[Winpcap-users] About pcap_sendqueue

[Emma Jin]

Hello,
 
I am new to pcap. I am trying to use pcap to implement a switch. I have a few questions about the pcap_sendqueue. 
 
Can I create a queue and reuse it again and again? I mean, I want to create a queue, capture packets and put them into the queue until it is full. Then I will send the packets out using pcap_sendqueue_transmit and continue the same process.
 
Does the queue have to be full before pcap_sendqueue_transmit is called?
 
One more question about device handle. If I open a device and obtain a device handle, do I need to close the handle somehow? If so, how to close it? If I open the same device twice, what is going to happen?
 
Thank you very much.
 
Emma


      
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