qt - QNetworkReply - connection established, first byte written, etc -

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i'd log lifetime of qnetworkreply object. includes:

  1. when underlying socket connection established
  2. when first byte of request sent
  3. when first byte of response received
  4. when last byte of response finished

(3) , (4) can determined listening downloadprogress signal, i'm not sure how (1) , (2). there way listen on underlying socket of qnetworkreply? uploadprogress signal doesn't seem triggered requests.

i have no idea if (1) possible others easy. have seen network trace example? not work case?


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