Update to Chromium revision 80310.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@213 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2011-04-05 16:17:33 +00:00
parent 029fbc8865
commit 71a6f6548b
43 changed files with 456 additions and 291 deletions

View File

@ -1,4 +1,4 @@
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@ -7,6 +7,8 @@
#include "base/auto_reset.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/message_loop_proxy.h"
#include "base/synchronization/waitable_event.h"
#include "base/threading/platform_thread.h"
#include "base/utf_string_conversions.h"
#include "third_party/sqlite/sqlite3.h"
@ -27,91 +29,138 @@ BrowserDatabaseSystem* BrowserDatabaseSystem::GetInstance() {
}
BrowserDatabaseSystem::BrowserDatabaseSystem()
: waiting_for_dbs_to_close_(false) {
CHECK(temp_dir_.CreateUniqueTempDir());
db_tracker_ = new DatabaseTracker(temp_dir_.path(), false);
db_tracker_->AddObserver(this);
: db_thread_("SimpleDBThread"),
open_connections_(new webkit_database::DatabaseConnectionsWrapper) {
DCHECK(!instance_);
instance_ = this;
CHECK(temp_dir_.CreateUniqueTempDir());
db_tracker_ = new DatabaseTracker(temp_dir_.path(), false, NULL);
db_tracker_->AddObserver(this);
db_thread_.Start();
db_thread_proxy_ = db_thread_.message_loop_proxy();
}
BrowserDatabaseSystem::~BrowserDatabaseSystem() {
db_tracker_->RemoveObserver(this);
base::WaitableEvent done_event(false, false);
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::ThreadCleanup,
&done_event));
done_event.Wait();
instance_ = NULL;
}
void BrowserDatabaseSystem::databaseOpened(const WebKit::WebDatabase& database) {
string16 origin_identifier = database.securityOrigin().databaseIdentifier();
string16 database_name = database.name();
open_connections_->AddOpenConnection(origin_identifier, database_name);
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::DatabaseOpened,
origin_identifier,
database_name, database.displayName(),
database.estimatedSize()));
}
void BrowserDatabaseSystem::databaseModified(
const WebKit::WebDatabase& database) {
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::DatabaseModified,
database.securityOrigin().databaseIdentifier(),
database.name()));
}
void BrowserDatabaseSystem::databaseClosed(const WebKit::WebDatabase& database) {
string16 origin_identifier = database.securityOrigin().databaseIdentifier();
string16 database_name = database.name();
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::DatabaseClosed,
origin_identifier, database_name));
}
base::PlatformFile BrowserDatabaseSystem::OpenFile(
const string16& vfs_file_name, int desired_flags) {
base::PlatformFile file_handle = base::kInvalidPlatformFileValue;
FilePath file_name = GetFullFilePathForVfsFile(vfs_file_name);
if (file_name.empty()) {
VfsBackend::OpenTempFileInDirectory(
db_tracker_->DatabaseDirectory(), desired_flags, &file_handle);
} else {
VfsBackend::OpenFile(file_name, desired_flags, &file_handle);
}
return file_handle;
base::PlatformFile result = base::kInvalidPlatformFileValue;
base::WaitableEvent done_event(false, false);
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::VfsOpenFile,
vfs_file_name, desired_flags,
&result, &done_event));
done_event.Wait();
return result;
}
int BrowserDatabaseSystem::DeleteFile(
const string16& vfs_file_name, bool sync_dir) {
// We try to delete the file multiple times, because that's what the default
// VFS does (apparently deleting a file can sometimes fail on Windows).
// We sleep for 10ms between retries for the same reason.
