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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_OPENSCREEN_PLATFORM_NET_UDP_SOCKET_H_
#define COMPONENTS_OPENSCREEN_PLATFORM_NET_UDP_SOCKET_H_
#include "base/memory/raw_ptr.h"
#include "net/base/io_buffer.h"
#include "net/base/ip_endpoint.h"
#include "net/socket/udp_socket.h"
#include "third_party/openscreen/src/platform/api/udp_socket.h"
namespace net {
class IPEndPoint;
}
namespace openscreen_platform {
class NetUdpSocket final : public openscreen::UdpSocket {
public:
NetUdpSocket(Client* client, const openscreen::IPEndpoint& local_endpoint);
~NetUdpSocket() override;
NetUdpSocket& operator=(const NetUdpSocket&) = delete;
NetUdpSocket& operator=(NetUdpSocket&&) = delete;
private:
void SendErrorToClient(openscreen::Error::Code openscreen_error,
int net_error);
void DoRead();
bool HandleRecvFromResult(int result);
void OnRecvFromCompleted(int result);
void OnSendToCompleted(int result);
// openscreen::UdpSocket implementation.
bool IsIPv4() const override;
bool IsIPv6() const override;
openscreen::IPEndpoint GetLocalEndpoint() const override;
void Bind() override;
void SetMulticastOutboundInterface(
openscreen::NetworkInterfaceIndex ifindex) override;
void JoinMulticastGroup(const openscreen::IPAddress& address,
openscreen::NetworkInterfaceIndex ifindex) override;
void SendMessage(openscreen::ByteView data,
const openscreen::IPEndpoint& dest) final;
void SetDscp(openscreen::UdpSocket::DscpMode state) override;
const raw_ptr<Client> client_;
// The local endpoint can change as a result of Bind() calls.
openscreen::IPEndpoint local_endpoint_;
net::UDPSocket udp_socket_;
scoped_refptr<net::IOBuffer> read_buffer_;
net::IPEndPoint from_address_;
bool send_pending_ = false;
};
} // namespace openscreen_platform
#endif // COMPONENTS_OPENSCREEN_PLATFORM_NET_UDP_SOCKET_H_
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