Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 1 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| 2 | /** |
| 3 | * Copyright (C) 2013 Regents of the University of California. |
| 4 | * See COPYING for copyright and distribution information. |
| 5 | */ |
| 6 | |
| 7 | #include "common.hpp" |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 8 | #include "ndnd-controller.hpp" |
| 9 | |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 10 | #include "../face.hpp" |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 11 | #include "../security/signature-sha256-with-rsa.hpp" |
| 12 | #include "../util/random.hpp" |
| 13 | |
| 14 | #include "ndnd-forwarding-entry.hpp" |
| 15 | #include "ndnd-face-instance.hpp" |
| 16 | #include "ndnd-status-response.hpp" |
| 17 | |
| 18 | namespace ndn { |
| 19 | namespace ndnd { |
| 20 | |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 21 | Controller::Controller(Face& face) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 22 | : m_face(face) |
| 23 | , m_faceId(-1) |
| 24 | { |
| 25 | } |
| 26 | |
| 27 | void |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 28 | Controller::selfRegisterPrefix(const Name& prefixToRegister, |
| 29 | const SuccessCallback& onSuccess, |
| 30 | const FailCallback& onFail) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 31 | { |
| 32 | if (!m_ndndId.hasValue()) |
| 33 | { |
| 34 | if (m_filterRequests.empty()) |
| 35 | { |
| 36 | m_face.expressInterest(Name("/%C1.M.S.localhost/%C1.M.SRV/ndnd/KEY"), |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 37 | bind(&Controller::onNdnidFetched, this, _1, _2), |
| 38 | bind(onFail, "NDNDID fetching timed out")); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 39 | } |
| 40 | m_filterRequests.push_back(FilterRequest(prefixToRegister, onSuccess, onFail)); |
| 41 | } |
| 42 | else |
| 43 | startPrefixAction(ForwardingEntry("selfreg", prefixToRegister), |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 44 | bind(&Controller::recordSelfRegisteredFaceId, this, _1, onSuccess), |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 45 | onFail); |
| 46 | } |
| 47 | |
| 48 | |
| 49 | void |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 50 | Controller::selfDeregisterPrefix(const Name& prefixToRegister, |
| 51 | const SuccessCallback& onSuccess, |
| 52 | const FailCallback& onFail) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 53 | { |
| 54 | if (!m_ndndId.hasValue() || m_faceId == -1) |
| 55 | { |
| 56 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 57 | onFail("NDNID is not available (must have been present after a successful registration operation)"); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 58 | return; |
| 59 | } |
| 60 | |
| 61 | startPrefixAction(ForwardingEntry("unreg", prefixToRegister, m_faceId), |
| 62 | bind(onSuccess), onFail); |
| 63 | } |
| 64 | |
| 65 | |
| 66 | void |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 67 | Controller::onNdnidFetched(const Interest& interest, Data& data) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 68 | { |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 69 | if (data.getName().size() > interest.getName().size()) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 70 | { |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 71 | m_ndndId = data.getName()[interest.getName().size()]; |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 72 | |
| 73 | for (FilterRequestList::iterator i = m_filterRequests.begin(); |
| 74 | i != m_filterRequests.end(); |
| 75 | ++i) |
| 76 | { |
| 77 | startPrefixAction(ForwardingEntry("selfreg", i->m_prefixToRegister), |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 78 | bind(&Controller::recordSelfRegisteredFaceId, this, _1, i->m_onSuccess), |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 79 | i->m_onFailure); |
| 80 | } |
| 81 | } |
| 82 | else |
| 83 | { |
| 84 | for (FilterRequestList::iterator i = m_filterRequests.begin(); |
| 85 | i != m_filterRequests.end(); |
| 86 | ++i) |
| 87 | { |
| 88 | if (static_cast<bool>(i->m_onFailure)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 89 | i->m_onFailure("NDNID cannot be fetched"); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 90 | } |
| 91 | } |
| 92 | m_filterRequests.clear(); |
| 93 | } |
| 94 | |
| 95 | void |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 96 | Controller::recordSelfRegisteredFaceId(const ForwardingEntry& entry, |
| 97 | const SuccessCallback& onSuccess) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 98 | { |
| 99 | m_faceId = entry.getFaceId(); |
| 100 | if (static_cast<bool>(onSuccess)) |
| 101 | onSuccess(); |
| 102 | } |
| 103 | |
| 104 | void |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 105 | Controller::startFaceAction(const FaceInstance& entry, |
| 106 | const FaceOperationSucceedCallback& onSuccess, |
| 107 | const FailCallback& onFail) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 108 | { |
| 109 | // Set the ForwardingEntry as the content of a Data packet and sign. |
| 110 | Data data; |
| 111 | data.setName(Name().appendVersion(ndn::random::generateWord32())); |
| 112 | data.setContent(entry.wireEncode()); |
| 113 | |
| 114 | // Create an empty signature, since nobody going to verify it for now |
| 115 | // @todo In the future, we may require real signatures to do the registration |
| 116 | SignatureSha256WithRsa signature; |
| 117 | signature.setValue(Block(Tlv::SignatureValue)); |
| 118 | data.setSignature(signature); |
| 119 | |
| 120 | // Create an interest where the name has the encoded Data packet. |
| 121 | Name interestName; |
| 122 | interestName.append("ndnx"); |
| 123 | interestName.append(m_ndndId); |
| 124 | interestName.append(entry.getAction()); |
| 125 | interestName.append(data.wireEncode()); |
| 126 | |
| 127 | Interest interest(interestName); |
| 128 | interest.setScope(1); |
| 129 | interest.setInterestLifetime(1000); |
| 130 | interest.setMustBeFresh(true); |
