mirror of https://github.com/tidwall/tile38.git
1092 lines
25 KiB
Go
1092 lines
25 KiB
Go
package server
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import (
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"bytes"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/mmcloughlin/geohash"
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"github.com/tidwall/boxtree/d2"
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"github.com/tidwall/geojson"
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"github.com/tidwall/geojson/geometry"
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"github.com/tidwall/resp"
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"github.com/tidwall/tile38/internal/collection"
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"github.com/tidwall/tile38/internal/glob"
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"github.com/tidwall/tinybtree"
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)
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type fvt struct {
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field string
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value float64
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}
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type byField []fvt
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func (a byField) Len() int {
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return len(a)
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}
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func (a byField) Less(i, j int) bool {
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return a[i].field < a[j].field
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}
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func (a byField) Swap(i, j int) {
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a[i], a[j] = a[j], a[i]
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}
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func orderFields(fmap map[string]int, fields *collection.Fields) []fvt {
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var fv fvt
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fvs := make([]fvt, 0, len(fmap))
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for field, idx := range fmap {
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fv.field = field
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fv.value = fields.Get(idx)
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if fv.value != 0 {
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fvs = append(fvs, fv)
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}
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}
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sort.Sort(byField(fvs))
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return fvs
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}
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func (server *Server) cmdBounds(msg *Message) (resp.Value, error) {
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start := time.Now()
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vs := msg.Args[1:]
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var ok bool
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var key string
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if vs, key, ok = tokenval(vs); !ok || key == "" {
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return NOMessage, errInvalidNumberOfArguments
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}
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if len(vs) != 0 {
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return NOMessage, errInvalidNumberOfArguments
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}
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col := server.getCol(key)
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if col == nil {
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if msg.OutputType == RESP {
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return resp.NullValue(), nil
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}
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return NOMessage, errKeyNotFound
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}
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vals := make([]resp.Value, 0, 2)
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var buf bytes.Buffer
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if msg.OutputType == JSON {
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buf.WriteString(`{"ok":true`)
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}
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minX, minY, maxX, maxY := col.Bounds()
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bbox := geojson.NewRect(geometry.Rect{
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Min: geometry.Point{X: minX, Y: minY},
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Max: geometry.Point{X: maxX, Y: maxY},
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})
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if msg.OutputType == JSON {
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buf.WriteString(`,"bounds":`)
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buf.WriteString(string(bbox.AppendJSON(nil)))
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} else {
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vals = append(vals, resp.ArrayValue([]resp.Value{
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resp.ArrayValue([]resp.Value{
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resp.FloatValue(minX),
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resp.FloatValue(minY),
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}),
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resp.ArrayValue([]resp.Value{
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resp.FloatValue(maxX),
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resp.FloatValue(maxY),
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}),
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}))
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}
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switch msg.OutputType {
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case JSON:
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buf.WriteString(`,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
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return resp.StringValue(buf.String()), nil
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case RESP:
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return vals[0], nil
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}
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return NOMessage, nil
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}
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func (server *Server) cmdType(msg *Message) (resp.Value, error) {
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start := time.Now()
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vs := msg.Args[1:]
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var ok bool
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var key string
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if vs, key, ok = tokenval(vs); !ok || key == "" {
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return NOMessage, errInvalidNumberOfArguments
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}
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col := server.getCol(key)
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if col == nil {
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if msg.OutputType == RESP {
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return resp.SimpleStringValue("none"), nil
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}
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return NOMessage, errKeyNotFound
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}
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typ := "hash"
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switch msg.OutputType {
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case JSON:
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return resp.StringValue(`{"ok":true,"type":` + string(typ) + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}"), nil
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case RESP:
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return resp.SimpleStringValue(typ), nil
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}
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return NOMessage, nil
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}
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func (server *Server) cmdGet(msg *Message) (resp.Value, error) {
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start := time.Now()
