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103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/* -*-c-*-:
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**
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** (C) 2003 Intel Corporation
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** Atul Sabharwal <atul.sabharwal@intel.com>
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**
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** $Id: table.c,v 1.4 2004/03/18 21:56:24 atul Exp $
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**
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** Distributed under the terms of the GNU Public License, v2.0 or
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** later.
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**
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** Many parts heavily based on test-skeleton.c, by Ulrich Drepper;
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** with his permission, they have been re-licensed GPL, and his
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** copyright still applies on them.
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**
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*/
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#include <stdio.h>
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#define TABLE_SIZE 100
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#define PROVISION_DB "/usr/local/bin/provision.tbl"
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struct provision_record
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{
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int id;
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int host_num; //port # or adaptor number
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int num_disks;
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int chassis_num;
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int slot_num;
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char serial_num[32];
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char name[32];
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} ptable[TABLE_SIZE];
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int ptable_size;
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/* Initialize the provisioning table by reading the data from special file provision.tbl *
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Return error if something does not work appropriately. */
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int table_init()
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{
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FILE *fp;
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char ptr[255];
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int i;
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fp=fopen( PROVISION_DB, "r");
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if ((fp== NULL) || feof(fp))
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return -1;
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//skip the first line of text which contains descriptive details.
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fgets(ptr, 80, fp);
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i = 0;
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while (!feof(fp))
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{
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fgets(ptr, 80, fp);
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sscanf( ptr, "%d %d %d %d %d %s %s", &ptable[i].id, &ptable[i].host_num,
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&ptable[i].num_disks, &ptable[i].chassis_num, &ptable[i].slot_num,
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ptable[i].serial_num, ptable[i].name );
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i++;
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}
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ptable_size = i;
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fclose(fp);
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return 0;
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}
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/* return -1 when no disk found. Otherwise return index of disk */
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int table_find_disk( char * serialnumber , int * host_num, int * chassis_num, int *slot_num)
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{
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int i;
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for(i = 0; i < ptable_size; i++)
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{
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if(strcmp(ptable[i].serial_num, serialnumber) == 0)
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{
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*host_num = ptable[i].host_num;
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*chassis_num = ptable[i].chassis_num;
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*slot_num = ptable[i].slot_num;
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break;
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}
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}
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if(i == ptable_size)
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return -1;
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else
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return i;
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}
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/* This function is primarily there for passing the selected disk entry to udev so that *
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* it can create descriptive GDN for it. So, for that we need to output this data to *
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* stdout. */
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int table_select_disk( int diskindex )
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{
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printf("%d ", ptable[diskindex].chassis_num);
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printf("%d ", ptable[diskindex].slot_num);
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printf("%d ", ptable[diskindex].host_num);
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printf("%s ", ptable[diskindex].name);
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}
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