blob: 254922dc06e4a805316e7bf5ef1fc52813653f24 [file] [log] [blame]
// Copyright (c) 2011 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/base/net_export.h"
namespace net {
class IPEndPoint;
class NetLogWithSource;
// A datagram socket is an interface to a protocol which exchanges
// datagrams, like UDP.
class NET_EXPORT_PRIVATE DatagramSocket {
// Type of source port binding to use.
enum BindType {
virtual ~DatagramSocket() {}
// Close the socket.
virtual void Close() = 0;
// Copy the remote udp address into |address| and return a network error code.
virtual int GetPeerAddress(IPEndPoint* address) const = 0;
// Copy the local udp address into |address| and return a network error code.
// (similar to getsockname)
virtual int GetLocalAddress(IPEndPoint* address) const = 0;
// Switch to use non-blocking IO. Must be called right after construction and
// before other calls.
virtual void UseNonBlockingIO() = 0;
// Requests that packets sent by this socket not be fragment, either locally
// by the host, or by routers (via the DF bit in the IPv4 packet header).
// May not be supported by all platforms. Returns a return a network error
// code if there was a problem, but the socket will still be usable. Can not
// return ERR_IO_PENDING.
virtual int SetDoNotFragment() = 0;
// If |confirm| is true, then the MSG_CONFIRM flag will be passed to
// subsequent writes if it's supported by the platform.
virtual void SetMsgConfirm(bool confirm) = 0;
// Gets the NetLog for this socket.
virtual const NetLogWithSource& NetLog() const = 0;
} // namespace net