/*
* Sends a control event with code "code" and selection "selection"
* to node "node", packing pkt->body with "data" which must be of
* size "len".
*/
int node_ctrl(merlin_node *node, int code, uint selection, void *data,
uint32_t len, int msec)
{
merlin_event pkt;
if (len > sizeof(pkt.body)) {
lerr("Attempted to send %u bytes of data when max is %u",
len, sizeof(pkt.body));
bt_scan(NULL, 0);
return -1;
}
memset(&pkt.hdr, 0, HDR_SIZE);
pkt.hdr.sig.id = MERLIN_SIGNATURE;
pkt.hdr.protocol = MERLIN_PROTOCOL_VERSION;
gettimeofday(&pkt.hdr.sent, NULL);
pkt.hdr.type = CTRL_PACKET;
pkt.hdr.len = len;
pkt.hdr.code = code;
pkt.hdr.selection = selection & 0xffff;
if (data)
memcpy(&pkt.body, data, len);
return node_send_event(node, &pkt, msec);
}
/* send a specific packet to a specific host */
static int net_sendto(merlin_node *node, merlin_event *pkt)
{
if (!pkt || !node) {
lerr("net_sendto() called with neither node nor pkt");
return -1;
}
return node_send_event(node, pkt, 100);
}
/* send a specific packet to a specific host */
int net_sendto(merlin_node *node, merlin_event *pkt)
{
if (!pkt || !node) {
lerr("net_sendto() called with neither node nor pkt");
return -1;
}
/* Do not block in the Naemon event loop, retry on the next iteration. */
return node_send_event(node, pkt, 0);
}
