1 // Copyright 2019 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 CHROME_BROWSER_CHROMEOS_DBUS_SMB_FS_SERVICE_PROVIDER_H_ 6 #define CHROME_BROWSER_CHROMEOS_DBUS_SMB_FS_SERVICE_PROVIDER_H_ 7 8 #include "base/macros.h" 9 #include "base/memory/ref_counted.h" 10 #include "base/memory/weak_ptr.h" 11 #include "chromeos/dbus/services/cros_dbus_service.h" 12 #include "dbus/exported_object.h" 13 14 namespace dbus { 15 class MethodCall; 16 } 17 18 namespace chromeos { 19 20 // SmbFsServiceProvider exposes a D-Bus method which is used by instances of 21 // SmbFs to bootstrap a Mojo IPC connection. The method by which SmbFs is 22 // started cannot be passed a file descriptor, therefore this D-Bus method is 23 // used to asynchronously associate a FD with an identified SmbFs instance. 24 class SmbFsServiceProvider : public CrosDBusService::ServiceProviderInterface { 25 public: 26 SmbFsServiceProvider(); 27 ~SmbFsServiceProvider() override; 28 29 // CrosDBusService::ServiceProviderInterface overrides: 30 void Start(scoped_refptr<dbus::ExportedObject> exported_object) override; 31 32 private: 33 // Handler for the OpenIpcChannel() D-Bus method. 34 void HandleOpenIpcChannel( 35 dbus::MethodCall* method_call, 36 dbus::ExportedObject::ResponseSender response_sender); 37 38 base::WeakPtrFactory<SmbFsServiceProvider> weak_ptr_factory_{this}; 39 40 DISALLOW_COPY_AND_ASSIGN(SmbFsServiceProvider); 41 }; 42 43 } // namespace chromeos 44 45 #endif // CHROME_BROWSER_CHROMEOS_DBUS_SMB_FS_SERVICE_PROVIDER_H_ 46