mongodb: rs_optime.h Source File

00001 // @file rs_optime.h
00002 
00003 /*
00004  *    Copyright (C) 2010 10gen Inc.
00005  *
00006  *    This program is free software: you can redistribute it and/or  modify
00007  *    it under the terms of the GNU Affero General Public License, version 3,
00008  *    as published by the Free Software Foundation.
00009  *
00010  *    This program is distributed in the hope that it will be useful,
00011  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *    GNU Affero General Public License for more details.
00014  *
00015  *    You should have received a copy of the GNU Affero General Public License
00016  *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
00017  */
00018 
00019 #pragma once
00020 
00021 #include "../../util/optime.h"
00022 
00023 namespace mongo {
00024 
00025     const char rsoplog[] = "local.oplog.rs";
00026 
00027     /*
00028     class RSOpTime : public OpTime {
00029     public:
00030         bool initiated() const { return getSecs() != 0; }
00031     };*/
00032 
00033     /*struct RSOpTime {
00034         unsigned long long ord;
00035 
00036         RSOpTime() : ord(0) { }
00037 
00038         bool initiated() const { return ord > 0; }
00039 
00040         void initiate() {
00041             assert( !initiated() );
00042             ord = 1000000;
00043         }
00044 
00045         ReplTime inc() {
00046             DEV assertInWriteLock();
00047             return ++ord;
00048         }
00049 
00050         string toString() const { return str::stream() << ord; }
00051 
00052         // query the oplog and set the highest value herein.  acquires a db read lock. throws.
00053         void load();
00054     };
00055 
00056     extern RSOpTime rsOpTime;*/
00057 
00058 }