req);
/* Do not connect to D-Bus; it is probably not started yet.
* Instead, wait for DSM_MSGTYPE_DBUS_CONNECT.
*/
dsme_log(LOG_DEBUG, "libdbusproxy.so loaded");
}
static void send_charger_status(bool charger_state)
{
DSM_MSGTYPE_SET_CHARGER_STATE msg = DSME_MSG_INIT(DSM_MSGTYPE_SET_CHARGER_STATE);
msg.connected = charger_state;
dsme_log(LOG_DEBUG,
"usbtracker: broadcasting usb charger state:%s connected",
msg.connected ? "" : " not");
broadcast_internally(&msg);
}
static void deny_state_change_request(dsme_state_t denied_state,
const char* reason)
{
DSM_MSGTYPE_STATE_REQ_DENIED_IND ind =
DSME_MSG_INIT(DSM_MSGTYPE_STATE_REQ_DENIED_IND);
ind.state = denied_state;
broadcast_with_extra(&ind, strlen(reason) + 1, reason);
dsme_log(LOG_CRIT,
PFIX"%s denied due to: %s",
(denied_state == DSME_STATE_SHUTDOWN ? "shutdown" : "reboot"),
reason);
}
/**
* Unregister from DSME process watchdog
*/
static void mce_dsme_exit_processwd(void)
{
mce_log(LL_DEBUG,
"Disabling DSME process watchdog");
/* Set up the message */
DSM_MSGTYPE_PROCESSWD_DELETE msg =
DSME_MSG_INIT(DSM_MSGTYPE_PROCESSWD_DELETE);
msg.pid = getpid();
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_PROCESSWD_DELETE");
}
/**
* Send pong message to the DSME process watchdog
*/
static void mce_dsme_send_pong(void)
{
/* Set up the message */
DSM_MSGTYPE_PROCESSWD_PONG msg =
DSME_MSG_INIT(DSM_MSGTYPE_PROCESSWD_PONG);
msg.pid = getpid();
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_PROCESSWD_PONG");
/* Execute hearbeat actions even if ping-pong ipc failed */
execute_datapipe(&heartbeat_pipe, GINT_TO_POINTER(0),
USE_INDATA, DONT_CACHE_INDATA);
}
/**
* This function sends a message to clients to notify about state change.
* SAVE_DATA message is also sent when going down.
* @param state State that is being activated
*/
static void change_state(dsme_state_t new_state)
{
if (new_state == DSME_STATE_SHUTDOWN ||
new_state == DSME_STATE_ACTDEAD ||
new_state == DSME_STATE_REBOOT)
{
DSM_MSGTYPE_SAVE_DATA_IND save_msg =
DSME_MSG_INIT(DSM_MSGTYPE_SAVE_DATA_IND);
dsme_log(LOG_DEBUG, PFIX"sending SAVE_DATA");
broadcast(&save_msg);
}
DSM_MSGTYPE_STATE_CHANGE_IND ind_msg =
DSME_MSG_INIT(DSM_MSGTYPE_STATE_CHANGE_IND);
ind_msg.state = new_state;
dsme_log(LOG_DEBUG, PFIX"STATE_CHANGE_IND sent (%s)", state_name(new_state));
broadcast(&ind_msg);
dsme_log(LOG_NOTICE, PFIX"new state: %s", state_name(new_state));
current_state = new_state;
}
static void poweron_update_cb(void)
{
// update cal data without forcing write
pot_update_cal(in_user_mode, false);
// schedule the next update wakeup
DSM_MSGTYPE_WAIT msg = DSME_MSG_INIT(DSM_MSGTYPE_WAIT);
msg.req.mintime = 10;
msg.req.maxtime = 60;
msg.req.pid = 0;
msg.data = 0;
broadcast_internally(&msg);
}
static DBusHandlerResult
dsme_dbus_filter(DBusConnection *con, DBusMessage *msg, void *aptr)
{
FILE* f;
if( dbus_message_is_signal(msg, DBUS_INTERFACE_LOCAL, "Disconnected") ) {
dsme_log(LOG_CRIT, "Disconnected from system bus; rebooting");
/* mark failure and request reboot */
if ((f = fopen(DBUS_FAILED_FILE, "w+")) != NULL)
fclose(f);
DSM_MSGTYPE_REBOOT_REQ req = DSME_MSG_INIT(DSM_MSGTYPE_REBOOT_REQ);
broadcast_internally(&req);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
/**
* Request normal shutdown
*/
void mce_dsme_request_normal_shutdown(void)
{
if( datapipe_get_gint(update_mode_pipe) ) {
mce_log(LL_WARN, "shutdown blocked; os update in progress");
goto EXIT;
}
/* Set up the message */
DSM_MSGTYPE_SHUTDOWN_REQ msg = DSME_MSG_INIT(DSM_MSGTYPE_SHUTDOWN_REQ);
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_SHUTDOWN_REQ(DSME_NORMAL_SHUTDOWN)");
EXIT:
return;
}
/**
* Request reboot
*/
void mce_dsme_request_reboot(void)
{
if( datapipe_get_gint(update_mode_pipe) ) {
mce_log(LL_WARN, "reboot blocked; os update in progress");
goto EXIT;
}
/* Set up the message */
DSM_MSGTYPE_REBOOT_REQ msg = DSME_MSG_INIT(DSM_MSGTYPE_REBOOT_REQ);
/* Send the message */
mce_dsme_send(&msg, "DSM_MSGTYPE_REBOOT_REQ");
EXIT:
return;
}
/**
* Send pong message to the DSME process watchdog
*/
static void dsme_send_pong(void)
{
/* Set up the message */
DSM_MSGTYPE_PROCESSWD_PONG msg =
DSME_MSG_INIT(DSM_MSGTYPE_PROCESSWD_PONG);
msg.pid = getpid();
/* Send the message */
mce_dsme_send(&msg);
mce_log(LL_DEBUG,
"DSM_MSGTYPE_PROCESSWD_PONG sent to DSME");
execute_datapipe(&heartbeat_pipe, GINT_TO_POINTER(0),
USE_INDATA, DONT_CACHE_INDATA);
}