void ChildSupervisor::SendMessage(Child &aChild)
{
Message *message = NULL;
uint8_t childIndex;
VerifyOrExit(aChild.GetIndirectMessageCount() == 0);
message = Get<MessagePool>().New(Message::kTypeSupervision, sizeof(uint8_t));
VerifyOrExit(message != NULL);
// Supervision message is an empty payload 15.4 data frame.
// The child index is stored here in the message content to allow
// the destination of the message to be later retrieved using
// `ChildSupervisor::GetDestination(message)`.
childIndex = Get<ChildTable>().GetChildIndex(aChild);
SuccessOrExit(message->Append(&childIndex, sizeof(childIndex)));
SuccessOrExit(Get<ThreadNetif>().SendMessage(*message));
message = NULL;
otLogInfoUtil("Sending supervision message to child 0x%04x", aChild.GetRloc16());
exit:
if (message != NULL)
{
message->Free();
}
}
void ChildSupervisor::SendMessage(Child &aChild)
{
ThreadNetif &netif = GetNetif();
Message *message = NULL;
otError error = OT_ERROR_NONE;
uint8_t childIndex;
VerifyOrExit(aChild.GetIndirectMessageCount() == 0);
message = netif.GetInstance().mMessagePool.New(Message::kTypeSupervision, sizeof(uint8_t));
VerifyOrExit(message != NULL);
// Supervision message is an empty payload 15.4 data frame.
// The child index is stored here in the message content to allow
// the destination of the message to be later retrieved using
// `ChildSupervisor::GetDestination(message)`.
childIndex = netif.GetMle().GetChildIndex(aChild);
SuccessOrExit(error = message->Append(&childIndex, sizeof(childIndex)));
SuccessOrExit(error = netif.SendMessage(*message));
message = NULL;
otLogInfoMle(GetInstance(), "Sending supervision message to child 0x%04x", aChild.GetRloc16());
exit:
if (message != NULL)
{
message->Free();
}
}
otError SourceMatchController::AddAddress(const Child &aChild)
{
otError error = OT_ERROR_NONE;
if (aChild.IsIndirectSourceMatchShort())
{
error = otPlatRadioAddSrcMatchShortEntry(&GetInstance(), aChild.GetRloc16());
otLogDebgMac(GetInstance(), "SrcAddrMatch - Adding short addr: 0x%04x -- %s (%d)", aChild.GetRloc16(),
otThreadErrorToString(error), error);
}
else
{
otExtAddress addr;
for (uint8_t i = 0; i < sizeof(addr); i++)
{
addr.m8[i] = aChild.GetExtAddress().m8[sizeof(addr) - 1 - i];
}
error = otPlatRadioAddSrcMatchExtEntry(&GetInstance(), &addr);
otLogDebgMac(GetInstance(), "SrcAddrMatch - Adding addr: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x -- %s (%d)",
addr.m8[7], addr.m8[6], addr.m8[5], addr.m8[4], addr.m8[3], addr.m8[2], addr.m8[1], addr.m8[0],
otThreadErrorToString(error), error);
}
return error;
}
void SourceMatchController::ClearEntry(Child &aChild)
{
otError error = OT_ERROR_NONE;
if (aChild.IsIndirectSourceMatchPending())
{
otLogDebgMac(GetInstance(), "SrcAddrMatch - Clearing pending flag for 0x%04x", aChild.GetRloc16());
aChild.SetIndirectSourceMatchPending(false);
ExitNow();
}
if (aChild.IsIndirectSourceMatchShort())
{
error = otPlatRadioClearSrcMatchShortEntry(&GetInstance(), aChild.GetRloc16());
otLogDebgMac(GetInstance(), "SrcAddrMatch - Clearing short address: 0x%04x -- %s (%d)", aChild.GetRloc16(),
otThreadErrorToString(error), error);
}
else
{
otExtAddress addr;
for (uint8_t i = 0; i < sizeof(addr); i++)
{
addr.m8[i] = aChild.GetExtAddress().m8[sizeof(aChild.GetExtAddress()) - 1 - i];
}
error = otPlatRadioClearSrcMatchExtEntry(&GetInstance(), &addr);
otLogDebgMac(GetInstance(), "SrcAddrMatch - Clearing addr: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x -- %s (%d)",
addr.m8[7], addr.m8[6], addr.m8[5], addr.m8[4], addr.m8[3], addr.m8[2], addr.m8[1], addr.m8[0],
otThreadErrorToString(error), error);
}
SuccessOrExit(error);
if (!IsEnabled())
{
SuccessOrExit(AddPendingEntries());
Enable(true);
}
exit:
return;
}
void SourceMatchController::DecrementMessageCount(Child &aChild)
{
if (aChild.GetIndirectMessageCount() == 0)
{
otLogWarnMac(GetInstance(), "DecrementMessageCount(child 0x%04x) called when already at zero count.",
aChild.GetRloc16());
ExitNow();
}
aChild.DecrementIndirectMessageCount();
if (aChild.GetIndirectMessageCount() == 0)
{
ClearEntry(aChild);
}
exit:
return;
}
// Checks whether a `Child` matches the `TestChild` struct.
static bool ChildMatches(const Child &aChild, const TestChild &aTestChild)
{
return (aChild.GetState() == aTestChild.mState) && (aChild.GetRloc16() == aTestChild.mRloc16) &&
(aChild.GetExtAddress() == static_cast<const Mac::ExtAddress &>(aTestChild.mExtAddress));
}