Cashew: track cellular service state.

src/service_manager.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_SERVICE_MANAGER_H_
+#define SRC_SERVICE_MANAGER_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <base/basictypes.h>  // NOLINT
+#include <dbus-c++/dbus.h>  // NOLINT
+
+#include "src/flimflam_manager_client_glue.h"
+
+namespace cashew {
+
+class Service;
+
+// map of service path names to Service objects
+typedef std::map<std::string, Service*> ServiceMap;
+
+// vector of DBus::Path objects (strings) representing service path names
+typedef std::vector<DBus::Path> ServicePathList;
+
+// monitors Flimflam and maintains a collection of cellular service objects
+class ServiceManager : public org::chromium::flimflam::Manager_proxy,
+                       public DBus::IntrospectableProxy,
+                       public DBus::ObjectProxy {
+  public:
+    explicit ServiceManager(DBus::Connection& connection);  // NOLINT
+    virtual ~ServiceManager();
+
+    // look up a service by its path name
+    // returns NULL if service is not found
+    virtual const Service* GetService(const std::string& service_path) const;
+
+    // Flimflam Manager D-Bus Proxy methods
+
+    // receive incoming PropertyChanged D-Bus signal from Flimflam
+    virtual void PropertyChanged(const std::string& property_name,
+                                 const DBus::Variant& new_value);
+
+    // receive incoming StateChanged D-Bus signal from Flimflam
+    virtual void StateChanged(const std::string& new_state);
+
+  private:
+    // D-Bus connection owned by our creator
+    // shared with Service objs that we create
+    DBus::Connection& connection_;
+
+    // collection of Service objs representing cellular services
+    ServiceMap services_;
+
+    // delete a collection of services
+    void DeleteServices(ServiceMap *service_map);
+
+    // get Services info from Flimflam
+    void GetFlimflamServices();
+
+    // we've received updated Services info from Flimflam
+    void OnServicesUpdate(const ServicePathList& paths);
+
+    // Flimflam has started advertising a new service
+    void OnNewService(const DBus::Path& path);
+
+    DISALLOW_COPY_AND_ASSIGN(ServiceManager);
+};
+
+}  // namespace cashew
+
+#endif  // SRC_SERVICE_MANAGER_H_