upload android base code part6

android/system/update_engine/connection_utils.cc

@@ -0,0 +1,70 @@
+//
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "update_engine/connection_utils.h"
+
+#include <shill/dbus-constants.h>
+
+namespace chromeos_update_engine {
+namespace connection_utils {
+
+ConnectionType ParseConnectionType(const std::string& type_str) {
+  if (type_str == shill::kTypeEthernet) {
+    return ConnectionType::kEthernet;
+  } else if (type_str == shill::kTypeWifi) {
+    return ConnectionType::kWifi;
+  } else if (type_str == shill::kTypeWimax) {
+    return ConnectionType::kWimax;
+  } else if (type_str == shill::kTypeBluetooth) {
+    return ConnectionType::kBluetooth;
+  } else if (type_str == shill::kTypeCellular) {
+    return ConnectionType::kCellular;
+  }
+  return ConnectionType::kUnknown;
+}
+
+ConnectionTethering ParseConnectionTethering(const std::string& tethering_str) {
+  if (tethering_str == shill::kTetheringNotDetectedState) {
+    return ConnectionTethering::kNotDetected;
+  } else if (tethering_str == shill::kTetheringSuspectedState) {
+    return ConnectionTethering::kSuspected;
+  } else if (tethering_str == shill::kTetheringConfirmedState) {
+    return ConnectionTethering::kConfirmed;
+  }
+  return ConnectionTethering::kUnknown;
+}
+
+const char* StringForConnectionType(ConnectionType type) {
+  switch (type) {
+    case ConnectionType::kEthernet:
+      return shill::kTypeEthernet;
+    case ConnectionType::kWifi:
+      return shill::kTypeWifi;
+    case ConnectionType::kWimax:
+      return shill::kTypeWimax;
+    case ConnectionType::kBluetooth:
+      return shill::kTypeBluetooth;
+    case ConnectionType::kCellular:
+      return shill::kTypeCellular;
+    case ConnectionType::kUnknown:
+      return "Unknown";
+  }
+  return "Unknown";
+}
+
+}  // namespace connection_utils
+
+}  // namespace chromeos_update_engine