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Update docs on sniff_loop handle persistency

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Matias Fontanini
2015-08-25 20:15:04 -07:00
parent 69b26bd637
commit 2cf61403e1
1 changed files with 7 additions and 0 deletions
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7
include/tins/sniffer.h
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@@ -156,6 +156,13 @@ namespace Tins {
* Sniffing will stop when either max_packets are sniffed(if it is != 0),
* or when the functor returns false.
*
* Note that the pcap handle stored in a BaseSniffer will always be the
* same. This means that if you start sniffing using sniff_loop, then stop
* and at some point in the future you call sniff_loop again, you will keep
* iterating over the same handle. If the handle points to a pcap file, then
* you will continue processing packets from it. If the handle points to
* a network device, you will keep sniffing from it.
*
* This method catches both malformed_packet and pdu_not_found exceptions,
* which allows writing much cleaner code, since you can call PDU::rfind_pdu
* without worrying about catching the exception that can be thrown. This