public void run() {
if (webServerUrl == null) {
logger.log(Level.WARNING, "Web server url is null!");
return;
}
try {
while (running.get()) {
try {
URL url = new URL(webServerUrl + "collector.do");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
connection.setConnectTimeout(1000);
connection.setReadTimeout(1000);
final DataOutputStream out = new DataOutputStream(connection.getOutputStream());
TimedMemberState ts = getTimedMemberState();
ts.writeData(out);
out.flush();
connection.getInputStream();
} catch (Exception e) {
logger.log(Level.FINEST, e.getMessage(), e);
}
Thread.sleep(updateIntervalMs);
}
} catch (Throwable throwable) {
logger.log(
Level.FINEST, "Web Management Center will be closed due to exception.", throwable);
shutdown();
}
}
@Override
public void doLocalOp() {
Boolean result;
try {
result = arp.call();
setResult(result);
} catch (Exception e) {
logger.log(Level.FINEST, e.getMessage(), e);
}
}
public void sendResponse(int taskId, ConsoleRequest request) {
try {
URL url = new URL(webServerUrl + "putResponse.do");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
connection.setConnectTimeout(2000);
connection.setReadTimeout(2000);
OutputStream outputStream = connection.getOutputStream();
DataOutputStream output = new DataOutputStream(outputStream);
output.writeInt(taskId);
output.writeInt(request.getType());
request.writeResponse(ManagementCenterService.this, output);
connection.getInputStream();
} catch (Exception e) {
logger.log(Level.FINEST, e.getMessage(), e);
}
}
public void run() {
if (webServerUrl == null) {
logger.log(Level.WARNING, "Web server url is null!");
return;
}
try {
Random rand = new Random();
Address address =
((MemberImpl) factory.node.getClusterImpl().getLocalMember()).getAddress();
GroupConfig groupConfig = factory.getConfig().getGroupConfig();
while (running.get()) {
try {
URL url =
new URL(
webServerUrl
+ "getTask.do?member="
+ address.getHost()
+ ":"
+ address.getPort()
+ "&cluster="
+ groupConfig.getName());
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("Connection", "keep-alive");
InputStream inputStream = connection.getInputStream();
DataInputStream input = new DataInputStream(inputStream);
int taskId = input.readInt();
if (taskId > 0) {
int requestType = input.readInt();
ConsoleRequest request = consoleRequests[requestType];
request.readData(input);
sendResponse(taskId, request);
}
} catch (Exception e) {
logger.log(Level.FINEST, e.getMessage(), e);
}
Thread.sleep(700 + rand.nextInt(300));
}
} catch (Throwable throwable) {
logger.log(Level.FINEST, "Problem on management center while polling task.", throwable);
}
}
public final void heartBeater() {
if (!node.joined() || !node.isActive()) return;
long now = Clock.currentTimeMillis();
if (isMaster()) {
List<Address> lsDeadAddresses = null;
for (MemberImpl memberImpl : lsMembers) {
final Address address = memberImpl.getAddress();
if (!thisAddress.equals(address)) {
try {
Connection conn = node.connectionManager.getOrConnect(address);
if (conn != null && conn.live()) {
if ((now - memberImpl.getLastRead()) >= (MAX_NO_HEARTBEAT_MILLIS)) {
conn = null;
if (lsDeadAddresses == null) {
lsDeadAddresses = new ArrayList<Address>();
}
logger.log(
Level.WARNING,
"Added "
+ address
+ " to list of dead addresses because of timeout since last read");
lsDeadAddresses.add(address);
} else if ((now - memberImpl.getLastRead()) >= 5000
&& (now - memberImpl.getLastPing()) >= 5000) {
ping(memberImpl);
}
if ((now - memberImpl.getLastWrite()) > 500) {
sendHeartbeat(conn);
}
Long lastConfirmation = memberMasterConfirmationTimes.get(memberImpl);
if (lastConfirmation == null
|| (now - lastConfirmation > MAX_NO_MASTER_CONFIRMATION_MILLIS)) {
if (lsDeadAddresses == null) {
lsDeadAddresses = new ArrayList<Address>();
}
logger.log(
Level.WARNING,
"Added "
+ address
+ " to list of dead addresses because it has not sent a master confirmation recently");
lsDeadAddresses.add(address);
}
} else if (conn == null && (now - memberImpl.getLastRead()) > 5000) {
logMissingConnection(address);
memberImpl.didRead();
}
} catch (Exception e) {
logger.log(Level.SEVERE, e.getMessage(), e);
}
}
}
if (lsDeadAddresses != null) {
for (Address address : lsDeadAddresses) {
logger.log(Level.FINEST, "No heartbeat should remove " + address);
doRemoveAddress(address);
}
}
} else {
// send heartbeat to master
Address masterAddress = getMasterAddress();
if (masterAddress != null) {
final Connection connMaster = node.connectionManager.getOrConnect(masterAddress);
MemberImpl masterMember = getMember(masterAddress);
boolean removed = false;
if (masterMember != null) {
if ((now - masterMember.getLastRead()) >= (MAX_NO_HEARTBEAT_MILLIS)) {
logger.log(
Level.WARNING, "Master node has timed out its heartbeat and will be removed");
doRemoveAddress(masterAddress);
removed = true;
} else if ((now - masterMember.getLastRead()) >= 5000
&& (now - masterMember.getLastPing()) >= 5000) {
ping(masterMember);
}
}
if (!removed) {
sendHeartbeat(connMaster);
}
}
for (MemberImpl member : lsMembers) {
if (!member.localMember()) {
Address address = member.getAddress();
Connection conn = node.connectionManager.getOrConnect(address);
if (conn != null) {
sendHeartbeat(conn);
} else {
logger.log(Level.FINEST, "Could not connect to " + address + " to send heartbeat");
}
}
}
}
}