DHTAnnouncePeerMessage.cc 4.4 KB

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  1. /* <!-- copyright */
  2. /*
  3. * aria2 - The high speed download utility
  4. *
  5. * Copyright (C) 2006 Tatsuhiro Tsujikawa
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20. *
  21. * In addition, as a special exception, the copyright holders give
  22. * permission to link the code of portions of this program with the
  23. * OpenSSL library under certain conditions as described in each
  24. * individual source file, and distribute linked combinations
  25. * including the two.
  26. * You must obey the GNU General Public License in all respects
  27. * for all of the code used other than OpenSSL. If you modify
  28. * file(s) with this exception, you may extend this exception to your
  29. * version of the file(s), but you are not obligated to do so. If you
  30. * do not wish to do so, delete this exception statement from your
  31. * version. If you delete this exception statement from all source
  32. * files in the program, then also delete it here.
  33. */
  34. /* copyright --> */
  35. #include "DHTAnnouncePeerMessage.h"
  36. #include <cstring>
  37. #include "DHTNode.h"
  38. #include "DHTRoutingTable.h"
  39. #include "DHTMessageFactory.h"
  40. #include "DHTMessageDispatcher.h"
  41. #include "DHTMessageCallback.h"
  42. #include "util.h"
  43. #include "DHTPeerAnnounceStorage.h"
  44. #include "DHTTokenTracker.h"
  45. #include "DlAbortEx.h"
  46. #include "BtConstants.h"
  47. #include "fmt.h"
  48. #include "a2functional.h"
  49. namespace aria2 {
  50. const std::string DHTAnnouncePeerMessage::ANNOUNCE_PEER("announce_peer");
  51. const std::string DHTAnnouncePeerMessage::INFO_HASH("info_hash");
  52. const std::string DHTAnnouncePeerMessage::PORT("port");
  53. const std::string DHTAnnouncePeerMessage::TOKEN("token");
  54. DHTAnnouncePeerMessage::DHTAnnouncePeerMessage
  55. (const SharedHandle<DHTNode>& localNode,
  56. const SharedHandle<DHTNode>& remoteNode,
  57. const unsigned char* infoHash,
  58. uint16_t tcpPort,
  59. const std::string& token,
  60. const std::string& transactionID):
  61. DHTQueryMessage(localNode, remoteNode, transactionID),
  62. token_(token),
  63. tcpPort_(tcpPort),
  64. peerAnnounceStorage_(0),
  65. tokenTracker_(0)
  66. {
  67. memcpy(infoHash_, infoHash, DHT_ID_LENGTH);
  68. }
  69. DHTAnnouncePeerMessage::~DHTAnnouncePeerMessage() {}
  70. void DHTAnnouncePeerMessage::doReceivedAction()
  71. {
  72. peerAnnounceStorage_->addPeerAnnounce
  73. (infoHash_, getRemoteNode()->getIPAddress(), tcpPort_);
  74. SharedHandle<DHTMessage> reply =
  75. getMessageFactory()->createAnnouncePeerReplyMessage
  76. (getRemoteNode(), getTransactionID());
  77. getMessageDispatcher()->addMessageToQueue(reply);
  78. }
  79. SharedHandle<Dict> DHTAnnouncePeerMessage::getArgument()
  80. {
  81. SharedHandle<Dict> aDict = Dict::g();
  82. aDict->put(DHTMessage::ID, String::g(getLocalNode()->getID(), DHT_ID_LENGTH));
  83. aDict->put(INFO_HASH, String::g(infoHash_, DHT_ID_LENGTH));
  84. aDict->put(PORT, Integer::g(tcpPort_));
  85. aDict->put(TOKEN, token_);
  86. return aDict;
  87. }
  88. const std::string& DHTAnnouncePeerMessage::getMessageType() const
  89. {
  90. return ANNOUNCE_PEER;
  91. }
  92. void DHTAnnouncePeerMessage::validate() const
  93. {
  94. if(!tokenTracker_->validateToken(token_, infoHash_,
  95. getRemoteNode()->getIPAddress(),
  96. getRemoteNode()->getPort())) {
  97. throw DL_ABORT_EX
  98. (fmt("Invalid token=%s from %s:%u",
  99. util::toHex(token_).c_str(),
  100. getRemoteNode()->getIPAddress().c_str(),
  101. getRemoteNode()->getPort()));
  102. }
  103. }
  104. void DHTAnnouncePeerMessage::setPeerAnnounceStorage
  105. (DHTPeerAnnounceStorage* storage)
  106. {
  107. peerAnnounceStorage_ = storage;
  108. }
  109. void DHTAnnouncePeerMessage::setTokenTracker(DHTTokenTracker* tokenTracker)
  110. {
  111. tokenTracker_ = tokenTracker;
  112. }
  113. std::string DHTAnnouncePeerMessage::toStringOptional() const
  114. {
  115. return strconcat("token=", util::toHex(token_),
  116. ", info_hash=", util::toHex(infoHash_, INFO_HASH_LENGTH),
  117. ", tcpPort=", util::uitos(tcpPort_));
  118. }
  119. } // namespace aria2