xorp

file_varrw.hh

00001 // -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
00002 // vim:set sts=4 ts=8:
00003 
00004 // Copyright (c) 2001-2011 XORP, Inc and Others
00005 //
00006 // This program is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License, Version 2, June
00008 // 1991 as published by the Free Software Foundation. Redistribution
00009 // and/or modification of this program under the terms of any other
00010 // version of the GNU General Public License is not permitted.
00011 // 
00012 // This program is distributed in the hope that it will be useful, but
00013 // WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details,
00015 // see the GNU General Public License, Version 2, a copy of which can be
00016 // found in the XORP LICENSE.gpl file.
00017 // 
00018 // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
00019 // http://xorp.net
00020 
00021 // $XORP: xorp/policy/test/file_varrw.hh,v 1.14 2008/10/02 21:58:08 bms Exp $
00022 
00023 #ifndef __POLICY_TEST_FILE_VARRW_HH__
00024 #define __POLICY_TEST_FILE_VARRW_HH__
00025 
00026 #include "policy/common/varrw.hh"
00027 #include "policy/common/policy_exception.hh"
00028 #include "policy/common/element_factory.hh"
00029 
00030 
00031 
00032 
00033 class FileVarRW : public VarRW {
00034 public:
00035     class Error : public PolicyException {
00036     public:
00037         Error(const char* file, size_t line, const string& init_why = "")   
00038             : PolicyException("Error", file, line, init_why) {}  
00039     };
00040 
00041     FileVarRW();
00042     ~FileVarRW();
00043 
00044     const Element&  read(const Id&);
00045     void        write(const Id&, const Element&);
00046     void        sync();
00047     void        printVars();
00048     void        load(const string& fname);
00049     void        set_verbose(bool);
00050 
00051 private:
00052     static const int MAX_TRASH = 666;
00053 
00054     bool doLine(const string& line);
00055     void clear_trash();
00056 
00057     const Element*  _map[VAR_MAX];
00058     ElementFactory  _ef;
00059     Element*        _trash[MAX_TRASH];
00060     int         _trashc;
00061     bool        _verbose;
00062 };
00063 
00064 #endif // __POLICY_TEST_FILE_VARRW_HH__
 All Classes Namespaces Functions Variables Typedefs Enumerations