clang-tidy: enable clang-tidy

Enable the first check: readability-identifier-naming

Also fixed all check failures.

Tested:
1. compiles, no clang-tidy failures
2. the two daemons work correctly on hardware regarding DBus APIs

Signed-off-by: Nan Zhou <nanzhoumails@gmail.com>
Change-Id: Ic415e857726e8f521c1d61a3e7f0c85121c0d284
diff --git a/phosphor-ldap-config/ldap_config.cpp b/phosphor-ldap-config/ldap_config.cpp
index 97e23ca..b7bd4c6 100644
--- a/phosphor-ldap-config/ldap_config.cpp
+++ b/phosphor-ldap-config/ldap_config.cpp
@@ -25,8 +25,8 @@
 {
 
 constexpr auto nslcdService = "nslcd.service";
-constexpr auto LDAPscheme = "ldap";
-constexpr auto LDAPSscheme = "ldaps";
+constexpr auto ldapScheme = "ldap";
+constexpr auto ldapsScheme = "ldaps";
 constexpr auto certObjPath = "/xyz/openbmc_project/certs/client/ldap/1";
 constexpr auto certRootPath = "/xyz/openbmc_project/certs/client/ldap";
 constexpr auto authObjPath = "/xyz/openbmc_project/certs/authority/ldap";
@@ -362,11 +362,11 @@
         {
             return value;
         }
-        if (isValidLDAPURI(value, LDAPSscheme))
+        if (isValidLDAPURI(value, ldapsScheme))
         {
             secureLDAP = true;
         }
-        else if (isValidLDAPURI(value, LDAPscheme))
+        else if (isValidLDAPURI(value, ldapScheme))
         {
             secureLDAP = false;
         }
@@ -717,11 +717,11 @@
             cereal::BinaryInputArchive iarchive(is);
             iarchive(*this);
 
-            if (isValidLDAPURI(ldapServerURI(), LDAPscheme))
+            if (isValidLDAPURI(ldapServerURI(), ldapScheme))
             {
                 secureLDAP = false;
             }
-            else if (isValidLDAPURI(ldapServerURI(), LDAPSscheme))
+            else if (isValidLDAPURI(ldapServerURI(), ldapsScheme))
             {
                 secureLDAP = true;
             }
diff --git a/phosphor-ldap-config/ldap_config_mgr.cpp b/phosphor-ldap-config/ldap_config_mgr.cpp
index 87791b8..a359273 100644
--- a/phosphor-ldap-config/ldap_config_mgr.cpp
+++ b/phosphor-ldap-config/ldap_config_mgr.cpp
@@ -14,8 +14,8 @@
 
 constexpr auto nslcdService = "nslcd.service";
 constexpr auto nscdService = "nscd.service";
-constexpr auto LDAPscheme = "ldap";
-constexpr auto LDAPSscheme = "ldaps";
+constexpr auto ldapScheme = "ldap";
+constexpr auto ldapsScheme = "ldaps";
 
 using namespace phosphor::logging;
 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
@@ -84,11 +84,11 @@
 {
     bool secureLDAP = false;
 
-    if (isValidLDAPURI(ldapServerURI, LDAPSscheme))
+    if (isValidLDAPURI(ldapServerURI, ldapsScheme))
     {
         secureLDAP = true;
     }
-    else if (isValidLDAPURI(ldapServerURI, LDAPscheme))
+    else if (isValidLDAPURI(ldapServerURI, ldapScheme))
     {
         secureLDAP = false;
     }
@@ -145,7 +145,7 @@
     else
     {
         ADConfigPtr.reset(nullptr);
-        objPath = ADDbusObjectPath;
+        objPath = adDbusObjectPath;
         ADConfigPtr = std::make_unique<Config>(
             bus, objPath.c_str(), configFilePath.c_str(), tlsCacertFile.c_str(),
             tlsCertFile.c_str(), secureLDAP, ldapServerURI, ldapBindDN,
@@ -171,7 +171,7 @@
     if (!ADConfigPtr)
     {
         ADConfigPtr = std::make_unique<Config>(
-            bus, ADDbusObjectPath.c_str(), configFilePath.c_str(),
+            bus, adDbusObjectPath.c_str(), configFilePath.c_str(),
             tlsCacertFile.c_str(), tlsCertFile.c_str(),
             ConfigIface::Type::ActiveDirectory, *this);
         ADConfigPtr->emit_object_added();
diff --git a/phosphor-ldap-config/ldap_config_mgr.hpp b/phosphor-ldap-config/ldap_config_mgr.hpp
index af3051c..850fc54 100644
--- a/phosphor-ldap-config/ldap_config_mgr.hpp
+++ b/phosphor-ldap-config/ldap_config_mgr.hpp
@@ -22,7 +22,7 @@
 static constexpr auto nsSwitchFile = "nsswitch.conf";
 static auto openLDAPDbusObjectPath =
     std::string(LDAP_CONFIG_ROOT) + "/openldap";
-static auto ADDbusObjectPath =
+static auto adDbusObjectPath =
     std::string(LDAP_CONFIG_ROOT) + "/active_directory";
 
 using namespace phosphor::logging;
diff --git a/phosphor-ldap-config/utils.cpp b/phosphor-ldap-config/utils.cpp
index 66e1474..4ad69d9 100644
--- a/phosphor-ldap-config/utils.cpp
+++ b/phosphor-ldap-config/utils.cpp
@@ -14,7 +14,7 @@
 namespace ldap
 {
 
-bool isValidLDAPURI(const std::string& URI, const char* scheme)
+bool isValidLDAPURI(const std::string& uri, const char* scheme)
 {
     // Return false if the user tries to configure port 0
     // This check is not done in line 42, because ldap_url_parse
@@ -22,14 +22,14 @@
     // will always return true (thus allowing the user to
     // configure port 0)
 
-    if (boost::algorithm::ends_with(URI, ":0"))
+    if (boost::algorithm::ends_with(uri, ":0"))
     {
         return false;
     }
 
     LDAPURLDesc* ludpp = nullptr;
     int res = LDAP_URL_ERR_BADURL;
-    res = ldap_url_parse(URI.c_str(), &ludpp);
+    res = ldap_url_parse(uri.c_str(), &ludpp);
 
     auto ludppCleanupFunc = [](LDAPURLDesc* ludpp) {
         ldap_free_urldesc(ludpp);
diff --git a/phosphor-ldap-config/utils.hpp b/phosphor-ldap-config/utils.hpp
index 984aae6..b1450b7 100644
--- a/phosphor-ldap-config/utils.hpp
+++ b/phosphor-ldap-config/utils.hpp
@@ -14,7 +14,7 @@
  *       against LDAPS type URI, for LDAP type URI it is equals to "ldap".
  *  @returns true if it is valid otherwise false.
  */
-bool isValidLDAPURI(const std::string& URI, const char* scheme);
+bool isValidLDAPURI(const std::string& uri, const char* scheme);
 
 } // namespace ldap
 } // namespace phosphor