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// Copyright (c) 2013 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 "content/browser/renderer_host/p2p/socket_host_throttler.h"
#include "third_party/libjingle/source/talk/base/ratelimiter.h"
#include "third_party/libjingle/source/talk/base/timing.h"
namespace content {
namespace {
const int kMaxIceMessageBandwidth = 256 * 1024;
} // namespace
P2PMessageThrottler::P2PMessageThrottler()
: timing_(new talk_base::Timing()),
rate_limiter_(new talk_base::RateLimiter(kMaxIceMessageBandwidth, 1.0)) {
}
P2PMessageThrottler::~P2PMessageThrottler() {
}
void P2PMessageThrottler::SetTiming(scoped_ptr<talk_base::Timing> timing) {
timing_ = timing.Pass();
}
void P2PMessageThrottler::SetSendIceBandwidth(int bandwidth_kbps) {
rate_limiter_.reset(new talk_base::RateLimiter(bandwidth_kbps, 1.0));
}
bool P2PMessageThrottler::DropNextPacket(size_t packet_len) {
double now = timing_->TimerNow();
if (!rate_limiter_->CanUse(packet_len, now)) {
// Exceeding the send rate, this packet should be dropped.
return true;
}
rate_limiter_->Use(packet_len, now);
return false;
}
} // namespace content
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