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vs := msg.Args[1:]
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var ok bool
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var key, id, typ, sprecision string
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if vs, key, ok = tokenval(vs); !ok || key == "" {
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return NOMessage, errInvalidNumberOfArguments
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}
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if vs, id, ok = tokenval(vs); !ok || id == "" {
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return NOMessage, errInvalidNumberOfArguments
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}
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withfields := false
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if _, peek, ok := tokenval(vs); ok && strings.ToLower(peek) == "withfields" {
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withfields = true
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vs = vs[1:]
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}
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col := server.getCol(key)
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if col == nil {
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if msg.OutputType == RESP {
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return resp.NullValue(), nil
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}
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return NOMessage, errKeyNotFound
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}
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o, fields, ok := col.Get(id)
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ok = ok && !server.hasExpired(key, id)
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if !ok {
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if msg.OutputType == RESP {
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return resp.NullValue(), nil
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}
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return NOMessage, errIDNotFound
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}
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vals := make([]resp.Value, 0, 2)
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var buf bytes.Buffer
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if msg.OutputType == JSON {
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buf.WriteString(`{"ok":true`)
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}
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vs, typ, ok = tokenval(vs)
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typ = strings.ToLower(typ)
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if !ok {
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typ = "object"
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}
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switch typ {
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default:
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return NOMessage, errInvalidArgument(typ)
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case "object":
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if msg.OutputType == JSON {
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buf.WriteString(`,"object":`)
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buf.WriteString(string(o.AppendJSON(nil)))
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} else {
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vals = append(vals, resp.StringValue(o.String()))
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}
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case "point":
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if msg.OutputType == JSON {
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buf.WriteString(`,"point":`)
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buf.Write(appendJSONSimplePoint(nil, o))
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} else {
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point := o.Center()
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z, _ := geojson.IsPoint(o)
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if z != 0 {
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vals = append(vals, resp.ArrayValue([]resp.Value{
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resp.StringValue(strconv.FormatFloat(point.Y, 'f', -1, 64)),
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resp.StringValue(strconv.FormatFloat(point.X, 'f', -1, 64)),
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resp.StringValue(strconv.FormatFloat(z, 'f', -1, 64)),
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}))
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} else {
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vals = append(vals, resp.ArrayValue([]resp.Value{
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resp.StringValue(strconv.FormatFloat(point.Y, 'f', -1, 64)),
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resp.StringValue(strconv.FormatFloat(point.X, 'f', -1, 64)),
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}))
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}
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}
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case "hash":
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if vs, sprecision, ok = tokenval(vs); !ok || sprecision == "" {
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return NOMessage, errInvalidNumberOfArguments
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}
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if msg.OutputType == JSON {
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buf.WriteString(`,"hash":`)
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}
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precision, err := strconv.ParseInt(sprecision, 10, 64)
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if err != nil || precision < 1 || precision > 64 {
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return NOMessage, errInvalidArgument(sprecision)
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}
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center := o.Center()
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p := geohash.EncodeWithPrecision(center.Y, center.X, uint(precision))
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if msg.OutputType == JSON {
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buf.WriteString(`"` + p + `"`)
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} else {
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vals = append(vals, resp.StringValue(p))
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}
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case "bounds":
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if msg.OutputType == JSON {
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buf.WriteString(`,"bounds":`)
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buf.Write(appendJSONSimpleBounds(nil, o))
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} else {
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bbox := o.Rect()
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vals = append(vals, resp.ArrayValue([]resp.Value{
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resp.ArrayValue([]resp.Value{
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resp.FloatValue(bbox.Min.Y),
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resp.FloatValue(bbox.Min.X),
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}),
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resp.ArrayValue([]resp.Value{
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resp.FloatValue(bbox.Max.Y),
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resp.FloatValue(bbox.Max.X),
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}),
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}))
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}
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}
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if len(vs) != 0 {
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return NOMessage, errInvalidNumberOfArguments
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}
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if withfields {
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fvs := orderFields(col.FieldMap(), fields)
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if len(fvs) > 0 {
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fvals := make([]resp.Value, 0, len(fvs)*2)
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if msg.OutputType == JSON {
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buf.WriteString(`,"fields":{`)
