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//
// sfive
//
// sfive - spreadspace streaming statistics suite is a generic
// statistic collection tool for streaming server infrastuctures.
// The system collects and stores meta data like number of views
// and throughput from a number of streaming servers and stores
// it in a global data store.
// The data acquisition is designed to be generic and extensible in
// order to support different streaming software.
// sfive also contains tools and applications to filter and visualize
// live and recorded data.
//
//
// Copyright (C) 2014-2017 Christian Pointner <equinox@spreadspace.org>
// Markus Grüneis <gimpf@gimpf.org>
//
// This file is part of sfive.
//
// sfive is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 3
// as published by the Free Software Foundation.
//
// sfive is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with sfive. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"encoding/json"
"errors"
"os"
"time"
)
type Operation uint
const (
OpAdd Operation = iota
OpDel
OpSet
OpTime
)
func (o Operation) String() string {
switch o {
case OpAdd:
return "add"
case OpDel:
return "del"
case OpSet:
return "set"
case OpTime:
return "time"
}
return "unknown"
}
func (o *Operation) fromString(str string) (err error) {
switch str {
case "add":
*o = OpAdd
case "del":
*o = OpDel
case "set":
*o = OpSet
case "time":
*o = OpTime
default:
return errors.New("invalid operation: '" + str + "'")
}
return
}
func (o Operation) MarshalText() (data []byte, err error) {
data = []byte(o.String())
return
}
func (o *Operation) UnmarshalText(data []byte) (err error) {
return o.fromString(string(data))
}
type HeaderOperation struct {
Operation Operation `json:"op"`
Header string `json:"header"`
Value string `json:"value,omitempty"`
}
type Duration int64
func (d *Duration) UnmarshalText(data []byte) error {
v, err := time.ParseDuration(string(data))
if err != nil {
return err
}
if v < 1*time.Second {
return errors.New("duration must be >= 1s")
}
*d = Duration(v / time.Millisecond)
return nil
}
type SFiveConf struct {
Sock string `json:"socket"`
Hostname string `json:"hostname"`
Tags []string `json:"tags"`
Duration Duration `json:"duration"`
Format string `json:"format"`
Stream []string `json:"stream"`
}
type Config struct {
ListenAddr string `json:"listen"`
ConnectAddr string `json:"connect"`
CertFile string `json:"cert"`
KeyFile string `json:"key"`
RequestHeader []HeaderOperation `json:"request_header"`
ResponseHeader []HeaderOperation `json:"response_header"`
SFive SFiveConf `json:"sfive"`
}
func readConfig(configfile string) (conf *Config, err error) {
s5l.Printf("reading config from: %s", configfile)
var f *os.File
if f, err = os.Open(configfile); err != nil {
return
}
defer f.Close()
conf = &Config{}
conf.SFive.Duration = 10000
err = json.NewDecoder(f).Decode(conf)
return
}
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