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-rw-r--r--plugin/pkg/proxy/errors.go26
1 files changed, 26 insertions, 0 deletions
diff --git a/plugin/pkg/proxy/errors.go b/plugin/pkg/proxy/errors.go
new file mode 100644
index 000000000..461236423
--- /dev/null
+++ b/plugin/pkg/proxy/errors.go
@@ -0,0 +1,26 @@
+package proxy
+
+import (
+ "errors"
+)
+
+var (
+ // ErrNoHealthy means no healthy proxies left.
+ ErrNoHealthy = errors.New("no healthy proxies")
+ // ErrNoForward means no forwarder defined.
+ ErrNoForward = errors.New("no forwarder defined")
+ // ErrCachedClosed means cached connection was closed by peer.
+ ErrCachedClosed = errors.New("cached connection was closed by peer")
+)
+
+// Options holds various Options that can be set.
+type Options struct {
+ // ForceTCP use TCP protocol for upstream DNS request. Has precedence over PreferUDP flag
+ ForceTCP bool
+ // PreferUDP use UDP protocol for upstream DNS request.
+ PreferUDP bool
+ // HCRecursionDesired sets recursion desired flag for Proxy healthcheck requests
+ HCRecursionDesired bool
+ // HCDomain sets domain for Proxy healthcheck requests
+ HCDomain string
+}