add comments

conf/CURRENT.conf

@@ -3,10 +3,10 @@
 #oAGG: HOM
 #oASHE: ASHE
 [onions for num]
-oDET: DET RND
-oOPE: OPE RND
-#oAGG: HOM
-oASHE: ASHE
+#oDET: DET RND
+#oOPE: OPE RND
+oAGG: HOM
+#oASHE: ASHE
 
 [end]
 

main/CryptoHandlers.cc

@@ -230,33 +230,24 @@ EncLayerFactory::deserializeLayer(unsigned int id,
                                   const std::string &serial){
     assert(id);
     const SerialLayer li = serial_unpack(serial);
-
     switch (li.l) {
         case SECLEVEL::RND:
             return RNDFactory::deserialize(id, li);
-
         case SECLEVEL::DET:
             return DETFactory::deserialize(id, li);
-
         case SECLEVEL::DETJOIN:
             return DETJOINFactory::deserialize(id, li);
-
         case SECLEVEL::OPEFOREIGN:
             return OPEFOREIGNFactory::deserialize(id,li);
-
         case SECLEVEL::OPE:
             return OPEFactory::deserialize(id, li);
-
         case SECLEVEL::HOM:
             return std::unique_ptr<EncLayer>(new HOM(id, serial));
         case SECLEVEL::ASHE: return std::unique_ptr<EncLayer>(new ASHE(id, serial));
-
         case SECLEVEL::SEARCH:
             return std::unique_ptr<EncLayer>(new Search(id, serial));
-
         case SECLEVEL::PLAINVAL:
             return std::unique_ptr<EncLayer>(new PlainText(id));
-
         default:{}
     }
     FAIL_TextMessageError("unknown or unimplemented security level");
@@ -286,7 +277,6 @@ lowLevelcreateFieldHelper(const Create_field &f,
                           const std::string &anonname = "",
                           CHARSET_INFO * const charset = NULL)
 {
-    //从内存分配新的Create_field
     const THD * const thd = current_thd;
     Create_field * const f0 = f.clone(thd->mem_root);
     f0->length = field_length;

main/schema.cc

@@ -109,6 +109,10 @@ std::string OnionMeta::getAnonOnionName() const{
     return onionname;
 }
 
+/*
+ *Called by loadchildren.The deserialHelper uses the deserializer of the Enclayers to recover them, and the
+ *DBMeta::doFetchChildren reads raw data from embedded MySQL.
+*/
 std::vector<DBMeta *>
 OnionMeta::fetchChildren(const std::unique_ptr<Connect> &e_conn){
     std::function<DBMeta *(const std::string &,

test_parser/parser.cc

@@ -22,7 +22,7 @@ int main() {
     }
     embeddedDir = std::string(buffer)+"/shadow";
     free(buffer);
-//    init_mysql(embeddedDir);
+    init_mysql(embeddedDir);
     std::string filename = std::string(cryptdb_dir)+"/test_parser/"+"template";
     std::string line="show databases;";
     std::unique_ptr<query_parse> p;