/
datapipe.c
1953 lines (1656 loc) · 63.3 KB
/
datapipe.c
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/**
* @file datapipe.c
* This file implements the sinmple datapipe framework;
* this can be used to filter data and to setup data triggers
* <p>
* Copyright © 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2014-2017 Jolla Ltd.
* <p>
* @author David Weinehall <david.weinehall@nokia.com>
* @author Simo Piiroinen <simo.piiroinen@jollamobile.com>
*
* mce is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* mce is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mce. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mce.h"
#include "mce-log.h"
#include "mce-lib.h"
#include <mce/mode-names.h>
#include <linux/input.h>
/* ========================================================================= *
* Macros
* ========================================================================= */
#define datapipe_init(datapipe, filtering, caching, datasize, value)\
datapipe_init_(&(datapipe), #datapipe, filtering, caching, datasize, value)
/* ========================================================================= *
* Prototypes
* ========================================================================= */
/* ------------------------------------------------------------------------- *
* DATAPIPE
* ------------------------------------------------------------------------- */
const char *datapipe_name (datapipe_t *const datapipe);
gpointer datapipe_value (datapipe_t *const datapipe);
static void datapipe_exec_input_triggers (datapipe_t *const datapipe, gpointer const indata, const datapipe_use_t use_cache);
static gconstpointer datapipe_exec_filters (datapipe_t *const datapipe, gpointer indata, const datapipe_use_t use_cache);
void datapipe_exec_output_triggers (const datapipe_t *const datapipe, gconstpointer indata, const datapipe_use_t use_cache);
gconstpointer datapipe_exec_full (datapipe_t *const datapipe, gpointer indata, const datapipe_use_t use_cache, const datapipe_cache_t cache_indata);
static void datapipe_add_filter (datapipe_t *const datapipe, gpointer (*filter)(gpointer data));
static void datapipe_remove_filter (datapipe_t *const datapipe, gpointer (*filter)(gpointer data));
static void datapipe_add_input_trigger (datapipe_t *const datapipe, void (*trigger)(gconstpointer data));
static void datapipe_remove_input_trigger (datapipe_t *const datapipe, void (*trigger)(gconstpointer data));
static void datapipe_add_output_trigger (datapipe_t *const datapipe, void (*trigger)(gconstpointer data));
static void datapipe_remove_output_trigger(datapipe_t *const datapipe, void (*trigger)(gconstpointer data));
static void datapipe_init_ (datapipe_t *const datapipe, const char *name, const datapipe_filtering_t read_only, const datapipe_data_t free_cache, const gsize datasize, gpointer initial_data);
static void datapipe_free (datapipe_t *const datapipe);
/* ------------------------------------------------------------------------- *
* MCE_DATAPIPE
* ------------------------------------------------------------------------- */
void mce_datapipe_init (void);
void mce_datapipe_quit (void);
static void mce_datapipe_install_handlers (datapipe_handler_t *bindings);
static void mce_datapipe_remove_handlers (datapipe_handler_t *bindings);
static void mce_datapipe_execute_handlers (datapipe_handler_t *bindings);
static gboolean mce_datapipe_execute_handlers_cb(gpointer aptr);
void mce_datapipe_init_bindings (datapipe_bindings_t *self);
void mce_datapipe_quit_bindings (datapipe_bindings_t *self);
/* ------------------------------------------------------------------------- *
* SUBMODE
* ------------------------------------------------------------------------- */
const char *submode_change_repr(submode_t prev, submode_t curr);
const char *submode_repr (submode_t submode);
/* ------------------------------------------------------------------------- *
* SYSTEM_STATE
* ------------------------------------------------------------------------- */
