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package evel_javalibrary.att.com.loadbalance;
/**************************************************************************//**
* @file
* Heartbeat field class
*
* This file implements the Heartbeat 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 Agent status.
*
* 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.
*****************************************************************************/
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 evel_javalibrary.att.com.AgentMain;
import evel_javalibrary.att.com.EvelHeartbeatField;
import org.apache.log4j.Level;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
public class HeartBeatData extends Thread{
static HashMap<String, String> hbConfig = new HashMap();
static int gm_event_id = 1;
static String event_id1 = "heartbeatvfs";
static String event_id = "00000000";
static String event_id2=null;
public void run() {
Long start_epoch_microsec = 0L;
Long last_epoch_microsec = 0L;
String hostName = hostName();
try {
readHeartbeatConfig();
}catch(Exception e) {
}
while(true) {
String heatBeatInterval="";
long milliseconds = 60000;
event_id2 = event_id1+ event_id+(gm_event_id++);
if(hbConfig.get("heartbeatInterval") == null) {
heatBeatInterval = Long.toString(milliseconds);
}else {
heatBeatInterval = hbConfig.get("heartbeatInterval");
}
EvelHeartbeatField evelHb = new EvelHeartbeatField(Integer.parseInt(heatBeatInterval) ,
hbConfig.get("eventName"),
event_id2);
if( hbConfig.get("eventType")!=null) {
start_epoch_microsec = last_epoch_microsec;
last_epoch_microsec = System.nanoTime()/1000;
evelHb.evel_last_epoch_set(start_epoch_microsec);
evelHb.evel_start_epoch_set(last_epoch_microsec);
evelHb.evel_header_type_set(hbConfig.get("eventType").toString());
evelHb.evel_nfcnamingcode_set(hbConfig.get("nfcNamingCode").toString());
evelHb.evel_nfnamingcode_set(hbConfig.get("nfNamingCode").toString());
if(hbConfig.get("reportingEntityName") == null) {
evelHb.evel_reporting_entity_name_set(hostName);
}else {
evelHb.evel_reporting_entity_name_set(hbConfig.get("reportingEntityName").toString());
}
evelHb.evel_reporting_entity_id_set(hbConfig.get("reportingEntityId").toString());
evelHb.evel_nfVendorName_set(hbConfig.get("nfVendorName").toString());
evelHb.evel_header_set_sourceid(true,hbConfig.get("sourceId").toString());
if(hbConfig.get("sourceName") == null) {
evelHb.evel_header_set_source_name(hostName);
}else {
evelHb.evel_header_set_source_name(hbConfig.get("sourceName").toString());
}
evelHb.evel_timeZoneOffset_set(hbConfig.get("timeZoneOffset").toString());
}
try {
Thread.sleep(Integer.parseInt(heatBeatInterval));
}catch(Exception e) {
}
AgentMain.evel_post_event(evelHb);
}
}
public static HashMap<String, String> readHeartbeatConfig() throws IOException, ParseException {
JSONParser jsonParser = new JSONParser();
try {
FileReader reader = new FileReader("./src/main/java/evel_javalibrary/att/com/loadbalance/hb_config.json");
JSONObject obj = (JSONObject) jsonParser.parse(reader);
Map.Entry pair = null;
String convertObject ="";
String[] res;
Map directParameters = ((Map)obj.get("tmp_directParameters"));
Iterator<Map.Entry> itr1 = directParameters.entrySet().iterator();
while (itr1.hasNext()) {
pair = itr1.next();
convertObject=String.valueOf(pair);
res = convertObject.split("=");
hbConfig.put(res[0], res[1]);
}
} catch (ClassCastException ex) {
ex.printStackTrace();
}
return hbConfig;
}
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 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;
}
HeartBeatData hbDataThread = new HeartBeatData();
hbDataThread.start();
}
}
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