153 lines
4.1 KiB
C
153 lines
4.1 KiB
C
/***************************************************************************
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* Copyright (C) 06/2010 by Olaf Rempel *
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* razzor@kopf-tisch.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include "configfile.h"
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#include "logging.h"
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#include "plugins.h"
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#include "probe.h"
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#include "sgio.h"
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int verbose = 0;
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int prefer_ata12 = 0;
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struct sammler_plugin plugin;
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struct device_entry {
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struct list_head list;
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char *devpath;
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};
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static LIST_HEAD(device_list);
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static const char *ds_def = {
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"DS:active:GAUGE:90:0:1 "
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};
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static const char * get_ds(int ds_id)
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{
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return ds_def;
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}
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static int probe(void)
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{
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struct device_entry *entry;
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list_for_each_entry(entry, &device_list, list) {
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int fd = open(entry->devpath, O_RDONLY|O_NONBLOCK);
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if (fd < 0) {
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log_print(LOG_ERROR, "%s: failed to open %s", plugin.name, entry->devpath);
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continue;
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}
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uint8_t args[4] = { ATA_OP_CHECKPOWERMODE1, 0, 0, 0 };
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if (do_drive_cmd(fd, args)) {
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args[0] = ATA_OP_CHECKPOWERMODE2;
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if (do_drive_cmd(fd, args)) {
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log_print(LOG_ERROR, "%s: failed to query %s", plugin.name, entry->devpath);
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close(fd);
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continue;
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}
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}
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/*
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switch (args[2]) {
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case 0x00: state = "standby"; break;
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case 0x40: state = "NVcache_spindown"; break;
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case 0x41: state = "NVcache_spinup"; break;
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case 0x80: state = "idle"; break;
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case 0xff: state = "active/idle"; break;
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default: state = "unknown"; break;
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}
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*/
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char *dev = strrchr(entry->devpath, '/');
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if (dev == NULL) {
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dev = entry->devpath;
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} else {
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dev++;
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}
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char filename[32];
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int len = snprintf(filename, sizeof(filename), "diskstandby-%s.rrd", dev);
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if (len < 0 || len >= sizeof(filename))
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continue;
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probe_submit(&plugin, filename, 0, "%u", (args[2] == 0xff) ? 1 : 0);
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close(fd);
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}
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return 0;
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}
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static int init_cb(struct strtoken *tokens, void *privdata)
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{
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if (tokens->count != 1) {
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log_print(LOG_ERROR, "%s: parse error", plugin.name);
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return -1;
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}
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struct device_entry *entry = malloc(sizeof(struct device_entry));
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if (entry == NULL) {
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log_print(LOG_ERROR, "%s: out of memory", plugin.name);
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return -1;
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}
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entry->devpath = strdup(tokens->field[0]);
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log_print(LOG_INFO, "%s: added device '%s'", plugin.name, entry->devpath);
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list_add_tail(&entry->list, &device_list);
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return 0;
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}
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static int init(void)
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{
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config_get_strtokens("p_diskstandby", "device", ",", 1, init_cb, NULL);
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return 0;
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}
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static int fini(void)
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{
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struct device_entry *entry, *tmp;
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list_for_each_entry_safe(entry, tmp, &device_list, list) {
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free(entry->devpath);
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free(entry);
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}
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return 0;
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}
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struct sammler_plugin plugin = {
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.name = "diskstandby",
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.interval = 60,
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.init = &init,
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.fini = &fini,
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.probe = &probe,
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.get_ds = &get_ds,
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};
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