/usr/include/Poco/Net/MulticastSocket.h is in libpoco-dev 1.3.6p1-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | //
// MulticastSocket.h
//
// $Id: //poco/1.3/Net/include/Poco/Net/MulticastSocket.h#2 $
//
// Library: Net
// Package: Sockets
// Module: MulticastSocket
//
// Definition of the MulticastSocket class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Net_MulticastSocket_INCLUDED
#define Net_MulticastSocket_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/Net/DatagramSocket.h"
#include "Poco/Net/NetworkInterface.h"
namespace Poco {
namespace Net {
class Net_API MulticastSocket: public DatagramSocket
/// A MulticastSocket is a special DatagramSocket
/// that can be used to send packets to and receive
/// packets from multicast groups.
{
public:
MulticastSocket();
/// Creates the MulticastSocket.
explicit MulticastSocket(IPAddress::Family family);
/// Creates an unconnected datagram socket.
///
/// The socket will be created for the
/// given address family.
MulticastSocket(const SocketAddress& address, bool reuseAddress = false);
/// Creates a datagram socket and binds it
/// to the given address.
///
/// Depending on the address family, the socket
/// will be either an IPv4 or an IPv6 socket.
MulticastSocket(const Socket& socket);
/// Creates the DatagramSocket with the SocketImpl
/// from another socket. The SocketImpl must be
/// a DatagramSocketImpl, otherwise an InvalidArgumentException
/// will be thrown.
~MulticastSocket();
/// Destroys the DatagramSocket.
MulticastSocket& operator = (const Socket& socket);
/// Assignment operator.
///
/// Releases the socket's SocketImpl and
/// attaches the SocketImpl from the other socket and
/// increments the reference count of the SocketImpl.
void setInterface(const NetworkInterface& interface);
/// Sets the interface used for sending multicast packets.
///
/// To select the default interface, specify an empty
/// interface.
///
/// This is done by setting the IP_MULTICAST_IF/IPV6_MULTICAST_IF
/// socket option.
NetworkInterface getInterface() const;
/// Returns the interface used for sending multicast packets.
void setLoopback(bool flag);
/// Enable or disable loopback for multicast packets.
///
/// Sets the value of the IP_MULTICAST_LOOP/IPV6_MULTICAST_LOOP
/// socket option.
bool getLoopback() const;
/// Returns true iff loopback for multicast packets is enabled,
/// false otherwise.
void setTimeToLive(unsigned value);
/// Specifies the TTL/hop limit for outgoing packets.
///
/// Sets the value of the IP_MULTICAST_TTL/IPV6_MULTICAST_HOPS
/// socket option.
unsigned getTimeToLive() const;
/// Returns the TTL/hop limit for outgoing packets.
void joinGroup(const IPAddress& groupAddress);
/// Joins the specified multicast group at the default interface.
void joinGroup(const IPAddress& groupAddress, const NetworkInterface& interface);
/// Joins the specified multicast group at the given interface.
void leaveGroup(const IPAddress& groupAddress);
/// Leaves the specified multicast group at the default interface.
void leaveGroup(const IPAddress& groupAddress, const NetworkInterface& interface);
/// Leaves the specified multicast group at the given interface.
};
} } // namespace Poco::Net
#endif // Net_MulticastSocket_INCLUDED
|