mapserver/server/tilerendererjob/initial.go
NatureFreshMilk c80a9140e9 working tests
2019-02-14 08:50:54 +01:00

88 lines
1.8 KiB
Go

package tilerendererjob
import (
"mapserver/app"
"mapserver/coords"
"mapserver/settings"
"time"
"github.com/sirupsen/logrus"
)
type InitialRenderEvent struct {
Progress int `json:"progress"`
}
func initialRender(ctx *app.App, jobs chan *coords.TileCoords) {
totalLegacyCount, err := ctx.Blockdb.CountBlocks(0, 0)
if err != nil {
panic(err)
}
fields := logrus.Fields{
"totalLegacyCount": totalLegacyCount,
}
logrus.WithFields(fields).Info("Starting initial rendering job")
for true {
start := time.Now()
result, err := ctx.BlockAccessor.FindNextLegacyBlocks(ctx.Settings, ctx.Config.Layers, ctx.Config.RenderingFetchLimit)
if err != nil {
panic(err)
}
legacyProcessed := ctx.Settings.GetInt(settings.SETTING_LEGACY_PROCESSED, 0)
if len(result.List) == 0 && !result.HasMore {
ctx.Settings.SetBool(settings.SETTING_INITIAL_RUN, false)
ev := InitialRenderEvent{
Progress: 100,
}
ctx.WebEventbus.Emit("initial-render-progress", &ev)
fields := logrus.Fields{
"legacyblocks": legacyProcessed,
}
logrus.WithFields(fields).Info("initial rendering complete")
return
}
tiles := renderMapblocks(ctx, jobs, result.List)
legacyProcessed += result.UnfilteredCount
ctx.Settings.SetInt(settings.SETTING_LEGACY_PROCESSED, legacyProcessed)
t := time.Now()
elapsed := t.Sub(start)
progress := int(float64(legacyProcessed) / float64(totalLegacyCount) * 100)
ev := InitialRenderEvent{
Progress: progress,
}
ctx.WebEventbus.Emit("initial-render-progress", &ev)
fields := logrus.Fields{
"mapblocks": len(result.List),
"tiles": tiles,
"processed": legacyProcessed,
"progress%": progress,
"elapsed": elapsed,
}
logrus.WithFields(fields).Info("Initial rendering")
//tile gc
ctx.TileDB.GC()
}
}