source: source/ariba/AribaModule.cpp@ 7533

Last change on this file since 7533 was 7532, checked in by Christoph Mayer, 14 years ago

-von außen konfigurierbare bootstrap module, -periodicbroadcast crash fix
File size: 8.5 KB
Line 
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#include "AribaModule.h"
40
41// boost/std includes
42#include <assert.h>
43#include <boost/regex.hpp>
44#include <boost/foreach.hpp>
45#include <boost/algorithm/string.hpp>
46
47// ariba includes
48#include "ariba/SideportListener.h"
49#include "ariba/utility/misc/Helper.h"
50#include "ariba/utility/misc/StringFormat.h"
51#include "ariba/communication/BaseCommunication.h"
52#include "ariba/communication/EndpointDescriptor.h"
53
54using namespace ariba::utility::Helper;
55using ariba::communication::BaseCommunication;
56using ariba::communication::EndpointDescriptor;
57
58namespace ariba {
59
60use_logging_cpp(AribaModule);
61const string AribaModule::BootstrapMechanismNames[5] = {"invalid", "static", "broadcast", "mdns", "sdp"};
62
63AribaModule::AribaModule()
64 : started(false), base_comm(NULL), sideport_sniffer(NULL) {
65 endpoints = "tcp{41322};rfcomm{10};";
66}
67
68AribaModule::~AribaModule() {
69}
70
71string AribaModule::getBootstrapHints(const Name& spoVNetName) const {
72 std::ostringstream o;
73 int i=0;
74 BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
75 o << info.spovnetName.toString() << "{";
76 if (i!=0) o << ",";
77
78 BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
79 if( node.desc != NULL )
80 o << node.desc->toString();
81 else if(node.mechanism == BootstrapMechanismBroadcast
82 || node.mechanism == BootstrapMechanismMulticastDNS
83 || node.mechanism == BootstrapMechanismSDP){
84 o << BootstrapMechanismNames[node.mechanism];
85 if( !node.info.empty() ) o << "{" << node.info << "}";
86 o << ";";
87 }
88 }
89 o << "}";
90 i++;
91 }
92 return o.str();
93}
94
95void AribaModule::addBootstrapHints(string boot_info) {
96 using namespace boost::xpressive;
97 using namespace ariba::utility::string_format;
98 using namespace ariba::utility::Helper;
99 using namespace std;
100
101 boost::erase_all(boot_info, " ");
102 boost::erase_all(boot_info, "\t");
103 boost::erase_all(boot_info, "\n");
104 boost::erase_all(boot_info, "\r");
105
106 smatch match;
107 if (regex_search(boot_info, match, robjects)) {
108 regex_nav nav = match;
109 for (int i = 0; i < nav.size(); i++) {
110 string type = nav[i][robject_id].str();
111 string data = nav[i][robject_data].str();
112 data = data.substr(1, data.size() - 2);
113 Name name(type);
114
115 // find static bootstrap info --> BootstrapMechanismStatic
116 EndpointDescriptor* desc = EndpointDescriptor::fromString(data);
117 addBootstrapNode(name, desc, "", BootstrapMechanismStatic);
118
119 // find automatic bootstrap info --> {BootstrapMechanismBroadcast,
120 // BootstrapMechanismMulticastDNS,BootstrapMechanismSDP}
121 typedef vector< string > split_vector_type;
122 split_vector_type splitvec;
123 boost::split( splitvec, data, boost::is_any_of(";") );
124 for(unsigned int i=0; i<splitvec.size(); i++){
125 string x = splitvec[i];
126 split_vector_type innervec;
127
128 boost::split( innervec, x, boost::is_any_of("{}") );
129 BootstrapNode node;
130 if(innervec.size() < 1) continue;
131
132 if(innervec[0] == BootstrapMechanismNames[BootstrapMechanismBroadcast])
133 node.mechanism = BootstrapMechanismBroadcast;
134 else if(innervec[0] == BootstrapMechanismNames[BootstrapMechanismMulticastDNS])
135 node.mechanism = BootstrapMechanismMulticastDNS;
136 else if(innervec[0] == BootstrapMechanismNames[BootstrapMechanismSDP])
137 node.mechanism = BootstrapMechanismSDP;
138 else
139 continue;
140
141 if(innervec.size() > 1)
142 node.info = innervec[1];
143
144 this->addBootstrapNode(name, node);
145 }
146 }
147 }
148
149 logging_info( "Added bootstrap hints: " << getBootstrapHints() );
