Imported Upstream version 2.4.3
This commit is contained in:
commit
26fb71b504
446 changed files with 148951 additions and 0 deletions
700
drivers/dstate-hal.c
Normal file
700
drivers/dstate-hal.c
Normal file
|
|
@ -0,0 +1,700 @@
|
|||
/* dstate-hal.c - Network UPS Tools driver-side state management
|
||||
This is a compatibility interface that encapsulate the HAL bridge
|
||||
into the NUT dstate API for NUT drivers
|
||||
|
||||
Copyright (C) 2006-2007 Arnaud Quette <aquette.dev@gmail.com>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <sys/stat.h>
|
||||
#include <pwd.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/un.h>
|
||||
|
||||
#include "common.h"
|
||||
#include "config.h"
|
||||
#include "dstate-hal.h"
|
||||
#include "extstate.h"
|
||||
/* #include "state.h"
|
||||
#include "parseconf.h" */
|
||||
|
||||
#include <hal/libhal.h>
|
||||
|
||||
/* FIXME: export command and RW variables (using the HAL example: addon-cpufreq and macbook addon) */
|
||||
/* beeper.enable, beeper.disable => SetBeeper(bool)
|
||||
beeper.toggle => ToggleBeeper(void)
|
||||
|
||||
org.freedesktop.Hal.Device.UPS.SetSounder (bool)
|
||||
|
||||
|
||||
Shutdown() or ShutOff()
|
||||
shutdown.return
|
||||
shutdown.stayoff
|
||||
shutdown.reboot
|
||||
shutdown.reboot.graceful
|
||||
|
||||
#define UPS_ERROR_GENERAL "GeneralError"
|
||||
#define UPS_ERROR_UNSUPPORTED_FEATURE "FeatureNotSupported"
|
||||
#define UPS_ERROR_PERMISSION_DENIED "PermissionDenied"
|
||||
|
||||
****** implementation *******
|
||||
|
||||
#define DBUS_INTERFACE "org.freedesktop.Hal.Device.UPS"
|
||||
|
||||
if (!libhal_device_claim_interface(halctx, udi, DBUS_INTERFACE,
|
||||
|
||||
" <method name=\"Shutdown\">\n"
|
||||
" <arg name=\"shutdown_type\" direction=\"in\" type=\"s\"/>\n"
|
||||
" <arg name=\"return_code\" direction=\"out\" type=\"i\"/>\n"
|
||||
" </method>\n"
|
||||
|
||||
&dbus_dbus_error)) {
|
||||
fprintf(stderr, "Cannot claim interface: %s", dbus_dbus_error.message);
|
||||
goto Error;
|
||||
}
|
||||
|
||||
|
||||
*/
|
||||
|
||||
/*
|
||||
* static int sockfd = -1, stale = 1, alarm_active = 0;
|
||||
* static struct st_tree_t *dtree_root = NULL;
|
||||
* static struct conn_t *connhead = NULL;
|
||||
* static struct cmdlist_t *cmdhead = NULL;
|
||||
* static char *sockfn = NULL;
|
||||
* static char status_buf[ST_MAX_VALUE_LEN],
|
||||
* alarm_buf[ST_MAX_VALUE_LEN];
|
||||
*/
|
||||
|
||||
struct ups_handler upsh;
|
||||
|
||||
LibHalContext *halctx = NULL;
|
||||
char *udi;
|
||||
int ac_present = 0; /* 0 = false ; 1 = true */
|
||||
extern char *dbus_methods_introspection;
|
||||
|
||||
static void* runtime_handler(LibHalChangeSet *cs, char* runtime);
|
||||
static void* level_handler(LibHalChangeSet *cs, char* critical_level);
|
||||
static void* battery_type_handler(LibHalChangeSet *cs, char* battery_type);
|
||||
|
||||
/* Structure to lookup between NUT and HAL data */
|
||||
typedef struct {
|
||||
char *nut_name; /* NUT variable name */
|
||||
char *hal_name; /* HAL variable name */
|
||||
int hal_type; /* HAL variable type */
|
||||
void *(*fun)(LibHalChangeSet *cs,
|
||||
char *value); /* conversion function. */
|
||||
} info_lkp_t;
|
||||
|
||||
enum hal_type_t
|
||||
{
|
||||
NONE = 0,
|
||||
