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/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DatabaseProcessProxy.h"
#include "DatabaseProcessMessages.h"
#include "DatabaseProcessProxyMessages.h"
#include "WebProcessPool.h"
#include "WebsiteData.h"
#include <WebCore/NotImplemented.h>
#if ENABLE(DATABASE_PROCESS)
using namespace WebCore;
namespace WebKit {
static uint64_t generateCallbackID()
{
static uint64_t callbackID;
return ++callbackID;
}
Ref<DatabaseProcessProxy> DatabaseProcessProxy::create(WebProcessPool* processPool)
{
return adoptRef(*new DatabaseProcessProxy(processPool));
}
DatabaseProcessProxy::DatabaseProcessProxy(WebProcessPool* processPool)
: m_processPool(processPool)
, m_numPendingConnectionRequests(0)
{
connect();
}
DatabaseProcessProxy::~DatabaseProcessProxy()
{
ASSERT(m_pendingFetchWebsiteDataCallbacks.isEmpty());
ASSERT(m_pendingDeleteWebsiteDataCallbacks.isEmpty());
ASSERT(m_pendingDeleteWebsiteDataForOriginsCallbacks.isEmpty());
}
void DatabaseProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchOptions)
{
launchOptions.processType = ProcessLauncher::ProcessType::Database;
ChildProcessProxy::getLaunchOptions(launchOptions);
}
void DatabaseProcessProxy::processWillShutDown(IPC::Connection& connection)
{
ASSERT_UNUSED(connection, this->connection() == &connection);
}
void DatabaseProcessProxy::didReceiveMessage(IPC::Connection& connection, IPC::MessageDecoder& decoder)
{
if (decoder.messageReceiverName() == Messages::DatabaseProcessProxy::messageReceiverName()) {
didReceiveDatabaseProcessProxyMessage(connection, decoder);
return;
}
}
void DatabaseProcessProxy::fetchWebsiteData(SessionID sessionID, WebsiteDataTypes dataTypes, std::function<void (WebsiteData)> completionHandler)
{
ASSERT(canSendMessage());
uint64_t callbackID = generateCallbackID();
m_pendingFetchWebsiteDataCallbacks.add(callbackID, WTFMove(completionHandler));
send(Messages::DatabaseProcess::FetchWebsiteData(sessionID, dataTypes, callbackID), 0);
}
void DatabaseProcessProxy::deleteWebsiteData(WebCore::SessionID sessionID, WebsiteDataTypes dataTypes, std::chrono::system_clock::time_point modifiedSince, std::function<void ()> completionHandler)
{
auto callbackID = generateCallbackID();
m_pendingDeleteWebsiteDataCallbacks.add(callbackID, WTFMove(completionHandler));
send(Messages::DatabaseProcess::DeleteWebsiteData(sessionID, dataTypes, modifiedSince, callbackID), 0);
}
void DatabaseProcessProxy::deleteWebsiteDataForOrigins(SessionID sessionID, WebsiteDataTypes dataTypes, const Vector<RefPtr<WebCore::SecurityOrigin>>& origins, std::function<void ()> completionHandler)
{
ASSERT(canSendMessage());
uint64_t callbackID = generateCallbackID();
m_pendingDeleteWebsiteDataForOriginsCallbacks.add(callbackID, WTFMove(completionHandler));
Vector<SecurityOriginData> originData;
for (auto& origin : origins)
originData.append(SecurityOriginData::fromSecurityOrigin(*origin));
send(Messages::DatabaseProcess::DeleteWebsiteDataForOrigins(sessionID, dataTypes, originData, callbackID), 0);
}
void DatabaseProcessProxy::getDatabaseProcessConnection(PassRefPtr<Messages::WebProcessProxy::GetDatabaseProcessConnection::DelayedReply> reply)
{
m_pendingConnectionReplies.append(reply);
if (state() == State::Launching) {
m_numPendingConnectionRequests++;
return;
}
connection()->send(Messages::DatabaseProcess::CreateDatabaseToWebProcessConnection(), 0, IPC::DispatchMessageEvenWhenWaitingForSyncReply);
}
void DatabaseProcessProxy::didClose(IPC::Connection&)
{
// The database process must have crashed or exited, so send any pending sync replies we might have.
while (!m_pendingConnectionReplies.isEmpty()) {
auto reply = m_pendingConnectionReplies.takeFirst();
#if USE(UNIX_DOMAIN_SOCKETS) || OS(WINDOWS)
reply->send(IPC::Attachment());
#elif OS(DARWIN)
reply->send(IPC::Attachment(0, MACH_MSG_TYPE_MOVE_SEND));
#else
notImplemented();
#endif
}
for (const auto& callback : m_pendingFetchWebsiteDataCallbacks.values())
callback(WebsiteData());
m_pendingFetchWebsiteDataCallbacks.clear();
for (const auto& callback : m_pendingDeleteWebsiteDataCallbacks.values())
callback();
m_pendingDeleteWebsiteDataCallbacks.clear();
for (const auto& callback : m_pendingDeleteWebsiteDataForOriginsCallbacks.values())
callback();
m_pendingDeleteWebsiteDataForOriginsCallbacks.clear();
// Tell ProcessPool to forget about this database process. This may cause us to be deleted.
m_processPool->databaseProcessCrashed(this);
}
void DatabaseProcessProxy::didReceiveInvalidMessage(IPC::Connection&, IPC::StringReference messageReceiverName, IPC::StringReference messageName)
{
}
void DatabaseProcessProxy::didCreateDatabaseToWebProcessConnection(const IPC::Attachment& connectionIdentifier)
{
ASSERT(!m_pendingConnectionReplies.isEmpty());
RefPtr<Messages::WebProcessProxy::GetDatabaseProcessConnection::DelayedReply> reply = m_pendingConnectionReplies.takeFirst();
#if USE(UNIX_DOMAIN_SOCKETS) || OS(WINDOWS)
reply->send(connectionIdentifier);
#elif OS(DARWIN)
reply->send(IPC::Attachment(connectionIdentifier.port(), MACH_MSG_TYPE_MOVE_SEND));
#else
notImplemented();
#endif
}
void DatabaseProcessProxy::didFetchWebsiteData(uint64_t callbackID, const WebsiteData& websiteData)
{
auto callback = m_pendingFetchWebsiteDataCallbacks.take(callbackID);
callback(websiteData);
}
void DatabaseProcessProxy::didDeleteWebsiteData(uint64_t callbackID)
{
auto callback = m_pendingDeleteWebsiteDataCallbacks.take(callbackID);
callback();
}
void DatabaseProcessProxy::didDeleteWebsiteDataForOrigins(uint64_t callbackID)
{
auto callback = m_pendingDeleteWebsiteDataForOriginsCallbacks.take(callbackID);
callback();
}
void DatabaseProcessProxy::didFinishLaunching(ProcessLauncher* launcher, IPC::Connection::Identifier connectionIdentifier)
{
ChildProcessProxy::didFinishLaunching(launcher, connectionIdentifier);
if (IPC::Connection::identifierIsNull(connectionIdentifier)) {
// FIXME: Do better cleanup here.
return;
}
for (unsigned i = 0; i < m_numPendingConnectionRequests; ++i)
connection()->send(Messages::DatabaseProcess::CreateDatabaseToWebProcessConnection(), 0);
m_numPendingConnectionRequests = 0;
}
} // namespace WebKit
#endif // ENABLE(DATABASE_PROCESS)
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