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ipmap.go
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ipmap.go
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package ipmap
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
import (
"errors"
"net"
"github.com/apache/trafficcontrol/v8/experimental/traffic_router_golang/coveragezone"
"github.com/apache/trafficcontrol/v8/lib/go-tc"
)
// TODO implement, with Coverage Zone File + Maxmind DB
var ErrNotFound = errors.New("not found")
type LatLon struct {
Lat float64
Lon float64
}
// DummyLocations returns dummy locations for IPs.
// TODO remove when real geo lookup is implemented
func DummyLocations() map[string]LatLon {
return map[string]LatLon{
"127.0.0.1": {39.579244, -104.934282},
"192.168.0.1": {39.579244, -104.934282},
"::1": {39.579244, -104.934282},
}
}
func New() coveragezone.CoverageZone {
return &ipmap{}
}
type ipmap struct{}
// Get takes an IP and returns the Latitude and Longitude.
func (i *ipmap) Get(ip net.IP) (tc.CRConfigLatitudeLongitude, bool) {
// TODO: get IP via req.RemoteAddr => net.SplitHostPort => net.ParseIP
locations := DummyLocations()
ll, ok := locations[ip.String()]
if !ok {
return tc.CRConfigLatitudeLongitude{}, false
}
return tc.CRConfigLatitudeLongitude{Lat: ll.Lat, Lon: ll.Lon}, true
}