const char *system_state_repr(system_state_t state);
/* ------------------------------------------------------------------------- *
* DEVICELOCK_STATE
* ------------------------------------------------------------------------- */
const char *devicelock_state_repr(devicelock_state_t state);
/* ------------------------------------------------------------------------- *
* UIEXCEPTION_TYPE
* ------------------------------------------------------------------------- */
const char *uiexception_type_repr (uiexception_type_t type);
const char *uiexception_type_to_dbus(uiexception_type_t type);
/* ------------------------------------------------------------------------- *
* SERVICE_STATE
* ------------------------------------------------------------------------- */
const char *service_state_repr(service_state_t state);
/* ------------------------------------------------------------------------- *
* USB_CABLE_STATE
* ------------------------------------------------------------------------- */
const char *usb_cable_state_repr (usb_cable_state_t state);
const char *usb_cable_state_to_dbus(usb_cable_state_t state);
/* ------------------------------------------------------------------------- *
* CHARGER_STATE
* ------------------------------------------------------------------------- */
const char *charger_state_repr (charger_state_t state);
const char *charger_state_to_dbus(charger_state_t state);
/* ------------------------------------------------------------------------- *
* TKLOCK_REQUEST
* ------------------------------------------------------------------------- */
const char *tklock_request_repr(tklock_request_t state);
/* ------------------------------------------------------------------------- *
* TKLOCK_STATUS
* ------------------------------------------------------------------------- */
const char *tklock_status_repr(int status);
/* ------------------------------------------------------------------------- *
* BATTERY_STATUS
* ------------------------------------------------------------------------- */
const char *battery_status_repr (battery_status_t state);
const char *battery_status_to_dbus(battery_status_t state);
/* ------------------------------------------------------------------------- *
* ALARM_STATE
* ------------------------------------------------------------------------- */
const char *alarm_state_repr(alarm_ui_state_t state);
/* ------------------------------------------------------------------------- *
* CALL_STATE
* ------------------------------------------------------------------------- */
const char *call_state_to_dbus (call_state_t state);
call_state_t call_state_from_dbus(const char *name);
const char *call_state_repr (call_state_t state);
/* ------------------------------------------------------------------------- *
* CALL_TYPE
* ------------------------------------------------------------------------- */
const char *call_type_repr (call_type_t type);
call_type_t call_type_parse(const char *name);
/* ------------------------------------------------------------------------- *
* COVER_STATE
* ------------------------------------------------------------------------- */
const char *cover_state_repr(cover_state_t state);
/* ------------------------------------------------------------------------- *
* PROXIMITY_STATE
* ------------------------------------------------------------------------- */
const char *proximity_state_repr(cover_state_t state);
/* ------------------------------------------------------------------------- *
* DISPLAY_STATE
* ------------------------------------------------------------------------- */
const char *display_state_repr(display_state_t state);
/* ------------------------------------------------------------------------- *
* ORIENTATION_STATE
* ------------------------------------------------------------------------- */
const char *orientation_state_repr(orientation_state_t state);
/* ------------------------------------------------------------------------- *
* KEY_STATE
