/*
**	$RCSfile: sysmon.h,v $
**	$Filename: sysmon.h $
**	$Revision: 0.6 $
**	$Date: 1995/11/04 14:08:55 $
**
**	sysmon.library C header file (version 0.6) 
**	
**	(C) Copyright 1995 by Etienne Vogt
*/

#ifndef LIBRARIES_SYSMON_H
#define LIBRARIES_SYSMON_H

#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif

#ifndef EXEC_LIBRARIES_H
#include <exec/libraries.h>
#endif

#ifndef DEVICES_TIMER_H
#include <devices/timer.h>
#endif

#ifndef DOS_DATETIME_H
#include <dos/datetime.h>
#endif

/* Library data structure
** All field in the SysmonBase structure are PRIVATE !!!
** Don't access these directly as they will change in future versions.
** You have been warned !!!
*/

#define	HASHSIZE	32
#define HASHMASK	0xf8

struct SysmonBase
{	struct Library sb_Lib;			/* Standard lib node	*/
	UBYTE	sb_Flags;			/* Some flags here	*/
	UBYTE	sb_pad;				/* We are now longword aligned	*/
	struct ExecBase *sb_ExecBase;		/* Pointer to exec	*/
	struct Library *sb_UtilityBase;		/* Pointer to utility	*/
	BPTR	sb_SegList;			/* SegList BCPL pointer	*/
	struct TaskInfo *sb_CurrTaskInfo;	/* Current TaskInfo Structure	*/
	APTR	sb_Switch;			/* Original Switch() entry point	*/
	APTR	sb_Dispatch;			/* Original Dispatch() entry point	*/
	APTR	sb_AddTask;			/* Original AddTask() entry point	*/
	APTR	sb_RemTask;			/* Original RemTask() entry point	*/
	APTR	sb_TaskExit;			/* Original ExecBase->TaskExitCode	*/
	struct timerequest sb_TimeReq;		/* Time Request	*/
	struct EClockVal sb_TempTime;		/* Temporary EClock Time	*/
	struct List sb_TaskFrozen;		/* Frozen task list	*/
	UWORD	sb_Reserved0;			/* For longword alignment	*/
	struct TaskInfo *sb_TaskInfoHash[HASHSIZE]; /* TaskInfo hash table	*/
	APTR	sb_FindTask;			/* Original FindTask() entry point */
	APTR	sb_ServerEntry;			/* Server process entry point	*/
	STRPTR	sb_ServerName;			/* Server process name	*/
	STRPTR	sb_SyslogFile;			/* SysLog file name	*/
	STRPTR	sb_SyslogWindow;		/* Syslog Window Name	*/
	UBYTE	sb_FilePri;			/* File logging priority	*/
	UBYTE	sb_WindowPri;			/* Window logging priority	*/
	UBYTE	sb_ConsolePri;			/* Console logging priority	*/
	UBYTE	sb_NumLogBuffers;		/* Number of allocated Buffers	*/
	struct SysLogMsg *sb_Buffers;		/* Pointer to allocated buffers	*/
	struct Library *sb_DOSBase;		/* Pointer to dos	*/
	struct DateTime	*sb_DateTime;		/* SysLog DateTime structure */
	ULONG	sb_StampPeriod;			/* Period for syslog file stamp	*/
	BPTR	sb_LogWindowHandle;		/* LogWindow file handle	*/
	struct Library *sb_IntuitionBase;	/* Pointer to intuition	*/
	ULONG	sb_LastGuru;			/* Guru Meditation code after crash */
	struct MsgPort *sb_SyslogPort;		/* Pointer to Syslog MsgPort	*/
};

/* The TaskInfo structure contains the CPU usage information in EClock ticks.
** The link pointers are private and should not be used. Use the smNextTaskInfo()
** function to traverse the list.
** This structure may be extended later with new fields.
*/

struct TaskInfo
{	struct TaskInfo *ti_Link;		/* PRIVATE pointer to next TaskInfo */
	struct TaskInfo *ti_Pred;		/* PRIVATE pointer to previous TaskInfo	*/
	struct Task *ti_Task;			/* pointer to Task Control Block */
	ULONG	ti_DispCount;			/* Task Dispatch counter */
	struct EClockVal ti_StartTime;		/* Starting EClock Time	*/
	struct EClockVal ti_LaunchTime;		/* Last Launch Time */
	struct EClockVal ti_CPUTime;		/* Cumulated CPU Time */
};

