/* * testCodec.cpp */ #ifdef _WIN32 #define NOMINMAX #endif #include #include #include #include #include #include using namespace epics::pvData; using namespace epics::pvAccess::detail; namespace epics { namespace pvAccess { class PVAMessage { public: PVAMessage(int8_t version, int8_t flags, int8_t command, int32_t payloadSize) { _version = version; _flags = flags; _command = command; _payloadSize = payloadSize; } int8_t _version; int8_t _flags; int8_t _command; int32_t _payloadSize; std::tr1::shared_ptr _payload; //memberwise copy constructor/assigment operator //provided by the compiler }; class ReadPollOneCallback { public: virtual void readPollOne() = 0; }; class WritePollOneCallback { public: virtual void writePollOne() = 0 ; }; class TestCodec: public AbstractCodec { public: TestCodec( std::size_t receiveBufferSize, std::size_t sendBufferSize, bool blocking = false): AbstractCodec( false, std::tr1::shared_ptr(new ByteBuffer(receiveBufferSize)), std::tr1::shared_ptr(new ByteBuffer(sendBufferSize)), sendBufferSize/10, blocking), _closedCount(0), _invalidDataStreamCount(0), _scheduleSendCount(0), _sendCompletedCount(0), _sendBufferFullCount(0), _readPollOneCount(0), _writePollOneCount(0), _throwExceptionOnSend(false), _readPayload(false), _disconnected(false), _forcePayloadRead(-1), _readBuffer(new ByteBuffer(receiveBufferSize)), _writeBuffer(sendBufferSize), _dummyAddress() { } void reset() { _closedCount = 0; _invalidDataStreamCount = 0; _scheduleSendCount = 0; _sendCompletedCount = 0; _sendBufferFullCount = 0; _readPollOneCount = 0; _writePollOneCount = 0; _readBuffer->clear(); _writeBuffer.clear(); _receivedAppMessages.clear(); _receivedControlMessages.clear(); } int read(ByteBuffer *buffer) { if (_disconnected) return -1; std::size_t startPos = _readBuffer->getPosition(); //buffer.put(readBuffer); //while (buffer.hasRemaining() && readBuffer.hasRemaining()) // buffer.put(readBuffer.get()); std::size_t bufferRemaining = buffer->getRemaining(); std::size_t readBufferRemaining = _readBuffer->getRemaining(); if (bufferRemaining >= readBufferRemaining) { while(_readBuffer->getRemaining() > 0) { buffer->putByte(_readBuffer->getByte()); } } else { // TODO this could be optimized for (std::size_t i = 0; i < bufferRemaining; i++) { buffer->putByte(_readBuffer->getByte()); } } return _readBuffer->getPosition() - startPos; } int write(ByteBuffer *buffer) { if (_disconnected) return -1; // TODO: not by the JavaDoc API spec if (_throwExceptionOnSend) throw io_exception("text IO exception"); // we could write remaining int8_ts, but for //test this is enought if (buffer->getRemaining() > _writeBuffer.getRemaining()) return 0; std::size_t startPos = buffer->getPosition(); while(buffer->getRemaining() > 0) { _writeBuffer.putByte(buffer->getByte()); } return buffer->getPosition() - startPos; } void transferToReadBuffer() { flushSerializeBuffer(); _writeBuffer.flip(); _readBuffer->clear(); while(_writeBuffer.getRemaining() > 0) { _readBuffer->putByte(_writeBuffer.getByte()); } _readBuffer->flip(); _writeBuffer.clear(); } void addToReadBuffer() { flushSerializeBuffer(); _writeBuffer.flip(); while(_writeBuffer.getRemaining() > 0) { _readBuffer->putByte(_writeBuffer.getByte()); } _readBuffer->flip(); _writeBuffer.clear(); } void processControlMessage() { // alignment check if (_socketBuffer->getPosition() % PVA_ALIGNMENT != 0) throw std::logic_error("message not aligned"); _receivedControlMessages.push_back( PVAMessage(_version, _flags, _command, _payloadSize)); } void processApplicationMessage() { // alignment check if (_socketBuffer->getPosition() % PVA_ALIGNMENT != 0) throw std::logic_error("message not aligned"); PVAMessage caMessage(_version, _flags, _command, _payloadSize); if (_readPayload && _payloadSize > 0) { // no fragmentation supported by this implementation std::size_t toRead = _forcePayloadRead >= 0 ? _forcePayloadRead : _payloadSize; caMessage._payload.reset(new ByteBuffer(toRead)); while (toRead > 0) { std::size_t partitalRead = std::min(toRead, MAX_ENSURE_DATA_SIZE); ensureData(partitalRead); std::size_t pos = caMessage._payload->getPosition(); while(_socketBuffer->getRemaining() > 0) { caMessage._payload->putByte(_socketBuffer->getByte()); } std::size_t read = caMessage._payload->getPosition() - pos; toRead -= read; } } _receivedAppMessages.push_back(caMessage); } void readPollOne() { _readPollOneCount++; if (_readPollOneCallback.get() != 0) _readPollOneCallback->readPollOne(); } void