85 lines
2.3 KiB
Go
85 lines
2.3 KiB
Go
// Copyright (c) 2021 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package query
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import (
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"context"
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"fmt"
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"net"
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"github.com/blevesearch/bleve/v2/mapping"
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"github.com/blevesearch/bleve/v2/search"
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"github.com/blevesearch/bleve/v2/search/searcher"
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index "github.com/blevesearch/bleve_index_api"
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)
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type IPRangeQuery struct {
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CIDR string `json:"cidr,omitempty"`
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FieldVal string `json:"field,omitempty"`
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BoostVal *Boost `json:"boost,omitempty"`
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}
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func NewIPRangeQuery(cidr string) *IPRangeQuery {
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return &IPRangeQuery{
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CIDR: cidr,
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}
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}
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func (q *IPRangeQuery) SetBoost(b float64) {
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boost := Boost(b)
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q.BoostVal = &boost
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}
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func (q *IPRangeQuery) Boost() float64 {
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return q.BoostVal.Value()
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}
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func (q *IPRangeQuery) SetField(f string) {
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q.FieldVal = f
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}
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func (q *IPRangeQuery) Field() string {
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return q.FieldVal
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}
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func (q *IPRangeQuery) Searcher(ctx context.Context, i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
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field := q.FieldVal
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if q.FieldVal == "" {
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field = m.DefaultSearchField()
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}
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_, ipNet, err := net.ParseCIDR(q.CIDR)
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if err != nil {
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ip := net.ParseIP(q.CIDR)
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if ip == nil {
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return nil, err
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}
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// If we are searching for a specific ip rather than members of a network, just use a term search.
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return searcher.NewTermSearcherBytes(ctx, i, ip.To16(), field, q.BoostVal.Value(), options)
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}
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return searcher.NewIPRangeSearcher(ctx, i, ipNet, field, q.BoostVal.Value(), options)
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}
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func (q *IPRangeQuery) Validate() error {
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_, _, err := net.ParseCIDR(q.CIDR)
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if err == nil {
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return nil
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}
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// We also allow search for a specific IP.
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ip := net.ParseIP(q.CIDR)
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if ip != nil {
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return nil // we have a valid ip
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}
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return fmt.Errorf("IPRangeQuery must be for a network or ip address, %q", q.CIDR)
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}
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