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Batch updates, and fixing bug where daemon would crash when accessing IMCore stuff from different threads

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This commit is contained in:
James Magahern
2018-11-21 15:51:51 -07:00
parent 3186f1948a
commit dba4910a82
10 changed files with 155 additions and 90 deletions
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4
kordophone/Bridge/MBIMUpdateQueue.h
View File

@@ -18,13 +18,13 @@ NS_ASSUME_NONNULL_BEGIN
- (NSDictionary *)dictionaryRepresentation;
@end
typedef void (^MBIMUpdateConsumer)(MBIMUpdateItem *item);
typedef void (^MBIMUpdateConsumer)(NSArray<MBIMUpdateItem *> *items);
@interface MBIMUpdateQueue : NSObject
+ (instancetype)sharedInstance;
- (void)addConsumer:(MBIMUpdateConsumer)consumer;
- (void)addConsumer:(MBIMUpdateConsumer)consumer withLastSyncedMessageSeq:(NSInteger)messageSeq;
- (void)removeConsumer:(MBIMUpdateConsumer)consumer;
- (void)enqueueUpdateItem:(MBIMUpdateItem *)item;

53
kordophone/Bridge/MBIMUpdateQueue.m
View File

@@ -10,6 +10,8 @@
#import "IMMessageItem+Encoded.h"
#import "IMChat+Encoded.h"
static const NSUInteger kUpdateItemsCullingLength = 100;
@interface MBIMUpdateItem (/*INTERNAL*/)
@property (nonatomic, assign) NSUInteger messageSequenceNumber;
@end
@@ -18,6 +20,9 @@
NSUInteger _messageSequenceNumber;
dispatch_queue_t _accessQueue;
NSMutableArray *_consumers;
// Maps message sequence number to update item
NSMutableDictionary<NSNumber *, MBIMUpdateItem *> *_updateItemHistory;
}
+ (instancetype)sharedInstance
@@ -38,16 +43,30 @@
_accessQueue = dispatch_queue_create("net.buzzert.MBIMUpdateQueue", DISPATCH_QUEUE_SERIAL);
_consumers = [[NSMutableArray alloc] init];
_messageSequenceNumber = 0;
_updateItemHistory = [[NSMutableDictionary alloc] init];
}
return self;
}
- (void)addConsumer:(MBIMUpdateConsumer)consumer
- (void)addConsumer:(MBIMUpdateConsumer)consumer withLastSyncedMessageSeq:(NSInteger)messageSeq
{
__weak NSMutableArray *consumers = _consumers;
__weak NSMutableDictionary *updateItemHistory = _updateItemHistory;
dispatch_async(_accessQueue, ^{
[consumers addObject:consumer];
if ((messageSeq >= 0) && messageSeq < self->_messageSequenceNumber) {
NSMutableArray *batchedUpdates = [NSMutableArray array];
for (NSUInteger seq = messageSeq + 1; seq <= self->_messageSequenceNumber; seq++) {
MBIMUpdateItem *item = [updateItemHistory objectForKey:@(seq)];
if (item) {
[batchedUpdates addObject:item];
}
}
consumer(batchedUpdates);
} else {
[consumers addObject:consumer];
}
});
}
@@ -61,16 +80,36 @@
- (void)enqueueUpdateItem:(MBIMUpdateItem *)item
{
_messageSequenceNumber++;
item.messageSequenceNumber = _messageSequenceNumber;
__weak NSMutableArray *consumers = _consumers;
__weak NSMutableDictionary *updateItemHistory = _updateItemHistory;
dispatch_async(_accessQueue, ^{
self->_messageSequenceNumber++;
item.messageSequenceNumber = self->_messageSequenceNumber;
for (MBIMUpdateConsumer consumer in consumers) {
consumer(item);
consumer(@[ item ]);
}
[consumers removeAllObjects];
[updateItemHistory setObject:item forKey:@(item.messageSequenceNumber)];
[self _cullUpdateItems];
});
}
- (void)_cullUpdateItems
{
__weak NSMutableDictionary *updateItemHistory = _updateItemHistory;
dispatch_async(_accessQueue, ^{
if ([updateItemHistory count] > kUpdateItemsCullingLength) {
NSArray *sortedKeys = [[updateItemHistory allKeys] sortedArrayUsingSelector:@selector(compare:)];
for (NSValue *key in sortedKeys) {
[updateItemHistory removeObjectForKey:key];
if ([updateItemHistory count] <= kUpdateItemsCullingLength) {
break;
}
}
}
});
}
@@ -80,7 +119,7 @@
- (NSDictionary *)dictionaryRepresentation
{
NSMutableDictionary *updateDict = [NSMutableDictionary dictionary];
updateDict[@"messageSequenceNumber"] = @(_messageSequenceNumber);
updateDict[@"messageSequenceNumber"] = @(self.messageSequenceNumber);
if ([self changedChat]) {
updateDict[@"conversation"] = [[self changedChat] mbim_dictionaryRepresentation];

