DBClientBase * get( const string& addr , const string& ns ) {
_check( ns );
Status* s = _getStatus( addr );
auto_ptr<DBClientBase> c; // Handles cleanup if there's an exception thrown
if ( s->avail ) {
c.reset( s->avail );
s->avail = 0;
shardConnectionPool.onHandedOut( c.get() ); // May throw an exception
} else {
c.reset( shardConnectionPool.get( addr ) );
s->created++; // After, so failed creation doesn't get counted
}
return c.release();
}
DBClientBase * get( const string& addr , const string& ns, bool ignoreDirect = false ) {
_check( ns );
// Determine if non-shard conn is RS member for warning
// All shards added to _hosts if not present in _check()
if( ( logLevel >= 1 || ! printedShardConnWarning ) && ! ignoreDirect && _hosts.find( addr ) == _hosts.end() ){
vector<Shard> all;
Shard::getAllShards( all );
bool isRSMember = false;
string parentShard;
for ( unsigned i = 0; i < all.size(); i++ ) {
string connString = all[i].getConnString();
if( connString.find( addr ) != string::npos && connString.find( '/' ) != string::npos ){
isRSMember = true;
parentShard = connString;
break;
}
}
if( isRSMember ){
printedShardConnWarning = true;
warning() << "adding shard sub-connection " << addr << " (parent " << parentShard << ") as sharded, this is safe but unexpected" << endl;
printStackTrace();
}
}
Status* &s = _hosts[addr];
if ( ! s )
s = new Status();
if ( s->avail ) {
DBClientBase* c = s->avail;
s->avail = 0;
shardConnectionPool.onHandedOut( c );
return c;
}
s->created++;
return shardConnectionPool.get( addr );
}
DBClientBase * get( const string& addr , const string& ns ) {
_check( ns );
Status* &s = _hosts[addr];
if ( ! s )
s = new Status();
auto_ptr<DBClientBase> c; // Handles cleanup if there's an exception thrown
if ( s->avail ) {
c.reset( s->avail );
s->avail = 0;
shardConnectionPool.onHandedOut( c.get() ); // May throw an exception
} else {
s->created++;
c.reset( shardConnectionPool.get( addr ) );
}
if ( !noauth ) {
c->setAuthenticationTable( ClientBasic::getCurrent()->getAuthenticationInfo()->
getAuthTable() );
}
return c.release();
}
DBClientBase * get( const string& addr , const string& ns ) {
_check( ns );
Status* &s = _hosts[addr];
if ( ! s )
s = new Status();
if ( s->avail ) {
DBClientBase* c = s->avail;
s->avail = 0;
try {
shardConnectionPool.onHandedOut( c );
}
catch ( std::exception& e ) {
delete c;
throw;
}
return c;
}
s->created++;
return shardConnectionPool.get( addr );
}