chromeos: Refactor D-Bus client type enum and stub vs. fake naming

chromeos/dbus/dbus_client_types.cc

Index: chromeos/dbus/dbus_client_types.cc
diff --git a/chromeos/dbus/dbus_client_types.cc b/chromeos/dbus/dbus_client_types.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f21d973a7b4067d04d3c21c50405cd3713e2a5f1
--- /dev/null
+++ b/chromeos/dbus/dbus_client_types.cc
@@ -0,0 +1,69 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromeos/dbus/dbus_client_types.h"
+
+#include "base/macros.h"
+#include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
+
+namespace chromeos {
+
+namespace {
+
+// Command line switch mapping for --dbus-real-clients.
+const struct {
+  const char* param_name;
+  DBusClientType client_type;
+} kClientTypeMap[] = {
+    {"bluetooth", DBusClientType::BLUETOOTH},
+    {"cras", DBusClientType::CRAS},
+    {"cros_disks", DBusClientType::CROS_DISKS},
+    {"cryptohome", DBusClientType::CRYPTOHOME},
+    {"debug_daemon", DBusClientType::DEBUG_DAEMON},
+    {"easy_unlock", DBusClientType::EASY_UNLOCK},
+    {"lorgnette_manager", DBusClientType::LORGNETTE_MANAGER},
+    {"shill", DBusClientType::SHILL},
+    {"gsm_sms", DBusClientType::GSM_SMS},
+    {"image_burner", DBusClientType::IMAGE_BURNER},
+    {"modem_messaging", DBusClientType::MODEM_MESSAGING},
+    {"permission_broker", DBusClientType::PERMISSION_BROKER},
+    {"power_manager", DBusClientType::POWER_MANAGER},
+    {"session_manager", DBusClientType::SESSION_MANAGER},
+    {"sms", DBusClientType::SMS},
+    {"system_clock", DBusClientType::SYSTEM_CLOCK},
+    {"update_engine", DBusClientType::UPDATE_ENGINE},
+    {"arc_obb_mounter", DBusClientType::ARC_OBB_MOUNTER},
+};
+
+// Parses single command line param value for dbus subsystem. If successful,
+// returns its enum representation. Otherwise returns NONE.
+DBusClientType GetDBusClientType(const std::string& client_type_name) {
+  for (size_t i = 0; i < arraysize(kClientTypeMap); i++) {
+    if (base::LowerCaseEqualsASCII(client_type_name,
+                                   kClientTypeMap[i].param_name))
+      return kClientTypeMap[i].client_type;
+  }
+  return DBusClientType::NONE;
+}
+
+}  // namespace
+
+DBusClientTypeMask ParseDBusRealClientsList(const std::string& clients_list) {
+  DBusClientTypeMask real_client_mask = 0;
+  for (const std::string& cur : base::SplitString(
+           clients_list, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
+    DBusClientType client = GetDBusClientType(cur);
+    if (client != DBusClientType::NONE) {
+      LOG(WARNING) << "Forcing real dbus client for " << cur;
+      real_client_mask |= static_cast<int>(client);
+    } else {
+      LOG(ERROR) << "Unknown dbus client: " << cur;
+    }
+  }
+
+  return real_client_mask;
+}
+
+}  // namespace chromeos