HAL_TYPE_INT,
|
||||
HAL_TYPE_BOOL,
|
||||
HAL_TYPE_STRING
|
||||
};
|
||||
|
||||
/* Structure to lookup between NUT commands and HAL/DBus methods */
|
||||
typedef struct {
|
||||
char *nut_name; /* NUT command name */
|
||||
char *hal_name; /* HAL/DBus method name */
|
||||
char *xml_introspection; /* HAL/DBus method introspection */
|
||||
/* FIXME: how to lookup param values between HAL and NUT?? */
|
||||
/* void *(*fun)(LibHalChangeSet *cs,
|
||||
char *value);*/ /* NUT function */
|
||||
} method_lkp_t;
|
||||
|
||||
#if 0
|
||||
/* Data to lookup between NUT commands and HAL/DBus methods
|
||||
* for dstate_addcmd() */
|
||||
static method_lkp_t nut2hal_cmd[] =
|
||||
{
|
||||
/* ups.status is handled by status_set() calls */
|
||||
{
|
||||
"beeper.enable",
|
||||
"SetBeeper",
|
||||
" <method name=\"SetBeeper\">\n"
|
||||
" <arg name=\"beeper_mode\" direction=\"in\" type=\"b\"/>\n"
|
||||
" <arg name=\"return_code\" direction=\"out\" type=\"i\"/>\n"
|
||||
" </method>\n"
|
||||
},
|
||||
|
||||
/* Terminating element */
|
||||
{ NULL, NULL, NULL }
|
||||
};
|
||||
#endif
|
||||
|
||||
/* Data to lookup between NUT and HAL for dstate_setinfo() */
|
||||
static info_lkp_t nut2hal_info[] =
|
||||
{
|
||||
/* ups.status is handled by status_set() calls */
|
||||
{ "battery.charge.low", "battery.charge_level.low", HAL_TYPE_INT, *level_handler },
|
||||
/* { "battery.charge.low", "battery.reporting.low", HAL_TYPE_INT, NULL }, */
|
||||
{ "battery.charge.low", "battery.alarm.design", HAL_TYPE_INT, NULL },
|
||||
|
||||
{ "battery.charge", "battery.charge_level.current", HAL_TYPE_INT, NULL },
|
||||
{ "battery.charge", "battery.charge_level.percentage", HAL_TYPE_INT, NULL },
|
||||
{ "battery.charge", "battery.reporting.current", HAL_TYPE_INT, NULL },
|
||||
{ "battery.charge", "battery.reporting.percentage", HAL_TYPE_INT, NULL },
|
||||
{ "battery.runtime", "battery.remaining_time", HAL_TYPE_INT, *runtime_handler },
|
||||
/* raw version (PbAc) */
|
||||
{ "battery.type", "battery.reporting.technology", HAL_TYPE_STRING, NULL },
|
||||
/* Human readable version */
|
||||
{ "battery.type", "battery.technology", HAL_TYPE_STRING, *battery_type_handler },
|
||||
|
||||
/* AQ note: Not sure it fits! */
|
||||
/* HAL marked as mandatory! */
|
||||
{ "battery.voltage", "battery.voltage.current", HAL_TYPE_INT, NULL },
|
||||
{ "battery.voltage.nominal", "battery.voltage.design", HAL_TYPE_INT, NULL },
|
||||
|
||||
{ "ups.mfr", "battery.vendor", HAL_TYPE_STRING, NULL },
|
||||
{ "ups.model", "battery.model", HAL_TYPE_STRING, NULL },
|
||||
{ "ups.serial", "battery.serial", HAL_TYPE_STRING, NULL },
|
||||
|
||||
/* Terminating element */
|
||||
{ NULL, NULL, NONE, NULL }
|
||||
};
|
||||
|
||||
/* Functions to lookup between NUT and HAL */
|
||||
static info_lkp_t *find_nut_info(const char *nut_varname, info_lkp_t *prev_info_item);
|
||||
|
||||
/* HAL accessors wrappers */
|
||||
void hal_set_string(LibHalChangeSet *cs, const char *key, const char *value);
|
||||
void hal_set_int(LibHalChangeSet *cs, const char *key, const int value);
|
||||
void hal_set_bool(LibHalChangeSet *cs, const char *key, const dbus_bool_t value);
|
||||
int hal_get_int(const char *key);
|
||||
char *hal_get_string(const char *key);
