Hi,
I'm trying to send messages from a client written in C + + to NOx
towards port 6633. I made The connection through the socket and the
tcp packet is received by NOX. To send the header of the message HELLO
I am using the function:
connect(sock, (struct sockaddr *) &echoServAddr, sizeof(echoServAddr));
send(sock, H_HEADER, sizeof(H_HEADER), 0);
my questions are two:
how do I assign to the components of the structure ofp_header (which
are uintx_t) values of type char or numeric? (sniffing the packets
that the switch sends the normal controller I have seen that the
values of the fields are ofp_header
struct ofp_header {
uint8_t version; /* OFP_VERSION. */
uint8_t type; /* One of the OFPT_ constants. */
uint16_t length; /* Length including this ofp_header. */
uint32_t xid; /* Transaction id associated with this packet.
Replies use the same id as was in the request
to facilitate pairing. */
};
version = 0x01;
type= Hello
lenght =8
xid: 12354324
)
How do I send the header to the controller? which function to use?
where can i find a NOX library that contain this type of function ?
Thx a lot
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