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moduleconfig.go
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moduleconfig.go
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package moduleconfig
import (
"encoding/json"
"errors"
"os"
"sync"
"github.com/dekoch/gouniversal/shared/config"
"github.com/dekoch/gouniversal/shared/console"
"github.com/dekoch/gouniversal/shared/io/file"
)
const configFilePath = "data/config/gpsnav/"
type gps struct {
Port string
Baud int
TimeOut int // millisecond
}
type gpx struct {
FileRoot string
TrackDistance float64
}
type route struct {
FilePath string
WptMaxDistance float64
}
type ModuleConfig struct {
Header config.FileHeader
UIFileRoot string
LangFileRoot string
Gps gps
Gpx gpx
Route route
}
var (
header config.FileHeader
mut sync.RWMutex
)
func init() {
header = config.FileHeader{HeaderVersion: 0.0, FileName: "gpsnav", ContentName: "gpsnav", ContentVersion: 1.0, Comment: ""}
}
func (hc *ModuleConfig) loadDefaults() {
mut.Lock()
defer mut.Unlock()
console.Log("loading defaults \""+configFilePath+header.FileName+"\"", " ")
hc.UIFileRoot = "data/ui/gpsnav/1.0/"
hc.LangFileRoot = "data/lang/gpsnav/"
hc.Gps.Port = "/dev/ttyACM0"
hc.Gps.Baud = 19200
hc.Gps.TimeOut = 500
hc.Gpx.FileRoot = "data/gpsnav/gpx/"
hc.Gpx.TrackDistance = 1.0
hc.Route.FilePath = "data/gpsnav/route.gpx"
hc.Route.WptMaxDistance = 5.0
}
func (hc ModuleConfig) SaveConfig() error {
mut.RLock()
defer mut.RUnlock()
hc.Header = config.BuildHeaderWithStruct(header)
b, err := json.Marshal(hc)
if err != nil {
console.Log(err, "")
return err
}
err = file.WriteFile(configFilePath+header.FileName, b)
if err != nil {
console.Log(err, "")
}
return err
}
func (hc *ModuleConfig) LoadConfig() error {
if _, err := os.Stat(configFilePath + header.FileName); os.IsNotExist(err) {
// if not found, create default file
hc.loadDefaults()
hc.SaveConfig()
}
mut.Lock()
defer mut.Unlock()
b, err := file.ReadFile(configFilePath + header.FileName)
if err != nil {
console.Log(err, "")
hc.loadDefaults()
} else {
err = json.Unmarshal(b, &hc)
if err != nil {
console.Log(err, "")
hc.loadDefaults()
}
}
if config.CheckHeader(hc.Header, header.ContentName) == false {
err = errors.New("wrong config \"" + configFilePath + header.FileName + "\"")
console.Log(err, "")
hc.loadDefaults()
}
return err
}
func (hc *ModuleConfig) SetGPSPort(port string) {
mut.Lock()
defer mut.Unlock()
hc.Gps.Port = port
}
func (hc *ModuleConfig) GetGPSPort() string {
mut.RLock()
defer mut.RUnlock()
return hc.Gps.Port
}
func (hc *ModuleConfig) SetGPSBaud(baud int) {
mut.Lock()
defer mut.Unlock()
hc.Gps.Baud = baud
}
func (hc *ModuleConfig) GetGPSBaud() int {
mut.RLock()
defer mut.RUnlock()
return hc.Gps.Baud
}
func (hc *ModuleConfig) SetGPSTimeOut(m int) {
mut.Lock()
defer mut.Unlock()
hc.Gps.TimeOut = m
}
func (hc *ModuleConfig) GetGPSTimeOut() int {
mut.RLock()
defer mut.RUnlock()
return hc.Gps.TimeOut
}
func (hc *ModuleConfig) GetGPXRoot() string {
mut.RLock()
defer mut.RUnlock()
return hc.Gpx.FileRoot
}
func (hc *ModuleConfig) GetGPXTrackDist() float64 {
mut.RLock()
defer mut.RUnlock()
return hc.Gpx.TrackDistance
}
func (hc *ModuleConfig) GetRouteFilePath() string {
mut.RLock()
defer mut.RUnlock()
return hc.Route.FilePath
}
func (hc *ModuleConfig) GetRouteWptMaxDist() float64 {
mut.RLock()
defer mut.RUnlock()
return hc.Route.WptMaxDistance
}