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package geoip
import (
"github.com/coredns/caddy"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
)
const pluginName = "geoip"
func init() { plugin.Register(pluginName, setup) }
func setup(c *caddy.Controller) error {
geoip, err := geoipParse(c)
if err != nil {
return plugin.Error(pluginName, err)
}
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
geoip.Next = next
return geoip
})
return nil
}
func geoipParse(c *caddy.Controller) (*GeoIP, error) {
var dbPath string
for c.Next() {
if !c.NextArg() {
return nil, c.ArgErr()
}
if dbPath != "" {
return nil, c.Errf("configuring multiple databases is not supported")
}
dbPath = c.Val()
// There shouldn't be any more arguments.
if len(c.RemainingArgs()) != 0 {
return nil, c.ArgErr()
}
// The plugin should not have any config block.
if c.NextBlock() {
return nil, c.Err("unexpected config block")
}
}
geoIP, err := newGeoIP(dbPath)
if err != nil {
return geoIP, c.Err(err.Error())
}
return geoIP, nil
}
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