TrueCloudLab/coredns
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Use context.Context

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Rename the old Context to State and use context.Context in the
middleware for intra-middleware communication and more.
This commit is contained in:
Miek Gieben 2016-03-19 07:18:57 +00:00
parent 523cc0a0fd
commit f907311cdf
27 changed files with 358 additions and 919 deletions
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9
middleware/middleware.go
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@ -5,6 +5,7 @@ import (
"time"
"github.com/miekg/dns"
"golang.org/x/net/context"
)
type (
@ -32,18 +33,18 @@ type (
// Otherwise, return values should be propagated down the middleware
// chain by returning them unchanged.
Handler interface {
ServeDNS(dns.ResponseWriter, *dns.Msg) (int, error)
ServeDNS(context.Context, dns.ResponseWriter, *dns.Msg) (int, error)
}
// HandlerFunc is a convenience type like dns.HandlerFunc, except
// ServeDNS returns an rcode and an error. See Handler
// documentation for more information.
HandlerFunc func(dns.ResponseWriter, *dns.Msg) (int, error)
HandlerFunc func(context.Context, dns.ResponseWriter, *dns.Msg) (int, error)
)
// ServeDNS implements the Handler interface.
func (f HandlerFunc) ServeDNS(w dns.ResponseWriter, r *dns.Msg) (int, error) {
return f(w, r)
func (f HandlerFunc) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
return f(ctx, w, r)
}
// IndexFile looks for a file in /root/fpath/indexFile for each string