/**
* Detects if we're connecting to a Found Elasticsearch cluster (using pre-configured host
* suffixes) and adds a SSL handler at the beginning of the pipeline if we're connecting to a
* SSL-endpoint (using a list of pre-configured ports).
*/
@Override
public void connectRequested(final ChannelHandlerContext ctx, final ChannelStateEvent e)
throws Exception {
if (e.getValue() instanceof InetSocketAddress) {
InetSocketAddress inetSocketAddress = (InetSocketAddress) e.getValue();
for (String suffix : hostSuffixes) {
isFoundCluster = isFoundCluster || inetSocketAddress.getHostString().endsWith(suffix);
}
if (isFoundCluster) {
for (int sslPort : sslPorts) {
if (inetSocketAddress.getPort() == sslPort) {
logger.debug(
"Enabling SSL on transport layer with unsafeAllowSelfSigned=[{}].",
unsafeAllowSelfSigned);
FoundSSLHandler handler =
FoundSSLUtils.getSSLHandler(unsafeAllowSelfSigned, inetSocketAddress);
ctx.getPipeline().addFirst("ssl", handler);
break;
}
}
} else {
ctx.getPipeline().remove(this);
}
}
super.connectRequested(ctx, e);
}
/**
* {@inheritDoc} Down-casts the received downstream event into more meaningful sub-type event and
* calls an appropriate handler method with the down-casted event.
*/
public void handleDownstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
if (e instanceof MessageEvent) {
writeRequested(ctx, (MessageEvent) e);
} else if (e instanceof ChannelStateEvent) {
ChannelStateEvent evt = (ChannelStateEvent) e;
switch (evt.getState()) {
case OPEN:
if (!Boolean.TRUE.equals(evt.getValue())) {
closeRequested(ctx, evt);
}
break;
case BOUND:
if (evt.getValue() != null) {
bindRequested(ctx, evt);
} else {
unbindRequested(ctx, evt);
}
break;
case CONNECTED:
if (evt.getValue() != null) {
connectRequested(ctx, evt);
} else {
disconnectRequested(ctx, evt);
}
break;
case INTEREST_OPS:
setInterestOpsRequested(ctx, evt);
break;
default:
ctx.sendDownstream(e);
}
} else {
ctx.sendDownstream(e);
}
}
