public static void main(String[] args) throws Exception {
// this should be on stable storage as per article
long lastKnownConfigurationId = 0L;
// group member '1'
Processor proc = new Processor(1);
// totem-specific configuration parameters
String props = "port=9100&ip=225.0.0.1&nic=192.168.254.0/255.255.255.0";
Connection conn = new evs4j.impl.SRPConnection(lastKnownConfigurationId, proc, props);
// the default listener just discards messages
conn.setListener(new Example());
conn.open();
// send a message
boolean agreed = false;
boolean safe = true;
Message message = conn.createMessage(agreed);
byte[] data = "Hello World!".getBytes();
System.arraycopy(data, 0, message.getData(), message.getOffset(), data.length);
message.setLength(data.length);
conn.send(message);
}
/**
* Verifies that the fields in a {@link Message} are non-null.
* <p>
* See https://code.google.com/p/gcm/issues/detail?id=5
*
* @param msg the invite to verify
* @return {@code true} if all fields are verified, {@code false} if otherwise
*/
private static boolean verifyFields(Message msg) {
boolean verified = true;
for (Entry<String, String> entry : msg.getData().entrySet()) {
verified = entry.getValue() != null;
}
return verified;
}
public Message(Message msg) {
this.src = msg.getSrc();
this.dest = msg.getDest();
this.kind = msg.getKind();
this.data = msg.getData();
this.seqNum = msg.getSeqNum();
this.dupe = msg.isDupe();
}
/** Test of addRawData method, of class SimpleLineInterpreter. */
@Test
public void testAddRawData() throws Exception {
System.out.println("addRawData");
String testLine = "This is a test line\n";
byte[] buf = testLine.getBytes("UTF-8");
SimpleLineInterpreter instance = new SimpleLineInterpreter();
instance.registerObserver(this);
instance.addRawData(buf);
assertEquals(testLine, lastMessageReceived.getData());
}
public void run() {
while (true) {
try {
TimeUnit.SECONDS.sleep(1);
} catch (Exception e) {
e.printStackTrace();
}
// System.out.println("Here is Exit at " + exit.getInfo());
// System.out.println("Now has occupied places number : " + exit.getOccupiedNum());
// System.out.println("Now has exit car number : " + exit.getExitNum());
if (exit.hasMessage()) {
exit.tick();
Message message = exit.getAndRemoveEarliestMessage();
switch (message.getType()) {
case REQUEST:
{
}
break;
case REPLY:
{
}
break;
case INFORM_ENTER:
{
exit.handleInformEnterFrom(message.getSource());
}
break;
case INFORM_EXIT:
{
exit.handleInformExitFrom(message.getSource());
}
break;
case UPDATE:
{
exit.handleUpdateFrom(message.getSource());
}
break;
case UPDATE_REPLY:
{
exit.handleUpdateReply(message.getData());
}
break;
}
}
}
}
/** Test of addRawData method, of class SimpleLineInterpreter. */
@Test
public void testAddRawDataMultipleLines() throws Exception {
System.out.println("testAddRawDataMultipleLines");
String testLine = "This is a test line\n";
String testLine2 = "This is a second test line\n";
String data = testLine + testLine2;
byte[] buf = data.getBytes("UTF-8");
SimpleLineInterpreter instance = new SimpleLineInterpreter();
instance.registerObserver(this);
instance.addRawData(buf);
assertEquals(testLine2, lastMessageReceived.getData());
assertEquals(2, numberOfMessagesReceived);
}
/** Test of addRawData method, of class SimpleLineInterpreter. */
@Test
public void testAddRawDataLineSpansBuffers() throws Exception {
System.out.println("testAddRawDataLineSpansBuffers");
String startOfData = "This is a test line with out terminator. ";
String endOfData = "This is a second line with a \n";
String data = startOfData + endOfData;
SimpleLineInterpreter instance = new SimpleLineInterpreter();
instance.registerObserver(this);
instance.addRawData(startOfData.getBytes("UTF-8"));
instance.addRawData(endOfData.getBytes("UTF-8"));
assertEquals(data, lastMessageReceived.getData());
assertEquals(1, numberOfMessagesReceived);
}
@Override
public void onMessage(Message message) {
String value = new String(message.getData());
logger.trace("NATS Subscriber ({}): Received message: {}", id, value);
if (checkPayload) {
org.junit.Assert.assertTrue(REDIS_PAYLOAD.equals(value));
}
if (tallyMessage() == testCount) {
logger.debug("NATS Subscriber ({}) Received {} messages. Completed.", id, testCount);
setComplete();
}
}
public void onMessage(Message message) {
String text = new String(message.getData(), message.getOffset(), message.getLength());
System.err.println("received message from " + message.getSender() + " : " + text);
}
/**
* Reads messages from the network. A message is either a command for the server or for an
* internal Service.
