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102 lines
2.4 KiB
102 lines
2.4 KiB
//
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// PEPSessionProvider.m
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// pEpObjCAdapter
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//
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// Created by Andreas Buff on 09.10.17.
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// Copyright © 2017 p≡p. All rights reserved.
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//
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#import "PEPSessionProvider.h"
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#import "PEPSession.h"
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#import "PEPSession+Internal.h"
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#import "PEPCopyableThread.h"
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@implementation PEPSessionProvider
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static NSLock *s_sessionForThreadLock = nil;
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static NSMutableDictionary<PEPCopyableThread*,PEPSession*> *s_sessionForThreadDict;
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#pragma mark - Public API
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+ (PEPSession * _Nonnull)session
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{
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[[self sessionForThreadLock] lock];
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PEPCopyableThread *currentThread = [[PEPCopyableThread alloc] initWithThread:[NSThread currentThread]];
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NSMutableDictionary<PEPCopyableThread*,PEPSession*> *dict = [self sessionForThreadDict];
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PEPSession *session = dict[currentThread];
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if (!session) {
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session = [[PEPSession alloc] initInternal];
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dict[currentThread] = session;
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}
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[self nullifySesssionOfFinishedThreads];
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[[self sessionForThreadLock] unlock];
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return session;
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}
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+ (void)cleanup
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{
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[[self sessionForThreadLock] lock];
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NSMutableDictionary<PEPCopyableThread*,PEPSession*> *dict = [self sessionForThreadDict];
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for (PEPCopyableThread *thread in dict.allKeys) {
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[thread cancel];
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[self nullifySessionForThread:thread];
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}
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[dict removeAllObjects];
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[[self sessionForThreadLock] unlock];
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}
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#pragma mark - Life Cycle
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+ (void)initialize
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{
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s_sessionForThreadLock = [NSLock new];
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s_sessionForThreadDict = [NSMutableDictionary new];
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}
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#pragma mark - Lock
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+ (NSLock *)sessionForThreadLock
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{
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return s_sessionForThreadLock;
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}
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+ (NSMutableDictionary *)sessionForThreadDict
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{
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return s_sessionForThreadDict;
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}
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#pragma mark -
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+ (void)nullifySesssionOfFinishedThreads
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{
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NSMutableDictionary<PEPCopyableThread*,PEPSession*> *dict = [self sessionForThreadDict];
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for (PEPCopyableThread *thread in dict.allKeys) {
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if (thread.isFinished) {
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[self nullifySessionForThread:thread];
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}
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}
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}
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+ (void)nullifySessionForThread:(PEPCopyableThread *)thread
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{
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NSMutableDictionary<PEPCopyableThread*,PEPSession*> *dict = [self sessionForThreadDict];
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PEPSession *session = dict[thread];
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[self performSelector:@selector(nullifySession:)
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onThread:thread.thread
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withObject:session
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waitUntilDone:NO];
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dict[thread] = nil;
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}
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+ (void)nullifySession:(PEPSession *)session
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{
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session = nil;
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}
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@end
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