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| 1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "update_engine/update_attempter.h" |
| 6 #include <tr1/memory> |
| 7 #include <string> |
| 8 #include <vector> |
| 9 #include <glib.h> |
| 10 #include "update_engine/download_action.h" |
| 11 #include "update_engine/filesystem_copier_action.h" |
| 12 #include "update_engine/libcurl_http_fetcher.h" |
| 13 #include "update_engine/omaha_request_prep_action.h" |
| 14 #include "update_engine/omaha_response_handler_action.h" |
| 15 #include "update_engine/postinstall_runner_action.h" |
| 16 #include "update_engine/set_bootable_flag_action.h" |
| 17 #include "update_engine/update_check_action.h" |
| 18 |
| 19 using std::tr1::shared_ptr; |
| 20 using std::string; |
| 21 using std::vector; |
| 22 |
| 23 namespace chromeos_update_engine { |
| 24 |
| 25 void UpdateAttempter::Update(bool force_full_update) { |
| 26 full_update_ = force_full_update; |
| 27 CHECK(!processor_.IsRunning()); |
| 28 processor_.set_delegate(this); |
| 29 |
| 30 // Actions: |
| 31 shared_ptr<OmahaRequestPrepAction> request_prep_action( |
| 32 new OmahaRequestPrepAction(force_full_update)); |
| 33 shared_ptr<UpdateCheckAction> update_check_action( |
| 34 new UpdateCheckAction(new LibcurlHttpFetcher)); |
| 35 shared_ptr<OmahaResponseHandlerAction> response_handler_action( |
| 36 new OmahaResponseHandlerAction); |
| 37 shared_ptr<FilesystemCopierAction> filesystem_copier_action( |
| 38 new FilesystemCopierAction); |
| 39 shared_ptr<DownloadAction> download_action( |
| 40 new DownloadAction(new LibcurlHttpFetcher)); |
| 41 shared_ptr<PostinstallRunnerAction> postinstall_runner_action( |
| 42 new PostinstallRunnerAction); |
| 43 shared_ptr<SetBootableFlagAction> set_bootable_flag_action( |
| 44 new SetBootableFlagAction); |
| 45 |
| 46 response_handler_action_ = response_handler_action; |
| 47 |
| 48 actions_.push_back(shared_ptr<AbstractAction>(request_prep_action)); |
| 49 actions_.push_back(shared_ptr<AbstractAction>(update_check_action)); |
| 50 actions_.push_back(shared_ptr<AbstractAction>(response_handler_action)); |
| 51 actions_.push_back(shared_ptr<AbstractAction>(filesystem_copier_action)); |
| 52 actions_.push_back(shared_ptr<AbstractAction>(download_action)); |
| 53 actions_.push_back(shared_ptr<AbstractAction>(postinstall_runner_action)); |
| 54 actions_.push_back(shared_ptr<AbstractAction>(set_bootable_flag_action)); |
| 55 |
| 56 // Enqueue the actions |
| 57 for (vector<shared_ptr<AbstractAction> >::iterator it = actions_.begin(); |
| 58 it != actions_.end(); ++it) { |
| 59 processor_.EnqueueAction(it->get()); |
| 60 } |
| 61 |
| 62 // Bond them together. We have to use the leaf-types when calling |
| 63 // BondActions(). |
| 64 BondActions(request_prep_action.get(), update_check_action.get()); |
| 65 BondActions(update_check_action.get(), response_handler_action.get()); |
| 66 BondActions(response_handler_action.get(), filesystem_copier_action.get()); |
| 67 BondActions(filesystem_copier_action.get(), download_action.get()); |
| 68 // TODO(adlr): Bond these actions together properly |
| 69 // BondActions(download_action.get(), install_action.get()); |
| 70 // BondActions(install_action.get(), postinstall_runner_action.get()); |
| 71 BondActions(postinstall_runner_action.get(), set_bootable_flag_action.get()); |
| 72 |
| 73 processor_.StartProcessing(); |
| 74 } |
| 75 |
| 76 // Delegate method: |
| 77 void UpdateAttempter::ProcessingDone(const ActionProcessor* processor, |
| 78 bool success) { |
| 79 CHECK(response_handler_action_); |
| 80 if (response_handler_action_->GotNoUpdateResponse()) { |
| 81 // All done. |
| 82 g_main_loop_quit(loop_); |
| 83 return; |
| 84 } |
| 85 if (!success) { |
| 86 if (!full_update_) { |
| 87 LOG(ERROR) << "Update failed. Attempting full update"; |
| 88 actions_.clear(); |
| 89 response_handler_action_.reset(); |
| 90 Update(true); |
| 91 return; |
| 92 } else { |
| 93 LOG(ERROR) << "Full update failed. Aborting"; |
| 94 } |
| 95 } |
| 96 g_main_loop_quit(loop_); |
| 97 } |
| 98 |
| 99 // Stop updating. An attempt will be made to record status to the disk |
| 100 // so that updates can be resumed later. |
| 101 void UpdateAttempter::Terminate() { |
| 102 // TODO(adlr): implement this method. |
| 103 NOTIMPLEMENTED(); |
| 104 } |
| 105 |
| 106 // Try to resume from a previously Terminate()d update. |
| 107 void UpdateAttempter::ResumeUpdating() { |
| 108 // TODO(adlr): implement this method. |
| 109 NOTIMPLEMENTED(); |
| 110 } |
| 111 |
| 112 bool UpdateAttempter::GetStatus(int64_t* last_checked_time, |
| 113 double* progress, |
| 114 std::string* current_operation, |
| 115 std::string* new_version, |
| 116 int64_t* new_size) { |
| 117 // TODO(adlr): Return actual status. |
| 118 *last_checked_time = 123; |
| 119 *progress = 0.2223; |
| 120 *current_operation = "DOWNLOADING"; |
| 121 *new_version = "0.2.3.8"; |
| 122 *new_size = 10002; |
| 123 return true; |
| 124 } |
| 125 |
| 126 |
| 127 } // namespace chromeos_update_engine |
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