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// /db/repl/rs.h
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/bson/oid.h"
#include "mongo/bson/optime.h"
#include "mongo/db/commands.h"
#include "mongo/db/index/index_descriptor.h"
#include "mongo/db/repl/consensus.h"
#include "mongo/db/repl/manager.h"
#include "mongo/db/repl/oplogreader.h"
#include "mongo/db/repl/repl_set.h"
#include "mongo/db/repl/repl_set_impl.h"
#include "mongo/db/repl/rs_base.h"
#include "mongo/db/repl/rs_config.h"
#include "mongo/db/repl/rs_exception.h"
#include "mongo/db/repl/rs_sync.h"
#include "mongo/db/repl/server.h"
#include "mongo/db/repl/state_box.h"
#include "mongo/db/repl/sync_source_feedback.h"
#include "mongo/util/concurrency/thread_pool.h"
#include "mongo/util/concurrency/value.h"
#include "mongo/util/net/hostandport.h"
/**
* Order of Events
*
* On startup, if the --replSet option is present, startReplSets is called.
* startReplSets forks off a new thread for replica set activities. It creates
* the global theReplSet variable and calls go() on it.
*
* theReplSet's constructor changes the replica set's state to RS_STARTUP,
* starts the replica set manager, and loads the config (if the replica set
* has been initialized).
*/
namespace mongo {
extern bool replSet; // true if using repl sets
extern class ReplSet *theReplSet; // null until initialized
extern int maxSyncSourceLagSecs;
class ReplSetCmdline;
// Main entry point for replica sets
void startReplSets(ReplSetCmdline *replSetCmdline);
/**
* does local authentication
* directly authorizes against AuthenticationInfo
*/
void replLocalAuth();
/** inlines ----------------- */
inline bool ignoreUniqueIndex(const IndexDescriptor* idx) {
if (!idx->unique()) {
return false;
}
if (!theReplSet) {
return false;
}
// see SERVER-6671
MemberState ms = theReplSet->state();
if (! ((ms == MemberState::RS_STARTUP2) ||
(ms == MemberState::RS_RECOVERING) ||
(ms == MemberState::RS_ROLLBACK))) {
return false;
}
// 2 is the oldest oplog version where operations
// are fully idempotent.
if (theReplSet->oplogVersion < 2) {
return false;
}
// Never ignore _id index
if (idx->isIdIndex()) {
return false;
}
return true;
}
}
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