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  1. Qt
  2. QTBUG-65099

readDatagram() won't return the sender's address in Qt 5.10.0

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Details

    • Bug
    • Resolution: Duplicate
    • Not Evaluated
    • None
    • 5.10.0
    • Network
    • None

    Description

      I'm migrating my code from Qt 5.8.0 to Qt 5.10.0. But I find my code won't work any more.

      In my situation, I send broadcast to 5 remote machines, then wait the answers (UDP) from them, and get their addresses from the UDP, so I use "readDatagram()". It works very well in Qt 5.8.0, but after migrated to Qt 5.10.0, it don't work anymore. The returned address and port both are wrong, address is empty, and "port" fixed to "1".

      Platform: Win7 64bit, with Qt 5.10.0-VS2015-x86 precompiled library.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-64784 QUdpSocket::readDatagram incorrectly fills the host and port values

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-65166 QUdpSocket::readDatagram no longer returns originating host (Windows only regression)

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
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              tpochep Timur Pocheptsov
              diverger Hua Zhang
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                Created:
                Updated:
                Resolved:

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