HttpRequestCommand.cc 4.0 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 "HttpRequestCommand.h"
  36. #include "Request.h"
  37. #include "DownloadEngine.h"
  38. #include "RequestGroup.h"
  39. #include "HttpResponseCommand.h"
  40. #include "HttpConnection.h"
  41. #include "HttpRequest.h"
  42. #include "SegmentMan.h"
  43. #include "Segment.h"
  44. #include "Option.h"
  45. #include "Socket.h"
  46. #include "prefs.h"
  47. namespace aria2 {
  48. HttpRequestCommand::HttpRequestCommand(int cuid,
  49. const RequestHandle& req,
  50. RequestGroup* requestGroup,
  51. const HttpConnectionHandle& httpConnection,
  52. DownloadEngine* e,
  53. const SocketHandle& s)
  54. :AbstractCommand(cuid, req, requestGroup, e, s),
  55. _httpConnection(httpConnection)
  56. {
  57. disableReadCheckSocket();
  58. setWriteCheckSocket(socket);
  59. }
  60. HttpRequestCommand::~HttpRequestCommand() {}
  61. bool HttpRequestCommand::executeInternal() {
  62. socket->setBlockingMode();
  63. if(req->getProtocol() == "https") {
  64. socket->initiateSecureConnection();
  65. }
  66. if(e->option->get(PREF_ENABLE_HTTP_PIPELINING) == V_TRUE) {
  67. req->setKeepAlive(true);
  68. } else if(e->option->get(PREF_ENABLE_HTTP_KEEP_ALIVE) == V_TRUE &&
  69. !_requestGroup->getSegmentMan().isNull() &&
  70. _requestGroup->getSegmentMan()->countFreePieceFrom(_segments.front()->getIndex()+1) <= 4) {
  71. // TODO Do we need to consider the case where content-length is unknown?
  72. // TODO parameterize the value which enables keep-alive, '4'
  73. req->setKeepAlive(true);
  74. } else {
  75. req->setKeepAlive(false);
  76. }
  77. if(_segments.empty()) {
  78. HttpRequestHandle httpRequest = new HttpRequest();
  79. httpRequest->setUserAgent(e->option->get(PREF_USER_AGENT));
  80. httpRequest->setRequest(req);
  81. httpRequest->setSegment(0);
  82. httpRequest->setEntityLength(_requestGroup->getTotalLength());
  83. httpRequest->configure(e->option);
  84. _httpConnection->sendRequest(httpRequest);
  85. } else {
  86. for(Segments::iterator itr = _segments.begin(); itr != _segments.end(); ++itr) {
  87. SegmentHandle segment = *itr;
  88. if(!_httpConnection->isIssued(segment)) {
  89. HttpRequestHandle httpRequest = new HttpRequest();
  90. httpRequest->setUserAgent(e->option->get(PREF_USER_AGENT));
  91. httpRequest->setRequest(req);
  92. httpRequest->setSegment(segment);
  93. httpRequest->setEntityLength(_requestGroup->getTotalLength());
  94. httpRequest->configure(e->option);
  95. _httpConnection->sendRequest(httpRequest);
  96. }
  97. }
  98. }
  99. Command* command = new HttpResponseCommand(cuid, req, _requestGroup, _httpConnection, e, socket);
  100. e->commands.push_back(command);
  101. return true;
  102. }
  103. } // namespace aria2