private void start(final JsonObject config) {
final RxVertx rx = new RxVertx(vertx);
new FakeDataGenerator(config, rx);
new MetricsUpdatesRebroadcaster(config, rx);
new HttpServer(config, rx);
final String host = config.getObject("http").getString("host");
final Integer port = config.getObject("http").getInteger("port");
container.logger().info(String.format("Vert.x/Rx/React demo running on %s:%d", host, port));
}
private static String getLatestUpdate(JsonObject json) {
JsonObject responseData = json.getObject("ResponseData");
if (responseData != null) {
return responseData.getString("LatestUpdate");
}
return "ResponseData missing";
}
private JsonObject getMandatoryObject(JsonObject json, String field) {
JsonObject value = json.getObject(field);
if (value == null) {
throw new IllegalStateException(field + " must be specified for message");
}
return value;
}
/** Redeploys a deployment. */
private void doRedeploy(final JsonObject deploymentInfo) {
if (deploymentInfo.getString("type").equals("module")) {
log.info(
String.format(
"%s - redeploying module %s",
DefaultGroupManager.this, deploymentInfo.getString("module")));
final CountDownLatch latch = new CountDownLatch(1);
platform.deployModule(
deploymentInfo.getString("module"),
deploymentInfo.getObject("config", new JsonObject()),
deploymentInfo.getInteger("instances", 1),
createRedeployHandler(deploymentInfo, latch));
try {
latch.await(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
}
} else if (deploymentInfo.getString("type").equals("verticle")) {
log.info(
String.format(
"%s - redeploying verticle %s",
DefaultGroupManager.this, deploymentInfo.getString("main")));
final CountDownLatch latch = new CountDownLatch(1);
if (deploymentInfo.getBoolean("worker", false)) {
platform.deployWorkerVerticle(
deploymentInfo.getString("main"),
deploymentInfo.getObject("config", new JsonObject()),
deploymentInfo.getInteger("instances", 1),
deploymentInfo.getBoolean("multi-threaded"),
createRedeployHandler(deploymentInfo, latch));
} else {
platform.deployVerticle(
deploymentInfo.getString("main"),
deploymentInfo.getObject("config", new JsonObject()),
deploymentInfo.getInteger("instances", 1),
createRedeployHandler(deploymentInfo, latch));
}
try {
latch.await(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
}
}
}
/*
Empty inboundPermitted means reject everything - this is the default.
If at least one match is supplied and all the fields of any match match then the message inboundPermitted,
this means that specifying one match with a JSON empty object means everything is accepted
*/
private Match checkMatches(boolean inbound, String address, Object body) {
if (inbound && acceptedReplyAddresses.remove(address)) {
// This is an inbound reply, so we accept it
return new Match(true, false);
}
List<JsonObject> matches = inbound ? inboundPermitted : outboundPermitted;
for (JsonObject matchHolder : matches) {
String matchAddress = matchHolder.getString("address");
String matchRegex;
if (matchAddress == null) {
matchRegex = matchHolder.getString("address_re");
} else {
matchRegex = null;
}
boolean addressOK;
if (matchAddress == null) {
if (matchRegex == null) {
addressOK = true;
} else {
addressOK = regexMatches(matchRegex, address);
}
} else {
addressOK = matchAddress.equals(address);
}
if (addressOK) {
boolean matched = true;
// Can send message other than JSON too - in which case we can't do deep matching on
// structure of message
if (body instanceof JsonObject) {
JsonObject match = matchHolder.getObject("match");
if (match != null) {
for (String fieldName : match.getFieldNames()) {
if (!match.getField(fieldName).equals(((JsonObject) body).getField(fieldName))) {
matched = false;
break;
}
}
}
}
if (matched) {
Boolean b = matchHolder.getBoolean("requires_auth");
return new Match(true, b != null && b);
}
}
}
return new Match(false, false);
}
@Override
public void handle(Message<JsonObject> reply) {
final JsonObject body = reply.body();
if ("ok".equals(body.getString("status"))) {
this.worlds.add(body.getObject("result"));
if (this.worlds.size() == this.queries) {
// All queries have completed; send the response.
