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