Files
lcdproc/clients/lcdproc/disk.c
T

159 lines
5.0 KiB
C

#include <sys/types.h>
#include <sys/param.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "shared/sockets.h"
#include "main.h"
#include "mode.h"
#include "machine.h"
#include "disk.h"
///////////////////////////////////////////////////////////////////////////
// Gives disk stats.
//
// Stays onscreen until it is done.
//
// TODO: Disk screen! Requires virtual pages in the server, though...
int
disk_screen (int rep, int display)
{
static mounts_type mnt[256];
static int count = 0;
// Holds info to display (avoid recalculating it)
struct disp {
char dev[8];
char cap[8];
int full;
} table[256];
int i;
static int num_disks = 0;
static int first = 1; // First line to display, sort of.
#define huge long long int
huge size;
if (first) {
first = 0;
sock_send_string (sock, "screen_add D\n");
sprintf (buffer, "screen_set D -name {Disk Use: %s}\n", get_hostname());
sock_send_string (sock, buffer);
sock_send_string (sock, "widget_add D title title\n");
sprintf (buffer, "widget_set D title {DISKS: %s}\n", get_hostname());
sock_send_string (sock, buffer);
sock_send_string (sock, "widget_add D f frame\n");
//sock_send_string(sock, "widget_set D f 1 2 20 4 20 3 v 8\n");
sprintf (buffer, "widget_set D f 1 2 %i %i %i %i v 12\n", lcd_wid, lcd_hgt, lcd_wid, lcd_hgt - 1);
sock_send_string (sock, buffer);
sock_send_string (sock, "widget_add D err1 string\n");
sock_send_string (sock, "widget_add D err2 string\n");
sock_send_string (sock, "widget_set D err1 5 2 { Reading }\n");
sock_send_string (sock, "widget_set D err2 5 3 {Filesystems}\n");
}
// Grab disk stats on first display, and fill "table".
// Get rid of old, unmounted filesystems...
memset (table, 0, sizeof (struct disp) * 256);
machine_get_fs(mnt, &count);
first = 0;
// Fill the display structure...
if (count) {
sock_send_string (sock, "widget_set D err1 30 5 .\n");
sock_send_string (sock, "widget_set D err2 30 5 .\n");
for (i = 0; i < count; i++) {
if (strlen (mnt[i].mpoint) > 6) {
sprintf (table[i].dev, "-%s", (mnt[i].mpoint) + (strlen (mnt[i].mpoint) - 5));
} else {
sprintf (table[i].dev, "%s", mnt[i].mpoint);
}
//table[i].full = (lcd_cellwid * 4);
table[i].full = (huge) (lcd_cellwid * 4)
* (huge) (mnt[i].blocks - mnt[i].bfree)
/ (huge) mnt[i].blocks;
size = (huge) mnt[i].bsize * (huge) mnt[i].blocks;
memset (table[i].cap, 0, 8);
// Kilobytes
if (size > 0 && size < (huge) 1000 * (huge) 1000)
sprintf (table[i].cap, "%3.1fk", (double) (size) / 1024.0);
// Megabytes
else if (size >= (huge) 1000 * (huge) 1000 && size < (huge) 1000 * (huge) 1000 * (huge) 1000)
sprintf (table[i].cap, "%3.1fM", (float) (size / (huge) 1024) / 1024.0);
// Gigabytes
else if (size >= (huge) 1000 * (huge) 1000 * (huge) 1000 && size < (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000)
sprintf (table[i].cap, "%3.1fG", (float) (size / ((huge) 1024 * (huge) 1024)) / 1024.0);
// Terabytes
else if (size >= (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000 && size < (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000)
sprintf (table[i].cap, "%3.1fT", (float) (size / ((huge) 1024 * (huge) 1024 * (huge) 1024)) / 1024.0);
// PectaBytes -- Yeah! I want some!
else if (size >= (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000 && size < (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000 * (huge) 1000)
sprintf (table[i].cap, "%3.1fP", (float) (size / ((huge) 1024 * (huge) 1024 * (huge) 1024 * (huge) 1024)) / 1024.0);
}
}
if (!count) {
sock_send_string (sock, "widget_set D err1 1 2 {Error Retrieving}\n");
sock_send_string (sock, "widget_set D err2 1 3 {Filesystem Stats}\n");
return 0;
}
// Display stuff... (show for two seconds, then scroll once per
// second, then hold at the end for two seconds)
sprintf (buffer, "widget_set D f 1 2 %i %i %i %i v 12\n", lcd_wid, lcd_hgt, lcd_wid, count);
sock_send_string (sock, buffer);
//sprintf(tmp, "widget_set D f 1 2 20 4 20 %i v 8\n", count);
//sock_send_string(sock, tmp);
for (i = 0; i < count; i++) {
if (table[i].dev[0] == 0)
continue;
if (i >= num_disks) // Make sure we have enough lines...
{
sprintf (tmp, "widget_add D s%i string -in f\n", i);
sock_send_string (sock, tmp);
sprintf (tmp, "widget_add D h%i hbar -in f\n", i);
sock_send_string (sock, tmp);
}
sprintf (tmp, "widget_set D s%i 1 %i {%-6s %6s E F}\n", i, i + 1, table[i].dev, table[i].cap);
sock_send_string (sock, tmp);
sprintf (tmp, "widget_set D h%i 16 %i %i\n", i, i + 1, table[i].full);
sock_send_string (sock, tmp);
}
// Now remove extra widgets...
for (; i < num_disks; i++) {
sprintf (tmp, "widget_del D s%i\n", i);
sock_send_string (sock, tmp);
sprintf (tmp, "widget_del D h%i\n", i);
sock_send_string (sock, tmp);
}
num_disks = count;
#undef huge
/*
// ** FILESYSTEMS *****
// / 543.2M E----F
// /dos/c 2.1G E----F
// /stuff 4.3G E----F
*/
return 0;
}