@Override
protected void decode(ChannelHandlerContext ctx, RESPONSE msg, List<Object> out)
throws Exception {
if (currentDecodingState == DecodingState.INITIAL) {
currentRequest = sentRequestQueue.poll();
currentDecodingState = DecodingState.STARTED;
if (currentRequest != null) {
Long st = sentRequestTimings.poll();
if (st != null) {
currentOpTime = System.nanoTime() - st;
} else {
currentOpTime = -1;
}
}
if (traceEnabled) {
LOGGER.trace("{}Started decoding of {}", logIdent(ctx, endpoint), currentRequest);
}
}
try {
CouchbaseResponse response = decodeResponse(ctx, msg);
if (response != null) {
publishResponse(response, currentRequest.observable());
if (currentDecodingState == DecodingState.FINISHED) {
if (currentRequest != null
&& currentOpTime >= 0
&& env() != null
&& env().networkLatencyMetricsCollector().isEnabled()) {
NetworkLatencyMetricsIdentifier identifier =
new NetworkLatencyMetricsIdentifier(
remoteHostname,
serviceType().toString(),
currentRequest.getClass().getSimpleName(),
response.status().toString());
env().networkLatencyMetricsCollector().record(identifier, currentOpTime);
}
}
}
} catch (CouchbaseException e) {
currentRequest.observable().onError(e);
} catch (Exception e) {
currentRequest.observable().onError(new CouchbaseException(e));
}
if (currentDecodingState == DecodingState.FINISHED) {
if (traceEnabled) {
LOGGER.trace("{}Finished decoding of {}", logIdent(ctx, endpoint), currentRequest);
}
currentRequest = null;
currentDecodingState = DecodingState.INITIAL;
}
}
