1 | // [License]
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2 | // The Ariba-Underlay Copyright
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3 | //
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4 | // Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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5 | //
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6 | // Institute of Telematics
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7 | // UniversitÀt Karlsruhe (TH)
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8 | // Zirkel 2, 76128 Karlsruhe
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9 | // Germany
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10 | //
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11 | // Redistribution and use in source and binary forms, with or without
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12 | // modification, are permitted provided that the following conditions are
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13 | // met:
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14 | //
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15 | // 1. Redistributions of source code must retain the above copyright
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16 | // notice, this list of conditions and the following disclaimer.
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17 | // 2. Redistributions in binary form must reproduce the above copyright
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18 | // notice, this list of conditions and the following disclaimer in the
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19 | // documentation and/or other materials provided with the distribution.
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20 | //
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21 | // THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND
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22 | // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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24 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR
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25 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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26 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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27 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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28 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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29 | // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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30 | // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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31 | // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 | //
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33 | // The views and conclusions contained in the software and documentation
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34 | // are those of the authors and should not be interpreted as representing
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35 | // official policies, either expressed or implied, of the Institute of
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36 | // Telematics.
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37 | // [License]
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38 |
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39 | #include "AribaModule.h"
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40 |
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41 | // boost/std includes
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42 | #include <assert.h>
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43 | #include <boost/regex.hpp>
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44 | #include <boost/foreach.hpp>
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45 | #include <boost/algorithm/string.hpp>
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46 |
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47 | // ariba includes
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48 | #include "ariba/SideportListener.h"
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49 | #include "ariba/utility/misc/Helper.h"
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50 | #include "ariba/utility/misc/StringFormat.h"
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51 | #include "ariba/communication/BaseCommunication.h"
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52 | #include "ariba/communication/EndpointDescriptor.h"
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53 |
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54 | using namespace ariba::utility::Helper;
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55 | using ariba::communication::BaseCommunication;
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56 | using ariba::communication::EndpointDescriptor;
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57 |
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58 | namespace ariba {
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59 |
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60 | use_logging_cpp(AribaModule);
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61 | const string AribaModule::BootstrapMechanismNames[5] = {"invalid", "static", "broadcast", "mdns", "sdp"};
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62 |
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63 | AribaModule::AribaModule()
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64 | : started(false), base_comm(NULL), sideport_sniffer(NULL) {
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65 | endpoints = "tcp{41322};rfcomm{10};";
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66 | }
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67 |
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68 | AribaModule::~AribaModule() {
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69 | }
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70 |
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71 | string AribaModule::getBootstrapHints(const Name& spoVNetName) const {
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72 | std::ostringstream o;
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73 | int i=0;
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74 | BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
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75 | o << info.spovnetName.toString() << "{";
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76 | if (i!=0) o << ",";
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77 |
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78 | BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
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79 | if( node.desc != NULL )
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80 | o << node.desc->toString();
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81 | else if(node.mechanism == BootstrapMechanismBroadcast
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82 | || node.mechanism == BootstrapMechanismMulticastDNS
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83 | || node.mechanism == BootstrapMechanismSDP){
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84 | o << BootstrapMechanismNames[node.mechanism];
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85 | if( !node.info.empty() ) o << "{" << node.info << "}";
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86 | o << ";";
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87 | }
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88 | }
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89 | o << "}";
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90 | i++;
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91 | }
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92 | return o.str();
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93 | }
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94 |
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95 | void AribaModule::addBootstrapHints(string boot_info) {
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96 | using namespace boost::xpressive;
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97 | using namespace ariba::utility::string_format;
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98 | using namespace ariba::utility::Helper;
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99 | using namespace std;
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100 |
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101 | boost::erase_all(boot_info, " ");
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102 | boost::erase_all(boot_info, "\t");
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103 | boost::erase_all(boot_info, "\n");
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104 | boost::erase_all(boot_info, "\r");
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105 |
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106 | smatch match;
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107 | if (regex_search(boot_info, match, robjects)) {
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108 | regex_nav nav = match;
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109 | for (int i = 0; i < nav.size(); i++) {
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110 | string type = nav[i][robject_id].str();
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111 | string data = nav[i][robject_data].str();
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112 | data = data.substr(1, data.size() - 2);
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113 | Name name(type);
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114 |
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115 | // find static bootstrap info --> BootstrapMechanismStatic
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116 | EndpointDescriptor* desc = EndpointDescriptor::fromString(data);
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117 | addBootstrapNode(name, desc, "", BootstrapMechanismStatic);
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118 |
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119 | // find automatic bootstrap info --> {BootstrapMechanismBroadcast,
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120 | // BootstrapMechanismMulticastDNS,BootstrapMechanismSDP}
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121 | typedef vector< string > split_vector_type;
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122 | split_vector_type splitvec;
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123 | boost::split( splitvec, data, boost::is_any_of(";") );
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124 | for(unsigned int i=0; i<splitvec.size(); i++){
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125 | string x = splitvec[i];
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126 | split_vector_type innervec;
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127 |
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128 | boost::split( innervec, x, boost::is_any_of("{}") );
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129 | BootstrapNode node;
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130 | if(innervec.size() < 1) continue;
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131 |
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132 | if(innervec[0] == BootstrapMechanismNames[BootstrapMechanismBroadcast])
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133 | node.mechanism = BootstrapMechanismBroadcast;
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134 | else if(innervec[0] == BootstrapMechanismNames[BootstrapMechanismMulticastDNS])
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135 | node.mechanism = BootstrapMechanismMulticastDNS;
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136 | else if(innervec[0] == BootstrapMechanismNames[BootstrapMechanismSDP])
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137 | node.mechanism = BootstrapMechanismSDP;
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138 | else
