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fix(IoT): Using custom atomic dictionary for topic listeners (#5415)
fix(IoT): Fixing random crash when a connection is attempted just after disconnecting
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // | ||
| // Copyright 2010-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). | ||
| // You may not use this file except in compliance with the License. | ||
| // A copy of the License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0 | ||
| // | ||
| // or in the "license" file accompanying this file. This file 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. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface AWSIoTAtomicDictionary<KeyType, ObjectType> : NSObject | ||
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| @property (readonly, copy) NSArray<KeyType> *allKeys; | ||
| @property (readonly, copy) NSArray<ObjectType> *allValues; | ||
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| /// Create new instance. | ||
| - (instancetype)init; | ||
|
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| - (id)objectForKey:(id)aKey; | ||
| - (void)setObject:(id)anObject forKey:(id <NSCopying>)aKey; | ||
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| - (void)removeObjectForKey:(id)aKey; | ||
| - (void)removeAllObjects; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // | ||
| // Copyright 2010-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). | ||
| // You may not use this file except in compliance with the License. | ||
| // A copy of the License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0 | ||
| // | ||
| // or in the "license" file accompanying this file. This file 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. | ||
| // | ||
|
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| #import "AWSIoTAtomicDictionary.h" | ||
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| @interface AWSIoTAtomicDictionary() | ||
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| @property (nonatomic, strong) NSMutableDictionary *dictionary; | ||
| @property (nonatomic, strong) NSLock *lock; | ||
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| @end | ||
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| @implementation AWSIoTAtomicDictionary | ||
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| - (instancetype)init { | ||
| self = [super init]; | ||
| if (self) { | ||
| _lock = [[NSLock alloc] init]; | ||
| _dictionary = [NSMutableDictionary new]; | ||
| } | ||
| return self; | ||
| } | ||
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| - (NSArray *)allKeys { | ||
| [self.lock lock]; | ||
| NSArray * result = self.dictionary.allKeys; | ||
| [self.lock unlock]; | ||
| return result; | ||
| } | ||
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| - (NSArray *)allValues { | ||
| [self.lock lock]; | ||
| NSArray * result = self.dictionary.allValues; | ||
| [self.lock unlock]; | ||
| return result; | ||
| } | ||
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| - (id)objectForKey:(id)aKey { | ||
| [self.lock lock]; | ||
| id result = [self.dictionary objectForKey:aKey]; | ||
| [self.lock unlock]; | ||
| return result; | ||
| } | ||
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| - (void)setObject:(id)anObject forKey:(id)aKey { | ||
| [self.lock lock]; | ||
| [self.dictionary setObject:anObject forKey:aKey]; | ||
| [self.lock unlock]; | ||
| } | ||
|
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| - (void)removeObjectForKey:(id)aKey { | ||
| [self.lock lock]; | ||
| [self.dictionary removeObjectForKey:aKey]; | ||
| [self.lock unlock]; | ||
| } | ||
|
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| - (void)removeAllObjects { | ||
| [self.lock lock]; | ||
| [self.dictionary removeAllObjects]; | ||
| [self.lock unlock]; | ||
| } | ||
|
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| @end |
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