PrivateLib.c   [plain text]

/*
 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */


#include <mach/mach.h>
#include <grp.h>
#include <pwd.h>
#include <syslog.h>
#include <unistd.h>
#include <asl.h>
#include "PrivateLib.h"

#ifndef kIOPMMaintenanceScheduleImmediate
#define kIOPMMaintenanceScheduleImmediate   "MaintenanceImmediate"
#endif

enum
{
    PowerManagerScheduledShutdown = 1,
    PowerManagerScheduledSleep,
    PowerManagerScheduledRestart
};

/* If the battery doesn't specify an alternative time, we wait 16 seconds
   of ignoring the battery's (or our own) time remaining estimate. We choose
   the number 16 seconds because PMU based PPC machines have a 15 second
   battery polling cycle, and this 16 second timer should guarantee a 
   valid time remaining estimate on PPC.
*/   
enum
{
    kInvalidWakeSecsDefault = 16
};

#define kPowerManagerActionNotificationName "com.apple.powermanager.action"
#define kPowerManagerActionKey "action"
#define kPowerManagerValueKey "value"

// Tracks system battery state
static int batCount = 0;
static IOPMBattery **batteries = NULL;

/******
 * Do not remove DUMMY macros
 *
 * The following DUMMY macros aren't used in the source code, they're
 * a placeholder for the 'genstrings' tool to read the strings we're using.
 * 'genstrings' will encode these strings in a Localizable.strings file.
 * Note: if you add to or modify these strings, you must re-run genstrings and 
 * replace this project's Localizable.strings file with the output.
 ******/

#define DUMMY_UPS_HEADER(myBundle) CFCopyLocalizedStringWithDefaultValue( \
            CFSTR("WARNING!"), \
            CFSTR("Localizable"), \
            myBundle, \
            CFSTR("Warning!"), \
            NULL);
            
#define DUMMY_UPS_BODY(myBundle) CFCopyLocalizedStringWithDefaultValue( \
            CFSTR("YOUR COMPUTER IS NOW RUNNING ON UPS BACKUP BATTERY. SAVE YOUR DOCUMENTS AND SHUTDOWN SOON."), \
            CFSTR("Localizable"), \
            myBundle, \
            CFSTR("Your computer is now running on UPS backup battery power. Save your documents and shut down soon."), \
            NULL);

#ifndef __I_AM_PMSET__
// dynamicStoreNotifyCallBack is defined in pmconfigd.c
// is not defined in pmset! so we don't compile this code in pmset.
__private_extern__ void dynamicStoreNotifyCallBack(
                SCDynamicStoreRef   store,
                CFArrayRef          changedKeys,
                void                *info);

__private_extern__ SCDynamicStoreRef _getSharedPMDynamicStore(void)
{
    static SCDynamicStoreRef    shared = NULL;

    if (!shared) {
        shared = SCDynamicStoreCreate(
                            kCFAllocatorDefault, 
                            CFSTR("PM configd plugin"), 
                            dynamicStoreNotifyCallBack, 
                            NULL);    
    }
    
    return shared;
}
#endif

__private_extern__ io_registry_entry_t getRootDomain(void)
{
    static io_registry_entry_t gRoot = MACH_PORT_NULL;

    if (MACH_PORT_NULL == gRoot)
        gRoot = IORegistryEntryFromPath( kIOMasterPortDefault, 
                kIOPowerPlane ":/IOPowerConnection/IOPMrootDomain");

    return gRoot;
}

__private_extern__ IOReturn 
_setRootDomainProperty(
    CFStringRef                 key, 
    CFTypeRef                   val) 
{
    return IORegistryEntrySetCFProperty(getRootDomain(), key, val);
}

__private_extern__ CFTypeRef 
_copyRootDomainProperty(
    CFStringRef                 key)
{
    return IORegistryEntryCreateCFProperty(getRootDomain(), key, kCFAllocatorDefault, 0);
}


__private_extern__ bool 
_getUUIDString(
	char *buf, 
	int buflen)
{
	bool			ret = false;
 	CFStringRef		uuidString = NULL;

	uuidString = IOPMSleepWakeCopyUUID();

	if (uuidString) {
		if (!CFStringGetCString(uuidString, buf, buflen, 
								kCFStringEncodingUTF8)) 
		{
			goto exit;
		}

		ret = true;
	}
exit:
	if (uuidString) CFRelease(uuidString);
	return ret;
}

__private_extern__ bool
_getSleepReason(
	char *buf,
	int buflen)
{
	bool			ret = false;
 	io_service_t    iopm_rootdomain_ref = getRootDomain();
 	CFStringRef		sleepReasonString = NULL;

	sleepReasonString = IORegistryEntryCreateCFProperty(
							iopm_rootdomain_ref,
							CFSTR("Last Sleep Reason"),
							kCFAllocatorDefault, 0);

	if (sleepReasonString) {
		if (!CFStringGetCString(sleepReasonString, buf, buflen, 
								kCFStringEncodingUTF8)) 
		{
			goto exit;
		}

		ret = true;
	}
exit:
	if (sleepReasonString) CFRelease(sleepReasonString);
	return ret;
}

__private_extern__ bool
_getWakeReason(
	char *buf,
	int buflen)
{
	bool			ret = false;
 	io_service_t    iopm_rootdomain_ref = getRootDomain();
 	CFStringRef		wakeReasonString = NULL;

    // This property may not exist on all platforms.
	wakeReasonString = IORegistryEntryCreateCFProperty(
							iopm_rootdomain_ref,
							CFSTR("Wake Reason"),
							kCFAllocatorDefault, 0);

	if (wakeReasonString) {
		if (!CFStringGetCString(wakeReasonString, buf, buflen, 
								kCFStringEncodingUTF8)) 
		{
			goto exit;
		}

		ret = true;
	}
exit:
	if (wakeReasonString) CFRelease(wakeReasonString);
	return ret;
}

__private_extern__ 
const char *stringForLWCode(uint8_t code) 
{
    const char *string;
    switch (code) 
    {
        default:
            string = "OK";
    }
    return string;
}

