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package evel_javalibrary.att.com.loadbalance;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.log4j.Level;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import evel_javalibrary.att.com.AgentMain;
import evel_javalibrary.att.com.EvelSyslog;
import evel_javalibrary.att.com.EvelFault;
import evel_javalibrary.att.com.EvelSyslog.EVEL_SYSLOG_FACILITIES;
/**************************************************************************//**
* @file
* Syslog class
*
* This file implements the Measurement Event class which is intended to provide a
* simple wrapper around the complexity of AT&T's Vendor Event Listener API so
* that VNFs can use it to send CPU, Memory, Disk Measurements to Collector.
*
* License
* -------
* Unless otherwise specified, all software contained herein is
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*****************************************************************************/
public class syslogData extends Thread{
static HashMap<String, String> syslogConfig = new HashMap<>();
static String[] interfaceDevice =null;
static String syslogInterval="";
static String syslogFile ="";
static String tempCommand = "";
static int gmEventId = 1;
static String eventId1 = "syslog";
static String eventId = "00000000";
static String eventId2=null;
private static int linesReadFromFile =0;
public void run() {
try {
readSyslogConfig();
} catch (IOException | ParseException e) {}
while(true) {
String tagToCompare = syslogConfig.get("syslogTag").toString();
syslogFileRead(tagToCompare );
try { Thread.sleep(500);}catch(Exception e) {}
}
}
public void sendSysLogEvent(String sysTag,String syslogMsg) {
Long start_epoch_microsec = 0L;
Long last_epoch_microsec = 0L;
String hostName = hostName();
eventId2 = eventId1+ eventId+(gmEventId++);
EvelSyslog eveSyslog = new EvelSyslog(syslogConfig.get("eventName"),
eventId2, EvelFault.EVEL_SOURCE_TYPES.EVEL_SOURCE_VIRTUAL_MACHINE,
syslogMsg, sysTag);
if( syslogConfig.get("eventType")!=null) {
start_epoch_microsec = last_epoch_microsec;
last_epoch_microsec = System.nanoTime()/1000;
eveSyslog.evel_last_epoch_set(start_epoch_microsec);
eveSyslog.evel_start_epoch_set(last_epoch_microsec);
eveSyslog.evel_header_type_set(syslogConfig.get("eventType").toString());
eveSyslog.evel_nfcnamingcode_set(syslogConfig.get("nfcNamingCode").toString());
eveSyslog.evel_nfnamingcode_set(syslogConfig.get("nfNamingCode").toString());
if(syslogConfig.get("reportingEntityName") == null) {
eveSyslog.evel_reporting_entity_name_set(hostName);
}else {
eveSyslog.evel_reporting_entity_name_set(syslogConfig.get("reportingEntityName").toString());
}
eveSyslog.evel_reporting_entity_id_set(syslogConfig.get("reportingEntityId").toString());
eveSyslog.evel_nfVendorName_set(syslogConfig.get("nfVendorName").toString());
eveSyslog.evel_header_set_sourceid(true,syslogConfig.get("sourceId").toString());
if(syslogConfig.get("sourceName") == null) {
eveSyslog.evel_header_set_source_name(hostName);
}else {
eveSyslog.evel_header_set_source_name(syslogConfig.get("sourceName").toString());
}
eveSyslog.evel_timeZoneOffset_set(syslogConfig.get("timeZoneOffset").toString());
}
eveSyslog.evel_syslog_facility_set(EVEL_SYSLOG_FACILITIES.EVEL_SYSLOG_FACILITY_LOCAL0);
eveSyslog.evel_syslog_proc_set(syslogConfig.get("syslogProc").toString());
AgentMain.evel_post_event(eveSyslog);
}
public String syslogFileRead(String tagToCompare){
String syslines ="";
int currentIndex = 0;
boolean compare = false;
try {
BufferedReader reader = new BufferedReader(new FileReader("/var/log/syslog"));
String line = reader.readLine();
while (line != null) {
if( currentIndex == linesReadFromFile ) {
compare=true;
}
if( compare ) {
if( line.contains(tagToCompare) )
sendSysLogEvent( tagToCompare, line);
}
currentIndex ++;
line = reader.readLine();
}
if( compare )
linesReadFromFile=currentIndex;
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}
private final static char[] hexArray = "0123456789ABCDEF".toCharArray();
private static String bytesToHex(byte[] bytes) {
char[] hexChars = new char[bytes.length * 2];
for ( int j = 0; j < bytes.length; j++ ) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = hexArray[v >>> 4];
hexChars[j * 2 + 1] = hexArray[v & 0x0F];
}
return new String(hexChars);
}
public static String hostName() {
String hostname = "Unknown";
String uuid = "Unknown";
try
{
InetAddress addr;
addr = InetAddress.getLocalHost();
hostname = addr.getHostName();
}
catch (UnknownHostException ex)
{
}
try{
Enumeration<NetworkInterface> networks =
NetworkInterface.getNetworkInterfaces();
while(networks.hasMoreElements()) {
NetworkInterface network = networks.nextElement();
byte[] mac = network.getHardwareAddress();
if(hostname.equalsIgnoreCase("unknown"))
{
Enumeration inetAddrs = network.getInetAddresses();
while(inetAddrs.hasMoreElements()){
InetAddress inetAddr = (InetAddress) inetAddrs.nextElement();
if (!inetAddr.isLoopbackAddress()) {
hostname = inetAddr.getHostAddress();
break;
}
}
}
if (mac != null) {
uuid = bytesToHex(mac);
}
}
} catch (SocketException e) {
// TODO Auto-generated catch block
}
return hostname;
}
public static HashMap<String, String> readSyslogConfig() throws IOException, ParseException {
JSONParser jsonParser = new JSONParser();
try {
FileReader reader = new FileReader("./src/main/java/evel_javalibrary/att/com/loadbalance/syslog_config.json");
JSONObject obj = (JSONObject) jsonParser.parse(reader);
Map.Entry directPair = null;
String directObject ="";
String[] directres;
Map directParameters = ((Map)obj.get("tmp_directParameters"));
Iterator<Map.Entry> itr1 = directParameters.entrySet().iterator();
while (itr1.hasNext()) {
directPair = itr1.next();
directObject=String.valueOf(directPair);
directres = directObject.split("=");
syslogConfig.put(directres[0], directres[1]);
}
//tmp_indirectParameters
Map.Entry indirectPair = null;
String indirectObject ="";
String[] indirectres;
Map indirectParameters = ((Map)obj.get("tmp_indirectParameters"));
Iterator<Map.Entry> itr2 = indirectParameters.entrySet().iterator();
while (itr2.hasNext()) {
indirectPair = itr2.next();
indirectObject=String.valueOf(indirectPair);
indirectres = indirectObject.split("=");
syslogConfig.put(indirectres[0], indirectres[1]);
}
syslogFile = syslogConfig.get("tmp_syslogFile").toString();
} catch (ClassCastException ex) {
ex.printStackTrace();
}
return syslogConfig;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
try {
AgentMain.evel_initialize("http://127.0.0.1",30000,
null,null,
"will",
"pill",
null, null, null,
"http://127.0.0.1",30001, "will",
"pill",
Level.TRACE);
}catch(Exception e) {
return;
}
syslogData syslogDataThread = new syslogData();
syslogDataThread.start();
}
}
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