Files
lcdproc/clients/lcdproc/mem.c
T
2007-03-04 16:31:04 +00:00

310 lines
8.8 KiB
C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef IRIX
#include <strings.h>
#endif
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include "shared/sockets.h"
#include "shared/LL.h"
#include "main.h"
#include "mode.h"
#include "machine.h"
#include "mem.h"
#include "util.h"
/////////////////////////////////////////////////////////////////////////
// Mem Screen displays info about memory and swap usage...
//
// +--------------------+ +--------------------+
// |## MEM #### SWAP #@| |M 758.3M [- ] 35.3%@|
// | 758.3M Totl 1.884G | |S 1.884G [ ] 0.1% |
// | 490.8M Free 1.882G | +--------------------+
// |E--- F E F|
// +--------------------+
//
int
mem_screen(int rep, int display, int *flags_ptr)
{
static int which_title = 0;
static int gauge_wid = 0;
static int gauge_offs = 0;
meminfo_type mem[2];
if ((*flags_ptr & INITIALIZED) == 0) {
*flags_ptr |= INITIALIZED;
sock_send_string(sock, "screen_add M\n");
sock_printf(sock, "screen_set M -name {Memory & Swap: %s}\n", get_hostname());
if (lcd_hgt >= 4) {
gauge_wid = (lcd_wid >= 18)
? (lcd_wid - 6) / 2 // room for E..F pairs and 2 spaces in between
: (lcd_wid - 4) / 2; // leave room for the E...F pairs
sock_send_string(sock, "widget_add M title title\n");
sock_send_string(sock, "widget_set M title { MEM}\n");
sock_send_string(sock, "widget_add M subtitle string\n");
sock_printf(sock, "widget_set M subtitle %i 1 { SWAP }\n", lcd_wid - 6);
sock_send_string(sock, "widget_add M totl string\n");
sock_send_string(sock, "widget_add M used string\n");
sock_printf(sock, "widget_set M totl %i 2 Totl\n", lcd_wid/2 - 1);
sock_printf(sock, "widget_set M used %i 3 Free\n", lcd_wid/2 - 1);
sock_send_string(sock, "widget_add M EFmem string\n");
sock_printf(sock, "widget_set M EFmem 1 4 {E%*sF}\n", gauge_wid, "");
sock_send_string(sock, "widget_add M EFswap string\n");
sock_printf(sock, "widget_set M EFswap %i 4 {E%*sF}\n",
lcd_wid - gauge_wid - 1, gauge_wid, "");
sock_send_string(sock, "widget_add M memused string\n");
sock_send_string(sock, "widget_add M swapused string\n");
} else {
gauge_wid = (lcd_wid >= 18) ? max(2, lcd_wid - 18) : 0;
gauge_offs = (lcd_wid - gauge_wid) / 2 + 2;
sock_send_string(sock, "widget_add M m string\n");
sock_send_string(sock, "widget_add M s string\n");
if (gauge_wid > 0) {
sock_printf(sock, "widget_set M m 1 1 {M%*s[%*s]}\n",
gauge_offs - 3, "", gauge_wid, "");
sock_printf(sock, "widget_set M s 1 2 {S%*s[%*s]}\n",
gauge_offs - 3, "", gauge_wid, "");
}
else {
sock_send_string(sock, "widget_set M m 1 1 {M }\n");
sock_send_string(sock, "widget_set M s 1 2 {S }\n");
}
sock_send_string(sock, "widget_add M mem% string\n");
sock_send_string(sock, "widget_add M swap% string\n");
}
sock_send_string(sock, "widget_add M memtotl string\n");
sock_send_string(sock, "widget_add M swaptotl string\n");
sock_send_string(sock, "widget_add M memgauge hbar\n");
sock_send_string(sock, "widget_add M swapgauge hbar\n");
}
machine_get_meminfo(mem);
if (lcd_hgt >= 4) {
char tmp[12]; // should be sufficient
// flip the title back and forth... (every 4 updates)
if (which_title & 4) {
sock_printf(sock, "widget_set M subtitle %i 1 {}\n", lcd_wid - 7);
sock_printf(sock, "widget_set M title {%s}\n", get_hostname());
} else {
sock_send_string(sock, "widget_set M title { MEM}\n");
sock_printf(sock, "widget_set M subtitle %i 1 { SWAP }\n", lcd_wid - 7);
}
which_title = (which_title + 1) & 7;
// Total memory
sprintf_memory(tmp, mem[0].total * 1024.0, 1);
if (display)
sock_printf(sock, "widget_set M memtotl 1 2 {%7s}\n", tmp);
// Free memory (plus buffers and cache)
sprintf_memory(tmp, (mem[0].free + mem[0].buffers + mem[0].cache) * 1024.0, 1);
if (display)
sock_printf(sock, "widget_set M memused 1 3 {%7s}\n", tmp);
// Total swap
sprintf_memory(tmp, mem[1].total * 1024.0, 1);
if (display)
sock_printf(sock, "widget_set M swaptotl %i 2 {%7s}\n", lcd_wid - 7, tmp);
// Free swap
sprintf_memory(tmp, mem[1].free * 1024.0, 1);
if (display)
sock_printf(sock, "widget_set M swapused %i 3 {%7s}\n", lcd_wid - 7, tmp);
if (gauge_wid > 0) {
// Free memory graph
if (mem[0].total > 0) {
double value = 1.0 - (double) (mem[0].free + mem[0].buffers + mem[0].cache)
