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base repository: the-tcpdump-group/libpcap
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head repository: benzea/libpcap
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compare: master
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  • 2 commits
  • 23 files changed
  • 1 contributor

Commits on Mar 27, 2025

  1. set break_loop in pcap.c when PCAP_ERROR_BREAK is returned 

    The code is the same everywhere anyway, and there are just a few callers
of read_op that need to deal with this. So let the caller handle it.

This should be a bit nicer overall and will simplify the implementation
to permit breaking the loop in a way that also flushes out the queue.
    @benzea
    benzea committed Mar 27, 2025
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    229eb08 View commit details
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  2. add pcap_breakloop_flush API and implement it on linux 

    It is useful to get all the packets up to the current point in time. Due
to input buffering this may not be the case. On Linux with tcpdump, one
can get up to a second worth of packets that are not processed.

Add a new pcap_breakloop_flush and set the internal break_loop variable
to separate values depending on which version of pcap_breakloop was
used. Then, on Linux, keep processing packets without polling if the
break_loop variable is set to PCAPINT_BREAK_FLUSH, but abort immediately
in the PCAPINT_BREAK_IMMEDIATE case.
    @benzea
    benzea committed Mar 27, 2025
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