/**
* Checks client health periodically to see if we are connected. Tries to reconnect if not
* connected.
*/
private void checkClient() {
try {
/** If the errorCount is greater than 0, make sure we are still connected. */
if (errorCount.get() > 0) {
errorCount.set(0);
if (backendServiceHttpClient == null || backendServiceHttpClient.isClosed()) {
if (backendServiceHttpClient != null) {
try {
backendServiceHttpClient.stop();
} catch (Exception ex) {
logger.debug("Was unable to stop the client connection", ex);
}
}
backendServiceHttpClient = httpClientBuilder.buildAndStart();
lastHttpClientStart = time;
}
}
/** If the ping builder is present, use it to ping the service. */
if (pingBuilder.isPresent()) {
if (backendServiceHttpClient != null) {
pingBuilder
.get()
.setBinaryReceiver(
(code, contentType, body) -> {
if (code >= 200 && code < 299) {
pingCount.incrementAndGet();
} else {
errorCount.incrementAndGet();
}
})
.setErrorHandler(
e -> {
logger.error("Error doing ping operation", e);
errorCount.incrementAndGet();
});
final HttpRequest httpRequest = pingBuilder.get().build();
backendServiceHttpClient.sendHttpRequest(httpRequest);
}
}
} catch (Exception ex) {
errorHandler.accept(ex);
logger.error("Unable to check connection");
}
}