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package timeouts
import (
"time"
"github.com/coredns/caddy"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/plugin/pkg/durations"
)
func init() { plugin.Register("timeouts", setup) }
func setup(c *caddy.Controller) error {
err := parseTimeouts(c)
if err != nil {
return plugin.Error("timeouts", err)
}
return nil
}
func parseTimeouts(c *caddy.Controller) error {
config := dnsserver.GetConfig(c)
for c.Next() {
args := c.RemainingArgs()
if len(args) > 0 {
return plugin.Error("timeouts", c.ArgErr())
}
b := 0
for c.NextBlock() {
block := c.Val()
timeoutArgs := c.RemainingArgs()
if len(timeoutArgs) != 1 {
return c.ArgErr()
}
timeout, err := durations.NewDurationFromArg(timeoutArgs[0])
if err != nil {
return c.Err(err.Error())
}
if timeout < (1*time.Second) || timeout > (24*time.Hour) {
return c.Errf("timeout provided '%s' needs to be between 1 second and 24 hours", timeout)
}
switch block {
case "read":
config.ReadTimeout = timeout
case "write":
config.WriteTimeout = timeout
case "idle":
config.IdleTimeout = timeout
default:
return c.Errf("unknown option: '%s'", block)
}
b++
}
if b == 0 {
return plugin.Error("timeouts", c.Err("timeouts block with no timeouts specified"))
}
}
return nil
}
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