* ------------------------------------------------------------------------- */
const char *key_state_repr(key_state_t state);
/* ------------------------------------------------------------------------- *
* TRISTATE
* ------------------------------------------------------------------------- */
const char *tristate_repr(tristate_t state);
/* ------------------------------------------------------------------------- *
* FPSTATE
* ------------------------------------------------------------------------- */
fpstate_t fpstate_parse(const char *name);
const char *fpstate_repr (fpstate_t state);
/* ========================================================================= *
* Data
* ========================================================================= */
/* Available datapipes */
/** LED brightness */
datapipe_t led_brightness_pipe;
/** LPM brightness */
datapipe_t lpm_brightness_pipe;
/** State of device; read only */
datapipe_t device_inactive_pipe;
/** Device inactivity events; read only */
datapipe_t inactivity_event_pipe;
/** LED pattern to activate; read only */
datapipe_t led_pattern_activate_pipe;
/** LED pattern to deactivate; read only */
datapipe_t led_pattern_deactivate_pipe;
/** resumed from suspend notification; read only */
datapipe_t resume_detected_event_pipe;
/** Non-synthetized user activity; read only */
datapipe_t user_activity_event_pipe;
/** State of display; read only */
datapipe_t display_state_curr_pipe;
/** Desired state of display; write only */
datapipe_t display_state_request_pipe;
/** Next (non-transitional) state of display; read only */
datapipe_t display_state_next_pipe;
/** exceptional ui state; read write */
datapipe_t uiexception_type_pipe;
/**
* Display brightness;
* bits 0-7 is brightness in percent (0-100)
* upper 8 bits is high brightness boost (0-2)
*/
datapipe_t display_brightness_pipe;
/** Key backlight */
datapipe_t key_backlight_brightness_pipe;
/** A key has been pressed */
datapipe_t keypress_event_pipe;
/** Touchscreen activity took place */
datapipe_t touchscreen_event_pipe;
/** The lock-key has been pressed; read only */
datapipe_t lockkey_state_pipe;
/** The init-done condition has been reached; read only */
datapipe_t init_done_pipe;
/** Keyboard open/closed; read only */
datapipe_t keyboard_slide_state_pipe;
/** Keyboard available; read only */
datapipe_t keyboard_available_state_pipe;
/** Lid sensor is working state; read/write */
datapipe_t lid_sensor_is_working_pipe;
/** Lid cover sensor open/closed; read only */
datapipe_t lid_sensor_actual_pipe;
/** Lid cover policy state; read only */
datapipe_t lid_sensor_filtered_pipe;
/** Lens cover open/closed; read only */
datapipe_t lens_cover_state_pipe;
/** Proximity sensor; read only */
datapipe_t proximity_sensor_actual_pipe;
/** Ambient light sensor; read only */
datapipe_t light_sensor_actual_pipe;
/** Filtered ambient light level; read only */
datapipe_t light_sensor_filtered_pipe;
/** Temporary ambient light sensor enable; read/write */
datapipe_t light_sensor_poll_request_pipe;
/** Orientation sensor; read only */
datapipe_t orientation_sensor_actual_pipe;
/** The alarm UI state */
datapipe_t alarm_ui_state_pipe;
/** The device state; read only */
datapipe_t system_state_pipe;
/** Enable/disable radios */
datapipe_t master_radio_enabled_pipe;
/** The device submode */
datapipe_t submode_pipe;
/** The call state */
datapipe_t call_state_pipe;
/** The ignore incoming call "state".
*
* Note: Related actions happen when true is executed on the
* datapipe, but the cached value always remains at false.
*/
datapipe_t ignore_incoming_call_event_pipe;
/** The call type */
datapipe_t call_type_pipe;
/** The touchscreen/keypad lock state */
datapipe_t tklock_request_pipe;
/** UI side is in a state where user interaction is expected */
datapipe_t interaction_expected_pipe;
/** Charger state; read only */
datapipe_t charger_state_pipe;
/** Battery status; read only */
datapipe_t battery_status_pipe;
/** Battery charge level; read only */
datapipe_t battery_level_pipe;
