void idmanager_triggerAboutRoot() {
uint8_t number_bytes_from_input_buffer;
uint8_t input_buffer[9];
open_addr_t myPrefix;
uint8_t dodagid[16];
//=== get command from OpenSerial
number_bytes_from_input_buffer = openserial_getInputBuffer(input_buffer,sizeof(input_buffer));
if (number_bytes_from_input_buffer!=sizeof(input_buffer)) {
openserial_printError(COMPONENT_IDMANAGER,ERR_INPUTBUFFER_LENGTH,
(errorparameter_t)number_bytes_from_input_buffer,
(errorparameter_t)0);
return;
};
//=== handle command
// take action (byte 0)
switch (input_buffer[0]) {
case ACTION_YES:
idmanager_setIsDAGroot(TRUE);
break;
case ACTION_NO:
idmanager_setIsDAGroot(FALSE);
break;
case ACTION_TOGGLE:
if (idmanager_getIsDAGroot()) {
idmanager_setIsDAGroot(FALSE);
} else {
idmanager_setIsDAGroot(TRUE);
}
break;
}
// store prefix (bytes 1-8)
myPrefix.type = ADDR_PREFIX;
memcpy(
myPrefix.prefix,
&input_buffer[1],
sizeof(myPrefix.prefix)
);
idmanager_setMyID(&myPrefix);
// indicate DODAGid to RPL
memcpy(&dodagid[0],idmanager_vars.myPrefix.prefix,8); // prefix
memcpy(&dodagid[8],idmanager_vars.my64bID.addr_64b,8); // eui64
icmpv6rpl_writeDODAGid(dodagid);
return;
}
/**
\brief Called when RPL message received.
\param[in] msg Pointer to the received message.
*/
void icmpv6rpl_receive(OpenQueueEntry_t* msg) {
uint8_t icmpv6code;
open_addr_t myPrefix;
// take ownership
msg->owner = COMPONENT_ICMPv6RPL;
// retrieve ICMPv6 code
icmpv6code = (((ICMPv6_ht*)(msg->payload))->code);
// toss ICMPv6 header
packetfunctions_tossHeader(msg,sizeof(ICMPv6_ht));
// handle message
switch (icmpv6code) {
case IANA_ICMPv6_RPL_DIO:
if (idmanager_getIsBridge()==TRUE) {
// stop here if I'm in bridge mode
break; // break, don't return
}
// update neighbor table
neighbors_indicateRxDIO(msg);
// update DODAGID in DIO/DAO
memcpy(
&(icmpv6rpl_vars.dio.DODAGID[0]),
&(((icmpv6rpl_dio_ht*)(msg->payload))->DODAGID[0]),
sizeof(icmpv6rpl_vars.dio.DODAGID)
);
memcpy(
&(icmpv6rpl_vars.dao.DODAGID[0]),
&(((icmpv6rpl_dio_ht*)(msg->payload))->DODAGID[0]),
sizeof(icmpv6rpl_vars.dao.DODAGID)
);
// remember I got a DODAGID
icmpv6rpl_vars.DODAGIDFlagSet=1;
// update my prefix
myPrefix.type = ADDR_PREFIX;
memcpy(
myPrefix.prefix,
&((icmpv6rpl_dio_ht*)(msg->payload))->DODAGID[0],
sizeof(myPrefix.prefix)
);
idmanager_setMyID(&myPrefix);
break;
case IANA_ICMPv6_RPL_DAO:
// this should never happen
openserial_printCritical(COMPONENT_ICMPv6RPL,ERR_UNEXPECTED_DAO,
(errorparameter_t)0,
(errorparameter_t)0);
break;
default:
// this should never happen
openserial_printCritical(COMPONENT_ICMPv6RPL,ERR_MSG_UNKNOWN_TYPE,
(errorparameter_t)icmpv6code,
(errorparameter_t)0);
break;
}
// free message
openqueue_freePacketBuffer(msg);
}
