/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef _OSL_TIME_H_
#define _OSL_TIME_H_

#include <sal/types.h>

#ifdef __cplusplus
extern "C" {
#endif

/****************************************************************************/
/* TimeValue                                                                */
/****************************************************************************/

#ifdef SAL_W32
#	pragma pack(push, 8)
#elif defined(SAL_OS2)
#	pragma pack(push, 4)
#endif

/* Time since Jan-01-1970 */

typedef struct {
    sal_uInt32 Seconds;
    sal_uInt32 Nanosec;
} TimeValue;

#if defined( SAL_W32) ||  defined(SAL_OS2)
#	pragma pack(pop)
#endif


/****************************************************************************/
/* oslDateTime */
/****************************************************************************/

typedef struct _oslDateTime
{
	/*----------------------------------------------------------------------*/
	/** contains the nanoseconds .
	*/
	sal_uInt32 NanoSeconds;

	/** contains the seconds (0-59).
	*/
	sal_uInt16 Seconds;

	/*----------------------------------------------------------------------*/
	/** contains the minutes (0-59).
	*/
	sal_uInt16 Minutes;

	/*----------------------------------------------------------------------*/
	/** contains the hour (0-23).
	*/
	sal_uInt16 Hours;

	/*----------------------------------------------------------------------*/
	/** is the day of month (1-31).
	*/
	sal_uInt16 Day;

	/*----------------------------------------------------------------------*/
	/** is the day of week (0-6 , 0 : Sunday).
	*/
	sal_uInt16 DayOfWeek;

	/*----------------------------------------------------------------------*/
	/** is the month of year (1-12).
	*/
	sal_uInt16 Month;

	/*----------------------------------------------------------------------*/
	/** is the year.
	*/
	sal_uInt16 Year;

} oslDateTime;
	

/** Get the current system time as TimeValue.
	@return false if any error occurs.
*/
sal_Bool SAL_CALL osl_getSystemTime( TimeValue* pTimeVal );


/** Get the GMT from a TimeValue and fill a struct oslDateTime
	@param pTimeVal[in] TimeValue
	@param pDateTime[out] On success it receives a struct oslDateTime

	@return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getDateTimeFromTimeValue( TimeValue* pTimeVal, oslDateTime* pDateTime );


/** Get the GMT from a oslDateTime and fill a TimeValue
	@param pDateTime[in] oslDateTime
	@param pTimeVal[out] On success it receives a TimeValue

	@return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getTimeValueFromDateTime( oslDateTime* pDateTime, TimeValue* pTimeVal );


/** Convert GMT to local time 
	@param pSystemTimeVal[in] system time to convert
	@param pLocalTimeVal[out] On success it receives the local time

	@return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getLocalTimeFromSystemTime( TimeValue* pSystemTimeVal, TimeValue* pLocalTimeVal );


/** Convert local time to GMT
	@param pLocalTimeVal[in] local time to convert
	@param pSystemTimeVal[out] On success it receives the system time

	@return sal_False if any error occurs else sal_True.
*/
sal_Bool SAL_CALL osl_getSystemTimeFromLocalTime( TimeValue* pLocalTimeVal, TimeValue* pSystemTimeVal );


/** Get the value of the global timer
    @return current timer value in milli seconds
 */

sal_uInt32 SAL_CALL osl_getGlobalTimer(void);
 
#ifdef __cplusplus
}
#endif

#endif	/* _OSL_TIME_H_ */