size.go

// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package persistence

import "go.temporal.io/server/service/history/tasks"

func statusOfInternalWorkflow(
	state *InternalWorkflowMutableState,
	historyStatistics *HistoryStatistics,
) *MutableStateStatistics {
	if state == nil {
		return nil
	}

	executionInfoSize := sizeOfBlob(state.ExecutionInfo)
	executionStateSize := sizeOfBlob(state.ExecutionState)

	activityInfoCount := len(state.ActivityInfos)
	activityInfoSize := sizeOfInt64BlobMap(state.ActivityInfos)

	timerInfoCount := len(state.TimerInfos)
	timerInfoSize := sizeOfStringBlobMap(state.TimerInfos)

	childExecutionInfoCount := len(state.ChildExecutionInfos)
	childExecutionInfoSize := sizeOfInt64BlobMap(state.ChildExecutionInfos)

	requestCancelInfoCount := len(state.RequestCancelInfos)
	requestCancelInfoSize := sizeOfInt64BlobMap(state.RequestCancelInfos)

	signalInfoCount := len(state.SignalInfos)
	signalInfoSize := sizeOfInt64BlobMap(state.SignalInfos)

	signalRequestIDCount := len(state.SignalRequestedIDs)
	signalRequestIDSize := sizeOfStringSlice(state.SignalRequestedIDs)

	bufferedEventsCount := len(state.BufferedEvents)
	bufferedEventsSize := sizeOfBlobSlice(state.BufferedEvents)

	totalSize := executionInfoSize
	totalSize += executionStateSize
	totalSize += activityInfoSize
	totalSize += timerInfoSize
	totalSize += childExecutionInfoSize
	totalSize += requestCancelInfoSize
	totalSize += signalInfoSize
	totalSize += signalRequestIDSize
	totalSize += bufferedEventsSize

	return &MutableStateStatistics{
		TotalSize:         totalSize,
		HistoryStatistics: historyStatistics,

		ExecutionInfoSize:  executionInfoSize,
		ExecutionStateSize: executionStateSize,

		ActivityInfoSize:  activityInfoSize,
		ActivityInfoCount: activityInfoCount,

		TimerInfoSize:  timerInfoSize,
		TimerInfoCount: timerInfoCount,

		ChildInfoSize:  childExecutionInfoSize,
		ChildInfoCount: childExecutionInfoCount,

		RequestCancelInfoSize:  requestCancelInfoSize,
		RequestCancelInfoCount: requestCancelInfoCount,

		SignalInfoSize:  signalInfoSize,
		SignalInfoCount: signalInfoCount,

		SignalRequestIDSize:  signalRequestIDSize,
		SignalRequestIDCount: signalRequestIDCount,

		BufferedEventsSize:  bufferedEventsSize,
		BufferedEventsCount: bufferedEventsCount,
	}
}

func statusOfInternalWorkflowMutation(
	mutation *InternalWorkflowMutation,
	historyStatistics *HistoryStatistics,
) *MutableStateStatistics {
	if mutation == nil {
		return nil
	}

	executionInfoSize := sizeOfBlob(mutation.ExecutionInfoBlob)
	executionStateSize := sizeOfBlob(mutation.ExecutionStateBlob)

	activityInfoCount := len(mutation.UpsertActivityInfos)
	activityInfoCount += len(mutation.DeleteActivityInfos)
	activityInfoSize := sizeOfInt64BlobMap(mutation.UpsertActivityInfos)
	activityInfoSize += sizeOfInt64Set(mutation.DeleteActivityInfos)

	timerInfoCount := len(mutation.UpsertTimerInfos)
	timerInfoCount += len(mutation.DeleteTimerInfos)
	timerInfoSize := sizeOfStringBlobMap(mutation.UpsertTimerInfos)
	timerInfoSize += sizeOfStringSet(mutation.DeleteTimerInfos)

	childExecutionInfoCount := len(mutation.UpsertChildExecutionInfos)
	childExecutionInfoCount += len(mutation.DeleteChildExecutionInfos)
	childExecutionInfoSize := sizeOfInt64BlobMap(mutation.UpsertChildExecutionInfos)
	childExecutionInfoSize += sizeOfInt64Set(mutation.DeleteChildExecutionInfos)

	requestCancelInfoCount := len(mutation.UpsertRequestCancelInfos)
	requestCancelInfoCount += len(mutation.DeleteRequestCancelInfos)
	requestCancelInfoSize := sizeOfInt64BlobMap(mutation.UpsertRequestCancelInfos)
	requestCancelInfoSize += sizeOfInt64Set(mutation.DeleteRequestCancelInfos)

	signalInfoCount := len(mutation.UpsertSignalInfos)
	signalInfoCount += len(mutation.DeleteSignalInfos)
	signalInfoSize := sizeOfInt64BlobMap(mutation.UpsertSignalInfos)
	signalInfoSize += sizeOfInt64Set(mutation.DeleteSignalInfos)

	signalRequestIDCount := len(mutation.UpsertSignalRequestedIDs)
	signalRequestIDCount += len(mutation.DeleteSignalRequestedIDs)
	signalRequestIDSize := sizeOfStringSet(mutation.UpsertSignalRequestedIDs)
	signalRequestIDSize += sizeOfStringSet(mutation.DeleteSignalRequestedIDs)

	bufferedEventsCount := 0
	bufferedEventsSize := 0
	if mutation.NewBufferedEvents != nil {
		bufferedEventsCount = 1
		bufferedEventsSize = mutation.NewBufferedEvents.Size()
	}

	taskCountByCategory := taskCountsByCategory(&mutation.Tasks)

