performance report for sdwebimage

@@ -10,8 +10,6 @@
 
 @interface SDWebImageManager (AutoTrack)
 
-@property(nonatomic,copy)NSString *yh_webImageId;//唯一ID
-
 +(void)startTrack;
 
 @end

@@ -7,87 +7,112 @@
 //
 
 #import "SDWebImageManager+AutoTrack.h"
-#import "YHSwizzle.h"
-#import <objc/runtime.h>
-#import <objc/message.h>
-#import "YH_EventCollector.h"
-#import "YHLog.h"
 #import "YHEventReport.h"
 
+@interface NSNumber (YH_UnitConvert)
 
-@implementation SDWebImageManager (AutoTrack)
+@property (nonatomic, copy, readonly) NSNumber *SToIntMS;//s -> ms 并取整
+
+@end
+
+@implementation NSNumber (YH_UnitConvert)
+
+- (NSNumber *)SToIntMS {
+    const double ms = self.doubleValue;
+    const double s = ms * 1000;
+    return @((NSUInteger)s);
+}
+
+@end
+
+@interface NSURLSessionTaskTransactionMetrics (YH_TrackEvent)
+
+@property (nonatomic, copy, readonly) NSNumber *totalTime;
+@property (nonatomic, copy, readonly) NSNumber *dnsTime;
+@property (nonatomic, copy, readonly) NSNumber *connectTime;
+@property (nonatomic, copy, readonly) NSNumber *secureConnectTime;
+@property (nonatomic, copy, readonly) NSNumber *requestTime;
+@property (nonatomic, copy, readonly) NSNumber *responseTime;
+
+@end
+
+@implementation NSURLSessionTaskTransactionMetrics (YH_TrackEvent)
+
+- (NSNumber *)timeIntervalFromDate:(NSDate *)fromDate toDate:(NSDate *)toDate {
+    if (fromDate && toDate &&
+        [fromDate compare:toDate] == NSOrderedAscending) {
+        return @([toDate timeIntervalSinceDate:fromDate]);
+    }
+    return @(0.f);
+}
+
+- (NSNumber *)totalTime {
+    return [self timeIntervalFromDate:self.fetchStartDate toDate:self.responseEndDate];
+}
 
+- (NSNumber *)dnsTime {
+    return [self timeIntervalFromDate:self.domainLookupStartDate toDate:self.domainLookupEndDate];
+}
 
-- (void)setYh_webImageId:(NSString *)yh_webImageId{
-    objc_setAssociatedObject(self,@selector(yh_webImageId),yh_webImageId,OBJC_ASSOCIATION_RETAIN);
+- (NSNumber *)connectTime {
+    return [self timeIntervalFromDate:self.connectStartDate toDate:self.connectEndDate];
 }
 
-- (NSString *)yh_webImageId{
-    return objc_getAssociatedObject(self, @selector(yh_webImageId));
+- (NSNumber *)secureConnectTime {
+    return [self timeIntervalFromDate:self.secureConnectionStartDate toDate:self.secureConnectionEndDate];
 }
 
+- (NSNumber *)requestTime {
+    return [self timeIntervalFromDate:self.requestStartDate toDate:self.requestEndDate];
+}
+
+- (NSNumber *)responseTime {
+    return [self timeIntervalFromDate:self.responseStartDate toDate:self.responseEndDate];
+}
+
+@end
+
+@implementation SDWebImageManager (AutoTrack)
+
 +(void)startTrack
 {
     static dispatch_once_t onceToken;
     dispatch_once(&onceToken, ^{
-        @try {
-            
-            NSError *downloadImageError = NULL;
-            [[self class] yh_swizzleMethod:@selector(downloadImageWithURL:options:progress:completed:)
-                                withMethod:@selector(yher_downloadImageWithURL:options:progress:completed:)
-                                     error:&downloadImageError];
-            if (downloadImageError) {
-                downloadImageError = NULL;
-            }
-
-        } @catch (NSException *exception) {
-            YHLog(@"%@ error: %@", self, exception);
-        }
+        [[NSNotificationCenter defaultCenter] addObserverForName:@"yoho_image_download_network_metrics" object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification * _Nonnull note) {
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+                [self reportImageViewPerformanceForNotification:note];
+            });
+        }];
     });
 }
 