/** Topmost window PID; read only */
datapipe_t topmost_window_pid_pipe;
/** Camera button; read only */
datapipe_t camera_button_state_pipe;
/** The inactivity timeout; read only */
datapipe_t inactivity_delay_pipe;
/** Audio routing state; read only */
datapipe_t audio_route_pipe;
/** USB cable has been connected/disconnected; read only */
datapipe_t usb_cable_state_pipe;
/** A jack connector has been connected/disconnected; read only */
datapipe_t jack_sense_state_pipe;
/** Power save mode is active; read only */
datapipe_t power_saving_mode_active_pipe;
/** Thermal state; read only */
datapipe_t thermal_state_pipe;
/** Heartbeat; read only */
datapipe_t heartbeat_event_pipe;
/** compositor availability; read only */
datapipe_t compositor_service_state_pipe;
/** lipstick availability; read only */
datapipe_t lipstick_service_state_pipe;
/** devicelock availability; read only */
datapipe_t devicelock_service_state_pipe;
/** usbmoded availability; read only */
datapipe_t usbmoded_service_state_pipe;
/** ngfd availability; read only */
datapipe_t ngfd_service_state_pipe;
/** Request ngfd event playing */
datapipe_t ngfd_event_request_pipe;
/** dsme availability; read only */
datapipe_t dsme_service_state_pipe;
/** bluez availability; read only */
datapipe_t bluez_service_state_pipe;
/** PackageKit Locked status; read only */
datapipe_t packagekit_locked_pipe;
/** Update mode active status; read only */
datapipe_t osupdate_running_pipe;
/** Shutting down; read only */
datapipe_t shutting_down_pipe;
/** Device Lock state; read only */
datapipe_t devicelock_state_pipe;
/** touchscreen input detected; read only */
datapipe_t touch_detected_pipe;
/** touchscreen input grab required; read/write */
datapipe_t touch_grab_wanted_pipe;
/** touchscreen input grab active; read only */
datapipe_t touch_grab_active_pipe;
/** keypad input grab required; read/write */
datapipe_t keypad_grab_wanted_pipe;
/** keypad input grab active; read only */
datapipe_t keypad_grab_active_pipe;
/** music playback active; read only */
datapipe_t music_playback_ongoing_pipe;
/** proximity blanking; read only */
datapipe_t proximity_blanked_pipe;
/** fingerprint daemon availability; read only */
datapipe_t fpd_service_state_pipe;
/** fingerprint daemon state; read only */
datapipe_t fpstate_pipe;
/** fingerprint is enrolling; read only */
datapipe_t enroll_in_progress_pipe;
/* ========================================================================= *
* Functions
* ========================================================================= */
/** Get name of datapipe
*
* @param datapipe The datapipe, or NULL
*
* @return datapipe name, or suitable placeholder value
*/
const char *
datapipe_name(datapipe_t *const datapipe)
{
const char *name = "invalid";
if( datapipe )
name = datapipe->dp_name ?: "unnamed";
return name;
}
/** Get value of datapipe
*
* @param datapipe The datapipe
*
* @return datapipe value, as void pointer
*/
gpointer
datapipe_value(datapipe_t *const datapipe)
{
return datapipe->dp_cached_data;
}
/**
* Execute the input triggers of a datapipe
*
* @param datapipe The datapipe to execute
* @param indata The input data to run through the datapipe
* @param use_cache DATAPIPE_USE_CACHED to use data from cache,
* DATAPIPE_USE_INDATA to use indata
* @param cache_indata DATAPIPE_CACHE_INDATA to cache the indata,
* DATAPIPE_CACHE_NOTHING to keep the old data
*/
static void
datapipe_exec_input_triggers(datapipe_t *const datapipe,
gpointer const indata,
const datapipe_use_t use_cache)
{
void (*trigger)(gconstpointer const input);
gpointer data;
gint i;
if (datapipe == NULL) {
/* Potential memory leak! */
mce_log(LL_ERR,
"datapipe_exec_input_triggers() called "
"without a valid datapipe");
goto EXIT;
}
data = (use_cache == DATAPIPE_USE_CACHED) ? datapipe->dp_cached_data : indata;
for (i = 0; (trigger = g_slist_nth_data(datapipe->dp_input_triggers,
i)) != NULL; i++) {
trigger(data);
}
EXIT:
return;
}
/**
* Execute the filters of a datapipe
*
* @param datapipe The datapipe to execute
