feat: gitea client

vendor/google.golang.org/grpc/balancer/grpclb/grpclb_config.go

@@ -0,0 +1,67 @@
+/*
+ *
+ * Copyright 2019 gRPC 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 grpclb
+
+import (
+	"encoding/json"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/balancer/roundrobin"
+	"google.golang.org/grpc/serviceconfig"
+)
+
+const (
+	roundRobinName = roundrobin.Name
+	pickFirstName  = grpc.PickFirstBalancerName
+)
+
+type grpclbServiceConfig struct {
+	serviceconfig.LoadBalancingConfig
+	ChildPolicy *[]map[string]json.RawMessage
+	ServiceName string
+}
+
+func (b *lbBuilder) ParseConfig(lbConfig json.RawMessage) (serviceconfig.LoadBalancingConfig, error) {
+	ret := &grpclbServiceConfig{}
+	if err := json.Unmarshal(lbConfig, ret); err != nil {
+		return nil, err
+	}
+	return ret, nil
+}
+
+func childIsPickFirst(sc *grpclbServiceConfig) bool {
+	if sc == nil {
+		return false
+	}
+	childConfigs := sc.ChildPolicy
+	if childConfigs == nil {
+		return false
+	}
+	for _, childC := range *childConfigs {
+		// If round_robin exists before pick_first, return false
+		if _, ok := childC[roundRobinName]; ok {
+			return false
+		}
+		// If pick_first is before round_robin, return true
+		if _, ok := childC[pickFirstName]; ok {
+			return true
+		}
+	}
+	return false
+}