150}
151
152void AribaModule::addBootstrapNode(const Name& spovnet,
153 communication::EndpointDescriptor* desc, const string& info,
154 const BootstrapMechanism& mechanism) {
155 BootstrapNode node(0, desc, mechanism, info);
156 addBootstrapNode(spovnet, node);
157}
158
159void AribaModule::addBootstrapNode(const Name& spovnet, const BootstrapNode& node){
160 bool added = false;
161
162 // add node to existing bootstrap list
163 BOOST_FOREACH( BootstrapInfo& info, bootstrapNodes ){
164 if (info.spovnetName == spovnet) {
165 info.nodes.push_back(node);
166 added = true;
167 break;
168 }
169 }
170
171 // create new entry
172 if (!added) {
173 BootstrapInfo info;
174 info.spovnetName = spovnet;
175 info.nodes.push_back(node);
176 bootstrapNodes.push_back(info);
177 }
178}
179
180const communication::EndpointDescriptor* AribaModule::getBootstrapNode(
181 const Name& spovnet, const BootstrapMechanism mechanism) const {
182 BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
183 if( info.spovnetName == spovnet ) {
184 BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
185 if( node.mechanism == mechanism && node.desc != NULL )
186 return node.desc;
187 }
188 }
189 }
190 return NULL;
191}
192
193string AribaModule::getBootstrapInfo(
194 const Name& spovnet, const BootstrapMechanism mechanism) const {
195 BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
196 if( info.spovnetName == spovnet ) {
197 BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
198 if( node.mechanism == mechanism && node.desc != NULL )
199 return node.info;
200 }
201 }
202 }
203
204 return string();
205}
206
207vector<AribaModule::BootstrapMechanism> AribaModule::getBootstrapMechanisms(
208 const Name& spovnet) const {
209 vector<AribaModule::BootstrapMechanism> ret;
210 BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
211 if( info.spovnetName == spovnet ) {
212 BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
213 if(std::find(ret.begin(), ret.end(), node.mechanism) == ret.end())
214 ret.push_back(node.mechanism);
215 }
216 }
217 }
218 return ret;
219}
220
221void AribaModule::registerSideportListener(SideportListener* sideport){
222 sideport_sniffer = sideport;
223}
224
225// @see Module.h
226void AribaModule::initialize() {
227
228 // preconditions
229 assert(!started);
230
231 // init variables
232 base_comm = NULL;
233}
234
235// @see Module.h
236void AribaModule::start() {
237
238 // preconditions
239 assert(base_comm == NULL);
240 assert(!started);
241
242 // create the base communication component
243 started = true;
244 base_comm = new BaseCommunication();
245 base_comm->setEndpoints(endpoints);
246}
247
248// @see Module.h
249void AribaModule::stop() {
250
251 // preconditions
252 assert(base_comm != NULL);
253 assert(started);
254
255 // delete base communication component
256 started = false;
257 delete base_comm;
258}
259
260// @see Module.h
261string AribaModule::getName() const {
262 return "ariba";
263}
264
265// @see Module.h
266void AribaModule::setProperty(string key, string value) {
267 if (key == "endpoints") endpoints = value;
268 else if (key == "bootstrap.hints") addBootstrapHints(value);
269}
270
271// @see Module.h
272const string AribaModule::getProperty(string key) const {
273 if (key == "endpoints") return endpoints; // TODO: return local endpoints
274 else if (key == "bootstrap.hints") return getBootstrapHints();
275 return "";
276}
277
278// @see Module.h
279const vector<string> AribaModule::getProperties() const {
280 vector<string> properties;
281 properties.push_back("endpoints");
282 properties.push_back("bootstrap.hints");
283 return properties;
284}
285
286const string AribaModule::getLocalEndpoints() {
287 return base_comm->getEndpointDescriptor().toString();
288}
289
290} // namespace ariba
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