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}
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for i, fv := range fvs {
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if msg.OutputType == JSON {
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if i > 0 {
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buf.WriteString(`,`)
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}
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buf.WriteString(jsonString(fv.field) + ":" + strconv.FormatFloat(fv.value, 'f', -1, 64))
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} else {
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fvals = append(fvals, resp.StringValue(fv.field), resp.StringValue(strconv.FormatFloat(fv.value, 'f', -1, 64)))
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}
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i++
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}
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if msg.OutputType == JSON {
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buf.WriteString(`}`)
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} else {
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vals = append(vals, resp.ArrayValue(fvals))
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}
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}
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}
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switch msg.OutputType {
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case JSON:
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buf.WriteString(`,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
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return resp.StringValue(buf.String()), nil
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case RESP:
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var oval resp.Value
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if withfields {
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oval = resp.ArrayValue(vals)
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} else {
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oval = vals[0]
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}
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return oval, nil
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}
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return NOMessage, nil
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}
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func (server *Server) cmdDel(msg *Message) (res resp.Value, d commandDetails, err error) {
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start := time.Now()
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vs := msg.Args[1:]
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var ok bool
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if vs, d.key, ok = tokenval(vs); !ok || d.key == "" {
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err = errInvalidNumberOfArguments
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return
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}
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if vs, d.id, ok = tokenval(vs); !ok || d.id == "" {
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err = errInvalidNumberOfArguments
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return
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}
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if len(vs) != 0 {
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err = errInvalidNumberOfArguments
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return
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}
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found := false
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col := server.getCol(d.key)
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if col != nil {
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d.obj, d.fields, ok = col.Delete(d.id)
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if ok {
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if col.Count() == 0 {
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server.deleteCol(d.key)
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}
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found = true
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}
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}
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server.clearIDExpires(d.key, d.id)
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d.command = "del"
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d.updated = found
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d.timestamp = time.Now()
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switch msg.OutputType {
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case JSON:
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res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
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case RESP:
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if d.updated {
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res = resp.IntegerValue(1)
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} else {
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res = resp.IntegerValue(0)
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}
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}
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return
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}
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func (server *Server) cmdPdel(msg *Message) (res resp.Value, d commandDetails, err error) {
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start := time.Now()
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vs := msg.Args[1:]
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var ok bool
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if vs, d.key, ok = tokenval(vs); !ok || d.key == "" {
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err = errInvalidNumberOfArguments
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return
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}
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if vs, d.pattern, ok = tokenval(vs); !ok || d.pattern == "" {
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err = errInvalidNumberOfArguments
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return
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}
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if len(vs) != 0 {
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err = errInvalidNumberOfArguments
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return
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}
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now := time.Now()
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iter := func(id string, o geojson.Object, fields *collection.Fields) bool {
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if match, _ := glob.Match(d.pattern, id); match {
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d.children = append(d.children, &commandDetails{
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command: "del",
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updated: true,
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timestamp: now,
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key: d.key,
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id: id,
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})
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}
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return true
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}
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var expired int
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col := server.getCol(d.key)
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if col != nil {
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g := glob.Parse(d.pattern, false)
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if g.Limits[0] == "" && g.Limits[1] == "" {
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col.Scan(false, nil, iter)
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} else {
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col.ScanRange(g.Limits[0], g.Limits[1], false, nil, iter)
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}
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var atLeastOneNotDeleted bool
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for i, dc := range d.children {
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dc.obj, dc.fields, ok = col.Delete(dc.id)
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if !ok {
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d.children[i].command = "?"
