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chromium / git / chromium / trunk / . / webkit / quota / quota_manager.cc
blob: 2ac8cc465d863d18a9067f96ccf47d22b5742078 [file] [log] [blame]
// Copyright (c) 2012 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.
#include "webkit/quota/quota_manager.h"
#include <algorithm>
#include <deque>
#include <set>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/file_path.h"
#include "base/sequenced_task_runner.h"
#include "base/single_thread_task_runner.h"
#include "base/metrics/histogram.h"
#include "base/string_number_conversions.h"
#include "base/sys_info.h"
#include "base/task_runner_util.h"
#include "base/time.h"
#include "net/base/net_util.h"
#include "webkit/quota/quota_database.h"
#include "webkit/quota/quota_temporary_storage_evictor.h"
#include "webkit/quota/quota_types.h"
#include "webkit/quota/usage_tracker.h"
#define UMA_HISTOGRAM_MBYTES(name, sample) \
UMA_HISTOGRAM_CUSTOM_COUNTS( \
(name), static_cast<int>((sample) / kMBytes), \
1, 10 * 1024 * 1024 /* 10TB */, 100)
namespace quota {
namespace {
const int64 kMBytes = 1024 * 1024;
const int kMinutesInMilliSeconds = 60 * 1000;
const int64 kIncognitoDefaultTemporaryQuota = 50 * kMBytes;
const int64 kReportHistogramInterval = 60 * 60 * 1000; // 1 hour
const double kTemporaryQuotaRatioToAvail = 0.5; // 50%
void CountOriginType(const std::set<GURL>& origins,
SpecialStoragePolicy* policy,
size_t* protected_origins,
size_t* unlimited_origins) {
DCHECK(protected_origins);
DCHECK(unlimited_origins);
*protected_origins = 0;
*unlimited_origins = 0;
if (!policy)
return;
for (std::set<GURL>::const_iterator itr = origins.begin();
itr != origins.end();
++itr) {
if (policy->IsStorageProtected(*itr))
++*protected_origins;
if (policy->IsStorageUnlimited(*itr))
++*unlimited_origins;
}
}
bool SetTemporaryGlobalOverrideQuotaOnDBThread(int64* new_quota,
QuotaDatabase* database) {
DCHECK(database);
if (!database->SetQuotaConfigValue(
QuotaDatabase::kTemporaryQuotaOverrideKey, *new_quota)) {
*new_quota = -1;
return false;
}
return true;
}
bool GetPersistentHostQuotaOnDBThread(const std::string& host,
int64* quota,
QuotaDatabase* database) {
DCHECK(database);
database->GetHostQuota(host, kStorageTypePersistent, quota);
return true;
}
bool SetPersistentHostQuotaOnDBThread(const std::string& host,
int64* new_quota,
QuotaDatabase* database) {
DCHECK(database);
if (database->SetHostQuota(host, kStorageTypePersistent, *new_quota))
return true;
*new_quota = 0;
return false;
}
bool InitializeOnDBThread(int64* temporary_quota_override,
int64* desired_available_space,
QuotaDatabase* database) {
DCHECK(database);
database->GetQuotaConfigValue(QuotaDatabase::kTemporaryQuotaOverrideKey,
temporary_quota_override);
database->GetQuotaConfigValue(QuotaDatabase::kDesiredAvailableSpaceKey,
desired_available_space);
return true;
}
bool GetLRUOriginOnDBThread(StorageType type,
std::set<GURL>* exceptions,
SpecialStoragePolicy* policy,
GURL* url,
QuotaDatabase* database) {
DCHECK(database);
database->GetLRUOrigin(type, *exceptions, policy, url);
return true;
}
bool DeleteOriginInfoOnDBThread(const GURL& origin,
StorageType type,
QuotaDatabase* database) {
DCHECK(database);
return database->DeleteOriginInfo(origin, type);
}
bool InitializeTemporaryOriginsInfoOnDBThread(const std::set<GURL>* origins,
QuotaDatabase* database) {
DCHECK(database);
if (database->IsOriginDatabaseBootstrapped())
return true;
// Register existing origins with 0 last time access.
if (database->RegisterInitialOriginInfo(*origins, kStorageTypeTemporary)) {
database->SetOriginDatabaseBootstrapped(true);
return true;
}
return false;
}
bool UpdateAccessTimeOnDBThread(const GURL& origin,
StorageType type,
base::Time accessed_time,
QuotaDatabase* database) {
DCHECK(database);
return database->SetOriginLastAccessTime(origin, type, accessed_time);
}
bool UpdateModifiedTimeOnDBThread(const GURL& origin,
StorageType type,
base::Time modified_time,
QuotaDatabase* database) {
DCHECK(database);
return database->SetOriginLastModifiedTime(origin, type, modified_time);
}
} // anonymous namespace
const int64 QuotaManager::kNoLimit = kint64max;
const int QuotaManager::kPerHostTemporaryPortion = 5; // 20%
const char QuotaManager::kDatabaseName[] = "QuotaManager";
const int QuotaManager::kThresholdOfErrorsToBeBlacklisted = 3;
const int QuotaManager::kEvictionIntervalInMilliSeconds =
30 * kMinutesInMilliSeconds;
// Heuristics: assuming average cloud server allows a few Gigs storage
// on the server side and the storage needs to be shared for user data
// and by multiple apps.
int64 QuotaManager::kSyncableStorageDefaultHostQuota = 500 * kMBytes;
// Callback translators.
void CallGetUsageAndQuotaCallback(
const QuotaManager::GetUsageAndQuotaCallback& callback,
bool unlimited,
bool is_installed_app,
QuotaStatusCode status,
const QuotaAndUsage& quota_and_usage) {
int64 usage;
int64 quota;
if (unlimited) {
usage = quota_and_usage.unlimited_usage;
quota = is_installed_app ? quota_and_usage.available_disk_space :
QuotaManager::kNoLimit;
} else {
usage = quota_and_usage.usage;
quota = quota_and_usage.quota;
}
callback.Run(status, usage, quota);
}
void CallQuotaCallback(
const QuotaCallback& callback,
QuotaStatusCode status,
const QuotaAndUsage& quota_and_usage) {
callback.Run(status, quota_and_usage.quota);
}
// This class is for posting GetUsage/GetQuota tasks, gathering
// results and dispatching GetAndQuota callbacks.