|
||||
|
||||
/* Handle warning charge level according to the critical level */
|
||||
static void* level_handler(LibHalChangeSet *cs, char* critical_level)
|
||||
{
|
||||
/* Magic formula to generate the warning level */
|
||||
int int_critical_level = atoi(critical_level);
|
||||
/* warning level = critical + 1/3 of (100 % - critical level), approx at the leat mod 10 */
|
||||
int int_warning_level = int_critical_level + ((100 - int_critical_level) / 3);
|
||||
int_warning_level -= (int_warning_level % 10);
|
||||
|
||||
/* Set the critical level value */
|
||||
hal_set_int (cs, "battery.charge_level.low", int_critical_level);
|
||||
hal_set_int (cs, "battery.reporting.low", int_critical_level);
|
||||
|
||||
/* Set the warning level value (FIXME: set to 50 % for now) */
|
||||
hal_set_int (cs, "battery.charge_level.warning", int_warning_level);
|
||||
hal_set_int (cs, "battery.reporting.warning", int_warning_level);
|
||||
|
||||
return NULL; /* Nothing to return */
|
||||
}
|
||||
|
||||
/* Handle runtime exposition according to the AC status */
|
||||
static void* runtime_handler(LibHalChangeSet *cs, char* runtime)
|
||||
{
|
||||
if (ac_present == 0) {
|
||||
/* unSet the runtime auto computation and rely upon NUT.battery.runtime*/
|
||||
hal_set_bool (cs, "battery.remaining_time.calculate_per_time", FALSE);
|
||||
|
||||
/* Set the runtime value */
|
||||
hal_set_int (cs, "battery.remaining_time", atoi(runtime));
|
||||
}
|
||||
else {
|
||||
/* Set the runtime auto computation */
|
||||
hal_set_bool (cs, "battery.remaining_time.calculate_per_time", TRUE);
|
||||
|
||||
/* Set the runtime value */
|
||||
hal_set_int (cs, "battery.remaining_time", 0);
|
||||
}
|
||||
return NULL; /* Nothing to return */
|
||||
}
|
||||
|
||||
/* Handle the battery technology reporting */
|
||||
static void* battery_type_handler(LibHalChangeSet *cs, char* battery_type)
|
||||
{
|
||||
if (!strncmp (battery_type, "PbAc", 4)) {
|
||||
hal_set_string(cs, "battery.technology", "lead-acid");
|
||||
}
|
||||
/* FIXME: manage other types (lithium-ion, lithium-polymer,
|
||||
* nickel-metal-hydride, unknown */
|
||||
|
||||
return NULL; /* Nothing to return */
|
||||
}
|
||||
|
||||
/********************************************************************
|
||||
* dstate compatibility interface
|
||||
*******************************************************************/
|
||||
void dstate_init(const char *prog, const char *port)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
LibHalChangeSet *cs;
|
||||
|
||||
dbus_error_init (&dbus_error);
|
||||
|
||||
cs = libhal_device_new_changeset (udi);
|
||||
if (cs == NULL) {
|
||||
fatalx (EXIT_FAILURE, "Cannot initialize changeset");
|
||||
}
|
||||
|
||||
/* UPS always report charge as percent */
|
||||
hal_set_string (cs, "battery.charge_level.unit", "percent");
|
||||
hal_set_string (cs, "battery.reporting.unit", "percent");
|
||||
hal_set_string (cs, "battery.alarm.unit", "percent");
|
||||
|
||||
/* Various UPSs assumptions */
|
||||
/****************************/
|
||||
/* UPS are always rechargeable! */
|
||||
/* FIXME: Check for NUT extension however: ie HID->UPS.PowerSummary.Rechargeable
|
||||
* into battery.rechargeable
|
||||
* or always expose it?