-- (id <SDWebImageOperation>)yher_downloadImageWithURL:(NSURL *)url
-                                         options:(SDWebImageOptions)options
-                                        progress:(SDWebImageDownloaderProgressBlock)progressBlock
-                                       completed:(SDInternalCompletionBlock)completedBlock
-{
-    @try {
-        if ([url isKindOfClass:NSString.class]) {
-            url = [NSURL URLWithString:(NSString *)url];
-        }
-        
-        // Prevents app crashing on argument type error like sending NSNull instead of NSURL
-        if ([url isKindOfClass:NSURL.class]) {
-            if ([YHEventReport sharedInstance].isPerformanceTrackEnabled && [YHEventReport sharedInstance].isImagePerformanceTrackEnable){
-                [[YH_EventCollector sharedInstance] timeEventStartWithWebImageDownloadURL:url.absoluteString];
-            }
-        }
-    } @catch (NSException *exception) {
-        YHLog(@"%@ error: %@", self, exception);
++ (void)reportImageViewPerformanceForNotification:(NSNotification *)note {
+    NSURLSessionTaskMetrics *metrics = note.userInfo[@"metrics"];
+    NSError *error = note.userInfo[@"error"];
+    NSParameterAssert([metrics isKindOfClass:[NSURLSessionTaskMetrics class]]);
+    if (error.code == NSURLErrorCancelled ) {
+        return;
     }
-    
-    return [self yher_downloadImageWithURL:url options:options progress:progressBlock completed:^(UIImage * _Nullable image, NSData * _Nullable data, NSError * _Nullable error, SDImageCacheType cacheType, BOOL finished, NSURL * _Nullable imageURL) {
-        
-        @try {
-            if ([url isKindOfClass:NSURL.class]) {
-                if ([YHEventReport sharedInstance].isPerformanceTrackEnabled && [YHEventReport sharedInstance].isImagePerformanceTrackEnable){
-                    if (cacheType == SDImageCacheTypeNone) {//暂时只去下载的图片的时间，过滤掉读缓存的时间
-                        if (error) {
-                                [[YH_EventCollector sharedInstance] timeEventEndWithWebImageDownloadURL:url.absoluteString status:YHEventLoadStatusFailed];
-                             }else{
-                                 [[YH_EventCollector sharedInstance] timeEventEndWithWebImageDownloadURL:url.absoluteString status:YHEventLoadStatusSuc];
-                             }
-                    }
-                }
-            }
-        } @catch (NSException *exception) {
-            YHLog(@"%@ error: %@", self, exception);
-        }
-        
-        if (completedBlock) {
-            completedBlock(image,data,error,cacheType,finished,imageURL);
+    [metrics.transactionMetrics enumerateObjectsUsingBlock:^(NSURLSessionTaskTransactionMetrics * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
+        if (obj.resourceFetchType == NSURLSessionTaskMetricsResourceFetchTypeNetworkLoad) {
+            [self reportImageDownloadTransactionMetrics:obj];
         }
     }];
 }
 
++ (void)reportImageDownloadTransactionMetrics:(NSURLSessionTaskTransactionMetrics *)transMetrics {
+    NSDictionary *performanceDict = @{ @"url" : transMetrics.request.URL.absoluteString ?: @"",
+                                       @"protocol": transMetrics.networkProtocolName ?:@"",
+                                       @"proxyConnection": transMetrics.proxyConnection ? @"1" : @"0",
+                                       @"reusedConnection": transMetrics.reusedConnection ? @"1" : @"0",
+                                       @"fetch": transMetrics.totalTime.SToIntMS,
+                                       @"dns": transMetrics.dnsTime.SToIntMS,
+                                       @"connect": transMetrics.connectTime.SToIntMS,
+                                       @"secureConnection": transMetrics.secureConnectTime.SToIntMS,
+                                       @"request": transMetrics.requestTime.SToIntMS,
+                                       @"response": transMetrics.responseTime.SToIntMS
+                                       };
+    [[YHEventReport sharedInstance] reportWithPointType:YHPT_PERFORMANCE pointName:YHPN_IMAGEVIEW parameters:performanceDict];
+}
+
 @end