ThreadError Local::UpdateRloc(PrefixTlv &aPrefix) { for (NetworkDataTlv *cur = reinterpret_cast<NetworkDataTlv *>(aPrefix.GetSubTlvs()); cur < reinterpret_cast<NetworkDataTlv *>(aPrefix.GetSubTlvs() + aPrefix.GetSubTlvsLength()); cur = cur->GetNext()) { switch (cur->GetType()) { case NetworkDataTlv::kTypeHasRoute: UpdateRloc(*reinterpret_cast<HasRouteTlv *>(cur)); break; case NetworkDataTlv::kTypeBorderRouter: UpdateRloc(*reinterpret_cast<BorderRouterTlv *>(cur)); break; default: assert(false); break; } } return kThreadError_None; }
void NetworkData::RemoveTemporaryData(uint8_t *aData, uint8_t &aDataLength) { NetworkDataTlv *cur = reinterpret_cast<NetworkDataTlv *>(aData); NetworkDataTlv *end; PrefixTlv *prefix; uint8_t length; uint8_t *dst; uint8_t *src; while (1) { end = reinterpret_cast<NetworkDataTlv *>(aData + aDataLength); if (cur >= end) { break; } switch (cur->GetType()) { case NetworkDataTlv::kTypePrefix: { prefix = reinterpret_cast<PrefixTlv *>(cur); RemoveTemporaryData(aData, aDataLength, *prefix); if (prefix->GetSubTlvsLength() == 0) { length = sizeof(NetworkDataTlv) + cur->GetLength(); dst = reinterpret_cast<uint8_t *>(cur); src = reinterpret_cast<uint8_t *>(cur->GetNext()); memmove(dst, src, aDataLength - (src - aData)); aDataLength -= length; continue; } otDumpDebgNetData("remove prefix done", mTlvs, mLength); break; } default: { // remove temporary tlv if (!cur->IsStable()) { length = sizeof(NetworkDataTlv) + cur->GetLength(); dst = reinterpret_cast<uint8_t *>(cur); src = reinterpret_cast<uint8_t *>(cur->GetNext()); memmove(dst, src, aDataLength - (src - aData)); aDataLength -= length; continue; } break; } } cur = cur->GetNext(); } otDumpDebgNetData("remove done", aData, aDataLength); }
void NetworkData::RemoveTemporaryData(uint8_t *aData, uint8_t &aDataLength, PrefixTlv &aPrefix) { NetworkDataTlv *cur = reinterpret_cast<NetworkDataTlv *>(aPrefix.GetSubTlvs()); NetworkDataTlv *end; BorderRouterTlv *borderRouter; HasRouteTlv *hasRoute; ContextTlv *context; BorderRouterEntry *borderRouterEntry; HasRouteEntry *hasRouteEntry; uint8_t length; uint8_t contextId; uint8_t *dst; uint8_t *src; while (1) { end = reinterpret_cast<NetworkDataTlv *>(aPrefix.GetSubTlvs() + aPrefix.GetSubTlvsLength()); if (cur >= end) { break; } if (cur->IsStable()) { switch (cur->GetType()) { case NetworkDataTlv::kTypeBorderRouter: { borderRouter = FindBorderRouter(aPrefix); if ((context = FindContext(aPrefix)) == NULL) { break; } contextId = context->GetContextId(); // replace p_border_router_16 for (int i = 0; i < borderRouter->GetNumEntries(); i++) { borderRouterEntry = borderRouter->GetEntry(i); if (borderRouterEntry->IsDhcp() || borderRouterEntry->IsConfigure()) { borderRouterEntry->SetRloc(0xfc00 | contextId); } else { borderRouterEntry->SetRloc(0xfffe); } } break; } case NetworkDataTlv::kTypeHasRoute: { hasRoute = FindHasRoute(aPrefix); // replace r_border_router_16 for (int j = 0; j < hasRoute->GetNumEntries(); j++) { hasRouteEntry = hasRoute->GetEntry(j); hasRouteEntry->SetRloc(0xfffe); } break; } default: { break; } } // keep stable tlv cur = cur->GetNext(); } else { // remove temporary tlv length = sizeof(NetworkDataTlv) + cur->GetLength(); dst = reinterpret_cast<uint8_t *>(cur); src = reinterpret_cast<uint8_t *>(cur->GetNext()); memmove(dst, src, aDataLength - (src - aData)); aPrefix.SetSubTlvsLength(aPrefix.GetSubTlvsLength() - length); aDataLength -= length; } } }