|
||||
*/
|
||||
hal_set_bool (cs, "battery.is_rechargeable", TRUE);
|
||||
|
||||
/* UPS always has a max battery charge of 100 % */
|
||||
hal_set_int (cs, "battery.charge_level.design", 100);
|
||||
hal_set_int (cs, "battery.charge_level.last_full", 100);
|
||||
hal_set_int (cs, "battery.reporting.design", 100);
|
||||
hal_set_int (cs, "battery.reporting.last_full", 100);
|
||||
|
||||
/* NUT always express Voltage in Volts "V" */
|
||||
/* But not all UPSs provide the data
|
||||
* battery.voltage.{design,current} */
|
||||
hal_set_string (cs, "battery.voltage.unit", "V");
|
||||
|
||||
/* UPS always have a battery! */
|
||||
/* Note(AQU): wrong with some solar panel usage, where the UPS */
|
||||
/* is just an energy source switch! */
|
||||
/* FIXME: to be processed (need possible NUT extension) */
|
||||
hal_set_bool (cs, "battery.present", TRUE);
|
||||
|
||||
/* FIXME: can be improved?! (implies "info.recall.vendor") */
|
||||
hal_set_bool (cs, "info.is_recalled", FALSE);
|
||||
|
||||
/* Set generic properties */
|
||||
hal_set_string (cs, "battery.type", "ups");
|
||||
libhal_device_add_capability (halctx, udi, "battery", &dbus_error);
|
||||
libhal_device_add_capability (halctx, udi, "ac_adaptor", &dbus_error);
|
||||
|
||||
/* FIXME: can be improved?! Set granularity (1 %)*/
|
||||
hal_set_int (cs, "battery.charge_level.granularity_1", 1);
|
||||
hal_set_int (cs, "battery.charge_level.granularity_2", 1);
|
||||
hal_set_int (cs, "battery.reporting.granularity_1", 1);
|
||||
hal_set_int (cs, "battery.reporting.granularity_2", 1);
|
||||
|
||||
dbus_error_init (&dbus_error);
|
||||
/* NOTE: commit_changeset won't do IPC if set is empty */
|
||||
libhal_device_commit_changeset (halctx, cs, &dbus_error);
|
||||
libhal_device_free_changeset (cs);
|
||||
|
||||
if (dbus_error_is_set (&dbus_error))
|
||||
dbus_error_free (&dbus_error);
|
||||
}
|
||||
|
||||
|
||||
const char *dstate_getinfo(const char *var)
|
||||
{
|
||||
info_lkp_t *nut2hal_info = find_nut_info(var, NULL);
|
||||
|
||||
/* FIXME: use the data exposed by NUT on the DBus when available */
|
||||
|
||||
if (nut2hal_info != NULL) {
|
||||
|
||||
switch (nut2hal_info->hal_type)
|
||||
{
|
||||
/* case HAL_TYPE_INT:
|
||||
static char value[8];
|
||||
snprintf(value, sizeof(value), "%i", hal_get_int(nut2hal_info->hal_name));
|
||||
return value;
|
||||
case HAL_TYPE_BOOL:
|
||||
hal_set_bool(cs, nut2hal_info->hal_name, TRUE);
|
||||
break;
|
||||
*/
|
||||
case HAL_TYPE_STRING:
|
||||
return hal_get_string(nut2hal_info->hal_name);
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int dstate_setinfo(const char *var, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
int ret = 1;
|
||||
LibHalChangeSet *cs;
|
||||
DBusError dbus_error;
|
||||
char value[ST_MAX_VALUE_LEN];
|
||||
info_lkp_t *nut2hal_info = NULL, *prev_nut2hal_info = NULL;
|
||||
|
||||
va_start(ap, fmt);
|
||||
vsnprintf(value, sizeof(value), fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
cs = libhal_device_new_changeset (udi);
|
||||
if (cs == NULL) {
|
||||
fatalx (EXIT_FAILURE, "Cannot initialize changeset");
|
||||
}
|
||||
|
||||
/* Loop on getting HAL variable(s) matching this NUT variable */
|
||||
while ( (nut2hal_info = find_nut_info(var, prev_nut2hal_info)) != NULL)
|
||||
{
|
||||
upsdebugx(2, "dstate_setinfo: %s => %s (%s)\n", var, nut2hal_info->hal_name, value);
|
||||
|
||||
if (nut2hal_info->fun != NULL)
|
||||