5
kordophone/Bridge/Operations/MBIMBridgeOperation.h
View File

@@ -23,11 +23,16 @@ typedef void (^MBIMBridgeOperationCompletionBlock)(NSObject<HTTPResponse> * _Nul
@property (nonatomic, readonly) NSURL *requestURL;
@property (nonatomic, readonly) MBIMBridgeOperationCompletionBlock serverCompletionBlock;
+ (dispatch_queue_t)sharedIMAccessQueue;
+ (nullable Class)operationClassForEndpointName:(NSString *)endpointName;
- (instancetype)initWithRequestURL:(NSURL *)requestURL completion:(MBIMBridgeOperationCompletionBlock)completionBlock;
- (NSObject<HTTPResponse> *)cancelAndReturnTimeoutResponse;
// convenience
- (nullable NSString *)valueForQueryItemWithName:(NSString *)queryItemName;
@end
NS_ASSUME_NONNULL_END

27
kordophone/Bridge/Operations/MBIMBridgeOperation.m
View File

@@ -32,6 +32,17 @@
return operationClassMapping;
}
+ (dispatch_queue_t)sharedIMAccessQueue
{
static dispatch_once_t onceToken;
static dispatch_queue_t accessQueue = nil;
dispatch_once(&onceToken, ^{
accessQueue = dispatch_queue_create("IMAccessQueue", DISPATCH_QUEUE_SERIAL);
});
return accessQueue;
}
+ (void)load
{
if ([self class] != [MBIMBridgeOperation class]) {
@@ -61,4 +72,20 @@
return [[HTTPErrorResponse alloc] initWithErrorCode:500];
}
- (NSString *)valueForQueryItemWithName:(NSString *)queryItemName
{
NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:self.requestURL
resolvingAgainstBaseURL:NO];
NSString *value = nil;
for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
if ([[queryItem name] isEqualToString:queryItemName]) {
value = [queryItem value];
break;
}
}
return value;
}
@end

14
kordophone/Bridge/Operations/MBIMConversationListOperation.m
View File

@@ -23,13 +23,15 @@
- (void)main
{
NSArray<IMChat *> *chats = [sChatRegistry allExistingChats];
__block NSMutableArray *conversations = [NSMutableArray array];
NSMutableArray *conversations = [NSMutableArray array];
for (IMChat *chat in chats) {
NSDictionary *chatDict = [chat mbim_dictionaryRepresentation];
[conversations addObject:chatDict];
}
dispatch_sync([[self class] sharedIMAccessQueue], ^{
NSArray<IMChat *> *chats = [sChatRegistry allExistingChats];
for (IMChat *chat in chats) {
NSDictionary *chatDict = [chat mbim_dictionaryRepresentation];
[conversations addObject:chatDict];
}
});
MBIMJSONDataResponse *response = [MBIMJSONDataResponse responseWithJSONObject:conversations];
self.serverCompletionBlock(response);

10
kordophone/Bridge/Operations/MBIMFetchAttachmentOperation.m
View File

@@ -24,15 +24,7 @@
{
NSObject<HTTPResponse> *response = nil;
do {
NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:self.requestURL resolvingAgainstBaseURL:NO];
NSString *guid = nil;
for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
if ([[queryItem name] isEqualToString:@"guid"]) {
guid = [queryItem value];
break;
}
}
NSString *guid = [self valueForQueryItemWithName:@"guid"];
if (!guid) {
NSLog(@"No query item provided");

37
kordophone/Bridge/Operations/MBIMMarkOperation.m
View File

@@ -20,17 +20,9 @@
- (void)main
{
NSObject<HTTPResponse> *response = nil;
__block NSObject<HTTPResponse> *response = nil;
do {
NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:self.requestURL resolvingAgainstBaseURL:NO];
NSString *guid = nil;
for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
if ([[queryItem name] isEqualToString:@"guid"]) {
guid = [queryItem value];
break;
}
}
NSString *guid = [self valueForQueryItemWithName:@"guid"];
if (!guid) {
NSLog(@"No query item provided");
@@ -38,18 +30,19 @@
break;
}
IMChat *chat = [sChatRegistry existingChatWithGUID:guid];
if (!chat) {
NSLog(@"Chat with guid: %@ not found", guid);
response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
break;
}
// TODO: be smarter about this and mark individual messages as read? Could lead
// to a race condition
if ([chat unreadMessageCount] > 0) {
[chat markAllMessagesAsRead];
}
dispatch_sync([[self class] sharedIMAccessQueue], ^{
IMChat *chat = [sChatRegistry existingChatWithGUID:guid];
if (!chat) {
NSLog(@"Chat with guid: %@ not found", guid);
response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
} else {
// TODO: be smarter about this and mark individual messages as read? Could lead
// to a race condition
if ([chat unreadMessageCount] > 0) {
[chat markAllMessagesAsRead];
}
}
});
response = [[HTTPErrorResponse alloc] initWithErrorCode:200];
} while (0);

