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/*
* table.c
*
* Copyright (C) 2004 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2.0 as published by the Free Software Foundation;
*
* 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 021110-1307, USA.
*
* Authors: Atul Sabharwal
*
*/
#include <stdio.h>
#include <string.h>
#include "chassis_id.h"
#define TABLE_SIZE 100
#define PROVISION_DB "/usr/local/bin/provision.tbl"
struct provision_record
{
int id;
int num_disks;
int chassis_num;
int slot_num;
char serial_num[32];
char name[32];
} ptable[TABLE_SIZE];
int ptable_size;
/* Initialize the provisioning table by reading the data from special file provision.tbl *
Return error if something does not work appropriately. */
int table_init(void)
{
FILE *fp;
char ptr[255];
int i;
fp = fopen( PROVISION_DB, "r");
if ((fp== NULL) || feof(fp))
return -1;
// skip the first line of text which contains descriptive details.
fgets(ptr, 80, fp);
i = 0;
while (!feof(fp)) {
fgets(ptr, 80, fp);
sscanf(ptr, "%d %d %d %d %s %s", &ptable[i].id,
&ptable[i].num_disks,
&ptable[i].chassis_num, &ptable[i].slot_num,
ptable[i].serial_num, ptable[i].name);
i++;
}
ptable_size = i;
fclose(fp);
return 0;
}
/* return -1 when no disk found. Otherwise return index of disk */
int table_find_disk(const char *serialnumber , int *chassis_num, int *slot_num)
{
int i;
for (i = 0; i < ptable_size; i++) {
if (strcmp(ptable[i].serial_num, serialnumber) == 0) {
*chassis_num = ptable[i].chassis_num;
*slot_num = ptable[i].slot_num;
break;
}
}
if (i == ptable_size)
return -1;
else
return i;
}
/* This function is primarily there for passing the selected disk entry to udev
* so that it can create descriptive GDN for it. So, for that we need to output
* this data to stdout.
*/
int table_select_disk(int diskindex)
{
printf("%d ", ptable[diskindex].chassis_num);
printf("%d ", ptable[diskindex].slot_num);
printf("%s ", ptable[diskindex].name);
return 0;
}
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