PeerInteractionCommand.h 2.9 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. #ifndef _D_PEER_INTERACTION_COMMAND_H_
  36. #define _D_PEER_INTERACTION_COMMAND_H_
  37. #include "PeerAbstractCommand.h"
  38. #include "PeerConnection.h"
  39. #include "PeerInteraction.h"
  40. #include "TimeA2.h"
  41. using namespace std;
  42. #define MAX_PEER_CHOKING_INTERVAL (1*60)
  43. #define KEEP_ALIVE_INTERVAL 120
  44. class PeerInteractionCommand : public PeerAbstractCommand {
  45. private:
  46. int sequence;
  47. PeerInteraction* peerInteraction;
  48. Time keepAliveCheckPoint;
  49. //Time chokeCheckPoint;
  50. Time freqCheckPoint;
  51. Time haveCheckTime;
  52. Time periodicExecPoint;
  53. int chokeUnchokeCount;
  54. int haveCount;
  55. int keepAliveCount;
  56. void receiveMessages();
  57. void detectMessageFlooding();
  58. void checkLongTimePeerChoking();
  59. void detectTimeoutAndDuplicateBlock();
  60. void decideChoking();
  61. void sendKeepAlive();
  62. void checkHave();
  63. protected:
  64. bool executeInternal();
  65. bool prepareForRetry(int wait);
  66. bool prepareForNextPeer(int wait);
  67. void onAbort(Exception* ex);
  68. public:
  69. PeerInteractionCommand(int cuid, const PeerHandle& peer,
  70. TorrentDownloadEngine* e,
  71. const BtContextHandle& btContext,
  72. const SocketHandle& s, int sequence);
  73. ~PeerInteractionCommand();
  74. enum Seq {
  75. INITIATOR_SEND_HANDSHAKE,
  76. INITIATOR_WAIT_HANDSHAKE,
  77. RECEIVER_SEND_HANDSHAKE,
  78. RECEIVER_WAIT_HANDSHAKE,
  79. WIRED};
  80. };
  81. #endif // _D_PEER_INTERACTION_COMMAND_H_