private static String getElementValue(String elementName, Element baseElement) {
String toreturn = "";
if (baseElement.getElementsByTagName(elementName).item(0) != null) {
toreturn =
baseElement
.getElementsByTagName(elementName)
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
}
// System.out.println(elementName+": "+toreturn);
return toreturn;
// String l2thresholdoverride =
}
public static void main(String[] args) {
String specloc = System.getProperty("spec");
if (specloc == null) {
System.out.print("No spec file given, quitting");
System.exit(0);
}
DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss z");
java.util.Date date = new java.util.Date();
String startstamp = dateFormat.format(date);
boolean firstrun = true;
while (true) {
System.out.println("Loading XML Spec file: " + specloc);
// BufferedWriter out = null;
SocketAcceptor acceptor = null;
SocketAcceptor statusacceptor = null;
Vector<MonitorThread> monitorlist = new Vector<MonitorThread>();
try {
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
Document doc = docBuilder.parse(new File(specloc));
doc.getDocumentElement().normalize();
String heartbeatportString = doc.getDocumentElement().getAttribute("heartbeatport");
String statusportString = doc.getDocumentElement().getAttribute("statusport");
String logfiledir = doc.getDocumentElement().getAttribute("logfiledir");
String masterlabel = doc.getDocumentElement().getAttribute("label");
String nodeid = doc.getDocumentElement().getAttribute("id");
String smtphost = doc.getDocumentElement().getAttribute("smtphost");
String l1mailto = doc.getDocumentElement().getAttribute("l1mailto");
String l2mailto = doc.getDocumentElement().getAttribute("l2mailto");
String l2threshold = doc.getDocumentElement().getAttribute("l2threshold");
if (heartbeatportString == null || heartbeatportString.equals("")) {
System.out.println("No heartbeat specified in spec, quitting");
System.exit(0);
}
if (statusportString == null || statusportString.equals("")) {
System.out.println("No status port specified in spec, quitting");
System.exit(0);
}
if (logfiledir == null || logfiledir.equals("")) {
System.out.println("No logfile directory location specified in spec, quitting");
System.exit(0);
}
int heartbeatport = Integer.valueOf(heartbeatportString).intValue();
System.out.println("This Monitor is using port " + heartbeatport + " for heartbeat");
int statusport = Integer.valueOf(statusportString).intValue();
System.out.println("This Monitor is using port " + statusport + " for status updates");
System.out.println("Logging to directory " + logfiledir);
Log log = new Log(logfiledir);
log.nodelabel = masterlabel;
log.setMailer(smtphost, l1mailto, l2mailto, convertStringToInt(l2threshold));
if (firstrun) {
firstrun = false;
log.logit("Monitor Node Started", "start", null);
}
log.logit("Logging started", "", null);
ThreadPing threadping = new ThreadPing(log, false);
Thread pinger = new Thread(threadping);
threadping.thisThread = pinger;
pinger.start();
log.pinger = threadping;
// ShutdownHook hook = new ShutdownHook(out);
// Runtime.getRuntime().addShutdownHook(hook);
// Starting Heartbeat server
acceptor = new NioSocketAcceptor();
acceptor.getSessionConfig().setReuseAddress(true);
acceptor.getSessionConfig().setTcpNoDelay(true);
acceptor.setReuseAddress(true);
// acceptor.getFilterChain().addLast("logger", new LoggingFilter());
acceptor
.getFilterChain()
.addLast(
"codec",
new ProtocolCodecFilter(new TextLineCodecFactory(Charset.forName("UTF-8"))));
acceptor.setReuseAddress(true);
// acceptor.setCloseOnDeactivation(true);
acceptor.getSessionConfig().setTcpNoDelay(true);
acceptor.setDefaultLocalAddress(new InetSocketAddress(heartbeatport));
