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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/visitedlink/browser/visitedlink_master.h" | 5 #include "components/visitedlink/browser/visitedlink_master.h" |
| 6 | 6 |
| 7 #if defined(OS_WIN) | 7 #if defined(OS_WIN) |
| 8 #include <windows.h> | 8 #include <windows.h> |
| 9 #include <io.h> | 9 #include <io.h> |
| 10 #include <shlobj.h> | 10 #include <shlobj.h> |
| 11 #endif // defined(OS_WIN) | 11 #endif // defined(OS_WIN) |
| 12 #include <stdio.h> | 12 #include <stdio.h> |
| 13 | 13 |
| 14 #include <algorithm> | 14 #include <algorithm> |
| 15 | 15 |
| 16 #include "base/bind.h" | 16 #include "base/bind.h" |
| 17 #include "base/bind_helpers.h" | 17 #include "base/bind_helpers.h" |
| 18 #include "base/containers/stack_container.h" | 18 #include "base/containers/stack_container.h" |
| 19 #include "base/file_util.h" | 19 #include "base/file_util.h" |
| 20 #include "base/files/scoped_file.h" |
| 20 #include "base/logging.h" | 21 #include "base/logging.h" |
| 21 #include "base/message_loop/message_loop.h" | 22 #include "base/message_loop/message_loop.h" |
| 22 #include "base/path_service.h" | 23 #include "base/path_service.h" |
| 23 #include "base/rand_util.h" | 24 #include "base/rand_util.h" |
| 24 #include "base/strings/string_util.h" | 25 #include "base/strings/string_util.h" |
| 25 #include "base/threading/thread_restrictions.h" | 26 #include "base/threading/thread_restrictions.h" |
| 26 #include "components/visitedlink/browser/visitedlink_delegate.h" | 27 #include "components/visitedlink/browser/visitedlink_delegate.h" |
| 27 #include "components/visitedlink/browser/visitedlink_event_listener.h" | 28 #include "components/visitedlink/browser/visitedlink_event_listener.h" |
| 28 #include "content/public/browser/browser_context.h" | 29 #include "content/public/browser/browser_context.h" |
| 29 #include "content/public/browser/browser_thread.h" | 30 #include "content/public/browser/browser_thread.h" |
| 30 #include "url/gurl.h" | 31 #include "url/gurl.h" |
| 31 | 32 |
| 32 using content::BrowserThread; | 33 using content::BrowserThread; |
| 33 using file_util::ScopedFILE; | |
| 34 | 34 |
| 35 namespace visitedlink { | 35 namespace visitedlink { |
| 36 | 36 |
| 37 const int32 VisitedLinkMaster::kFileHeaderSignatureOffset = 0; | 37 const int32 VisitedLinkMaster::kFileHeaderSignatureOffset = 0; |
| 38 const int32 VisitedLinkMaster::kFileHeaderVersionOffset = 4; | 38 const int32 VisitedLinkMaster::kFileHeaderVersionOffset = 4; |
| 39 const int32 VisitedLinkMaster::kFileHeaderLengthOffset = 8; | 39 const int32 VisitedLinkMaster::kFileHeaderLengthOffset = 8; |
| 40 const int32 VisitedLinkMaster::kFileHeaderUsedOffset = 12; | 40 const int32 VisitedLinkMaster::kFileHeaderUsedOffset = 12; |
| 41 const int32 VisitedLinkMaster::kFileHeaderSaltOffset = 16; | 41 const int32 VisitedLinkMaster::kFileHeaderSaltOffset = 16; |
| 42 | 42 |
| 43 const int32 VisitedLinkMaster::kFileCurrentVersion = 3; | 43 const int32 VisitedLinkMaster::kFileCurrentVersion = 3; |
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| 533 // The hash table may have shrunk, so make sure this is the end. | 533 // The hash table may have shrunk, so make sure this is the end. |
| 534 PostIOTask(FROM_HERE, base::Bind(&AsyncTruncate, file_)); | 534 PostIOTask(FROM_HERE, base::Bind(&AsyncTruncate, file_)); |
| 535 } | 535 } |
| 536 | 536 |
| 537 bool VisitedLinkMaster::InitFromFile() { | 537 bool VisitedLinkMaster::InitFromFile() { |
| 538 DCHECK(file_ == NULL); | 538 DCHECK(file_ == NULL); |
| 539 DCHECK(persist_to_disk_); | 539 DCHECK(persist_to_disk_); |
| 540 | 540 |
| 541 base::FilePath filename; | 541 base::FilePath filename; |
| 542 GetDatabaseFileName(&filename); | 542 GetDatabaseFileName(&filename); |
| 543 ScopedFILE file_closer(base::OpenFile(filename, "rb+")); | 543 base::ScopedFILE file_closer(base::OpenFile(filename, "rb+")); |
| 544 if (!file_closer.get()) | 544 if (!file_closer.get()) |
| 545 return false; | 545 return false; |
| 546 | 546 |
| 547 int32 num_entries, used_count; | 547 int32 num_entries, used_count; |
| 548 if (!ReadFileHeader(file_closer.get(), &num_entries, &used_count, salt_)) | 548 if (!ReadFileHeader(file_closer.get(), &num_entries, &used_count, salt_)) |
| 549 return false; // Header isn't valid. | 549 return false; // Header isn't valid. |
| 550 | 550 |
| 551 // Allocate and read the table. | 551 // Allocate and read the table. |
| 552 if (!CreateURLTable(num_entries, false)) | 552 if (!CreateURLTable(num_entries, false)) |
| 553 return false; | 553 return false; |
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| 978 BrowserThread::UI, FROM_HERE, | 978 BrowserThread::UI, FROM_HERE, |
| 979 base::Bind(&TableBuilder::OnCompleteMainThread, this)); | 979 base::Bind(&TableBuilder::OnCompleteMainThread, this)); |
| 980 } | 980 } |
| 981 | 981 |
| 982 void VisitedLinkMaster::TableBuilder::OnCompleteMainThread() { | 982 void VisitedLinkMaster::TableBuilder::OnCompleteMainThread() { |
| 983 if (master_) | 983 if (master_) |
| 984 master_->OnTableRebuildComplete(success_, fingerprints_); | 984 master_->OnTableRebuildComplete(success_, fingerprints_); |
| 985 } | 985 } |
| 986 | 986 |
| 987 } // namespace visitedlink | 987 } // namespace visitedlink |
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