// init and get root region server addr and master addr
func (c *client) init() error {
zkclient, _, err := zk.Connect(c.zkHosts, time.Second*30)
if err != nil {
return err
}
c.zkClient = zkclient
res, _, _, err := c.zkClient.GetW(c.zkRoot + zkRootRegionPath)
if err != nil {
return err
}
c.rootServerName, err = c.decodeMeta(res)
if err != nil {
return err
}
log.Debug("connect root region server...", c.rootServerName)
conn, err := newConnection(serverNameToAddr(c.rootServerName), false)
if err != nil {
return err
}
// set buffered regionserver conn
c.cachedConns[serverNameToAddr(c.rootServerName)] = conn
res, _, _, err = c.zkClient.GetW(c.zkRoot + zkMasterAddrPath)
if err != nil {
return err
}
c.masterServerName, err = c.decodeMeta(res)
if err != nil {
return err
}
return nil
}
func ConnectToZkWithTimeout(zkAddr string, recvTime time.Duration) (Conn, error) {
zkConn, _, err := zk.Connect(strings.Split(zkAddr, ","), recvTime)
if err != nil {
return nil, err
}
return &MyZkConn{Conn: zkConn}, nil
}
func ConnectToZk(zkAddr string) (Conn, error) {
zkConn, _, err := zk.Connect(strings.Split(zkAddr, ","), 3*time.Second)
if err != nil {
return nil, err
}
return &MyZkConn{Conn: zkConn}, nil
}
// init and get root region server addr and master addr
func (c *client) init() error {
zkclient, _, err := zk.Connect(c.zkHosts, time.Second*30)
if err != nil {
return errors.Trace(err)
}
c.zkClient = zkclient
res, _, _, err := c.zkClient.GetW(c.zkRoot + zkRootRegionPath)
if err != nil {
return errors.Trace(err)
}
c.rootServerName, err = c.decodeMeta(res)
if err != nil {
return errors.Trace(err)
}
log.Debug("connect root region server...", c.rootServerName)
serverAddr := serverNameToAddr(c.rootServerName)
conn, err := newConnection(serverAddr, ClientService)
if err != nil {
return errors.Trace(err)
}
// Set buffered regionserver conn.
cachedKey := cachedConnKey(serverAddr, ClientService)
c.cachedConns[cachedKey] = conn
res, _, _, err = c.zkClient.GetW(c.zkRoot + zkMasterAddrPath)
if err != nil {
return errors.Trace(err)
}
c.masterServerName, err = c.decodeMeta(res)
if err != nil {
return errors.Trace(err)
}
return nil
}
