iOS总结-NSURLSession解析一NSURLSession的各种代理api

NSURLSessionDelegate<NSObject>

NSURLSessionTaskDelegate<NSURLSessionDelegate>

NSURLSessionDataDelegate <NSURLSessionDataDelegate>

NSURLSessionDownloadDelegate <NSURLSessionTaskDelegate>

NSURLSessionStreamDelegate <NSURLSessionTaskDelegate>

NSURLSessionTaskTransactionMetrics
对象封装了执行会话任务期间收集的性能指标.每个对象由请求和响应属性组成,对应于相应任务的请求和响应. 它还包含时间指标,从fetchStartDate开始,以responseEndDate结尾, 以及其他特征, 如networkProtocolName何resourceFetchtype

参考https://www.jianshu.com/p/2ab336db172c

https://github.com/CoderLN/Framework-Codeidea/blob/master/Framework-Codeidea/CoderLN-Foundation/NSObject/NSURLSession.h