/
ZSyncTouchHandler.m
992 lines (852 loc) · 37 KB
/
ZSyncTouchHandler.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
//
// ZSyncTouchHandler.m
// SampleTouch
//
// Created by Marcus S. Zarra on 11/11/09.
// Copyright 2009 Zarra Studios, LLC. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#import "ZSyncTouchHandler.h"
#import "ZSyncShared.h"
#import "ServerBrowser.h"
#import "Reachability.h"
#define zsUUIDStringLength 55
@interface ZSyncTouchHandler()
- (void)requestDeregistration;
- (void)uploadDataToServer;
@property (nonatomic, assign) id delegate;
@property (nonatomic, retain) NSPersistentStoreCoordinator *persistentStoreCoordinator;
@end
@implementation ZSyncTouchHandler
+ (id)shared;
{
static ZSyncTouchHandler *sharedTouchHandler;
if (sharedTouchHandler) return sharedTouchHandler;
@synchronized(sharedTouchHandler) {
sharedTouchHandler = [[ZSyncTouchHandler alloc] init];
[[NSNotificationCenter defaultCenter] addObserver:sharedTouchHandler
selector:@selector(applicationWillTerminate:)
name:UIApplicationWillTerminateNotification
object:nil];
}
return sharedTouchHandler;
}
- (void)applicationWillTerminate:(NSNotification*)notification
{
DLog(@"closing connection");
if ([self connection]) {
[[self connection] close];
}
if ([self serviceBrowser]) {
[[self serviceBrowser] setDelegate:nil];
[[self serviceBrowser] stop];
[_serviceBrowser release], _serviceBrowser = nil;
}
}
- (NSString*)cachePath
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *filePath = [paths objectAtIndex:0];
return filePath;
}
- (void)networkTimeout:(NSTimer*)timer
{
DLog(@"timeout on local network");
networkTimer = nil;
[self setServerAction:ZSyncServerActionNoActivity];
if ([[self delegate] respondsToSelector:@selector(zSyncServerUnavailable:)]) {
[[self delegate] zSyncServerUnavailable:self];
}
[[timer userInfo] stopNotifer];
}
- (void)reachabilityChanged:(NSNotification*)notification
{
Reachability *reachability = [notification object];
if ([reachability currentReachabilityStatus] == NotReachable) return;
DLog(@"local network now available");
[reachability stopNotifer];
[networkTimer invalidate], networkTimer = nil;
NSString *serverUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID];
if (serverUUID) {
networkTimer = [NSTimer scheduledTimerWithTimeInterval:10.0
target:self
selector:@selector(networkTimeout:)
userInfo:nil
repeats:NO];
}
[serverUUID release], serverUUID = nil;
[[self serviceBrowser] start];
}
- (void)startServerSearch
{
if ([self serviceBrowser]) {
DLog(@"service browser is not nil");
[[self serviceBrowser] setDelegate:nil];
[[self serviceBrowser] stop];
[self setServiceBrowser:nil];
}
_serviceBrowser = [[ServerBrowser alloc] init];
_serviceBrowser.delegate = self;
Reachability *reachability = [Reachability reachabilityForLocalWiFi];
if ([reachability currentReachabilityStatus] == NotReachable) {
DLog(@"local network not available");
//start notifying
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(reachabilityChanged:)
name:kReachabilityChangedNotification
object:nil];
[reachability startNotifer];
networkTimer = [NSTimer scheduledTimerWithTimeInterval:5.0
target:self
selector:@selector(networkTimeout:)
userInfo:reachability
repeats:NO];
return;
} else {
NSString *serverUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID];
if (serverUUID) {
networkTimer = [NSTimer scheduledTimerWithTimeInterval:5.0
target:self
selector:@selector(networkTimeout:)
userInfo:reachability
repeats:NO];
}
[serverUUID release], serverUUID = nil;
[[self serviceBrowser] start];
}
}
- (void)requestSync;
{
ZAssert([self serverAction] == ZSyncServerActionNoActivity, @"Attempt to sync while another action is active");
[self setServerAction:ZSyncServerActionSync];
if ([self connection]) {
[self uploadDataToServer];
} else {
[self startServerSearch];
}
}
- (void)stopRequestingSync
{
[[self serviceBrowser] setDelegate:nil];
[[self serviceBrowser] stop];
[self setServerAction:ZSyncServerActionNoActivity];
}
- (void)deregister;
{
DLog(@"deregister request received");
if ([self serverAction] != ZSyncServerActionNoActivity) {
if ([[self delegate] respondsToSelector:@selector(zSync:errorOccurred:)]) {
NSString *errorString = [NSString stringWithFormat:@"Another activity in progress: %i", [self serverAction]];
NSDictionary *dict = [NSDictionary dictionaryWithObject:errorString forKey:NSLocalizedDescriptionKey];
NSError *error = [NSError errorWithDomain:zsErrorDomain code:zsErrorAnotherActivityInProgress userInfo:dict];
[[self delegate] zSync:self errorOccurred:error];
return;
}
}
if (![[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID] || ![[NSUserDefaults standardUserDefaults] valueForKey:zsDeviceID]) {
if ([[self delegate] respondsToSelector:@selector(zSync:errorOccurred:)]) {