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atLeastOneNotDeleted = true
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} else {
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d.children[i] = dc
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}
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server.clearIDExpires(d.key, dc.id)
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}
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if atLeastOneNotDeleted {
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var nchildren []*commandDetails
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for _, dc := range d.children {
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if dc.command == "del" {
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nchildren = append(nchildren, dc)
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}
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}
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d.children = nchildren
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}
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if col.Count() == 0 {
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server.deleteCol(d.key)
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}
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}
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d.command = "pdel"
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d.updated = len(d.children) > 0
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d.timestamp = now
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d.parent = true
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switch msg.OutputType {
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case JSON:
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res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
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case RESP:
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total := len(d.children) - expired
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if total < 0 {
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total = 0
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}
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res = resp.IntegerValue(total)
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}
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return
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}
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func (server *Server) cmdDrop(msg *Message) (res resp.Value, d commandDetails, err error) {
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start := time.Now()
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vs := msg.Args[1:]
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var ok bool
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if vs, d.key, ok = tokenval(vs); !ok || d.key == "" {
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err = errInvalidNumberOfArguments
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return
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}
|
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if len(vs) != 0 {
|
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err = errInvalidNumberOfArguments
|
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return
|
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}
|
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col := server.getCol(d.key)
|
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if col != nil {
|
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server.deleteCol(d.key)
|
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d.updated = true
|
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} else {
|
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d.key = "" // ignore the details
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d.updated = false
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}
|
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d.command = "drop"
|
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d.timestamp = time.Now()
|
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server.clearKeyExpires(d.key)
|
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switch msg.OutputType {
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case JSON:
|
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res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
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case RESP:
|
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if d.updated {
|
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res = resp.IntegerValue(1)
|
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} else {
