/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (c) 2005 Cluster File Systems, Inc.
- * Author: PJ Kirner <pjkirner@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre 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.
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * snmp/lustre-snmp-util.c
+ *
+ * Author: PJ Kirner <pjkirner@clusterfs.com>
*/
/*
*/
#include <sys/types.h>
+#if defined (__linux__)
#include <sys/vfs.h>
+#endif
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <stdarg.h>
+#include <string.h>
#include "lustre-snmp-util.h"
/*********************************************************************
int get_sysstatus(void)
{
- FILE *fptr = NULL;
- int len = 0;
int ret_val = ERROR ;
char sys_status[50] = {0};
if ((ret_val = read_string(file_path, file_data,sizeof(file_data))) == SUCCESS) {
tmp = atoll(file_data) * factor;
- c64->low = (ulong) (0x0FFFFFFFF & tmp);
+ c64->low = (unsigned long) (0x0FFFFFFFF & tmp);
tmp >>= 32; /* Shift right by 4 bytes */
- c64->high = (ulong) (0x0FFFFFFFF & tmp);
+ c64->high = (unsigned long) (0x0FFFFFFFF & tmp);
}
return ret_val;
}
size_t *var_len)
{
static unsigned char string[SPRINT_MAX_LEN];
- if( SUCCESS != read_string(file_path, string,sizeof(string)))
+ if( SUCCESS != read_string(file_path, (char *)string,sizeof(string)))
return NULL;
- *var_len = strlen(string);
+ *var_len = strlen((char *)string);
return (unsigned char *) string;
}
return ret_val;
};
+/**************************************************************************
+ * Function: stats_values
+ *
+ * Description: Setup nb_sample, min, max, sum and sum_square stats values
+ for name_value from filepath.
+ *
+ * Input: filepath, name_value,
+ * pointer to nb_sample, min, max, sum, sum_square
+ *
+ * Output: SUCCESS or ERROR on failure
+ *
+ **************************************************************************/
+int stats_values(char * filepath,char * name_value, unsigned long long * nb_sample, unsigned long long * min, unsigned long long * max, unsigned long long * sum, unsigned long long * sum_square)
+{
+ FILE * statfile;
+ char line[MAX_LINE_SIZE];
+ int nbReadValues = 0;
+
+ if( (statfile=fopen(filepath,"r")) == NULL) {
+ report("stats_value() failed to open %s",filepath);
+ return ERROR;
+ }
+/*find the good line for name_value*/
+ do {
+ if( fgets(line,MAX_LINE_SIZE,statfile) == NULL ) {
+ report("stats_values() failed to find %s values in %s stat_file",name_value,statfile);
+ goto error_out;
+ }
+ } while ( strstr(line,name_value) == NULL );
+/*get stats*/
+ if((nbReadValues=sscanf(line,"%*s %llu %*s %*s %llu %llu %llu %llu",nb_sample,min,max,sum,sum_square)) == 5) {
+ goto success_out;
+ } else if( nbReadValues == 1 && *nb_sample == 0) {
+ *min = *max = *sum = *sum_square = 0;
+ goto success_out;
+ } else {
+ report("stats_values() failed to read stats_values for %s value in %s stat_file",name_value,statfile);
+ goto error_out;
+ }
+
+success_out :
+ fclose(statfile);
+ return SUCCESS;
+error_out :
+ fclose(statfile);
+ return ERROR;
+}
+
+/**************************************************************************
+ * Function: mds_stats_values
+ *
+ * Description: Setup nb_sample, min, max, sum and sum_square stats values
+ for mds stats name_value .
+ *
+ * Input: name_value,
+ * pointer to nb_sample, min, max, sum, sum_square
+ *
+ * Output: SUCCESS or ERROR on failure
+ *
+ **************************************************************************/
+extern int mds_stats_values(char * name_value, unsigned long long * nb_sample, unsigned long long * min, unsigned long long * max, unsigned long long * sum, unsigned long long * sum_square)
+{
+ unsigned long long tmp_nb_sample=0,tmp_min=0,tmp_max=0,tmp_sum=0,tmp_sum_square=0;
+/*we parse the three MDS stat files and sum values*/
+ if( stats_values(FILEPATH_MDS_SERVER_STATS,name_value,&tmp_nb_sample,&tmp_min,&tmp_max,&tmp_sum,&tmp_sum_square) == ERROR ) {
+ return ERROR;
+ } else {
+ *nb_sample=tmp_nb_sample;
+ *min=tmp_min;
+ *max=tmp_max;
+ *sum=tmp_sum;
+ *sum_square=tmp_sum_square;
+ }
+
+ if( stats_values(FILEPATH_MDS_SERVER_READPAGE_STATS,name_value,&tmp_nb_sample,&tmp_min,&tmp_max,&tmp_sum,&tmp_sum_square) == ERROR ) {
+ return ERROR;
+ } else {
+ *nb_sample += tmp_nb_sample;
+ *min += tmp_min;
+ *max += tmp_max;
+ *sum += tmp_sum;
+ *sum_square += tmp_sum_square;
+ }
+
+ if( stats_values(FILEPATH_MDS_SERVER_SETATTR_STATS,name_value,&tmp_nb_sample,&tmp_min,&tmp_max,&tmp_sum,&tmp_sum_square) == ERROR ) {
+ return ERROR;
+ } else {
+ *nb_sample += tmp_nb_sample;
+ *min += tmp_min;
+ *max += tmp_max;
+ *sum += tmp_sum;
+ *sum_square += tmp_sum_square;
+ }
+
+ return SUCCESS;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff