void radioReceive(void) { int rval = recvfrom(sSockFd, &sReceiveMessage, sizeof(sReceiveMessage), 0, NULL, NULL); assert(rval >= 0); sReceiveFrame.mLength = rval - 1; if (sAckWait) { if (isFrameTypeAck(sReceiveFrame.mPsdu)) { uint8_t tx_sequence = getDsn(sTransmitFrame.mPsdu); uint8_t rx_sequence = getDsn(sReceiveFrame.mPsdu); if (tx_sequence == rx_sequence) { sState = kStateReceive; sAckWait = false; otPlatRadioTransmitDone(isFramePending(sReceiveFrame.mPsdu), kThreadError_None); } } } else { if (sReceiveFrame.mChannel == sReceiveMessage.mChannel) { radioProcessFrame(); } } }
void radioSendMessage(void) { sTransmitMessage.mChannel = sTransmitFrame.mChannel; radioTransmit(&sTransmitMessage, &sTransmitFrame); sAckWait = isAckRequested(sTransmitFrame.mPsdu); if (!sAckWait) { sState = kStateReceive; otPlatRadioTransmitDone(false, kThreadError_None); } }
void TestFuzz(uint32_t aSeconds) { // Set the radio capabilities to disable any Mac related timer dependencies g_testPlatRadioCaps = (otRadioCaps)(kRadioCapsAckTimeout | kRadioCapsTransmitRetries); // Set the platform function pointers g_TransmitRadioPacket.mPsdu = g_TransmitPsdu; g_testPlatRadioIsEnabled = testFuzzRadioIsEnabled; g_testPlatRadioEnable = testFuzzRadioEnable; g_testPlatRadioDisable = testFuzzRadioDisable; g_testPlatRadioReceive = testFuzzRadioReceive; g_testPlatRadioTransmit = testFuzzRadioTransmit; g_testPlatRadioGetTransmitBuffer = testFuzztRadioGetTransmitBuffer; // Initialize our timing variables uint32_t tStart = otPlatAlarmGetNow(); uint32_t tEnd = tStart + (aSeconds * 1000); otInstance *aInstance; #ifdef _WIN32 uint32_t seed = (uint32_t)time(NULL); srand(seed); Log("Initialized seed = 0x%X", seed); #endif #ifdef OPENTHREAD_MULTIPLE_INSTANCE size_t otInstanceBufferLength = 0; uint8_t *otInstanceBuffer = NULL; // Call to query the buffer size (void)otInstanceInit(NULL, &otInstanceBufferLength); // Call to allocate the buffer otInstanceBuffer = (uint8_t *)malloc(otInstanceBufferLength); VerifyOrQuit(otInstanceBuffer != NULL, "Failed to allocate otInstance"); memset(otInstanceBuffer, 0, otInstanceBufferLength); // Initialize Openthread with the buffer aInstance = otInstanceInit(otInstanceBuffer, &otInstanceBufferLength); #else aInstance = otInstanceInit(); #endif VerifyOrQuit(aInstance != NULL, "Failed to initialize otInstance"); // Start the Thread network otSetPanId(aInstance, (otPanId)0xFACE); otInterfaceUp(aInstance); otThreadStart(aInstance); uint32_t countRecv = 0; while (otPlatAlarmGetNow() < tEnd) { otProcessQueuedTasklets(aInstance); if (g_testPlatAlarmSet && otPlatAlarmGetNow() >= g_testPlatAlarmNext) { g_testPlatAlarmSet = false; otPlatAlarmFired(aInstance); } if (g_fRadioEnabled) { if (g_fTransmit) { g_fTransmit = false; otPlatRadioTransmitDone(aInstance, &g_TransmitRadioPacket, true, kThreadError_None); #ifdef DBG_FUZZ Log("<== transmit"); #endif } if (g_RecvChannel != 0) { uint8_t fuzzRecvBuff[128]; RadioPacket fuzzPacket; // Initialize the radio packet with a random length memset(&fuzzPacket, 0, sizeof(fuzzPacket)); fuzzPacket.mPsdu = fuzzRecvBuff; fuzzPacket.mChannel = g_RecvChannel; fuzzPacket.mLength = (uint8_t)(otPlatRandomGet() % 127); // Populate the length with random for (uint8_t i = 0; i < fuzzPacket.mLength; i++) { fuzzRecvBuff[i] = (uint8_t)otPlatRandomGet(); } // Clear the global flag g_RecvChannel = 0; // Indicate the receive complete otPlatRadioReceiveDone(aInstance, &fuzzPacket, kThreadError_None); countRecv++; #ifdef DBG_FUZZ Log("<== receive (%llu, %u bytes)", countRecv, fuzzPacket.mLength); #endif // Hack to get a receive poll immediately otSetChannel(aInstance, 11); } } } Log("%u packets received", countRecv); // Clean up the instance otInstanceFinalize(aInstance); #ifdef OPENTHREAD_MULTIPLE_INSTANCE free(otInstanceBuffer); #endif }