Crashlytics, Localytics, TestFlight + password change warnings.
[ADDED] Crashlytics, Localytics.
[IMPROVED] Async TestFlight takeOff.
[REMOVED] TestFlight token hidden.
[FIXED] Warnings, mostly to do with sign conversions.
[ADDED] Warning messages whenever site's password changes, allowing
the user to cancel the operation.
[ADDED] Make password counter resettable by holding down on the
counter increment button.
This commit is contained in:
Maarten Billemont
260
Localytics/UploaderThread.m
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260
Localytics/UploaderThread.m
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// UploaderThread.m
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// Copyright (C) 2009 Char Software Inc., DBA Localytics
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//
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// This code is provided under the Localytics Modified BSD License.
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// A copy of this license has been distributed in a file called LICENSE
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// with this source code.
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//
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// Please visit www.localytics.com for more information.
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#import "UploaderThread.h"
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#import "LocalyticsSession.h"
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#import "LocalyticsDatabase.h"
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#import <zlib.h>
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#define LOCALYTICS_URL @"http://analytics.localytics.com/api/v2/applications/%@/uploads" // url to send the
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static UploaderThread *_sharedUploaderThread = nil;
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@interface UploaderThread ()
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- (void)complete;
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- (NSData *)gzipDeflatedDataWithData:(NSData *)data;
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- (void)logMessage:(NSString *)message;
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@end
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@implementation UploaderThread
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@synthesize uploadConnection = _uploadConnection;
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@synthesize isUploading = _isUploading;
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#pragma mark Singleton Class
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+ (UploaderThread *)sharedUploaderThread {
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@synchronized(self) {
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if (_sharedUploaderThread == nil)
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{
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_sharedUploaderThread = [[self alloc] init];
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}
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}
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return _sharedUploaderThread;
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}
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#pragma mark Class Methods
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- (void)uploaderThreadwithApplicationKey:(NSString *)localyticsApplicationKey {
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// Do nothing if already uploading.
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if (self.uploadConnection != nil || self.isUploading == true)
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{
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[self logMessage:@"Upload already in progress. Aborting."];
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return;
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}
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[self logMessage:@"Beginning upload process"];
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self.isUploading = true;
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// Prepare the data for upload. The upload could take a long time, so some effort has to be made to be sure that events
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// which get written while the upload is taking place don't get lost or duplicated. To achieve this, the logic is:
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// 1) Append every header row blob string and and those of its associated events to the upload string.
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// 2) Deflate and upload the data.
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// 3) On success, delete all blob headers and staged events. Events added while an upload is in process are not
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// deleted because they are not associated a header (and cannot be until the upload completes).
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// Step 1
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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LocalyticsDatabase *db = [LocalyticsDatabase sharedLocalyticsDatabase];
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NSString *blobString = [db uploadBlobString];
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if ([blobString length] == 0) {
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// There is nothing outstanding to upload.
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[self logMessage:@"Abandoning upload. There are no new events."];
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[pool drain];
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[self complete];
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return;
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}
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NSData *requestData = [blobString dataUsingEncoding:NSUTF8StringEncoding];
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NSString *myString = [[[NSString alloc] initWithData:requestData encoding:NSUTF8StringEncoding] autorelease];
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[self logMessage:@"Upload data:"];
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[self logMessage:myString];
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// Step 2
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NSData *deflatedRequestData = [[self gzipDeflatedDataWithData:requestData] retain];
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[pool drain];
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NSString *apiUrlString = [NSString stringWithFormat:LOCALYTICS_URL, [localyticsApplicationKey stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
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NSMutableURLRequest *submitRequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:apiUrlString]
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cachePolicy:NSURLRequestReloadIgnoringCacheData
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timeoutInterval:60.0];
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[submitRequest setHTTPMethod:@"POST"];
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[submitRequest setValue:@"application/x-gzip" forHTTPHeaderField:@"Content-Type"];
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[submitRequest setValue:@"gzip" forHTTPHeaderField:@"Content-Encoding"];
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[submitRequest setValue:[NSString stringWithFormat:@"%d", [deflatedRequestData length]] forHTTPHeaderField:@"Content-Length"];
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[submitRequest setHTTPBody:deflatedRequestData];
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[deflatedRequestData release];
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// The NSURLConnection Object automatically spawns its own thread as a default behavior.
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@try
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{
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[self logMessage:@"Spawning new thread for upload"];
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self.uploadConnection = [NSURLConnection connectionWithRequest:submitRequest delegate:self];
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// Step 3 is handled by connectionDidFinishLoading.
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}
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@catch (NSException * e)
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{
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[self complete];
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}
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}
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#pragma mark **** NSURLConnection FUNCTIONS ****
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- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
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// Used to gather response data from server - Not utilized in this version
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}
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- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
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// Could receive multiple response callbacks, likely due to redirection.
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// Record status and act only when connection completes load.
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_responseStatusCode = [(NSHTTPURLResponse *)response statusCode];
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}
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- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
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// If the connection finished loading, the files should be deleted. While response status codes in the 5xx range
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// leave upload rows intact, the default case is to delete.
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if (_responseStatusCode >= 500 && _responseStatusCode < 600)
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{
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[self logMessage:[NSString stringWithFormat:@"Upload failed with response status code %d", _responseStatusCode]];
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} else
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{
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// The connection finished loading and uploaded data should be deleted. Because only one instance of the
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// uploader can be running at a time it should not be possible for new upload rows to appear so there is no
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// fear of deleting data which has not yet been uploaded.
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[self logMessage:[NSString stringWithFormat:@"Upload completed successfully. Response code %d", _responseStatusCode]];
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[[LocalyticsDatabase sharedLocalyticsDatabase] deleteUploadData];
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}
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// Close upload session
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[self complete];
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}
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- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
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// On error, simply print the error and close the uploader. We have to assume the data was not transmited
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// so it is not deleted. In the event that we accidently store data which was succesfully uploaded, the
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// duplicate data will be ignored by the server when it is next uploaded.
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[self logMessage:[NSString stringWithFormat:
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@"Error Uploading. Code: %d, Description: %s",
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[error code],
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[error localizedDescription]]];
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[self complete];
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}
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/*!
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@method complete
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@abstract closes the upload connection and reports back to the session that the upload is complete
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*/
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- (void)complete {
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_responseStatusCode = 0;
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self.uploadConnection = nil;
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self.isUploading = false;
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}
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/*!
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@method gzipDeflatedDataWithData
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@abstract Deflates the provided data using gzip at the default compression level (6). Complete NSData gzip category available on CocoaDev. http://www.cocoadev.com/index.pl?NSDataCategory.
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@return the deflated data
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*/
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- (NSData *)gzipDeflatedDataWithData:(NSData *)data
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{
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if ([data length] == 0) return data;
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z_stream strm;
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strm.zalloc = Z_NULL;
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strm.zfree = Z_NULL;
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strm.opaque = Z_NULL;
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strm.total_out = 0;
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strm.next_in=(Bytef *)[data bytes];
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strm.avail_in = [data length];
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// Compresssion Levels:
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// Z_NO_COMPRESSION
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// Z_BEST_SPEED
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// Z_BEST_COMPRESSION
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// Z_DEFAULT_COMPRESSION
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if (deflateInit2(&strm, Z_DEFAULT_COMPRESSION, Z_DEFLATED, (15+16), 8, Z_DEFAULT_STRATEGY) != Z_OK) return nil;
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NSMutableData *compressed = [NSMutableData dataWithLength:16384]; // 16K chunks for expansion
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do {
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if (strm.total_out >= [compressed length])
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[compressed increaseLengthBy: 16384];
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strm.next_out = [compressed mutableBytes] + strm.total_out;
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strm.avail_out = [compressed length] - strm.total_out;
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deflate(&strm, Z_FINISH);
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} while (strm.avail_out == 0);
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deflateEnd(&strm);
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[compressed setLength: strm.total_out];
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return [NSData dataWithData:compressed];
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}
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/*!
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@method logMessage
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@abstract Logs a message with (localytics uploader) prepended to it
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@param message The message to log
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*/
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- (void) logMessage:(NSString *)message {
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if(DO_LOCALYTICS_LOGGING) {
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NSLog(@"(localytics uploader) %s\n", [message UTF8String]);
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}
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}
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#pragma mark System Functions
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+ (id)allocWithZone:(NSZone *)zone {
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@synchronized(self) {
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if (_sharedUploaderThread == nil) {
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_sharedUploaderThread = [super allocWithZone:zone];
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return _sharedUploaderThread;
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}
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}
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// returns nil on subsequent allocations
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return nil;
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}
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- (id)copyWithZone:(NSZone *)zone {
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return self;
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}
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- (id)retain {
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return self;
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}
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- (unsigned)retainCount {
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// maximum value of an unsigned int - prevents additional retains for the class
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return UINT_MAX;
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}
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- (oneway void)release {
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// ignore release commands
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}
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- (id)autorelease {
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return self;
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}
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- (void)dealloc {
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[_uploadConnection release];
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[_sharedUploaderThread release];
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[super dealloc];
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}
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@end
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