41
kordophone/Bridge/Operations/MBIMMessagesListOperation.m
View File

@@ -23,17 +23,9 @@
- (void)main
{
NSObject<HTTPResponse> *response = nil;
__block NSObject<HTTPResponse> *response = nil;
do {
NSURLComponents *urlComponents = [NSURLComponents componentsWithURL:self.requestURL resolvingAgainstBaseURL:NO];
NSString *guid = nil;
for (NSURLQueryItem *queryItem in [urlComponents queryItems]) {
if ([[queryItem name] isEqualToString:@"guid"]) {
guid = [queryItem value];
break;
}
}
NSString *guid = [self valueForQueryItemWithName:@"guid"];
if (!guid) {
NSLog(@"No query item provided");
@@ -41,21 +33,22 @@
break;
}
IMChat *chat = [sChatRegistry existingChatWithGUID:guid];
if (!chat) {
NSLog(@"Chat with guid: %@ not found", guid);
response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
break;
}
__block NSMutableArray *messages = [NSMutableArray array];
dispatch_sync([[self class] sharedIMAccessQueue], ^{
IMChat *chat = [sChatRegistry existingChatWithGUID:guid];
if (!chat) {
NSLog(@"Chat with guid: %@ not found", guid);
response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
} else {
// Load messages
[chat loadMessagesBeforeDate:[NSDate date] limit:50 loadImmediately:YES];
// Load messages
[chat loadMessagesBeforeDate:[NSDate date] limit:50 loadImmediately:YES];
NSMutableArray *messages = [NSMutableArray array];
for (IMMessageItem *imMessage in [[chat chatItems] messages]) {
NSDictionary *messageDict = [imMessage mbim_dictionaryRepresentation];
[messages addObject:messageDict];
}
for (IMMessageItem *imMessage in [[chat chatItems] messages]) {
NSDictionary *messageDict = [imMessage mbim_dictionaryRepresentation];
[messages addObject:messageDict];
}
}
});
response = [MBIMJSONDataResponse responseWithJSONObject:messages];
} while (0);

28
kordophone/Bridge/Operations/MBIMSendMessageOperation.m
View File

@@ -22,23 +22,27 @@
- (BOOL)_sendMessage:(NSString *)messageBody toChatWithGUID:(NSString *)chatGUID
{
IMChat *chat = [sChatRegistry existingChatWithGUID:chatGUID];
__block BOOL result = YES;
// TODO: chat might not be an iMessage chat!
IMAccount *iMessageAccount = [[IMAccountController sharedInstance] bestAccountForService:[IMServiceImpl iMessageService]];
IMHandle *senderHandle = [iMessageAccount loginIMHandle];
dispatch_sync([[self class] sharedIMAccessQueue], ^{
IMChat *chat = [sChatRegistry existingChatWithGUID:chatGUID];
NSAttributedString *replyAttrString = [[NSAttributedString alloc] initWithString:messageBody];
IMMessage *reply = [IMMessage fromMeIMHandle:senderHandle withText:replyAttrString fileTransferGUIDs:@[] flags:kIMMessageFinished];
// TODO: chat might not be an iMessage chat!
IMAccount *iMessageAccount = [[IMAccountController sharedInstance] bestAccountForService:[IMServiceImpl iMessageService]];
IMHandle *senderHandle = [iMessageAccount loginIMHandle];
if (!chat) {
NSLog(@"Chat does not exist: %@", chatGUID);
return NO;
}
NSAttributedString *replyAttrString = [[NSAttributedString alloc] initWithString:messageBody];
IMMessage *reply = [IMMessage fromMeIMHandle:senderHandle withText:replyAttrString fileTransferGUIDs:@[] flags:kIMMessageFinished];
[chat sendMessage:reply];
if (!chat) {
NSLog(@"Chat does not exist: %@", chatGUID);
result = NO;
} else {
[chat sendMessage:reply];
}
});
return YES;
return result;
}
- (void)main

20
kordophone/Bridge/Operations/MBIMUpdatePollOperation.m
View File

@@ -22,15 +22,25 @@
- (void)main
{
__weak __auto_type weakSelf = self;
_updateConsumer = ^(MBIMUpdateItem *nextUpdateItem) {
NSDictionary *updateDict = [nextUpdateItem dictionaryRepresentation];
NSInteger messageSeq = -1;
NSString *messageSeqString = [self valueForQueryItemWithName:@"seq"];
if (messageSeqString) {
messageSeq = [messageSeqString integerValue];
}
MBIMJSONDataResponse *response = [MBIMJSONDataResponse responseWithJSONObject:updateDict];
__weak __auto_type weakSelf = self;
_updateConsumer = ^(NSArray<MBIMUpdateItem *> *updates) {
NSMutableArray *encodedUpdates = [NSMutableArray array];
for (MBIMUpdateItem *item in updates) {
NSDictionary *updateDict = [item dictionaryRepresentation];
[encodedUpdates addObject:updateDict];
}
MBIMJSONDataResponse *response = [MBIMJSONDataResponse responseWithJSONObject:encodedUpdates];
weakSelf.serverCompletionBlock(response);
};
[[MBIMUpdateQueue sharedInstance] addConsumer:_updateConsumer];
[[MBIMUpdateQueue sharedInstance] addConsumer:_updateConsumer withLastSyncedMessageSeq:messageSeq];
}
- (void)cancel