// This class is self-destructed.
class QuotaManager::UsageAndQuotaDispatcherTask : public QuotaTask {
public:
typedef UsageAndQuotaDispatcherCallback Callback;
typedef std::deque<Callback> CallbackList;
static UsageAndQuotaDispatcherTask* Create(
QuotaManager* manager,
bool global,
const HostAndType& host_and_type);
// Returns true if it is the first call for this task; which means
// the caller needs to call Start().
bool AddCallback(const Callback& callback) {
callbacks_.push_back(callback);
return (callbacks_.size() == 1);
}
void DidGetGlobalUsage(StorageType type, int64 usage, int64 unlimited_usage) {
DCHECK_EQ(this->type(), type);
DCHECK_GE(usage, unlimited_usage);
if (quota_status_ == kQuotaStatusUnknown)
quota_status_ = kQuotaStatusOk;
global_usage_ = usage;
global_unlimited_usage_ = unlimited_usage;
CheckCompleted();
}
void DidGetHostUsage(const std::string& host, StorageType type, int64 usage) {
DCHECK_EQ(this->host(), host);
DCHECK_EQ(this->type(), type);
if (quota_status_ == kQuotaStatusUnknown)
quota_status_ = kQuotaStatusOk;
host_usage_ = usage;
CheckCompleted();
}
void DidGetHostQuota(const std::string& host,
StorageType type,
QuotaStatusCode status,
int64 host_quota) {
DCHECK_EQ(this->host(), host);
DCHECK_EQ(this->type(), type);
if (quota_status_ == kQuotaStatusUnknown || quota_status_ == kQuotaStatusOk)
quota_status_ = status;
host_quota_ = host_quota;
CheckCompleted();
}
void DidGetAvailableSpace(QuotaStatusCode status, int64 space) {
DCHECK_GE(space, 0);
if (quota_status_ == kQuotaStatusUnknown || quota_status_ == kQuotaStatusOk)
quota_status_ = status;
available_space_ = space;
CheckCompleted();
}
bool IsStartable() const {
return !started_ && !callbacks_.empty();
}
protected:
UsageAndQuotaDispatcherTask(
QuotaManager* manager,
const HostAndType& host_and_type)
: QuotaTask(manager),
host_and_type_(host_and_type),
started_(false),
host_quota_(-1),
global_usage_(-1),
global_unlimited_usage_(-1),
host_usage_(-1),
available_space_(-1),
quota_status_(kQuotaStatusUnknown),
waiting_callbacks_(1),
weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
virtual ~UsageAndQuotaDispatcherTask() {}
// Subclasses must implement them.
virtual void RunBody() = 0;
virtual void DispatchCallbacks() = 0;
virtual void Run() OVERRIDE {
DCHECK(!started_);
started_ = true;
RunBody();
// We initialize waiting_callbacks to 1 so that we won't run
// the completion callback until here even some of the callbacks
// are dispatched synchronously.
CheckCompleted();
}
virtual void Aborted() OVERRIDE {
CallCallbacksAndClear(kQuotaErrorAbort, 0, 0, 0, 0);
DeleteSoon();
}
virtual void Completed() OVERRIDE {
DeleteSoon();
}
void CallCallbacksAndClear(
QuotaStatusCode status,
int64 usage, int64 unlimited_usage, int64 quota,
int64 available_space) {
QuotaAndUsage qau = { usage, unlimited_usage, quota, available_space };
for (CallbackList::iterator iter = callbacks_.begin();
iter != callbacks_.end(); ++iter) {
(*iter).Run(status, qau);
}
callbacks_.clear();
}
QuotaManager* manager() const {
return static_cast<QuotaManager*>(observer());
}
std::string host() const { return host_and_type_.first; }
virtual StorageType type() const { return host_and_type_.second; }
int64 host_quota() const { return host_quota_; }
int64 global_usage() const { return global_usage_; }
int64 global_unlimited_usage() const { return global_unlimited_usage_; }
int64 host_usage() const { return host_usage_; }
int64 available_space() const { return available_space_; }
QuotaStatusCode quota_status() const { return quota_status_; }
CallbackList& callbacks() { return callbacks_; }
// The main logic that determines the temporary global quota.
int64 temporary_global_quota() const {
DCHECK_EQ(type(), kStorageTypeTemporary);
DCHECK(manager());
DCHECK_GE(global_usage(), global_unlimited_usage());
if (manager()->temporary_quota_override_ > 0) {
// If the user has specified an explicit temporary quota, use the value.
return manager()->temporary_quota_override_;
}
int64 limited_usage = global_usage() - global_unlimited_usage();
int64 avail_space = available_space();
if (avail_space < kint64max - limited_usage) {
// We basically calculate the temporary quota by
// [available_space + space_used_for_temp] * kTempQuotaRatio,
// but make sure we'll have no overflow.
avail_space += limited_usage;
}
return avail_space * kTemporaryQuotaRatioToAvail;
}
// Subclasses must call following methods to create a new 'waitable'
// callback, which decrements waiting_callbacks when it is called.
GlobalUsageCallback NewWaitableGlobalUsageCallback() {
++waiting_callbacks_;
return base::Bind(&UsageAndQuotaDispatcherTask::DidGetGlobalUsage,
weak_factory_.GetWeakPtr());
}
UsageCallback NewWaitableHostUsageCallback() {
++waiting_callbacks_;
return base::Bind(&UsageAndQuotaDispatcherTask::DidGetHostUsage,
weak_factory_.GetWeakPtr(), host(), type());
}
QuotaCallback NewWaitableHostQuotaCallback() {
++waiting_callbacks_;
return base::Bind(&UsageAndQuotaDispatcherTask::DidGetHostQuota,
weak_factory_.GetWeakPtr(), host(), type());
}
AvailableSpaceCallback NewWaitableAvailableSpaceCallback() {
++waiting_callbacks_;
return base::Bind(&UsageAndQuotaDispatcherTask::DidGetAvailableSpace,
weak_factory_.GetWeakPtr());
}
private:
void CheckCompleted() {
if (--waiting_callbacks_ <= 0) {
DispatchCallbacks();
DCHECK(callbacks_.empty());
UsageAndQuotaDispatcherTaskMap& dispatcher_map =
manager()->usage_and_quota_dispatchers_;
DCHECK(dispatcher_map.find(host_and_type_) != dispatcher_map.end());
dispatcher_map.erase(host_and_type_);
CallCompleted();
}
}
const std::string host_;
const HostAndType host_and_type_;
bool started_;
int64 host_quota_;
int64 global_usage_;
int64 global_unlimited_usage_;
int64 host_usage_;
int64 available_space_;
QuotaStatusCode quota_status_;
CallbackList callbacks_;
int waiting_callbacks_;
base::WeakPtrFactory<UsageAndQuotaDispatcherTask> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(UsageAndQuotaDispatcherTask);
};
class QuotaManager::GetUsageInfoTask : public QuotaTask {
private:
typedef QuotaManager::GetUsageInfoTask self_type;
public:
GetUsageInfoTask(
QuotaManager* manager,
const GetUsageInfoCallback& callback)
: QuotaTask(manager),
callback_(callback),
weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
}
protected:
virtual void Run() OVERRIDE {
remaining_trackers_ = 3;
// This will populate cached hosts and usage info.