final String result = Json.encode(worlds);
final int contentLength = result.getBytes(StandardCharsets.UTF_8).length;
this.req.response().putHeader("Content-Type", "application/json; charset=UTF-8");
this.req.response().putHeader("Content-Length", String.valueOf(contentLength));
this.req.response().end(result);
}
} else {
System.err.println("Failed to execute query");
}
}
private void parseConfigAndStart(final Buffer buffer) {
final JsonObject config = new JsonObject(buffer.toString());
container.deployModule(
METRICS_MODULE,
config.getObject("metrics"),
ar -> {
if (ar.succeeded()) {
container
.logger()
.fatal("Deployed: " + METRICS_MODULE + " with id: " + ar.result(), ar.cause());
start(config);
} else {
container.logger().fatal("Failed to deploy: " + METRICS_MODULE, ar.cause());
}
});
}
@Override
public void handle(Message<JsonObject> event) {
Integer id = event.body.getInteger("id");
JsonObject params = event.body.getObject("op");
JsonObject state = event.body.getObject("state");
JsonObject meta = state.getObject("meta");
if (meta == null) {
meta = new JsonObject();
}
StringBuilder key = new StringBuilder();
key.append(HandlerUtils.determineKs(params, state, null));
key.append(' ');
key.append(HandlerUtils.determineCf(params, state, null));
key.append(' ');
key.append(params.getString("type"));
meta.putObject(key.toString(), new JsonObject().putString("clazz", params.getString("clazz")));
state.putObject("meta", meta);
event.reply(new JsonObject().putString(id.toString(), "OK").putObject("state", state));
}
public static JsonObject invoke(JsonObject json, String area) {
JsonObject responseData = json.getObject("ResponseData");
if (responseData == null) {
return new JsonObject();
}
if (Server.l != null) {
Server.l.info(getLatestUpdate(json) + " - " + getExecutionTime(json));
}
Predicate<String> isJsonArray = name -> responseData.getField(name) instanceof JsonArray;
Function<String, List<JsonObject>> jsonArrayToList =
name -> {
Stream<Object> stream =
stream(responseData.<JsonArray>getField(name).spliterator(), false);
Stream<JsonObject> objectStream = stream.filter(getFilterFor(area));
return objectStream.collect(toList());
};
Predicate<Map.Entry<String, List<JsonObject>>> nonEmpty = entry -> !entry.getValue().isEmpty();
Stream<Map.Entry<String, List<JsonObject>>> entryStream =
responseData
.getFieldNames()
.stream()
.filter(isJsonArray)
.collect(toMap(String::toLowerCase, jsonArrayToList))
.entrySet()
.stream()
.filter(nonEmpty);
JsonObject result = toJsonObject(entryStream);
setUniqueKeysOn(result.getArray("trains"));
writeHeaderFields(result);
return result;
}
@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"));
}
}
});
}
@Override
public void handleUser(Message<JsonObject> event) {
Integer id = event.body.getInteger("id");
JsonObject params = event.body.getObject("op");
JsonObject state = event.body.getObject("state");
JsonObject meta = state.getObject("meta");
JsonObject metaColumn = state.getObject("metaColumn");
JsonObject metaRanged = state.getObject("metaRanged");
if (meta == null) {
meta = new JsonObject();
}
if (metaColumn == null) {
metaColumn = new JsonObject();
}
if (metaRanged == null) {
metaRanged = new JsonObject();
}
if (params.getString("type") != null) {
StringBuilder key = new StringBuilder();
key.append(HandlerUtils.instance.determineKs(params, state, null));
key.append(' ');
key.append(HandlerUtils.instance.determineCf(params, state, null));
key.append(' ');
key.append(params.getString("type"));
meta.putObject(
key.toString(), new JsonObject().putString("clazz", params.getString("clazz")));
state.putObject("meta", meta);
event.reply(new JsonObject().putString(id.toString(), "OK").putObject("state", state));
} else if (params.getField("name") != null) {
Object o = params.getField("name");
ByteBuffer bb = HandlerUtils.instance.byteBufferForObject(o);
StringBuilder key = new StringBuilder();
key.append(HandlerUtils.instance.determineKs(params, state, null));
key.append(' ');
key.append(HandlerUtils.instance.determineCf(params, state, null));
key.append(' ');
key.append(ByteBufferUtil.bytesToHex(bb));
metaColumn.putObject(
key.toString(), new JsonObject().putString("clazz", params.getString("clazz")));
state.putObject("metaColumn", metaColumn);
event.reply(new JsonObject().putString(id.toString(), "OK").putObject("state", state));
} else if (params.getField(Operations.RANGE_START) != null) {
Object start = params.getField(Operations.RANGE_START);
Object end = params.getField(Operations.RANGE_END);
ByteBuffer sbuf = HandlerUtils.instance.byteBufferForObject(start);
ByteBuffer ebuf = HandlerUtils.instance.byteBufferForObject(end);
StringBuilder key = new StringBuilder();
key.append(HandlerUtils.instance.determineKs(params, state, null));
key.append(' ');
key.append(HandlerUtils.instance.determineCf(params, state, null));
key.append(' ');
key.append(ByteBufferUtil.bytesToHex(sbuf));
JsonObject value = new JsonObject();
value.putString("clazz", params.getString("clazz"));
value.putString("end", ByteBufferUtil.bytesToHex(ebuf));
metaRanged.putObject(key.toString(), value);
state.putObject("metaRanged", metaRanged);
event.reply(new JsonObject().putString(id.toString(), "OK").putObject("state", state));
} else {
throw new RuntimeException("hit bottom this is bad ok");
}
}
/**
* Deserializes a context from JSON.
*
* @param context The serialized context.
* @return The deserialized context.
*/
public static <T extends Context<T>> T deserialize(JsonObject context) {
return deserialize(context.getString("uri"), context.getObject("context"));
}