|
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res = resp.IntegerValue(0)
|
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}
|
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}
|
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return
|
|
}
|
|
|
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func (server *Server) cmdRename(msg *Message, nx bool) (res resp.Value, d commandDetails, err error) {
|
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start := time.Now()
|
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vs := msg.Args[1:]
|
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var ok bool
|
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if vs, d.key, ok = tokenval(vs); !ok || d.key == "" {
|
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err = errInvalidNumberOfArguments
|
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return
|
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}
|
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if vs, d.newKey, ok = tokenval(vs); !ok || d.newKey == "" {
|
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err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if len(vs) != 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
col := server.getCol(d.key)
|
|
if col == nil {
|
|
err = errKeyNotFound
|
|
return
|
|
}
|
|
for _, h := range server.hooks {
|
|
if h.Key == d.key || h.Key == d.newKey {
|
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err = errKeyHasHooksSet
|
|
return
|
|
}
|
|
}
|
|
d.command = "rename"
|
|
newCol := server.getCol(d.newKey)
|
|
if newCol == nil {
|
|
d.updated = true
|
|
} else if nx {
|
|
d.updated = false
|
|
} else {
|
|
server.deleteCol(d.newKey)
|
|
server.clearKeyExpires(d.newKey)
|
|
d.updated = true
|
|
}
|
|
if d.updated {
|
|
server.deleteCol(d.key)
|
|
server.setCol(d.newKey, col)
|
|
server.moveKeyExpires(d.key, d.newKey)
|
|
}
|
|
d.timestamp = time.Now()
|
|
switch msg.OutputType {
|
|
case JSON:
|
|
res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
case RESP:
|
|
if !nx {
|
|
res = resp.SimpleStringValue("OK")
|
|
} else if d.updated {
|
|
res = resp.IntegerValue(1)
|
|
} else {
|
|
res = resp.IntegerValue(0)
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) cmdFlushDB(msg *Message) (res resp.Value, d commandDetails, err error) {
|
|
start := time.Now()
|
|
vs := msg.Args[1:]
|
|
if len(vs) != 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
server.cols = tinybtree.BTree{}
|
|
server.exlistmu.Lock()
|
|
server.exlist = nil
|
|
server.exlistmu.Unlock()
|
|
server.expires = make(map[string]map[string]time.Time)
|
|
server.hooks = make(map[string]*Hook)
|
|
server.hooksOut = make(map[string]*Hook)
|
|
server.hookTree = d2.BoxTree{}
|
|
d.command = "flushdb"
|
|
d.updated = true
|
|
d.timestamp = time.Now()
|
|
switch msg.OutputType {
|
|
case JSON:
|
|
res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
case RESP:
|
|
res = resp.SimpleStringValue("OK")
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) parseSetArgs(vs []string) (
|
|
d commandDetails, fields []string, values []float64,
|
|
xx, nx bool,
|
|
expires *float64, etype []byte, evs []string, err error,
|
|
) {
|
|
var ok bool
|
|
var typ []byte
|
|
if vs, d.key, ok = tokenval(vs); !ok || d.key == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, d.id, ok = tokenval(vs); !ok || d.id == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
var arg []byte
|
|
var nvs []string
|
|
for {
|
|
if nvs, arg, ok = tokenvalbytes(vs); !ok || len(arg) == 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if lcb(arg, "field") {
|
|
vs = nvs
|
|
var name string
|
|
var svalue string
|
|
var value float64
|
|
if vs, name, ok = tokenval(vs); !ok || name == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if isReservedFieldName(name) {
|
|
err = errInvalidArgument(name)
|
|
return
|
|
}
|
|
if vs, svalue, ok = tokenval(vs); !ok || svalue == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
value, err = strconv.ParseFloat(svalue, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(svalue)
|
|
return
|
|
}
|
|
fields = append(fields, name)
|
|
values = append(values, value)
|
|
continue
|
|
}
|
|
if lcb(arg, "ex") {
|
|
vs = nvs
|
|
if expires != nil {
|
|
err = errInvalidArgument(string(arg))
|
|
return
|
|
}
|
|
var s string
|
|
var v float64
|
|
if vs, s, ok = tokenval(vs); !ok || s == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
v, err = strconv.ParseFloat(s, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(s)
|
|
return
|
|
}
|
|
expires = &v
|
|
continue
|
|
}
|
|
if lcb(arg, "xx") {
|
|
vs = nvs
|
|
if nx {
|
|
err = errInvalidArgument(string(arg))
|
|
return
|
|
}
|
|
xx = true
|
|
continue
|
|
}
|
|
if lcb(arg, "nx") {
|
|
vs = nvs