__private_extern__
const char *stringForPMCode(uint8_t code) 
{
    const char *string;

    switch (code)
    {
        case kIOPMTracePointSystemUp:
            string = "On";
            break;
        case kIOPMTracePointSleepStarted:
            string = "SleepStarted";
            break;
        case kIOPMTracePointSystemSleepAppsPhase:
            string = "SleepApps";
            break;
        case kIOPMTracePointSystemSleepDriversPhase:
            string = "SleepDrivers";
            break;
        case kIOPMTracePointSystemSleepPlatformPhase:
            string = "SleepPlatform";
            break;
        case kIOPMTracePointSystemWakeDriversPhase:
            string = "WakeDrivers";
            break;
        case kIOPMTracePointSystemWakeAppsPhase:
            string = "WakeApps";
            break;
        case kIOPMTracePointSystemLoginwindowPhase:
            string = "WakeLoginWindow";
            break;
        default:
            string = "Unknown";
    }
    return string;
}


static void sendNotification(int command)
{
    CFMutableDictionaryRef   dict = NULL;
    int numberOfSeconds = 600;
    
    CFNumberRef secondsValue = CFNumberCreate( NULL, kCFNumberIntType, &numberOfSeconds );
    CFNumberRef commandValue = CFNumberCreate( NULL, kCFNumberIntType, &command );

    dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 2, 
                                    &kCFTypeDictionaryKeyCallBacks, 
                                    &kCFTypeDictionaryValueCallBacks);

    CFDictionarySetValue(dict, CFSTR(kPowerManagerActionKey), commandValue);
    CFDictionarySetValue(dict, CFSTR(kPowerManagerValueKey), secondsValue);

    CFNotificationCenterPostNotificationWithOptions ( 
#if TARGET_OS_EMBEDDED
					    CFNotificationCenterGetDarwinNotifyCenter(),
#else
					    CFNotificationCenterGetDistributedCenter(),
#endif
                                            CFSTR(kPowerManagerActionNotificationName), 
                                            NULL, dict, 
                                            (kCFNotificationPostToAllSessions | kCFNotificationDeliverImmediately));
    CFRelease(dict);
    CFRelease(secondsValue);
    CFRelease(commandValue);
}


__private_extern__ void _askNicelyThenShutdownSystem(void)
{
    sendNotification( PowerManagerScheduledShutdown );
}

__private_extern__ void _askNicelyThenSleepSystem(void)
{
    sendNotification( PowerManagerScheduledSleep );
}

__private_extern__ void _askNicelyThenRestartSystem(void)
{
    sendNotification( PowerManagerScheduledRestart );
}

// Accessor for internal battery structs
__private_extern__ IOPMBattery **_batteries(void)
{
    return batteries;
}

__private_extern__ bool _batterySupports(
    io_registry_entry_t which, 
    CFStringRef what)
{
    int         i = 0;
    bool        found = false;
    
    for(i=0; i<batCount; i++) 
    {
        if(which != batteries[i]->me) continue;
        if(CFDictionaryGetValue(batteries[i]->properties, what)) 
        {
            found = true;
            break;
        }
    }
    
    return found;
}


static int _designCycleCountForBattery(IOPMBattery *b)
{
    return 300;
}

static void _unpackBatteryState(IOPMBattery *b, CFDictionaryRef prop)    
{
    CFBooleanRef    boo;
    CFNumberRef     n;
    
    if(!isA_CFDictionary(prop)) return;
    
    boo = CFDictionaryGetValue(prop, CFSTR(kIOPMPSExternalConnectedKey));
    b->externalConnected = (kCFBooleanTrue == boo);

    boo = CFDictionaryGetValue(prop, CFSTR(kIOPMPSExternalChargeCapableKey));
    b->externalChargeCapable = (kCFBooleanTrue == boo);

    boo = CFDictionaryGetValue(prop, CFSTR(kIOPMPSBatteryInstalledKey));
    b->isPresent = (kCFBooleanTrue == boo);

    boo = CFDictionaryGetValue(prop, CFSTR(kIOPMPSIsChargingKey));
    b->isCharging = (kCFBooleanTrue == boo);

    b->failureDetected = (CFStringRef)CFDictionaryGetValue(prop, CFSTR(kIOPMPSErrorConditionKey));

    b->batterySerialNumber = (CFStringRef)CFDictionaryGetValue(prop, CFSTR("BatterySerialNumber"));

    b->chargeStatus = (CFStringRef)CFDictionaryGetValue(prop, CFSTR(kIOPMPSBatteryChargeStatusKey));

    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSCurrentCapacityKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->currentCap);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSMaxCapacityKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->maxCap);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSDesignCapacityKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->designCap);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSTimeRemainingKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->hwAverageTR);
    }
    

    n = CFDictionaryGetValue(prop, CFSTR("InstantAmperage"));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->instantAmperage);
    }    
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSAmperageKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->avgAmperage);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSMaxErrKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->maxerr);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSCycleCountKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->cycleCount);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSLocationKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->location);
    }
    n = CFDictionaryGetValue(prop, CFSTR(kIOPMPSInvalidWakeSecondsKey));
    if(n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->invalidWakeSecs);
    } else {
        b->invalidWakeSecs = kInvalidWakeSecsDefault;
    }
    n = CFDictionaryGetValue(prop, CFSTR("PermanentFailureStatus"));
    if (n) {
        CFNumberGetValue(n, kCFNumberIntType, &b->pfStatus);
    } else {
        b->pfStatus = 0;
    }

    return;
}

__private_extern__ int  _batteryCount(void)
{
    return batCount;
}

__private_extern__ IOPMBattery *_newBatteryFound(io_registry_entry_t where)
{
    int             new_battery_index = batCount++;
    IOPMBattery     **new_batteries_holder = NULL;
    IOPMBattery     *new_battery = NULL;
    int             i;
    
    new_batteries_holder = (IOPMBattery **)malloc( 
                                batCount * sizeof(IOPMBattery *) );

    if( batteries && (batCount > 1) )
    {
        // Copy existing batteries into new array
        for(i=0; i<new_battery_index; i++)
        {
            new_batteries_holder[i] = batteries[i];
        }

        // Free older, smaller array
        free(batteries); batteries = NULL;
    }

    batteries = new_batteries_holder;