Vector<IoSession> sessionlist = new Vector<IoSession>();
acceptor.setHandler(new HeartBeatHandler(sessionlist));
acceptor.bind();
// Starting Path Monitoring
NodeList listOfServers = doc.getElementsByTagName("check");
int totalServers = listOfServers.getLength();
System.out.println("Total # of checks: " + totalServers);
// Vector<PingMonitorThread> pinglist = new Vector<PingMonitorThread>();
// Vector<PortMonitorThread> portlist = new Vector<PortMonitorThread>();
// Vector<HeartbeatMonitorThread> heartbeatlist = new Vector<HeartbeatMonitorThread>();
System.out.println();
for (int i = 0; i < totalServers; i++) {
Node serverNode = listOfServers.item(i);
Element serverNodeElement = (Element) serverNode;
String checklabel = serverNodeElement.getAttribute("label");
String host =
serverNodeElement
.getElementsByTagName("host")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
String checktype =
serverNodeElement
.getElementsByTagName("checktype")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
boolean enabled = true;
if (serverNodeElement.getElementsByTagName("enabled").item(0) != null
&& serverNodeElement
.getElementsByTagName("enabled")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue()
.toLowerCase()
.equals("false")) {
enabled = false;
}
String successrateString =
serverNodeElement
.getElementsByTagName("successrate")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
String retryrateString =
serverNodeElement
.getElementsByTagName("retryrate")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
// String l2thresholdoverride =
// serverNodeElement.getElementsByTagName("l2threshold").item(0).getChildNodes().item(0).getNodeValue();
String l2thresholdoverride = getElementValue("l2threshold", serverNodeElement);
// String l1mailtoadd =
// serverNodeElement.getElementsByTagName("l1mailto").item(0).getChildNodes().item(0).getNodeValue();
String l1mailtoadd = getElementValue("l1mailto", serverNodeElement);
// String l2mailtoadd =
// serverNodeElement.getElementsByTagName("l2mailto").item(0).getChildNodes().item(0).getNodeValue();
String l2mailtoadd = getElementValue("l2mailto", serverNodeElement);
int l2thresholdoverrideint = convertStringToInt(l2thresholdoverride);
String[] l1mailtoaddarray = new String[0];
String[] l2mailtoaddarray = new String[0];
if (!l1mailtoadd.equals("")) {
l1mailtoaddarray = l1mailtoadd.split(",");
}
if (!l2mailtoadd.equals("")) {
l2mailtoaddarray = l2mailtoadd.split(",");
}
// System.out.println(l1mailtoaddarray.length + "-" + l2mailtoaddarray.length);
int successrate = 30;
int retryrate = 30;
if (host == null || host.equals("")) {
System.out.println("No Host, skipping this path");
enabled = false;
}
if (successrateString == null || successrateString.equals("")) {
System.out.println(
"No Success Rate defined, using default (" + successrate + " seconds)");
} else {
successrate = Integer.valueOf(successrateString).intValue();
}
if (retryrateString == null || retryrateString.equals("")) {
System.out.println("No retry rate defined, using default (" + retryrate + " seconds)");
} else {
retryrate = Integer.valueOf(retryrateString).intValue();
}
System.out.println(checklabel);
if (checktype.equals("heartbeat")) {
String portString =
serverNodeElement
.getElementsByTagName("port")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
if (portString == null || portString.equals("")) {
System.out.println("No Heartbeat, skipping this path");
} else {
int heartbeat = Integer.valueOf(portString).intValue();
System.out.println("Starting Heartbeat Check:");
System.out.println("Host: " + host);
System.out.println("Port: " + heartbeat);
System.out.println();
HeartbeatMonitorThread m =
