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// Filename: MemoryInfo.cs
// Contains functions to extract information displayed in Memory category
using System;
using System.IO;
namespace Sysinfo {
public class MemoryInfo {
//global variables
public String memory_total = "unknown";
public String memory_free = "unknown";
public String memory_free_total = "unknown";
public String memory_swaptotal = "unknown";
public String memory_swapfree = "unknown";
public String memory_buffers = "unknown";
public String memory_cached = "unknown";
public String memory_active = "unknown";
public String memory_inactive = "unknown";
public Double fraction1, fraction2;
//read memory info
public void MemoryStaticInfo() {
String temp;
Boolean staticB = false;
try {
//get memory information from /proc
using (TextReader textread = File.OpenText("/proc/meminfo")) {
while ( staticB == false ) {
temp = textread.ReadLine();
//total
if ( temp.StartsWith("MemTotal:")) {
temp = temp.Remove(0, 9);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_total = ( Int32.Parse(temp) / 1024 ).ToString();
}
//swap total
if ( temp.StartsWith("SwapTotal:")) {
temp = temp.Remove(0, 10);
temp = temp.Remove(temp.IndexOf("kB"), 2);
if ( temp == "0" )
memory_swaptotal = "no swap";
else
memory_swaptotal = ( Int32.Parse(temp) / 1024 ).ToString();
staticB = true;
}
}
}
}catch (FileNotFoundException ex) { Console.WriteLine( ex); }
}
//read memory info
public void MemoryDynamicInfo() {
String temp;
Boolean dynamicB = false;
try {
//get memory information from /proc
using (TextReader textread = File.OpenText("/proc/meminfo")) {
while ( dynamicB == false ) {
temp = textread.ReadLine();
//free
if ( temp.StartsWith("MemFree:")) {
temp = temp.Remove(0, 8);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_free = ( Int32.Parse(temp) / 1024 ).ToString();
}
//buffers
if ( temp.StartsWith("Buffers:")) {
temp = temp.Remove(0, 8);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_buffers = ( Int32.Parse(temp) / 1024 ).ToString();
}
//swap free
if ( temp.StartsWith("SwapFree:")) {
temp = temp.Remove(0, 9);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_swapfree = ( Int32.Parse(temp) / 1024 ).ToString();
dynamicB = true;
}
//cached memory
if ( temp.StartsWith("Cached:")) {
temp = temp.Remove(0, 7);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_cached = ( Int32.Parse(temp) / 1024 ).ToString();
}
//active memory
if ( temp.StartsWith("Active:")) {
temp = temp.Remove(0, 7);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_active = ( Int32.Parse(temp) / 1024 ).ToString();
}
//inactive memory
if ( temp.StartsWith("Inactive:")) {
temp = temp.Remove(0, 9);
temp = temp.Remove(temp.IndexOf("kB"), 2);
memory_inactive = ( Int32.Parse(temp) / 1024 ).ToString();
}
}
}
}catch (FileNotFoundException ex) { Console.WriteLine( ex); }
memory_free_total = ( Double.Parse(memory_free) + Double.Parse(memory_buffers) + Double.Parse(memory_cached) ).ToString();
}
//memory free progressbar
public void Progressbar1() {
try {
fraction1 = Int32.Parse(memory_total) - Int32.Parse(memory_free_total);
fraction1 = fraction1 / Int32.Parse(memory_total);
}
catch (DivideByZeroException ex) { fraction1 = 0; Console.WriteLine( ex ); }
}
//swap free progressbar
public void Progressbar2() {
try {
fraction2 =Int32.Parse(memory_swaptotal) - Int32.Parse(memory_swapfree);
fraction2 = fraction2 / Int32.Parse(memory_swaptotal);
}
catch (DivideByZeroException ex) { fraction2 = 0; Console.WriteLine( ex ); }
}
}
}
//ghaefb
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