/**
* Copyright (C) 2014 Couchbase, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
* IN THE SOFTWARE.
*/
package com.couchbase.client.core.config.refresher;
import com.couchbase.client.core.ClusterFacade;
import com.couchbase.client.core.config.BucketConfig;
import com.couchbase.client.core.config.ClusterConfig;
import com.couchbase.client.core.logging.CouchbaseLogger;
import com.couchbase.client.core.logging.CouchbaseLoggerFactory;
import com.couchbase.client.core.message.config.BucketStreamingRequest;
import com.couchbase.client.core.message.config.BucketStreamingResponse;
import rx.Observable;
import rx.functions.Action1;
import rx.functions.Func1;
/**
* Keeps the bucket config fresh through a HTTP streaming connection.
*
* @author Michael Nitschinger
* @since 1.0
*/
public class HttpRefresher extends AbstractRefresher {
/**
* The logger used.
*/
private static final CouchbaseLogger LOGGER = CouchbaseLoggerFactory.getInstance(HttpRefresher.class);
private static final String TERSE_PATH = "/pools/default/bs/";
private static final String VERBOSE_PATH = "/pools/default/bucketsStreaming/";
public HttpRefresher(final ClusterFacade cluster) {
super(cluster);
}
@Override
public Observable<Boolean> registerBucket(final String name, final String password) {
LOGGER.debug("Registering bucket " + name + ".");
return super.registerBucket(name, password).flatMap(new Func1<Boolean, Observable<BucketStreamingResponse>>() {
@Override
public Observable<BucketStreamingResponse> call(Boolean aBoolean) {
return cluster().send(new BucketStreamingRequest(TERSE_PATH, name, password));
}
}).onErrorResumeNext(new Func1<Throwable, Observable<BucketStreamingResponse>>() {
@Override
public Observable<BucketStreamingResponse> call(Throwable throwable) {
return cluster().send(new BucketStreamingRequest(VERBOSE_PATH, name, password));
}
})
.map(new Func1<BucketStreamingResponse, Boolean>() {
@Override
public Boolean call(final BucketStreamingResponse response) {
response
.configs()
.map(new Func1<String, String>() {
@Override
public String call(String s) {
return s.replace("$HOST", response.host());
}
})
.subscribe(new Action1<String>() {
@Override
public void call(final String rawConfig) {
pushConfig(rawConfig);
}
});
return true;
}
});
}
@Override
public Observable<Boolean> deregisterBucket(final String name) {
LOGGER.debug("Deregistering bucket " + name + ".");
return super.deregisterBucket(name);
}
@Override
public Observable<Boolean> shutdown() {
return null;
}
@Override
public void markTainted(BucketConfig config) {
}
@Override
public void markUntainted(BucketConfig config) {
}
@Override
public void refresh(ClusterConfig config) {
}
}