D-Bus API: Add GetDataPlans, DataPlansUpdate, and RequestDataPlansUpdate

src/cashew_server.h

 // Copyright (c) 2010 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 SRC_CASHEW_SERVER_H_
 #define SRC_CASHEW_SERVER_H_
 
-#include <base/basictypes.h>
-#include <dbus-c++/dbus.h>
+#include <map>
+#include <string>
+#include <vector>
+
+#include <base/basictypes.h>  // NOLINT
+#include <dbus-c++/dbus.h>  // NOLINT
 
 #include "src/cashew_server_glue.h"
 
 namespace cashew {
 
+typedef std::map<std::string, DBus::Variant> DataPlan;
+typedef std::vector<DataPlan> DataPlanList;
+
 // Implements Cashew D-Bus API
 class CashewServer : public org::chromium::Cashew_adaptor,
                      public DBus::IntrospectableAdaptor,
                      public DBus::ObjectAdaptor {
   public:
     explicit CashewServer(DBus::Connection& connection);  // NOLINT
     virtual ~CashewServer() {}
 
     // Cashew D-Bus API methods
-    // TODO(vlaviano): add real API methods
 
+    // Get data plan info for a cellular service
+    virtual DataPlanList GetDataPlans(const std::string& service,
+                                      DBus::Error& error);  // NOLINT
+
+    // Request that a DataPlansUpdate signal be sent for a cellular service
+    virtual void RequestDataPlansUpdate(const std::string& service,
+                                        DBus::Error& error);  // NOLINT
+
+    // Test method to verify that Cashew service is working
     virtual bool IsAlive(DBus::Error& error);  // NOLINT
 
     static const char* kServiceName;
     static const char* kServicePath;
 
   private:
+    // Emit a DataPlansUpdate signal for a service
+    void EmitDataPlansUpdateSignal(const std::string& service);
+
+    // Fill in data plan with hardcoded data for testing
+    void GetHardcodedDataPlan(DataPlan* data_plan);
+
     DISALLOW_COPY_AND_ASSIGN(CashewServer);
 };
 
 }  // namespace cashew
 
 #endif  // SRC_CASHEW_SERVER_H_