NSString *errorString = [NSString stringWithFormat:@"Client is not registered with a server", [self serverAction]];
NSDictionary *dict = [NSDictionary dictionaryWithObject:errorString forKey:NSLocalizedDescriptionKey];
NSError *error = [NSError errorWithDomain:zsErrorDomain code:zsErrorNoSyncClientRegistered userInfo:dict];
[[self delegate] zSync:self errorOccurred:error];
return;
}
}
[self setServerAction:ZSyncServerActionDeregister];
if ([self connection]) {
DLog(@"requesting deregister");
[self requestDeregistration];
} else {
DLog(@"searching for server");
[self startServerSearch];
}
}
- (void)disconnectPairing;
{
[[NSUserDefaults standardUserDefaults] removeObjectForKey:zsServerName];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:zsServerUUID];
if ([self connection]) {
[[self connection] close];
[self setConnection:nil];
}
[self setServerAction:ZSyncServerActionNoActivity];
}
- (NSString*)serverName;
{
return [[NSUserDefaults standardUserDefaults] valueForKey:zsServerName];
}
- (void)cancelPairing;
{
if (![self connection]) return;
//Start a pairing request
DLog(@"sending a pairing cancel");
NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
[dictionary setValue:zsActID(zsActionCancelPairing) forKey:zsAction];
NSString *deviceUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsDeviceID];
if (!deviceUUID) {
deviceUUID = [[NSProcessInfo processInfo] globallyUniqueString];
[[NSUserDefaults standardUserDefaults] setValue:deviceUUID forKey:zsDeviceID];
}
[dictionary setValue:deviceUUID forKey:zsDeviceID];
BLIPRequest *request = [BLIPRequest requestWithBody:nil properties:dictionary];
[[self connection] sendRequest:request];
}
- (void)requestPairing:(ZSyncService*)server;
{
NSNetService *service = [server service];
BLIPConnection *conn = [[BLIPConnection alloc] initToNetService:service];
[self setConnection:conn];
[conn setDelegate:self];
[conn open];
[conn release], conn = nil;
}
- (void)authenticatePairing:(NSString*)code;
{
if (![self connection]) return;
//Start a pairing request
DLog(@"sending a pairing code");
NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
[dictionary setValue:zsActID(zsActionAuthenticatePairing) forKey:zsAction];
NSString *deviceUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsDeviceID];
if (!deviceUUID) {
deviceUUID = [[NSProcessInfo processInfo] globallyUniqueString];
[[NSUserDefaults standardUserDefaults] setValue:deviceUUID forKey:zsDeviceID];
}
[dictionary setValue:deviceUUID forKey:zsDeviceID];
NSData *codeData = [code dataUsingEncoding:NSUTF8StringEncoding];
BLIPRequest *request = [BLIPRequest requestWithBody:codeData properties:dictionary];
[[self connection] sendRequest:request];
}
- (void)beginSyncWithService:(NSNetService*)service
{
BLIPConnection *conn = [[BLIPConnection alloc] initToNetService:service];
[self setConnection:conn];
[conn setDelegate:self];
[conn open];
[conn release], conn = nil;
}
#pragma mark -
#pragma mark Overridden getters/setter
- (NSMutableArray *)availableServers
{
if (!availableServers) {
availableServers = [[NSMutableArray alloc] init];
}
return availableServers;
}
- (NSMutableArray *)discoveredServers
{
if (!discoveredServers) {
discoveredServers = [[NSMutableArray alloc] init];
}
return discoveredServers;
}
- (NSObject *)lock
{
if (!lock) {
lock = [[NSObject alloc] init];
}
return lock;
}
#pragma mark -
#pragma mark ServerBrowserDelegate methods
- (void)updateServerList
{
[lock lock];
NSLog(@"START %s", __PRETTY_FUNCTION__);
[networkTimer invalidate], networkTimer = nil;
[[self availableServers] removeAllObjects];
for (NSNetService *service in [self discoveredServers]) {
[service setDelegate:nil];
[service stop];
}
[[self discoveredServers] removeAllObjects];
[[self discoveredServers] addObjectsFromArray:[_serviceBrowser servers]];
for (NSNetService *service in [self discoveredServers]) {
NSLog(@"%@", [service name]);
[service setDelegate:self];
[service resolveWithTimeout:15.0];
}
if (![self discoveredServers] || [[self discoveredServers] count] == 0) {
NSString *serverUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID];
if (!serverUUID) {
[[self delegate] zSyncNoServerPaired:[self availableServers]];
}
} else {
NSString *serverUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID];
if (serverUUID) {
networkTimer = [NSTimer scheduledTimerWithTimeInterval:5.0
target:self
selector:@selector(networkTimeout:)
userInfo:nil
repeats:NO];
}
}
NSLog(@"END %s", __PRETTY_FUNCTION__);
[lock unlock];
}
#pragma mark -
#pragma mark NSNetServiceDelegate methods
/* Sent to the NSNetService instance's delegate prior to resolving a service on the network. If for some reason the resolution cannot occur, the delegate will not receive this message, and an error will be delivered to the delegate via the delegate's -netService:didNotResolve: method.
*/
- (void)netServiceWillResolve:(NSNetService *)sender
{
NSLog(@"%s", __PRETTY_FUNCTION__);
}
/* Sent to the NSNetService instance's delegate when one or more addresses have been resolved for an NSNetService instance. Some NSNetService methods will return different results before and after a successful resolution. An NSNetService instance may get resolved more than once; truly robust clients may wish to resolve again after an error, or to resolve more than once.
*/
- (void)netServiceDidResolveAddress:(NSNetService *)bonjourService
{
NSLog(@"%s", __PRETTY_FUNCTION__);
NSString *serverUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID];
@try {
if (!serverUUID) { //See if the server is in this list
NSString *serverName = [bonjourService name];
DLog(@"[bonjourService TXTRecordData] %@", [bonjourService TXTRecordData]);
NSDictionary *txtRecordDictionary = [NSNetService dictionaryFromTXTRecordData:[bonjourService TXTRecordData]];
if (!txtRecordDictionary) {
DLog(@"The NSNetService named %@ did not contain a TXT record", [bonjourService name]);
return;
}
NSData *serverUUIDData = [txtRecordDictionary objectForKey:zsServerUUID];
NSString *serverUUID = [[NSString alloc] initWithData:serverUUIDData encoding:NSUTF8StringEncoding];
if (!serverUUID || [serverUUID length] == 0) {
DLog(@"The TXT record did not contain a UUID.");
[serverUUID release], serverUUID = nil;
return;
}
ZSyncService *zSyncService = [[ZSyncService alloc] init];
[zSyncService setService:bonjourService];
[zSyncService setName:serverName];
[zSyncService setUuid:serverUUID];
[[self availableServers] addObject:zSyncService];
[zSyncService release], zSyncService = nil;
[[self delegate] zSyncNoServerPaired:[self availableServers]];
[serverUUID release], serverUUID = nil;
return;
}
NSDictionary *txtRecordDictionary = [NSNetService dictionaryFromTXTRecordData:[bonjourService TXTRecordData]];
if (!txtRecordDictionary) {
DLog(@"Found a serverUUID, but the NSNetService named %@ did not contain a TXT record", [bonjourService name]);
return;
}
NSData *incomingServerUUIDData = [txtRecordDictionary objectForKey:zsServerUUID];
if (!incomingServerUUIDData) return;
NSString *incomingServerUUID = [[NSString alloc] initWithData:incomingServerUUIDData encoding:NSUTF8StringEncoding];
// NSString *incomingServerUUID = [components objectAtIndex:1];
if (![incomingServerUUID isEqualToString:serverUUID]) {
[incomingServerUUID release], incomingServerUUID = nil;
return;
}
[networkTimer invalidate], networkTimer = nil;
DLog(@"our server found");
//Found our server, start the sync
[self beginSyncWithService:bonjourService];
return;
} @finally {
// Not sure what to put in here, we don't need to stop the service browser each time anymore.
}
}
/* Sent to the NSNetService instance's delegate when an error in resolving the instance occurs. The error dictionary will contain two key/value pairs representing the error domain and code (see the NSNetServicesError enumeration above for error code constants).
*/
- (void)netService:(NSNetService *)sender didNotResolve:(NSDictionary *)errorDict
{
NSLog(@"%s", __PRETTY_FUNCTION__);
[[self discoveredServers] removeObject:sender];
//Did not find our registered server. Fail
if ([[self discoveredServers] count] == 0) {
[[self delegate] zSyncServerUnavailable:self];
[self setServerAction:ZSyncServerActionNoActivity];
}
}
/* Sent to the NSNetService instance's delegate when the instance's previously running publication or resolution request has stopped.
*/
- (void)netServiceDidStop:(NSNetService *)sender
{
NSLog(@"%s", __PRETTY_FUNCTION__);
// if ([[self discoveredServers] count] == 0) {
// [[self delegate] zSyncServerUnavailable:self];
// [self setServerAction:ZSyncServerActionNoActivity];
// }
}
/* Sent to the NSNetService instance's delegate when the instance is being monitored and the instance's TXT record has been updated. The new record is contained in the data parameter.
*/
- (void)netService:(NSNetService *)sender didUpdateTXTRecordData:(NSData *)data
{
NSLog(@"%s", __PRETTY_FUNCTION__);
}
#pragma mark -
- (void)registerDelegate:(id<ZSyncDelegate>)delegate withPersistentStoreCoordinator:(NSPersistentStoreCoordinator*)coordinator;
{
[self setDelegate:delegate];
[self setPersistentStoreCoordinator:coordinator];
}
- (void)receiveFile:(BLIPRequest*)request
{
ZAssert([request complete], @"Message is incomplete");
DLog(@"file received");
if (!receivedFileLookupDictionary) {
receivedFileLookupDictionary = [[NSMutableDictionary alloc] init];
}
NSMutableDictionary *fileDict = [[NSMutableDictionary alloc] init];
[fileDict setValue:[request valueOfProperty:zsStoreIdentifier] forKey:zsStoreIdentifier];
if (![[request valueOfProperty:zsStoreConfiguration] isEqualToString:@"PF_DEFAULT_CONFIGURATION_NAME"]) {
[fileDict setValue:[request valueOfProperty:zsStoreConfiguration] forKey:zsStoreConfiguration];
}
[fileDict setValue:[request valueOfProperty:zsStoreType] forKey:zsStoreType];
NSString *tempFilename = [[NSProcessInfo processInfo] globallyUniqueString];
NSString *tempPath = [[self cachePath] stringByAppendingPathComponent:tempFilename];
DLog(@"file written to \n%@", tempPath);
DLog(@"request length: %i", [[request body] length]);
[[request body] writeToFile:tempPath atomically:YES];
[fileDict setValue:tempPath forKey:zsTempFilePath];
[receivedFileLookupDictionary setValue:fileDict forKey:[request valueOfProperty:zsStoreIdentifier]];
[fileDict release], fileDict = nil;
BLIPResponse *response = [request response];
[response setValue:zsActID(zsActionFileReceived) ofProperty:zsAction];
[response setValue:[request valueOfProperty:zsStoreIdentifier] ofProperty:zsStoreIdentifier];
[response send];
}
- (BOOL)switchStore:(NSPersistentStore*)store withReplacement:(NSDictionary*)replacement error:(NSError**)error
{
NSDictionary *storeOptions = [[[store options] copy] autorelease];
NSFileManager *fileManager = [NSFileManager defaultManager];
NSPersistentStoreCoordinator *psc = [self persistentStoreCoordinator];
NSString *newFileTempPath = [replacement valueForKey:zsTempFilePath];
NSString *fileOriginalPath = [[store URL] path];
NSString *originalFileTempPath = [fileOriginalPath stringByAppendingPathExtension:@"zsync_"];
if (![psc removePersistentStore:store error:error]) return NO;
if ([fileManager fileExistsAtPath:originalFileTempPath]) {
DLog(@"deleting stored file");
if (![fileManager removeItemAtPath:originalFileTempPath error:error]) return NO;
}
if ([fileManager fileExistsAtPath:fileOriginalPath]) {
if (![fileManager moveItemAtPath:fileOriginalPath toPath:originalFileTempPath error:error]) return NO;
}
if (![fileManager moveItemAtPath:newFileTempPath toPath:fileOriginalPath error:error]) return NO;
NSURL *fileURL = [NSURL fileURLWithPath:fileOriginalPath];
if (![psc addPersistentStoreWithType:[replacement valueForKey:zsStoreType] configuration:[replacement valueForKey:zsStoreConfiguration] URL:fileURL options:storeOptions error:error]) return NO;
DLog(@"store switched");
return YES;
}
- (void)completeSync
{
[[self persistentStoreCoordinator] lock];
//First we need to verify that we received every file. Otherwise we fail
for (NSPersistentStore *store in [[self persistentStoreCoordinator] persistentStores]) {
if ([receivedFileLookupDictionary objectForKey:[store identifier]]) continue;
DLog(@"Store ID: %@\n%@", [store identifier], [receivedFileLookupDictionary allKeys]);
//Fail
if ([[self delegate] respondsToSelector:@selector(zSync:errorOccurred:)]) {
//Flush the temp files
for (NSDictionary *fileDict in [receivedFileLookupDictionary allValues]) {
NSError *error = nil;
[[NSFileManager defaultManager] removeItemAtPath:[fileDict valueForKey:zsTempFilePath] error:&error];
// We want to explode on this failure in dev but in prod just note it
ZAssert(error == nil, @"Error deleting temp file: %@", [error localizedDescription]);
}
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:[store identifier] forKey:zsStoreIdentifier];
NSError *error = [NSError errorWithDomain:zsErrorDomain code:zsErrorFailedToReceiveAllFiles userInfo:userInfo];
[[self delegate] zSync:self errorOccurred:error];
[receivedFileLookupDictionary release], receivedFileLookupDictionary = nil;
}
[[self persistentStoreCoordinator] unlock];
return;
}
//We have all of the files now we need to swap them out.