*
* @param sock the Socket
*/
private void getMessage(Socket sock) {
int i;
boolean alreadyConnected;
boolean isAuthentication;
Message message;
byte[] signature;
String cmd;
String cmdData;
StringTokenizer stk;
ObjectConnection oc = null;
try {
/* streams initialization */
oc = new ObjectConnection(sock);
message = (Message) oc.read();
signature = (byte[]) oc.read();
} catch (Exception ex) {
ex.printStackTrace();
Logging.getLogger().warning("#Err > Unable to read message.");
return;
}
// check wether a user is known or not
alreadyConnected = isAlreadyKnown(message.getSender());
// check if command is authentication
isAuthentication =
message.getApplication().equals("Server")
&& ((String) message.getData()).startsWith("AUTH");
// signature check
if (alreadyConnected && !isAuthentication) {
boolean sigok = false;
try {
ConnectInfo ci = message.getSender();
if (ci.verifier == null) ci = this.getCompleteConnectInfo(ci);
sigok = ci.verifier.verify(message, signature);
} catch (Exception e) {
e.printStackTrace();
}
if (!sigok) {
try {
oc.write("FAILED bad signature");
} catch (Exception e) {
}
Logging.getLogger().warning("#Err > bad signature: " + message.getSender());
return;
}
}
if (message.getApplication().equals("Server")) {
cmd = null;
try {
stk = new StringTokenizer((String) message.getData());
cmd = stk.nextToken();
cmdData = stk.nextToken("\0").substring(1);
} catch (Exception ex) {
if (cmd == null) cmd = "";
cmdData = "";
}
/* if the user asks for authentication, we try to do it and exits this method */
if (cmd.equals("AUTH")) {
try {
oc.write("OK");
} catch (Exception e) {
e.printStackTrace();
}
authentification(oc, message, cmdData);
} else if (!alreadyConnected) {
Logging.getLogger().info("Access denied to " + message.getSender());
try {
oc.write("FAILED No Connection");
} catch (Exception e) {
}
} else {
internalCommand(oc, message, cmd, cmdData);
}
} else if (!alreadyConnected) {
Logging.getLogger().info("Access denied to " + message.getSender());
try {
oc.write("FAILED No Connection");
} catch (Exception e) {
}
} else {
Service s;
/* seek the destination service */
boolean serviceFound = false;
for (i = 0; i < this.services.size(); i++) {
s = (Service) services.get(i);
if (s.getName().equalsIgnoreCase(message.getApplication())) {
serviceFound = true;
UserConcept user = null;
ServiceConcept service = null;
try {
user = store.getUserStore().getUser(message.getSender().getName());
service = store.getServiceStore().getService(message.getReceiver().getName());
} catch (Exception e) {
}
/* tests serviceManager for permissions */
boolean isAutorizedService = false;
try {
isAutorizedService = store.getServiceStore().isAuthorizedService(user, service);
} catch (Exception e) {
}
if (!isAutorizedService) {
Logging.getLogger()
.info(
"#Err > "
+ message.getSender()
+ " : Service denied to "
+ message.getReceiver().getName());
try {
oc.write("FAILED You don't have acces to this service");
} catch (Exception e) {
}
} else {
try {
oc.write("OK");
} catch (Exception e) {
}
serviceFound = true;
s.process(oc, message);
}
break;
}
}
if (!serviceFound) {
try {
oc.write("FAILED unknown");
} catch (Exception e) {
}
Logging.getLogger()
.warning("#Err > Service " + message.getReceiver().getName() + " unknown");
}
}
oc.close();
}
