add user list

session_manager.cpp

@@ -46,3 +46,17 @@ std::list<std::string> session_manager::get_packages_info(){
     }
   return ret;
 }
+
+std::list<std::string> session_manager::get_users_info(){
+  std::list<std::string> ret;
+  std::string read;
+  this->con->write_string("uinf");
+  while(true){
+      this->con->read_string(read,256);
+      if(read=="end:info"){
+          break;
+        }
+      ret.push_back(read);
+    }
+  return ret;
+}