| [5284] | 1 | /// ----------------------------------------*- mode: C++; -*--
|
|---|
| 2 | /// @file connectionmap.h
|
|---|
| 3 | /// maintains connection mapping of application addresses to sockets and vice versa
|
|---|
| 4 | /// ----------------------------------------------------------
|
|---|
| 5 | /// $Id: connectionmap.h 2549 2007-04-02 22:17:37Z bless $
|
|---|
| 6 | /// $HeadURL: https://svn.ipv6.tm.uka.de/nsis/protlib/trunk/include/connectionmap.h $
|
|---|
| 7 | // ===========================================================
|
|---|
| 8 | //
|
|---|
| 9 | // Copyright (C) 2005-2007, all rights reserved by
|
|---|
| 10 | // - Institute of Telematics, Universitaet Karlsruhe (TH)
|
|---|
| 11 | //
|
|---|
| 12 | // More information and contact:
|
|---|
| 13 | // https://projekte.tm.uka.de/trac/NSIS
|
|---|
| 14 | //
|
|---|
| 15 | // This program is free software; you can redistribute it and/or modify
|
|---|
| 16 | // it under the terms of the GNU General Public License as published by
|
|---|
| 17 | // the Free Software Foundation; version 2 of the License
|
|---|
| 18 | //
|
|---|
| 19 | // This program is distributed in the hope that it will be useful,
|
|---|
| 20 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 21 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 22 | // GNU General Public License for more details.
|
|---|
| 23 | //
|
|---|
| 24 | // You should have received a copy of the GNU General Public License along
|
|---|
| 25 | // with this program; if not, write to the Free Software Foundation, Inc.,
|
|---|
| 26 | // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|---|
| 27 | //
|
|---|
| 28 | // ===========================================================
|
|---|
| 29 | #ifndef CONNECTION_MAP_H
|
|---|
| 30 | #define CONNECTION_MAP_H
|
|---|
| 31 |
|
|---|
| 32 | #include "assocdata.h"
|
|---|
| 33 | #include <ext/hash_map>
|
|---|
| 34 |
|
|---|
| 35 | namespace protlib {
|
|---|
| 36 |
|
|---|
| 37 | /* @class ConnectionMap
|
|---|
| 38 | * maintains connection mapping of application addresses to sockets and vice versa
|
|---|
| 39 | * @ingroup network
|
|---|
| 40 | * @{
|
|---|
| 41 | */
|
|---|
| 42 | class ConnectionMap {
|
|---|
| 43 | public:
|
|---|
| 44 | // a constructor may be needed here in this class
|
|---|
| 45 | /// Insert a new AssocData element into the ConnectionMap
|
|---|
| 46 | bool insert(AssocData* assoc);
|
|---|
| 47 | /// Search for existing connections to this specific socket
|
|---|
| 48 | AssocData* lookup(socketfd_t socketfd) const;
|
|---|
| 49 | /// Search for existing connections to this specific assoc id
|
|---|
| 50 | AssocData* lookup(associd_t associd) const;
|
|---|
| 51 | ///Search for existing connections to this address
|
|---|
| 52 | AssocData* lookup(const appladdress& addr) const;
|
|---|
| 53 | /// Erase the AssocData-element associated with this socket
|
|---|
| 54 | bool erase(socketfd_t socketfd);
|
|---|
| 55 | /// Erase the AssocData-element associated with this socket
|
|---|
| 56 | bool erase(associd_t associd);
|
|---|
| 57 | /// Erase the AssocData-element
|
|---|
| 58 | bool erase(AssocData* assoc);
|
|---|
| 59 | /// clear all
|
|---|
| 60 | void clear();
|
|---|
| 61 | /// get number of records
|
|---|
| 62 | size_t get_size() const;
|
|---|
| 63 | private:
|
|---|
| 64 | // this hash_map uses the standard hashfunction on the first entry, int
|
|---|
| 65 |
|
|---|
| 66 | // only typedefs
|
|---|
| 67 | typedef hash_map<socketfd_t ,AssocData*> ass2data_t;
|
|---|
| 68 | typedef ass2data_t::const_iterator const_ass2data_it_t;
|
|---|
| 69 | typedef hash_map<appladdress,AssocData*> addr2data_t;
|
|---|
| 70 | typedef addr2data_t::const_iterator const_addr2data_it_t;
|
|---|
| 71 |
|
|---|
| 72 | // internal hashmaps
|
|---|
| 73 | ass2data_t ass2data; ///< map: socket fd to association data
|
|---|
| 74 | addr2data_t addr2data; ///< map: (application) address to association data
|
|---|
| 75 | public:
|
|---|
| 76 | /// connection map iterator
|
|---|
| 77 | typedef const_ass2data_it_t const_it_t;
|
|---|
| 78 | const_it_t begin() const;
|
|---|
| 79 | const_it_t end() const;
|
|---|
| 80 | }; // end class ConnectionMap
|
|---|
| 81 |
|
|---|
| 82 | inline
|
|---|
| 83 | size_t
|
|---|
| 84 | ConnectionMap::get_size() const { return ass2data.size(); }
|
|---|
| 85 |
|
|---|
| 86 | inline
|
|---|
| 87 | ConnectionMap::const_it_t ConnectionMap::begin() const {
|
|---|
| 88 | return ass2data.begin();
|
|---|
| 89 | } // end begin
|
|---|
| 90 |
|
|---|
| 91 | inline
|
|---|
| 92 | ConnectionMap::const_it_t ConnectionMap::end() const {
|
|---|
| 93 | return ass2data.end();
|
|---|
| 94 | } // end end
|
|---|
| 95 |
|
|---|
| 96 | inline
|
|---|
| 97 | bool
|
|---|
| 98 | ConnectionMap::erase(AssocData* assoc) {
|
|---|
| 99 | return assoc ? erase(assoc->socketfd) : false;
|
|---|
| 100 | } // end erase
|
|---|
| 101 |
|
|---|
| 102 | //@}
|
|---|
| 103 |
|
|---|
| 104 | } // end namespace protlib
|
|---|
| 105 | #endif
|
|---|
