void printDriverDataDispatcherList(OutputStream* outputStream, DriverDataDispatcherList* dispatcherList) { int i; for (i = 0; i < dispatcherList->size; i++) { DriverDataDispatcher* dispatcher = getDriverDataDispatcherByIndex(i); printDriverDataDispatcher(outputStream, dispatcher); } }
DriverDataDispatcher* addDriverDataDispatcher( TransmitMode transmitMode, const char* name, const char* addressString, int address, InputStream* inputStream, OutputStream* outputStream, driverDataDispatcherTransmitDataFunction* driverDataDispatcherTransmitData) { if (dispatcherList.dispatchers == NULL) { writeError(DISPATCHERS_LIST_NOT_INITIALIZED); return NULL; } unsigned char size = dispatcherList.size; if (size < dispatcherList.maxSize) { DriverDataDispatcher* result = getDriverDataDispatcherByIndex(size); result->transmitMode = transmitMode; result->name = name; result->addressString = addressString; result->address = address; result->inputStream = inputStream; result->outputStream = outputStream; result->driverDataDispatcherTransmitData = driverDataDispatcherTransmitData; dispatcherList.size++; return result; } else { writeError(TOO_MUCH_DRIVER_DATA_DISPATCHER); return NULL; } }
DriverDataDispatcher* getDriverDataDispatcherByTransmitMode(TransmitMode transmitMode, int address) { int size = dispatcherList.size; int i; for (i = 0; i < size; i++) { DriverDataDispatcher* dispatcher = getDriverDataDispatcherByIndex(i); if (dispatcher->transmitMode == transmitMode && dispatcher->address == address) { return dispatcher; } } return NULL; }
bool handleNotificationFromDispatcherList(TransmitMode transmitMode, int address) { int size = dispatcherList.size; int i; for (i = 0; i < size; i++) { DriverDataDispatcher* dispatcher = getDriverDataDispatcherByIndex(i); if (dispatcher->transmitMode != transmitMode) { continue; } if (dispatcher->address != address) { continue; } if (handleNotificationFromDispatcher(dispatcher)) { return true; } } return false; }
void test_initDriverDataDispatcherList_add_too_much_dispatchers(void) { init_driverDataDispatcherList(); TEST_ASSERT_FALSE(isThereAnyError()); TEST_ASSERT_EQUAL(0, getDriverDataDispatcherCount()); // Add a first dispatcher DriverDataDispatcher* dispacher = addLocalDriverDataDispatcher(); TEST_ASSERT_FALSE(isThereAnyError()); TEST_ASSERT_EQUAL(1, getDriverDataDispatcherCount()); // TEST_ASSERT_EQUAL(dispacher, getDriverDataDispatcherByIndex(0)); // Add a second dispatcher dispacher = addLocalDriverDataDispatcher(); TEST_ASSERT_FALSE(isThereAnyError()); TEST_ASSERT_EQUAL(2, getDriverDataDispatcherCount()); TEST_ASSERT_EQUAL(dispacher, getDriverDataDispatcherByIndex(1)); dispacher = addLocalDriverDataDispatcher(); TEST_ASSERT_EQUAL(TOO_MUCH_DRIVER_DATA_DISPATCHER, getLastError()); }
bool handleStreamInstruction(Buffer* inputBuffer, Buffer* outputBuffer, OutputStream* outputStream, filterCharFunction* inputFilterChar, filterCharFunction* outputFilterChar) { if (inputBuffer == NULL) { writeError(DRIVER_STREAM_LISTENER_INPUT_BUFFER_NULL); return false; } if (outputBuffer == NULL) { writeError(DRIVER_STREAM_LISTENER_OUTPUT_BUFFER_NULL); return false; } // Try to clear the buffer if needed ('z' char) if (clearBufferIfNeeded(inputBuffer)) { return false; } // We received data int inputBufferCount = getBufferElementsCount(inputBuffer); if (inputBufferCount > 0) { if (filterFirstNextChar(inputBuffer, inputFilterChar)) { return false; } // As there is clear of char filtering, we must reload the size of the buffer int bufferSize = getBufferElementsCount(inputBuffer); if (bufferSize < DEVICE_HEADER_LENGTH) { return false; } // Get the header unsigned char deviceHeader = bufferGetCharAtIndex(inputBuffer, DEVICE_HEADER_INDEX); // Manage the dispatcher specifier (3 chars : Ex j01 before real command ...) unsigned char specifyDispatcherLength = 0; if (deviceHeader == DATA_DISPATCHER_DEVICE_HEADER) { specifyDispatcherLength += DISPATCHER_COMMAND_AND_INDEX_HEADER_LENGTH; } // Check