| // Copyright 2018 Google LLC |
| // |
| // 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. |
| |
| //go:build psdebug |
| // +build psdebug |
| |
| package pubsub |
| |
| import ( |
| "sync" |
| "time" |
| ) |
| |
| var ( |
| dmu sync.Mutex |
| msgTraces = map[string][]Event{} |
| ackIDToMsgID = map[string]string{} |
| ) |
| |
| type Event struct { |
| Desc string |
| At time.Time |
| } |
| |
| func MessageEvents(msgID string) []Event { |
| dmu.Lock() |
| defer dmu.Unlock() |
| return msgTraces[msgID] |
| } |
| |
| func addRecv(msgID, ackID string, t time.Time) { |
| dmu.Lock() |
| defer dmu.Unlock() |
| ackIDToMsgID[ackID] = msgID |
| addEvent(msgID, "recv", t) |
| } |
| |
| func addAcks(ackIDs []string) { |
| dmu.Lock() |
| defer dmu.Unlock() |
| now := time.Now() |
| for _, id := range ackIDs { |
| addEvent(ackIDToMsgID[id], "ack", now) |
| } |
| } |
| |
| func addModAcks(ackIDs []string, deadlineSecs int32) { |
| dmu.Lock() |
| defer dmu.Unlock() |
| desc := "modack" |
| if deadlineSecs == 0 { |
| desc = "nack" |
| } |
| now := time.Now() |
| for _, id := range ackIDs { |
| addEvent(ackIDToMsgID[id], desc, now) |
| } |
| } |
| |
| func addEvent(msgID, desc string, t time.Time) { |
| msgTraces[msgID] = append(msgTraces[msgID], Event{desc, t}) |
| } |