Files
mongo/db/repl/rs_config.cpp
2010-04-21 14:41:09 -04:00

76 lines
2.6 KiB
C++

// rs_config.cpp
/**
* 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/>.
*/
#include "stdafx.h"
#include "rs_config.h"
#include "../../client/dbclient.h"
#include "../../util/hostandport.h"
namespace mongo {
ReplSetConfig::ReplSetConfig(const HostAndPort& h) {
DBClientConnection conn(false, 0, 20);
conn._logLevel = 2;
string err;
conn.connect(h.toString());
auto_ptr<DBClientCursor> c = conn.query("admin.replset");
set<string> hosts;
int n = 0;
while( c->more() ) {
n++;
BSONObj o = c->nextSafe();
_id = o.getStringField("_id");
version = o.getIntField("version");
uassert(13115, "bad admin.replset config: version", version > 0);
BSONObj settings = o.getObjectField("settings");
if( !settings.isEmpty() ) {
if( settings.hasField("connRetries") )
healthOptions.connRetries = settings.getIntField("connRetries");
if( settings.hasField("heartbeatSleep") )
healthOptions.heartbeatSleepMillis = (unsigned) (settings["heartbeatSleep"].number() * 1000);
if( settings.hasField("heartbeatTimeout" ) )
healthOptions.heartbeatTimeoutMillis = (unsigned) (settings["heartbeatTimeout"].number() * 1000);
healthOptions.check();
}
BSONObjIterator i(o.getObjectField("members"));
while( i.more() ) {
BSONObj memb = i.next().embeddedObject();
Member m;
string s = memb.getStringField("host");
try {
m.h = HostAndPort::fromString(s);
m.arbiterOnly = memb.getBoolField("arbiterOnly");
m.priority = memb.hasField("priority") ? memb["priority"].number() : 1.0;
}
catch(...) {
uassert(13107, "bad admin.replset config", false);
}
uassert(13108, "bad admin.replset config", hosts.count(m.h.toString()) == 0);
hosts.insert(m.h.toString());
}
}
uassert(13117, "bad admin.replset config", n != 1 || !_id.empty());
}
}