    // Populate new battery in array
    new_battery = calloc(1, sizeof(IOPMBattery));
    batteries[new_battery_index] = new_battery;
    
    new_battery->me = where;

    new_battery->name = CFStringCreateWithFormat(
                            kCFAllocatorDefault, 
                            NULL, 
                            CFSTR("InternalBattery-%d"), 
                            new_battery_index);                            
    new_battery->dynamicStoreKey = SCDynamicStoreKeyCreate(
                            kCFAllocatorDefault, 
                            CFSTR("%@%@/InternalBattery-%d"),
                            kSCDynamicStoreDomainState, 
                            CFSTR(kIOPSDynamicStorePath), 
                            new_battery_index);

    _batteryChanged(new_battery);

    return new_battery;
}


__private_extern__ void _batteryChanged(IOPMBattery *changed_battery)
{
    kern_return_t       kr;
    
    if(0 == batCount) return;
    
    if(!changed_battery) { 
        // This is unexpected; we're not tracking this battery
        return;
    }
    
    // Free the last set of properties
    if(changed_battery->properties) { 
        CFRelease(changed_battery->properties);
        changed_battery->properties = NULL;
    }
    
    kr = IORegistryEntryCreateCFProperties(
                            changed_battery->me, 
                            &(changed_battery->properties),
                            kCFAllocatorDefault, 0);
    if(KERN_SUCCESS != kr) {
        changed_battery->properties = NULL;
        goto exit;
    }

    _unpackBatteryState(changed_battery, changed_battery->properties);    
exit:
    return;
}

__private_extern__ bool _batteryHas(IOPMBattery *b, CFStringRef property)
{
    if(!property || !b->properties) return false;
    
    // If the battery's descriptior dictionary has an entry at all for the
    // given 'property' it is supported, i.e. the battery 'has' it.
    return CFDictionaryGetValue(b->properties, property) ? true : false;
}


// Returns 10.0 - 10.4 style IOPMCopyBatteryInfo dictionary, when possible.
__private_extern__ CFArrayRef _copyLegacyBatteryInfo(void) 
{
    CFArrayRef          battery_info = NULL;
    IOReturn            ret;
    
    // PMCopyBatteryInfo
    ret = IOPMCopyBatteryInfo(MACH_PORT_NULL, &battery_info);
    if(ret != kIOReturnSuccess || !battery_info)
    {
        return NULL;
    }
    
    return battery_info;
}

#if HAVE_CF_USER_NOTIFICATION

__private_extern__ CFUserNotificationRef _showUPSWarning(void)
{
#ifndef STANDALONE
    CFMutableDictionaryRef      alert_dict;
    SInt32                      error;
    CFUserNotificationRef       note_ref;
    CFBundleRef                 myBundle;
    CFStringRef                 header_unlocalized;
    CFStringRef                 message_unlocalized;
    CFURLRef                    bundle_url;

    myBundle = CFBundleGetBundleWithIdentifier(CFSTR("com.apple.SystemConfiguration.PowerManagement"));

    // Create alert dictionary
    alert_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, 
        &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
    if(!alert_dict) return NULL;

    bundle_url = CFBundleCopyBundleURL(myBundle);
    CFDictionarySetValue(alert_dict, kCFUserNotificationLocalizationURLKey, bundle_url);
    CFRelease(bundle_url);

    header_unlocalized = CFSTR("WARNING!");
    message_unlocalized = CFSTR("YOUR COMPUTER IS NOW RUNNING ON UPS BACKUP BATTERY. SAVE YOUR DOCUMENTS AND SHUTDOWN SOON.");

    CFDictionaryAddValue(alert_dict, kCFUserNotificationAlertHeaderKey, header_unlocalized);
    CFDictionaryAddValue(alert_dict, kCFUserNotificationAlertMessageKey, message_unlocalized);
    
    note_ref = CFUserNotificationCreate(kCFAllocatorDefault, 0, 0, &error, alert_dict);
    CFRelease(alert_dict);

    asl_log(0, 0, ASL_LEVEL_ERR, "PowerManagement: UPS low power warning\n");
    
    return NULL; 
#else 
    return NULL;
#endif
}

#endif


/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
/*      AAAAAAAAAAAAAA      SSSSSSSSSSSSSS       LLLLLLLLLLLLLLLL          */
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/

static bool powerString(char *powerBuf, int bufSize)
{
    IOPMBattery                                 **batteries;
    int                                         batteryCount = 0;
    uint32_t                                    capPercent = 0;
    int                                         i;
    batteryCount = _batteryCount();
    if (0 < batteryCount) {
        batteries = _batteries();
        for (i=0; i< batteryCount; i++) {
            if (batteries[i]->isPresent
                && (0 != batteries[i]->maxCap)) {
                capPercent += (batteries[i]->currentCap * 100) / batteries[i]->maxCap;        
            }
        }
        snprintf(powerBuf, bufSize, "%s %d", 
               batteries[0]->externalConnected ? "AC":"BATT", capPercent);
        return true;
    } else {
        return false;
    }
}

__private_extern__ void logASLMessageSleep(
    const char *sig, 
    const char *uuidStr, 
    CFAbsoluteTime date,
    const char *failureStr
)
{
    static int              sleepCyclesCount = 0;
    aslmsg                  startMsg;
    char                    uuidString[150];
    char                    sleepReasonBuf[50];
    char                    powerLevelBuf[50];
    char                    numbuf[15];
    bool                    success = true;
    char                    messageString[200];
    bool                    showBatteries = false;
    const char *            detailString = NULL;

    startMsg = asl_new(ASL_TYPE_MSG);

    asl_set(startMsg, kMsgTracerDomainKey, kMsgTracerDomainPMSleep);

    asl_set(startMsg, kMsgTracerSignatureKey, sig);
    
    if (!strncmp(sig, kMsgTracerSigSuccess, sizeof(kMsgTracerSigSuccess)))
    {
        success = true;
        if (_getSleepReason(sleepReasonBuf, sizeof(sleepReasonBuf)))
            detailString = sleepReasonBuf;
    } else {
        success = false;
        detailString = failureStr;
    }

    if (success)
    {
        // Value == Sleep Cycles Count
        // Note: unknown on the failure case, so we won't publish the sleep count
        // unless sig == success
        snprintf(numbuf, 10, "%d", sleepCyclesCount++);
        asl_set(startMsg, kMsgTracerValueKey, numbuf);
    }
    
    asl_set(startMsg, kMsgTracerResultKey, 
                    success ? kMsgTracerResultSuccess : kMsgTracerResultFailure);
    