writePollOne() { _writePollOneCount++; if (_writePollOneCallback.get() != 0) _writePollOneCallback->writePollOne(); } void endBlockedProcessSendQueue() { //TODO not thread safe _blockingProcessQueue = false; _sendQueue.wakeup(); } void close() { _closedCount++; } bool isOpen() { return _closedCount == 0; } ReadMode getReadMode() { return _readMode; } WriteMode getWriteMode() { return _writeMode;} std::tr1::shared_ptr getSendBuffer() { return _sendBuffer; } const osiSockAddr* getLastReadBufferSocketAddress() { return &_dummyAddress; } void invalidDataStreamHandler() { _invalidDataStreamCount++; } void scheduleSend() { _scheduleSendCount++; } void sendCompleted() { _sendCompletedCount++; } bool terminated() { return false; } void cachedSerialize( const std::tr1::shared_ptr& field, ByteBuffer* buffer) {field->serialize(buffer, this); } bool acquire( std::tr1::shared_ptr const & client) { return false; } bool directSerialize( ByteBuffer *existingBuffer, const char* toSerialize, std::size_t elementCount, std::size_t elementSize) {return false; } bool directDeserialize( ByteBuffer *existingBuffer, char* deserializeTo, std::size_t elementCount, std::size_t elementSize) { return false; } std::tr1::shared_ptr cachedDeserialize(ByteBuffer* buffer) { return std::tr1::shared_ptr(); } void release(pvAccessID clientId) {} std::string getType() const { return std::string("TCP"); } const osiSockAddr* getRemoteAddress() const { return 0; } epics::pvData::int8 getRevision() const { return PVA_PROTOCOL_REVISION; } std::size_t getReceiveBufferSize() const { return 16384; } epics::pvData::int16 getPriority() const { return 0; } std::size_t getSocketReceiveBufferSize() const { return 16384; } void setRemoteRevision(epics::pvData::int8 revision) {} void setRemoteTransportSocketReceiveBufferSize( std::size_t socketReceiveBufferSize) {} void setRemoteTransportReceiveBufferSize( std::size_t remoteTransportReceiveBufferSize) {} void changedTransport() {} void flushSendQueue() { }; bool verify(epics::pvData::int32 timeoutMs) { return true;} void verified(epics::pvData::Status const &) {} void aliveNotification() {} void authNZMessage(epics::pvData::PVField::shared_pointer const & data) {} void authNZInitialize(void*) {} virtual std::tr1::shared_ptr getSecuritySession() const { return std::tr1::shared_ptr(); } bool isClosed() { return false; } std::size_t _closedCount; std::size_t _invalidDataStreamCount; std::size_t _scheduleSendCount; std::size_t _sendCompletedCount; std::size_t _sendBufferFullCount; std::size_t _readPollOneCount; std::size_t _writePollOneCount; bool _throwExceptionOnSend; bool _readPayload; bool _disconnected; int _forcePayloadRead; std::auto_ptr _readBuffer; epics::pvData::ByteBuffer _writeBuffer; std::vector _receivedAppMessages; std::vector _receivedControlMessages; std::auto_ptr _readPollOneCallback; std::auto_ptr _writePollOneCallback; osiSockAddr _dummyAddress; protected: void sendBufferFull(int tries) { _sendBufferFullCount++; _writeOpReady = false; _writeMode = WAIT_FOR_READY_SIGNAL; this->writePollOne(); _writeMode = PROCESS_SEND_QUEUE; } }; class CodecTest { public: int runAllTest() { testPlan(5882); testHeaderProcess(); testInvalidHeaderMagic(); testInvalidHeaderSegmentedInNormal(); testInvalidHeaderPayloadNotRead(); testHeaderSplitRead(); testNonEmptyPayload(); testNormalAlignment(); testSplitAlignment(); testSegmentedMessage(); //testSegmentedInvalidInBetweenFlagsMessage(); testSegmentedMessageAlignment(); testSegmentedSplitMessage(); testStartMessage(); testStartMessageNonEmptyPayload(); testStartMessageNormalAlignment(); testStartMessageSegmentedMessage(); testStartMessageSegmentedMessageAlignment(); testReadNormalConnectionLoss(); testSegmentedSplitConnectionLoss(); testSendConnectionLoss(); testEnqueueSendRequest(); testEnqueueSendDirectRequest(); testSendException(); testSendHugeMessagePartes(); testRecipient(); testClearSendQueue(); testInvalidArguments(); testDefaultModes(); testEnqueueSendRequestExceptionThrown(); testBlockingProcessQueueTest(); return testDone(); } virtual ~CodecTest() {} protected: static const std::size_t DEFAULT_BUFFER_SIZE = 10240; private: void testHeaderProcess() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x01); codec._readBuffer->put((int8_t)0x23); codec._readBuffer->putInt(0x456789AB); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); PVAMessage header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(header._flags == 0x01, "%s: header._flags == 0x01", CURRENT_FUNCTION); testOk(header._command == 0x23, "%s: header._command == 0x23", CURRENT_FUNCTION); testOk(header._payloadSize == 0x456789AB, "%s: header._payloadSize == 0x456789AB", CURRENT_FUNCTION); codec.reset(); // two at the time, app and control codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x00); codec._readBuffer->put((int8_t)0x20); codec._readBuffer->putInt(0x00000000); codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x81); codec._readBuffer->put((int8_t)0xEE); codec._readBuffer->putInt(0xDDCCBBAA); codec._readBuffer->flip(); codec.processRead(); testOk(0 == codec._invalidDataStreamCount, "%s: 0 == codec._invalidDataStreamCount", CURRENT_FUNCTION); testOk(0 == codec._closedCount, "%s: 0 == codec._closedCount", CURRENT_FUNCTION); testOk(1 == codec._receivedControlMessages.size(), "%s: 1 == codec._receivedControlMessages.size()", CURRENT_FUNCTION); testOk(1 == codec._receivedAppMessages.size(), "%s: 1 == codec._receivedAppMessages.size()", CURRENT_FUNCTION); // app, no payload header = codec._receivedAppMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)0x00, "%s: header._flags == 0x00", CURRENT_FUNCTION); testOk(header._command == (int8_t)0x20, "%s: header._command == 0x20", CURRENT_FUNCTION); testOk(header._payloadSize == 0x00000000, "%s: header._payloadSize == 0x00000000", CURRENT_FUNCTION); // control header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)0x81, "%s: header._flags == 0x81", CURRENT_FUNCTION); testOk(header._command == (int8_t)0xEE, "%s: header._command == 0xEE", CURRENT_FUNCTION); testOk(header._payloadSize == (int32_t)0xDDCCBBAA, "%s: header._payloadSize == 0xDDCCBBAA", CURRENT_FUNCTION); } void testInvalidHeaderMagic() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readBuffer->put((int8_t)00); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x01); codec._readBuffer->put((int8_t)0x23); codec._readBuffer->putInt(0x456789AB); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 1, "%s: codec._invalidDataStreamCount == 1", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); } void testInvalidHeaderSegmentedInNormal() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); int8_t invalidFlagsValues[] = {(int8_t)0x20, (int8_t)(0x30+0x80)}; std::size_t size=sizeof(invalidFlagsValues)/sizeof(int8_t); for (std::size_t i = 0; i < size; i++) { TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put(invalidFlagsValues[i]); codec._readBuffer->put((int8_t)0x23); //codec._readBuffer->putInt(0); codec._readBuffer->putInt(i); // to check zero-payload codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == (i != 0 ? 1 : 0), //testOk(codec._invalidDataStreamCount == 1, "%s: codec._invalidDataStreamCount == 1", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); } } void testInvalidHeaderPayloadNotRead() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x80); codec._readBuffer->put((int8_t)0x23); codec._readBuffer->putInt(0x456789AB); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 1, "%s: codec._invalidDataStreamCount == 1", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); } void testHeaderSplitRead() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x01); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); codec._readBuffer->clear(); codec._readBuffer->put((int8_t)0x23); codec._readBuffer->putInt(0x456789AB); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); // app, no payload PVAMessage header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)0x01, "%s: header._flags == 0x01", CURRENT_FUNCTION); testOk(header._command == (int8_t)0x23, "%s: header._command == 0x23", CURRENT_FUNCTION); testOk(header._payloadSize == 0x456789AB, "%s: header._payloadSize == 0x456789AB", CURRENT_FUNCTION); } void testNonEmptyPayload() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); // no misalignment codec._readPayload = true; codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x80); codec._readBuffer->put((int8_t)0x23); codec._readBuffer->putInt(PVA_ALIGNMENT); for (int i = 0; i < PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)i); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app, no payload PVAMessage header = codec._receivedAppMessages[0]; testOk(header._payload.get() != 0, "%s: header._payload.get() != 0", CURRENT_FUNCTION); header._payload->flip(); testOk( (std::size_t)PVA_ALIGNMENT == header._payload->getLimit(), "%s: PVA_ALIGNMENT == header._payload->getLimit()", CURRENT_FUNCTION); } void testNormalAlignment() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x80); codec._readBuffer->put((int8_t)0x23); int32_t payloadSize1 = PVA_ALIGNMENT+1; codec._readBuffer->putInt(payloadSize1); for (int32_t i = 0; i < payloadSize1; i++) codec._readBuffer->put((int8_t)i); // align std::size_t aligned = AbstractCodec::alignedValue(payloadSize1, PVA_ALIGNMENT); for (std::size_t i = payloadSize1; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x80); codec._readBuffer->put((int8_t)0x45); int32_t payloadSize2 = 2*PVA_ALIGNMENT-1; codec._readBuffer->putInt(payloadSize2); for (int32_t i = 0; i < payloadSize2; i++) { codec._readBuffer->put((int8_t)i); } aligned = AbstractCodec::alignedValue(payloadSize2, PVA_ALIGNMENT); for (std::size_t i = payloadSize2; i < aligned; i++) { codec._readBuffer->put((int8_t)0xFF); } codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 2, "%s: codec._receivedAppMessages.size() == 2", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payloadSize == payloadSize1, "%s: msg._payloadSize == payloadSize1", CURRENT_FUNCTION); testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSize1 == msg._payload->getLimit(), "%s: payloadSize1, msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } msg = codec._receivedAppMessages[1]; testOk(msg._payloadSize == payloadSize2, "%s: msg._payloadSize == payloadSize2", CURRENT_FUNCTION); testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSize2 == msg._payload->getLimit(), "%s: payloadSize2 == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } } class ReadPollOneCallbackForTestSplitAlignment: public ReadPollOneCallback { public: ReadPollOneCallbackForTestSplitAlignment( TestCodec & codec, int32_t payloadSize1, int32_t payloadSize2): _codec(codec), _payloadSize1(payloadSize1), _payloadSize2(payloadSize2) {} void readPollOne() { if (_codec._readPollOneCount == 1) { _codec._readBuffer->clear(); for (int32_t i = _payloadSize1-2; i < _payloadSize1; i++) { _codec._readBuffer->put((int8_t)i); } // align std::size_t aligned = AbstractCodec::alignedValue( _payloadSize1, PVA_ALIGNMENT); for (std::size_t i = _payloadSize1; i < aligned; i++) _codec._readBuffer->put((int8_t)0xFF); _codec._readBuffer->put(PVA_MAGIC); _codec._readBuffer->put(PVA_VERSION); _codec._readBuffer->put((int8_t)0x80); _codec._readBuffer->put((int8_t)0x45); _codec._readBuffer->putInt(_payloadSize2); for (int32_t i = 0; i < _payloadSize2; i++) { _codec._readBuffer->put((int8_t)i); } _codec._readBuffer->flip(); } else if (_codec._readPollOneCount == 2) { _codec._readBuffer->clear(); std::size_t aligned = AbstractCodec::alignedValue( _payloadSize2, PVA_ALIGNMENT); for (std::size_t i = _payloadSize2; i < aligned; i++) { _codec._readBuffer->put((int8_t)0xFF); } _codec._readBuffer->flip(); } else throw std::logic_error("should not happen"); } private: TestCodec &_codec; int8_t _payloadSize1; int8_t _payloadSize2; }; void testSplitAlignment() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); // "<=" used instead of "==" to suppress compiler warning if (PVA_ALIGNMENT <= 1) return; codec._readPayload = true; codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x80); codec._readBuffer->put((int8_t)0x23); int32_t payloadSize1 = PVA_ALIGNMENT+1; codec._readBuffer->putInt(payloadSize1); for (int32_t i = 0; i < payloadSize1-2; i++) { codec._readBuffer->put((int8_t)i); } int32_t payloadSize2 = 2*PVA_ALIGNMENT-1; std::auto_ptr readPollOneCallback( new ReadPollOneCallbackForTestSplitAlignment (codec, payloadSize1, payloadSize2)); codec._readPollOneCallback = readPollOneCallback; codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 2, "%s: codec._receivedAppMessages.size() == 2", CURRENT_FUNCTION); testOk(codec._readPollOneCount == 2, "%s: codec._readPollOneCount == 2", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payloadSize == payloadSize1, "%s: msg._payloadSize == payloadSize1", CURRENT_FUNCTION); testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk(payloadSize1 = msg._payload->getLimit(), "%s: payloadSize1 = msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } msg = codec._receivedAppMessages[1]; testOk(msg._payloadSize == payloadSize2, "%s: msg._payloadSize == payloadSize2", CURRENT_FUNCTION); testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSize2 == msg._payload->getLimit(), "%s: payloadSize2 == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } } void testSegmentedMessage() { // no misalignment testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; // 1st codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x90); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize1 = PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize1); int32_t c = 0; for (int32_t i = 0; i < payloadSize1; i++) codec._readBuffer->put((int8_t)(c++)); // 2nd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize2 = 2*PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize2); for (int32_t i = 0; i < payloadSize2; i++) codec._readBuffer->put((int8_t)(c++)); // control in between codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x81); codec._readBuffer->put((int8_t)0xEE); codec._readBuffer->putInt(0xDDCCBBAA); // 3rd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize3 = PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize3); for (int32_t i = 0; i < payloadSize3; i++) codec._readBuffer->put((int8_t)(c++)); // 4t (last) codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xA0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize4 = 2*PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize4); for (int32_t i = 0; i < payloadSize4; i++) codec._readBuffer->put((int8_t)(c++)); codec._readBuffer->flip(); int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3+payloadSize4; codec._forcePayloadRead = payloadSizeSum; codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); testOk(codec._readPollOneCount == 0, "%s: codec._readPollOneCount == 0", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk( (std::size_t)payloadSizeSum == msg._payload->getLimit(), "%s: payloadSizeSum == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getint8_t()", CURRENT_FUNCTION); } msg = codec._receivedControlMessages[0]; testOk(msg._version == PVA_VERSION, "%s: msg._version == PVA_VERSION", CURRENT_FUNCTION); testOk(msg._flags == (int8_t)0x81, "%s: msg._flags == 0x81", CURRENT_FUNCTION); testOk(msg._command == (int8_t)0xEE, "%s: msg._command == 0xEE", CURRENT_FUNCTION); testOk(msg._payloadSize == (int32_t)0xDDCCBBAA, "%s: msg._payloadSize == 0xDDCCBBAA", CURRENT_FUNCTION); } void testSegmentedInvalidInBetweenFlagsMessage() { // no misalignment testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; // 1st codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x90); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize1 = PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize1); int32_t c = 0; for (int32_t i = 0; i < payloadSize1; i++) codec._readBuffer->put((int8_t)(c++)); // 2nd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); // invalid flag, should be 0xB0 codec._readBuffer->put((int8_t)0x90); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize2 = 2*PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize2); for (int32_t i = 0; i < payloadSize2; i++) codec._readBuffer->put((int8_t)(c++)); // control in between codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x81); codec._readBuffer->put((int8_t)0xEE); codec._readBuffer->putInt(0xDDCCBBAA); // 3rd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize3 = PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize3); for (int32_t i = 0; i < payloadSize3; i++) codec._readBuffer->put((int8_t)(c++)); // 4t (last) codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xA0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize4 = 2*PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize4); for (int32_t i = 0; i < payloadSize4; i++) codec._readBuffer->put((int8_t)(c++)); codec._readBuffer->flip(); int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3+payloadSize4; codec._forcePayloadRead = payloadSizeSum; try { codec.processRead(); testFail( "%s: invalid_data_stream_exception, but not reported", CURRENT_FUNCTION); } catch(invalid_data_stream_exception &) { testOk(true, "%s: invalid_data_stream_exception reported", CURRENT_FUNCTION); } testOk(codec._invalidDataStreamCount == 1, "%s: codec._invalidDataStreamCount == 1", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); } void testSegmentedMessageAlignment() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; // 1st codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x90); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize1 = PVA_ALIGNMENT+1; codec._readBuffer->putInt(payloadSize1); int32_t c = 0; for (int32_t i = 0; i < payloadSize1; i++) codec._readBuffer->put((int8_t)(c++)); std::size_t