|
|
if xx {
|
|
err = errInvalidArgument(string(arg))
|
|
return
|
|
}
|
|
nx = true
|
|
continue
|
|
}
|
|
break
|
|
}
|
|
if vs, typ, ok = tokenvalbytes(vs); !ok || len(typ) == 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if len(vs) == 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
etype = typ
|
|
evs = vs
|
|
switch {
|
|
default:
|
|
err = errInvalidArgument(string(typ))
|
|
return
|
|
case lcb(typ, "string"):
|
|
var str string
|
|
if vs, str, ok = tokenval(vs); !ok {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
d.obj = collection.String(str)
|
|
case lcb(typ, "point"):
|
|
var slat, slon, sz string
|
|
if vs, slat, ok = tokenval(vs); !ok || slat == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, slon, ok = tokenval(vs); !ok || slon == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
vs, sz, ok = tokenval(vs)
|
|
if !ok || sz == "" {
|
|
var x, y float64
|
|
y, err = strconv.ParseFloat(slat, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(slat)
|
|
return
|
|
}
|
|
x, err = strconv.ParseFloat(slon, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(slon)
|
|
return
|
|
}
|
|
if server.geomParseOpts.AllowSimplePoints {
|
|
d.obj = geojson.NewSimplePoint(geometry.Point{X: x, Y: y})
|
|
} else {
|
|
d.obj = geojson.NewPoint(geometry.Point{X: x, Y: y})
|
|
}
|
|
} else {
|
|
var x, y, z float64
|
|
y, err = strconv.ParseFloat(slat, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(slat)
|
|
return
|
|
}
|
|
x, err = strconv.ParseFloat(slon, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(slon)
|
|
return
|
|
}
|
|
z, err = strconv.ParseFloat(sz, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(sz)
|
|
return
|
|
}
|
|
d.obj = geojson.NewPointZ(geometry.Point{X: x, Y: y}, z)
|
|
}
|
|
case lcb(typ, "bounds"):
|
|
var sminlat, sminlon, smaxlat, smaxlon string
|
|
if vs, sminlat, ok = tokenval(vs); !ok || sminlat == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, sminlon, ok = tokenval(vs); !ok || sminlon == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, smaxlat, ok = tokenval(vs); !ok || smaxlat == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, smaxlon, ok = tokenval(vs); !ok || smaxlon == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
var minlat, minlon, maxlat, maxlon float64
|
|
minlat, err = strconv.ParseFloat(sminlat, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(sminlat)
|
|
return
|
|
}
|
|
minlon, err = strconv.ParseFloat(sminlon, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(sminlon)
|
|
return
|
|
}
|
|
maxlat, err = strconv.ParseFloat(smaxlat, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(smaxlat)
|
|
return
|
|
}
|
|
maxlon, err = strconv.ParseFloat(smaxlon, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(smaxlon)
|
|
return
|
|
}
|
|
d.obj = geojson.NewRect(geometry.Rect{
|
|
Min: geometry.Point{X: minlon, Y: minlat},
|
|
Max: geometry.Point{X: maxlon, Y: maxlat},
|
|
})
|
|
case lcb(typ, "hash"):
|
|
var shash string
|
|
if vs, shash, ok = tokenval(vs); !ok || shash == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
lat, lon := geohash.Decode(shash)
|
|
if server.geomParseOpts.AllowSimplePoints {
|
|
d.obj = geojson.NewSimplePoint(geometry.Point{X: lon, Y: lat})
|
|
} else {
|
|
d.obj = geojson.NewPoint(geometry.Point{X: lon, Y: lat})
|
|
}
|
|
case lcb(typ, "object"):
|
|
var object string
|
|
if vs, object, ok = tokenval(vs); !ok || object == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
d.obj, err = geojson.Parse(object, &server.geomParseOpts)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
if len(vs) != 0 {
|
|
err = errInvalidNumberOfArguments
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) cmdSet(msg *Message) (res resp.Value, d commandDetails, err error) {
|
|
if server.config.maxMemory() > 0 && server.outOfMemory.on() {
|
|
err = errOOM
|
|
return
|
|
}
|
|
start := time.Now()
|
|
vs := msg.Args[1:]
|
|
var fmap map[string]int
|
|
var fields []string
|
|
var values []float64
|
|
var xx, nx bool
|
|
var ex *float64
|
|
d, fields, values, xx, nx, ex, _, _, err = server.parseSetArgs(vs)
|
|
if err != nil {
|
|
return
|
|
}
|
|
col := server.getCol(d.key)
|
|
if col == nil {
|
|
if xx {
|
|
goto notok
|
|
}
|
|
col = collection.New()
|
|
server.setCol(d.key, col)
|
|
}
|
|
if xx || nx {
|
|
_, _, ok := col.Get(d.id)
|
|
if (nx && ok) || (xx && !ok) {
|
|
goto notok
|
|
}
|
|
}
|
|
server.clearIDExpires(d.key, d.id)
|
|
d.oldObj, d.oldFields, d.fields = col.Set(d.id, d.obj, fields, values)
|
|
d.command = "set"
|
|
d.updated = true // perhaps we should do a diff on the previous object?
|
|
d.timestamp = time.Now()
|
|
if msg.ConnType != Null || msg.OutputType != Null {
|
|
// likely loaded from aof at server startup, ignore field remapping.