/ (double) mem[0].total;
//printf(".0f", val) only prints the integer part
if (display)
sock_printf(sock, "widget_set M memgauge 2 4 %.0f\n",
lcd_cellwid * gauge_wid * value);
}
// Free swap graph
if (mem[1].total > 0) {
double value = 1.0 - ((double) mem[1].free / (double) mem[1].total);
//printf(".0f", val) only prints the integer part
if (display)
sock_printf(sock, "widget_set M swapgauge %i 4 %.0f\n",
lcd_wid - gauge_wid, lcd_cellwid * gauge_wid * value);
}
}
}
else {
char tmp[12]; // should be sufficient
// Total memory
sprintf_memory(tmp, mem[0].total * 1024.0, 1);
if (display)
sock_printf(sock, "widget_set M memtotl 3 1 {%6s}\n", tmp);
// Total swap
sprintf_memory(tmp, mem[1].total * 1024.0, 1);
if (display)
sock_printf(sock, "widget_set M swaptotl 3 2 {%6s}\n", tmp);
// Free memory graph
strcpy(tmp, "N/A");
if (mem[0].total > 0) {
double value = 1.0 - (double) (mem[0].free + mem[0].buffers + mem[0].cache)
/ (double) mem[0].total;
if (gauge_wid > 0) {
//printf(".0f", val) only prints the integer part
if (display)
sock_printf(sock, "widget_set M memgauge %i 1 %.0f\n",
gauge_offs, lcd_cellwid * gauge_wid * value);
}
sprintf_percent(tmp, value * 100);
}
if (display)
sock_printf(sock, "widget_set M mem%% %i 1 {%5s}\n", lcd_wid - 5, tmp);
// Free swap graph
strcpy(tmp, "N/A");
if (mem[1].total > 0) {
double value = 1.0 - ((double) mem[1].free / (double) mem[1].total);
if (gauge_wid > 0) {
//printf(".0f", val) only prints the integer part
if (display)
sock_printf(sock, "widget_set M swapgauge %i 2 %.0f\n",
gauge_offs, lcd_cellwid * gauge_wid * value);
}
sprintf_percent(tmp, value * 100);
}
if (display)
sock_printf(sock, "widget_set M swap%% %i 2 {%5s}\n", lcd_wid - 5, tmp);
}
return 0;
} // End mem_screen()
static int
sort_procs(void *a, void *b)
{
procinfo_type *one, *two;
if ((a == NULL) || (b == NULL))
return 0;
one = (procinfo_type *) a;
two = (procinfo_type *) b;
return (two->totl > one->totl);
}
/////////////////////////////////////////////////////////////////////////
// Mem Top Screen displays info about top 5 memory hogs...
//
// +--------------------+ +--------------------+
// |## TOP MEM: myhos #@| |## TOP MEM: myhos #@|
// |1 110.4M mysqld | |1 110.4M mysqld |
// |2 35.38M konqueror(2| +--------------------+
// |3 29.21M XFree86 |
// +--------------------+
//
int
mem_top_screen(int rep, int display, int *flags_ptr)
{
LinkedList *procs;
int i;
if ((*flags_ptr & INITIALIZED) == 0) {
*flags_ptr |= INITIALIZED;
sock_send_string(sock, "screen_add S\n");
sock_printf(sock, "screen_set S -name {Top Memory Use: %s}\n", get_hostname());
sock_send_string(sock, "widget_add S title title\n");
sock_printf(sock, "widget_set S title {TOP MEM: %s}\n", get_hostname());
// frame from (2nd line, left) to (last line, right)
sock_send_string(sock, "widget_add S f frame\n");
sock_printf(sock, "widget_set S f 1 2 %i %i %i 5 v %i\n",
lcd_wid, lcd_hgt, lcd_wid,
// scroll rate: 1 line every X ticks (= 1/8 sec)
((lcd_hgt >= 4) ? 8 : 12));
// frame contents
for (i = 1; i <= 5; i++) {
sock_printf(sock, "widget_add S %i string -in f\n", i);
}
sock_send_string(sock, "widget_set S 1 1 1 Checking...\n");
}
procs = LL_new();
if (procs == NULL) {
fprintf(stderr, "mem_top_screen: Error allocating list\n");
return -1;
}
machine_get_procs(procs);
// Now, print some info...
LL_Rewind(procs);
LL_Sort(procs, sort_procs);
LL_Rewind(procs);
for (i = 1; i <= 5; i++) {
procinfo_type *p = LL_Get(procs);
if (p != NULL) {
char mem[10];
sprintf_memory(mem, (double) p->totl * 1024.0, 1);
//printf("Mem hog: %s: %s\n", p->name, mem);
if (display) {
if (p->number > 1)
sock_printf(sock, "widget_set S %i 1 %i {%i %5s %s(%i)}\n",
i, i, i, mem, p->name, p->number);
else
sock_printf(sock, "widget_set S %i 1 %i {%i %5s %s}\n",
i, i, i, mem, p->name);
}
}
else {
//printf("Mem hog: none?\n");
//sprintf(buffer, "widget_set S %i 1 %i {}\n", i, i);
if (display)
sock_printf(sock, "widget_set S %i 1 %i { }\n", i, i);
}
LL_Next(procs);
}
// Now clean it all up...
LL_Rewind(procs);
do {
procinfo_type *p = (procinfo_type *) LL_Get(procs);
if (p != NULL) {
//printf("Proc: %6ik %s\n", p->size, p->name);
free(p);
}
} while (LL_Next(procs) == 0);
LL_Destroy(procs);
return 0;
}