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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_SOCKET_DATAGRAM_CLIENT_SOCKET_H_
#define NET_SOCKET_DATAGRAM_CLIENT_SOCKET_H_
#include "net/base/datagram_buffer.h"
#include "net/base/net_export.h"
#include "net/base/network_handle.h"
#include "net/socket/datagram_socket.h"
#include "net/socket/socket.h"
namespace net {
class IPEndPoint;
class SocketTag;
class NET_EXPORT_PRIVATE DatagramClientSocket : public DatagramSocket,
public Socket {
public:
~DatagramClientSocket() override = default;
// Initialize this socket as a client socket to server at |address|.
// Returns a network error code.
// TODO(liza): Remove this method once consumers have been updated.
virtual int Connect(const IPEndPoint& address) = 0;
// Binds this socket to |network| and initializes socket as a client socket
// to server at |address|. All data traffic on the socket will be sent and
// received via |network|. This call will fail if |network| has disconnected.
// Communication using this socket will fail if |network| disconnects.
// Returns a net error code.
// TODO(liza): Remove this method once consumers have been updated.
virtual int ConnectUsingNetwork(handles::NetworkHandle network,
const IPEndPoint& address) = 0;
// Same as ConnectUsingNetwork, except that the current default network is
// used. Returns a net error code.
// TODO(liza): Remove this method once consumers have been updated.
virtual int ConnectUsingDefaultNetwork(const IPEndPoint& address) = 0;
// Same as Connect, but it can run asynchronously or synchronously. Returns a
// network error code.
// TODO(liza): Rename this to Connect once consumers have been updated.
virtual int ConnectAsync(const IPEndPoint& address,
CompletionOnceCallback callback) = 0;
// Same as ConnectUsingNetwork, but it can run asynchronously or
// synchronously. Returns a network error code.
// TODO(liza): Rename this to ConnectUsingNetwork once consumers have been
// updated.
virtual int ConnectUsingNetworkAsync(handles::NetworkHandle network,
const IPEndPoint& address,
CompletionOnceCallback callback) = 0;
// Same as ConnectUsConnectUsingDefaultNetworkingNetwork, but it can run
// asynchronously or synchronously. Returns a network error code.
// TODO(liza): Rename this to ConnectUsingDefaultNetwork once consumers have
// been updated.
virtual int ConnectUsingDefaultNetworkAsync(
const IPEndPoint& address,
CompletionOnceCallback callback) = 0;
// Returns the network that either ConnectUsingNetwork() or
// ConnectUsingDefaultNetwork() bound this socket to. Returns
// handles::kInvalidNetworkHandle if not explicitly bound via
// ConnectUsingNetwork() or ConnectUsingDefaultNetwork().
virtual handles::NetworkHandle GetBoundNetwork() const = 0;
// Apply |tag| to this socket.
virtual void ApplySocketTag(const SocketTag& tag) = 0;
// Enables experimental optimization for receiving data from a socket.
// By default, this method is no-op.
virtual void EnableRecvOptimization() {}
// Set interface to use for data sent to multicast groups. If
// |interface_index| set to 0, default interface is used.
// Must be called before Connect(), ConnectUsingNetwork() or
// ConnectUsingDefaultNetwork().
// Returns a network error code.
virtual int SetMulticastInterface(uint32_t interface_index) = 0;
// Set iOS Network Service Type for socket option SO_NET_SERVICE_TYPE.
// No-op by default.
virtual void SetIOSNetworkServiceType(int ios_network_service_type) {}
};
} // namespace net
#endif // NET_SOCKET_DATAGRAM_CLIENT_SOCKET_H_
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