if enough data if (bufferSize < specifyDispatcherLength + DEVICE_AND_COMMAND_HEADER_LENGTH) { return false; } // Reload the deviceHeader to take the dispatcher specifier if any deviceHeader = bufferGetCharAtIndex(inputBuffer, specifyDispatcherLength + DEVICE_HEADER_INDEX); unsigned char commandHeader = bufferGetCharAtIndex(inputBuffer, specifyDispatcherLength + COMMAND_HEADER_INDEX); // find the device corresponding to this header. It must at least be declared in local or in remote ! unsigned char dataSize = bufferSize - specifyDispatcherLength; const Device* device = deviceDataDispatcherFindDevice(deviceHeader, commandHeader, dataSize, DEVICE_MODE_INPUT); // if the device was not found if (device == NULL) { return false; } // At this moment, device Interface is found DeviceInterface* deviceInterface = device->deviceInterface; // We must send device specifyDispatcherLength + Header + commandHeader + data => + 2 int dataToTransferCount = deviceInterface->deviceGetInterface(commandHeader, DEVICE_MODE_INPUT, false) + specifyDispatcherLength + DEVICE_AND_COMMAND_HEADER_LENGTH; if (bufferSize < dataToTransferCount) { return false; } // We must receive ack + device header + command header + data => + 3 int dataToReceiveCount = deviceInterface->deviceGetInterface(commandHeader, DEVICE_MODE_OUTPUT, false) + ACK_LENGTH + DEVICE_AND_COMMAND_HEADER_LENGTH; InputStream* bufferedInputStream = getInputStream(inputBuffer); OutputStream* bufferedOutputStream = getOutputStream(outputBuffer); TransmitMode transmitMode = device->transmitMode; // we handle locally the request if (specifyDispatcherLength == 0 && transmitMode == TRANSMIT_LOCAL) { // We need the implementation for local mode DeviceDescriptor* deviceDescriptor = device->descriptor; if (deviceDescriptor == NULL) { writeError(NO_DEVICE_DESC_FOUND_FOR); append(getErrorOutputStreamLogger(), deviceHeader); append(getErrorOutputStreamLogger(), commandHeader); return false; } // remove the first chars corresponding to the device header and command Header bufferClearLastChars(inputBuffer, DEVICE_AND_COMMAND_HEADER_LENGTH); // Call to the device deviceDescriptor->deviceHandleRawData(commandHeader, bufferedInputStream, bufferedOutputStream); } // we forward the request through Remote Operation with Dispatcher else if (specifyDispatcherLength > 0 || transmitMode == TRANSMIT_I2C || transmitMode == TRANSMIT_UART || transmitMode == TRANSMIT_ZIGBEE) { // Find dispatcher DriverDataDispatcher* dispatcher = NULL; if (specifyDispatcherLength > 0) { bufferClearLastChars(inputBuffer, DEVICE_HEADER_LENGTH); unsigned char dispatcherIndex = readHex2(bufferedInputStream); dispatcher = getDriverDataDispatcherByIndex(dispatcherIndex); if (dispatcher == NULL) { writeError(NO_DISPATCHER_FOUND); OutputStream* errorOutputStream = getErrorOutputStreamLogger(); appendStringAndDec(errorOutputStream, ", dispatcherIndex=", dispatcherIndex); return false; } } else { TransmitMode transmitMode = device->transmitMode; int address = device->address; dispatcher = getDriverDataDispatcherByTransmitMode(transmitMode, address); if (dispatcher == NULL) { writeError(NO_DISPATCHER_FOUND); OutputStream* errorOutputStream = getErrorOutputStreamLogger(); appendStringAndDec(errorOutputStream, ", transmitMode=", transmitMode); append(errorOutputStream, '('); appendString(errorOutputStream, getTransmitModeAsString(transmitMode)); append(errorOutputStream, ')'); appendStringAndDec(errorOutputStream, ", addr=", address); return false; } } // copy Driver buffer with remote Call dispatcher->driverDataDispatcherTransmitData(dispatcher, inputBuffer, outputBuffer, dataToTransferCount, dataToReceiveCount ); } // In All Cases (Local / I2C / UART / Zigbee ...) // Copy the data from bufferOutputStream to the outputStream if (outputStream != NULL) { copyInputToOutputStream(&(outputBuffer->inputStream), outputStream, outputFilterChar, dataToReceiveCount); } return true; } return false; }