    // UUID
    if (uuidStr) {
        asl_set(startMsg, kMsgTracerUUIDKey, uuidStr);  // Caller Provided
    } else if (_getUUIDString(uuidString, sizeof(uuidString))) {
        asl_set(startMsg, kMsgTracerUUIDKey, uuidString);
    }

    showBatteries = powerString(powerLevelBuf, sizeof(powerLevelBuf));

    snprintf(messageString, sizeof(messageString), "Sleep: %s - %s%s%s\n", sig, 
                                showBatteries ? powerLevelBuf: "AC",
                                detailString ? " - ":"",
                                detailString ? detailString:"");
    asl_set(startMsg, ASL_KEY_MSG, messageString);
    
    asl_set(startMsg, ASL_KEY_LEVEL, ASL_STRING_NOTICE);
    asl_send(NULL, startMsg);
    asl_free(startMsg);
}

/*****************************************************************************/

static void stringForShutdownCode(char *buf, int buflen, int shutdowncode)
{
    if (3 == shutdowncode)
    {
        snprintf(buf, buflen, "Power Button Shutdown");
    } else if (5 == shutdowncode)
    {
        snprintf(buf, buflen, "Normal Shutdown");
    } else {
        snprintf(buf, buflen, "Shutdown Cause=%d\n", shutdowncode);
    }
}

__private_extern__ void logASLMessageFilteredFailure(
    uint32_t pmFailureStage,
    const char *pmFailureString,
    const char *uuidStr, 
    int shutdowncode)
{
    aslmsg      no_problem_msg;
    char        shutdownbuf[40];
    char        messagebuf[128];

    stringForShutdownCode(shutdownbuf, sizeof(shutdownbuf), shutdowncode);
    
    snprintf(messagebuf, sizeof(messagebuf), "Sleep - Filtered Sleep Failure Report - %s - %s",
                shutdownbuf, pmFailureString ? pmFailureString : "Failure Phase Unknown");
    
    no_problem_msg = asl_new(ASL_TYPE_MSG);
    if (uuidStr)
        asl_set(no_problem_msg, kMsgTracerUUIDKey, uuidStr);
    asl_set(no_problem_msg, kMsgTracerDomainKey, kMsgTracerDomainFilteredFailure);
    asl_set(no_problem_msg, kMsgTracerSignatureKey, shutdownbuf);
    asl_set(no_problem_msg, kMsgTracerResultKey, kMsgTracerResultSuccess);
    asl_set(no_problem_msg, ASL_KEY_MSG, messagebuf);
    asl_set(no_problem_msg, ASL_KEY_LEVEL, ASL_STRING_NOTICE);
    
    asl_send(NULL, no_problem_msg);
    asl_free(no_problem_msg);
}

/*****************************************************************************/

__private_extern__ void logASLMessageWake(
    const char *sig, 
    const char *uuidStr, 
    CFAbsoluteTime date, 
    const char *failureStr
)
{
    aslmsg                  startMsg;
    char                    uuidString[150];
    bool                    success = true;
    char                    powerLevelBuf[50];
    char                    messageString[200];
    char                    wakeReasonBuf[50];
    const char *            detailString = NULL;
    bool                    showBatteries = false;

    startMsg = asl_new(ASL_TYPE_MSG);
    
    asl_set(startMsg, kMsgTracerDomainKey, kMsgTracerDomainPMWake);

    asl_set(startMsg, kMsgTracerSignatureKey, sig);    

    if (!strncmp(sig, kMsgTracerSigSuccess, sizeof(kMsgTracerSigSuccess)))
    {
        success = true;
        if (_getWakeReason(wakeReasonBuf, sizeof(wakeReasonBuf)))
            detailString = wakeReasonBuf;
    } else {
        success = false;
        detailString = failureStr;
    }

    if (_getUUIDString(uuidString, sizeof(uuidString))) {
        asl_set(startMsg, kMsgTracerUUIDKey, uuidString);    
    }
    
    showBatteries = powerString(powerLevelBuf, sizeof(powerLevelBuf));

    snprintf(messageString, sizeof(messageString), "Wake: %s - %s%s%s\n", sig,
                            showBatteries ? powerLevelBuf: "AC",
                            detailString ? " - ":"",
                            detailString ? detailString:"");
    asl_set(startMsg, ASL_KEY_MSG, messageString);

    asl_set(startMsg, kMsgTracerResultKey, 
                    success ? kMsgTracerResultSuccess : kMsgTracerResultFailure);

    asl_set(startMsg, ASL_KEY_LEVEL, ASL_STRING_NOTICE);

    asl_send(NULL, startMsg);
    asl_free(startMsg);
}

/*****************************************************************************/

//static int maintenanceWakesCount = 0;

__private_extern__ void logASLMessageMaintenanceWake(void)
{
    // TODO
    return;
}

/*****************************************************************************/

__private_extern__ void logASLMessageHibernateStatistics(void)
{
    aslmsg                  statsMsg;
    CFDataRef               statsData = NULL;
    PMStatsStruct           *stats = NULL;
    uint64_t                writeHIBImageMS = 0;
    uint64_t                readHIBImageMS = 0;
    CFNumberRef             hibernateModeNum = NULL;
    int                     hibernateMode = 0;
    char                    valuestring[25];
    char                    uuidString[150];

    hibernateModeNum = (CFNumberRef)_copyRootDomainProperty(CFSTR("Hibernate Mode"));
    if (!hibernateModeNum)
        goto exit;
    CFNumberGetValue(hibernateModeNum, kCFNumberIntType, &hibernateMode);
    CFRelease(hibernateModeNum);

    statsData = (CFDataRef)_copyRootDomainProperty(CFSTR(kIOPMSleepStatisticsKey));
    if (!statsData || !(stats = (PMStatsStruct *)CFDataGetBytePtr(statsData)))
    {
        goto exit;
    } else {
        writeHIBImageMS = (stats->hibWrite.stop - stats->hibWrite.start)/1000000UL;
    
        readHIBImageMS =(stats->hibRead.stop - stats->hibRead.start)/1000000UL;
    