const int kNumDeleteRetries = 3;
int num_retries = 0;
int error_code = SQLITE_OK;
FilePath file_name = GetFullFilePathForVfsFile(vfs_file_name);
do {
error_code = VfsBackend::DeleteFile(file_name, sync_dir);
} while ((++num_retries < kNumDeleteRetries) &&
(error_code == SQLITE_IOERR_DELETE) &&
(base::PlatformThread::Sleep(10), 1));
return error_code;
int result = SQLITE_OK;
base::WaitableEvent done_event(false, false);
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::VfsDeleteFile,
vfs_file_name, sync_dir,
&result, &done_event));
done_event.Wait();
return result;
}
long BrowserDatabaseSystem::GetFileAttributes(const string16& vfs_file_name) {
return VfsBackend::GetFileAttributes(
GetFullFilePathForVfsFile(vfs_file_name));
uint32 BrowserDatabaseSystem::GetFileAttributes(const string16& vfs_file_name) {
uint32 result = 0;
base::WaitableEvent done_event(false, false);
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::VfsGetFileAttributes,
vfs_file_name, &result, &done_event));
done_event.Wait();
return result;
}
long long BrowserDatabaseSystem::GetFileSize(const string16& vfs_file_name) {
return VfsBackend::GetFileSize(GetFullFilePathForVfsFile(vfs_file_name));
int64 BrowserDatabaseSystem::GetFileSize(const string16& vfs_file_name) {
int64 result = 0;
base::WaitableEvent done_event(false, false);
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::VfsGetFileSize,
vfs_file_name, &result, &done_event));
done_event.Wait();
return result;
}
void BrowserDatabaseSystem::ClearAllDatabases() {
open_connections_->WaitForAllDatabasesToClose();
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::ResetTracker));
}
void BrowserDatabaseSystem::SetDatabaseQuota(int64 quota) {
if (!db_thread_proxy_->BelongsToCurrentThread()) {
db_thread_proxy_->PostTask(FROM_HERE,
NewRunnableMethod(this, &BrowserDatabaseSystem::SetDatabaseQuota,
quota));
return;
}
db_tracker_->SetDefaultQuota(quota);
}
void BrowserDatabaseSystem::DatabaseOpened(const string16& origin_identifier,
const string16& database_name,
const string16& description,
int64 estimated_size) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
int64 database_size = 0;
int64 space_available = 0;
database_connections_.AddConnection(origin_identifier, database_name);
db_tracker_->DatabaseOpened(origin_identifier, database_name, description,
estimated_size, &database_size, &space_available);
SetFullFilePathsForVfsFile(origin_identifier, database_name);
db_tracker_->DatabaseOpened(
origin_identifier, database_name, description,
estimated_size, &database_size, &space_available);
OnDatabaseSizeChanged(origin_identifier, database_name,
database_size, space_available);
}
void BrowserDatabaseSystem::DatabaseModified(const string16& origin_identifier,
const string16& database_name) {
DCHECK(database_connections_.IsDatabaseOpened(
origin_identifier, database_name));
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
db_tracker_->DatabaseModified(origin_identifier, database_name);
}
void BrowserDatabaseSystem::DatabaseClosed(const string16& origin_identifier,
const string16& database_name) {
DCHECK(database_connections_.IsDatabaseOpened(
origin_identifier, database_name));
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
db_tracker_->DatabaseClosed(origin_identifier, database_name);
database_connections_.RemoveConnection(origin_identifier, database_name);
if (waiting_for_dbs_to_close_ && database_connections_.IsEmpty())
MessageLoop::current()->PostTask(FROM_HERE, new MessageLoop::QuitTask());
open_connections_->RemoveOpenConnection(origin_identifier, database_name);
}
void BrowserDatabaseSystem::OnDatabaseSizeChanged(
@ -119,83 +168,95 @@ void BrowserDatabaseSystem::OnDatabaseSizeChanged(
const string16& database_name,
int64 database_size,
int64 space_available) {
if (database_connections_.IsOriginUsed(origin_identifier)) {
WebKit::WebDatabase::updateDatabaseSize(
origin_identifier, database_name, database_size, space_available);
}
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
// We intentionally call into webkit on our background db_thread_
// to better emulate what happens in chrome where this method is
// invoked on the background ipc thread.
WebKit::WebDatabase::updateDatabaseSize(
origin_identifier, database_name, database_size, space_available);
}
void BrowserDatabaseSystem::OnDatabaseScheduledForDeletion(
const string16& origin_identifier,
const string16& database_name) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
// We intentionally call into webkit on our background db_thread_
// to better emulate what happens in chrome where this method is
// invoked on the background ipc thread.
WebKit::WebDatabase::closeDatabaseImmediately(
origin_identifier, database_name);
}
void BrowserDatabaseSystem::databaseOpened(const WebKit::WebDatabase& database) {
DatabaseOpened(database.securityOrigin().databaseIdentifier(),
database.name(), database.displayName(),
database.estimatedSize());
}
void BrowserDatabaseSystem::databaseModified(
const WebKit::WebDatabase& database) {
DatabaseModified(database.securityOrigin().databaseIdentifier(),
database.name());
}
void BrowserDatabaseSystem::databaseClosed(const WebKit::WebDatabase& database) {
DatabaseClosed(database.securityOrigin().databaseIdentifier(),
database.name());
}
void BrowserDatabaseSystem::ClearAllDatabases() {
// Wait for all databases to be closed.
