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source: source/ariba/AribaModule.h@ 9652

Last change on this file since 9652 was 7535, checked in by Christoph Mayer, 15 years ago

-missing doxygen in interface
File size: 7.6 KB
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1// [License]
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// [License]
38
39#ifndef ARIBAMODULE_H_
40#define ARIBAMODULE_H_
41
42#include <string>
43#include <vector>
44#include <ctime>
45#include <cstdlib>
46#include <algorithm>
47
48using std::vector;
49using std::string;
50
51// forward declaration
52namespace ariba {
53 class AribaModule;
54 class SideportListener;
55}
56
57// local includes
58#include "Name.h"
59#include "Module.h"
60
61namespace ariba {
62
63// forward declaration
64namespace communication {
65 class EndpointDescriptor;
66 class BaseCommunication;
67}
68
69/**
70 * This class implements a container class for ariba base services. Each node
71 * is a running using this base-module. It also manages Bootstrap information
72 * in a abstract simple way.
73 *
74 * +---+ +---+
75 * |N1 | |N2 |
76 * +--| |---| |--+
77 * | +---+ +---+ |
78 * | |
79 * | AribaModule |
80 * +-----------------+
81 *
82 * N1, N2 are nodes.
83 *
84 * @author Sebastian Mies <mies@tm.uka.de>
85 * @author Christoph Mayer <mayer@tm.uka.de>
86 */
87class AribaModule: public Module {
88 friend class Node;
89 use_logging_h(AribaModule);
90public:
91 /**
92 * Constructor of the ariba underlay module
93 */
94 AribaModule();
95
96 /**
97 * Destructor of the ariba underlay module
98 */
99 virtual ~AribaModule();
100
101 /**
102 * Returns all known bootstrap endpoints to this ariba module in
103 * a human-readable string. This information can be used by other
104 * nodes for bootstraping. It may also be used to publish this info
105 * to other nodes via the web, for example.
106 *
107 * @param The name of the spovnet
108 * @return A human-readable string containing all known bootstrap
109 * information known to this module.
110 */
111 string getBootstrapHints(const Name& spoVNetName = Name::UNSPECIFIED) const;
112
113 /**
114 * Adds bootstrap hints to the local database. The format of the string
115 * must is the same as returned by <code>getBootstrapInfo</code>.
116 *
117 * @param bootinfo A string containing bootstrap information.
118 */
119 void addBootstrapHints(string bootinfo);
120
121 /**
122 * Register a sideport for sniffing on communication events
123 * and get advanced information. The sniffer is attached to
124 * every node that is created on the module. Only one such
125 * sniffer can be active system-wide, a new call to this
126 * register function will only attach the sniffer to nodes
127 * created after the registration call.
128 *
129 * @param sideport The SideportListener to integrate
130 */
131 void registerSideportListener(SideportListener* sideport);
132
133 // --- module implementation ---
134
135 /**
136 * Module Property information:
137 *
138 * ip.addr = preferred ip address (otherwise bind to all)
139 * tcp.port = preferred tcp port (or use default value)
140 * udp.port = preferred udp port (or use default value)
141 * bootstrap.hints = used bootstrap hints
142 * bootstrap.file = used file for bootstrap information
143 */
144 void initialize(); ///< @see Module.h
145 void start(); ///< @see Module.h
146 void stop(); ///< @see Module.h
147 string getName() const; ///< @see Module.h
148 void setProperty(string key, string value); ///< @see Module.h
149 const string getProperty(string key) const; ///< @see Module.h
150 const vector<string> getProperties() const; ///< @see Module.h
151
152 /**
153 * Get the local endpoint information
154 */
155 const string getLocalEndpoints();
156
157private:
158
159 /**
160 * Available bootstrap mechanisms
161 */
162 enum BootstrapMechanism {
163 BootstrapMechanismInvalid = 0,
164 BootstrapMechanismStatic = 1,
165 BootstrapMechanismBroadcast = 2,
166 BootstrapMechanismMulticastDNS = 3,
167 BootstrapMechanismSDP = 4,
168 };
169 static const string BootstrapMechanismNames[5];
170
171 /**
172 * bootstrap node information
173 */
174 class BootstrapNode {
175 public:
176 inline BootstrapNode() :
177 timestamp(0), desc(NULL), mechanism(BootstrapMechanismInvalid), info("") {
178
179 }
180 inline BootstrapNode(const BootstrapNode& copy) :
181 timestamp(copy.timestamp), desc(copy.desc), mechanism(copy.mechanism), info(copy.info) {
182 }
183 inline BootstrapNode(
184 uint32_t timestamp,
185 communication::EndpointDescriptor* desc,
186 BootstrapMechanism mechanism, string info) :
187 timestamp(timestamp), desc(desc), mechanism(mechanism), info(info) {
188 }
189 uint32_t timestamp;
190 communication::EndpointDescriptor* desc;
191 BootstrapMechanism mechanism;
192 string info;
193 };
194
195 /*
196 * bootstrap info, all bootstrap nodes
197 * for a specific spovnet
198 */
199 class BootstrapInfo {
200 public:
201 BootstrapInfo() :
202 spovnetName(), nodes() {
203 }
204
205 BootstrapInfo(const BootstrapInfo& copy) :
206 spovnetName(copy.spovnetName), nodes(copy.nodes) {
207 }
208
209 Name spovnetName;
210 vector<BootstrapNode> nodes;
211 };
212
213 vector<BootstrapInfo> bootstrapNodes; //< all available bootstrap information
214
215protected:
216 // members
217 string endpoints; //< local endpoints the ariba module is bound to
218 bool started; //< flag, if module has been started
219
220 /**
221 * bootstrap node management
222 * add a bootstrap node
223 */
224 void addBootstrapNode(
225 const Name& spovnet,
226 communication::EndpointDescriptor* desc,
227 const string& info,
228 const BootstrapMechanism& mechanism
229 );
230
231 /**
232 * bootstrap node management
233 * add a bootstrap node
234 */
235 void addBootstrapNode(
236 const Name& spovnet,
237 const BootstrapNode& node
238 );
239
240 /**
241 * bootstrap node management
242 * get all available bootstrap mechanisms
243 * where bootstrap nodes are available for
244 */
245 vector<AribaModule::BootstrapMechanism> getBootstrapMechanisms(
246 const Name& spovnet
247 ) const;
248
249 /**
250 * get a endpoint descriptor for a spovnet
251 * using a specific bootstrap mechanisms.
252 * will currently only work with static
253 */
254 const communication::EndpointDescriptor* getBootstrapNode(
255 const Name& spovnet,
256 const BootstrapMechanism mechanism
257 ) const;
258
259 /**
260 * get the info field associated for a given
261 * spovnet through a given mechanism
262 */
263 string getBootstrapInfo(
264 const Name& spovnet,
265 const BootstrapMechanism mechanism
266 ) const;
267
268 communication::BaseCommunication* base_comm; //< the base communication
269 SideportListener* sideport_sniffer; //< the sideport listener
270};
271
272} // namespace ariba
273
274#endif /* ENVIRONMENT_H_ */
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