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Pcap learning notes II: pcap4j source code Notes
2022-07-07 13:08:00 【Mountain Ghost ballad me】
Environmental Science
pcap4j:1.8.3
timeval
org.pcap4j.core.NativeMappings.timeval
, This class inherits from com.sun.jna.Structure
.
There are two main fields :
/** * second */
public NativeLong tv_sec; // long
/** * Microsecond */
public NativeLong tv_usec; // long
Actually in Linux in tv_sec The number of seconds used to store the current timestamp , It's usually long type ;tv_usec The number of microseconds used to store the current timestamp , It's usually int type . So it's and Linux Corresponding .
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