add final_load and final_store

debug/store.cback

+#include "wrapper/common.hh"
+#include "wrapper/reuse.hh"
+static std::string embeddedDir="/t/cryt/shadow";
+//global map, for each client, we have one WrapperState which contains ProxyState.
+static std::map<std::string, WrapperState*> clients;
+//This connection mimics the behaviour of MySQL-Proxy
+Connect  *globalConn;
+
+static void init(){
+    std::string client="192.168.1.1:1234";
+    //one Wrapper per user.
+    clients[client] = new WrapperState();    
+    //Connect phase
+    ConnectionInfo ci("localhost", "root", "letmein",3306);
+    const std::string master_key = "113341234";
+    char *buffer;
+    if((buffer = getcwd(NULL, 0)) == NULL){  
+        perror("getcwd error");  
+    }
+    embeddedDir = std::string(buffer)+"/shadow";
+    SharedProxyState *shared_ps = 
+			new SharedProxyState(ci, embeddedDir , master_key, 
+                                            determineSecurityRating());
+    assert(0 == mysql_thread_init());
+    //we init embedded database here.
+    clients[client]->ps = std::unique_ptr<ProxyState>(new ProxyState(*shared_ps));
+    clients[client]->ps->safeCreateEmbeddedTHD();
+    //Connect end!!
+    globalConn = new Connect(ci.server, ci.user, ci.passwd, ci.port);
+}
+
+
+//query for testing purposes
+static
+std::string getTestQuery(SchemaInfo &schema, std::vector<FieldMetaTrans> &tfds,
+                                     std::string db="tdb",std::string table="student1"){
+    std::string res = "SELECT ";
+    const std::unique_ptr<IdentityMetaKey> dbmeta_key(new IdentityMetaKey(db));
+    //get databaseMeta, search in the map
+    DatabaseMeta * dbm = schema.getChild(*dbmeta_key);
+    const TableMeta & tbm = *((*dbm).getChild(IdentityMetaKey(table)));
+    std::string annotablename = tbm.getAnonTableName();
+
+    //then a list of onion names
+    for(auto tf:tfds){
+        for(auto item : tf.getChoosenOnionName()){
+            res += item;
+            res += " , ";
+        }
+    	if(tf.getHasSalt()){
+            res += tf.getSaltName() + " , ";
+        }
+    }
+    res = res.substr(0,res.size()-2);
+    res = res + "FROM `"+db+std::string("`.`")+annotablename+"`";
+    return res;
+}
+
+static void write_meta(rawMySQLReturnValue& resraw,std::vector<FieldMetaTrans> &res,string db,string table){
+    TableMetaTrans mf(db,table,res);
+    mf.set_db_table(db,table);
+    mf.serialize();
+}
+
+static
+void write_raw_data_to_files(rawMySQLReturnValue& resraw,std::vector<FieldMetaTrans> &res ,string db,string table){
+    //write metafiles
+    write_meta(resraw,res,db,table);
+    //write datafiles
+    write_row_data(resraw,db,table);
+}
+
+static void store(std::string db, std::string table){
+    std::unique_ptr<SchemaInfo> schema =  myLoadSchemaInfo(embeddedDir);
+    //get all the fields in the tables
+    std::vector<FieldMeta*> fms = getFieldMeta(*schema,db,table);
+
+    //transform the field so that selected onions can be used
+    std::vector<FieldMetaTrans> res;
+    for(auto i=0u;i<fms.size();i++){
+        FieldMetaTrans ft;
+        res.push_back(ft);
+        res.back().trans(fms[i]);
+    }
+    storeStrategies(res);
+
+    //generate the backup query and then fetch the tuples
+    std::string backup_query = getTestQuery(*schema,res,db,table);
+    rawMySQLReturnValue resraw =  executeAndGetResultRemote(globalConn,backup_query);
+
+    //then we should set the type and length of FieldMetaTrans
+    auto types = resraw.fieldTypes;
+    auto lengths = resraw.lengths;
+    int base_types = 0;
+    int base_lengths = 0;
+    for(auto &item:res){
+        vector<int> tempTypes;
+        vector<int> tempLengths;
+        for(unsigned int i=0u;i<item.getChoosenOnionName().size();i++){
+            tempTypes.push_back(types[base_types++]);
+            tempLengths.push_back(lengths[base_lengths++]);
+        }
+        item.setChoosenFieldTypes(tempTypes);
+        item.setChoosenFieldLengths(tempLengths);
+        if(item.getHasSalt()){
+            item.setSaltType(types[base_types++]);
+            item.setSaltLength(lengths[base_lengths++]);
+        }
+    }
+    //write the tuples into files
+    write_raw_data_to_files(resraw,res,db,table);
+}
+
+int
+main(int argc, char* argv[]){
+    init();
+    std::string db="tdb",table="student";
+    store(db,table);
+    return 0;
+}