package io.vertx.core.net.impl;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.impl.VertxInternal;
import io.vertx.core.net.ProxyOptions;
/**
* The logic for connecting to an host, this implementations performs a connection
* to the host after resolving its internet address.
*
* See if we can replace that by a Netty handler sometimes.
*
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
public class ChannelProvider {
public static final ChannelProvider INSTANCE = new ChannelProvider();
protected ChannelProvider() {
}
public void connect(VertxInternal vertx, Bootstrap bootstrap, ProxyOptions options, String host, int port,
Handler<Channel> channelInitializer, Handler<AsyncResult<Channel>> channelHandler) {
bootstrap.resolver(vertx.nettyAddressResolverGroup());
bootstrap.handler(new ChannelInitializer<Channel>() {
@Override
protected void initChannel(Channel channel) throws Exception {
channelInitializer.handle(channel);
}
});
ChannelFuture fut = bootstrap.connect(host, port);
fut.addListener(res -> {
if (res.isSuccess()) {
channelHandler.handle(Future.succeededFuture(fut.channel()));
} else {
channelHandler.handle(Future.failedFuture(res.cause()));
}
});
}
}