/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <stdarg.h>
#include <syslog.h>
#include <sys/openpromio.h>
#include <libintl.h>
#include "pdevinfo.h"
#include "display.h"

#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN     "SYS_TEST"
#endif

/*
 * external data
 */
extern int      print_flag;
extern int      logging;

/*
 * The following macros for dealing with raw output from the Mostek 48T02
 * were borrowed from the kernel. Openboot passes the raw Mostek data
 * thru the device tree, and there are no library routines to deal with
 * this data.
 */

/*
 * Tables to convert a single byte from binary-coded decimal (BCD).
 */
static uchar_t bcd_to_byte[256] = {             /* CSTYLED */
         0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  0,  0,  0,  0,  0,  0,
        10, 11, 12, 13, 14, 15, 16, 17, 18, 19,  0,  0,  0,  0,  0,  0,
        20, 21, 22, 23, 24, 25, 26, 27, 28, 29,  0,  0,  0,  0,  0,  0,
        30, 31, 32, 33, 34, 35, 36, 37, 38, 39,  0,  0,  0,  0,  0,  0,
        40, 41, 42, 43, 44, 45, 46, 47, 48, 49,  0,  0,  0,  0,  0,  0,
        50, 51, 52, 53, 54, 55, 56, 57, 58, 59,  0,  0,  0,  0,  0,  0,
        60, 61, 62, 63, 64, 65, 66, 67, 68, 69,  0,  0,  0,  0,  0,  0,
        70, 71, 72, 73, 74, 75, 76, 77, 78, 79,  0,  0,  0,  0,  0,  0,
        80, 81, 82, 83, 84, 85, 86, 87, 88, 89,  0,  0,  0,  0,  0,  0,
        90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
};

#define BCD_TO_BYTE(x)  bcd_to_byte[(x) & 0xff]
#define YRBASE  68

static int days_thru_month[64] = {
        0, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366, 0, 0,
        0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365, 0, 0,
        0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365, 0, 0,
        0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365, 0, 0,
};

/*
 * This function takes the raw Mostek data from the device tree translates
 * it into UNIXC time (secs since Jan 1, 1970) and returns a string from
 * ctime(3c).
 */
char *
get_time(uchar_t *mostek)
{
        time_t utc;
        int sec, min, hour, day, month, year;

        year    = BCD_TO_BYTE(mostek[6]) + YRBASE;
        month   = BCD_TO_BYTE(mostek[5] & 0x1f) + ((year & 3) << 4);
        day     = BCD_TO_BYTE(mostek[4] & 0x3f);
        hour    = BCD_TO_BYTE(mostek[2] & 0x3f);
        min     = BCD_TO_BYTE(mostek[1] & 0x7f);
        sec     = BCD_TO_BYTE(mostek[0] & 0x7f);

        utc = (year - 70);              /* next 3 lines: utc = 365y + y/4 */
        utc += (utc << 3) + (utc << 6);
        utc += (utc << 2) + ((year - 69) >> 2);
        utc += days_thru_month[month] + day - 1;
        utc = (utc << 3) + (utc << 4) + hour;   /* 24 * day + hour */
        utc = (utc << 6) - (utc << 2) + min;    /* 60 * hour + min */
        utc = (utc << 6) - (utc << 2) + sec;    /* 60 * min + sec */

        return (ctime((time_t *)&utc));
}

void
disp_powerfail(Prom_node *root)
{
        Prom_node *pnode;
        char *option_str = "options";
        char *pf_str = "powerfail-time";
        char *value_str;
        time_t value;

        pnode = dev_find_node(root, option_str);
        if (pnode == NULL) {
                return;
        }

        value_str = get_prop_val(find_prop(pnode, pf_str));
        if (value_str == NULL) {
                return;
        }

        value = (time_t)atoi(value_str);
        if (value == 0)
                return;

        (void) log_printf(
                dgettext(TEXT_DOMAIN,
                        "Most recent AC Power Failure:\n"));
        (void) log_printf("=============================\n");
        (void) log_printf("%s", ctime(&value));
        (void) log_printf("\n");
}


/*VARARGS1*/
void
log_printf(char *fmt, ...)
{
        va_list ap;
        int len;
        static char bigbuf[4096];
        char buffer[1024];

        if (print_flag == 0) {
                return;
        }

        va_start(ap, fmt);
        if (logging != 0) {
                len = vsprintf(buffer, fmt, ap);
                (void) strcat(bigbuf, buffer);

                /* we only call to syslog when we get the entire line. */
                if (buffer[len-1] == '\n') {
                        syslog(LOG_DAEMON|LOG_NOTICE, bigbuf);
                        bigbuf[0] = 0;
                }

        } else {
                (void) vprintf(fmt, ap);
        }
        va_end(ap);
}

void
print_header(int board)
{
        log_printf("\n");
        log_printf(dgettext(TEXT_DOMAIN,
                "Analysis for Board %d\n"), board, 0);
        log_printf("--------------------\n", 0);
}