Implement the broker process that launches NaCl loader processes on 64-bit Windows systems.

BUG=28176
TEST=none
Review URL: http://codereview.chromium.org/542030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@37578 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 46 insertions, 0 deletions

diff --git a/chrome/browser/nacl_host/nacl_broker_host.h b/chrome/browser/nacl_host/nacl_broker_host.h
new file mode 100644
index 0000000..f526aa1
--- /dev/null
+++ b/chrome/browser/nacl_host/nacl_broker_host.h
@@ -0,0 +1,46 @@
+// Copyright (c) 2010 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_HOST_NACL_BROKER_HOST_H_
+#define CHROME_BROWSER_NACL_HOST_NACL_BROKER_HOST_H_
+
+#include "base/basictypes.h"
+#include "base/process.h"
+#include "chrome/common/child_process_host.h"
+#include "ipc/ipc_message.h"
+
+class NaClBrokerHost : public ChildProcessHost {
+ public:
+  explicit NaClBrokerHost(ResourceDispatcherHost* resource_dispatcher_host);
+  ~NaClBrokerHost();
+
+  // This function starts the broker process. It needs to be called
+  // before loaders can be launched.
+  bool Init();
+
+  // Send a message to the broker process, causing it to launch
+  // a Native Client loader process.
+  bool LaunchLoader(const std::wstring& loader_channel_id);
+
+ private:
+  // ResourceDispatcherHost::Receiver implementation:
+  virtual URLRequestContext* GetRequestContext(
+      uint32 request_id,
+      const ViewHostMsg_Resource_Request& request_data);
+
+  virtual bool CanShutdown() { return true; }
+
+  // Handler for NaClProcessMsg_BrokerReady message (sent by the broker process)
+  void OnBrokerReady();
+  // Handler for NaClProcessMsg_LoaderLaunched message
+  void OnLoaderLaunched(const std::wstring& loader_channel_id,
+                        base::ProcessHandle handle);
+
+  // IPC::Channel::Listener
+  virtual void OnMessageReceived(const IPC::Message& msg);
+
+  DISALLOW_COPY_AND_ASSIGN(NaClBrokerHost);
+};
+
+#endif  // CHROME_BROWSER_NACL_HOST_NACL_BROKER_HOST_H_