PCAP.Filter.Compile

PCAP.Filter.Compile

Method signature

 Shared Function Compile(Expression As String, Optional ActiveCapture As PCAP.Capture, Optimize As Boolean = False) As PCAP.Filter
 Protected Shared Function Compile(Expression As String, ActiveCapture As PCAP.Capture, Program As MemoryBlock, Optimize As Integer, Netmask As UInt32 = &hffffff) As Boolean

Parameters

Compile(String, PCAP.Capture, Boolean)

Name	Type	Comment
Expression	String	A BPF filter expression
ActiveCapture	Capture	An instance of Capture, representing either a live device or a dump file
Optimize	Boolean	If True the compiled filter program will be optimized

Compile(String, PCAP.Capture, MemoryBlock, Integer, UInt32)

Name	Type	Comment
Expression	String	A BPF filter expression
ActiveCapture	Capture	An instance of Capture, representing either a live device or a dump file
Program	MemoryBlock	A 8-byte block of memory to hold the compiled program reference
Optimize	Integer	If 1 the compiled filter program will be optimized
Netmask	UInt32	Optional. If specified, the netmask to apply filtering to

Remarks

Generates a compiled filter program from the high level filtering expression given as the first parameter. If the program did not compile successfully then this method returns Nil. Check Filter.LastCompileError if this method returns Nil.