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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/history/core/browser/history_backend.h" | 5 #include "components/history/core/browser/history_backend.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <functional> | 8 #include <functional> |
9 #include <list> | 9 #include <list> |
10 #include <map> | 10 #include <map> |
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61 DownloadDatabase (stores a list of downloads) | 61 DownloadDatabase (stores a list of downloads) |
62 VisitDatabase (stores a list of visits for the URLs) | 62 VisitDatabase (stores a list of visits for the URLs) |
63 VisitSegmentDatabase (stores groups of URLs for the most visited view). | 63 VisitSegmentDatabase (stores groups of URLs for the most visited view). |
64 | 64 |
65 ExpireHistoryBackend (manages deleting things older than 3 months) | 65 ExpireHistoryBackend (manages deleting things older than 3 months) |
66 */ | 66 */ |
67 | 67 |
68 namespace history { | 68 namespace history { |
69 | 69 |
70 namespace { | 70 namespace { |
| 71 |
71 void RunUnlessCanceled( | 72 void RunUnlessCanceled( |
72 const base::Closure& closure, | 73 const base::Closure& closure, |
73 const base::CancelableTaskTracker::IsCanceledCallback& is_canceled) { | 74 const base::CancelableTaskTracker::IsCanceledCallback& is_canceled) { |
74 if (!is_canceled.Run()) | 75 if (!is_canceled.Run()) |
75 closure.Run(); | 76 closure.Run(); |
76 } | 77 } |
| 78 |
77 } // namespace | 79 } // namespace |
78 | 80 |
79 // How long we'll wait to do a commit, so that things are batched together. | 81 // How long we'll wait to do a commit, so that things are batched together. |
80 const int kCommitIntervalSeconds = 10; | 82 const int kCommitIntervalSeconds = 10; |
81 | 83 |
82 // The amount of time before we re-fetch the favicon. | 84 // The amount of time before we re-fetch the favicon. |
83 const int kFaviconRefetchDays = 7; | 85 const int kFaviconRefetchDays = 7; |
84 | 86 |
85 // The maximum number of items we'll allow in the redirect list before | 87 // The maximum number of items we'll allow in the redirect list before |
86 // deleting some. | 88 // deleting some. |
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645 | 647 |
646 // History database. | 648 // History database. |
647 db_.reset(new HistoryDatabase( | 649 db_.reset(new HistoryDatabase( |
648 history_database_params.download_interrupt_reason_none, | 650 history_database_params.download_interrupt_reason_none, |
649 history_database_params.download_interrupt_reason_crash)); | 651 history_database_params.download_interrupt_reason_crash)); |
650 | 652 |
651 // Unretained to avoid a ref loop with db_. | 653 // Unretained to avoid a ref loop with db_. |
652 db_->set_error_callback(base::Bind(&HistoryBackend::DatabaseErrorCallback, | 654 db_->set_error_callback(base::Bind(&HistoryBackend::DatabaseErrorCallback, |
653 base::Unretained(this))); | 655 base::Unretained(this))); |
654 | 656 |
| 657 db_diagnostics_.clear(); |
655 sql::InitStatus status = db_->Init(history_name); | 658 sql::InitStatus status = db_->Init(history_name); |
656 switch (status) { | 659 switch (status) { |
657 case sql::INIT_OK: | 660 case sql::INIT_OK: |
658 break; | 661 break; |
659 case sql::INIT_TOO_NEW: | |
660 delegate_->NotifyProfileError(status); | |
661 db_.reset(); | |
662 return; | |
663 case sql::INIT_FAILURE: { | 662 case sql::INIT_FAILURE: { |
664 // A null db_ will cause all calls on this object to notice this error | 663 // A null db_ will cause all calls on this object to notice this error |
665 // and to not continue. If the error callback scheduled killing the | 664 // and to not continue. If the error callback scheduled killing the |
