Add new shill client for VPN

chromeos/dbus/shill_third_party_vpn_driver_client.h

Index: chromeos/dbus/shill_third_party_vpn_driver_client.h
diff --git a/chromeos/dbus/shill_third_party_vpn_driver_client.h b/chromeos/dbus/shill_third_party_vpn_driver_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..c0c790d2ad1a337129f0fdcb1bc2d99da8b937df
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+++ b/chromeos/dbus/shill_third_party_vpn_driver_client.h
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+// Copyright 2014 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 CHROMEOS_DBUS_SHILL_THIRD_PARTY_VPN_DRIVER_CLIENT_H_
+#define CHROMEOS_DBUS_SHILL_THIRD_PARTY_VPN_DRIVER_CLIENT_H_
+
+#include <stdint.h>
+
+#include "base/callback.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/dbus_client.h"
+#include "chromeos/dbus/shill_client_helper.h"
+
+namespace chromeos {
+
+class ShillThirdPartyVpnObserver;
+
+// ShillThirdPartyVpnDriverClient is used to communicate with the Shill
+// ThirdPartyVpnDriver service.
+// All methods should be called from the origin thread which initializes the
+// DBusThreadManager instance.
+class CHROMEOS_EXPORT ShillThirdPartyVpnDriverClient : public DBusClient {
+ public:
+  class TestInterface {
+   public:
+    virtual void OnPacketReceived(const std::string& object_path_value,
+                                  const std::string& packet) = 0;
+    virtual void OnPlatformMessage(const std::string& object_path_value,
+                                   uint32_t message) = 0;
+
+   protected:
+    virtual ~TestInterface() {}
+  };
+
+  ~ShillThirdPartyVpnDriverClient() override;
+
+  // Factory function, creates a new instance which is owned by the caller.
+  // For normal usage, access the singleton via DBusThreadManager::Get().
+  static ShillThirdPartyVpnDriverClient* Create();
+
+  // Adds an |observer| for the third party vpn driver at |object_path_value|.
+  virtual void AddShillThirdPartyVpnObserver(
+      const std::string& object_path_value,
+      ShillThirdPartyVpnObserver* observer) = 0;
+
+  // Removes an |observer| for the third party vpn driver at
+  // |object_path_value|.
+  virtual void RemoveShillThirdPartyVpnObserver(
+      const std::string& object_path_value) = 0;
+
+  // Calls SetParameters method.
+  // |callback| is called after the method call succeeds.
+  virtual void SetParameters(
+      const std::string& object_path_value,
+      const base::DictionaryValue& parameters,
+      const base::Closure& callback,
+      const ShillClientHelper::ErrorCallback& error_callback) = 0;
+
+  // Calls UpdateConnectionState method.
+  // |callback| is called after the method call succeeds.
+  virtual void UpdateConnectionState(
+      const std::string& object_path_value,
+      const uint32_t connection_state,
+      const base::Closure& callback,
+      const ShillClientHelper::ErrorCallback& error_callback) = 0;
+
+  // Calls SendPacket method.
+  // |callback| is called after the method call succeeds.
+  virtual void SendPacket(
+      const std::string& object_path_value,
+      const std::string& ip_packet,
+      const base::Closure& callback,
+      const ShillClientHelper::ErrorCallback& error_callback) = 0;
+
+  // Returns an interface for testing (stub only), or returns nullptr.
+  virtual ShillThirdPartyVpnDriverClient::TestInterface* GetTestInterface() = 0;
+
+ protected:
+  friend class ShillThirdPartyVpnDriverClientTest;
+
+  // Create() should be used instead.
+  ShillThirdPartyVpnDriverClient();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShillThirdPartyVpnDriverClient);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_SHILL_THIRD_PARTY_VPN_DRIVER_CLIENT_H_