VOL-1867 move simulated olt from voltha-go to voltha-simolt-adapter
Sourced from voltha-go commit 251a11c0ffe60512318a644cd6ce0dc4e12f4018
Change-Id: I8e7ee4da1fed739b3c461917301d2729a79307f5
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker_policy.go b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker_policy.go
new file mode 100644
index 0000000..463ddc2
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker_policy.go
@@ -0,0 +1,49 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed 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.
+
+package picker
+
+import "fmt"
+
+// Policy defines balancer picker policy.
+type Policy uint8
+
+const (
+ // TODO: custom picker is not supported yet.
+ // custom defines custom balancer picker.
+ custom Policy = iota
+
+ // RoundrobinBalanced balance loads over multiple endpoints
+ // and implements failover in roundrobin fashion.
+ RoundrobinBalanced Policy = iota
+
+ // TODO: only send loads to pinned address "RoundrobinFailover"
+ // just like how 3.3 client works
+ //
+ // TODO: priotize leader
+ // TODO: health-check
+ // TODO: weighted roundrobin
+ // TODO: power of two random choice
+)
+
+func (p Policy) String() string {
+ switch p {
+ case custom:
+ panic("'custom' picker policy is not supported yet")
+ case RoundrobinBalanced:
+ return "etcd-client-roundrobin-balanced"
+ default:
+ panic(fmt.Errorf("invalid balancer picker policy (%d)", p))
+ }
+}