	// TODO what about checksum?

	totalSize := executionInfoSize
	totalSize += executionStateSize
	totalSize += activityInfoSize
	totalSize += timerInfoSize
	totalSize += childExecutionInfoSize
	totalSize += requestCancelInfoSize
	totalSize += signalInfoSize
	totalSize += signalRequestIDSize
	totalSize += bufferedEventsSize

	return &MutableStateStatistics{
		TotalSize:         totalSize,
		HistoryStatistics: historyStatistics,

		ExecutionInfoSize:  executionInfoSize,
		ExecutionStateSize: executionStateSize,

		ActivityInfoSize:  activityInfoSize,
		ActivityInfoCount: activityInfoCount,

		TimerInfoSize:  timerInfoSize,
		TimerInfoCount: timerInfoCount,

		ChildInfoSize:  childExecutionInfoSize,
		ChildInfoCount: childExecutionInfoCount,

		RequestCancelInfoSize:  requestCancelInfoSize,
		RequestCancelInfoCount: requestCancelInfoCount,

		SignalInfoSize:  signalInfoSize,
		SignalInfoCount: signalInfoCount,

		SignalRequestIDSize:  signalRequestIDSize,
		SignalRequestIDCount: signalRequestIDCount,

		BufferedEventsSize:  bufferedEventsSize,
		BufferedEventsCount: bufferedEventsCount,

		TaskCountByCategory: taskCountByCategory,
	}
}

func taskCountsByCategory(t *map[tasks.Category][]InternalHistoryTask) map[string]int {
	counts := make(map[string]int)
	for category, tasks := range *t {
		counts[category.Name()] = len(tasks)
	}
	return counts
}

func statusOfInternalWorkflowSnapshot(
	snapshot *InternalWorkflowSnapshot,
	historyStatistics *HistoryStatistics,
) *MutableStateStatistics {
	if snapshot == nil {
		return nil
	}

	executionInfoSize := sizeOfBlob(snapshot.ExecutionInfoBlob)
	executionStateSize := sizeOfBlob(snapshot.ExecutionStateBlob)

	activityInfoCount := len(snapshot.ActivityInfos)
	activityInfoSize := sizeOfInt64BlobMap(snapshot.ActivityInfos)

	timerInfoCount := len(snapshot.TimerInfos)
	timerInfoSize := sizeOfStringBlobMap(snapshot.TimerInfos)

	childExecutionInfoCount := len(snapshot.ChildExecutionInfos)
	childExecutionInfoSize := sizeOfInt64BlobMap(snapshot.ChildExecutionInfos)

	requestCancelInfoCount := len(snapshot.RequestCancelInfos)
	requestCancelInfoSize := sizeOfInt64BlobMap(snapshot.RequestCancelInfos)

	signalInfoCount := len(snapshot.SignalInfos)
	signalInfoSize := sizeOfInt64BlobMap(snapshot.SignalInfos)

	signalRequestIDCount := len(snapshot.SignalRequestedIDs)
	signalRequestIDSize := sizeOfStringSet(snapshot.SignalRequestedIDs)

	bufferedEventsCount := 0
	bufferedEventsSize := 0

	totalSize := executionInfoSize
	totalSize += executionStateSize
	totalSize += activityInfoSize
	totalSize += timerInfoSize
	totalSize += childExecutionInfoSize
	totalSize += requestCancelInfoSize
	totalSize += signalInfoSize
	totalSize += signalRequestIDSize
	totalSize += bufferedEventsSize

	taskCountByCategory := taskCountsByCategory(&snapshot.Tasks)

	return &MutableStateStatistics{
		TotalSize:         totalSize,
		HistoryStatistics: historyStatistics,

		ExecutionInfoSize:  executionInfoSize,
		ExecutionStateSize: executionStateSize,

		ActivityInfoSize:  activityInfoSize,
		ActivityInfoCount: activityInfoCount,

		TimerInfoSize:  timerInfoSize,
		TimerInfoCount: timerInfoCount,

		ChildInfoSize:  childExecutionInfoSize,
		ChildInfoCount: childExecutionInfoCount,

		RequestCancelInfoSize:  requestCancelInfoSize,
		RequestCancelInfoCount: requestCancelInfoCount,

		SignalInfoSize:  signalInfoSize,
		SignalInfoCount: signalInfoCount,

		SignalRequestIDSize:  signalRequestIDSize,
		SignalRequestIDCount: signalRequestIDCount,

		BufferedEventsSize:  bufferedEventsSize,
		BufferedEventsCount: bufferedEventsCount,

		TaskCountByCategory: taskCountByCategory,
	}
}