naiveproxy/net/quic/core/quic_bandwidth.cc

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2018-01-28 19:30:36 +03:00
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/quic/core/quic_bandwidth.h"
#include <cinttypes>
#include "net/quic/platform/api/quic_str_cat.h"
namespace net {
std::string QuicBandwidth::ToDebugValue() const {
if (bits_per_second_ < 80000) {
return QuicStringPrintf("%" PRId64 " bits/s (%" PRId64 " bytes/s)",
bits_per_second_, bits_per_second_ / 8);
}
double divisor;
char unit;
if (bits_per_second_ < 8 * 1000 * 1000) {
divisor = 1e3;
unit = 'k';
} else if (bits_per_second_ < INT64_C(8) * 1000 * 1000 * 1000) {
divisor = 1e6;
unit = 'M';
} else {
divisor = 1e9;
unit = 'G';
}
double bits_per_second_with_unit = bits_per_second_ / divisor;
double bytes_per_second_with_unit = bits_per_second_with_unit / 8;
return QuicStringPrintf("%.2f %cbits/s (%.2f %cbytes/s)",
bits_per_second_with_unit, unit,
bytes_per_second_with_unit, unit);
}
} // namespace net