Add initial sketch to shill repository

control_interface.h

Index: control_interface.h
diff --git a/control_interface.h b/control_interface.h
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+// Copyright (c) 2011 The Chromium OS 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 SHILL_CONTROL_INTERFACE_
+#define SHILL_CONTROL_INTERFACE_
+
+#include <string>
+
+namespace shill {
+
+class Manager;
+class Service;
+class Device;
+
+using std::string;
+
+// This is the Inteface for "partner" objects which are in charge of
+// RPC to the various core classes.
+class ProxyInterface {
+ public:
+  virtual void SetProperty(const string &key, const string &value) = 0;
+  virtual const string *GetProperty(const string &key) = 0;
+  virtual void ClearProperty(const string &key) = 0;
+  virtual ~ProxyInterface() {}
+};
+
+// These are the functions that a Manager proxy must support
+class ManagerProxyInterface {
+ public:
+  virtual void UpdateRunning() = 0;
+  virtual ~ManagerProxyInterface() {}
+};
+
+// These are the functions that a Manager proxy must support
+class ServiceProxyInterface {
+ public:
+  virtual void UpdateConnected() = 0;
+  virtual ~ServiceProxyInterface() {}
+};
+
+// These are the functions that a Manager proxy must support
+class DeviceProxyInterface {
+ public:
+  virtual void UpdateEnabled() = 0;
+  virtual ~DeviceProxyInterface() {}
+};
+
+// This is the Interface for an object factory that creates proxy objects
+class ControlInterface {
+ public:
+  virtual ManagerProxyInterface *CreateManagerProxy(Manager *manager) = 0;
+  virtual ServiceProxyInterface *CreateServiceProxy(Service *service) = 0;
+  virtual DeviceProxyInterface *CreateDeviceProxy(Device *device) = 0;
+  virtual ~ControlInterface() {}
+};
+
+}  // namespace shill
+#endif  // SHILL_CONTROL_INTERFACE_