/
factory.go
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/
factory.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package filter
import (
"fmt"
"sofastack.io/sofa-mosn/pkg/types"
)
var creatorStreamFactory map[string]StreamFilterFactoryCreator
var creatorNetworkFactory map[string]NetworkFilterFactoryCreator
func init() {
creatorStreamFactory = make(map[string]StreamFilterFactoryCreator)
creatorNetworkFactory = make(map[string]NetworkFilterFactoryCreator)
}
// RegisterStream registers the filterType as StreamFilterFactoryCreator
func RegisterStream(filterType string, creator StreamFilterFactoryCreator) {
creatorStreamFactory[filterType] = creator
}
// RegisterNetwork registers the filterType as NetworkFilterFactoryCreator
func RegisterNetwork(filterType string, creator NetworkFilterFactoryCreator) {
creatorNetworkFactory[filterType] = creator
}
// CreateStreamFilterChainFactory creates a StreamFilterChainFactory according to filterType
func CreateStreamFilterChainFactory(filterType string, config map[string]interface{}) (types.StreamFilterChainFactory, error) {
if cf, ok := creatorStreamFactory[filterType]; ok {
sfcf, err := cf(config)
if err != nil {
return nil, fmt.Errorf("create stream filter chain factory failed: %v", err)
}
return sfcf, nil
}
return nil, fmt.Errorf("unsupported stream filter type: %v", filterType)
}
// CreateNetworkFilterChainFactory creates a StreamFilterChainFactory according to filterType
func CreateNetworkFilterChainFactory(filterType string, config map[string]interface{}) (types.NetworkFilterChainFactory, error) {
if cf, ok := creatorNetworkFactory[filterType]; ok {
nfcf, err := cf(config)
if err != nil {
return nil, fmt.Errorf("create network filter chain factory failed: %v", err)
}
return nfcf, nil
}
return nil, fmt.Errorf("unsupported network filter type: %v", filterType)
}