Enhance the DBus interface for peerd

Add ability to query properties of
 - Manager
 - Peer
 - Service
Add Observer to peerd so we are told when things change.

BUG=453873

Review URL: https://codereview.chromium.org/893663002

Cr-Commit-Position: refs/heads/master@{#315311}

1 files changed, 26 insertions, 3 deletions

diff --git a/dbus/property.h b/dbus/property.h
index ea893dc..419da53 100644
--- a/dbus/property.h
+++ b/dbus/property.h
@@ -7,6 +7,8 @@
 
 #include <map>
 #include <string>
+#include <utility>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ -158,7 +160,7 @@ class PropertyBase {
   // no knowledge of the contained type is required, this method returns
   // true if its expected type was found, false if not.
   // Implementation provided by specialization.
-  virtual bool PopValueFromReader(MessageReader*) = 0;
+  virtual bool PopValueFromReader(MessageReader* reader) = 0;
 
   // Method used by PropertySet to append the set value to a MessageWriter,
   // no knowledge of the contained type is required.
@@ -229,7 +231,7 @@ class CHROME_DBUS_EXPORT PropertySet {
   // Methods connected by ConnectSignals() and called by dbus:: when
   // a property is changed. Sub-classes may override if the property
   // changed signal provides different arguments.
-  virtual void ChangedReceived(Signal*);
+  virtual void ChangedReceived(Signal* signal);
   virtual void ChangedConnected(const std::string& interface_name,
                                 const std::string& signal_name,
                                 bool success);
@@ -376,7 +378,7 @@ class CHROME_DBUS_EXPORT Property : public PropertyBase {
   // Method used by PropertySet to retrieve the value from a MessageReader,
   // no knowledge of the contained type is required, this method returns
   // true if its expected type was found, false if not.
-  bool PopValueFromReader(MessageReader*) override;
+  bool PopValueFromReader(MessageReader* reader) override;
 
   // Method used by PropertySet to append the set value to a MessageWriter,
   // no knowledge of the contained type is required.
@@ -398,6 +400,10 @@ class CHROME_DBUS_EXPORT Property : public PropertyBase {
     property_set()->NotifyPropertyChanged(name());
   }
 
+  // Method used by test and stub implementations to directly set the
+  // |set_value_| of a property.
+  void ReplaceSetValueForTesting(const T& value) { set_value_ = value; }
+
  private:
   // Current cached value of the property.
   T value_;
@@ -485,6 +491,23 @@ template <> void Property<std::vector<uint8> >::AppendSetValueToWriter(
   MessageWriter* writer);
 extern template class Property<std::vector<uint8> >;
 
+template <>
+bool Property<std::map<std::string, std::string>>::PopValueFromReader(
+    MessageReader* reader);
+template <>
+void Property<std::map<std::string, std::string>>::AppendSetValueToWriter(
+    MessageWriter* writer);
+extern template class Property<std::map<std::string, std::string>>;
+
+template <>
+bool Property<std::vector<std::pair<std::vector<uint8_t>, uint16_t>>>::
+    PopValueFromReader(MessageReader* reader);
+template <>
+void Property<std::vector<std::pair<std::vector<uint8_t>, uint16_t>>>::
+    AppendSetValueToWriter(MessageWriter* writer);
+extern template class Property<
+    std::vector<std::pair<std::vector<uint8_t>, uint16_t>>>;
+
 }  // namespace dbus
 
 #endif  // DBUS_PROPERTY_H_