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/*
* Copyright (C) 2012 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 "ChildProcessProxy.h"
#include <WebCore/RunLoop.h>
using namespace WebCore;
namespace WebKit {
ChildProcessProxy::ChildProcessProxy()
{
}
ChildProcessProxy::~ChildProcessProxy()
{
if (m_connection)
m_connection->invalidate();
if (m_processLauncher) {
m_processLauncher->invalidate();
m_processLauncher = 0;
}
}
ChildProcessProxy* ChildProcessProxy::fromConnection(CoreIPC::Connection* connection)
{
ASSERT(connection);
ChildProcessProxy* childProcessProxy = static_cast<ChildProcessProxy*>(connection->client());
ASSERT(childProcessProxy->connection() == connection);
return childProcessProxy;
}
void ChildProcessProxy::connect()
{
ASSERT(!m_processLauncher);
ProcessLauncher::LaunchOptions launchOptions;
getLaunchOptions(launchOptions);
m_processLauncher = ProcessLauncher::create(this, launchOptions);
}
void ChildProcessProxy::terminate()
{
if (m_processLauncher)
m_processLauncher->terminateProcess();
}
bool ChildProcessProxy::sendMessage(PassOwnPtr<CoreIPC::MessageEncoder> encoder, unsigned messageSendFlags)
{
// If we're waiting for the web process to launch, we need to stash away the messages so we can send them once we have
// a CoreIPC connection.
if (isLaunching()) {
m_pendingMessages.append(std::make_pair(encoder, messageSendFlags));
return true;
}
// If the web process has exited, connection will be null here.
if (!m_connection)
return false;
return connection()->sendMessage(encoder, messageSendFlags);
}
void ChildProcessProxy::addMessageReceiver(CoreIPC::StringReference messageReceiverName, CoreIPC::MessageReceiver* messageReceiver)
{
m_messageReceiverMap.addMessageReceiver(messageReceiverName, messageReceiver);
}
void ChildProcessProxy::addMessageReceiver(CoreIPC::StringReference messageReceiverName, uint64_t destinationID, CoreIPC::MessageReceiver* messageReceiver)
{
m_messageReceiverMap.addMessageReceiver(messageReceiverName, destinationID, messageReceiver);
}
void ChildProcessProxy::removeMessageReceiver(CoreIPC::StringReference messageReceiverName, uint64_t destinationID)
{
m_messageReceiverMap.removeMessageReceiver(messageReceiverName, destinationID);
}
bool ChildProcessProxy::dispatchMessage(CoreIPC::Connection* connection, CoreIPC::MessageDecoder& decoder)
{
return m_messageReceiverMap.dispatchMessage(connection, decoder);
}
bool ChildProcessProxy::dispatchSyncMessage(CoreIPC::Connection* connection, CoreIPC::MessageDecoder& decoder, OwnPtr<CoreIPC::MessageEncoder>& replyEncoder)
{
return m_messageReceiverMap.dispatchSyncMessage(connection, decoder, replyEncoder);
}
bool ChildProcessProxy::isLaunching() const
{
if (m_processLauncher)
return m_processLauncher->isLaunching();
return false;
}
void ChildProcessProxy::didFinishLaunching(ProcessLauncher*, CoreIPC::Connection::Identifier connectionIdentifier)
{
ASSERT(!m_connection);
m_connection = CoreIPC::Connection::createServerConnection(connectionIdentifier, this, RunLoop::main());
#if OS(DARWIN)
m_connection->setShouldCloseConnectionOnMachExceptions();
#elif PLATFORM(QT) && !OS(WINDOWS)
m_connection->setShouldCloseConnectionOnProcessTermination(processIdentifier());
#endif
connectionWillOpen(m_connection.get());
m_connection->open();
for (size_t i = 0; i < m_pendingMessages.size(); ++i) {
OwnPtr<CoreIPC::MessageEncoder> message = m_pendingMessages[i].first.release();
unsigned messageSendFlags = m_pendingMessages[i].second;
m_connection->sendMessage(message.release(), messageSendFlags);
}
m_pendingMessages.clear();
}
void ChildProcessProxy::abortProcessLaunchIfNeeded()
{
if (!isLaunching())
return;
m_processLauncher->invalidate();
m_processLauncher = 0;
}
void ChildProcessProxy::clearConnection()
{
if (!m_connection)
return;
connectionWillClose(m_connection.get());
m_connection->invalidate();
m_connection = nullptr;
}
void ChildProcessProxy::connectionWillOpen(CoreIPC::Connection*)
{
}
void ChildProcessProxy::connectionWillClose(CoreIPC::Connection*)
{
}
} // namespace WebKit
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