QNAP-TS419p system daemon
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/***************************************************************************
* Copyright (C) 12/2012 by Olaf Rempel *
* razzor@kopf-tisch.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* 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 02111-1307, USA. *
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/utsname.h>
#include <sys/sysinfo.h>
#include <time.h>
#include "lcd.h"
#include "lcdpage.h"
/*
* system:
* - os version done
* - kernel version done
* - hostname done
* - date/time done
* - uptime done
* - avgload done
* - cpu usage
* - memory/swap usage
* - temperature done (pic.c)
* - fan error done (pic.c)
*
* disk drives:
* - temperature -> disk
* - state (idle / running), time to idle -> disk
* - current i/o (aggregated?)
*
* partitions:
* - used / free / total
*
* ethernet interface:
* - link (10/100/1000)
* - current i/o
*
* ip interface:
* - ip address/netmask
* - default gateway
* - dns
*
*/
static int lcdpage_system(struct lcddev *dev, int event, void *privdata)
{
static int subpage;
int retval = 0;
char line1[64];
char line2[64];
memset(line1, 0x00, sizeof(line1));
memset(line2, 0x00, sizeof(line2));
switch (event) {
case LCDPAGE_EVENT_BUTTON1:
lcd_set_backlight(dev, 1);
subpage++;
break;
case LCDPAGE_EVENT_ENTER:
lcd_set_backlight(dev, 1);
subpage = 0;
break;
case LCDPAGE_EVENT_BACKLIGHT:
case LCDPAGE_EVENT_EXIT:
return 0;
default:
break;
}
if (subpage == 0) {
FILE *fp = fopen("/etc/issue.net", "r");
if (fp != NULL) {
fread(line1, 1, sizeof(line1), fp);
fclose(fp);
char *trim = memchr(line1, 0x0A, sizeof(line1));
if (trim != NULL)
*trim = '\0';
trim = memchr(line1, 0x0D, sizeof(line1));
if (trim != NULL)
*trim = '\0';
} else {
strcpy(line1, "<unknown>");
}
struct utsname utsbuf;
uname(&utsbuf);
snprintf(line2, sizeof(line2), "%s %s", utsbuf.sysname, utsbuf.release);
lcd_setlines(dev, line1, line2);
} else if (subpage == 1) {
/* copy hostname */
if (gethostname(line2, sizeof(line2)) < 0) {
strcpy(line2, "<unknown>");
}
int len = strlen(line2);
line2[len++] = '.';
/* append domainname */
if (getdomainname(line2 + len, sizeof(line2) - len) < 0) {
strcpy(line2 + len, "unknown");
}
lcd_setlines(dev, "Hostname:", line2);
} else if (subpage == 2) {
struct tm tmp;
time_t now;
time(&now);
localtime_r(&now, &tmp);
strftime(line1, sizeof(line1), "Time: %H:%M:%S", &tmp);
strftime(line2, sizeof(line2), "Date: %Y/%m/%d", &tmp);
lcd_setlines(dev, line1, line2);
retval = 1000; /* update every second */
} else if (subpage == 3) {
struct sysinfo info;
if (sysinfo(&info) < 0) {
return 0;
}
int tmp, days, hours, minutes;
days = info.uptime / 86400;
tmp = info.uptime % 86400;
hours = tmp / 3600;
tmp = tmp % 3600;
minutes = tmp / 60;
tmp = tmp % 60;
snprintf(line2, sizeof(line2), " %03dd %02d:%02d:%02d", days, hours, minutes, tmp);
lcd_setlines(dev, "Uptime:", line2);
retval = 1000;
} else if (subpage == 4) {
double loadavg[3];
if (getloadavg(loadavg, 3) < 0) {
return 0;
}
snprintf(line2, sizeof(line2), " %1.2f %1.2f %1.2f", loadavg[0], loadavg[1], loadavg[2]);
lcd_setlines(dev, "Load Average:", line2);
retval = 1000;
} else {
return LCDPAGE_COMMAND_NEXT;
}
/* update every 1000ms */
return retval;
}
static int lcdpage_network(struct lcddev *dev, int event, void *privdata)
{
static int subpage;
switch (event) {
case LCDPAGE_EVENT_BUTTON1:
lcd_set_backlight(dev, 1);
subpage++;
break;
case LCDPAGE_EVENT_ENTER:
lcd_set_backlight(dev, 1);
subpage = 0;
break;
case LCDPAGE_EVENT_BACKLIGHT:
case LCDPAGE_EVENT_EXIT:
return 0;
default:
break;
}
switch (subpage) {
case 0:
lcd_setlines(dev, "Address(br0):", "10.10.250.135");
break;
case 1:
lcd_setlines(dev, "Netmask(br0):", "255.255.0.0");
break;
case 2:
lcd_setlines(dev, "Gateway(br0):", "10.10.250.250");
break;
default:
return LCDPAGE_COMMAND_NEXT;
}
return 0;
}
void lcdpage_free(void)
{
/* nothing to do, lcdpages are cleaned up in lcd_close() */
}
int lcdpage_init(struct lcddev *dev)
{
lcd_addpage_cb(dev, 200, lcdpage_system, NULL);
lcd_addpage_cb(dev, 100, lcdpage_network, NULL);
return 0;
}