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main.go
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main.go
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// -*- coding: utf-8 -*-
// Copyright (C) 2018 Nippon Telegraph and Telephone Corporation.
//
// 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 main
import (
"flag"
"fmt"
"os"
"strconv"
log "github.com/sirupsen/logrus"
)
const (
DEFAULT_CONFIG_NAME = "/etc/beluganos/netconf/nc-module-if.yaml"
DEFAULT_CONFIG_TYPE = "yaml"
)
type Args struct {
Path string
Type string
DpIds map[DatapathId]struct{}
Verbose bool
}
func NewArgs() *Args {
return &Args{
Path: "",
Type: "",
DpIds: map[DatapathId]struct{}{},
Verbose: false,
}
}
func (a *Args) String() string {
dpids := []DatapathId{}
for dpid, _ := range a.DpIds {
dpids = append(dpids, dpid)
}
return fmt.Sprintf("config='%s', type='%s', dpids=%v, verbose=%t", a.Path, a.Type, dpids, a.Verbose)
}
func (a *Args) Parse() {
flag.StringVar(&a.Path, "f", DEFAULT_CONFIG_NAME, "config file name.")
flag.StringVar(&a.Type, "type", DEFAULT_CONFIG_TYPE, "config file type.")
flag.BoolVar(&a.Verbose, "v", false, "show detail message.")
flag.Parse()
for _, arg := range flag.Args() {
dpid, err := strconv.ParseUint(arg, 0, 64)
if err != nil {
continue
}
a.DpIds[DatapathId(dpid)] = struct{}{}
}
}
func main() {
args := NewArgs()
args.Parse()
if args.Verbose {
log.SetLevel(log.DebugLevel)
}
log.Debugf("%s", args)
s := NewConfigServer(args.DpIds)
if err := s.Serve(args.Path, args.Type); err != nil {
log.Errorf("ConfigServer.Serve error. %s", err)
os.Exit(1)
}
}