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Modify QoS to be different between iOS and macOS.

This commit is contained in:
Maurice Parker 2020-10-09 22:01:04 -05:00
parent fca4881988
commit 97a762a450
1 changed files with 17 additions and 5 deletions
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22
Account/Sources/Account/CloudKit/CloudKitZone.swift
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@ -33,6 +33,7 @@ typealias CloudKitRecordKey = (recordType: CKRecord.RecordType, recordID: CKReco
protocol CloudKitZone: class {
static var zoneID: CKRecordZone.ID { get }
static var qualityOfService: QualityOfService { get }
var log: OSLog { get }
@ -56,6 +57,17 @@ protocol CloudKitZone: class {
extension CloudKitZone {
// My observation has been that QoS is treated differently for CloudKit operations on macOS vs iOS.
// .userInitiated is too aggressive on iOS and can lead the UI slowing down and appearing to block.
// .default (or lower) on macOS will sometimes hang for extended periods of time and appear to hang.
static var qualityOfService: QualityOfService {
#if os(macOS)
return .userInitiated
#else
return .default
#endif
}
/// Reset the change token used to determine what point in time we are doing changes fetches
func resetChangeToken() {
changeToken = nil
@ -239,7 +251,7 @@ extension CloudKitZone {
let op = CKModifyRecordsOperation(recordsToSave: records, recordIDsToDelete: [CKRecord.ID]())
op.savePolicy = .ifServerRecordUnchanged
op.isAtomic = false
op.qualityOfService = .default
op.qualityOfService = Self.qualityOfService
op.modifyRecordsCompletionBlock = { [weak self] (_, _, error) in
@ -352,7 +364,7 @@ extension CloudKitZone {
var records = [CKRecord]()
let op = CKQueryOperation(query: ckQuery)
op.qualityOfService = .default
op.qualityOfService = Self.qualityOfService
op.recordFetchedBlock = { record in
records.append(record)
}
@ -389,7 +401,7 @@ extension CloudKitZone {
var records = [CKRecord]()
let op = CKQueryOperation(cursor: cursor)
op.qualityOfService = .default
op.qualityOfService = Self.qualityOfService
op.recordFetchedBlock = { record in
records.append(record)
}
@ -471,7 +483,7 @@ extension CloudKitZone {
let op = CKModifyRecordsOperation(recordsToSave: recordsToSave, recordIDsToDelete: recordIDsToDelete)
op.savePolicy = .changedKeys
op.isAtomic = true
op.qualityOfService = .default
op.qualityOfService = Self.qualityOfService
op.modifyRecordsCompletionBlock = { [weak self] (_, _, error) in
@ -568,7 +580,7 @@ extension CloudKitZone {
zoneConfig.previousServerChangeToken = changeToken
let op = CKFetchRecordZoneChangesOperation(recordZoneIDs: [Self.zoneID], configurationsByRecordZoneID: [Self.zoneID: zoneConfig])
op.fetchAllChanges = true
op.qualityOfService = .default
op.qualityOfService = Self.qualityOfService
op.recordZoneChangeTokensUpdatedBlock = { zoneID, token, _ in
savedChangeToken = token