        CFRelease(statsData);
    }
    
    statsMsg = asl_new(ASL_TYPE_MSG);

    asl_set(statsMsg, kMsgTracerDomainKey, kMsgTracerDomainHibernateStatistics);

    asl_set(statsMsg, ASL_KEY_LEVEL, ASL_STRING_NOTICE);

    if (_getUUIDString(uuidString, sizeof(uuidString))) {
        asl_set(statsMsg, kMsgTracerUUIDKey, uuidString);    
    }

    snprintf(valuestring, sizeof(valuestring), "hibernatemode=%d", hibernateMode);
    asl_set(statsMsg, kMsgTracerSignatureKey, valuestring);

    if (0 != readHIBImageMS) {
        // We woke from hib image and lost contents of memory. We do not
        // have a valid timing reading for hib write image.
        asl_set(statsMsg, kMsgTracerValueKey, kMsgTracerValueUndefined);
    } else {
        snprintf(valuestring, sizeof(valuestring), "%qd", writeHIBImageMS);
        asl_set(statsMsg, kMsgTracerValueKey, valuestring);
    }
    
    // If readHibImageMS == zero, that means we woke from the contents of memory
    // and did not read the hibernate image.
    snprintf(valuestring, sizeof(valuestring), "%qd", readHIBImageMS);
    asl_set(statsMsg, kMsgTracerValue2Key, valuestring);

    asl_set(statsMsg, ASL_KEY_MSG, "Hibernate Statistics");
    asl_send(NULL, statsMsg);
    asl_free(statsMsg);    
exit:
    return;
}

/*****************************************************************************/

__private_extern__ void logASLMessageApplicationResponse(
    CFStringRef     logSourceString,
    CFStringRef     appNameString,
    CFStringRef     responseTypeString,
    CFNumberRef     responseTime
)
{
    aslmsg                  appMessage;
    char                    appName[128];
    char                    *appNamePtr = NULL;
    int                     time = 0;
    char                    valuestring[25];
    char                    uuidString[128];
    char                    messageString[128];
    char                    logSource[128];
    char                    *logSourcePtr = NULL;
    char *                  useDomain = NULL;
    int                     j = 0;
    bool                    fromKernel = false;

    // String identifying the source of the log is required.
    if (!logSourceString)
        return;
    if (CFEqual(logSourceString, kAppResponseLogSourceKernel))
        fromKernel = true;

    if (responseTypeString && CFEqual(responseTypeString, CFSTR(kIOPMStatsResponseTimedOut))) {
        useDomain = kMsgTracerDomainAppResponseTimedOut;
    } else if (responseTypeString && CFEqual(responseTypeString, CFSTR(kIOPMStatsResponseCancel))) {
        useDomain = kMsgTracerDomainAppResponseCancel;
    } else if (responseTypeString && CFEqual(responseTypeString, CFSTR(kIOPMStatsResponseSlow))) {
        useDomain = kMsgTracerDomainAppResponseSlow;
    }

    if (!useDomain) 
        return;

    appMessage = asl_new(ASL_TYPE_MSG);

    asl_set(appMessage, kMsgTracerDomainKey, useDomain);

    // Message = Failing process name
    if (appNameString)
    {
        if (CFStringGetCString(appNameString, appName, sizeof(appName), kCFStringEncodingUTF8))
        {
            if (!fromKernel)
            {
                appNamePtr = &appName[0];
            }
            else
            {
                // appName is of the string format "pid %d, %s" with 
                // an integer pid and a, string process name.
                // Strip off everything preceding the process name 
                // before we use it to log the process name alone. 

                for(j=0; j<(strlen(appName)-2); j++)
                {
                    if ((',' == appName[j]) && (' ' == appName[j+1]))
                    {
                        appNamePtr = &appName[j+2];
                        break;
                    }
                }
            }
        }
    }
    if (!appNamePtr) {
        appNamePtr = "AppNameUnknown";
    }

    asl_set(appMessage, kMsgTracerSignatureKey, appNamePtr);
    
    // UUID
    if (_getUUIDString(uuidString, sizeof(uuidString))) {
        asl_set(appMessage, kMsgTracerUUIDKey, uuidString);    
    }

    // Value == Time
    if (responseTime) {
        if (CFNumberGetValue(responseTime, kCFNumberIntType, &time)) {
            snprintf(valuestring, sizeof(valuestring), "%d", time);
            asl_set(appMessage, kMsgTracerValueKey, valuestring);
        }
    }

    if (CFStringGetCString(logSourceString, logSource, sizeof(logSource), kCFStringEncodingUTF8))
        logSourcePtr = &logSource[0];
    else
        logSourcePtr = "SourceNameUnknown";

    if (time == 0) {
        snprintf(messageString, sizeof(messageString),
            "%s %s %s", logSourcePtr, appNamePtr, useDomain);
    } else {
        snprintf(messageString, sizeof(messageString),
            "%s %s %s %d ms\n", logSourcePtr, appNamePtr, useDomain, time);
    }           

    asl_set(appMessage, kMsgTracerResultKey, kMsgTracerResultNoop); 

    asl_set(appMessage, ASL_KEY_MSG, messageString);
    
    asl_set(appMessage, ASL_KEY_LEVEL, ASL_STRING_NOTICE);    

    // Post one MessageTracer message per errant app response
    asl_send(NULL, appMessage);
    asl_free(appMessage);
}

/*****************************************************************************/

/* logASLMessageKernelApplicationResponses
 *
 * Logs one ASL message for each errant application notification received. 
 *
 */
__private_extern__ void logASLMessageKernelApplicationResponses(void)
{
    CFArrayRef              appFailuresArray = NULL;
    CFDictionaryRef         *appFailures = NULL;
    CFStringRef             appNameString = NULL;
    CFNumberRef             timeNum = NULL;
    CFNumberRef             messageTypeNum = NULL;
    CFStringRef             responseTypeString = NULL;
    int                     appFailuresCount = 0;
    int                     i = 0;

    appFailuresArray = (CFArrayRef)_copyRootDomainProperty(CFSTR(kIOPMSleepStatisticsAppsKey));
    
    if (!appFailuresArray 
        || (0 == (appFailuresCount = CFArrayGetCount(appFailuresArray)))) 
    {
        goto exit;
    }

    appFailures = (CFDictionaryRef *)calloc(appFailuresCount, sizeof(CFDictionaryRef));

