package com.ajjpj.asysmon.measure.scalar;
import com.ajjpj.asysmon.data.AScalarDataPoint;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Map;
/**
* @author arno
*/
public class ASystemLoadMeasurer implements AScalarMeasurer {
public static final String IDENT_LOAD_1_MIN = "load-1-minute";
public static final String IDENT_LOAD_5_MIN = "load-5-minutes";
public static final String IDENT_LOAD_15_MIN = "load-15-minutes";
private final File procFile = new File("/proc/loadavg");
@Override public void prepareMeasurements(Map<String, Object> mementos) {
}
@Override
public void contributeMeasurements(Map<String, AScalarDataPoint> result, long timestamp, Map<String, Object> mementos) throws IOException {
final BufferedReader in = new BufferedReader(new FileReader(procFile));
final String[] raw = in.readLine().split(" ");
final int load1 = (int)(Double.parseDouble(raw[0])*100);
final int load5 = (int)(Double.parseDouble(raw[1])*100);
final int load15 = (int)(Double.parseDouble(raw[2])*100);
result.put(IDENT_LOAD_1_MIN, new AScalarDataPoint(timestamp, IDENT_LOAD_1_MIN, load1, 2));
result.put(IDENT_LOAD_5_MIN, new AScalarDataPoint(timestamp, IDENT_LOAD_5_MIN, load5, 2));
result.put(IDENT_LOAD_15_MIN, new AScalarDataPoint(timestamp, IDENT_LOAD_15_MIN, load15, 2));
}
@Override public void shutdown() {
}
}