manager()->GetUsageTracker(kStorageTypeTemporary)->GetGlobalUsage(
base::Bind(&GetUsageInfoTask::DidGetGlobalUsage,
weak_factory_.GetWeakPtr()));
manager()->GetUsageTracker(kStorageTypePersistent)->GetGlobalUsage(
base::Bind(&GetUsageInfoTask::DidGetGlobalUsage,
weak_factory_.GetWeakPtr()));
manager()->GetUsageTracker(kStorageTypeSyncable)->GetGlobalUsage(
base::Bind(&GetUsageInfoTask::DidGetGlobalUsage,
weak_factory_.GetWeakPtr()));
}
virtual void Completed() OVERRIDE {
callback_.Run(entries_);
DeleteSoon();
}
virtual void Aborted() OVERRIDE {
callback_.Run(UsageInfoEntries());
DeleteSoon();
}
private:
void AddEntries(StorageType type, UsageTracker* tracker) {
std::map<std::string, int64> host_usage;
tracker->GetCachedHostsUsage(&host_usage);
for (std::map<std::string, int64>::const_iterator iter = host_usage.begin();
iter != host_usage.end();
++iter) {
entries_.push_back(UsageInfo(iter->first, type, iter->second));
}
if (--remaining_trackers_ == 0)
CallCompleted();
}
void DidGetGlobalUsage(StorageType type, int64, int64) {
AddEntries(type, manager()->GetUsageTracker(type));
}
QuotaManager* manager() const {
return static_cast<QuotaManager*>(observer());
}
GetUsageInfoCallback callback_;
UsageInfoEntries entries_;
base::WeakPtrFactory<GetUsageInfoTask> weak_factory_;
int remaining_trackers_;
DISALLOW_COPY_AND_ASSIGN(GetUsageInfoTask);
};
class QuotaManager::UsageAndQuotaDispatcherTaskForTemporary
: public QuotaManager::UsageAndQuotaDispatcherTask {
public:
UsageAndQuotaDispatcherTaskForTemporary(
QuotaManager* manager, const HostAndType& host_and_type)
: UsageAndQuotaDispatcherTask(manager, host_and_type) {}
protected:
virtual void RunBody() OVERRIDE {
manager()->GetUsageTracker(type())->GetGlobalUsage(
NewWaitableGlobalUsageCallback());
manager()->GetUsageTracker(type())->GetHostUsage(
host(), NewWaitableHostUsageCallback());
manager()->GetAvailableSpace(NewWaitableAvailableSpaceCallback());
}
virtual void DispatchCallbacks() OVERRIDE {
// Allow an individual host to utilize a fraction of the total
// pool available for temp storage.
int64 host_quota = temporary_global_quota() / kPerHostTemporaryPortion;
// But if total temp usage is over-budget, stop letting new data in
// until we reclaim space.
DCHECK_GE(global_usage(), global_unlimited_usage());
int64 limited_global_usage = global_usage() - global_unlimited_usage();
if (limited_global_usage > temporary_global_quota())
host_quota = std::min(host_quota, host_usage());
CallCallbacksAndClear(quota_status(),
host_usage(), host_usage(), host_quota,
available_space());
}
};
class QuotaManager::UsageAndQuotaDispatcherTaskForPersistent
: public QuotaManager::UsageAndQuotaDispatcherTask {
public:
UsageAndQuotaDispatcherTaskForPersistent(
QuotaManager* manager, const HostAndType& host_and_type)
: UsageAndQuotaDispatcherTask(manager, host_and_type) {}
protected:
virtual void RunBody() OVERRIDE {
manager()->GetUsageTracker(type())->GetHostUsage(
host(), NewWaitableHostUsageCallback());
manager()->GetPersistentHostQuota(
host(), NewWaitableHostQuotaCallback());
manager()->GetAvailableSpace(NewWaitableAvailableSpaceCallback());
}
virtual void DispatchCallbacks() OVERRIDE {
CallCallbacksAndClear(quota_status(),
host_usage(), host_usage(), host_quota(),
available_space());
}
};
class QuotaManager::UsageAndQuotaDispatcherTaskForSyncable
: public QuotaManager::UsageAndQuotaDispatcherTask {
public:
UsageAndQuotaDispatcherTaskForSyncable(
QuotaManager* manager, const HostAndType& host_and_type)
: UsageAndQuotaDispatcherTask(manager, host_and_type) {}
protected:
virtual void RunBody() OVERRIDE {
manager()->GetUsageTracker(type())->GetHostUsage(
host(), NewWaitableHostUsageCallback());
}
virtual void DispatchCallbacks() OVERRIDE {
// TODO(kinuko): We should reflect the backend's actual quota instead
// of returning a fixed default value.
CallCallbacksAndClear(quota_status(),
host_usage(), host_usage(),
kSyncableStorageDefaultHostQuota,
available_space());
}
};
class QuotaManager::UsageAndQuotaDispatcherTaskForTemporaryGlobal
: public QuotaManager::UsageAndQuotaDispatcherTask {
public:
UsageAndQuotaDispatcherTaskForTemporaryGlobal(
QuotaManager* manager, const HostAndType& host_and_type)
: UsageAndQuotaDispatcherTask(manager, host_and_type) {}
protected:
virtual void RunBody() OVERRIDE {
manager()->GetUsageTracker(type())->GetGlobalUsage(
NewWaitableGlobalUsageCallback());
manager()->GetAvailableSpace(NewWaitableAvailableSpaceCallback());
}
virtual void DispatchCallbacks() OVERRIDE {
CallCallbacksAndClear(quota_status(),
global_usage(), global_unlimited_usage(),
temporary_global_quota(),
available_space());
}
virtual StorageType type() const OVERRIDE { return kStorageTypeTemporary; }
};
// static
QuotaManager::UsageAndQuotaDispatcherTask*
QuotaManager::UsageAndQuotaDispatcherTask::Create(
QuotaManager* manager, bool global,
const QuotaManager::HostAndType& host_and_type) {
if (global)
return new UsageAndQuotaDispatcherTaskForTemporaryGlobal(
manager, host_and_type);
switch (host_and_type.second) {
case kStorageTypeTemporary:
return new UsageAndQuotaDispatcherTaskForTemporary(
manager, host_and_type);
case kStorageTypePersistent:
return new UsageAndQuotaDispatcherTaskForPersistent(
manager, host_and_type);
case kStorageTypeSyncable:
return new UsageAndQuotaDispatcherTaskForSyncable(
manager, host_and_type);
default:
NOTREACHED();
}
return NULL;
}
class QuotaManager::OriginDataDeleter : public QuotaTask {
public:
OriginDataDeleter(QuotaManager* manager,
const GURL& origin,
StorageType type,
int quota_client_mask,
const StatusCallback& callback)
: QuotaTask(manager),
origin_(origin),
type_(type),
quota_client_mask_(quota_client_mask),
error_count_(0),
remaining_clients_(-1),
skipped_clients_(0),
callback_(callback),
weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
protected:
virtual void Run() OVERRIDE {
error_count_ = 0;
remaining_clients_ = manager()->clients_.size();
for (QuotaClientList::iterator iter = manager()->clients_.begin();
iter != manager()->clients_.end(); ++iter) {
if (quota_client_mask_ & (*iter)->id()) {
(*iter)->DeleteOriginData(
origin_, type_,
base::Bind(&OriginDataDeleter::DidDeleteOriginData,
weak_factory_.GetWeakPtr()));
} else {
++skipped_clients_;
if (--remaining_clients_ == 0)
CallCompleted();
}
}
}
virtual void Completed() OVERRIDE {
if (error_count_ == 0) {
// Only remove the entire origin if we didn't skip any client types.
if (skipped_clients_ == 0)
manager()->DeleteOriginFromDatabase(origin_, type_);
callback_.Run(kQuotaStatusOk);
} else {
callback_.Run(kQuotaErrorInvalidModification);
}
DeleteSoon();
}
virtual void Aborted() OVERRIDE {
callback_.Run(kQuotaErrorAbort);
DeleteSoon();
}
void DidDeleteOriginData(QuotaStatusCode status) {
DCHECK_GT(remaining_clients_, 0);
if (status != kQuotaStatusOk)
++error_count_;
if (--remaining_clients_ == 0)
CallCompleted();
}
QuotaManager* manager() const {
return static_cast<QuotaManager*>(observer());
}
GURL origin_;
StorageType type_;
int quota_client_mask_;
int error_count_;
int remaining_clients_;
int skipped_clients_;
StatusCallback callback_;
base::WeakPtrFactory<OriginDataDeleter> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(OriginDataDeleter);
};
class QuotaManager::HostDataDeleter : public QuotaTask {
public:
HostDataDeleter(QuotaManager* manager,
const std::string& host,
StorageType type,
int quota_client_mask,
const StatusCallback& callback)
: QuotaTask(manager),
host_(host),
type_(type),
quota_client_mask_(quota_client_mask),
error_count_(0),
remaining_clients_(-1),
remaining_deleters_(-1),
callback_(callback),
weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {}
protected:
virtual void Run() OVERRIDE {
error_count_ = 0;
remaining_clients_ = manager()->clients_.size();
for (QuotaClientList::iterator iter = manager()->clients_.begin();
iter != manager()->clients_.end(); ++iter) {
(*iter)->GetOriginsForHost(
type_, host_,
base::Bind(&HostDataDeleter::DidGetOriginsForHost,
weak_factory_.GetWeakPtr()));
}
}
virtual void Completed() OVERRIDE {
if (error_count_ == 0) {
callback_.Run(kQuotaStatusOk);
} else {
callback_.Run(kQuotaErrorInvalidModification);
}
DeleteSoon();
}
virtual void Aborted() OVERRIDE {
callback_.Run(kQuotaErrorAbort);
DeleteSoon();
}
void DidGetOriginsForHost(const std::set<GURL>& origins, StorageType type) {
DCHECK_GT(remaining_clients_, 0);
origins_.insert(origins.begin(), origins.end());
if (--remaining_clients_ == 0) {
if (!origins_.empty())
ScheduleOriginsDeletion();
else
CallCompleted();
}
}
void ScheduleOriginsDeletion() {
remaining_deleters_ = origins_.size();
for (std::set<GURL>::const_iterator p = origins_.begin();
p != origins_.end();
++p) {
OriginDataDeleter* deleter =
new OriginDataDeleter(
manager(), *p, type_, quota_client_mask_,
base::Bind(&HostDataDeleter::DidDeleteOriginData,
weak_factory_.GetWeakPtr()));
deleter->Start();
}
}
void DidDeleteOriginData(QuotaStatusCode status) {
DCHECK_GT(remaining_deleters_, 0);
if (status != kQuotaStatusOk)
++error_count_;
if (--remaining_deleters_ == 0)
CallCompleted();
}
QuotaManager* manager() const {
return static_cast<QuotaManager*>(observer());
}
std::string host_;
StorageType type_;
int quota_client_mask_;
std::set<GURL> origins_;
int error_count_;
int remaining_clients_;
int remaining_deleters_;
StatusCallback callback_;
base::WeakPtrFactory<HostDataDeleter> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(HostDataDeleter);
};
class QuotaManager::GetModifiedSinceHelper {
public:
bool GetModifiedSinceOnDBThread(StorageType type,
base::Time modified_since,
QuotaDatabase* database) {
DCHECK(database);
return database->GetOriginsModifiedSince(type, &origins_, modified_since);
}
void DidGetModifiedSince(QuotaManager* manager,
const GetOriginsCallback& callback,
StorageType type,
bool success) {
if (!manager) {
// The operation was aborted.
callback.Run(std::set<GURL>(), type);
return;
}
manager->DidDatabaseWork(success);
callback.Run(origins_, type);
}
private:
std::set<GURL> origins_;
};
class QuotaManager::DumpQuotaTableHelper {
public:
bool DumpQuotaTableOnDBThread(QuotaDatabase* database) {
DCHECK(database);
return database->DumpQuotaTable(
new TableCallback(base::Bind(&DumpQuotaTableHelper::AppendEntry,
base::Unretained(this))));
}
void DidDumpQuotaTable(QuotaManager* manager,
const DumpQuotaTableCallback& callback,
bool success) {
if (!manager) {
// The operation was aborted.
callback.Run(QuotaTableEntries());
return;
}
manager->DidDatabaseWork(success);
callback.Run(entries_);
}
private:
typedef QuotaDatabase::QuotaTableCallback TableCallback;
bool AppendEntry(const QuotaTableEntry& entry) {
entries_.push_back(entry);
return true;
}
QuotaTableEntries entries_;
};
class QuotaManager::DumpOriginInfoTableHelper {
public:
bool DumpOriginInfoTableOnDBThread(QuotaDatabase* database) {
DCHECK(database);
return database->DumpOriginInfoTable(
new TableCallback(base::Bind(&DumpOriginInfoTableHelper::AppendEntry,
base::Unretained(this))));
}
void DidDumpOriginInfoTable(QuotaManager* manager,
const DumpOriginInfoTableCallback& callback,
bool success) {
if (!manager) {
// The operation was aborted.
callback.Run(OriginInfoTableEntries());
return;
}
manager->DidDatabaseWork(success);
callback.Run(entries_);
}
private:
typedef QuotaDatabase::OriginInfoTableCallback TableCallback;
bool AppendEntry(const OriginInfoTableEntry& entry) {
entries_.push_back(entry);
return true;
}
OriginInfoTableEntries entries_;
};
// QuotaManager ---------------------------------------------------------------
QuotaManager::QuotaManager(bool is_incognito,
const FilePath& profile_path,
base::SingleThreadTaskRunner* io_thread,
base::SequencedTaskRunner* db_thread,
SpecialStoragePolicy* special_storage_policy)
: is_incognito_(is_incognito),
profile_path_(profile_path),
proxy_(new QuotaManagerProxy(
ALLOW_THIS_IN_INITIALIZER_LIST(this), io_thread)),
db_disabled_(false),
eviction_disabled_(false),
io_thread_(io_thread),
db_thread_(db_thread),
temporary_quota_initialized_(false),
temporary_quota_override_(-1),
desired_available_space_(-1),
special_storage_policy_(special_storage_policy),
weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
get_disk_space_fn_(&base::SysInfo::AmountOfFreeDiskSpace) {
}
void QuotaManager::GetUsageInfo(const GetUsageInfoCallback& callback) {
LazyInitialize();
GetUsageInfoTask* get_usage_info = new GetUsageInfoTask(this, callback);
get_usage_info->Start();
}
void QuotaManager::GetUsageAndQuota(
const GURL& origin, StorageType type,
const GetUsageAndQuotaCallback& callback) {
GetUsageAndQuotaInternal(
origin, type, false /* global */,
base::Bind(&CallGetUsageAndQuotaCallback, callback,
IsStorageUnlimited(origin, type), IsInstalledApp(origin)));
}
void QuotaManager::NotifyStorageAccessed(
QuotaClient::ID client_id,
const GURL& origin, StorageType type) {
NotifyStorageAccessedInternal(client_id, origin, type, base::Time::Now());
}
void QuotaManager::NotifyStorageModified(
QuotaClient::ID client_id,
const GURL& origin, StorageType type, int64 delta) {
NotifyStorageModifiedInternal(client_id, origin, type, delta,
base::Time::Now());
}
void QuotaManager::NotifyOriginInUse(const GURL& origin) {
DCHECK(io_thread_->BelongsToCurrentThread());
origins_in_use_[origin]++;
}
void QuotaManager::NotifyOriginNoLongerInUse(const GURL& origin) {
DCHECK(io_thread_->BelongsToCurrentThread());
DCHECK(IsOriginInUse(origin));
int& count = origins_in_use_[origin];
if (--count == 0)
origins_in_use_.erase(origin);
}
void QuotaManager::DeleteOriginData(
const GURL& origin, StorageType type, int quota_client_mask,
const StatusCallback& callback) {
LazyInitialize();
if (origin.is_empty() || clients_.empty()) {
callback.Run(kQuotaStatusOk);
return;
}
OriginDataDeleter* deleter =
new OriginDataDeleter(this, origin, type, quota_client_mask, callback);
deleter->Start();
}
void QuotaManager::DeleteHostData(const std::string& host,
StorageType type,
int quota_client_mask,
const StatusCallback& callback) {
LazyInitialize();
if (host.empty() || clients_.empty()) {
callback.Run(kQuotaStatusOk);
return;
}
HostDataDeleter* deleter =
new HostDataDeleter(this, host, type, quota_client_mask, callback);
deleter->Start();
}
void QuotaManager::GetAvailableSpace(const AvailableSpaceCallback& callback) {
if (is_incognito_) {
callback.Run(kQuotaStatusOk, kIncognitoDefaultTemporaryQuota);
return;
}
PostTaskAndReplyWithResult(
db_thread_,
FROM_HERE,
base::Bind(get_disk_space_fn_, profile_path_),
base::Bind(&QuotaManager::DidGetAvailableSpace,
weak_factory_.GetWeakPtr(),
callback));
}
void QuotaManager::GetTemporaryGlobalQuota(const QuotaCallback& callback) {
if (temporary_quota_override_ > 0) {
callback.Run(kQuotaStatusOk, temporary_quota_override_);
return;
}
GetUsageAndQuotaInternal(
GURL(), kStorageTypeTemporary, true /* global */,
base::Bind(&CallQuotaCallback, callback));
}
void QuotaManager::SetTemporaryGlobalOverrideQuota(
int64 new_quota, const QuotaCallback& callback) {
LazyInitialize();
if (new_quota < 0) {
if (!callback.is_null())
callback.Run(kQuotaErrorInvalidModification, -1);
return;
}
if (db_disabled_) {
if (callback.is_null())
callback.Run(kQuotaErrorInvalidAccess, -1);
return;
}
int64* new_quota_ptr = new int64(new_quota);
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&SetTemporaryGlobalOverrideQuotaOnDBThread,
base::Unretained(new_quota_ptr)),
base::Bind(&QuotaManager::DidSetTemporaryGlobalOverrideQuota,
weak_factory_.GetWeakPtr(),
callback,
base::Owned(new_quota_ptr)));
}
void QuotaManager::GetPersistentHostQuota(const std::string& host,
const QuotaCallback& callback) {
LazyInitialize();
if (host.empty()) {
// This could happen if we are called on file:///.
// TODO(kinuko) We may want to respect --allow-file-access-from-files
// command line switch.
callback.Run(kQuotaStatusOk, 0);
return;
}
int64* quota_ptr = new int64(0);
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&GetPersistentHostQuotaOnDBThread,
host,
base::Unretained(quota_ptr)),
base::Bind(&QuotaManager::DidGetPersistentHostQuota,
weak_factory_.GetWeakPtr(),
callback,
host,
base::Owned(quota_ptr)));
}
void QuotaManager::SetPersistentHostQuota(const std::string& host,
int64 new_quota,
const QuotaCallback& callback) {
LazyInitialize();
if (host.empty()) {
// This could happen if we are called on file:///.
callback.Run(kQuotaErrorNotSupported, 0);
return;
}
if (new_quota < 0) {
callback.Run(kQuotaErrorInvalidModification, -1);
return;
}
if (db_disabled_) {
callback.Run(kQuotaErrorInvalidAccess, -1);
return;
}
int64* new_quota_ptr = new int64(new_quota);
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&SetPersistentHostQuotaOnDBThread,
host,
base::Unretained(new_quota_ptr)),
base::Bind(&QuotaManager::DidSetPersistentHostQuota,
weak_factory_.GetWeakPtr(),
host,
callback,
base::Owned(new_quota_ptr)));
}
void QuotaManager::GetGlobalUsage(StorageType type,
const GlobalUsageCallback& callback) {
LazyInitialize();
GetUsageTracker(type)->GetGlobalUsage(callback);
}
void QuotaManager::GetHostUsage(const std::string& host,
StorageType type,
const UsageCallback& callback) {
LazyInitialize();
GetUsageTracker(type)->GetHostUsage(host, callback);
}
void QuotaManager::GetStatistics(
std::map<std::string, std::string>* statistics) {
DCHECK(statistics);
if (temporary_storage_evictor_.get()) {
std::map<std::string, int64> stats;
temporary_storage_evictor_->GetStatistics(&stats);
for (std::map<std::string, int64>::iterator p = stats.begin();
p != stats.end();
++p)
(*statistics)[p->first] = base::Int64ToString(p->second);
}
}
bool QuotaManager::IsStorageUnlimited(const GURL& origin,
StorageType type) const {
// For syncable storage we should always enforce quota (since the
// quota must be capped by the server limit).
if (type == kStorageTypeSyncable)
return false;
return special_storage_policy_.get() &&
special_storage_policy_->IsStorageUnlimited(origin);
}
void QuotaManager::GetOriginsModifiedSince(StorageType type,
base::Time modified_since,
const GetOriginsCallback& callback) {
LazyInitialize();
GetModifiedSinceHelper* helper = new GetModifiedSinceHelper;
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&GetModifiedSinceHelper::GetModifiedSinceOnDBThread,
base::Unretained(helper),
type,
modified_since),
base::Bind(&GetModifiedSinceHelper::DidGetModifiedSince,
base::Owned(helper),
weak_factory_.GetWeakPtr(),
callback,
type));
}
bool QuotaManager::ResetUsageTracker(StorageType type) {
DCHECK(GetUsageTracker(type));
if (GetUsageTracker(type)->IsWorking())
return false;
switch (type) {
case kStorageTypeTemporary:
temporary_usage_tracker_.reset(
new UsageTracker(clients_, kStorageTypeTemporary,
special_storage_policy_));
return true;
case kStorageTypePersistent:
persistent_usage_tracker_.reset(
new UsageTracker(clients_, kStorageTypePersistent,
special_storage_policy_));
return true;
default:
NOTREACHED();
}
return true;
}
QuotaManager::~QuotaManager() {
proxy_->manager_ = NULL;
std::for_each(clients_.begin(), clients_.end(),
std::mem_fun(&QuotaClient::OnQuotaManagerDestroyed));
if (database_.get())
db_thread_->DeleteSoon(FROM_HERE, database_.release());
}
QuotaManager::EvictionContext::EvictionContext()
: evicted_type(kStorageTypeUnknown) {
}
QuotaManager::EvictionContext::~EvictionContext() {
}
void QuotaManager::LazyInitialize() {
DCHECK(io_thread_->BelongsToCurrentThread());
if (database_.get()) {
// Initialization seems to be done already.
return;
}
// Use an empty path to open an in-memory only databse for incognito.
database_.reset(new QuotaDatabase(is_incognito_ ? FilePath() :
profile_path_.AppendASCII(kDatabaseName)));
temporary_usage_tracker_.reset(
new UsageTracker(clients_, kStorageTypeTemporary,
special_storage_policy_));
persistent_usage_tracker_.reset(
new UsageTracker(clients_, kStorageTypePersistent,
special_storage_policy_));
syncable_usage_tracker_.reset(
new UsageTracker(clients_, kStorageTypeSyncable,
special_storage_policy_));
int64* temporary_quota_override = new int64(-1);
int64* desired_available_space = new int64(-1);
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&InitializeOnDBThread,
base::Unretained(temporary_quota_override),
base::Unretained(desired_available_space)),
base::Bind(&QuotaManager::DidInitialize,
weak_factory_.GetWeakPtr(),
base::Owned(temporary_quota_override),
base::Owned(desired_available_space)));
}
void QuotaManager::RegisterClient(QuotaClient* client) {
DCHECK(!database_.get());
clients_.push_back(client);
}
UsageTracker* QuotaManager::GetUsageTracker(StorageType type) const {
switch (type) {
case kStorageTypeTemporary:
return temporary_usage_tracker_.get();
case kStorageTypePersistent:
return persistent_usage_tracker_.get();
case kStorageTypeSyncable:
return syncable_usage_tracker_.get();
default:
NOTREACHED();
}
return NULL;
}
void QuotaManager::GetCachedOrigins(
StorageType type, std::set<GURL>* origins) {
DCHECK(origins);
LazyInitialize();
DCHECK(GetUsageTracker(type));
GetUsageTracker(type)->GetCachedOrigins(origins);
}
void QuotaManager::NotifyStorageAccessedInternal(
QuotaClient::ID client_id,
const GURL& origin, StorageType type,
base::Time accessed_time) {
LazyInitialize();
if (type == kStorageTypeTemporary && !lru_origin_callback_.is_null()) {
// Record the accessed origins while GetLRUOrigin task is runing
// to filter out them from eviction.
access_notified_origins_.insert(origin);
}
if (db_disabled_)
return;
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&UpdateAccessTimeOnDBThread, origin, type, accessed_time),
base::Bind(&QuotaManager::DidDatabaseWork,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::NotifyStorageModifiedInternal(
QuotaClient::ID client_id,
const GURL& origin,
StorageType type,
int64 delta,
base::Time modified_time) {
LazyInitialize();
GetUsageTracker(type)->UpdateUsageCache(client_id, origin, delta);
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&UpdateModifiedTimeOnDBThread, origin, type, modified_time),
base::Bind(&QuotaManager::DidDatabaseWork,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::GetUsageAndQuotaInternal(
const GURL& origin, StorageType type, bool global,
const UsageAndQuotaDispatcherCallback& callback) {
LazyInitialize();
StorageType requested_type = type;
if (type == kStorageTypeUnknown) {
// Quota only supports temporary/persistent types.
callback.Run(kQuotaErrorNotSupported, QuotaAndUsage());
return;
}
// Special internal type for querying global usage and quota.
const int kStorageTypeTemporaryGlobal = kStorageTypeTemporary + 100;
if (global) {
DCHECK_EQ(kStorageTypeTemporary, type);
type = static_cast<StorageType>(kStorageTypeTemporaryGlobal);
}
std::string host = net::GetHostOrSpecFromURL(origin);
HostAndType host_and_type = std::make_pair(host, type);
UsageAndQuotaDispatcherTaskMap::iterator found =
usage_and_quota_dispatchers_.find(host_and_type);
if (found == usage_and_quota_dispatchers_.end()) {
UsageAndQuotaDispatcherTask* dispatcher =
UsageAndQuotaDispatcherTask::Create(this, global, host_and_type);
found = usage_and_quota_dispatchers_.insert(
std::make_pair(host_and_type, dispatcher)).first;
}
// Start the dispatcher if it is the first one and temporary_quota_override
// is already initialized iff the requested type is temporary.
// (The first dispatcher task for temporary will be kicked in
// DidInitialize if temporary_quota_initialized_ is false here.)
if (found->second->AddCallback(callback) &&
(requested_type != kStorageTypeTemporary ||
temporary_quota_initialized_)) {
found->second->Start();
}
}
void QuotaManager::DumpQuotaTable(const DumpQuotaTableCallback& callback) {
DumpQuotaTableHelper* helper = new DumpQuotaTableHelper;
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&DumpQuotaTableHelper::DumpQuotaTableOnDBThread,
base::Unretained(helper)),
base::Bind(&DumpQuotaTableHelper::DidDumpQuotaTable,
base::Owned(helper),
weak_factory_.GetWeakPtr(),
callback));
}
void QuotaManager::DumpOriginInfoTable(
const DumpOriginInfoTableCallback& callback) {
DumpOriginInfoTableHelper* helper = new DumpOriginInfoTableHelper;
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&DumpOriginInfoTableHelper::DumpOriginInfoTableOnDBThread,
base::Unretained(helper)),
base::Bind(&DumpOriginInfoTableHelper::DidDumpOriginInfoTable,
base::Owned(helper),
weak_factory_.GetWeakPtr(),
callback));
}
void QuotaManager::StartEviction() {
DCHECK(!temporary_storage_evictor_.get());
temporary_storage_evictor_.reset(new QuotaTemporaryStorageEvictor(
this, kEvictionIntervalInMilliSeconds));
if (desired_available_space_ >= 0)
temporary_storage_evictor_->set_min_available_disk_space_to_start_eviction(
desired_available_space_);
temporary_storage_evictor_->Start();
}
void QuotaManager::DeleteOriginFromDatabase(
const GURL& origin, StorageType type) {
LazyInitialize();
if (db_disabled_)
return;
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&DeleteOriginInfoOnDBThread, origin, type),
base::Bind(&QuotaManager::DidDatabaseWork,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::DidOriginDataEvicted(QuotaStatusCode status) {
DCHECK(io_thread_->BelongsToCurrentThread());
// We only try evict origins that are not in use, so basically
// deletion attempt for eviction should not fail. Let's record
// the origin if we get error and exclude it from future eviction
// if the error happens consistently (> kThresholdOfErrorsToBeBlacklisted).
if (status != kQuotaStatusOk)
origins_in_error_[eviction_context_.evicted_origin]++;
eviction_context_.evict_origin_data_callback.Run(status);
eviction_context_.evict_origin_data_callback.Reset();
}
void QuotaManager::ReportHistogram() {
GetGlobalUsage(kStorageTypeTemporary,
base::Bind(
&QuotaManager::DidGetTemporaryGlobalUsageForHistogram,
weak_factory_.GetWeakPtr()));
GetGlobalUsage(kStorageTypePersistent,
base::Bind(
&QuotaManager::DidGetPersistentGlobalUsageForHistogram,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::DidGetTemporaryGlobalUsageForHistogram(
StorageType type,
int64 usage,
int64 unlimited_usage) {
UMA_HISTOGRAM_MBYTES("Quota.GlobalUsageOfTemporaryStorage", usage);
std::set<GURL> origins;
GetCachedOrigins(type, &origins);
size_t num_origins = origins.size();
size_t protected_origins = 0;
size_t unlimited_origins = 0;
CountOriginType(origins, special_storage_policy_,
&protected_origins, &unlimited_origins);
UMA_HISTOGRAM_COUNTS("Quota.NumberOfTemporaryStorageOrigins",
num_origins);
UMA_HISTOGRAM_COUNTS("Quota.NumberOfProtectedTemporaryStorageOrigins",
protected_origins);
UMA_HISTOGRAM_COUNTS("Quota.NumberOfUnlimitedTemporaryStorageOrigins",
unlimited_origins);
}
void QuotaManager::DidGetPersistentGlobalUsageForHistogram(
StorageType type,
int64 usage,
int64 unlimited_usage) {
UMA_HISTOGRAM_MBYTES("Quota.GlobalUsageOfPersistentStorage", usage);
std::set<GURL> origins;
GetCachedOrigins(type, &origins);
size_t num_origins = origins.size();
size_t protected_origins = 0;
size_t unlimited_origins = 0;
CountOriginType(origins, special_storage_policy_,
&protected_origins, &unlimited_origins);
UMA_HISTOGRAM_COUNTS("Quota.NumberOfPersistentStorageOrigins",
num_origins);
UMA_HISTOGRAM_COUNTS("Quota.NumberOfProtectedPersistentStorageOrigins",
protected_origins);
UMA_HISTOGRAM_COUNTS("Quota.NumberOfUnlimitedPersistentStorageOrigins",
unlimited_origins);
}
void QuotaManager::GetLRUOrigin(
StorageType type,
const GetLRUOriginCallback& callback) {
LazyInitialize();
// This must not be called while there's an in-flight task.
DCHECK(lru_origin_callback_.is_null());
lru_origin_callback_ = callback;
if (db_disabled_) {
lru_origin_callback_.Run(GURL());
lru_origin_callback_.Reset();
return;
}
std::set<GURL>* exceptions = new std::set<GURL>;
for (std::map<GURL, int>::const_iterator p = origins_in_use_.begin();
p != origins_in_use_.end();
++p) {
if (p->second > 0)
exceptions->insert(p->first);
}
for (std::map<GURL, int>::const_iterator p = origins_in_error_.begin();
p != origins_in_error_.end();
++p) {
if (p->second > QuotaManager::kThresholdOfErrorsToBeBlacklisted)
exceptions->insert(p->first);
}
GURL* url = new GURL;
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&GetLRUOriginOnDBThread,
type,
base::Owned(exceptions),
special_storage_policy_,
base::Unretained(url)),
base::Bind(&QuotaManager::DidGetLRUOrigin,
weak_factory_.GetWeakPtr(),
base::Owned(url)));
}
void QuotaManager::EvictOriginData(
const GURL& origin,
StorageType type,
const EvictOriginDataCallback& callback) {
DCHECK(io_thread_->BelongsToCurrentThread());
DCHECK_EQ(type, kStorageTypeTemporary);
eviction_context_.evicted_origin = origin;
eviction_context_.evicted_type = type;
eviction_context_.evict_origin_data_callback = callback;
DeleteOriginData(origin, type, QuotaClient::kAllClientsMask,
base::Bind(&QuotaManager::DidOriginDataEvicted,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::GetUsageAndQuotaForEviction(
const GetUsageAndQuotaForEvictionCallback& callback) {
DCHECK(io_thread_->BelongsToCurrentThread());
GetUsageAndQuotaInternal(
GURL(), kStorageTypeTemporary, true /* global */, callback);
}
void QuotaManager::DidSetTemporaryGlobalOverrideQuota(
const QuotaCallback& callback,
const int64* new_quota,
bool success) {
QuotaStatusCode status = kQuotaErrorInvalidAccess;
DidDatabaseWork(success);
if (success) {
temporary_quota_override_ = *new_quota;
status = kQuotaStatusOk;
}
if (callback.is_null())
return;
callback.Run(status, *new_quota);
}
void QuotaManager::DidGetPersistentHostQuota(const QuotaCallback& callback,
const std::string& host,
const int64* quota,
bool success) {
DidDatabaseWork(success);
callback.Run(kQuotaStatusOk, *quota);
}
void QuotaManager::DidSetPersistentHostQuota(const std::string& host,
const QuotaCallback& callback,
const int64* new_quota,
bool success) {
DidDatabaseWork(success);
callback.Run(success ? kQuotaStatusOk : kQuotaErrorInvalidAccess, *new_quota);
}
void QuotaManager::DidInitialize(int64* temporary_quota_override,
int64* desired_available_space,
bool success) {
temporary_quota_override_ = *temporary_quota_override;
desired_available_space_ = *desired_available_space;
temporary_quota_initialized_ = true;
DidDatabaseWork(success);
histogram_timer_.Start(FROM_HERE,
base::TimeDelta::FromMilliseconds(
kReportHistogramInterval),
this, &QuotaManager::ReportHistogram);
DCHECK(temporary_quota_initialized_);
// Kick the tasks that have been waiting for the
// temporary_quota_initialized_ to be initialized (if there're any).