nut2hal_info->fun(cs, value);
|
||||
else {
|
||||
switch (nut2hal_info->hal_type)
|
||||
{
|
||||
case HAL_TYPE_INT:
|
||||
hal_set_int(cs, nut2hal_info->hal_name, atoi(value));
|
||||
break;
|
||||
case HAL_TYPE_BOOL:
|
||||
/* FIXME: howto lookup TRUE/FALSE? */
|
||||
hal_set_bool(cs, nut2hal_info->hal_name, TRUE);
|
||||
break;
|
||||
case HAL_TYPE_STRING:
|
||||
hal_set_string(cs, nut2hal_info->hal_name, value);
|
||||
break;
|
||||
}
|
||||
}
|
||||
prev_nut2hal_info = nut2hal_info;
|
||||
}
|
||||
|
||||
dbus_error_init (&dbus_error);
|
||||
/* NOTE: commit_changeset won't do IPC if set is empty */
|
||||
libhal_device_commit_changeset(halctx,cs,&dbus_error);
|
||||
libhal_device_free_changeset (cs);
|
||||
|
||||
if (dbus_error_is_set (&dbus_error))
|
||||
dbus_error_free (&dbus_error);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
int dstate_addenum(const char *var, const char *fmt, ...)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int dstate_delinfo(const char *var)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int dstate_delcmd(const char *var)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void dstate_setflags(const char *var, int flags)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void dstate_setaux(const char *var, int aux)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void dstate_dataok(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void dstate_datastale(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void dstate_free(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
/* extrafd: provided for waking up based on the driver's UPS fd */
|
||||
int dstate_poll_fds(struct timeval timeout, int extrafd)
|
||||
{
|
||||
/* drivers expect us to limit the polling rate here */
|
||||
sleep(timeout.tv_sec);
|
||||
|
||||
/* the timeout expired */
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* clean out the temp space for a new pass */
|
||||
void status_init(void)
|
||||
{
|
||||
/* Nothing to do */
|
||||
return;
|
||||
}
|
||||
|
||||
/* ups.status element conversion */
|
||||
void status_set(const char *buf)
|
||||
{
|
||||
upsdebugx(2, "status_set: %s", buf);
|
||||
|
||||
/* Note: only usbhid-ups supported devices expose [DIS]CHRG status */
|
||||
/* along with the standard OL (online) / OB (on battery) status! */
|
||||
if ( (strcmp(buf, "DISCHRG") == 0) || (strcmp(buf, "OB") == 0) )
|
||||
{
|
||||
ac_present = 0;
|
||||
}
|
||||
else if ( (strcmp(buf, "CHRG") == 0) || (strcmp(buf, "OL") == 0) )
|
||||
{
|
||||
ac_present = 1;
|
||||
}
|
||||
else
|
||||
upsdebugx(2, "status_set: dropping status %s (not managed)\n", buf);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/* write the status_buf into the externally visible dstate storage */
|
||||
void status_commit(void)
|
||||
{
|
||||
LibHalChangeSet *cs;
|
||||
DBusError dbus_error;
|
||||
int curlevel, warnlevel, lowlevel;
|
||||
|
||||
upsdebugx(2, "status_commit");
|
||||
|
||||
cs = libhal_device_new_changeset (udi);
|
||||
if (cs == NULL) {
|
||||
fatalx (EXIT_FAILURE, "Cannot initialize changeset");
|
||||
}
|
||||
|
||||
/* Retrieve the levels */
|
||||
curlevel = hal_get_int ("battery.charge_level.current");
|
||||
warnlevel = hal_get_int ("battery.charge_level.warning");
|
||||
lowlevel = hal_get_int ("battery.charge_level.low");
|
||||
|
||||
/* Set AC present status */
|
||||
/* Note: UPSs are also AC adaptors! */
|
||||
