Socket/Protocols: Move incorrectly placed members from AddressableBSDSocketProtocol...
[senf.git] / Socket / Protocols / BSDSocketProtocol.hh
1 // $Id$
2 //
3 // Copyright (C) 2006
4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 //     Stefan Bund <g0dil@berlios.de>
7 //
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
12 //
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 //
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
22
23 /** \file
24     \brief BSDSocketProtocol public header */
25
26 #ifndef HH_BSDSocketProtocol_
27 #define HH_BSDSocketProtocol_ 1
28
29 // Custom includes
30 #include "../../Socket/SocketProtocol.hh"
31 #include <boost/cstdint.hpp>
32
33 //#include "BSDSocketProtocol.mpp"
34 ///////////////////////////////hh.p////////////////////////////////////////
35
36 namespace senf {
37
38     /// \addtogroup protocol_facets_group
39     /// @{
40
41     /** \brief Protocol facet providing basic BSD socket functionality
42
43         BSDSocketProtocol provides the basic BSD socket API as shared by all BSD sockets.
44      */
45     class BSDSocketProtocol
46         : public virtual SocketProtocol
47     {
48     public:
49         std::pair<bool,unsigned> linger() const; ///< Return current linger status
50                                         /**< The value is returned in an std:pair. the first element
51                                              is \c true, if linger is active. The second value is
52                                              the linger timeout in seconds.
53                                              \returns linger state (enable disabled) and linger
54                                              timeout */
55         void linger(bool enable, unsigned timeout=0) const; ///< Change linger status
56                                         /**< If linger is enabled, the timeout value specifies, how
57                                              long to wait before returning while data is unsent in
58                                              seconds. If this value is 0, a close() might wait
59                                              forever.
60                                              \param[in] enable \c true to activate linger
61                                              \param[in] timeout linger timeout in seconds */
62        boost::uint8_t priority() const;  ///< Get packet priority assigned to outgoing packets
63                                         /**< This call will return the priority value assigned to
64                                              packets sent via this socket. Depending on the
65                                              protocol, this value may also be placed inside the
66                                              packet headers (for IPv4, this is the TOS value).
67                                              \returns current socket priority */
68         void priority(boost::uint8_t value) const; ///< Set packet priority (e.g. TOS)
69                                         /**< Changes the packet queueing priority. Additionally may
70                                              set protocol specific options. For IPv4 sockets, it
71                                              sets the TOS field.
72                                              \param[in] value new socket priority */
73
74         unsigned rcvbuf() const;        ///< Check receive buffer size
75                                         /**< \returns size of receive buffer in bytes 
76                                              \internal Linux doubles the buffer size internally when
77                                                  changing it to cater for additional space needed by
78                                                  the linux kernel. This call will therefore return
79                                                  only half the value reported by the kernel. */
80         void rcvbuf(unsigned size) const; ///< Change receive buffer size
81                                         /**< \param[in] size new receive buffer size */
82
83         unsigned sndbuf() const;        ///< Check send buffer size
84                                         /**< \returns size of send buffer in bytes 
85                                              \internal Linux doubles the buffer size internally when
86                                                  changing it to cater for additional space needed by
87                                                  the linux kernel. This call will therefore return
88                                                  only half the value reported by the kernel. */
89         void sndbuf(unsigned size) const; ///< Change size of send buffer
90                                         /**< \param[in] size new send buffer size */
91         
92      };
93
94     /** \brief Protocol facet providing basic connection oriented BSD socket functions
95
96         AddressableBSDSocketProtocol provides the BSD socket API as it generically applies to
97         addressable (connection oriented) sockets.
98      */
99     class AddressableBSDSocketProtocol
100         : public virtual SocketProtocol
101     {
102     public:
103         bool reuseaddr() const;         ///< Return current reuseaddr state
104                                         /**< \returns \c true if \c SO_REUSEADDR is currently
105                                              enabled, \c false otherwise*/
106         void reuseaddr(bool value) const; ///< Set reuseraddr state
107                                         /**< A \c true value enables \c SO_REUSEADDR, \c false will
108                                              disable it.
109                                              \param[in] value new \c SO_REUSEADDR state */
110     };
111
112     /// @}
113
114 }
115
116
117 ///////////////////////////////hh.e////////////////////////////////////////
118 //#include "BSDSocketProtocol.cci"
119 //#include "BSDSocketProtocol.ct"
120 //#include "BSDSocketProtocol.cti"
121 //#include "BSDSocketProtocol.mpp"
122 #endif
123
124 \f
125 // Local Variables:
126 // mode: c++
127 // fill-column: 100
128 // c-file-style: "senf"
129 // indent-tabs-mode: nil
130 // ispell-local-dictionary: "american"
131 // compile-command: "scons -u test"
132 // comment-column: 40
133 // End: