mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
d8e503c38b
--HG-- rename : tools/trace-malloc/bloatblame.c => tools/trace-malloc/bloatblame.cpp
457 lines
13 KiB
C++
457 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozStorage.
|
|
*
|
|
* The Initial Developer of the Original Code is the Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
|
|
* Shawn Wilsher <me@shawnwilsher.com>
|
|
* John Zhang <jzhang@aptana.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
|
|
#include "nsError.h"
|
|
#include "nsMemory.h"
|
|
#include "nsProxyRelease.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "nsIClassInfoImpl.h"
|
|
#include "nsIProgrammingLanguage.h"
|
|
#include "Variant.h"
|
|
|
|
#include "mozIStorageError.h"
|
|
|
|
#include "mozStorageBindingParams.h"
|
|
#include "mozStorageConnection.h"
|
|
#include "mozStorageAsyncStatementJSHelper.h"
|
|
#include "mozStorageAsyncStatementParams.h"
|
|
#include "mozStoragePrivateHelpers.h"
|
|
#include "mozStorageStatementRow.h"
|
|
#include "mozStorageStatement.h"
|
|
|
|
#include "prlog.h"
|
|
|
|
#ifdef PR_LOGGING
|
|
extern PRLogModuleInfo *gStorageLog;
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace storage {
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// nsIClassInfo
|
|
|
|
NS_IMPL_CI_INTERFACE_GETTER4(
|
|
AsyncStatement
|
|
, mozIStorageAsyncStatement
|
|
, mozIStorageBaseStatement
|
|
, mozIStorageBindingParams
|
|
, mozilla::storage::StorageBaseStatementInternal
|
|
)
|
|
|
|
class AsyncStatementClassInfo : public nsIClassInfo
|
|
{
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHODIMP
|
|
GetInterfaces(PRUint32 *_count, nsIID ***_array)
|
|
{
|
|
return NS_CI_INTERFACE_GETTER_NAME(AsyncStatement)(_count, _array);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetHelperForLanguage(PRUint32 aLanguage, nsISupports **_helper)
|
|
{
|
|
if (aLanguage == nsIProgrammingLanguage::JAVASCRIPT) {
|
|
static AsyncStatementJSHelper sJSHelper;
|
|
*_helper = &sJSHelper;
|
|
return NS_OK;
|
|
}
|
|
|
|
*_helper = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetContractID(char **_contractID)
|
|
{
|
|
*_contractID = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetClassDescription(char **_desc)
|
|
{
|
|
*_desc = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetClassID(nsCID **_id)
|
|
{
|
|
*_id = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetImplementationLanguage(PRUint32 *_language)
|
|
{
|
|
*_language = nsIProgrammingLanguage::CPLUSPLUS;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetFlags(PRUint32 *_flags)
|
|
{
|
|
*_flags = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
GetClassIDNoAlloc(nsCID *_cid)
|
|
{
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
};
|
|
|
|
NS_IMETHODIMP_(nsrefcnt) AsyncStatementClassInfo::AddRef() { return 2; }
|
|
NS_IMETHODIMP_(nsrefcnt) AsyncStatementClassInfo::Release() { return 1; }
|
|
NS_IMPL_QUERY_INTERFACE1(AsyncStatementClassInfo, nsIClassInfo)
|
|
|
|
static AsyncStatementClassInfo sAsyncStatementClassInfo;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// AsyncStatement
|
|
|
|
AsyncStatement::AsyncStatement()
|
|
: StorageBaseStatementInternal()
|
|
, mFinalized(false)
|
|
{
|
|
}
|
|
|
|
nsresult
|
|
AsyncStatement::initialize(Connection *aDBConnection,
|
|
const nsACString &aSQLStatement)
|
|
{
|
|
NS_ASSERTION(aDBConnection, "No database connection given!");
|
|
NS_ASSERTION(aDBConnection->GetNativeConnection(),
|
|
"We should never be called with a null sqlite3 database!");
|
|
|
|
mDBConnection = aDBConnection;
|
|
mSQLString = aSQLStatement;
|
|
|
|
#ifdef PR_LOGGING
|
|
PR_LOG(gStorageLog, PR_LOG_NOTICE, ("Inited async statement '%s' (0x%p)",
|
|
mSQLString.get()));
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
// We want to try and test for LIKE and that consumers are using
|
|
// escapeStringForLIKE instead of just trusting user input. The idea to
|
|
// check to see if they are binding a parameter after like instead of just
|
|
// using a string. We only do this in debug builds because it's expensive!
|
|
const nsCaseInsensitiveCStringComparator c;
|
|
nsACString::const_iterator start, end, e;
|
|
aSQLStatement.BeginReading(start);
|
|
aSQLStatement.EndReading(end);
|
|
e = end;
|
|
while (::FindInReadable(NS_LITERAL_CSTRING(" LIKE"), start, e, c)) {
|
|
// We have a LIKE in here, so we perform our tests
|
|
// FindInReadable moves the iterator, so we have to get a new one for
|
|
// each test we perform.
|
|
nsACString::const_iterator s1, s2, s3;
|
|
s1 = s2 = s3 = start;
|
|
|
|
if (!(::FindInReadable(NS_LITERAL_CSTRING(" LIKE ?"), s1, end, c) ||
|
|
::FindInReadable(NS_LITERAL_CSTRING(" LIKE :"), s2, end, c) ||
|
|
::FindInReadable(NS_LITERAL_CSTRING(" LIKE @"), s3, end, c))) {
|
|
// At this point, we didn't find a LIKE statement followed by ?, :,
|
|
// or @, all of which are valid characters for binding a parameter.
|
|
// We will warn the consumer that they may not be safely using LIKE.
|
|
NS_WARNING("Unsafe use of LIKE detected! Please ensure that you "
|
|
"are using mozIStorageAsyncStatement::escapeStringForLIKE "
|
|
"and that you are binding that result to the statement "
|
|
"to prevent SQL injection attacks.");
|
|
}
|
|
|
|
// resetting start and e
|
|
start = e;
|
|
e = end;
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
mozIStorageBindingParams *
|
|
AsyncStatement::getParams()
|
|
{
|
|
nsresult rv;
|
|
|
|
// If we do not have an array object yet, make it.
|
|
if (!mParamsArray) {
|
|
nsCOMPtr<mozIStorageBindingParamsArray> array;
|
|
rv = NewBindingParamsArray(getter_AddRefs(array));
|
|
NS_ENSURE_SUCCESS(rv, nsnull);
|
|
|
|
mParamsArray = static_cast<BindingParamsArray *>(array.get());
|
|
}
|
|
|
|
// If there isn't already any rows added, we'll have to add one to use.
|
|
if (mParamsArray->length() == 0) {
|
|
nsRefPtr<AsyncBindingParams> params(new AsyncBindingParams(mParamsArray));
|
|
NS_ENSURE_TRUE(params, nsnull);
|
|
|
|
rv = mParamsArray->AddParams(params);
|
|
NS_ENSURE_SUCCESS(rv, nsnull);
|
|
|
|
// We have to unlock our params because AddParams locks them. This is safe
|
|
// because no reference to the params object was, or ever will be given out.
|
|
params->unlock(nsnull);
|
|
|
|
// We also want to lock our array at this point - we don't want anything to
|
|
// be added to it.
|
|
mParamsArray->lock();
|
|
}
|
|
|
|
return *mParamsArray->begin();
|
|
}
|
|
|
|
/**
|
|
* If we are here then we know there are no pending async executions relying on
|
|
* us (StatementData holds a reference to us; this also goes for our own
|
|
* AsyncStatementFinalizer which proxies its release to the calling thread) and
|
|
* so it is always safe to destroy our sqlite3_stmt if one exists. We can be
|
|
* destroyed on the caller thread by garbage-collection/reference counting or on
|
|
* the async thread by the last execution of a statement that already lost its
|
|
* main-thread refs.
|
|
*/
|
|
AsyncStatement::~AsyncStatement()
|
|
{
|
|
destructorAsyncFinalize();
|
|
cleanupJSHelpers();
|
|
|
|
// If we are getting destroyed on the wrong thread, proxy the connection
|
|
// release to the right thread. I'm not sure why we do this.
|
|
bool onCallingThread = false;
|
|
(void)mDBConnection->threadOpenedOn->IsOnCurrentThread(&onCallingThread);
|
|
if (!onCallingThread) {
|
|
// NS_ProxyRelase only magic forgets for us if mDBConnection is an
|
|
// nsCOMPtr. Which it is not; it's an nsRefPtr.
|
|
Connection *forgottenConn = nsnull;
|
|
mDBConnection.swap(forgottenConn);
|
|
(void)::NS_ProxyRelease(forgottenConn->threadOpenedOn,
|
|
static_cast<mozIStorageConnection *>(forgottenConn));
|
|
}
|
|
}
|
|
|
|
void
|
|
AsyncStatement::cleanupJSHelpers()
|
|
{
|
|
// We are considered dead at this point, so any wrappers for row or params
|
|
// need to lose their reference to us.
|
|
if (mStatementParamsHolder) {
|
|
nsCOMPtr<nsIXPConnectWrappedNative> wrapper =
|
|
do_QueryInterface(mStatementParamsHolder);
|
|
nsCOMPtr<mozIStorageStatementParams> iParams =
|
|
do_QueryWrappedNative(wrapper);
|
|
AsyncStatementParams *params =
|
|
static_cast<AsyncStatementParams *>(iParams.get());
|
|
params->mStatement = nsnull;
|
|
mStatementParamsHolder = nsnull;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// nsISupports
|
|
|
|
NS_IMPL_THREADSAFE_ADDREF(AsyncStatement)
|
|
NS_IMPL_THREADSAFE_RELEASE(AsyncStatement)
|
|
|
|
NS_INTERFACE_MAP_BEGIN(AsyncStatement)
|
|
NS_INTERFACE_MAP_ENTRY(mozIStorageAsyncStatement)
|
|
NS_INTERFACE_MAP_ENTRY(mozIStorageBaseStatement)
|
|
NS_INTERFACE_MAP_ENTRY(mozIStorageBindingParams)
|
|
NS_INTERFACE_MAP_ENTRY(mozilla::storage::StorageBaseStatementInternal)
|
|
if (aIID.Equals(NS_GET_IID(nsIClassInfo))) {
|
|
foundInterface = static_cast<nsIClassInfo *>(&sAsyncStatementClassInfo);
|
|
}
|
|
else
|
|
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, mozIStorageAsyncStatement)
|
|
NS_INTERFACE_MAP_END
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// StorageBaseStatementInternal
|
|
|
|
Connection *
|
|
AsyncStatement::getOwner()
|
|
{
|
|
return mDBConnection;
|
|
}
|
|
|
|
int
|
|
AsyncStatement::getAsyncStatement(sqlite3_stmt **_stmt)
|
|
{
|
|
#ifdef DEBUG
|
|
// Make sure we are never called on the connection's owning thread.
|
|
bool onOpenedThread = false;
|
|
(void)mDBConnection->threadOpenedOn->IsOnCurrentThread(&onOpenedThread);
|
|
NS_ASSERTION(!onOpenedThread,
|
|
"We should only be called on the async thread!");
|
|
#endif
|
|
|
|
if (!mAsyncStatement) {
|
|
int rc = prepareStmt(mDBConnection->GetNativeConnection(), mSQLString,
|
|
&mAsyncStatement);
|
|
if (rc != SQLITE_OK) {
|
|
#ifdef PR_LOGGING
|
|
PR_LOG(gStorageLog, PR_LOG_ERROR,
|
|
("Sqlite statement prepare error: %d '%s'", rc,
|
|
::sqlite3_errmsg(mDBConnection->GetNativeConnection())));
|
|
PR_LOG(gStorageLog, PR_LOG_ERROR,
|
|
("Statement was: '%s'", mSQLString.get()));
|
|
#endif
|
|
*_stmt = nsnull;
|
|
return rc;
|
|
}
|
|
|
|
#ifdef PR_LOGGING
|
|
PR_LOG(gStorageLog, PR_LOG_NOTICE, ("Initialized statement '%s' (0x%p)",
|
|
mSQLString.get(),
|
|
mAsyncStatement));
|
|
#endif
|
|
}
|
|
|
|
*_stmt = mAsyncStatement;
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
nsresult
|
|
AsyncStatement::getAsynchronousStatementData(StatementData &_data)
|
|
{
|
|
if (mFinalized)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
// Pass null for the sqlite3_stmt; it will be requested on demand from the
|
|
// async thread.
|
|
_data = StatementData(nsnull, bindingParamsArray(), this);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
already_AddRefed<mozIStorageBindingParams>
|
|
AsyncStatement::newBindingParams(mozIStorageBindingParamsArray *aOwner)
|
|
{
|
|
if (mFinalized)
|
|
return nsnull;
|
|
|
|
nsCOMPtr<mozIStorageBindingParams> params(new AsyncBindingParams(aOwner));
|
|
return params.forget();
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// mozIStorageAsyncStatement
|
|
|
|
// (nothing is specific to mozIStorageAsyncStatement)
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// StorageBaseStatementInternal
|
|
|
|
// proxy to StorageBaseStatementInternal using its define helper.
|
|
MIXIN_IMPL_STORAGEBASESTATEMENTINTERNAL(
|
|
AsyncStatement,
|
|
if (mFinalized) return NS_ERROR_UNEXPECTED;)
|
|
|
|
NS_IMETHODIMP
|
|
AsyncStatement::Finalize()
|
|
{
|
|
if (mFinalized)
|
|
return NS_OK;
|
|
|
|
mFinalized = true;
|
|
|
|
#ifdef PR_LOGGING
|
|
PR_LOG(gStorageLog, PR_LOG_NOTICE, ("Finalizing statement '%s'",
|
|
mSQLString.get()));
|
|
#endif
|
|
|
|
asyncFinalize();
|
|
cleanupJSHelpers();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AsyncStatement::BindParameters(mozIStorageBindingParamsArray *aParameters)
|
|
{
|
|
if (mFinalized)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
BindingParamsArray *array = static_cast<BindingParamsArray *>(aParameters);
|
|
if (array->getOwner() != this)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
if (array->length() == 0)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
mParamsArray = array;
|
|
mParamsArray->lock();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
AsyncStatement::GetState(PRInt32 *_state)
|
|
{
|
|
if (mFinalized)
|
|
*_state = MOZ_STORAGE_STATEMENT_INVALID;
|
|
else
|
|
*_state = MOZ_STORAGE_STATEMENT_READY;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
//// mozIStorageBindingParams
|
|
|
|
BOILERPLATE_BIND_PROXIES(
|
|
AsyncStatement,
|
|
if (mFinalized) return NS_ERROR_UNEXPECTED;
|
|
)
|
|
|
|
} // namespace storage
|
|
} // namespace mozilla
|