hal_set_bool (cs, "ac_adaptor.present", (ac_present == 0)?FALSE:TRUE);
|
||||
|
||||
/* Set discharging status */
|
||||
hal_set_bool (cs, "battery.rechargeable.is_discharging", (ac_present == 0)?TRUE:FALSE);
|
||||
|
||||
/* Set charging status */
|
||||
if (curlevel != 100)
|
||||
hal_set_bool (cs, "battery.rechargeable.is_charging", (ac_present == 0)?FALSE:TRUE);
|
||||
|
||||
/* Set the battery status (FIXME: are these values valid?) */
|
||||
if (curlevel <= lowlevel)
|
||||
hal_set_string(cs, "battery.charge_level.capacity_state", "critical");
|
||||
else if (curlevel <= warnlevel)
|
||||
hal_set_string(cs, "battery.charge_level.capacity_state", "warning"); /*low?*/
|
||||
else
|
||||
hal_set_string(cs, "battery.charge_level.capacity_state", "ok");
|
||||
|
||||
dbus_error_init (&dbus_error);
|
||||
/* NOTE: commit_changeset won't do IPC if set is empty */
|
||||
libhal_device_commit_changeset (halctx, cs, &dbus_error);
|
||||
libhal_device_free_changeset (cs);
|
||||
|
||||
if (dbus_error_is_set (&dbus_error))
|
||||
dbus_error_free (&dbus_error);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/* similar functions for ups.alarm */
|
||||
void alarm_init(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void alarm_set(const char *buf)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void alarm_commit(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
/* FIXME: complete and use nut2hal_cmd */
|
||||
/* Register DBus methods, by feeling the methods buffer */
|
||||
void dstate_addcmd(const char *cmdname)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
dbus_error_init (&dbus_error);
|
||||
|
||||
upsdebugx(2, "dstate_addcmd: %s\n", cmdname);
|
||||
|
||||
/* beeper.{on,off} */
|
||||
/* FIXME: how to deal with beeper.toggle */
|
||||
if (!strncasecmp(cmdname, "beeper.disable", 14))
|
||||
{
|
||||
strcat(dbus_methods_introspection,
|
||||
" <method name=\"SetBeeper\">\n"
|
||||
" <arg name=\"beeper_mode\" direction=\"in\" type=\"b\"/>\n"
|
||||
" <arg name=\"return_code\" direction=\"out\" type=\"i\"/>\n"
|
||||
" </method>\n");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*******************************************************************
|
||||
* internal functions
|
||||
*******************************************************************/
|
||||
|
||||
/****************
|
||||
* HAL wrappers *
|
||||
****************/
|
||||
/* Only update HAL string values if there are real changes */
|
||||
void hal_set_string(LibHalChangeSet *cs, const char *key, const char *value)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
char *new_value = NULL;
|
||||
|
||||
upsdebugx(2, "hal_set_string: %s => %s", key, value);
|
||||
|
||||
dbus_error_init(&dbus_error);
|
||||
|
||||
/* Check if the property already exists */
|
||||
if (libhal_device_property_exists (halctx, udi, key, &dbus_error) == TRUE) {
|
||||
|
||||
new_value = libhal_device_get_property_string (halctx, udi,
|
||||
key, &dbus_error);
|
||||
|
||||
/* Check if the value has really changed */
|
||||
if (strcmp(value, new_value))
|
||||
libhal_changeset_set_property_string (cs, key, value);
|
||||
|
||||
/* Free the new_value string */
|
||||
if (new_value != NULL)
|
||||
libhal_free_string (new_value);
|
||||
}
|
||||
else {
|
||||
libhal_changeset_set_property_string (cs, key, value);
|
||||
}
|
||||
}
|
||||
|
||||
/* Only update HAL int values if there are real changes */
|
||||
