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config.go
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config.go
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// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
// 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 config
import (
"errors"
"strings"
"github.com/spf13/viper"
"github.com/PaddlePaddle/PaddleDTX/xdb/pkgs/file"
)
// The application can be running as a dataOwner node or a storage node.
const NodeTypeDataOwner = "dataOwner"
const NodeTypeStorage = "storage"
var (
// distinguish the mode of the application
serverType string
logConf *Log
// the configuration when running as a dataOwner node
dataOwnerConf *DataOwnerConf
// the configuration when running as a storage node
storageConf *StorageConf
)
type BlockchainConf struct {
Type string
Xchain *XchainConf
Fabric *FabricConf
}
type XchainConf struct {
Mnemonic string
ContractName string
ContractAccount string
ChainAddress string
ChainName string
}
type FabricConf struct {
ConfigFile string
ChannelID string
Chaincode string
UserName string
OrgName string
}
type MonitorConf struct {
ChallengingSwitch string
NodemaintainerSwitch string
FileclearInterval int
FilemaintainerSwitch string
FilemigrateInterval int
}
type ServerConf struct {
Name string
ListenAddress string
PrivateKey string
PublicAddress string
AllowCros bool
}
type Log struct {
Level string
Path string
}
// InitConfig, load and parses configuration file
func InitConfig(config string) error {
v := viper.New()
v.SetConfigFile(config)
if err := v.ReadInConfig(); err != nil {
return err
}
var err error
logConf = new(Log)
err = v.Sub("log").Unmarshal(logConf)
if err != nil {
return err
}
serverType = v.Get("type").(string)
if serverType == NodeTypeDataOwner {
dataOwnerConf = new(DataOwnerConf)
err = v.Sub(NodeTypeDataOwner).Unmarshal(dataOwnerConf)
} else if serverType == NodeTypeStorage {
storageConf = new(StorageConf)
err = v.Sub(NodeTypeStorage).Unmarshal(storageConf)
} else {
return errors.New("unSupported Node Type")
}
return err
}
// GetServerType
func GetServerType() string {
return serverType
}
// GetStorageConf
func GetStorageConf() *StorageConf {
return storageConf
}
// GetDataOwnerConf
func GetDataOwnerConf() *DataOwnerConf {
return dataOwnerConf
}
// GetLogConf
func GetLogConf() *Log {
return logConf
}
// GetServerConf
func GetServerConf() *ServerConf {
var privateKey string
if serverType == NodeTypeDataOwner {
privateKey = dataOwnerConf.PrivateKey
privateKeyBytes, err := file.ReadFile(dataOwnerConf.KeyPath, file.PrivateKeyFileName)
if err == nil && len(privateKeyBytes) != 0 {
privateKey = strings.TrimSpace(string(privateKeyBytes))
}
return &ServerConf{
Name: dataOwnerConf.Name,
ListenAddress: dataOwnerConf.ListenAddress,
PrivateKey: privateKey,
PublicAddress: dataOwnerConf.PublicAddress,
AllowCros: dataOwnerConf.AllowCros,
}
} else if serverType == NodeTypeStorage {
privateKey = storageConf.PrivateKey
privateKeyBytes, err := file.ReadFile(storageConf.KeyPath, file.PrivateKeyFileName)
if err == nil && len(privateKeyBytes) != 0 {
privateKey = strings.TrimSpace(string(privateKeyBytes))
}
return &ServerConf{
Name: storageConf.Name,
ListenAddress: storageConf.ListenAddress,
PrivateKey: privateKey,
PublicAddress: storageConf.PublicAddress,
}
} else {
return nil
}
}
// GetBlockchainConf
func GetBlockchainConf() *BlockchainConf {
if serverType == NodeTypeDataOwner {
return dataOwnerConf.Blockchain
} else if serverType == NodeTypeStorage {
return storageConf.Blockchain
} else {
return nil
}
}