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conf.go
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conf.go
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// Copyright 2016 ETH Zurich
//
// Licensed 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 as_conf
import (
"fmt"
"io/ioutil"
"gopkg.in/yaml.v2"
"github.com/scionproto/scion/go/lib/common"
"github.com/scionproto/scion/go/lib/util"
)
type ASConf struct {
CertChainVersion int `yaml:"CertChainVersion"`
MasterASKey util.B64Bytes `yaml:"MasterASKey"`
PropagateTime int `yaml:"PropagateTime"`
RegisterPath bool `yaml:"RegisterPath"`
RegisterTime int `yaml:"RegisterTime"`
}
const CfgName = "as.yml"
const (
ErrorOpen = "Unable to open AS conf"
ErrorParse = "Unable to parse AS conf"
)
var CurrConf *ASConf
func Load(path string) error {
b, err := ioutil.ReadFile(path)
if err != nil {
return common.NewBasicError(ErrorOpen, err)
}
return Parse(b, path)
}
func Parse(data []byte, path string) error {
c := &ASConf{}
if err := yaml.Unmarshal(data, c); err != nil {
return common.NewBasicError(ErrorParse, err, "path", path)
}
CurrConf = c
return nil
}
func (a ASConf) String() string {
return fmt.Sprintf(
"CertChainVersion:%d MasterASKey:%s PropagateTime:%d RegisterPath:%t RegisterTime:%d",
a.CertChainVersion, a.MasterASKey, a.PropagateTime, a.RegisterPath, a.RegisterTime)
}