mapserver/server/app/config.go
2019-01-29 18:00:00 +01:00

126 lines
2.5 KiB
Go

package app
import (
"encoding/json"
"io/ioutil"
"mapserver/coords"
"mapserver/layer"
"os"
"runtime"
"sync"
)
type Config struct {
Port int `json:"port"`
EnableRendering bool `json:"enablerendering"`
Webdev bool `json:"webdev"`
WebApi *WebApiConfig `json:"webapi"`
RenderState *RenderStateType `json:"renderstate"`
Layers []layer.Layer `json:"layers"`
RenderingFetchLimit int `json:"renderingfetchlimit"`
RenderingJobs int `json:"renderingjobs"`
RenderingQueue int `json:"renderingqueue"`
}
type WebApiConfig struct {
//mapblock debugging
EnableMapblock bool `json:"enablemapblock"`
//mod http bridge secret
SecretKey string `json:"secretkey"`
}
type RenderStateType struct {
//Initial rendering flag (true=still active)
InitialRun bool `json:"initialrun"`
LegacyProcessed int `json:"legacyprocessed"`
//Last initial rendering coords
LastX int `json:"lastx"`
LastY int `json:"lasty"`
LastZ int `json:"lastz"`
//Last mtime of incremental rendering
LastMtime int64 `json:"lastmtime"`
}
var lock sync.Mutex
const ConfigFile = "mapserver.json"
func (cfg *Config) Save() error {
return WriteConfig(ConfigFile, cfg)
}
func WriteConfig(filename string, cfg *Config) error {
lock.Lock()
defer lock.Unlock()
f, err := os.Create(filename)
if err != nil {
return err
}
defer f.Close()
str, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
return err
}
f.Write(str)
return nil
}
func ParseConfig(filename string) (*Config, error) {
webapi := WebApiConfig{
EnableMapblock: false,
SecretKey: RandStringRunes(16),
}
rstate := RenderStateType{
InitialRun: true,
LastX: coords.MinCoord - 1,
LastY: coords.MinCoord - 1,
LastZ: coords.MinCoord - 1,
LastMtime: 0,
}
layers := []layer.Layer{
layer.Layer{
Id: 0,
Name: "Base",
From: -16,
To: 160,
},
}
cfg := Config{
Port: 8080,
EnableRendering: true,
Webdev: false,
WebApi: &webapi,
RenderState: &rstate,
Layers: layers,
RenderingFetchLimit: 1000,
RenderingJobs: runtime.NumCPU(),
RenderingQueue: 100,
}
info, err := os.Stat(filename)
if info != nil && err == nil {
data, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
err = json.Unmarshal(data, &cfg)
if err != nil {
return nil, err
}
}
return &cfg, nil
}