|
|
fmap = col.FieldMap()
|
|
d.fmap = make(map[string]int)
|
|
for key, idx := range fmap {
|
|
d.fmap[key] = idx
|
|
}
|
|
}
|
|
if ex != nil {
|
|
server.expireAt(d.key, d.id, d.timestamp.Add(time.Duration(float64(time.Second)*(*ex))))
|
|
}
|
|
switch msg.OutputType {
|
|
default:
|
|
case JSON:
|
|
res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
case RESP:
|
|
res = resp.SimpleStringValue("OK")
|
|
}
|
|
return
|
|
notok:
|
|
switch msg.OutputType {
|
|
default:
|
|
case JSON:
|
|
if nx {
|
|
err = errIDAlreadyExists
|
|
} else {
|
|
err = errIDNotFound
|
|
}
|
|
return
|
|
case RESP:
|
|
res = resp.NullValue()
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) parseFSetArgs(vs []string) (
|
|
d commandDetails, fields []string, values []float64, xx bool, err error,
|
|
) {
|
|
var ok bool
|
|
if vs, d.key, ok = tokenval(vs); !ok || d.key == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, d.id, ok = tokenval(vs); !ok || d.id == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
for len(vs) > 0 {
|
|
var name string
|
|
if vs, name, ok = tokenval(vs); !ok || name == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if lc(name, "xx") {
|
|
xx = true
|
|
continue
|
|
}
|
|
if isReservedFieldName(name) {
|
|
err = errInvalidArgument(name)
|
|
return
|
|
}
|
|
var svalue string
|
|
var value float64
|
|
if vs, svalue, ok = tokenval(vs); !ok || svalue == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
value, err = strconv.ParseFloat(svalue, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(svalue)
|
|
return
|
|
}
|
|
fields = append(fields, name)
|
|
values = append(values, value)
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) cmdFset(msg *Message) (res resp.Value, d commandDetails, err error) {
|
|
if server.config.maxMemory() > 0 && server.outOfMemory.on() {
|
|
err = errOOM
|
|
return
|
|
}
|
|
start := time.Now()
|
|
vs := msg.Args[1:]
|
|
var fields []string
|
|
var values []float64
|
|
var xx bool
|
|
var updateCount int
|
|
d, fields, values, xx, err = server.parseFSetArgs(vs)
|
|
|
|
col := server.getCol(d.key)
|
|
if col == nil {
|
|
err = errKeyNotFound
|
|
return
|
|
}
|
|
var ok bool
|
|
d.obj, d.fields, updateCount, ok = col.SetFields(d.id, fields, values)
|
|
if !(ok || xx) {
|
|
err = errIDNotFound
|
|
return
|
|
}
|
|
if ok {
|
|
d.command = "fset"
|
|
d.timestamp = time.Now()
|
|
d.updated = updateCount > 0
|
|
fmap := col.FieldMap()
|
|
d.fmap = make(map[string]int)
|
|
for key, idx := range fmap {
|
|
d.fmap[key] = idx
|
|
}
|
|
}
|
|
|
|
switch msg.OutputType {
|
|
case JSON:
|
|
res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
case RESP:
|
|
res = resp.IntegerValue(updateCount)
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) cmdExpire(msg *Message) (res resp.Value, d commandDetails, err error) {
|
|
start := time.Now()
|
|
vs := msg.Args[1:]
|
|
var key, id, svalue string
|
|
var ok bool
|
|
if vs, key, ok = tokenval(vs); !ok || key == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, id, ok = tokenval(vs); !ok || id == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, svalue, ok = tokenval(vs); !ok || svalue == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if len(vs) != 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
var value float64
|
|
value, err = strconv.ParseFloat(svalue, 64)