if (!database_connections_.IsEmpty()) {
AutoReset<bool> waiting_for_dbs_auto_reset(
&waiting_for_dbs_to_close_, true);
MessageLoop::ScopedNestableTaskAllower nestable(MessageLoop::current());
MessageLoop::current()->Run();
void BrowserDatabaseSystem::VfsOpenFile(
const string16& vfs_file_name, int desired_flags,
base::PlatformFile* file_handle, base::WaitableEvent* done_event ) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
FilePath file_name = GetFullFilePathForVfsFile(vfs_file_name);
if (file_name.empty()) {
VfsBackend::OpenTempFileInDirectory(
db_tracker_->DatabaseDirectory(), desired_flags, file_handle);
} else {
VfsBackend::OpenFile(file_name, desired_flags, file_handle);
}
db_tracker_->CloseTrackerDatabaseAndClearCaches();
file_util::Delete(db_tracker_->DatabaseDirectory(), true);
file_names_.clear();
done_event->Signal();
}
void BrowserDatabaseSystem::SetDatabaseQuota(int64 quota) {
db_tracker_->SetDefaultQuota(quota);
void BrowserDatabaseSystem::VfsDeleteFile(
const string16& vfs_file_name, bool sync_dir,
int* result, base::WaitableEvent* done_event) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
// We try to delete the file multiple times, because that's what the default
// VFS does (apparently deleting a file can sometimes fail on Windows).
// We sleep for 10ms between retries for the same reason.
const int kNumDeleteRetries = 3;
int num_retries = 0;
*result = SQLITE_OK;
FilePath file_name = GetFullFilePathForVfsFile(vfs_file_name);
do {
*result = VfsBackend::DeleteFile(file_name, sync_dir);
} while ((++num_retries < kNumDeleteRetries) &&
(*result == SQLITE_IOERR_DELETE) &&
(base::PlatformThread::Sleep(10), 1));
done_event->Signal();
}
void BrowserDatabaseSystem::SetFullFilePathsForVfsFile(
const string16& origin_identifier,
const string16& database_name) {
string16 vfs_file_name = origin_identifier + ASCIIToUTF16("/") +
database_name + ASCIIToUTF16("#");
FilePath file_name =
DatabaseUtil::GetFullFilePathForVfsFile(db_tracker_, vfs_file_name);
void BrowserDatabaseSystem::VfsGetFileAttributes(
const string16& vfs_file_name,
uint32* result, base::WaitableEvent* done_event) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
*result = VfsBackend::GetFileAttributes(
GetFullFilePathForVfsFile(vfs_file_name));
done_event->Signal();
}
base::AutoLock file_names_auto_lock(file_names_lock_);
file_names_[vfs_file_name] = file_name;
file_names_[vfs_file_name + ASCIIToUTF16("-journal")] =
FilePath::FromWStringHack(file_name.ToWStringHack() +
ASCIIToWide("-journal"));
void BrowserDatabaseSystem::VfsGetFileSize(
const string16& vfs_file_name,
int64* result, base::WaitableEvent* done_event) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
*result = VfsBackend::GetFileSize(GetFullFilePathForVfsFile(vfs_file_name));
done_event->Signal();
}
FilePath BrowserDatabaseSystem::GetFullFilePathForVfsFile(
const string16& vfs_file_name) {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
if (vfs_file_name.empty()) // temp file, used for vacuuming
return FilePath();
base::AutoLock file_names_auto_lock(file_names_lock_);
if(file_names_.find(vfs_file_name) != file_names_.end())
return file_names_[vfs_file_name];
// This method is getting called when an empty localStorage database is
// deleted. In that case, just return the path.
#if defined(OS_WIN)
return FilePath(vfs_file_name);
#else
return FilePath(UTF16ToUTF8(vfs_file_name));
#endif
return DatabaseUtil::GetFullFilePathForVfsFile(
db_tracker_.get(), vfs_file_name);
}
void BrowserDatabaseSystem::ResetTracker() {
DCHECK(db_thread_proxy_->BelongsToCurrentThread());
db_tracker_->CloseTrackerDatabaseAndClearCaches();
file_util::Delete(db_tracker_->DatabaseDirectory(), true);
}
void BrowserDatabaseSystem::ThreadCleanup(base::WaitableEvent* done_event) {
ResetTracker();
db_tracker_->RemoveObserver(this);
db_tracker_ = NULL;
done_event->Signal();
}