| 131 | |
| 132 | m_face.expressInterest(interest, |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 133 | bind(&Controller::processFaceActionResponse, this, _2, onSuccess, onFail), |
| 134 | bind(onFail, "Command Interest failed")); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | void |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 138 | Controller::startPrefixAction(const ForwardingEntry& entry, |
| 139 | const PrefixOperationSucceedCallback& onSuccess, |
| 140 | const FailCallback& onFail) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 141 | { |
| 142 | // Set the ForwardingEntry as the content of a Data packet and sign. |
| 143 | Data data; |
| 144 | data.setName(Name().appendVersion(random::generateWord32())); |
| 145 | data.setContent(entry.wireEncode()); |
| 146 | |
| 147 | // Create an empty signature, since nobody going to verify it for now |
| 148 | // @todo In the future, we may require real signatures to do the registration |
| 149 | SignatureSha256WithRsa signature; |
| 150 | signature.setValue(Block(Tlv::SignatureValue)); |
| 151 | data.setSignature(signature); |
| 152 | |
| 153 | // Create an interest where the name has the encoded Data packet. |
| 154 | Name interestName; |
| 155 | interestName.append("ndnx"); |
| 156 | interestName.append(m_ndndId); |
| 157 | interestName.append(entry.getAction()); |
| 158 | interestName.append(data.wireEncode()); |
| 159 | |
| 160 | Interest interest(interestName); |
| 161 | interest.setScope(1); |
| 162 | interest.setInterestLifetime(1000); |
| 163 | interest.setMustBeFresh(true); |
| 164 | |
| 165 | m_face.expressInterest(interest, |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 166 | bind(&Controller::processPrefixActionResponse, this, _2, onSuccess, onFail), |
| 167 | bind(onFail, "Command Interest timed out")); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | void |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 171 | Controller::processFaceActionResponse(Data& data, |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 172 | const FaceOperationSucceedCallback& onSuccess, |
| 173 | const FailCallback& onFail) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 174 | { |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 175 | Block content = data.getContent(); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 176 | content.parse(); |
| 177 | |
Alexander Afanasyev | 29e5c3d | 2014-02-11 00:01:10 -0800 | [diff] [blame^] | 178 | if (content.elements().empty()) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 179 | { |
| 180 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 181 | onFail("Empty response"); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 182 | return; |
| 183 | } |
| 184 | |
Alexander Afanasyev | 29e5c3d | 2014-02-11 00:01:10 -0800 | [diff] [blame^] | 185 | Block::element_const_iterator val = content.elements_begin(); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 186 | |
| 187 | switch(val->type()) |
| 188 | { |
| 189 | case Tlv::FaceManagement::FaceInstance: |
| 190 | { |
| 191 | FaceInstance entry; |
| 192 | entry.wireDecode(*val); |
| 193 | |
| 194 | if (static_cast<bool>(onSuccess)) |
| 195 | onSuccess(entry); |
| 196 | return; |
| 197 | } |
| 198 | case Tlv::FaceManagement::StatusResponse: |
| 199 | { |
| 200 | StatusResponse resp; |
| 201 | resp.wireDecode(*val); |
| 202 | |
| 203 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 204 | onFail(resp.getInfo()); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 205 | return; |
| 206 | } |
| 207 | default: |
| 208 | { |
| 209 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 210 | onFail("Invalid response"); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 211 | return; |
| 212 | } |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | void |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 217 | Controller::processPrefixActionResponse(Data& data, |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 218 | const PrefixOperationSucceedCallback& onSuccess, |
| 219 | const FailCallback& onFail) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 220 | { |
Alexander Afanasyev | 0222fba | 2014-02-09 23:16:02 -0800 | [diff] [blame] | 221 | Block content = data.getContent(); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 222 | content.parse(); |
| 223 | |
Alexander Afanasyev | 29e5c3d | 2014-02-11 00:01:10 -0800 | [diff] [blame^] | 224 | if (content.elements().empty()) |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 225 | { |
| 226 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 227 | onFail("Empty response"); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 228 | return; |
| 229 | } |
| 230 | |
Alexander Afanasyev | 29e5c3d | 2014-02-11 00:01:10 -0800 | [diff] [blame^] | 231 | Block::element_const_iterator val = content.elements_begin(); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 232 | |
| 233 | switch(val->type()) |
| 234 | { |
| 235 | case Tlv::FaceManagement::ForwardingEntry: |
| 236 | { |
| 237 | ForwardingEntry entry; |
| 238 | entry.wireDecode(*val); |
| 239 | |
| 240 | if (static_cast<bool>(onSuccess)) |
| 241 | onSuccess(entry); |
| 242 | return; |
| 243 | } |
| 244 | case Tlv::FaceManagement::StatusResponse: |
| 245 | { |
| 246 | StatusResponse resp; |
| 247 | resp.wireDecode(*val); |
| 248 | |
| 249 | // std::cerr << "StatusReponse: " << resp << std::endl; |
| 250 | |
| 251 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 252 | onFail(resp.getInfo()); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 253 | return; |
| 254 | } |
| 255 | default: |
| 256 | { |
| 257 | if (static_cast<bool>(onFail)) |
Alexander Afanasyev | e289b53 | 2014-02-09 22:14:44 -0800 | [diff] [blame] | 258 | onFail("Invalid response"); |
Alexander Afanasyev | c8823bc | 2014-02-09 19:33:33 -0800 | [diff] [blame] | 259 | return; |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | } // namespace ndnd |
| 265 | } // namespace ndn |