source: source/ariba/utility/misc/Demultiplexer.hpp@ 2439

Last change on this file since 2439 was 2439, checked in by Christoph Mayer, 15 years ago

-NodeID Generierung bei UNSPECIFIED gefixt

File size: 4.5 KB
Line 
1// [Licence]
2// The Ariba-Underlay Copyright
3//
4// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
5//
6// Institute of Telematics
7// UniversitÀt Karlsruhe (TH)
8// Zirkel 2, 76128 Karlsruhe
9// Germany
10//
11// Redistribution and use in source and binary forms, with or without
12// modification, are permitted provided that the following conditions are
13// met:
14//
15// 1. Redistributions of source code must retain the above copyright
16// notice, this list of conditions and the following disclaimer.
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
20//
21// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
22// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
25// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
28// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
33// The views and conclusions contained in the software and documentation
34// are those of the authors and should not be interpreted as representing
35// official policies, either expressed or implied, of the Institute of
36// Telematics.
37// [Licence]
38
39#ifndef DEMULTIPLEXER_H__
40#define DEMULTIPLEXER_H__
41
42#include <list>
43#include <map>
44#include <boost/thread/mutex.hpp>
45#include <boost/foreach.hpp>
46#include "ariba/utility/messages/Message.h"
47
48using std::list;
49using std::map;
50using std::pair;
51using ariba::utility::Message;
52
53namespace ariba {
54namespace utility {
55
56template<typename S, typename T>
57class Demultiplexer
58{
59private:
60
61 typedef map<S,T> SERVICE_LISTENER_MAP;
62 typedef pair<S,T> SERVICE_LISTENER_PAIR;
63 typedef typename SERVICE_LISTENER_MAP::iterator SERVICE_LISTENER_MAP_ITERATOR;
64 typedef typename SERVICE_LISTENER_MAP::const_iterator SERVICE_LISTENER_MAP_CITERATOR;
65
66 typedef map<T,S> LISTENER_SERVICE_MAP;
67 typedef pair<T,S> LISTENER_SERVICE_PAIR;
68 typedef typename LISTENER_SERVICE_MAP::iterator LISTENER_SERVICE_MAP_ITERATOR;
69 typedef typename LISTENER_SERVICE_MAP::const_iterator LISTENER_SERVICE_MAP_CITERATOR;
70
71 SERVICE_LISTENER_MAP mapServiceListener;
72 LISTENER_SERVICE_MAP mapListenerService;
73 boost::mutex mapMutex;
74
75public:
76
77 Demultiplexer() {
78 }
79
80 ~Demultiplexer() {
81 }
82
83 void registerItem( S id, T listener ) {
84 boost::mutex::scoped_lock lock( mapMutex );
85 {
86 mapServiceListener.insert( SERVICE_LISTENER_PAIR( id, listener ) );
87 mapListenerService.insert( LISTENER_SERVICE_PAIR( listener, id ) );
88 }
89 }
90
91 void unregisterItem( S id) {
92 T listener = get( id );
93
94 boost::mutex::scoped_lock lock( mapMutex );
95 {
96 mapServiceListener.erase( id );
97 mapListenerService.erase( listener );
98 }
99 }
100
101 void unregisterItem( T listener ) {
102 S id = get (listener);
103 unregisterItem( id );
104 }
105
106 S get( T listener ) {
107 boost::mutex::scoped_lock lock( mapMutex );
108 {
109 LISTENER_SERVICE_MAP_CITERATOR it = mapListenerService.find( listener );
110 return it->second;
111 }
112 }
113
114 T get( S id ) {
115 boost::mutex::scoped_lock lock( mapMutex );
116 {
117 SERVICE_LISTENER_MAP_CITERATOR it = mapServiceListener.find( id );
118
119 if( it == mapServiceListener.end() ) return NULL;
120 else return it->second;
121 }
122 }
123
124 bool contains( T listener ) {
125 boost::mutex::scoped_lock lock( mapMutex );
126 {
127 LISTENER_SERVICE_MAP_CITERATOR it = mapListenerService.find( listener );
128 return ( it != mapListenerService.end() );
129 }
130 }
131
132 bool contains( S id ) {
133 boost::mutex::scoped_lock lock( mapMutex );
134 {
135 SERVICE_LISTENER_MAP_CITERATOR it = mapServiceListener.find( id );
136 return ( it != mapServiceListener.end() );
137 }
138 }
139
140 typedef list<S> OneList;
141 typedef list<T> TwoList;
142
143 OneList getOneList() const {
144 OneList ret;
145
146 BOOST_FOREACH( SERVICE_LISTENER_PAIR i, mapServiceListener ){
147 ret.push_back( i.first );
148 }
149
150 return ret;
151 }
152
153 TwoList getTwoList() const {
154 TwoList ret;
155
156 BOOST_FOREACH( SERVICE_LISTENER_PAIR i, mapServiceListener ){
157 ret.push_back( i.first );
158 }
159
160 return ret;
161 }
162
163};
164
165}} // namespace ariba, common
166
167#endif // DEMULTIPLEXER_H__
Note: See TracBrowser for help on using the repository browser.