// opens a cassandra connection
func (conn *CassandraConnection) Open(keyspace string) error {
Log(DEBUG, "creating new cassandra connection ", conn.pool)
tcpConn, err := net.Dial("tcp", conn.Server)
if err != nil {
return err
}
ts, err := thrift.NewTSocketConn(tcpConn)
if err != nil || ts == nil {
return fmt.Errorf("Failed opening thrift socket: %s %s", err, ts)
}
if ts == nil {
return errors.New("No TSocket connection?")
}
// the TSocket implements interface TTransport
trans := thrift.NewTFramedTransport(ts)
// A previous version of this code called trans.Open() at this point, but it's already open
protocolfac := thrift.NewTBinaryProtocolFactoryDefault()
conn.Client = cassandra.NewCassandraClientFactory(trans, protocolfac)
Log(DEBUG, " in conn.Open, how is client? ", conn.Client)
ire, t3e := conn.Client.SetCqlVersion("3.0.0")
if ire != nil || t3e != nil {
Log(ERROR, ire, t3e)
return fmt.Errorf("Failed in SetCqlVersion: %s %s", ire.Why, t3e)
}
return nil
}
// opens a cassandra connection
func (conn *CassandraConnection) Open(keyspace string) error {
Log(DEBUG, "creating new cassandra connection ", conn.pool)
tcpConn, er := net.Dial("tcp", conn.Server)
if er != nil {
return er
}
ts, err := thrift.NewTSocketConn(tcpConn)
if err != nil {
return err
}
if ts == nil {
return errors.New("No TSocket connection?")
}
// the TSocket implements interface TTransport
trans := thrift.NewTFramedTransport(ts)
trans.Open()
protocolfac := thrift.NewTBinaryProtocolFactoryDefault()
conn.Client = cassandra.NewCassandraClientFactory(trans, protocolfac)
Log(DEBUG, " in conn.Open, how is client? ", conn.Client)
ire, er := conn.Client.SetKeyspace(keyspace)
if ire != nil || er != nil {
// most likely this is because it hasn't been created yet, so we will
// ignore for now, as SetKeyspace() is purely optional
Log(ERROR, ire, er)
}
e, t3e := conn.Client.SetCqlVersion("3.0.0")
if e != nil || t3e != nil {
Log(ERROR, e, t3e)
}
return nil
}