backgroud upload

QiniuSDK/Http/QNSessionManager.h

@@ -11,7 +11,8 @@
                       timeout:(UInt32)timeout
                  urlConverter:(QNUrlConvert)converter
               upStatsDropRate:(float)dropRate
-                          dns:(QNDnsManager*)dns;
+                          dns:(QNDnsManager*)dns
+                     enableBg:(BOOL)bg;
 
 - (void)    multipartPost:(NSString *)url
                  withData:(NSData *)data

QiniuSDK/Http/QNSessionManager.m

@@ -92,18 +92,21 @@ - (instancetype)initWithProxy:(NSDictionary *)proxyDict
                       timeout:(UInt32)timeout
                  urlConverter:(QNUrlConvert)converter
               upStatsDropRate:(float)dropRate
-                          dns:(QNDnsManager*)dns {
+                          dns:(QNDnsManager*)dns
+                     enableBg:(BOOL)bg{
 	if (self = [super init]) {
-		NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
 		if (proxyDict != nil) {
-			configuration.connectionProxyDictionary = proxyDict;
 			_noProxy = NO;
 		}
 		else {
 			_noProxy = YES;
 		}
-		_httpManager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:configuration];
-		_httpManager.responseSerializer = [AFHTTPResponseSerializer serializer];
+        if (bg) {
+            _httpManager = [QNSessionManager sharedBgHttpManagerWithProxy:proxyDict];
+        }else{
+            _httpManager = [QNSessionManager httpManagerWithProxy:proxyDict];
+        }
+
 		_timeout = timeout;
 		_converter = converter;
 		_dns = dns;
@@ -113,8 +116,37 @@ - (instancetype)initWithProxy:(NSDictionary *)proxyDict
 	return self;
 }
 
++ (AFHTTPSessionManager*) httpManagerWithProxy:(NSDictionary *)proxyDict{
+    NSURLSessionConfiguration *configuration =  [NSURLSessionConfiguration defaultSessionConfiguration];
+    if (proxyDict != nil) {
+        configuration.connectionProxyDictionary = proxyDict;
+    }
+
+    AFHTTPSessionManager *httpManager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:configuration];
+    httpManager.responseSerializer = [AFHTTPResponseSerializer serializer];
+    return httpManager;
+}
+
++ (AFHTTPSessionManager*) sharedBgHttpManagerWithProxy:(NSDictionary *)proxyDict{
+    static AFHTTPSessionManager *httpManager = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        NSURLSessionConfiguration *configuration = nil;
+        configuration = [NSURLSessionConfiguration backgroundSessionConfigurationWithIdentifier:[QNUserAgent sharedInstance].id];
+        if (proxyDict != nil) {
+            configuration.connectionProxyDictionary = proxyDict;
+        }
+
+        httpManager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:configuration];
+        httpManager.responseSerializer = [AFHTTPResponseSerializer serializer];
+        [httpManager setDidFinishEventsForBackgroundURLSessionBlock:^(NSURLSession *session) {}];
+    });
+
+    return httpManager;
+}
+
 - (instancetype)init {
-	return [self initWithProxy:nil timeout:60 urlConverter:nil upStatsDropRate:-1 dns:nil];
+	return [self initWithProxy:nil timeout:60 urlConverter:nil upStatsDropRate:-1 dns:nil enableBg:NO];
 }
 
 + (QNResponseInfo *)buildResponseInfo:(NSHTTPURLResponse *)response

QiniuSDK/Http/QNStats.m

@@ -159,7 +159,7 @@ - (instancetype) initWithPushInterval: (int) interval
 #endif
 
 	// timer for push
-	NSLog(@"interval %d", _pushInterval);
+//	NSLog(@"interval %d", _pushInterval);
 	_pushTimer = [NSTimer scheduledTimerWithTimeInterval:_pushInterval target:self selector:@selector(pushStats) userInfo:nil repeats:YES];
 	[_pushTimer fire];
 

QiniuSDK/Http/QNUserAgent.m

@@ -19,7 +19,11 @@
 
 static NSString *clientId(void) {
 #if __IPHONE_OS_VERSION_MIN_REQUIRED
-	return [[[UIDevice currentDevice] identifierForVendor] UUIDString];
+	NSString* s= [[[UIDevice currentDevice] identifierForVendor] UUIDString];
+    if (s == nil ) {
+        s = @"simulator";
+    }
+    return s;
 #else
 	long long now_timestamp = [[NSDate date] timeIntervalSince1970] * 1000;
 	int r = arc4random() % 1000;

QiniuSDK/Storage/QNConfiguration.h

@@ -79,6 +79,8 @@ typedef void (^QNConfigurationBuilderBlock)(QNConfigurationBuilder *builder);
 
 @property (readonly) BOOL disableATS;
 
