first commit, base server

msql_acces.cpp

@@ -0,0 +1,20 @@
+#include "msql_acces.h"
+#include <iostream>
+msql_acces::msql_acces()
+{
+  driver = get_driver_instance();
+  con = driver->connect("tcp://127.0.0.1:3306", "root", "1234");
+  con->setSchema("bin_database");
+}
+
+
+std::string msql_acces::get_passwd(std::string username){
+  sql::PreparedStatement *pstmt = con->prepareStatement("select passwd from users where username=?");
+  pstmt->setString(1,username);
+  sql::ResultSet *res = pstmt->executeQuery();
+  std::string ret;
+  while(res->next())
+    ret = res->getString("passwd");
+  delete res;
+  return ret;
+}