/*
* Copyright 2016 The Simple File Server Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sfs.nodes.master;
import io.vertx.core.Handler;
import io.vertx.core.MultiMap;
import io.vertx.core.json.JsonObject;
import io.vertx.core.logging.Logger;
import org.sfs.Server;
import org.sfs.SfsRequest;
import org.sfs.VertxContext;
import org.sfs.auth.Authenticate;
import org.sfs.jobs.Jobs;
import org.sfs.rx.Defer;
import org.sfs.rx.Terminus;
import org.sfs.rx.ToVoid;
import org.sfs.validate.ValidateActionAdminOrSystem;
import org.sfs.validate.ValidateHeaderBetweenLong;
import org.sfs.validate.ValidateHeaderExists;
import org.sfs.validate.ValidateNodeIsMasterNode;
import org.sfs.validate.ValidateParamExists;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeUnit;
import static io.vertx.core.logging.LoggerFactory.getLogger;
import static java.net.HttpURLConnection.HTTP_OK;
import static org.sfs.util.KeepAliveHttpServerResponse.DELIMITER_BUFFER;
public class MasterNodeWaitForJob implements Handler<SfsRequest> {
private static final Logger LOGGER = getLogger(MasterNodeWaitForJob.class);
@Override
public void handle(SfsRequest httpServerRequest) {
VertxContext<Server> vertxContext = httpServerRequest.vertxContext();
Defer.aVoid()
.flatMap(new Authenticate(httpServerRequest))
.flatMap(new ValidateActionAdminOrSystem(httpServerRequest))
.map(new ValidateNodeIsMasterNode<>(vertxContext))
.map(aVoid -> httpServerRequest)
.map(new ValidateHeaderExists(Jobs.Parameters.JOB_ID))
.map(new ValidateHeaderBetweenLong(Jobs.Parameters.TIMEOUT, 100, Long.MAX_VALUE))
.map(new ToVoid<>())
.flatMap(aVoid -> {
MultiMap headers = httpServerRequest.headers();
long timeout = headers.contains(Jobs.Parameters.TIMEOUT) ? Long.parseLong(headers.get(Jobs.Parameters.TIMEOUT)) : -1;
String jobId = headers.get(Jobs.Parameters.JOB_ID);
httpServerRequest.startProxyKeepAlive();
Jobs jobs = vertxContext.verticle().jobs();
return Defer.aVoid()
.flatMap(aVoid1 -> {
if (timeout >= 0) {
return jobs.waitStopped(vertxContext, jobId, timeout, TimeUnit.MILLISECONDS);
} else {
return Defer.aVoid();
}
});
})
.single()
.subscribe(new Terminus<Void>(httpServerRequest) {
@Override
public void onNext(Void aVoid) {
JsonObject responseJson = new JsonObject()
.put("code", HTTP_OK)
.put("message", "Success");
httpServerRequest.response()
.write(responseJson.encode(), StandardCharsets.UTF_8.toString())
.write(DELIMITER_BUFFER);
}
});
}
}