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// Copyright (c) 2009 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.
#ifndef CHROME_BROWSER_NACL_PROCESS_HOST_H_
#define CHROME_BROWSER_NACL_PROCESS_HOST_H_
#include "build/build_config.h"
#include "base/ref_counted.h"
#include "chrome/common/child_process_host.h"
#include "chrome/common/nacl_types.h"
#include "native_client/src/shared/imc/nacl_imc.h"
class ResourceMessageFilter;
// Represents the browser side of the browser <--> NaCl communication
// channel. There will be one NaClProcessHost per NaCl process
// The browser is responsible for starting the NaCl process
// when requested by the renderer.
// After that, most of the communication is directly between NaCl plugin
// running in the renderer and NaCl processes.
class NaClProcessHost : public ChildProcessHost {
public:
NaClProcessHost(ResourceDispatcherHost *resource_dispatcher_host,
const std::wstring& url);
~NaClProcessHost();
// Initialize the new NaCl process, returning true on success.
bool Launch(ResourceMessageFilter* resource_message_filter,
const int descriptor,
IPC::Message* reply_msg);
virtual void OnMessageReceived(const IPC::Message& msg);
private:
bool LaunchSelLdr();
void SendStartMessage();
virtual void OnProcessLaunched();
// ResourceDispatcherHost::Receiver implementation:
virtual URLRequestContext* GetRequestContext(
uint32 request_id,
const ViewHostMsg_Resource_Request& request_data);
virtual bool CanShutdown() { return true; }
private:
ResourceDispatcherHost* resource_dispatcher_host_;
// The ResourceMessageFilter that requested this NaCl process. We use this
// for sending the reply once the process has started.
scoped_refptr<ResourceMessageFilter> resource_message_filter_;
// The reply message to send.
IPC::Message* reply_msg_;
// The socket pair for the NaCl process.
nacl::Handle pair_[2];
// The NaCl specific descriptor for this process.
int descriptor_;
DISALLOW_COPY_AND_ASSIGN(NaClProcessHost);
};
#endif // CHROME_BROWSER_NACL_PROCESS_HOST_H_
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