for (NSPersistentStore *store in [[self persistentStoreCoordinator] persistentStores]) {
NSDictionary *replacement = [receivedFileLookupDictionary valueForKey:[store identifier]];
ZAssert(replacement != nil, @"Missing the replacement file for %@\n%@", [store identifier], [receivedFileLookupDictionary allKeys]);
NSError *error = nil;
if ([self switchStore:store withReplacement:replacement error:&error]) continue;
ZAssert(error == nil, @"Error switching stores: %@\n%@", [error localizedDescription], [error userInfo]);
//TODO: We failed in the migration and need to roll back
}
[receivedFileLookupDictionary release], receivedFileLookupDictionary = nil;
[[self connection] close];
[self setConnection:nil];
if ([[self delegate] respondsToSelector:@selector(zSyncFinished:)]) {
[[self delegate] zSyncFinished:self];
}
[[self persistentStoreCoordinator] unlock];
[self setServerAction:ZSyncServerActionNoActivity];
}
/*
* We want to start looking for desktops to sync with here. Once started
* We want to maintain a list of computers found and also send out a notification
* for every server that we discover
*/
- (void)startBrowser;
{
if (_serviceBrowser) return;
_serviceBrowser = [[ServerBrowser alloc] init];
_serviceBrowser.delegate = self;
[_serviceBrowser start];
}
//- (NSArray*)availableServers;
//{
// NSMutableSet *set = [NSMutableSet set];
// for (NSNetService *bonjourService in [_serviceBrowser servers]) {
// [bonjourService setDelegate:self];
// [bonjourService resolveWithTimeout:3.0];
// NSString *serverName = [bonjourService name];
//// NSArray *components = [serverName componentsSeparatedByString:zsServerNameSeperator];
//// if (!components || [components count] != 2) {
//// NSLog(@"Wrong number of components: %i\n%@", [components count], serverName);
//// continue;
//// }
////
//// ZAssert([components count] == 2,@"Wrong number of components: %i\n%@", [components count], serverName);
//// NSString *serverUUID = [components objectAtIndex:1];
// DLog(@"[bonjourService TXTRecordData] %@", [bonjourService TXTRecordData]);
// NSDictionary *txtRecordDictionary = [NSNetService dictionaryFromTXTRecordData:[bonjourService TXTRecordData]];
// if (!txtRecordDictionary) {
// DLog(@"The NSNetService named %@ did not contain a TXT record", [bonjourService name]);
// continue;
// }
//
// for (NSString *key in [txtRecordDictionary allKeys]) {
// DLog(@"key: %@ object: %@", key, [txtRecordDictionary objectForKey:key]);
// }
//
// NSLog(@"zsServerUUID: %@ zsServerName: %@", zsServerUUID, zsServerName);
//
// NSString *serverUUID = [txtRecordDictionary objectForKey:zsServerUUID];
// if (!serverUUID || [serverUUID length] == 0) {
// DLog(@"The TXT record did not contain a UUID.");
// }
// // serverName = [components objectAtIndex:0];
//
// ZSyncService *zSyncService = [[ZSyncService alloc] init];
// [zSyncService setService:bonjourService];
// [zSyncService setName:serverName];
// [zSyncService setUuid:serverUUID];
// [set addObject:zSyncService];
// [zSyncService release], zSyncService = nil;
// }
//
// NSSortDescriptor *sort = [[NSSortDescriptor alloc] initWithKey:@"name" ascending:YES];
// NSArray *result = [set allObjects];
// result = [result sortedArrayUsingDescriptors:[NSArray arrayWithObject:sort]];
// [sort release], sort = nil;
//
// return result;
//}
- (void)sendUploadComplete
{
DLog(@"sending upload complete");
NSMutableDictionary *dictionary = [[NSMutableDictionary alloc] init];
[dictionary setValue:zsActID(zsActionPerformSync) forKey:zsAction];
BLIPRequest *request = [BLIPRequest requestWithBody:nil properties:dictionary];
[request setNoReply:YES];
[[self connection] sendRequest:request];
[dictionary release], dictionary = nil;
}
- (void)uploadDataToServer;
{
[[self serviceBrowser] setDelegate:nil];
[[self serviceBrowser] stop];
[self setServiceBrowser:nil];
[[self delegate] zSyncStarted:self];
storeFileIdentifiers = [[NSMutableArray alloc] init];
NSAssert([self persistentStoreCoordinator] != nil, @"The persistent store coordinator was nil. Make sure you are calling registerDelegate:withPersistentStoreCoordinator: before trying to sync.");
for (NSPersistentStore *store in [[self persistentStoreCoordinator] persistentStores]) {
NSData *data = [[NSData alloc] initWithContentsOfMappedFile:[[store URL] path]];
DLog(@"url %@\nIdentifier: %@\nSize: %i", [store URL], [store identifier], [data length]);
NSMutableDictionary *dictionary = [[NSMutableDictionary alloc] init];
[dictionary setValue:[store identifier] forKey:zsStoreIdentifier];
if (![[store configurationName] isEqualToString:@"PF_DEFAULT_CONFIGURATION_NAME"]) {
[dictionary setValue:[store configurationName] forKey:zsStoreConfiguration];
}
[dictionary setValue:[store type] forKey:zsStoreType];
[dictionary setValue:zsActID(zsActionStoreUpload) forKey:zsAction];
BLIPRequest *request = [BLIPRequest requestWithBody:data properties:dictionary];
// TODO: Compression is not working. Need to find out why
[request setCompressed:YES];
[[self connection] sendRequest:request];
[data release], data = nil;
[dictionary release], dictionary = nil;
DLog(@"file uploaded");
[storeFileIdentifiers addObject:[store identifier]];
}
DLog(@"finished");
}
- (void)processTestFileTransfer:(BLIPRequest*)request
{
NSData *data = [request body];
DLog(@"length %i", [data length]);
NSString *path = [self cachePath];
path = [path stringByAppendingPathComponent:@"test.jpg"];
NSError *error = nil;
if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
DLog(@"deleting old file");
[[NSFileManager defaultManager] removeItemAtPath:path error:&error];
ZAssert(error == nil, @"error removing test file: %@", [error localizedDescription]);
}
[data writeToFile:path atomically:YES];
DLog(@"file written\n%@", path);
}
- (NSString*)generatePairingCode
{
NSMutableString *string = [NSMutableString string];
[string appendFormat:@"%i", (arc4random() % 10)];
[string appendFormat:@"%i", (arc4random() % 10)];
[string appendFormat:@"%i", (arc4random() % 10)];
[string appendFormat:@"%i", (arc4random() % 10)];
return string;
}
- (void)requestDeregistration;
{
DLog(@"issuing deregister command");
NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
[dictionary setValue:zsActID(zsActionDeregisterClient) forKey:zsAction];
NSString *syncUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsSyncGUID];
NSData *body = [syncUUID dataUsingEncoding:NSUTF8StringEncoding];
BLIPRequest *request = [BLIPRequest requestWithBody:body properties:dictionary];
[[self connection] sendRequest:request];
}
- (void)connectionEstablished
{
switch ([self serverAction]) {
case ZSyncServerActionSync:
if ([[NSUserDefaults standardUserDefaults] valueForKey:zsServerUUID]) {
//Start a sync by pushing the data file to the server
[self uploadDataToServer];
} else {
//We are not paired so we need to request a pairing session
NSString *deviceUUID = [[NSUserDefaults standardUserDefaults] valueForKey:zsDeviceID];
if (!deviceUUID) {
deviceUUID = [[NSProcessInfo processInfo] globallyUniqueString];
[[NSUserDefaults standardUserDefaults] setValue:deviceUUID forKey:zsDeviceID];
}
[self setPasscode:[self generatePairingCode]];
BLIPRequest *request = [BLIPRequest requestWithBodyString:[self passcode]];
[request setValue:zsActID(zsActionRequestPairing) ofProperty:zsAction];
[request setValue:deviceUUID ofProperty:zsDeviceID];
[[self connection] sendRequest:request];
[[self delegate] zSyncHandler:self displayPairingCode:[self passcode]];
}
break;
case ZSyncServerActionDeregister:
[self requestDeregistration];
break;
default:
ALog(@"Unknown server action: %i", serverAction);
}
}
#pragma mark -
#pragma mark BLIP Delegate
/* Two possible states at this point. If we have a server UUID
* then we are ready to start a sync. If we do not have a server UUID
* then we need to start a pairing.
*/
- (void)connectionDidOpen:(BLIPConnection*)connection
{
DLog(@"entered");
//Start by confirming that the server still supports our schema and version
NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
[dict setValue:zsActID(zsActionVerifySchema) forKey:zsAction];
[dict setValue:zsActID([self majorVersionNumber]) forKey:zsSchemaMajorVersion];
[dict setValue:zsActID([self minorVersionNumber]) forKey:zsSchemaMinorVersion];
[dict setValue:[[UIDevice currentDevice] name] forKey:zsDeviceName];
[dict setValue:[[UIDevice currentDevice] uniqueIdentifier] forKey:zsDeviceGUID];
NSString *deviceGUID = [[[NSBundle mainBundle] infoDictionary] objectForKey:zsSchemaIdentifier];
[dict setValue:deviceGUID forKey:zsSchemaIdentifier];
NSString *syncGUID = [[NSUserDefaults standardUserDefaults] stringForKey:zsSyncGUID];
if (!syncGUID) {
syncGUID = [[NSProcessInfo processInfo] globallyUniqueString];
[[NSUserDefaults standardUserDefaults] setValue:syncGUID forKey:zsSyncGUID];
}
NSData *data = [syncGUID dataUsingEncoding:NSUTF8StringEncoding];
BLIPRequest *request = [connection requestWithBody:data properties:dict];
[request send];
[dict release], dict = nil;
DLog(@"initial send complete");
}
/* We had an error talking to the server. Push this error on to our delegate
* and close the connection
*/
- (void)connection:(TCPConnection*)connection failedToOpen:(NSError*)error
{
DLog(@"entered");
[_connection close], [_connection release], _connection = nil;
[[self delegate] zSync:self errorOccurred:error];
}
- (void)connection:(BLIPConnection*)connection receivedResponse:(BLIPResponse*)response;
{
if (![[response properties] valueOfProperty:zsAction]) {
DLog(@"received empty response, ignoring");
return;
}
DLog(@"entered\n%@", [[response properties] allProperties]);
NSInteger action = [[[response properties] valueOfProperty:zsAction] integerValue];
switch (action) {
case zsActionDeregisterClient:
if ([[self delegate] respondsToSelector:@selector(zSyncDeregisterComplete:)]) {
[[self delegate] zSyncDeregisterComplete:self];
}
[self setServerAction:ZSyncServerActionNoActivity];
[[self connection] close];
[self setConnection:nil];
return;
case zsActionFileReceived:
ZAssert(storeFileIdentifiers != nil, @"zsActionFileReceived with a nil storeFileIdentifiers");
[storeFileIdentifiers removeObject:[[response properties] valueOfProperty:zsStoreIdentifier]];
if ([storeFileIdentifiers count] == 0) {
[self sendUploadComplete];
[storeFileIdentifiers release], storeFileIdentifiers = nil;
}
return;
case zsActionRequestPairing:
//Server has accepted the pairing request
//Notify the delegate to present a pairing dialog
if ([[self delegate] respondsToSelector:@selector(zSyncPairingRequestAccepted:)]) {
// ???: This does nothing currently!
