source: trash/old-modules/transport/protlib/connectionmap_uds.h@ 5777

Last change on this file since 5777 was 5641, checked in by Christoph Mayer, 15 years ago
File size: 3.6 KB
Line 
1/// ----------------------------------------*- mode: C++; -*--
2/// @file connectionmap_uds.h
3/// maintains connection mapping of application addresses to
4/// UNIX domain sockets and vice versa
5/// ----------------------------------------------------------
6/// $Id: connectionmap_uds.h 2549 2007-04-02 22:17:37Z bless $
7/// $HeadURL: https://svn.ipv6.tm.uka.de/nsis/protlib/trunk/include/connectionmap_uds.h $
8// ===========================================================
9//
10// Copyright (C) 2005-2007, all rights reserved by
11// - Institute of Telematics, Universitaet Karlsruhe (TH)
12//
13// More information and contact:
14// https://projekte.tm.uka.de/trac/NSIS
15//
16// This program is free software; you can redistribute it and/or modify
17// it under the terms of the GNU General Public License as published by
18// the Free Software Foundation; version 2 of the License
19//
20// This program is distributed in the hope that it will be useful,
21// but WITHOUT ANY WARRANTY; without even the implied warranty of
22// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23// GNU General Public License for more details.
24//
25// You should have received a copy of the GNU General Public License along
26// with this program; if not, write to the Free Software Foundation, Inc.,
27// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28//
29// ===========================================================
30#ifndef CONNECTION_MAP_UDS_H
31#define CONNECTION_MAP_UDS_H
32
33#include "assocdata_uds.h"
34#include <ext/hash_map>
35
36namespace protlib {
37
38/* @class ConnectionMap
39 * maintains connection mapping of application addresses to sockets and vice versa
40 * @ingroup network
41 * @{
42 */
43class ConnectionMapUDS {
44 public:
45 // a constructor may be needed here in this class
46 /// Insert a new AssocDataUDS element into the ConnectionMapUDS
47 bool insert(AssocDataUDS* assoc);
48 /// Search for existing connections to this specific socket
49 AssocDataUDS* lookup(socketfd_t socketfd) const;
50 /// Search for existing connections to this specific assoc id
51 AssocDataUDS* lookup(associd_t associd) const;
52 ///Search for existing connections to this address
53 AssocDataUDS* lookup(const udsaddress& addr) const;
54 /// Erase the AssocDataUDS-element associated with this socket
55 bool erase(socketfd_t socketfd);
56 /// Erase the AssocDataUDS-element associated with this socket
57 bool erase(associd_t associd);
58 /// Erase the AssocDataUDS-element
59 bool erase(AssocDataUDS* assoc);
60 /// clear all
61 void clear();
62 /// get number of records
63 size_t get_size() const;
64 private:
65 // this hash_map uses the standard hashfunction on the first entry, int
66
67 // only typedefs
68 typedef hash_map<socketfd_t ,AssocDataUDS*> ass2data_t;
69 typedef ass2data_t::const_iterator const_ass2data_it_t;
70 typedef hash_map<udsaddress,AssocDataUDS*> addr2data_t;
71 typedef addr2data_t::const_iterator const_addr2data_it_t;
72
73 // internal hashmaps
74 ass2data_t ass2data; ///< map: socket fd to association data
75 addr2data_t addr2data; ///< map: (application) address to association data
76 public:
77 /// connection map iterator
78 typedef const_ass2data_it_t const_it_t;
79 const_it_t begin() const;
80 const_it_t end() const;
81}; // end class ConnectionMapUDS
82
83inline
84size_t
85ConnectionMapUDS::get_size() const { return ass2data.size(); }
86
87inline
88ConnectionMapUDS::const_it_t ConnectionMapUDS::begin() const {
89 return ass2data.begin();
90} // end begin
91
92inline
93ConnectionMapUDS::const_it_t ConnectionMapUDS::end() const {
94 return ass2data.end();
95} // end end
96
97inline
98bool
99ConnectionMapUDS::erase(AssocDataUDS* assoc) {
100 return assoc ? erase(assoc->socketfd) : false;
101} // end erase
102
103//@}
104
105} // end namespace protlib
106#endif
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