@Override
public void get(String sid, final Handler<JsonObject> callback) {
sid = this.prefix + sid;
JsonObject redis = new JsonObject();
redis.putString("command", "get");
redis.putArray("args", new JsonArray().add(sid));
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> reply) {
if ("ok".equals(reply.body().getString("status"))) {
String value = reply.body().getString("value");
if (value == null || "".equals(value)) {
callback.handle(null);
return;
}
callback.handle(new JsonObject(value));
} else {
callback.handle(null);
}
}
});
}
private void checkAndSend(
boolean send,
final String address,
Object body,
final SockJSSocket sock,
final String replyAddress) {
final Handler<Message> replyHandler;
if (replyAddress != null) {
replyHandler =
new Handler<Message>() {
public void handle(Message message) {
// Note we don't check outbound matches for replies
// Replies are always let through if the original message
// was approved
checkAddAccceptedReplyAddress(message.replyAddress);
deliverMessage(sock, replyAddress, message);
}
};
} else {
replyHandler = null;
}
if (log.isDebugEnabled()) {
log.debug("Forwarding message to address " + address + " on event bus");
}
if (send) {
eb.send(address, body, replyHandler);
} else {
eb.publish(address, body);
}
}
@SuppressWarnings("unused")
private void getKeys(final Handler<JsonArray> next) {
JsonObject redis = new JsonObject();
redis.putString("command", "keys");
redis.putArray("args", new JsonArray().add(prefix + "*"));
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> message) {
if (!"ok".equals(message.body().getString("status"))) {
next.handle(new JsonArray());
} else {
JsonArray keys = message.body().getArray("value");
JsonArray result = new JsonArray();
int len = prefix.length();
for (Object o : keys) {
String key = (String) o;
result.add(key.substring(len));
}
next.handle(result);
}
}
});
}
/**
* Destroys a session and gives the result to a handler.
*
* @param sessionId The id of the session to destroy.
* @param doneHandler The handler to call with the result of the session manager.
*/
public void destroySession(String sessionId, final Handler<JsonObject> doneHandler) {
eventBus.send(
smAddress,
new JsonObject().putString("action", "destroy").putString("sessionId", sessionId),
new Handler<Message<JsonObject>>() {
public void handle(Message<JsonObject> arg0) {
doneHandler.handle(arg0.body);
}
});
}
/**
* Gets informations about open sessions and delivers this info to the specified handler.
*
* @param handler The handler to call after getting the results of the connections report.
*/
public void withConnectionStats(final Handler<JsonObject> handler) {
eventBus.send(
smAddress,
new JsonObject().putString("action", "status").putString("report", "connections"),
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> event) {
handler.handle(event.body);
}
});
}
private void sendPutData(
String sessionId, JsonObject putObject, final Handler<JsonObject> doneHandler) {
JsonObject json =
new JsonObject()
.putString("action", "put")
.putString("sessionId", sessionId)
.putObject("data", putObject);
if (doneHandler != null) {
eventBus.send(
smAddress,
json,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> msg) {
doneHandler.handle(msg.body);
}
});
} else {
eventBus.send(smAddress, json);
}
}
@Override
public void all(final Handler<JsonArray> next) {
JsonObject redis = new JsonObject();
redis.putString("command", "keys");
redis.putArray("args", new JsonArray().add(prefix + "*"));
final JsonArray results = new JsonArray();
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> message) {
if (!"ok".equals(message.body().getString("status"))) {
next.handle(null);
} else {
JsonArray keys = message.body().getArray("value");
new AsyncIterator<Object>(keys.iterator()) {
@Override
public void handle(Object key) {
if (hasNext()) {
JsonObject redis = new JsonObject();
redis.putString("command", "get");
redis.putArray("args", new JsonArray().add(key));
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> message) {
if (!"ok".equals(message.body().getString("status"))) {
next.handle(null);
} else {
String value = message.body().getString("value");
if (value != null) {
results.add(new JsonObject(value));
}
next();
}
}
});
} else {
next.handle(results);
}
}
};
}
}
});
}
/**
* Checks all sessions for a potential match of the specified JsonObject and returns the reply of
* the session manager ({ matches : true/false, sessions: [...all matching sessions or empty
* JsonArray...] }).
*
* @param json The JsonObject to check against all sessions.
* @param doneHandler Handles the result of the session manager.
*/
public void checkAllSessionsForMatch(JsonObject json, final Handler<JsonObject> doneHandler) {
eventBus.send(
smAddress,
new JsonObject()
.putString("action", "status")
.putString("report", "matches")
.putObject("data", json),
new Handler<Message<JsonObject>>() {
public void handle(Message<JsonObject> arg0) {
doneHandler.handle(arg0.body);
};
});
}
/**
* Gets multiple data fields from the session storage by using a session id.
*
* @param sessionId The id of the session.
* @param requiredFields The wanted fields from the session storage.
* @param handler A handler for the received data.
