private void doHttpMaxFailover() {
long maxTimeAgo = clock.now() - silentPeriodForMaxHttpRequest;
if (!httpRequestControl.requestQueued(HttpRequestControl.RequestReason.MAX)
&& UpdateSettings.LAST_SIMPP_FAILOVER.getValue() < maxTimeAgo) {
int rndDelay = RANDOM.nextInt(maxMaxHttpRequestDelay) + minMaxHttpRequestDelay;
final String rndUri = maxedUpdateList.get(RANDOM.nextInt(maxedUpdateList.size()));
LOG.debug("Scheduling http max failover in: " + rndDelay + ", to: " + rndUri);
backgroundExecutor.schedule(
new Runnable() {
public void run() {
String url = rndUri;
try {
launchHTTPUpdate(url);
} catch (URISyntaxException e) {
httpRequestControl.requestFinished();
httpRequestControl.cancelRequest();
LOG.warn("uri failure", e);
}
}
},
rndDelay,
TimeUnit.MILLISECONDS);
} else {
LOG.debug("Ignoring http max failover.");
}
}
public boolean requestFailed(HttpUriRequest request, HttpResponse response, IOException exc) {
LOG.warn("http failover failed", exc);
httpRequestControl.requestFinished();
UpdateSettings.LAST_SIMPP_FAILOVER.setValue(clock.now());
httpExecutor.get().releaseResources(response);
// nothing we can do.
return false;
}
public boolean requestComplete(HttpUriRequest request, HttpResponse response) {
LOG.debug("http request method succeeded");
// remember we made an attempt even if it didn't succeed
UpdateSettings.LAST_SIMPP_FAILOVER.setValue(clock.now());
final byte[] inflated;
try {
if (response.getStatusLine().getStatusCode() < 200
|| response.getStatusLine().getStatusCode() >= 300)
throw new IOException("bad code " + response.getStatusLine().getStatusCode());
byte[] resp = null;
if (response.getEntity() != null) {
resp = IOUtils.readFully(response.getEntity().getContent());
}
if (resp == null || resp.length == 0) throw new IOException("bad body");
// inflate the response and process.
inflated = IOUtils.inflate(resp);
} catch (IOException failed) {
httpRequestControl.requestFinished();
LOG.warn("couldn't fetch data ", failed);
return false;
} finally {
httpExecutor.get().releaseResources(response);
}
// Handle the data in the background thread.
backgroundExecutor.execute(
new Runnable() {
public void run() {
httpRequestControl.requestFinished();
LOG.trace("Parsing new data...");
handleDataInternal(inflated, UpdateType.FROM_HTTP, null);
}
});
return false; // no more requests
}