for (UsageAndQuotaDispatcherTaskMap::iterator iter =
usage_and_quota_dispatchers_.begin();
iter != usage_and_quota_dispatchers_.end(); ++iter) {
if (iter->second->IsStartable())
iter->second->Start();
}
// Kick the first GetTemporaryGlobalQuota. This internally fetches (and
// caches) the usage of all origins and checks the available disk space.
GetTemporaryGlobalQuota(
base::Bind(&QuotaManager::DidGetInitialTemporaryGlobalQuota,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::DidGetLRUOrigin(const GURL* origin,
bool success) {
DidDatabaseWork(success);
// Make sure the returned origin is (still) not in the origin_in_use_ set
// and has not been accessed since we posted the task.
if (origins_in_use_.find(*origin) != origins_in_use_.end() ||
access_notified_origins_.find(*origin) != access_notified_origins_.end())
lru_origin_callback_.Run(GURL());
else
lru_origin_callback_.Run(*origin);
access_notified_origins_.clear();
lru_origin_callback_.Reset();
}
void QuotaManager::DidGetInitialTemporaryGlobalQuota(
QuotaStatusCode status, int64 quota_unused) {
if (eviction_disabled_)
return;
std::set<GURL>* origins = new std::set<GURL>;
temporary_usage_tracker_->GetCachedOrigins(origins);
// This will call the StartEviction() when initial origin registration
// is completed.
PostTaskAndReplyWithResultForDBThread(
FROM_HERE,
base::Bind(&InitializeTemporaryOriginsInfoOnDBThread,
base::Owned(origins)),
base::Bind(&QuotaManager::DidInitializeTemporaryOriginsInfo,
weak_factory_.GetWeakPtr()));
}
void QuotaManager::DidInitializeTemporaryOriginsInfo(bool success) {
DidDatabaseWork(success);
if (success)
StartEviction();
}
void QuotaManager::DidGetAvailableSpace(const AvailableSpaceCallback& callback,
int64 space) {
callback.Run(kQuotaStatusOk, space);
}
void QuotaManager::DidDatabaseWork(bool success) {
db_disabled_ = !success;
}
void QuotaManager::DeleteOnCorrectThread() const {
if (!io_thread_->BelongsToCurrentThread() &&
io_thread_->DeleteSoon(FROM_HERE, this)) {
return;
}
delete this;
}
void QuotaManager::PostTaskAndReplyWithResultForDBThread(
const tracked_objects::Location& from_here,
const base::Callback<bool(QuotaDatabase*)>& task,
const base::Callback<void(bool)>& reply) {
// Deleting manager will post another task to DB thread to delete
// |database_|, therefore we can be sure that database_ is alive when this
// task runs.
base::PostTaskAndReplyWithResult(
db_thread_,
from_here,
base::Bind(task, base::Unretained(database_.get())),
reply);
}
// QuotaManagerProxy ----------------------------------------------------------
void QuotaManagerProxy::RegisterClient(QuotaClient* client) {
if (!io_thread_->BelongsToCurrentThread() &&
io_thread_->PostTask(
FROM_HERE,
base::Bind(&QuotaManagerProxy::RegisterClient, this, client))) {
return;
}
if (manager_)
manager_->RegisterClient(client);
else
client->OnQuotaManagerDestroyed();
}
void QuotaManagerProxy::NotifyStorageAccessed(
QuotaClient::ID client_id,
const GURL& origin,
StorageType type) {
if (!io_thread_->BelongsToCurrentThread()) {
io_thread_->PostTask(
FROM_HERE,
base::Bind(&QuotaManagerProxy::NotifyStorageAccessed, this, client_id,
origin, type));
return;
}
if (manager_)
manager_->NotifyStorageAccessed(client_id, origin, type);
}
void QuotaManagerProxy::NotifyStorageModified(
QuotaClient::ID client_id,
const GURL& origin,
StorageType type,
int64 delta) {
if (!io_thread_->BelongsToCurrentThread()) {
io_thread_->PostTask(
FROM_HERE,
base::Bind(&QuotaManagerProxy::NotifyStorageModified, this, client_id,
origin, type, delta));
return;
}
if (manager_)
manager_->NotifyStorageModified(client_id, origin, type, delta);
}
void QuotaManagerProxy::NotifyOriginInUse(
const GURL& origin) {
if (!io_thread_->BelongsToCurrentThread()) {
io_thread_->PostTask(
FROM_HERE,
base::Bind(&QuotaManagerProxy::NotifyOriginInUse, this, origin));
return;
}
if (manager_)
manager_->NotifyOriginInUse(origin);
}
void QuotaManagerProxy::NotifyOriginNoLongerInUse(
const GURL& origin) {
if (!io_thread_->BelongsToCurrentThread()) {
io_thread_->PostTask(
FROM_HERE,
base::Bind(&QuotaManagerProxy::NotifyOriginNoLongerInUse, this,
origin));
return;
}
if (manager_)
manager_->NotifyOriginNoLongerInUse(origin);
}
QuotaManager* QuotaManagerProxy::quota_manager() const {
DCHECK(!io_thread_ || io_thread_->BelongsToCurrentThread());
return manager_;
}
QuotaManagerProxy::QuotaManagerProxy(
QuotaManager* manager, base::SingleThreadTaskRunner* io_thread)
: manager_(manager), io_thread_(io_thread) {
}
QuotaManagerProxy::~QuotaManagerProxy() {
}
} // namespace quota