于 2010年12月07日 11:56, Guy Harris 写道:
On Dec 6, 2010, at 7:48 PM, 刘昆 wrote:
I have solve this problem about get ip address.However there is
another question,When I print the ip address I notice there are two
ip addresses I get.
Yes, there are two IP addresses in every IP packet - the source
address, pinfo->src, and the destination address, pinfo->dst.
pinfo->src has only one IP address, and pinfo->dot has only one IP
address.
I think this because there are two kinds of packet in or out.So how
to judge a packet is in or out ?
What do you mean by "in" and "out"? For HTTP traffic, you usually
have traffic going from the client (for example, a browser) to the
server, and traffic going from the server to the client. You would
have to look at whether the packet is an HTTP request (which goes from
the client to the server) or an HTTP reply (which goes from the server
to the client) to determine in which direction the packet is going.
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Yes,this is what exactly I mean. So how should I judge a packet is a
request or reply in packet-http.c?
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