new HeartbeatMonitorThread(
host, heartbeat, log, successrate, retryrate, checklabel);
m.setAlertOverride(l2thresholdoverrideint, l1mailtoaddarray, l2mailtoaddarray);
Thread t = new Thread(m);
m.thisthread = t;
if (enabled) {
t.start();
log.logit(
"Starting Heartbeat Check - " + host + ":" + heartbeat,
"enable-" + successrate + "-" + retryrate,
m.getStatus());
} else {
log.logit(
"Heartbeat Check - " + host + ":" + heartbeat + " Disabled on start",
"disable",
m.getStatus());
}
monitorlist.add(m);
}
} else if (checktype.equals("ping")) {
System.out.println("Starting Ping Check:");
System.out.println("Host: " + host);
System.out.println();
PingMonitorThread m =
new PingMonitorThread(host, log, successrate, retryrate, checklabel);
m.setAlertOverride(l2thresholdoverrideint, l1mailtoaddarray, l2mailtoaddarray);
Thread t = new Thread(m);
m.thisthread = t;
if (enabled) {
t.start();
log.logit(
"Starting Ping Check - " + host,
"enable-" + successrate + "-" + retryrate,
m.getStatus());
} else {
log.logit("Ping Check - " + host + " Disabled on start", "disable", m.getStatus());
}
monitorlist.add(m);
} else if (checktype.equals("port")) {
String portString =
serverNodeElement
.getElementsByTagName("port")
.item(0)
.getChildNodes()
.item(0)
.getNodeValue();
if (portString == null || portString.equals("")) {
System.out.println("No Port Given, skipping");
} else {
int heartbeat = Integer.valueOf(portString).intValue();
System.out.println("Starting Port Check:");
System.out.println("Host: " + host);
System.out.println("Port: " + heartbeat);
System.out.println();
PortMonitorThread m =
new PortMonitorThread(host, heartbeat, log, successrate, retryrate, checklabel);
m.setAlertOverride(l2thresholdoverrideint, l1mailtoaddarray, l2mailtoaddarray);
Thread t = new Thread(m);
m.thisthread = t;
if (enabled) {
t.start();
log.logit(
"Starting Port Check - " + host + ":" + heartbeat,
"enable-" + successrate + "-" + retryrate,
m.getStatus());
} else {
log.logit(
"Port Check - " + host + ":" + heartbeat + " Disabled on start",
"disable",
m.getStatus());
}
monitorlist.add(m);
}
}
}
statusacceptor = new NioSocketAcceptor();
statusacceptor.setReuseAddress(true);
// statusacceptor.getFilterChain().addLast("logger", new LoggingFilter());
statusacceptor.getSessionConfig().setTcpNoDelay(true);
statusacceptor.getSessionConfig().setKeepAlive(true);
statusacceptor.getSessionConfig().setBothIdleTime(5);
statusacceptor.getSessionConfig().setReaderIdleTime(5);
statusacceptor.getSessionConfig().setWriteTimeout(5);
// statusacceptor.setReuseAddress(true);
statusacceptor.setCloseOnDeactivation(true);
statusacceptor.setDefaultLocalAddress(new InetSocketAddress(statusport));
statusacceptor.setHandler(
new StatusHttpProtocolHandler(
monitorlist,
acceptor,
statusacceptor,
log,
masterlabel,
nodeid,
sessionlist,
startstamp));
statusacceptor.bind();
System.out.println("Status Listener activated...");
} catch (Exception e) {
e.printStackTrace();
try {
// out.flush();
// out.close();
} catch (Exception e2) {
}
try {
Thread.sleep(30000);
} catch (Exception e3) {
}
}
for (int x = 0; x < monitorlist.size(); x++) {
if (monitorlist.get(x).getThisThread() != null) {
try {
monitorlist.get(x).getThisThread().join();
} catch (Exception e) {
}
}
}
if (acceptor != null) {
while (acceptor.isActive() || !acceptor.isDisposed()) {
try {
Thread.sleep(1000);
} catch (Exception e) {
}
}
}
if (statusacceptor != null) {
while (statusacceptor.isActive() || !statusacceptor.isDisposed()) {
try {
Thread.sleep(1000);
} catch (Exception e) {
}
}
}
System.out.println("Main thread has reached end, reloading...");
/*
try
{
Thread.sleep(9999999);
}
catch (Exception e)
{
e.printStackTrace();
}
*/
}
}
