90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "pch.h"
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#include "../client.h"
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#include "../../client/dbclient.h"
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#include "rs.h"
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#include "../oplogreader.h"
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#include "../../util/mongoutils/str.h"
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namespace mongo {
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using namespace mongoutils;
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void dropAllDatabasesExceptLocal();
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// add try/catch with sleep
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void isyncassert(const char *msg, bool expr) {
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if( !expr ) {
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string m = str::stream() << "initial sync " << msg;
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theReplSet->sethbmsg(m, 0);
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uasserted(13388, m);
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}
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}
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void ReplSetImpl::syncDoInitialSync() {
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while( 1 ) {
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try {
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_syncDoInitialSync();
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break;
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}
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catch(DBException&) {
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log(1) << "replSet initial sync exception; sleep 30 sec" << rsLog;
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sleepsecs(30);
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}
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}
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}
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void ReplSetImpl::_syncDoInitialSync() {
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sethbmsg("initial sync pending");
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assert( !isPrimary() ); // wouldn't make sense if we were.
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const Member *cp = currentPrimary();
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if( cp == 0 ) {
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sethbmsg("initial sync need a member to be primary");
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sleepsecs(15);
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return;
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}
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OplogReader r;
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if( !r.connect(cp->h().toString()) ) {
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sethbmsg( str::stream() << "initial sync couldn't connect to " << cp->h().toString() );
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sleepsecs(15);
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return;
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}
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BSONObj lastOp = r.getLastOp(rsoplog);
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OpTime ts = lastOp["ts"]._opTime();
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long long h = lastOp["h"].numberLong();
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{
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/* make sure things aren't too flappy */
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sleepsecs(5);
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isyncassert( "flapping?", currentPrimary() == cp );
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}
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sethbmsg("initial sync drop all databases");
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dropAllDatabasesExceptLocal();
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sethbmsg("initial sync - not yet implemented");
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assert( !isPrimary() ); // wouldn't make sense if we were.
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}
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}
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