sysmon/plugins/os-linux/src/main/java/sysmon/plugins/os_linux/LinuxSocketStat.java

98 lines
2.9 KiB
Java

package sysmon.plugins.os_linux;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.List;
import java.util.TreeMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class LinuxSocketStat {
private static final Logger log = LoggerFactory.getLogger(LinuxSocketStat.class);
private static final Pattern pattern1 = Pattern.compile("^sockets: used (\\d+)");
private static final Pattern pattern2 = Pattern.compile("^TCP: inuse (\\d+) orphan (\\d+) tw (\\d+) alloc (\\d+) mem (\\d+)");
private static final Pattern pattern3 = Pattern.compile("^UDP: inuse (\\d+) mem (\\d+)");
private long sockets;
private long tcp_inuse;
private long tcp_orphan;
private long tcp_tw;
private long tcp_alloc;
private long tcp_mem;
private long udp_inuse;
private long udp_mem;
/*
sockets: used 1238
TCP: inuse 52 orphan 0 tw 18 alloc 55 mem 7
UDP: inuse 11 mem 10
UDPLITE: inuse 0
RAW: inuse 0
FRAG: inuse 0 memory 0
*/
LinuxSocketStat(List<String> lines) {
Matcher matcher;
for(String line : lines) {
String proto = line.substring(0, line.indexOf(':'));
switch (proto) {
case "sockets":
matcher = pattern1.matcher(line);
if (matcher.matches() && matcher.groupCount() == 1) {
sockets = Long.parseLong(matcher.group(1));
}
break;
case "TCP":
matcher = pattern2.matcher(line);
if (matcher.matches() && matcher.groupCount() == 5) {
tcp_inuse = Long.parseLong(matcher.group(1));
tcp_orphan = Long.parseLong(matcher.group(2));
tcp_tw = Long.parseLong(matcher.group(3));
tcp_alloc = Long.parseLong(matcher.group(4));
tcp_mem = Long.parseLong(matcher.group(5));
}
break;
case "UDP":
matcher = pattern3.matcher(line);
if (matcher.matches() && matcher.groupCount() == 2) {
udp_inuse = Long.parseLong(matcher.group(1));
udp_mem = Long.parseLong(matcher.group(2));
}
break;
}
}
}
public TreeMap<String, String> getTags() {
return new TreeMap<>();
}
public TreeMap<String, Object> getFields() {
return new TreeMap<String, Object>() {{
put("sockets", sockets);
put("tcp_inuse", tcp_inuse);
put("tcp_alloc", tcp_alloc);
put("tcp_orphan", tcp_orphan);
put("tcp_mem", tcp_mem);
put("tcp_tw", tcp_tw);
put("udp_inuse", udp_inuse);
put("udp_mem", udp_mem);
}};
}
}