remoting/host/it2me/it2me_native_messaging_host.h

   1 // Copyright 2013 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 REMOTING_HOST_IT2ME_IT2ME_NATIVE_MESSAGING_HOST_H_
   6 #define REMOTING_HOST_IT2ME_IT2ME_NATIVE_MESSAGING_HOST_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "remoting/base/auto_thread_task_runner.h"
  12 #include "remoting/host/it2me/it2me_host.h"
  13 #include "remoting/host/native_messaging/native_messaging_channel.h"
  14
  15 namespace base {
  16 class DictionaryValue;
  17 }  // namespace base
  18
  19 namespace remoting {
  20
  21 // Implementation of the native messaging host process.
  22 class It2MeNativeMessagingHost : public It2MeHost::Observer {
  23  public:
  24   It2MeNativeMessagingHost(
  25       scoped_refptr<AutoThreadTaskRunner> task_runner,
  26       scoped_ptr<NativeMessagingChannel> channel,
  27       scoped_ptr<It2MeHostFactory> factory);
  28   virtual ~It2MeNativeMessagingHost();
  29
  30   void Start(const base::Closure& quit_closure) const;
  31
  32   // It2MeHost::Observer implementation
  33   virtual void OnClientAuthenticated(const std::string& client_username)
  34       OVERRIDE;
  35   virtual void OnStoreAccessCode(const std::string& access_code,
  36                                  base::TimeDelta access_code_lifetime) OVERRIDE;
  37   virtual void OnNatPolicyChanged(bool nat_traversal_enabled) OVERRIDE;
  38   virtual void OnStateChanged(It2MeHostState state) OVERRIDE;
  39
  40   static std::string HostStateToString(It2MeHostState host_state);
  41
  42  private:
  43   void ProcessMessage(scoped_ptr<base::DictionaryValue> message);
  44
  45   // These "Process.." methods handle specific request types. The |response|
  46   // dictionary is pre-filled by ProcessMessage() with the parts of the
  47   // response already known ("id" and "type" fields).
  48   void ProcessHello(const base::DictionaryValue& message,
  49                     scoped_ptr<base::DictionaryValue> response) const;
  50   void ProcessConnect(const base::DictionaryValue& message,
  51                       scoped_ptr<base::DictionaryValue> response);
  52   void ProcessDisconnect(const base::DictionaryValue& message,
  53                          scoped_ptr<base::DictionaryValue> response);
  54   void SendErrorAndExit(scoped_ptr<base::DictionaryValue> response,
  55                         const std::string& description) const;
  56
  57   scoped_refptr<AutoThreadTaskRunner> task_runner() const;
  58
  59   scoped_ptr<NativeMessagingChannel> channel_;
  60   scoped_ptr<It2MeHostFactory> factory_;
  61   scoped_ptr<ChromotingHostContext> host_context_;
  62   scoped_refptr<It2MeHost> it2me_host_;
  63
  64   // Cached, read-only copies of |it2me_host_| session state.
  65   It2MeHostState state_;
  66   std::string access_code_;
  67   base::TimeDelta access_code_lifetime_;
  68   std::string client_username_;
  69
  70   // IT2Me Talk server configuration used by |it2me_host_| to connect.
  71   XmppSignalStrategy::XmppServerConfig xmpp_server_config_;
  72
  73   // Chromoting Bot JID used by |it2me_host_| to register the host.
  74   std::string directory_bot_jid_;
  75
  76   base::WeakPtr<It2MeNativeMessagingHost> weak_ptr_;
  77   base::WeakPtrFactory<It2MeNativeMessagingHost> weak_factory_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(It2MeNativeMessagingHost);
  80 };
  81
  82 }  // namespace remoting
  83
  84 #endif  // REMOTING_HOST_IT2ME_IT2ME_NATIVE_MESSAGING_HOST_H_
  85