* @param indata The input data to run through the datapipe
* @param use_cache DATAPIPE_USE_CACHED to use data from cache,
* DATAPIPE_USE_INDATA to use indata
* @return The processed data
*/
static gconstpointer
datapipe_exec_filters(datapipe_t *const datapipe,
gpointer indata,
const datapipe_use_t use_cache)
{
gpointer (*filter)(gpointer input);
gpointer data;
gconstpointer retval = NULL;
gint i;
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_exec_filters() called "
"without a valid datapipe");
goto EXIT;
}
data = (use_cache == DATAPIPE_USE_CACHED) ? datapipe->dp_cached_data : indata;
for (i = 0; (filter = g_slist_nth_data(datapipe->dp_filters,
i)) != NULL; i++) {
gpointer tmp = filter(data);
if( datapipe->dp_free_cache == DATAPIPE_DATA_DYNAMIC ) {
/* When dealing with dynamic data, the transitional
* values need to be released - except for the value
* that is cached at the datapipe
*/
if( tmp != data && data != datapipe->dp_cached_data )
g_free(data);
}
data = tmp;
}
retval = data;
EXIT:
return retval;
}
/**
* Execute the output triggers of a datapipe
*
* @param datapipe The datapipe to execute
* @param indata The input data to run through the datapipe
* @param use_cache DATAPIPE_USE_CACHED to use data from cache,
* DATAPIPE_USE_INDATA to use indata
*/
void datapipe_exec_output_triggers(const datapipe_t *const datapipe,
gconstpointer indata,
const datapipe_use_t use_cache)
{
void (*trigger)(gconstpointer input);
gconstpointer data;
gint i;
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_exec_output_triggers() called "
"without a valid datapipe");
goto EXIT;
}
data = (use_cache == DATAPIPE_USE_CACHED) ? datapipe->dp_cached_data : indata;
for (i = 0; (trigger = g_slist_nth_data(datapipe->dp_output_triggers,
i)) != NULL; i++) {
trigger(data);
}
EXIT:
return;
}
/**
* Execute the datapipe
*
* @param datapipe The datapipe to execute
* @param indata The input data to run through the datapipe
* @param use_cache DATAPIPE_USE_CACHED to use data from cache,
* DATAPIPE_USE_INDATA to use indata
* @param cache_indata DATAPIPE_CACHE_INDATA to cache the indata,
* DATAPIPE_CACHE_NOTHING to keep the old data
* @return The processed data
*/
gconstpointer datapipe_exec_full(datapipe_t *const datapipe,
gpointer indata,
const datapipe_use_t use_cache,
const datapipe_cache_t cache_indata)
{
gconstpointer outdata = NULL;
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_exec_full() called "
"without a valid datapipe");
goto EXIT;
}
/* Determine input value */
if( use_cache == DATAPIPE_USE_CACHED )
indata = datapipe->dp_cached_data;
/* Optionally cache the value at the input stage */
if( cache_indata & (DATAPIPE_CACHE_INDATA|DATAPIPE_CACHE_OUTDATA) ) {
if( datapipe->dp_free_cache == DATAPIPE_DATA_DYNAMIC &&
datapipe->dp_cached_data != indata )
g_free(datapipe->dp_cached_data);
datapipe->dp_cached_data = indata;
}
/* Execute input value callbacks */
datapipe_exec_input_triggers(datapipe, indata, DATAPIPE_USE_INDATA);
/* Determine output value */
if (datapipe->dp_read_only == DATAPIPE_FILTERING_DENIED) {
outdata = indata;
} else {
outdata = datapipe_exec_filters(datapipe, indata, DATAPIPE_USE_INDATA);
}
/* Optionally cache the value at the output stage */
if( cache_indata & DATAPIPE_CACHE_OUTDATA ) {
if( datapipe->dp_free_cache == DATAPIPE_DATA_DYNAMIC &&
datapipe->dp_cached_data != outdata )
g_free(datapipe->dp_cached_data);
datapipe->dp_cached_data = (gpointer)outdata;
}
/* Execute output value callbacks */
datapipe_exec_output_triggers(datapipe, outdata, DATAPIPE_USE_INDATA);
EXIT:
return outdata;
}
/**
* Append a filter to an existing datapipe
*
* @param datapipe The datapipe to manipulate
* @param filter The filter to add to the datapipe
*/
static void
datapipe_add_filter(datapipe_t *const datapipe,
gpointer (*filter)(gpointer data))
{
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_add_filter() called "
"without a valid datapipe");
goto EXIT;
}
if (filter == NULL) {
mce_log(LL_ERR,
"datapipe_add_filter() called "
