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    • Dimitris Aragiorgis's avatar
      Fix bug that causes nfdhcpd to freeze · 8d3dcc3b
      Dimitris Aragiorgis authored
      nfdhcpd opens a socket during init. socket.send() blocks in case
      SO_SNDBUF is full. This might happen when packages are pushed to
      buffer but never consumed (e.g. VM is shuting down).
      
      To fix this we use non-blocking send with MSG_DONTWAIT and catch
      the error when the resource is not available.
      
      In order to empty the socket buffer we close the socket and re-open it.
      To this end we need CAP_NET_RAW capability otherwise operation
      (socket.socket()) is not permitted.
      
      Add various logging messages (during client creation, opening a
      socket, etc.)
      Signed-off-by: default avatarDimitris Aragiorgis <dimara@grnet.gr>
      8d3dcc3b
  13. 06 Sep, 2012 5 commits
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