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// Copyright 2014 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 "media/cast/test/loopback_transport.h"
#include <utility>
#include "base/macros.h"
#include "base/single_thread_task_runner.h"
#include "base/time/tick_clock.h"
#include "media/cast/test/utility/udp_proxy.h"
namespace media {
namespace cast {
namespace {
// Shim that turns forwards packets from a test::PacketPipe to a
// PacketReceiverCallback.
class LoopBackPacketPipe : public test::PacketPipe {
public:
LoopBackPacketPipe(
const PacketReceiverCallback& packet_receiver)
: packet_receiver_(packet_receiver) {}
~LoopBackPacketPipe() final {}
// PacketPipe implementations.
void Send(scoped_ptr<Packet> packet) final {
packet_receiver_.Run(std::move(packet));
}
private:
PacketReceiverCallback packet_receiver_;
DISALLOW_COPY_AND_ASSIGN(LoopBackPacketPipe);
};
} // namespace
LoopBackTransport::LoopBackTransport(
scoped_refptr<CastEnvironment> cast_environment)
: cast_environment_(cast_environment),
bytes_sent_(0) {
}
LoopBackTransport::~LoopBackTransport() {
}
bool LoopBackTransport::SendPacket(PacketRef packet,
const base::Closure& cb) {
DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
scoped_ptr<Packet> packet_copy(new Packet(packet->data));
packet_pipe_->Send(std::move(packet_copy));
bytes_sent_ += packet->data.size();
return true;
}
int64_t LoopBackTransport::GetBytesSent() {
return bytes_sent_;
}
void LoopBackTransport::Initialize(
scoped_ptr<test::PacketPipe> pipe,
const PacketReceiverCallback& packet_receiver,
const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
base::TickClock* clock) {
scoped_ptr<test::PacketPipe> loopback_pipe(
new LoopBackPacketPipe(packet_receiver));
if (pipe) {
// Append the loopback pipe to the end.
pipe->AppendToPipe(std::move(loopback_pipe));
packet_pipe_ = std::move(pipe);
} else {
packet_pipe_ = std::move(loopback_pipe);
}
packet_pipe_->InitOnIOThread(task_runner, clock);
}
} // namespace cast
} // namespace media
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