"without a valid filter");
goto EXIT;
}
if (datapipe->dp_read_only == DATAPIPE_FILTERING_DENIED) {
mce_log(LL_ERR,
"datapipe_add_filter() called "
"on read only datapipe");
goto EXIT;
}
datapipe->dp_filters = g_slist_append(datapipe->dp_filters, filter);
EXIT:
return;
}
/**
* Remove a filter from an existing datapipe
* Non-existing filters are ignored
*
* @param datapipe The datapipe to manipulate
* @param filter The filter to remove from the datapipe
*/
static void
datapipe_remove_filter(datapipe_t *const datapipe,
gpointer (*filter)(gpointer data))
{
guint oldlen;
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_remove_filter() called "
"without a valid datapipe");
goto EXIT;
}
if (filter == NULL) {
mce_log(LL_ERR,
"datapipe_remove_filter() called "
"without a valid filter");
goto EXIT;
}
if (datapipe->dp_read_only == DATAPIPE_FILTERING_DENIED) {
mce_log(LL_ERR,
"datapipe_remove_filter() called "
"on read only datapipe");
goto EXIT;
}
oldlen = g_slist_length(datapipe->dp_filters);
datapipe->dp_filters = g_slist_remove(datapipe->dp_filters, filter);
/* Did we remove any entry? */
if (oldlen == g_slist_length(datapipe->dp_filters)) {
mce_log(LL_DEBUG,
"Trying to remove non-existing filter");
goto EXIT;
}
EXIT:
return;
}
/**
* Append an input trigger to an existing datapipe
*
* @param datapipe The datapipe to manipulate
* @param trigger The trigger to add to the datapipe
*/
static void
datapipe_add_input_trigger(datapipe_t *const datapipe,
void (*trigger)(gconstpointer data))
{
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_add_input_trigger() called "
"without a valid datapipe");
goto EXIT;
}
if (trigger == NULL) {
mce_log(LL_ERR,
"datapipe_add_input_trigger() called "
"without a valid trigger");
goto EXIT;
}
datapipe->dp_input_triggers = g_slist_append(datapipe->dp_input_triggers,
trigger);
EXIT:
return;
}
/**
* Remove an input trigger from an existing datapipe
* Non-existing triggers are ignored
*
* @param datapipe The datapipe to manipulate
* @param trigger The trigger to remove from the datapipe
*/
static void
datapipe_remove_input_trigger(datapipe_t *const datapipe,
void (*trigger)(gconstpointer data))
{
guint oldlen;
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_remove_input_trigger() called "
"without a valid datapipe");
goto EXIT;
}
if (trigger == NULL) {
mce_log(LL_ERR,
"datapipe_remove_input_trigger() called "
"without a valid trigger");
goto EXIT;
}
oldlen = g_slist_length(datapipe->dp_input_triggers);
datapipe->dp_input_triggers = g_slist_remove(datapipe->dp_input_triggers,
trigger);
/* Did we remove any entry? */
if (oldlen == g_slist_length(datapipe->dp_input_triggers)) {
mce_log(LL_DEBUG,
"Trying to remove non-existing input trigger");
goto EXIT;
}
EXIT:
return;
}
/**
* Append an output trigger to an existing datapipe
*
* @param datapipe The datapipe to manipulate
* @param trigger The trigger to add to the datapipe
*/
static void
datapipe_add_output_trigger(datapipe_t *const datapipe,
void (*trigger)(gconstpointer data))
{
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_add_output_trigger() called "
"without a valid datapipe");
goto EXIT;
}
if (trigger == NULL) {
mce_log(LL_ERR,
"datapipe_add_output_trigger() called "
"without a valid trigger");
goto EXIT;
}
datapipe->dp_output_triggers = g_slist_append(datapipe->dp_output_triggers,
trigger);
EXIT:
return;
}
/**
* Remove an output trigger from an existing datapipe
* Non-existing triggers are ignored
*
* @param datapipe The datapipe to manipulate
* @param trigger The trigger to remove from the datapipe
*/
static void
datapipe_remove_output_trigger(datapipe_t *const datapipe,
void (*trigger)(gconstpointer data))
{
guint oldlen;
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_remove_output_trigger() called "
"without a valid datapipe");
goto EXIT;
}
if (trigger == NULL) {
mce_log(LL_ERR,
"datapipe_remove_output_trigger() called "
"without a valid trigger");
goto EXIT;
}
oldlen = g_slist_length(datapipe->dp_output_triggers);