*/
public void withSessionData(
String sessionId, JsonArray requiredFields, final Handler<JsonObject> handler) {
final JsonObject json =
new JsonObject()
.putString("action", "get")
.putString("sessionId", sessionId)
.putArray("fields", requiredFields);
eventBus.send(
smAddress,
json,
new Handler<Message<JsonObject>>() {
public void handle(Message<JsonObject> event) {
handler.handle(event.body);
};
});
}
public static void main(final String[] args) throws Exception {
System.setProperty(
"vertx.clusterManagerFactory", HazelcastClusterManagerFactory.class.getName());
PlatformManager platformManager = null;
try {
// Step 1 Create a Vert.x PlatformManager
platformManager = PlatformLocator.factory.createPlatformManager(PORT, HOST);
final CountDownLatch latch0 = new CountDownLatch(1);
// Step 2 Deploy a Verticle to receive message
String verticle = "org.apache.activemq.artemis.core.example.ExampleVerticle";
platformManager.deployVerticle(
verticle,
null,
new URL[0],
1,
null,
new Handler<AsyncResult<String>>() {
@Override
public void handle(AsyncResult<String> result) {
if (!result.succeeded()) {
throw new RuntimeException("failed to deploy verticle", result.cause());
}
latch0.countDown();
}
});
latch0.await();
// Step 3 Send a message to the incoming connector's address
EventBus bus = platformManager.vertx().eventBus();
bus.send(INCOMING, MSG);
// Step 4 Waiting for the Verticle to process the message
latch.await(10000, TimeUnit.MILLISECONDS);
} finally {
if (platformManager != null) {
platformManager.undeployAll(null);
platformManager.stop();
}
reportResultAndExit();
}
}
private void authorise(
final JsonObject message, final String sessionID, final AsyncResultHandler<Boolean> handler) {
// If session id is in local cache we'll consider them authorised
final AsyncResult<Boolean> res = new AsyncResult<>();
if (authCache.containsKey(sessionID)) {
res.setResult(true).setHandler(handler);
} else {
eb.send(
authAddress,
message,
new Handler<Message<JsonObject>>() {
public void handle(Message<JsonObject> reply) {
boolean authed = reply.body.getString("status").equals("ok");
res.setResult(authed).setHandler(handler);
}
});
}
}
/**
* Creates a new session for the specified request. It will provide the newly created session id
* as a cookie.
*
* @param req The http server request, i.e. client, to create a session for.
* @param handlerWithSessionId A handler to use the created session id with.
*/
public void startSession(
final HttpServerRequest req, final Handler<String> handlerWithSessionId) {
// Create a new session and use that
eventBus.send(
smAddress,
new JsonObject().putString("action", "start"),
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> event) {
String sessionId = event.body.getString("sessionId");
CookieEncoder ce = new CookieEncoder(true);
ce.addCookie(cookieField, sessionId);
req.response.putHeader("Set-Cookie", ce.encode());
if (handlerWithSessionId != null) {
handlerWithSessionId.handle(sessionId);
}
}
});
}
@Override
@SuppressWarnings("rawtypes")
public void flush() throws TTransportException {
if (methodCall_.isOneway()) {
eventBus_.send(address_, outputBuffer_);
} else {
eventBus_.sendWithTimeout(
address_,
outputBuffer_,
timeout_,
new Handler<AsyncResult<Message<Buffer>>>() {
@Override
public void handle(AsyncResult<Message<Buffer>> event) {
if (event.failed()) {
methodCall_.onError(
new TTransportException(
TTransportException.TIMED_OUT,
"No reply after "
+ timeout_
+ "ms for method call of seqid: "
+ methodCall_.getSeqId(),
event.cause()));
} else {
Message message = event.result();
Object body = message.body();
if (!(body instanceof Buffer)) {
methodCall_.onError(
new TProtocolException(
TProtocolException.INVALID_DATA,
"Reply message type not supported: " + message.getClass().getName()));
return;
}
responseHandler_.handleResponse(
new TMemoryInputTransport(((Buffer) body).getBytes()));
}
}
});
}
// Waiting for the next request
resetOutputBuffer();
}
@Override
public void length(final Handler<Integer> next) {
JsonObject redis = new JsonObject();
redis.putString("command", "keys");
redis.putArray("args", new JsonArray().add(prefix + "*"));
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> message) {
if (!"ok".equals(message.body().getString("status"))) {
next.handle(0);
} else {
JsonArray keys = message.body().getArray("value");
next.handle(keys.size());
}
}
});
}
@Override
public void destroy(String sid, final Handler<Object> callback) {
sid = this.prefix + sid;
JsonObject redis = new JsonObject();
redis.putString("command", "del");
redis.putArray("args", new JsonArray().add(sid));
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> reply) {
if ("ok".equals(reply.body().getString("status"))) {
callback.handle(null);
} else {
callback.handle(reply.body().getString("message"));
}
}
});
}
@Override
public void set(String sid, JsonObject sess, final Handler<Object> callback) {
sid = prefix + sid;
Integer maxAge = null;
JsonObject obj = sess.getObject("cookie");
if (obj != null) {
maxAge = obj.getInteger("maxAge");
}
String session = sess.encode();
int ttl;
if (maxAge != null) {
ttl = maxAge / 1000;
} else {
ttl = this.ttl;
}
JsonObject redis = new JsonObject();
redis.putString("command", "setex");
redis.putArray("args", new JsonArray().add(sid).add(ttl).add(session));
eventBus.send(
redisAddress,
redis,
new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> reply) {
if ("ok".equals(reply.body().getString("status"))) {
callback.handle(null);
} else {
callback.handle(reply.body().getString("message"));
}
}
});
}
