chore: fix typos and check slice len

Author: lzf575

server/libs/grpc/grpc_platformdata.go

@@ -52,7 +52,7 @@ const (
 	LruCap                = 1 << 17
 	GROUPID_MAX           = 1 << 16
 
-	MASTER_TABLE_MOUDLE_NANE = "ingester"
+	MASTER_TABLE_MODULE_NAME = "ingester"
 	MAX_ORG_COUNT            = ckdb.MAX_ORG_ID + 1
 )
 
@@ -444,37 +444,37 @@ func NewPlatformDataManager(ips []net.IP, port, maxSlaveTableSize, rpcMaxMsgSize
 	return platformDataManager
 }
 
-func (m *PlatformDataManager) NewPlatformInfoTable(moudleName string) (*PlatformInfoTable, error) {
+func (m *PlatformDataManager) NewPlatformInfoTable(moduleName string) (*PlatformInfoTable, error) {
 	m.tableLock.Lock()
 	if m.masterTable == nil {
-		// the master table moudleName must be 'ingester', the Controller adds datanode information according to the name of the request is 'ingester'.
-		m.masterTable = NewPlatformInfoTable(m.ips, m.port, 0, m.rpcMaxMsgSize, MASTER_TABLE_MOUDLE_NANE, m.nodeIP, m.receiver, true, m)
+		// the master table moduleName must be 'ingester', the Controller adds datanode information according to the name of the request is 'ingester'.
+		m.masterTable = NewPlatformInfoTable(m.ips, m.port, 0, m.rpcMaxMsgSize, MASTER_TABLE_MODULE_NAME, m.nodeIP, m.receiver, true, m)
 		m.masterTable.Start()
-		if moudleName == MASTER_TABLE_MOUDLE_NANE {
+		if moduleName == MASTER_TABLE_MODULE_NAME {
 			m.tableLock.Unlock()
 			return m.masterTable, nil
 		}
 	}
 	m.tableLock.Unlock()
-	if moudleName == MASTER_TABLE_MOUDLE_NANE {
+	if moduleName == MASTER_TABLE_MODULE_NAME {
 		return m.masterTable, nil
 	}
 
 	index := int(atomic.AddUint32(&m.slaveCount, 1)) - 1
 	if index >= m.maxSlaveTableSize {
-		err := fmt.Errorf("new platformData table %s failed, slave talbes has reached the maximum capacity(%d) and cannot be added", moudleName, m.maxSlaveTableSize)
+		err := fmt.Errorf("new platformData table %s failed, slave tables has reached the maximum capacity(%d) and cannot be added", moduleName, m.maxSlaveTableSize)
 		log.Error(err)
 		return nil, err
 	}
-	m.slaveTables[index] = NewPlatformInfoTable(m.ips, m.port, index, m.rpcMaxMsgSize, moudleName, m.nodeIP, m.receiver, false, m)
+	m.slaveTables[index] = NewPlatformInfoTable(m.ips, m.port, index, m.rpcMaxMsgSize, moduleName, m.nodeIP, m.receiver, false, m)
 	return m.slaveTables[index], nil
 }
 
 func (m *PlatformDataManager) GetMasterPlatformInfoTable() *PlatformInfoTable {
 	if m.masterTable != nil {
 		return m.masterTable
 	}
-	m.NewPlatformInfoTable(MASTER_TABLE_MOUDLE_NANE)
+	m.NewPlatformInfoTable(MASTER_TABLE_MODULE_NAME)
 	return m.masterTable
 }
 

server/libs/grpc/utils_linux.go

@@ -28,6 +28,9 @@ func Lookup(host net.IP) (net.IP, error) {
 	if err != nil {
 		return nil, fmt.Errorf("RouteGet %v %s", host, err)
 	}
+	if len(routes) == 0 {
+		return nil, fmt.Errorf("RouteGet %v returned no routes", host)
+	}
 	route := routes[0]
 	src := route.Src
 	if route.Src.To4() != nil {