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
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* -*- C++ -*-
* Copyright (C) 2003 Thiago Macieira <thiago.macieira@kdemail.net>
*
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* 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 AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef KMULTICASTSOCKETDEVICE_H
#define KMULTICASTSOCKETDEVICE_H
#include "tdesocketdevice.h"
#include "knetworkinterface.h"
#include "tdesocketaddress.h"
namespace KNetwork {
class KMulticastSocketImplPrivate;
/**
* @class KMulticastSocketImpl kmulticastsocketdevice.h kmulticastsocketdevice.h
* @brief The low-level backend for multicasting sockets.
*
* This class is an interface providing methods for handling multicast
* operations.
*
* @author Thiago Macieira <thiago.macieira@kdemail.net>
*/
class KMulticastSocketImpl: public TDESocketDevice
{
public:
/**
* Constructor.
*/
KMulticastSocketImpl(const TDESocketBase* = 0L);
/**
* Destructor
*/
virtual ~KMulticastSocketImpl();
/**
* Sets our capabilities.
*/
virtual int capabilities() const;
/**
* Overrides the socket creation.
*/
virtual bool create(int family, int type, int protocol);
/**
* Overrides connection. Multicast sockets may not connect.
*/
virtual bool connect(const KResolverEntry& address);
/**
* Retrieves the time-to-live/hop count value on multicast packets being sent.
*/
virtual int timeToLive() const;
/**
* Sets the time-to-live/hop count for outgoing multicast packets.
*
* @param ttl the hop count, from 0 to 255
* @returns true if setting the value was successful.
*/
virtual bool setTimeToLive(int ttl);
/**
* Retrieves the flag indicating if sent packets will be echoed back
* to sender.
*/
virtual bool multicastLoop() const;
/**
* Sets the flag indicating the loopback of packets to the sender.
*
* @param enable if true, will echo back
* @returns true if setting the value was successful.
*/
virtual bool setMulticastLoop(bool enable);
/**
* Retrieves the network interface this socket is associated to.
*/
virtual KNetworkInterface networkInterface();
/**
* Sets the network interface on which this socket should work.
*
* @param iface the interface to associate with
* @return true if setting the value was successful.
*/
virtual bool setNetworkInterface(const KNetworkInterface& iface);
/**
* Joins a multicast group. The group to be joined is identified by the
* @p group parameter.
*
* @param group the multicast group to join
* @returns true on success
*/
virtual bool joinGroup(const TDESocketAddress& group);
/**
* @overload
* Joins a multicast group. This function also specifies the network interface
* to be used.
*/
virtual bool joinGroup(const TDESocketAddress& group,
const KNetworkInterface& iface);
/**
* Leaves a multicast group. The group being left is given by its address in the
* @p group parameter.
*
* @param group the group to leave
* @returns true on successful leaving the group
*/
virtual bool leaveGroup(const TDESocketAddress& group);
/**
* @overload
* Leaves a multicast group.
*/
virtual bool leaveGroup(const TDESocketAddress& group,
const KNetworkInterface& iface);
private:
KMulticastSocketImplPrivate *d;
};
} // namespace KNetwork
#endif
|
