private void sendHeader(ChannelHandlerContext ctx) throws IOException {
headerSent = true;
logger.info(
"Authenticating with Found Elasticsearch at [{}] on connection [{}]",
ctx.getChannel().getRemoteAddress(),
ctx.getChannel().getLocalAddress());
ChannelBuffer message = new FoundTransportHeader(clusterName.value(), apiKey).getHeaderBuffer();
ctx.sendDownstream(
new DownstreamMessageEvent(
ctx.getChannel(),
Channels.succeededFuture(ctx.getChannel()),
message,
ctx.getChannel().getRemoteAddress()));
}
