func copyMetaTile(metaCoord gopnik.TileCoord, cfg *Config, from, to gopnik.CachePluginInterface) {
var metaTile []gopnik.Tile
for y := uint(0); y < cfg.MetaSize; y++ {
for x := uint(0); x < cfg.MetaSize; x++ {
coord := gopnik.TileCoord{
X: metaCoord.X + uint64(x),
Y: metaCoord.Y + uint64(y),
Zoom: metaCoord.Zoom,
Size: 1,
Tags: metaCoord.Tags,
}
attempt := 0
TRYLOOP:
for {
if cfg.Copy.Retries > 0 {
attempt++
}
var err error
var rawTile []byte
rawTile, err = from.Get(coord)
if err != nil {
if attempt <= cfg.Copy.Retries {
log.Error("Get error: %v", err)
continue
} else {
if cfg.Copy.SkipErrors {
log.Error("Get error: %v", err)
return
}
log.Fatalf("Get error: %v", err)
}
}
tile, err := gopnik.NewTile(rawTile)
if err != nil {
if attempt <= cfg.Copy.Retries {
log.Error("NewTile error: %v", err)
continue
} else {
if cfg.Copy.SkipErrors {
log.Error("NewTile error: %v", err)
return
}
log.Fatalf("NewTile error: %v", err)
}
}
metaTile = append(metaTile, *tile)
break TRYLOOP
}
}
}
attempt := 0
TRYLOOP2:
for {
if cfg.Copy.Retries > 0 {
attempt++
}
err := to.Set(metaCoord, metaTile)
if err != nil {
if attempt <= cfg.Copy.Retries {
log.Error("Set error: %v", err)
continue
} else {
if cfg.Copy.SkipErrors {
log.Error("Set error: %v", err)
return
}
log.Fatalf("Set error: %v", err)
}
}
break TRYLOOP2
}
}
