/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.server.initialization;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Supplier;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Provides;
import com.google.inject.name.Named;
import com.google.inject.util.Providers;
import com.metamx.common.lifecycle.Lifecycle;
import com.metamx.emitter.core.Emitter;
import com.metamx.emitter.core.HttpPostEmitter;
import com.metamx.http.client.HttpClientConfig;
import com.metamx.http.client.HttpClientInit;
import io.druid.guice.JsonConfigProvider;
import io.druid.guice.LazySingleton;
import io.druid.guice.ManageLifecycle;
import javax.annotation.Nullable;
import javax.net.ssl.SSLContext;
/**
*/
public class HttpEmitterModule implements Module
{
@Override
public void configure(Binder binder)
{
JsonConfigProvider.bind(binder, "druid.emitter.http", HttpEmitterConfig.class);
// Fix the injection of this if we want to enable ssl emission of events.
binder.bind(SSLContext.class).toProvider(Providers.<SSLContext>of(null)).in(LazySingleton.class);
}
@Provides
@ManageLifecycle
@Named("http")
public Emitter getEmitter(
Supplier<HttpEmitterConfig> config,
@Nullable SSLContext sslContext,
Lifecycle lifecycle,
ObjectMapper jsonMapper
)
{
final HttpClientConfig.Builder builder = HttpClientConfig
.builder()
.withNumConnections(1)
.withReadTimeout(config.get().getReadTimeout().toStandardDuration());
if (sslContext != null) {
builder.withSslContext(sslContext);
}
return new HttpPostEmitter(config.get(), HttpClientInit.createClient(builder.build(), lifecycle), jsonMapper);
}
}