func (self *TileServer) ServeTileRequest(tc *gopnik.TileCoord, prio gopnikrpc.Priority, wait_storage bool) (tiles []gopnik.Tile, renderTime, saveTime time.Duration, err error) {
τ0 := time.Now()
tiles, renderTime, saveTime, err = self.serveTileRequest(tc, prio, wait_storage)
// Statistics
hReqT.AddPoint(time.Since(τ0).Seconds())
if err == nil {
hReqOk.Inc()
} else {
hReqErr.Inc()
}
// save to perflog
perflog.SavePerf(perflog.PerfLogEntry{
Timestamp: time.Now(),
Coord: *tc,
RenderTime: renderTime,
SaverTime: saveTime,
})
return
}
func main() {
cfg := gopnikprerenderlib.PrerenderGlobalConfig{
Prerender: gopnikprerenderlib.PrerenderConfig{
UIAddr: ":8088",
DebugAddr: ":8097",
NodeQueueSize: 100,
RequestTimeout: "1h",
},
CommonConfig: app.CommonConfig{
MetaSize: 8,
TileSize: 256,
},
}
app.App.Configure("Prerender", &cfg)
clI, err := plugins.DefaultPluginStore.Create(cfg.Prerender.Slaves.Plugin, cfg.Prerender.Slaves.PluginConfig)
if err != nil {
log.Fatal(err)
}
cl, ok := clI.(gopnik.ClusterPluginInterface)
if !ok {
log.Fatal("Invalid cache plugin type")
}
coords, err := loadPlanFile()
if err != nil {
log.Fatal(err)
}
coordsLen := len(coords)
slavesAddrs, err := cl.GetRenders()
if err != nil {
log.Fatalf("GetRenders error: %v", err)
}
// Setup perflog
if cfg.Prerender.PerfLog != "" {
perflog.SetupPerflog(cfg.Prerender.PerfLog)
}
// Timeouts
requestTimeout, err := time.ParseDuration(cfg.Prerender.RequestTimeout)
if err != nil {
log.Fatalf("Invalid request timeout: %v", err)
}
// Plan
coordinator := newCoordinator(slavesAddrs, requestTimeout, cfg.Prerender.NodeQueueSize, coords)
coords = nil
resChan := coordinator.Start()
// WebUI
if cfg.Prerender.UIAddr != "" {
cpI, err := plugins.DefaultPluginStore.Create(cfg.CachePlugin.Plugin, cfg.CachePlugin.PluginConfig)
if err != nil {
log.Fatal(err)
}
cp, ok := cpI.(gopnik.CachePluginInterface)
if !ok {
log.Fatal("Invalid cache plugin type")
}
go runWebUI(cfg.Prerender.UIAddr, coordinator, cp)
}
// Cli and log
bar := pb.StartNew(coordsLen)
for res := range resChan {
perflog.SavePerf(res)
bar.Increment()
}
bar.FinishPrint("Done")
}