mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
Michael Haney
641d8531a3
* Expand the storage protocol and provide an event iterator * Remove unused variable * Remove unused variable * Make implicit self retain explicit * Just check for NSFileTypeRegular instead And fix a comment * Missed a damned implicit self retain * Implement some tests for the new API * Fix yet another implicit self retain
67 lines
1.9 KiB
Objective-C
67 lines
1.9 KiB
Objective-C
/*
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* Copyright 2020 Google LLC
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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 "GDTCORLibrary/Private/GDTCORFlatFileStorageIterator.h"
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#import <GoogleDataTransport/GDTCORConsoleLogger.h>
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#import <GoogleDataTransport/GDTCOREvent.h>
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@implementation GDTCORFlatFileStorageIterator {
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/** The current eventFiles array index, incremented in -nextEvent. */
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NSInteger _currentIndex;
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}
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- (instancetype)initWithTarget:(GDTCORTarget)target queue:(dispatch_queue_t)queue {
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self = [super init];
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if (self) {
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_queue = queue;
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_target = target;
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}
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return self;
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}
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- (nullable GDTCOREvent *)nextEvent {
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if (_currentIndex == -1) {
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return nil;
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}
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if (!_eventFiles) {
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GDTCORLogDebug(@"%@", @"eventFiles property not set, so -nextEvent will be nil.");
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return nil;
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}
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dispatch_queue_t queue = _queue;
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if (!queue) {
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GDTCORLogDebug(@"%@", @"iterator queue was nil, so -nextEvent will be nil.");
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return nil;
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}
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__block GDTCOREvent *nextEvent;
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dispatch_sync(queue, ^{
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NSData *data = [NSData dataWithContentsOfFile:self->_eventFiles[self->_currentIndex]];
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if (data) {
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NSError *error;
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nextEvent = (GDTCOREvent *)GDTCORDecodeArchive([GDTCOREvent class], nil, data, &error);
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if (error || nextEvent == nil) {
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GDTCORLogDebug(@"Unarchiving an event failed: %@", error);
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nextEvent = nil;
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self->_currentIndex = -1;
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return;
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}
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}
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});
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return nextEvent;
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}
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@end
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