void hal_set_int(LibHalChangeSet *cs, const char *key, const int value)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
int new_value;
|
||||
|
||||
upsdebugx(2, "hal_set_int: %s => %i", key, value);
|
||||
|
||||
dbus_error_init(&dbus_error);
|
||||
|
||||
/* Check if the property already exists */
|
||||
if (libhal_device_property_exists (halctx, udi, key, &dbus_error) == TRUE) {
|
||||
|
||||
new_value = libhal_device_get_property_int (halctx, udi,
|
||||
key, &dbus_error);
|
||||
|
||||
/* Check if the value has really changed */
|
||||
if (value != new_value)
|
||||
libhal_changeset_set_property_int (cs, key, value);
|
||||
}
|
||||
else {
|
||||
libhal_changeset_set_property_int (cs, key, value);
|
||||
}
|
||||
}
|
||||
|
||||
char *hal_get_string(const char *key)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
char *value = NULL;
|
||||
|
||||
upsdebugx(2, "hal_get_string: %s", key);
|
||||
|
||||
dbus_error_init(&dbus_error);
|
||||
|
||||
/* Check if the property already exists */
|
||||
if (libhal_device_property_exists (halctx, udi, key, &dbus_error) == TRUE) {
|
||||
|
||||
value = libhal_device_get_property_string (halctx, udi,
|
||||
key, &dbus_error);
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
int hal_get_int(const char *key)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
int value = -1;
|
||||
|
||||
upsdebugx(2, "hal_get_int: %s", key);
|
||||
|
||||
dbus_error_init(&dbus_error);
|
||||
|
||||
/* Check if the property already exists */
|
||||
if (libhal_device_property_exists (halctx, udi, key, &dbus_error) == TRUE) {
|
||||
|
||||
value = libhal_device_get_property_int (halctx, udi,
|
||||
key, &dbus_error);
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
/* Only update HAL int values if there are real changes */
|
||||
void hal_set_bool(LibHalChangeSet *cs, const char *key, const dbus_bool_t value)
|
||||
{
|
||||
DBusError dbus_error;
|
||||
dbus_bool_t new_value;
|
||||
|
||||
upsdebugx(2, "hal_set_bool: %s => %s", key, (value==TRUE)?"true":"false");
|
||||
|
||||
dbus_error_init(&dbus_error);
|
||||
|
||||
/* Check if the property already exists */
|
||||
if (libhal_device_property_exists (halctx, udi, key, &dbus_error) == TRUE) {
|
||||
|
||||
new_value = libhal_device_get_property_bool (halctx, udi,
|
||||
key, &dbus_error);
|
||||
|
||||
/* Check if the value has really changed */
|
||||
if (value != new_value)
|
||||
libhal_changeset_set_property_bool (cs, key, value);
|
||||
}
|
||||
else {
|
||||
libhal_changeset_set_property_bool (cs, key, value);
|
||||
}
|
||||
}
|
||||
|
||||
/* find the next info element definition in info array
|
||||
* that matches nut_varname, and that is after prev_info_item
|
||||
* if specified.
|
||||
* Note that 1 nut item can matches several HAL items
|
||||
*/
|
||||
static info_lkp_t *find_nut_info(const char *nut_varname, info_lkp_t *prev_info_item)
|
||||
{
|
||||
info_lkp_t *info_item;
|
||||
|
||||
upsdebugx(2, "find_nut_info: looking up => %s\n", nut_varname);
|
||||
|
||||
if (prev_info_item != NULL) {
|
||||
/* Start from the item following prev_info_item */
|
||||
info_item = ++prev_info_item;
|
||||
}
|
||||
else {
|
||||
info_item = nut2hal_info;
|
||||
}
|
||||
|
||||
for ( ; info_item != NULL && info_item->nut_name != NULL ; info_item++) {
|
||||
|
||||
if (!strcasecmp(info_item->nut_name, nut_varname))
|
||||
return info_item;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue