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pcap_loop और pcap_dispatch के बीच क्या अंतर है?pcap_loop और pcap_dispatch अंतर
pcap_loop और pcap_dispatch के बीच क्या अंतर है?pcap_loop और pcap_dispatch अंतर
मैनुअल इस अद्भुत तरीके से वर्णन करता है (मैं कह रहा हूं कि सीधे चेहरे, वादे के साथ)। man pcap_loop
से:
pcap_loop() processes packets from a live capture or ``savefile''
until cnt packets are processed, the end of the ``savefile'' is
reached when reading from a ``savefile'', pcap_breakloop() is called,
or an error occurs. It does not return when live read timeouts
occur. A value of -1 or 0 for cnt is equivalent to infinity, so that
packets are processed until another ending condition occurs.
pcap_dispatch() processes packets from a live capture or ``savefile''
until cnt packets are processed, the end of the current bufferful of
packets is reached when doing a live capture, the end of the ``save‐
file'' is reached when reading from a ``savefile'', pcap_breakloop()
is called, or an error occurs. Thus, when doing a live capture, cnt
is the maximum number of packets to process before returning, but is
not a minimum number; when reading a live capture, only one bufferful
of packets is read at a time, so fewer than cnt packets may be pro‐
cessed. A value of -1 or 0 for cnt causes all the packets received in
one buffer to be processed when reading a live capture, and causes
all the packets in the file to be processed when reading a ``save‐
file''.
मैं जानता हूँ कि तुम सच में पढ़ सकते हैं और यह सब समझते हैं, तो चलो इसे तोड़ने के नीचे जाने के लिए नहीं करना चाहता था।
दोनों कार्यों: एक जीवित कब्जा या "savefile" इन शर्तों के किसी भी जब तक से
pcap_dispatch() अकेले