/* This is the private structure used by smVSysLog() to communicate with the
** Sysmon.server process.
*/

#define	SM_MAXLOGCHARS	256			/* Max bytes in SysLog message	*/

struct	SysLogMsg
{	struct Message	slm_MsgHead;		/* Message header	*/
	ULONG	slm_Priority;			/* SysLog priority and flags	*/
	UBYTE	slm_Text[SM_MAXLOGCHARS];	/* Syslog Message body	*/
};

#define	SYSMONNAME	"sysmon.library"
#define	SERVERNAME	"Sysmon.server"

/* Definition of sb_Flags bits	*/

#define SBFB_FPU	0			/* System has a FPU	*/
#define	SBFF_FPU	(1L << 0)
#define	SBFB_IDLELED	1			/* Dim power LED when CPU is idle	*/
#define	SBFF_IDLELED	(1L << 1)

/* Alert Definitions
** These are the Guru codes that sysmon.library can spit out in a panic
** condition.
*/

#define	AN_Sysmon	0x40000000		/* SubSystem ID	*/
#define	AN_smNoTaskInfo	0xC0000001		/* No TaskInfo at Dispatch() time	*/
#define	AN_smNoTIMem	0x40010002		/* No mem for TaskInfo at startup	*/
#define	AN_smSysLogBuf	0x40010003		/* No memory for syslog buffers	*/
#define	AN_BadSysLogMsg	0x40000004		/* Bad SysLogMsg received by server */
#define AO_Sysmon	0x00008040		/* Alert object	*/

/* New Task States Definitions
** TS_STOP is not a real state. It is used by ShowSys to identify tasks that
** are stuck in a Wait(0) call, such as crashed tasks that have been suspended.
*/

#define	TS_FROZENW	0x80			/* Frozen task previously in WAIT state	*/
#define	TS_STOP		TS_FROZENW		/* Stopped task (Wait(0L))	*/
#define	TS_FROZEN	0x81			/* Frozen task	*/

/* SysLog Priorities and flags
** The priorities are similar to that used on UNIX systems. This means that
** the values use the UNIX ordering that is reversed from the Amiga one.
** The flags are Amiga and sysmon specifics.
*/

#define	LOG_EMERG	0			/* Panic condition (Guru time)	*/
#define	LOG_ALERT	1			/* Very serious problem	*/
#define LOG_CRIT	2			/* Critical error	*/
#define	LOG_ERR		3			/* General error condition	*/
#define	LOG_WARN	4			/* Warning condition	*/
#define	LOG_NOTICE	5			/* Noticeable event	*/
#define	LOG_INFO	6			/* General informational event	*/
#define	LOG_DEBUG	7			/* Debugging information	*/
#define	LOG_PRI		0x07			/* Mask for priority field	*/

#define	LOG_INUSE	0x80000000		/* Message is in use (private !) */
#define	LOG_NOHEAD	0x40000000		/* Don't prepend header	*/
#define	LOG_NOWIN	0x20000000		/* Don't output to window	*/
#define	LOG_NOFILE	0x10000000		/* Don't output to file	*/

#define	LOGB_INUSE	31			/* Bit numbers for flags	*/
#define	LOGB_NOHEAD	30
#define	LOGB_NOWIN	29
#define	LOGB_NOFILE	28

/* Flags definitions for smHalt()	*/

#define	HALTB_REBOOT	0		/* Reboot immediately	*/
#define	HALTF_REBOOT	(1L << 0)
#define	HALTB_REKICK	1		/* Reload kickstart on MMU-Kicked systems.	*/
#define	HALTF_REKICK	(1L << 1)

#endif  /* LIBRARIES_SYSMON_H */