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//
// rhctl
//
// Copyright (C) 2009-2016 Christian Pointner <equinox@helsinki.at>
//
// This file is part of rhctl.
//
// rhctl is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// rhctl 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 rhctl. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"errors"
"os"
"sort"
"strings"
"time"
"code.helsinki.at/goserial"
"github.com/naoina/toml"
)
type ConfigSwitchInputs []struct {
Number SwitchInputNum `toml:"number"`
Server string `toml:"server"`
Channel string `toml:"channel"`
}
func (p ConfigSwitchInputs) Len() int { return len(p) }
func (p ConfigSwitchInputs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
func (p ConfigSwitchInputs) Less(i, j int) bool { return p[i].Number < p[j].Number }
func (p ConfigSwitchInputs) GetNumber(server, channel string) (SwitchInputNum, error) {
for _, i := range p {
if i.Server == server && i.Channel == channel {
return i.Number, nil
}
}
return SwitchInputNum(0), errors.New("no such server/channel")
}
func (p ConfigSwitchInputs) GetServerAndChannel(in SwitchInputNum) (string, string, error) {
for _, i := range p {
if i.Number == in {
return i.Server, i.Channel, nil
}
}
return "", "", errors.New("no such input")
}
type Config struct {
Audioswitch struct {
Device string `toml:"dev"`
Baudrate goserial.Baudrate `toml:"baud"`
Timeout Duration `toml:"timeout"`
Unit SwitchUnitID `toml:"unit"`
Inputs ConfigSwitchInputs `toml:"inputs"`
}
Servers map[string]struct {
Device string `toml:"dev"`
Baudrate goserial.Baudrate `toml:"baud"`
HeartbeatTimeout Duration `toml:"heartbeat_timeout"`
HeartbeatThreshold uint `toml:"heartbeat_threshold"`
}
Timing struct {
Settling struct {
Awakening Duration `toml:"awakening"`
SelectServer Duration `toml:"select_server"`
UpdateStates Duration `toml:"update_states"`
}
StaleStates struct {
CheckInterval Duration `toml:"check_interval"`
MaxAge Duration `toml:"max_age"`
}
}
Clients struct {
Web struct {
Address string `toml:"addr"`
StaticDir string `toml:"static_files"`
}
Telnet struct {
Address string `toml:"addr"`
}
Noptcp struct {
Address string `toml:"addr"`
}
}
}
type Duration struct {
time.Duration
}
func (d *Duration) UnmarshalTOML(data []byte) (err error) {
ds := strings.Trim(string(data), "\"")
d.Duration, err = time.ParseDuration(ds)
if err == nil && d.Duration < 0 {
err = errors.New("negative durations are not allowed")
}
return
}
func ReadConfig(configfile string) (conf *Config, err error) {
conf = &Config{}
var f *os.File
if f, err = os.Open(configfile); err != nil {
return
}
defer f.Close()
decoder := toml.NewDecoder(f)
if err = decoder.Decode(conf); err != nil {
return
}
sort.Sort(conf.Audioswitch.Inputs)
for i := 1; i < len(conf.Audioswitch.Inputs); i++ {
if conf.Audioswitch.Inputs[i].Number == conf.Audioswitch.Inputs[i-1].Number {
return nil, errors.New("audioswitch port assignments must be unique")
}
}
return
}
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