| package threadsafe |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import ( |
| "sync" |
| |
| tc "github.com/apache/trafficcontrol/lib/go-tc" |
| ) |
| |
| // CopyTrafficMonitorConfigMap returns a deep copy of the given TrafficMonitorConfigMap |
| func CopyTrafficMonitorConfigMap(a *tc.TrafficMonitorConfigMap) tc.TrafficMonitorConfigMap { |
| b := tc.TrafficMonitorConfigMap{} |
| b.TrafficServer = map[string]tc.TrafficServer{} |
| b.CacheGroup = map[string]tc.TMCacheGroup{} |
| b.Config = map[string]interface{}{} |
| b.TrafficMonitor = map[string]tc.TrafficMonitor{} |
| b.DeliveryService = map[string]tc.TMDeliveryService{} |
| b.Profile = map[string]tc.TMProfile{} |
| for k, v := range a.TrafficServer { |
| b.TrafficServer[k] = v |
| } |
| for k, v := range a.CacheGroup { |
| b.CacheGroup[k] = v |
| } |
| for k, v := range a.Config { |
| b.Config[k] = v |
| } |
| for k, v := range a.TrafficMonitor { |
| b.TrafficMonitor[k] = v |
| } |
| for k, v := range a.DeliveryService { |
| b.DeliveryService[k] = v |
| } |
| for k, v := range a.Profile { |
| b.Profile[k] = v |
| } |
| return b |
| } |
| |
| // TrafficMonitorConfigMapThreadsafe encapsulates a TrafficMonitorConfigMap safe for multiple readers and a single writer. |
| type TrafficMonitorConfigMap struct { |
| monitorConfig *tc.TrafficMonitorConfigMap |
| m *sync.RWMutex |
| } |
| |
| // NewTrafficMonitorConfigMap returns an encapsulated TrafficMonitorConfigMap safe for multiple readers and a single writer. |
| func NewTrafficMonitorConfigMap() TrafficMonitorConfigMap { |
| return TrafficMonitorConfigMap{monitorConfig: &tc.TrafficMonitorConfigMap{}, m: &sync.RWMutex{}} |
| } |
| |
| // Get returns the TrafficMonitorConfigMap. Callers MUST NOT modify, it is not threadsafe for mutation. If mutation is necessary, call CopyTrafficMonitorConfigMap(). |
| func (t *TrafficMonitorConfigMap) Get() tc.TrafficMonitorConfigMap { |
| t.m.RLock() |
| defer t.m.RUnlock() |
| return *t.monitorConfig |
| } |
| |
| // Set sets the TrafficMonitorConfigMap. This is only safe for one writer. This MUST NOT be called by multiple threads. |
| func (t *TrafficMonitorConfigMap) Set(c tc.TrafficMonitorConfigMap) { |
| t.m.Lock() |
| *t.monitorConfig = c |
| t.m.Unlock() |
| } |