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Orchestra: changes in when the orchestra_parent_knows_us flag is set #17

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Orchestra: changes in when the orchestra_parent_knows_us flag is set #17

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18 changes: 17 additions & 1 deletion source/scheduler_orchestra.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -729,6 +729,11 @@ export function on_tx(node, packet, status_ok)
{
const RPL_CODE_DAO = 0x02; /* Destination Advertisement Option */

if (node.config.RPL_WITH_DAO_ACK) {
/* wait for DAO ACK in this case */
return;
}

/* check if our parent just ACKed a DAO */
if (packet.packet_protocol === constants.PROTO_ICMP6
&& packet.msg_type === RPL_CODE_DAO
Expand All @@ -748,7 +753,18 @@ export function on_tx(node, packet, status_ok)

export function on_rx(node, packet)
{
/* nothing */
const RPL_CODE_DAO_ACK = 0x03; /* DAO acknowledgment */

if (packet.packet_protocol === constants.PROTO_ICMP6
&& packet.msg_type === RPL_CODE_DAO_ACK) {

if (node.orchestra_parent_linkaddr != null
&& addr_equal(packet.nexthop_addr, node.orchestra_parent_linkaddr)) {
/* yes! */
mlog(log.DEBUG, node, `parent sent a DAO ACK: parent definately knows us!`);
node.orchestra_parent_knows_us = true;
}
}
}

/* ------------------------------------------------- */
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