Handle netgraph control messages
Julian Elischer
julian at elischer.org
Wed Apr 7 18:43:34 UTC 2010
On 4/7/10 8:51 AM, serena zanetta wrote:
> I’ve modified the ng_hub node code in order to send a “connect” control
> message to the following ng_ksocket node.
>
At very first glance it looks ok but I'll have to go look a the code
to see if you've forgotten something :-)
>
>
> I’ve filled a sockaddr_in structure, named connect_saddrin, as:
>
> connect_saddrin.sin_len = 16;
>
> connect_saddrin.sin_family = AF_INET;
>
> connect_saddrin.sin_port = htonl(55056);
>
> connect_saddrin.sin_addr.s_addr = htonl(remoteIP.s_addr);
>
> And then I’ve initialized the control message and send it out:
>
>
> NG_MKMESSAGE(connect_msg,NGM_KSOCKET_COOKIE,NGM_KSOCKET_CONNECT,sizeof(struct
> sockaddr_in),M_NOWAIT);
>
> *(struct sockaddr_in *)connect_msg->data = connect_saddrin;
>
> NG_SEND_MSG_HOOK(error,node,connect_msg,hook2,0);
>
>
>
> But it doesn’t work: no message is received by the ng_ksocket node!
>
>
>
> Can anyone help me please?
>
>
>
> Thank you,
>
>
>
> Serena
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