|
|
if err != nil {
|
|
err = errInvalidArgument(svalue)
|
|
return
|
|
}
|
|
ok = false
|
|
col := server.getCol(key)
|
|
if col != nil {
|
|
_, _, ok = col.Get(id)
|
|
ok = ok && !server.hasExpired(key, id)
|
|
}
|
|
if ok {
|
|
server.expireAt(key, id, time.Now().Add(time.Duration(float64(time.Second)*value)))
|
|
d.updated = true
|
|
}
|
|
switch msg.OutputType {
|
|
case JSON:
|
|
if ok {
|
|
res = resp.StringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
} else {
|
|
return resp.SimpleStringValue(""), d, errIDNotFound
|
|
}
|
|
case RESP:
|
|
if ok {
|
|
res = resp.IntegerValue(1)
|
|
} else {
|
|
res = resp.IntegerValue(0)
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) cmdPersist(msg *Message) (res resp.Value, d commandDetails, err error) {
|
|
start := time.Now()
|
|
vs := msg.Args[1:]
|
|
var key, id string
|
|
var ok bool
|
|
if vs, key, ok = tokenval(vs); !ok || key == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, id, ok = tokenval(vs); !ok || id == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if len(vs) != 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
var cleared bool
|
|
ok = false
|
|
col := server.getCol(key)
|
|
if col != nil {
|
|
_, _, ok = col.Get(id)
|
|
ok = ok && !server.hasExpired(key, id)
|
|
if ok {
|
|
cleared = server.clearIDExpires(key, id)
|
|
}
|
|
}
|
|
if !ok {
|
|
if msg.OutputType == RESP {
|
|
return resp.IntegerValue(0), d, nil
|
|
}
|
|
return resp.SimpleStringValue(""), d, errIDNotFound
|
|
}
|
|
d.command = "persist"
|
|
d.updated = cleared
|
|
d.timestamp = time.Now()
|
|
switch msg.OutputType {
|
|
case JSON:
|
|
res = resp.SimpleStringValue(`{"ok":true,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
case RESP:
|
|
if cleared {
|
|
res = resp.IntegerValue(1)
|
|
} else {
|
|
res = resp.IntegerValue(0)
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func (server *Server) cmdTTL(msg *Message) (res resp.Value, err error) {
|
|
start := time.Now()
|
|
vs := msg.Args[1:]
|
|
var key, id string
|
|
var ok bool
|
|
if vs, key, ok = tokenval(vs); !ok || key == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if vs, id, ok = tokenval(vs); !ok || id == "" {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
if len(vs) != 0 {
|
|
err = errInvalidNumberOfArguments
|
|
return
|
|
}
|
|
var v float64
|
|
ok = false
|
|
var ok2 bool
|
|
col := server.getCol(key)
|
|
if col != nil {
|
|
_, _, ok = col.Get(id)
|
|
ok = ok && !server.hasExpired(key, id)
|
|
if ok {
|
|
var at time.Time
|
|
at, ok2 = server.getExpires(key, id)
|
|
if ok2 {
|
|
if time.Now().After(at) {
|
|
ok2 = false
|
|
} else {
|
|
v = float64(at.Sub(time.Now())) / float64(time.Second)
|
|
if v < 0 {
|
|
v = 0
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
switch msg.OutputType {
|
|
case JSON:
|
|
if ok {
|
|
var ttl string
|
|
if ok2 {
|
|
ttl = strconv.FormatFloat(v, 'f', -1, 64)
|
|
} else {
|
|
ttl = "-1"
|
|
}
|
|
res = resp.SimpleStringValue(
|
|
`{"ok":true,"ttl":` + ttl + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
|
|
} else {
|
|
return resp.SimpleStringValue(""), errIDNotFound
|
|
}
|
|
case RESP:
|
|
if ok {
|
|
if ok2 {
|
|
res = resp.IntegerValue(int(v))
|
|
} else {
|
|
res = resp.IntegerValue(-1)
|
|
}
|
|
} else {
|
|
res = resp.IntegerValue(-2)
|
|
}
|
|
}
|
|
return
|
|
}
|