bluetooth: Expose service data from BlueZ

dbus/property.cc

Index: dbus/property.cc
diff --git a/dbus/property.cc b/dbus/property.cc
index faca4a0a1d76dd1d902c9da4353a2580d7bc524d..0ac65ef6991641d523fdd7f8b43ca045b44844e5 100644
--- a/dbus/property.cc
+++ b/dbus/property.cc
@@ -6,6 +6,8 @@
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/logging.h"
 
@@ -659,6 +661,70 @@ void Property<std::vector<std::pair<std::vector<uint8_t>, uint16_t>>>::
   writer->CloseContainer(&variant_writer);
 }
 
+//
+// Property<std::map<std::string, std::vector<uint8_t>>>
+// specialization.
+//
+
+template <>
+bool Property<std::unordered_map<std::string, std::vector<uint8_t>>>::
+    PopValueFromReader(MessageReader* reader) {
+  MessageReader variant_reader(nullptr);
+  MessageReader dict_reader(nullptr);
+  if (!reader->PopVariant(&variant_reader) ||
+      !variant_reader.PopArray(&dict_reader))
+    return false;
+
+  value_.clear();
+  while (dict_reader.HasMoreData()) {
+    MessageReader entry_reader(nullptr);
+    if (!dict_reader.PopDictEntry(&entry_reader))
+      return false;
+
+    std::string key;
+    MessageReader value_varient_reader(nullptr);
+    if (!entry_reader.PopString(&key) ||
+        !entry_reader.PopVariant(&value_varient_reader))
+      return false;
+
+    const uint8_t* bytes = nullptr;
+    size_t length = 0;
+    if (!value_varient_reader.PopArrayOfBytes(&bytes, &length))
+      return false;
+
+    value_[key].assign(bytes, bytes + length);
+  }
+  return true;
+}
+
+template <>
+void Property<std::unordered_map<std::string, std::vector<uint8_t>>>::
+    AppendSetValueToWriter(MessageWriter* writer) {
+  MessageWriter variant_writer(nullptr);
+  MessageWriter dict_writer(nullptr);
+
+  writer->OpenVariant("a{sv}", &variant_writer);
+  variant_writer.OpenArray("{sv}", &dict_writer);
+
+  for (const auto& pair : set_value_) {
+    MessageWriter entry_writer(nullptr);
+    dict_writer.OpenDictEntry(&entry_writer);
+
+    entry_writer.AppendString(pair.first);
+
+    MessageWriter value_varient_writer(nullptr);
+    entry_writer.OpenVariant("ay", &value_varient_writer);
+    value_varient_writer.AppendArrayOfBytes(pair.second.data(),
+                                            pair.second.size());
+    entry_writer.CloseContainer(&value_varient_writer);
+
+    dict_writer.CloseContainer(&entry_writer);
+  }
+
+  variant_writer.CloseContainer(&dict_writer);
+  writer->CloseContainer(&variant_writer);
+}
+
 template class Property<uint8_t>;
 template class Property<bool>;
 template class Property<int16_t>;
@@ -675,5 +741,6 @@ template class Property<std::vector<ObjectPath> >;
 template class Property<std::vector<uint8_t>>;
 template class Property<std::map<std::string, std::string>>;
 template class Property<std::vector<std::pair<std::vector<uint8_t>, uint16_t>>>;
+template class Property<std::unordered_map<std::string, std::vector<uint8_t>>>;
 
 }  // namespace dbus