FileAllocationCommand.cc 3.6 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 "FileAllocationCommand.h"
  36. #include "FileAllocationMan.h"
  37. #include "FileAllocationEntry.h"
  38. #include "DownloadEngine.h"
  39. #include "RequestGroup.h"
  40. #include "Logger.h"
  41. #include "LogFactory.h"
  42. #include "message.h"
  43. #include "prefs.h"
  44. #include "util.h"
  45. #include "DownloadEngine.h"
  46. #include "DownloadContext.h"
  47. #include "a2functional.h"
  48. #include "RecoverableException.h"
  49. #include "wallclock.h"
  50. #include "RequestGroupMan.h"
  51. #include "fmt.h"
  52. namespace aria2 {
  53. FileAllocationCommand::FileAllocationCommand(
  54. cuid_t cuid, RequestGroup* requestGroup, DownloadEngine* e,
  55. FileAllocationEntry* fileAllocationEntry)
  56. : RealtimeCommand{cuid, requestGroup, e},
  57. fileAllocationEntry_{fileAllocationEntry}
  58. {
  59. }
  60. FileAllocationCommand::~FileAllocationCommand()
  61. {
  62. getDownloadEngine()->getFileAllocationMan()->dropPickedEntry();
  63. }
  64. bool FileAllocationCommand::executeInternal()
  65. {
  66. if (getRequestGroup()->isHaltRequested()) {
  67. return true;
  68. }
  69. fileAllocationEntry_->allocateChunk();
  70. if (fileAllocationEntry_->finished()) {
  71. A2_LOG_DEBUG(fmt(
  72. MSG_ALLOCATION_COMPLETED,
  73. static_cast<long int>(std::chrono::duration_cast<std::chrono::seconds>(
  74. timer_.difference(global::wallclock()))
  75. .count()),
  76. getRequestGroup()->getTotalLength()));
  77. std::vector<std::unique_ptr<Command>> commands;
  78. fileAllocationEntry_->prepareForNextAction(commands, getDownloadEngine());
  79. getDownloadEngine()->addCommand(std::move(commands));
  80. getDownloadEngine()->setNoWait(true);
  81. return true;
  82. }
  83. else {
  84. getDownloadEngine()->addCommand(std::unique_ptr<Command>(this));
  85. return false;
  86. }
  87. }
  88. bool FileAllocationCommand::handleException(Exception& e)
  89. {
  90. getRequestGroup()->setLastErrorCode(e.getErrorCode(), e.what());
  91. A2_LOG_ERROR_EX(fmt(MSG_FILE_ALLOCATION_FAILURE, getCuid()), e);
  92. A2_LOG_ERROR(
  93. fmt(MSG_DOWNLOAD_NOT_COMPLETE, getCuid(),
  94. getRequestGroup()->getDownloadContext()->getBasePath().c_str()));
  95. return true;
  96. }
  97. } // namespace aria2