void icmpv6rpl_setDAOPeriod(uint16_t daoPeriod){
uint32_t daoPeriodRandom;
icmpv6rpl_vars.daoPeriod = daoPeriod;
daoPeriodRandom = icmpv6rpl_vars.daoPeriod - 0x80 + (openrandom_get16b()&0xff);
opentimers_setPeriod(
icmpv6rpl_vars.timerIdDAO,
TIME_MS,
daoPeriodRandom
);
}
void task_resNotifSendDone() {
OpenQueueEntry_t* msg;
// get recently-sent packet from openqueue
msg = openqueue_resGetSentPacket();
if (msg==NULL) {
// log the error
openserial_printError(COMPONENT_RES,ERR_NO_SENT_PACKET,
(errorparameter_t)0,
(errorparameter_t)0);
// abort
return;
}
// declare it as mine
msg->owner = COMPONENT_RES;
// indicate transmission (to update statistics)
if (msg->l2_sendDoneError==E_SUCCESS) {
neighbors_indicateTx(&(msg->l2_nextORpreviousHop),
msg->l2_numTxAttempts,
TRUE,
&msg->l2_asn);
/* piggy502: only apply Rx mask after a RES packet is sent */
switch(msg->creator){
case COMPONENT_RES:
applyRxMask();
break;
default:
break;
}
} else {
neighbors_indicateTx(&(msg->l2_nextORpreviousHop),
msg->l2_numTxAttempts,
FALSE,
&msg->l2_asn);
}
// send the packet to where it belongs
if (msg->creator == COMPONENT_RES) {
// discard (ADV or KA) packets this component has created
openqueue_freePacketBuffer(msg);
// I can send the next ADV or KA
res_vars.busySending = FALSE;
// restart a random timer
res_vars.periodMaintenance = 1700+(openrandom_get16b()&0xff);
opentimers_setPeriod(res_vars.timerId,
TIME_MS,
res_vars.periodMaintenance);
} else {
// send the rest up the stack
iphc_sendDone(msg,msg->l2_sendDoneError);
}
}
/**
\brief Handler for DIO timer event.
\note This function is executed in task context, called by the scheduler.
*/
void icmpv6rpl_timer_DIO_task() {
uint32_t dioPeriod;
// send DIO
sendDIO();
// arm the DIO timer with this new value
dioPeriod = icmpv6rpl_vars.dioPeriod - 0x80 + (openrandom_get16b()&0xff);
opentimers_setPeriod(
icmpv6rpl_vars.timerIdDIO,
TIME_MS,
dioPeriod
);
}
/**
\brief Handler for DAO timer event.
\note This function is executed in task context, called by the scheduler.
*/
void icmpv6rpl_timer_DAO_task() {
// update the delayDAO
icmpv6rpl_vars.delayDAO = (icmpv6rpl_vars.delayDAO+1)%5;
// check whether we need to send DAO
if (icmpv6rpl_vars.delayDAO==0) {
// send DAO
sendDAO();
// pick a new pseudo-random periodDAO
icmpv6rpl_vars.periodDAO = TIMER_DAO_TIMEOUT+(openrandom_get16b()&0xff);
// arm the DAO timer with this new value
opentimers_setPeriod(
icmpv6rpl_vars.timerIdDAO,
TIME_MS,
icmpv6rpl_vars.periodDAO
);
}
}
void task_sixtopNotifSendDone() {
OpenQueueEntry_t* msg;
// get recently-sent packet from openqueue
msg = openqueue_sixtopGetSentPacket();
if (msg==NULL) {
openserial_printCritical(
COMPONENT_SIXTOP,
ERR_NO_SENT_PACKET,
(errorparameter_t)0,
(errorparameter_t)0
);
return;
}
// take ownership
msg->owner = COMPONENT_SIXTOP;
// update neighbor statistics
if (msg->l2_sendDoneError==E_SUCCESS) {
neighbors_indicateTx(
&(msg->l2_nextORpreviousHop),
msg->l2_numTxAttempts,
TRUE,
&msg->l2_asn
);
} else {
neighbors_indicateTx(
&(msg->l2_nextORpreviousHop),
msg->l2_numTxAttempts,
FALSE,
&msg->l2_asn
);
}
// send the packet to where it belongs
switch (msg->creator) {
case COMPONENT_SIXTOP:
if (msg->l2_frameType==IEEE154_TYPE_BEACON) {
// this is a ADV
// not busy sending ADV anymore
sixtop_vars.busySendingEB = FALSE;
} else {
// this is a KA
// not busy sending KA anymore
sixtop_vars.busySendingKA = FALSE;
}
// discard packets
openqueue_freePacketBuffer(msg);
// restart a random timer
sixtop_vars.periodMaintenance = 872+(openrandom_get16b()&0xff);
opentimers_setPeriod(
sixtop_vars.maintenanceTimerId,
TIME_MS,
sixtop_vars.periodMaintenance
);
break;
case COMPONENT_SIXTOP_RES:
sixtop_six2six_sendDone(msg,msg->l2_sendDoneError);
break;
default:
// send the rest up the stack
iphc_sendDone(msg,msg->l2_sendDoneError);
break;
}
}
void sixtop_removeCell(open_addr_t* neighbor){
OpenQueueEntry_t* pkt;
bool outcome;
uint8_t len;
uint8_t type;
uint8_t frameID;
uint8_t flag;
cellInfo_ht cellList[SCHEDULEIEMAXNUMCELLS];
memset(cellList,0,sizeof(cellList));
// filter parameters
if (sixtop_vars.six2six_state!=SIX_IDLE){
return;
}
if (neighbor==NULL){
return;
}
// generate candidate cell list
outcome = sixtop_candidateRemoveCellList(
&type,
&frameID,
&flag,
cellList,
neighbor
);
if(outcome == FALSE){
return;
}
// get a free packet buffer
pkt = openqueue_getFreePacketBuffer(COMPONENT_SIXTOP_RES);
if(pkt==NULL) {
openserial_printError(
COMPONENT_SIXTOP_RES,
ERR_NO_FREE_PACKET_BUFFER,
(errorparameter_t)0,
(errorparameter_t)0
);
return;
}
// update state
sixtop_vars.six2six_state = SIX_SENDING_REMOVEREQUEST;
// declare ownership over that packet
pkt->creator = COMPONENT_SIXTOP_RES;
pkt->owner = COMPONENT_SIXTOP_RES;
memcpy(
&(pkt->l2_nextORpreviousHop),
neighbor,
sizeof(open_addr_t)
);
// create packet
len = 0;
len += processIE_prependSheduleIE(pkt,type,frameID, flag,cellList);
len += processIE_prependOpcodeIE(pkt,SIXTOP_REMOVE_SOFT_CELL_REQUEST);
processIE_prependMLMEIE(pkt,len);
// indicate IEs present
pkt->l2_IEListPresent = IEEE154_IELIST_YES;
// send packet
sixtop_send(pkt);
// update state
sixtop_vars.six2six_state = SIX_WAIT_REMOVEREQUEST_SENDDONE;
// arm timeout
opentimers_setPeriod(
sixtop_vars.timeoutTimerId,
TIME_MS,
SIX2SIX_TIMEOUT_MS
);
opentimers_restart(sixtop_vars.timeoutTimerId);
}