/
driver.go
63 lines (54 loc) · 1.65 KB
/
driver.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 trace
import (
"fmt"
"mosn.io/mosn/pkg/types"
)
type holder struct {
types.Tracer
types.TracerBuilder
}
type defaultDriver struct {
tracers map[types.Protocol]*holder
}
func (d *defaultDriver) Init(config map[string]interface{}) error {
for proto, holder := range d.tracers {
tracer, err := holder.TracerBuilder(config)
if err != nil {
return fmt.Errorf("build tracer for %v error, %s", proto, err)
}
holder.Tracer = tracer
}
return nil
}
func (d *defaultDriver) Register(proto types.Protocol, builder types.TracerBuilder) {
d.tracers[proto] = &holder{
TracerBuilder: builder,
}
}
func (d *defaultDriver) Get(proto types.Protocol) types.Tracer {
if holder, ok := d.tracers[proto]; ok {
return holder.Tracer
}
return nil
}
func NewDefaultDriverImpl() types.Driver {
return &defaultDriver{
tracers: make(map[types.Protocol]*holder),
}
}