datapipe->dp_output_triggers = g_slist_remove(datapipe->dp_output_triggers,
trigger);
/* Did we remove any entry? */
if (oldlen == g_slist_length(datapipe->dp_output_triggers)) {
mce_log(LL_DEBUG,
"Trying to remove non-existing output trigger");
goto EXIT;
}
EXIT:
return;
}
/**
* Initialise a datapipe
*
* @param datapipe The datapipe to manipulate
* @param read_only DATAPIPE_FILTERING_DENIED if the datapipe is read only,
* DATAPIPE_FILTERING_ALLOWED if it's read/write
* @param free_cache DATAPIPE_DATA_DYNAMIC if the cached data needs to be freed,
* DATAPIPE_DATA_LITERAL if the cache data should not be freed
* @param datasize Pass size of memory to copy,
* or 0 if only passing pointers or data as pointers
* @param initial_data Initial cache content
*/
static void
datapipe_init_(datapipe_t *const datapipe,
const char *name,
const datapipe_filtering_t read_only,
const datapipe_data_t free_cache,
const gsize datasize, gpointer initial_data)
{
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_init() called "
"without a valid datapipe");
goto EXIT;
}
datapipe->dp_name = name;
datapipe->dp_filters = NULL;
datapipe->dp_input_triggers = NULL;
datapipe->dp_output_triggers = NULL;
datapipe->dp_datasize = datasize;
datapipe->dp_read_only = read_only;
datapipe->dp_free_cache = free_cache;
datapipe->dp_cached_data = initial_data;
EXIT:
return;
}
/**
* Deinitialize a datapipe
*
* @param datapipe The datapipe to manipulate
*/
static void
datapipe_free(datapipe_t *const datapipe)
{
if (datapipe == NULL) {
mce_log(LL_ERR,
"datapipe_free() called "
"without a valid datapipe");
goto EXIT;
}
/* Warn about still registered filters/triggers */
if (datapipe->dp_filters != NULL) {
mce_log(LL_INFO,
"datapipe_free() called on a datapipe that "
"still has registered filter(s)");
}
if (datapipe->dp_input_triggers != NULL) {
mce_log(LL_INFO,
"datapipe_free() called on a datapipe that "
"still has registered input_trigger(s)");
}
if (datapipe->dp_output_triggers != NULL) {
mce_log(LL_INFO,
"datapipe_free() called on a datapipe that "
"still has registered output_trigger(s)");
}
if (datapipe->dp_free_cache == DATAPIPE_DATA_DYNAMIC) {
g_free(datapipe->dp_cached_data);
}
EXIT:
return;
}
/** Setup all datapipes
*/
void mce_datapipe_init(void)
{
datapipe_init(system_state_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(MCE_SYSTEM_STATE_UNDEF));
datapipe_init(master_radio_enabled_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(FALSE));
datapipe_init(call_state_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(CALL_STATE_NONE));
datapipe_init(ignore_incoming_call_event_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(false));
datapipe_init(call_type_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(CALL_TYPE_NORMAL));
datapipe_init(alarm_ui_state_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(MCE_ALARM_UI_INVALID_INT32));
datapipe_init(submode_pipe, DATAPIPE_FILTERING_ALLOWED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(MCE_SUBMODE_NORMAL));
datapipe_init(display_state_curr_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(MCE_DISPLAY_UNDEF));
datapipe_init(display_state_request_pipe, DATAPIPE_FILTERING_ALLOWED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(MCE_DISPLAY_UNDEF));
datapipe_init(display_state_next_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(MCE_DISPLAY_UNDEF));
datapipe_init(uiexception_type_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(UIEXCEPTION_TYPE_NONE));
datapipe_init(display_brightness_pipe, DATAPIPE_FILTERING_ALLOWED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(3));
datapipe_init(led_brightness_pipe, DATAPIPE_FILTERING_ALLOWED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(0));
datapipe_init(lpm_brightness_pipe, DATAPIPE_FILTERING_ALLOWED, DATAPIPE_DATA_LITERAL,
0, GINT_TO_POINTER(0));
datapipe_init(led_pattern_activate_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_DYNAMIC,
0, NULL);
datapipe_init(resume_detected_event_pipe, DATAPIPE_FILTERING_DENIED, DATAPIPE_DATA_LITERAL,