How to get data sending progress from NWConnection.send(content:Data([UInt8]),_:,_) tcp socket connection in swift

 

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Code Block  
 var data = try! Data(contentsOf: uri)
self.con!.send(content:data,contentContext:.finalMessage,isComplete:false,completion:.contentProcessed({ e in
	if let error = e{
		print("file send error = \(error)")
	}else{
		print("------ file send Completed -------")
		DispatchQueue.main.sync {
			self.delegate?.fileSentComplete()
		}
  }
 }))