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/*
* Copyright (C) 2010 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.
*/
#if ENABLE(PLUGIN_PROCESS)
#include "PluginProcessProxy.h"
#include "MachPort.h"
#include "PluginProcessCreationParameters.h"
#include "PluginProcessManager.h"
#include "PluginProcessMessages.h"
#include "RunLoop.h"
#include "WebCoreArgumentCoders.h"
#include "WebProcessProxy.h"
namespace WebKit {
PassOwnPtr<PluginProcessProxy> PluginProcessProxy::create(PluginProcessManager* PluginProcessManager, const PluginInfoStore::Plugin& pluginInfo)
{
return adoptPtr(new PluginProcessProxy(PluginProcessManager, pluginInfo));
}
PluginProcessProxy::PluginProcessProxy(PluginProcessManager* PluginProcessManager, const PluginInfoStore::Plugin& pluginInfo)
: m_pluginProcessManager(PluginProcessManager)
, m_pluginInfo(pluginInfo)
, m_numPendingConnectionRequests(0)
{
ProcessLauncher::LaunchOptions launchOptions;
launchOptions.processType = ProcessLauncher::PluginProcess;
#if PLATFORM(MAC)
launchOptions.architecture = pluginInfo.pluginArchitecture;
#endif
m_processLauncher = ProcessLauncher::create(this, launchOptions);
}
PluginProcessProxy::~PluginProcessProxy()
{
}
// Asks the plug-in process to create a new connection to a web process. The connection identifier will be
// encoded in the given argument encoder and sent back to the connection of the given web process.
void PluginProcessProxy::createWebProcessConnection(WebProcessProxy* webProcessProxy, CoreIPC::ArgumentEncoder* reply)
{
m_pendingConnectionReplies.append(make_pair(webProcessProxy, reply));
if (m_processLauncher->isLaunching()) {
m_numPendingConnectionRequests++;
return;
}
// Ask the plug-in process to create a connection.
m_connection->send(Messages::PluginProcess::CreateWebProcessConnection(), 0);
}
void PluginProcessProxy::pluginProcessCrashedOrFailedToLaunch()
{
// The plug-in process must have crashed or exited, send any pending sync replies we might have.
while (!m_pendingConnectionReplies.isEmpty()) {
RefPtr<WebProcessProxy> replyWebProcessProxy = m_pendingConnectionReplies.first().first.release();
CoreIPC::ArgumentEncoder* reply = m_pendingConnectionReplies.first().second;
m_pendingConnectionReplies.removeFirst();
// FIXME: This is Mac specific.
reply->encode(CoreIPC::MachPort(0, MACH_MSG_TYPE_MOVE_SEND));
replyWebProcessProxy->connection()->sendSyncReply(reply);
}
// Tell the plug-in process manager to forget about this plug-in process proxy.
m_pluginProcessManager->removePluginProcessProxy(this);
delete this;
}
void PluginProcessProxy::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
{
didReceivePluginProcessProxyMessage(connection, messageID, arguments);
}
void PluginProcessProxy::didClose(CoreIPC::Connection*)
{
pluginProcessCrashedOrFailedToLaunch();
}
void PluginProcessProxy::didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID)
{
}
void PluginProcessProxy::didFinishLaunching(ProcessLauncher*, CoreIPC::Connection::Identifier connectionIdentifier)
{
ASSERT(!m_connection);
if (!connectionIdentifier) {
pluginProcessCrashedOrFailedToLaunch();
return;
}
m_connection = CoreIPC::Connection::createServerConnection(connectionIdentifier, this, RunLoop::main());
m_connection->open();
PluginProcessCreationParameters parameters;
parameters.pluginPath = m_pluginInfo.path;
platformInitializePluginProcess(parameters);
// Initialize the plug-in host process.
m_connection->send(Messages::PluginProcess::Initialize(parameters), 0);
// Send all our pending requests.
for (unsigned i = 0; i < m_numPendingConnectionRequests; ++i)
m_connection->send(Messages::PluginProcess::CreateWebProcessConnection(), 0);
m_numPendingConnectionRequests = 0;
}
void PluginProcessProxy::didCreateWebProcessConnection(const CoreIPC::MachPort& machPort)
{
ASSERT(!m_pendingConnectionReplies.isEmpty());
// Grab the first pending connection reply.
RefPtr<WebProcessProxy> replyWebProcessProxy = m_pendingConnectionReplies.first().first.release();
CoreIPC::ArgumentEncoder* reply = m_pendingConnectionReplies.first().second;
m_pendingConnectionReplies.removeFirst();
// FIXME: This is Mac specific.
reply->encode(CoreIPC::MachPort(machPort.port(), MACH_MSG_TYPE_MOVE_SEND));
replyWebProcessProxy->connection()->sendSyncReply(reply);
}
} // namespace WebKit
#endif // ENABLE(PLUGIN_PROCESS)
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