666 // database, the task it posted has not executed yet. Try killing the | 665 // database, the task it posted has not executed yet. Try killing the |
667 // database now before we close it. | 666 // database now before we close it. |
668 bool kill_db = scheduled_kill_db_; | 667 bool kill_db = scheduled_kill_db_; |
669 if (kill_db) | 668 if (kill_db) |
670 KillHistoryDatabase(); | 669 KillHistoryDatabase(); |
671 UMA_HISTOGRAM_BOOLEAN("History.AttemptedToFixProfileError", kill_db); | 670 UMA_HISTOGRAM_BOOLEAN("History.AttemptedToFixProfileError", kill_db); |
672 delegate_->NotifyProfileError(status); | 671 } // Falls through. |
| 672 case sql::INIT_TOO_NEW: { |
| 673 db_diagnostics_ += sql::GetCorruptFileDiagnosticsInfo(history_name); |
| 674 delegate_->NotifyProfileError(status, db_diagnostics_); |
673 db_.reset(); | 675 db_.reset(); |
674 return; | 676 return; |
675 } | 677 } |
676 default: | 678 default: |
677 NOTREACHED(); | 679 NOTREACHED(); |
678 } | 680 } |
679 | 681 |
680 // Fill the in-memory database and send it back to the history service on the | 682 // Fill the in-memory database and send it back to the history service on the |
681 // main thread. | 683 // main thread. |
682 { | 684 { |
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2404 // that we can delete all associated icons in the case of deleting an | 2406 // that we can delete all associated icons in the case of deleting an |
2405 // unvisited bookmarked URL. | 2407 // unvisited bookmarked URL. |
2406 if (visits.empty()) | 2408 if (visits.empty()) |
2407 expirer_.DeleteURL(*i); // There are no more visits; nuke the URL. | 2409 expirer_.DeleteURL(*i); // There are no more visits; nuke the URL. |
2408 } | 2410 } |
2409 } | 2411 } |
2410 | 2412 |
2411 void HistoryBackend::DatabaseErrorCallback(int error, sql::Statement* stmt) { | 2413 void HistoryBackend::DatabaseErrorCallback(int error, sql::Statement* stmt) { |
2412 if (!scheduled_kill_db_ && sql::IsErrorCatastrophic(error)) { | 2414 if (!scheduled_kill_db_ && sql::IsErrorCatastrophic(error)) { |
2413 scheduled_kill_db_ = true; | 2415 scheduled_kill_db_ = true; |
| 2416 |
| 2417 db_diagnostics_ = db_->GetDiagnosticInfo(error, stmt); |
| 2418 |
2414 // Don't just do the close/delete here, as we are being called by |db| and | 2419 // Don't just do the close/delete here, as we are being called by |db| and |
2415 // that seems dangerous. | 2420 // that seems dangerous. |
2416 // TODO(shess): Consider changing KillHistoryDatabase() to use | 2421 // TODO(shess): Consider changing KillHistoryDatabase() to use |
2417 // RazeAndClose(). Then it can be cleared immediately. | 2422 // RazeAndClose(). Then it can be cleared immediately. |
2418 task_runner_->PostTask( | 2423 task_runner_->PostTask( |
2419 FROM_HERE, base::Bind(&HistoryBackend::KillHistoryDatabase, this)); | 2424 FROM_HERE, base::Bind(&HistoryBackend::KillHistoryDatabase, this)); |
2420 } | 2425 } |
2421 } | 2426 } |
2422 | 2427 |
2423 void HistoryBackend::KillHistoryDatabase() { | 2428 void HistoryBackend::KillHistoryDatabase() { |
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2624 // transaction is currently open. | 2629 // transaction is currently open. |
2625 db_->CommitTransaction(); | 2630 db_->CommitTransaction(); |
2626 db_->Vacuum(); | 2631 db_->Vacuum(); |
2627 db_->BeginTransaction(); | 2632 db_->BeginTransaction(); |
2628 db_->GetStartDate(&first_recorded_time_); | 2633 db_->GetStartDate(&first_recorded_time_); |
2629 | 2634 |
2630 return true; | 2635 return true; |
2631 } | 2636 } |
2632 | 2637 |
2633 } // namespace history | 2638 } // namespace history |
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