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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/gcm_driver/gcm_backoff_policy.h"
namespace gcm {
namespace {
// Backoff policy. Shared across GCM requests.
// Note: In order to ensure a minimum of 20 seconds between server errors (for
// server reasons), we have a 30s +- 10s (33%) jitter initial backoff.
const net::BackoffEntry::Policy kDefaultBackoffPolicy = {
// Number of initial errors (in sequence) to ignore before applying
// exponential back-off rules.
0,
// Initial delay for exponential back-off in ms.
30 * 1000, // 30 seconds.
// Factor by which the waiting time will be multiplied.
2,
// Fuzzing percentage. ex: 10% will spread requests randomly
// between 90%-100% of the calculated time.
0.33, // 33%.
// Maximum amount of time we are willing to delay our request in ms.
10 * 60 * 1000, // 10 minutes.
// Time to keep an entry from being discarded even when it
// has no significant state, -1 to never discard.
-1,
// Don't use initial delay unless the last request was an error.
false,
};
} // namespace
const net::BackoffEntry::Policy& GetGCMBackoffPolicy() {
return kDefaultBackoffPolicy;
}
} // namespace gcm
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