60 lines
1.2 KiB
Go
60 lines
1.2 KiB
Go
package tilerendererjob
|
|
|
|
import (
|
|
"mapserver/app"
|
|
"mapserver/coords"
|
|
"time"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
type IncrementalRenderEvent struct {
|
|
LastMtime int64 `json:"lastmtime"`
|
|
}
|
|
|
|
func incrementalRender(ctx *app.App, jobs chan *coords.TileCoords) {
|
|
|
|
rstate := ctx.Config.RenderState
|
|
|
|
fields := logrus.Fields{
|
|
"LastMtime": rstate.LastMtime,
|
|
}
|
|
logrus.WithFields(fields).Info("Starting incremental rendering job")
|
|
|
|
for true {
|
|
start := time.Now()
|
|
|
|
result, err := ctx.BlockAccessor.FindMapBlocksByMtime(rstate.LastMtime, ctx.Config.RenderingFetchLimit, ctx.Config.Layers)
|
|
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if len(result.List) == 0 && !result.HasMore {
|
|
time.Sleep(5 * time.Second)
|
|
continue
|
|
}
|
|
|
|
rstate.LastMtime = result.LastMtime
|
|
ctx.Config.Save()
|
|
|
|
tiles := renderMapblocks(ctx, jobs, result.List)
|
|
|
|
t := time.Now()
|
|
elapsed := t.Sub(start)
|
|
|
|
ev := IncrementalRenderEvent{
|
|
LastMtime: result.LastMtime,
|
|
}
|
|
|
|
ctx.WebEventbus.Emit("incremental-render-progress", &ev)
|
|
|
|
fields := logrus.Fields{
|
|
"mapblocks": len(result.List),
|
|
"tiles": tiles,
|
|
"elapsed": elapsed,
|
|
}
|
|
logrus.WithFields(fields).Info("incremental rendering")
|
|
}
|
|
}
|