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139 | continue;
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140 |
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141 | if(innervec.size() > 1)
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142 | node.info = innervec[1];
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143 |
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144 | this->addBootstrapNode(name, node);
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145 | }
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146 | }
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147 | }
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148 |
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149 | logging_info( "Added bootstrap hints: " << getBootstrapHints() );
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150 | }
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151 |
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152 | void AribaModule::addBootstrapNode(const Name& spovnet,
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153 | communication::EndpointDescriptor* desc, const string& info,
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154 | const BootstrapMechanism& mechanism) {
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155 | BootstrapNode node(0, desc, mechanism, info);
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156 | addBootstrapNode(spovnet, node);
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157 | }
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158 |
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159 | void AribaModule::addBootstrapNode(const Name& spovnet, const BootstrapNode& node){
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160 | bool added = false;
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161 |
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162 | // add node to existing bootstrap list
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163 | BOOST_FOREACH( BootstrapInfo& info, bootstrapNodes ){
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164 | if (info.spovnetName == spovnet) {
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165 | info.nodes.push_back(node);
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166 | added = true;
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167 | break;
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168 | }
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169 | }
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170 |
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171 | // create new entry
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172 | if (!added) {
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173 | BootstrapInfo info;
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174 | info.spovnetName = spovnet;
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175 | info.nodes.push_back(node);
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176 | bootstrapNodes.push_back(info);
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177 | }
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178 | }
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179 |
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180 | const communication::EndpointDescriptor* AribaModule::getBootstrapNode(
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181 | const Name& spovnet, const BootstrapMechanism mechanism) const {
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182 | BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
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183 | if( info.spovnetName == spovnet ) {
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184 | BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
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185 | if( node.mechanism == mechanism && node.desc != NULL )
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186 | return node.desc;
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187 | }
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188 | }
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189 | }
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190 | return NULL;
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191 | }
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192 |
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193 | string AribaModule::getBootstrapInfo(
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194 | const Name& spovnet, const BootstrapMechanism mechanism) const {
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195 | BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
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196 | if( info.spovnetName == spovnet ) {
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197 | BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
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198 | if( node.mechanism == mechanism && node.desc != NULL )
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199 | return node.info;
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200 | }
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201 | }
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202 | }
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203 |
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204 | return string();
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205 | }
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206 |
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207 | vector<AribaModule::BootstrapMechanism> AribaModule::getBootstrapMechanisms(
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208 | const Name& spovnet) const {
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209 | vector<AribaModule::BootstrapMechanism> ret;
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210 | BOOST_FOREACH( const BootstrapInfo& info, bootstrapNodes ) {
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211 | if( info.spovnetName == spovnet ) {
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212 | BOOST_FOREACH( const BootstrapNode& node, info.nodes ) {
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213 | if(std::find(ret.begin(), ret.end(), node.mechanism) == ret.end())
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214 | ret.push_back(node.mechanism);
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215 | }
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216 | }
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217 | }
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218 | return ret;
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219 | }
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220 |
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221 | void AribaModule::registerSideportListener(SideportListener* sideport){
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222 | sideport_sniffer = sideport;
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223 | }
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224 |
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225 | // @see Module.h
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226 | void AribaModule::initialize() {
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227 |
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228 | // preconditions
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229 | assert(!started);
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230 |
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231 | // init variables
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232 | base_comm = NULL;
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233 | }
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234 |
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235 | // @see Module.h
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236 | void AribaModule::start() {
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237 |
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238 | // preconditions
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239 | assert(base_comm == NULL);
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240 | assert(!started);
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241 |
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242 | // create the base communication component
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243 | started = true;
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244 | base_comm = new BaseCommunication();
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245 | base_comm->setEndpoints(endpoints);
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246 | }
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247 |
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248 | // @see Module.h
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249 | void AribaModule::stop() {
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250 |
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251 | // preconditions
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252 | assert(base_comm != NULL);
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253 | assert(started);
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254 |
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255 | // delete base communication component
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256 | started = false;
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257 | delete base_comm;
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258 | }
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259 |
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260 | // @see Module.h
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261 | string AribaModule::getName() const {
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262 | return "ariba";
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263 | }
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264 |
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265 | // @see Module.h
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266 | void AribaModule::setProperty(string key, string value) {
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267 | if (key == "endpoints") endpoints = value;
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268 | else if (key == "bootstrap.hints") addBootstrapHints(value);
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269 | }
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270 |
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271 | // @see Module.h
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272 | const string AribaModule::getProperty(string key) const {
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273 | if (key == "endpoints") return endpoints; // TODO: return local endpoints
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274 | else if (key == "bootstrap.hints") return getBootstrapHints();
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275 | return "";
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276 | }
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277 |
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278 | // @see Module.h
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279 | const vector<string> AribaModule::getProperties() const {
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280 | vector<string> properties;
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281 | properties.push_back("endpoints");
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282 | properties.push_back("bootstrap.hints");
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283 | return properties;
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284 | }
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285 |
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286 | const string AribaModule::getLocalEndpoints() {
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287 | return base_comm->getEndpointDescriptor().toString();
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288 | }
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289 |
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290 | } // namespace ariba
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