    CFArrayGetValues(appFailuresArray, CFRangeMake(0, appFailuresCount), 
                        (const void **)appFailures);

    for (i=0; i<appFailuresCount; i++) 
    {
        if (!isA_CFDictionary(appFailures[i])) {
            continue;
        }
        
        appNameString       = CFDictionaryGetValue(appFailures[i], CFSTR(kIOPMStatsNameKey));
        timeNum             = CFDictionaryGetValue(appFailures[i], CFSTR(kIOPMStatsTimeMSKey));
        messageTypeNum      = CFDictionaryGetValue(appFailures[i], CFSTR(kIOPMStatsMessageTypeKey));
        responseTypeString  = CFDictionaryGetValue(appFailures[i], CFSTR(kIOPMStatsApplicationResponseTypeKey));

        logASLMessageApplicationResponse(
            kAppResponseLogSourceKernel,
            appNameString,
            responseTypeString,
            timeNum);
    }

exit:
    if (appFailuresArray)
        CFRelease(appFailuresArray);

    if (appFailures)
        free(appFailures);
}

/*****************************************************************************/
/*****************************************************************************/



/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/



/************************* One off hack for AppleSMC
 *************************
 ************************* Send AppleSMC a kCFPropertyTrue
 ************************* on time discontinuities.
 *************************/

static CFMachPortRef        calChangeReceivePort = NULL;

static void setSMCProperty(void)
{
    static io_registry_entry_t     _smc = MACH_PORT_NULL;

    if(MACH_PORT_NULL == _smc) {
        _smc = IOServiceGetMatchingService( MACH_PORT_NULL,
                        IOServiceMatching("AppleSMCFamily"));
    }
    
    if(!_smc) {
        return;
    }
    
    // And simply AppleSMC with kCFBooleanTrue to let them know time is changed.
    // We don't pass any information down.
    IORegistryEntrySetCFProperty( _smc, 
                        CFSTR("TheTimesAreAChangin"), 
                        kCFBooleanTrue);
}

static void handleMachCalendarMessage(CFMachPortRef port, void *msg, 
                                            CFIndex size, void *info)
{
	kern_return_t  result;
    mach_port_t    mport = CFMachPortGetPort(port); 
	mach_port_t	   host_port;
	
	// Re-register for notification
	host_port = mach_host_self();
	result = host_request_notification(host_port, HOST_NOTIFY_CALENDAR_CHANGE, mport);
    if (host_port) mach_port_deallocate(mach_task_self(), host_port);
	if (result != KERN_SUCCESS) {
        // Pretty fatal error. Oh well.
        return;
	}

    setSMCProperty();
}


static void registerForCalendarChangedNotification(void)
{
	mach_port_t tport;
	mach_port_t host_port;
	kern_return_t result;
	CFRunLoopSourceRef rls;

	// allocate the mach port we'll be listening to
	result = mach_port_allocate(mach_task_self(),MACH_PORT_RIGHT_RECEIVE, &tport);
	if (result != KERN_SUCCESS) {
        return;
    }

    calChangeReceivePort = CFMachPortCreateWithPort(
            kCFAllocatorDefault,
            tport,
            (CFMachPortCallBack)handleMachCalendarMessage,
            NULL, /* context */
            false); /* shouldFreeInfo */

    rls = CFMachPortCreateRunLoopSource(
            kCFAllocatorDefault, 
            calChangeReceivePort,
            0); /* index Order */

    CFRunLoopAddSource(CFRunLoopGetCurrent(), rls, kCFRunLoopDefaultMode);

	// register for notification
	host_port = mach_host_self();
	result = host_request_notification(host_port,HOST_NOTIFY_CALENDAR_CHANGE, tport);
    if (host_port) mach_port_deallocate(mach_task_self(), host_port);
}


__private_extern__ int
callerIsRoot(
    int uid,
    int gid
)
{
    return (0 == uid);
}

__private_extern__ int
callerIsAdmin(
    int uid,
    int gid
)
{
    int         ngroups = NGROUPS_MAX+1;
    int         group_list[NGROUPS_MAX+1];
    int         i;
    struct group    *adminGroup;
    struct passwd   *pw;
        
    
    pw = getpwuid(uid);
    if(!pw) return false;
    
    getgrouplist(pw->pw_name, pw->pw_gid, group_list, &ngroups);

    adminGroup = getgrnam("admin");
    if (adminGroup != NULL) {
        gid_t    adminGid = adminGroup->gr_gid;
        for(i=0; i<ngroups; i++)
        {
            if (group_list[i] == adminGid) {
                return TRUE;    // if a member of group "admin"
            }
        }
    }
    return false;
}

__private_extern__ int
callerIsConsole(
    int uid,
    int gid)
{
#if TARGET_OS_EMBEDDED
	return false;
#else
    CFStringRef                 user_name = NULL;
    uid_t                       console_uid;
    gid_t                       console_gid;
    
    user_name = (CFStringRef)SCDynamicStoreCopyConsoleUser(NULL, 
                                    &console_uid, &console_gid);

    if(user_name) {
        CFRelease(user_name);
        return ((uid == console_uid) && (gid == console_gid));
    } else {
        // no data returned re: console user's uid or gid; return "false"
        return false;
    }
#endif /* !TARGET_OS_EMBEDDED */
}


void _oneOffHacksSetup(void) 
{
#if !TARGET_OS_EMBEDDED
    registerForCalendarChangedNotification();
#endif
}

/************************************************************************/
/************************************************************************/
/************************************************************************/
/************************************************************************/
/************************************************************************/

// Code to read AppleSMC

/************************************************************************/
/************************************************************************/
/************************************************************************/
/************************************************************************/
/************************************************************************/
// Forwards
static IOReturn _smcWriteKey(
    uint32_t key,
    uint8_t *outBuf,
    uint8_t outBufMax);
static IOReturn _smcReadKey(
    uint32_t key,
    uint8_t *outBuf,
    uint8_t *outBufMax);

