otError Joiner::Start(const char * aPSKd,
const char * aProvisioningUrl,
const char * aVendorName,
const char * aVendorModel,
const char * aVendorSwVersion,
const char * aVendorData,
otJoinerCallback aCallback,
void * aContext)
{
ThreadNetif & netif = GetNetif();
otError error;
Mac::ExtAddress joinerId;
Crc16 ccitt(Crc16::kCcitt);
Crc16 ansi(Crc16::kAnsi);
VerifyOrExit(mState == OT_JOINER_STATE_IDLE, error = OT_ERROR_BUSY);
GetNotifier().Signal(OT_CHANGED_JOINER_STATE);
// use extended address based on factory-assigned IEEE EUI-64
GetJoinerId(joinerId);
netif.GetMac().SetExtAddress(joinerId);
netif.GetMle().UpdateLinkLocalAddress();
for (size_t i = 0; i < sizeof(joinerId); i++)
{
ccitt.Update(joinerId.m8[i]);
ansi.Update(joinerId.m8[i]);
}
mCcitt = ccitt.Get();
mAnsi = ansi.Get();
error = netif.GetCoapSecure().Start(OPENTHREAD_CONFIG_JOINER_UDP_PORT);
SuccessOrExit(error);
error = netif.GetCoapSecure().SetPsk(reinterpret_cast<const uint8_t *>(aPSKd), static_cast<uint8_t>(strlen(aPSKd)));
SuccessOrExit(error);
error = netif.GetCoapSecure().GetDtls().mProvisioningUrl.SetProvisioningUrl(aProvisioningUrl);
SuccessOrExit(error);
memset(mJoinerRouters, 0, sizeof(mJoinerRouters));
SuccessOrExit(error =
netif.GetMle().Discover(0, netif.GetMac().GetPanId(), true, false, HandleDiscoverResult, this));
mVendorName = aVendorName;
mVendorModel = aVendorModel;
mVendorSwVersion = aVendorSwVersion;
mVendorData = aVendorData;
mCallback = aCallback;
mContext = aContext;
mState = OT_JOINER_STATE_DISCOVER;
exit:
return error;
}
void SteeringDataTlv::ComputeBloomFilter(const otExtAddress &aJoinerId)
{
Crc16 ccitt(Crc16::kCcitt);
Crc16 ansi(Crc16::kAnsi);
for (size_t j = 0; j < sizeof(otExtAddress); j++)
{
uint8_t byte = aJoinerId.m8[j];
ccitt.Update(byte);
ansi.Update(byte);
}
SetBit(ccitt.Get() % GetNumBits());
SetBit(ansi.Get() % GetNumBits());
}
u16 calculacrc(FILE *fp)
{
BYTE buf[BUF_SZ];
size_t nbytes;
u16 crc=0xFFFF;
rewind(fp);
while (!feof(fp))
{
nbytes=fread(buf, 1, BUF_SZ, fp);
if (ferror(fp))
{
perror("fread: calculacrc()");
exit(1);
}
crc=ccitt(crc, nbytes, buf);
}
return crc;
}