//[[self delegate] zSyncPairingRequestAccepted:self];
}
return;
case zsActionAuthenticatePassed:
ALog(@"%s server UUID accepted: %@", [response valueOfProperty:zsServerUUID]);
// [[NSUserDefaults standardUserDefaults] setValue:[response valueOfProperty:zsServerUUID] forKey:zsServerUUID];
// [[NSUserDefaults standardUserDefaults] setValue:[response valueOfProperty:zsServerName] forKey:zsServerName];
// if ([[self delegate] respondsToSelector:@selector(zSyncPairingCodeApproved:)]) {
// [[self delegate] zSyncPairingCodeApproved:self];
// }
// [[self serviceBrowser] stop];
// [_serviceBrowser release], _serviceBrowser = nil;
// [self uploadDataToServer];
return;
case zsActionSchemaUnsupported:
if ([[self delegate] respondsToSelector:@selector(zSync:serverVersionUnsupported:)]) {
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:[response bodyString] forKey:NSLocalizedDescriptionKey];
NSError *error = [NSError errorWithDomain:zsErrorDomain code:[[response valueOfProperty:zsErrorCode] integerValue] userInfo:userInfo];
[[self delegate] zSync:self serverVersionUnsupported:error];
}
[[self connection] close];
[self setConnection:nil];
[self setServerAction:ZSyncServerActionNoActivity];
return;
case zsActionSchemaSupported:
[self connectionEstablished];
return;
default:
ALog(@"%s unknown action received %i", action);
}
}
- (BOOL)connection:(BLIPConnection*)connection receivedRequest:(BLIPRequest*)request
{
NSInteger action = [[[request properties] valueOfProperty:zsAction] integerValue];
switch (action) {
case zsActionAuthenticateFailed:
/*
* The pairing code was not entered correctly so we reset back to a default state
* so that the user can start all over again.
*/
[[self connection] close];
[self setConnection:nil];
if ([[self delegate] respondsToSelector:@selector(zSyncPairingCodeRejected:)]) {
[[self delegate] zSyncPairingCodeRejected:self];
}
[self setServerAction:ZSyncServerActionNoActivity];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:zsServerUUID];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:zsServerName];
return YES;
case zsActionAuthenticatePairing:
if ([[request bodyString] isEqualToString:[self passcode]]) {
[[request response] setValue:zsActID(zsActionAuthenticatePassed) ofProperty:zsAction];
[[NSUserDefaults standardUserDefaults] setValue:[request valueOfProperty:zsServerUUID] forKey:zsServerUUID];
[self performSelector:@selector(uploadDataToServer) withObject:nil afterDelay:0.1];
} else {
[[request response] setValue:zsActID(zsActionAuthenticateFailed) ofProperty:zsAction];
}
[[self delegate] zSyncPairingCodeCompleted:self];
return YES;
case zsActionTestFileTransfer:
[self processTestFileTransfer:request];
return YES;
case zsActionCompleteSync:
DLog(@"completeSync");
[self performSelector:@selector(completeSync) withObject:nil afterDelay:0.01];
return YES;
case zsActionStoreUpload:
DLog(@"receiveFile");
[self receiveFile:request];
return YES;
case zsActionCancelPairing:
DLog(@"Cancel Pairing request received");
[[self connection] close];
[self setConnection:nil];
if ([[self delegate] respondsToSelector:@selector(zSyncPairingCodeCancelled:)]) {
[[self delegate] zSyncPairingCodeCancelled:self];
}
[self setServerAction:ZSyncServerActionNoActivity];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:zsServerUUID];
[[NSUserDefaults standardUserDefaults] removeObjectForKey:zsServerName];
return YES;
default:
ALog(@"Unknown action received: %i", action);
return NO;
}
}
- (void)connectionDidClose:(TCPConnection*)connection;
{
if (![self connection]) return;
//premature closing
[self setConnection:nil];
[self setServerAction:ZSyncServerActionNoActivity];
if (![[self delegate] respondsToSelector:@selector(zSync:errorOccurred:)]) return;
NSDictionary *userInfo = [NSDictionary dictionaryWithObject:NSLocalizedString(@"Server Hung Up", @"Server Hung Up message text") forKey:NSLocalizedDescriptionKey];
NSError *error = [NSError errorWithDomain:zsErrorDomain code:zsErrorServerHungUp userInfo:userInfo];
[[self delegate] zSync:self errorOccurred:error];
}
@synthesize delegate = _delegate;
@synthesize serviceBrowser = _serviceBrowser;
@synthesize connection = _connection;
@synthesize persistentStoreCoordinator = _persistentStoreCoordinator;
@synthesize majorVersionNumber;
@synthesize minorVersionNumber;
@synthesize passcode;
@synthesize serverAction;
@synthesize availableServers;
@synthesize discoveredServers;
@synthesize lock;
@end
@implementation ZSyncService
@synthesize name;
@synthesize uuid;
@synthesize service;
- (NSString*)description
{
return [NSString stringWithFormat:@"[%@:%@]", [self name], [self uuid]];
}
- (NSUInteger)hash
{
return [[self description] hash];
}
- (BOOL)isEqual:(id)object
{
if (!object || ![object isKindOfClass:[ZSyncService class]]) return NO;
if (![[object name] isEqualToString:[self name]]) return NO;
if (![[object uuid] isEqualToString:[self uuid]]) return NO;
return YES;
}
@end