+@property (readonly) BOOL enableBackgroundUpload;
+
 @property (readonly) float upStatsDropRate;
 
 + (instancetype)build:(QNConfigurationBuilderBlock)block;
@@ -178,6 +180,7 @@ typedef void (^QNConfigurationBuilderBlock)(QNConfigurationBuilder *builder);
 
 @property (assign) BOOL disableATS;
 
+@property (assign) BOOL enableBackgroundUpload;
 /**
  *   上传统计随机上传的概率，1为全部上传，0为不上传，0.5为随机上传一半。默认0.3
  */

QiniuSDK/Storage/QNConfiguration.m

@@ -109,6 +109,8 @@ - (instancetype)init {
 		_converter = nil;
 
 		_disableATS = YES;
+
+        _enableBackgroundUpload = NO;
 
 		_upStatsRate = 0.3;
 	}

QiniuSDK/Storage/QNUploadManager.m

@@ -71,7 +71,7 @@ - (instancetype)initWithConfiguration:(QNConfiguration *)config {
 		_config = config;
 #if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)
 		if (hasNSURLSession()) {
-			_httpManager = [[QNSessionManager alloc] initWithProxy:config.proxy timeout:config.timeoutInterval urlConverter:config.converter upStatsDropRate:-1 dns:config.dns];
+			_httpManager = [[QNSessionManager alloc] initWithProxy:config.proxy timeout:config.timeoutInterval urlConverter:config.converter upStatsDropRate:-1 dns:config.dns enableBg:config.enableBackgroundUpload];
 		}
 		else {
 			_httpManager = [[QNHttpManager alloc] initWithTimeout:config.timeoutInterval urlConverter:config.converter upStatsDropRate:config.upStatsDropRate dns:config.dns];

QiniuSDKTests/QNSessionTest.m

@@ -93,7 +93,7 @@ - (void)testProxy {
 		(NSString *)kCFStreamPropertyHTTPProxyPort  : @8888,
 	};
 
-	QNSessionManager *httpManager = [[QNSessionManager alloc] initWithProxy:proxyDict timeout:60 urlConverter:nil upStatsDropRate:-1 dns:nil];
+	QNSessionManager *httpManager = [[QNSessionManager alloc] initWithProxy:proxyDict timeout:60 urlConverter:nil upStatsDropRate:-1 dns:nil enableBg:NO];
 	NSData *data = [@"Hello, World!" dataUsingEncoding:NSUTF8StringEncoding];
 	__block QNResponseInfo *testInfo = nil;
 	[httpManager post:@"http://up123.qiniu.com" withData:data withParams:nil withHeaders:nil withStats:nil withCompleteBlock: ^(QNResponseInfo *info, NSDictionary *resp) {
@@ -110,7 +110,7 @@ - (void)testUrlConvert {
 		return [url stringByReplacingOccurrencesOfString:@"upnono" withString:@"up"];
 	};
 
-	QNSessionManager *httpManager = [[QNSessionManager alloc] initWithProxy:nil timeout:60 urlConverter:c upStatsDropRate:-1 dns:nil];
+	QNSessionManager *httpManager = [[QNSessionManager alloc] initWithProxy:nil timeout:60 urlConverter:c upStatsDropRate:-1 dns:nil enableBg:NO];
 	NSData *data = [@"Hello, World!" dataUsingEncoding:NSUTF8StringEncoding];
 	__block QNResponseInfo *testInfo = nil;
 	[httpManager post:@"http://upnono.qiniu.com" withData:data withParams:nil withHeaders:nil withStats:nil withCompleteBlock: ^(QNResponseInfo *info, NSDictionary *resp) {
@@ -129,7 +129,7 @@ - (void)testPostIp {
 	QNResolver *resolver = [[QNResolver alloc] initWithAddres:@"114.114.115.115"];
 	QNDnsManager *dns = [[QNDnsManager alloc] init:[NSArray arrayWithObject:resolver] networkInfo:[QNNetworkInfo normal]];
 	[dns putHosts: @"upnonono.qiniu.com" ip: [QNZone zone0].up.ips[0]];
-	QNSessionManager *httpManager = [[QNSessionManager alloc] initWithProxy:nil timeout:60 urlConverter:nil upStatsDropRate:-1 dns:dns];
+	QNSessionManager *httpManager = [[QNSessionManager alloc] initWithProxy:nil timeout:60 urlConverter:nil upStatsDropRate:-1 dns:dns enableBg:NO];
 	[httpManager post:@"http://upnonono.qiniu.com" withData:data withParams:nil withHeaders:nil withStats:nil withCompleteBlock: ^(QNResponseInfo *info, NSDictionary *resp) {
 	         testInfo = info;
 	 } withProgressBlock:nil withCancelBlock:nil];