mojo/spy/spy.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_SPY_SPY_H_
   6 #define MOJO_SPY_SPY_H_
   7
   8 #include <string>
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11
  12 namespace base {
  13 class Thread;
  14 }
  15
  16 namespace mojo {
  17
  18 class ApplicationManager;
  19 class SpyServerImpl;
  20
  21 // mojo::Spy is a troubleshooting and debugging aid. It helps tracking
  22 // the mojo system core activities like messages, service creation, etc.
  23 //
  24 // The |options| parameter in the constructor comes from the command
  25 // line of the mojo_shell. Which takes --spy=<options>. Each option is
  26 // separated by ',' and each option is a key+ value pair separated by ':'.
  27 //
  28 // For example --spy=port:13333
  29 //
  30 class Spy {
  31  public:
  32   Spy(mojo::ApplicationManager* application_manager,
  33       const std::string& options);
  34   ~Spy();
  35
  36  private:
  37   scoped_refptr<SpyServerImpl> spy_server_;
  38   // This thread runs the code that talks to the frontend.
  39   scoped_ptr<base::Thread> control_thread_;
  40 };
  41
  42 }  // namespace mojo
  43
  44 #endif  // MOJO_SPY_SPY_H_