/************************************************************************/
__private_extern__ IOReturn _getSystemManagementKeyInt32(
    uint32_t key, 
    uint32_t *val)
{
#if !TARGET_OS_EMBEDDED    
    uint8_t readKeyLen = 4;
    return _smcReadKey(key, (void *)val, &readKeyLen);
#else
    return kIOReturnNotReadable;
#endif
}
/************************************************************************/
__private_extern__ IOReturn _getACAdapterInfo(
    uint64_t *val)
{
#if !TARGET_OS_EMBEDDED    
    uint8_t readKeyLen = 8;
    return _smcReadKey('ACID', (void *)val, &readKeyLen);
#else
    return kIOReturnNotReadable;
#endif
}

/************************************************************************/
__private_extern__ IOReturn _smcWakeTimerPrimer(void)
{
#if !TARGET_OS_EMBEDDED    
    uint8_t  buf[2];
    
    buf[0] = 0; 
    buf[1] = 1;
    return _smcWriteKey('CLWK', buf, 2);
#else
    return kIOReturnNotReadable;
#endif
}

/************************************************************************/
__private_extern__ IOReturn _smcWakeTimerGetResults(uint16_t *mSec)
{
#if !TARGET_OS_EMBEDDED    
    uint8_t     size = 2;
    uint8_t     buf[2];
    IOReturn    ret;
    ret = _smcReadKey('CLWK', buf, &size);

    if (kIOReturnSuccess == ret) {
        *mSec = buf[0] | (buf[1] << 8);
    }

    return ret;
#else
    return kIOReturnNotReadable;
#endif
}


/************************************************************************/
/************************************************************************/
#if !TARGET_OS_EMBEDDED

// Todo: verify kSMCKeyNotFound
enum {
    kSMCKeyNotFound = 0x84
};

/* Do not modify - defined by AppleSMC.kext */
enum {
	kSMCSuccess	= 0,
	kSMCError	= 1
};
enum {
	kSMCUserClientOpen  = 0,
	kSMCUserClientClose = 1,
	kSMCHandleYPCEvent  = 2,	
    kSMCReadKey         = 5,
	kSMCWriteKey        = 6,
	kSMCGetKeyCount     = 7,
	kSMCGetKeyFromIndex = 8,
	kSMCGetKeyInfo      = 9
};
/* Do not modify - defined by AppleSMC.kext */
typedef struct SMCVersion 
{
    unsigned char    major;
    unsigned char    minor;
    unsigned char    build;
    unsigned char    reserved;
    unsigned short   release;
    
} SMCVersion;
/* Do not modify - defined by AppleSMC.kext */
typedef struct SMCPLimitData 
{
    uint16_t    version;
    uint16_t    length;
    uint32_t    cpuPLimit;
    uint32_t    gpuPLimit;
    uint32_t    memPLimit;

} SMCPLimitData;
/* Do not modify - defined by AppleSMC.kext */
typedef struct SMCKeyInfoData 
{
    IOByteCount         dataSize;
    uint32_t            dataType;
    uint8_t             dataAttributes;

} SMCKeyInfoData;
/* Do not modify - defined by AppleSMC.kext */
typedef struct {
    uint32_t            key;
    SMCVersion          vers;
    SMCPLimitData       pLimitData;
    SMCKeyInfoData      keyInfo;
    uint8_t             result;
    uint8_t             status;
    uint8_t             data8;
    uint32_t            data32;    
    uint8_t             bytes[32];
}  SMCParamStruct;

static IOReturn callSMCFunction(
    int which, 
    SMCParamStruct *inputValues, 
    SMCParamStruct *outputValues);

/************************************************************************/
// Methods
static IOReturn _smcWriteKey(
    uint32_t key,
    uint8_t *outBuf,
    uint8_t outBufMax)
{
    SMCParamStruct  stuffMeIn;
    SMCParamStruct  stuffMeOut;
    IOReturn        ret;
    int             i;

    if (key == 0) 
        return kIOReturnCannotWire;

    bzero(&stuffMeIn, sizeof(SMCParamStruct));
    bzero(&stuffMeOut, sizeof(SMCParamStruct));

    // Determine key's data size
    stuffMeIn.data8             = kSMCGetKeyInfo;
    stuffMeIn.key               = key;
    
    ret = callSMCFunction(kSMCHandleYPCEvent, &stuffMeIn, &stuffMeOut);
    
    if (stuffMeOut.result == kSMCKeyNotFound) {
        ret = kIOReturnNotFound;
        goto exit;
    } else if (stuffMeOut.result != kSMCSuccess) {
        ret = kIOReturnInternalError;
        goto exit;
    }
    
    // Write Key
    stuffMeIn.data8             = kSMCWriteKey;
    stuffMeIn.key               = key;    
    stuffMeIn.keyInfo.dataSize  = stuffMeOut.keyInfo.dataSize;
    if (outBuf) {
        if (outBufMax > 32) outBufMax = 32;
        for (i=0; i<outBufMax; i++) {
            stuffMeIn.bytes[i] = outBuf[i];
        }
    }
    bzero(&stuffMeOut, sizeof(SMCParamStruct));
    ret = callSMCFunction(kSMCHandleYPCEvent, &stuffMeIn, &stuffMeOut);
    
    if (stuffMeOut.result != kSMCSuccess) {
        ret = kIOReturnInternalError;
        goto exit;
    }

exit:
    return ret;
}

static IOReturn _smcReadKey(
    uint32_t key,
    uint8_t *outBuf,
    uint8_t *outBufMax)
{
    SMCParamStruct  stuffMeIn;
    SMCParamStruct  stuffMeOut;
    IOReturn        ret;
    int             i;

    if (key == 0 || outBuf == NULL) 
        return kIOReturnCannotWire;

    // Determine key's data size
    bzero(outBuf, *outBufMax);
    bzero(&stuffMeIn, sizeof(SMCParamStruct));
    bzero(&stuffMeOut, sizeof(SMCParamStruct));
    stuffMeIn.data8 = kSMCGetKeyInfo;
    stuffMeIn.key = key;

    ret = callSMCFunction(kSMCHandleYPCEvent, &stuffMeIn, &stuffMeOut);

    if (stuffMeOut.result == kSMCKeyNotFound) {
        ret = kIOReturnNotFound;
        goto exit;
    } else if (stuffMeOut.result != kSMCSuccess) {
        ret = kIOReturnInternalError;
        goto exit;
    }

