mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-11 22:55:59 +05:45
Konstantin Varlamov
450d7a18ff
FSTDispatchQueue now doesn't contain any logic of its own and instead just passes through all method calls to AsyncQueue (backed by an ExecutorLibdispatch).
136 lines
3.8 KiB
Plaintext
136 lines
3.8 KiB
Plaintext
/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#include <memory>
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#include <utility>
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#import "Firestore/Source/Util/FSTAssert.h"
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#import "Firestore/Source/Util/FSTDispatchQueue.h"
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#include "Firestore/core/src/firebase/firestore/util/async_queue.h"
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#include "Firestore/core/src/firebase/firestore/util/executor_libdispatch.h"
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#include "absl/memory/memory.h"
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using firebase::firestore::util::AsyncQueue;
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using firebase::firestore::util::DelayedOperation;
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using firebase::firestore::util::TimerId;
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using firebase::firestore::util::internal::Executor;
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using firebase::firestore::util::internal::ExecutorLibdispatch;
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NS_ASSUME_NONNULL_BEGIN
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#pragma mark - FSTDelayedCallback
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@interface FSTDelayedCallback () {
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DelayedOperation _impl;
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}
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@end
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@implementation FSTDelayedCallback
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- (instancetype)initWithImpl:(DelayedOperation &&)impl {
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if (self = [super init]) {
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_impl = std::move(impl);
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}
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return self;
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}
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- (void)cancel {
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_impl.Cancel();
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}
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@end
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#pragma mark - FSTDispatchQueue
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@implementation FSTDispatchQueue {
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std::unique_ptr<AsyncQueue> _impl;
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}
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+ (TimerId)convertTimerId:(FSTTimerID)objcTimerID {
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const TimerId converted = static_cast<TimerId>(objcTimerID);
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switch (converted) {
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case TimerId::All:
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case TimerId::ListenStreamIdle:
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case TimerId::ListenStreamConnectionBackoff:
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case TimerId::WriteStreamIdle:
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case TimerId::WriteStreamConnectionBackoff:
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case TimerId::OnlineStateTimeout:
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return converted;
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default:
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FSTAssert(false, @"Unknown value of enum FSTTimerID.");
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}
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}
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+ (instancetype)queueWith:(dispatch_queue_t)dispatchQueue {
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return [[FSTDispatchQueue alloc] initWithQueue:dispatchQueue];
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}
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- (instancetype)initWithQueue:(dispatch_queue_t)queue {
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if (self = [super init]) {
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_queue = queue;
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auto executor = absl::make_unique<ExecutorLibdispatch>(queue);
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_impl = absl::make_unique<AsyncQueue>(std::move(executor));
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}
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return self;
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}
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- (void)verifyIsCurrentQueue {
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_impl->VerifyIsCurrentQueue();
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}
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- (void)enterCheckedOperation:(void (^)(void))block {
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_impl->ExecuteBlocking([block] { block(); });
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}
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- (void)dispatchAsync:(void (^)(void))block {
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_impl->Enqueue([block] { block(); });
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}
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- (void)dispatchAsyncAllowingSameQueue:(void (^)(void))block {
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_impl->EnqueueRelaxed([block] { block(); });
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}
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- (void)dispatchSync:(void (^)(void))block {
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_impl->EnqueueBlocking([block] { block(); });
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}
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- (FSTDelayedCallback *)dispatchAfterDelay:(NSTimeInterval)delay
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timerID:(FSTTimerID)timerID
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block:(void (^)(void))block {
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const AsyncQueue::Milliseconds delayMs =
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std::chrono::milliseconds(static_cast<long long>(delay * 1000));
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const TimerId convertedTimerId = [FSTDispatchQueue convertTimerId:timerID];
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DelayedOperation delayed_operation =
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_impl->EnqueueAfterDelay(delayMs, convertedTimerId, [block] { block(); });
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return [[FSTDelayedCallback alloc] initWithImpl:std::move(delayed_operation)];
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}
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- (BOOL)containsDelayedCallbackWithTimerID:(FSTTimerID)timerID {
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return _impl->IsScheduled([FSTDispatchQueue convertTimerId:timerID]);
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}
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- (void)runDelayedCallbacksUntil:(FSTTimerID)lastTimerID {
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_impl->RunScheduledOperationsUntil([FSTDispatchQueue convertTimerId:lastTimerID]);
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}
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@end
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NS_ASSUME_NONNULL_END
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