    // Get Key Value
    stuffMeIn.data8 = kSMCReadKey;
    stuffMeIn.key = key;
    stuffMeIn.keyInfo.dataSize = stuffMeOut.keyInfo.dataSize;
    bzero(&stuffMeOut, sizeof(SMCParamStruct));
    ret = callSMCFunction(kSMCHandleYPCEvent, &stuffMeIn, &stuffMeOut);
    if (stuffMeOut.result == kSMCKeyNotFound) {
        ret = kIOReturnNotFound;
        goto exit;
    } else if (stuffMeOut.result != kSMCSuccess) {
        ret = kIOReturnInternalError;
        goto exit;
    }

    if (*outBufMax > stuffMeIn.keyInfo.dataSize)
        *outBufMax = stuffMeIn.keyInfo.dataSize;

    // Byte-swap data returning from the SMC.
    // The data at key 'ACID' are not provided by the SMC and do 
    // NOT need to be byte-swapped.
    for (i=0; i<*outBufMax; i++) 
    {
        if ('ACID' == key)
        {
            // Do not byte swap
            outBuf[i] = stuffMeOut.bytes[i];
        } else {
            // Byte swap
            outBuf[i] = stuffMeOut.bytes[*outBufMax - (i + 1)];
        }
    }
exit:
    return ret;
}

static IOReturn callSMCFunction(
    int which, 
    SMCParamStruct *inputValues, 
    SMCParamStruct *outputValues) 
{
    IOReturn result = kIOReturnError;

    size_t         inStructSize = sizeof(SMCParamStruct);
    size_t         outStructSize = sizeof(SMCParamStruct);
    
    io_connect_t    _SMCConnect = IO_OBJECT_NULL;
    io_service_t    smc = IO_OBJECT_NULL;

    smc = IOServiceGetMatchingService(
        kIOMasterPortDefault, 
        IOServiceMatching("AppleSMC"));
    if (IO_OBJECT_NULL == smc) {
        return kIOReturnNotFound;
    }
    
    result = IOServiceOpen(smc, mach_task_self(), 1, &_SMCConnect);        
    if (result != kIOReturnSuccess || 
        IO_OBJECT_NULL == _SMCConnect) {
        _SMCConnect = IO_OBJECT_NULL;
        goto exit;
    }
    
    result = IOConnectCallMethod(_SMCConnect, kSMCUserClientOpen, 
                    NULL, 0, NULL, 0, NULL, NULL, NULL, NULL);
    if (result != kIOReturnSuccess) {
        goto exit;
    }
    
    result = IOConnectCallStructMethod(_SMCConnect, which, 
                        inputValues, inStructSize,
                        outputValues, &outStructSize);

exit:    
    if (IO_OBJECT_NULL != _SMCConnect) {
        IOConnectCallMethod(_SMCConnect, kSMCUserClientClose, 
                    NULL, 0, NULL, 0, NULL, NULL, NULL, NULL);
        IOServiceClose(_SMCConnect);    
    }

    return result;
}

#endif /* TARGET_OS_EMBEDDED */

/*****************************************************************************/
/*****************************************************************************/

__private_extern__ IOReturn 
_pm_scheduledevent_choose_best_wake_event(
    int                 selector,
    CFAbsoluteTime      chosenTime)
{
    static CFAbsoluteTime      chosenMaintTime = 0;
    static CFAbsoluteTime      chosenWakeTime = 0;

    static bool PMConnectionReported = false;
    static bool AutoWakeReported = false;

    CFDateRef       theChosenDate = NULL;
    CFStringRef     scheduleWakeType = NULL;
    CFAbsoluteTime  scheduleTime = 0;
    
    IOReturn        ret = kIOReturnSuccess;
    
    if (kChooseReset == selector)
    {
        chosenMaintTime = chosenWakeTime = 0;
        PMConnectionReported = AutoWakeReported = false;
//        asl_log(NULL, NULL, ASL_LEVEL_ERR, "PMConfigd choose event: RESET");
    } else     
    if (kChooseMaintenance == selector)
    {
        PMConnectionReported = true;
        chosenMaintTime = chosenTime;
//        asl_log(NULL, NULL, ASL_LEVEL_ERR, "PMConfigd choose event: Maintenance for delta %d secs", chosenTime == 0 ? 0 : (int)(chosenTime - CFAbsoluteTimeGetCurrent()));
    } else
    if (kChooseFullWake == selector)
    {
        AutoWakeReported = true;
        chosenWakeTime = chosenTime;
//        asl_log(NULL, NULL, ASL_LEVEL_ERR, "PMConfigd choose event: Full wake for delta %d secs", chosenTime == 0 ? 0 : (int)(chosenTime - CFAbsoluteTimeGetCurrent()));
    }

    /*****/
    
    if (!(PMConnectionReported && AutoWakeReported))
    {
        // Wait for the other one to respond.
        ret = kIOReturnSuccess;
        goto exit;
    } else
    if (chosenMaintTime == 0
      && chosenWakeTime == 0) 
    {
        // nothing to schedule. bail.
        ret = kIOReturnSuccess;
        goto exit;
    } else
    if (chosenMaintTime == 0
        || (chosenWakeTime != 0 
        && chosenWakeTime <= chosenMaintTime))
    {
        // Schedule the full wake.
        scheduleWakeType = CFSTR(kIOPMAutoWakeScheduleImmediate);
        scheduleTime = chosenWakeTime;
    } else
    if (chosenWakeTime == 0
        || (chosenMaintTime != 0
        && chosenWakeTime > chosenMaintTime))
    {
        // Schedule the maintenance wake.
        scheduleWakeType = CFSTR(kIOPMMaintenanceScheduleImmediate);
        scheduleTime = chosenMaintTime;
    }

    if (scheduleWakeType
        && scheduleTime != 0)
    {
        theChosenDate = CFDateCreate(0, scheduleTime);
        if (theChosenDate) 
        {
            ret = IOPMSchedulePowerEvent(theChosenDate, NULL, scheduleWakeType);

//        asl_log(NULL, NULL, ASL_LEVEL_ERR, "PMConfigd choose event: Scheduled event %s", 
//            (scheduleWakeType == CFSTR(kIOPMAutoWakeScheduleImmediate) ?
//                    kIOPMAutoWakeScheduleImmediate : kIOPMMaintenanceScheduleImmediate));
        
            CFRelease(theChosenDate);
        }
    }

    ret = kIOReturnSuccess;
exit:
    return ret;
}