aligned = AbstractCodec::alignedValue(payloadSize1, PVA_ALIGNMENT); for (std::size_t i = payloadSize1; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 2nd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize2 = 2*PVA_ALIGNMENT-1; int32_t payloadSize2Real = payloadSize2 + payloadSize1 % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize2Real); // pre-message padding for (int32_t i = 0; i < payloadSize1 % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize2; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize2Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize2Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 3rd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize3 = PVA_ALIGNMENT+2; int32_t payloadSize3Real = payloadSize3 + payloadSize2Real % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize3Real); // pre-message padding required for (int32_t i = 0; i < payloadSize2Real % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize3; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize3Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize3Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 4t (last) codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xA0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize4 = 2*PVA_ALIGNMENT+3; int32_t payloadSize4Real = payloadSize4 + payloadSize3Real % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize4Real); // pre-message padding required for (int32_t i = 0; i < payloadSize3Real % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize4; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize4Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize4Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); codec._readBuffer->flip(); int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3+payloadSize4; codec._forcePayloadRead = payloadSizeSum; codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); testOk(codec._readPollOneCount == 0, "%s: codec._readPollOneCount == 0", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk( (std::size_t)payloadSizeSum == msg._payload->getLimit(), "%s: payloadSizeSum == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } class ReadPollOneCallbackForTestSegmentedSplitMessage: public ReadPollOneCallback { public: ReadPollOneCallbackForTestSegmentedSplitMessage( TestCodec & codec, int32_t realReadBufferEnd): _codec(codec), _realReadBufferEnd(realReadBufferEnd) {} void readPollOne() { if (_codec._readPollOneCount == 1) { _codec._readBuffer->setLimit(_realReadBufferEnd); } else throw std::logic_error("should not happen"); } private: TestCodec &_codec; std::size_t _realReadBufferEnd; }; void testSegmentedSplitMessage() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); for (int32_t firstMessagePayloadSize = 1; // cannot be zero firstMessagePayloadSize <= 3*PVA_ALIGNMENT; firstMessagePayloadSize++) { for (int32_t secondMessagePayloadSize = 0; secondMessagePayloadSize <= 2*PVA_ALIGNMENT; secondMessagePayloadSize++) { // cannot be zero for (int32_t thirdMessagePayloadSize = 1; thirdMessagePayloadSize <= 2*PVA_ALIGNMENT; thirdMessagePayloadSize++) { std::size_t splitAt = 1; while (true) { TestCodec codec(DEFAULT_BUFFER_SIZE, DEFAULT_BUFFER_SIZE); codec._readPayload = true; // 1st codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x90); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize1 = firstMessagePayloadSize; codec._readBuffer->putInt(payloadSize1); int32_t c = 0; for (int32_t i = 0; i < payloadSize1; i++) codec._readBuffer->put((int8_t)(c++)); std::size_t aligned = AbstractCodec::alignedValue( payloadSize1, PVA_ALIGNMENT); for (std::size_t i = payloadSize1; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 2nd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize2 = secondMessagePayloadSize; int payloadSize2Real = payloadSize2 + payloadSize1 % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize2Real); // pre-message padding for (int32_t i = 0; i < payloadSize1 % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize2; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize2Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize2Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 3rd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xA0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize3 = thirdMessagePayloadSize; int32_t payloadSize3Real = payloadSize3 + payloadSize2Real % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize3Real); // pre-message padding required for (int32_t i = 0; i < payloadSize2Real % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize3; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize3Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize3Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); codec._readBuffer->flip(); std::size_t realReadBufferEnd = codec._readBuffer->getLimit(); if (splitAt++ == realReadBufferEnd) break; codec._readBuffer->setLimit(splitAt); std::auto_ptr readPollOneCallback( new ReadPollOneCallbackForTestSegmentedSplitMessage (codec, realReadBufferEnd)); codec._readPollOneCallback = readPollOneCallback; int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3; codec._forcePayloadRead = payloadSizeSum; codec.processRead(); while (codec._invalidDataStreamCount == 0 && codec._readBuffer->getPosition() != realReadBufferEnd) { codec._readPollOneCount++; codec._readPollOneCallback->readPollOne(); codec.processRead(); } testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); if (splitAt == realReadBufferEnd) { testOk(0 == codec._readPollOneCount, "%s: 0 == codec._readPollOneCount", CURRENT_FUNCTION); } else { testOk(1 == codec._readPollOneCount, "%s: 1 == codec._readPollOneCount", CURRENT_FUNCTION); } PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSizeSum == msg._payload->getLimit(), "%s: payloadSizeSum == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } } } } } } void testStartMessage() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec.putControlMessage((int8_t)0x23, 0x456789AB); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); PVAMessage header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x01), "%s: header._flags == 0x(0|8)1", CURRENT_FUNCTION); testOk(header._command == (int8_t)0x23, "%s: header._command == 0x23", CURRENT_FUNCTION); testOk(header._payloadSize == 0x456789AB, "%s: header._payloadSize == 0x456789AB", CURRENT_FUNCTION); codec.reset(); // two at the time, app and control codec.setByteOrder(EPICS_ENDIAN_LITTLE); codec.startMessage((int8_t)0x20, 0x00000000); codec.endMessage(); codec.setByteOrder(EPICS_ENDIAN_BIG); codec.putControlMessage((int8_t)0xEE, 0xDDCCBBAA); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app, no payload header = codec._receivedAppMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)0x00, "%s: header._flags == 0x00", CURRENT_FUNCTION); testOk(header._command == (int8_t)0x20, "%s: header._command == 0x20", CURRENT_FUNCTION); testOk(header._payloadSize == 0x00000000, "%s: header._payloadSize == 0x00000000", CURRENT_FUNCTION); // control header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)0x81, "%s: header._flags == 0x81", CURRENT_FUNCTION); testOk(header._command == (int8_t)0xEE, "%s: header._command == 0xEE", CURRENT_FUNCTION); testOk(header._payloadSize == (int32_t)0xDDCCBBAA, "%s: header._payloadSize == 0xDDCCBBAA", CURRENT_FUNCTION); } void testStartMessageNonEmptyPayload() { // no misalignment testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec.startMessage((int8_t)0x23, 0); codec.ensureBuffer((std::size_t)PVA_ALIGNMENT); for (int32_t i = 0; i < PVA_ALIGNMENT; i++) codec.getSendBuffer()->put((int8_t)i); codec.endMessage(); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app, no payload PVAMessage header = codec._receivedAppMessages[0]; testOk(header._payload.get() != 0, "%s: header._payload.get() != 0", CURRENT_FUNCTION); header._payload->flip(); testOk((std::size_t)PVA_ALIGNMENT == header._payload->getLimit(), "%s: PVA_ALIGNMENT == header._payload->getLimit()", CURRENT_FUNCTION); } void testStartMessageNormalAlignment() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec.startMessage((int8_t)0x23, 0); int32_t payloadSize1 = PVA_ALIGNMENT+1; codec.ensureBuffer(payloadSize1); for (int32_t i = 0; i < payloadSize1; i++) codec.getSendBuffer()->put((int8_t)i); codec.endMessage(); codec.startMessage((int8_t)0x45, 0); int32_t payloadSize2 = 2*PVA_ALIGNMENT-1; codec.ensureBuffer(payloadSize2); for (int32_t i = 0; i < payloadSize2; i++) codec.getSendBuffer()->put((int8_t)i); codec.endMessage(); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 2, "%s: codec._receivedAppMessages.size() == 2", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payloadSize == payloadSize1, "%s: msg._payloadSize == payloadSize1", CURRENT_FUNCTION); testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSize1 == msg._payload->getLimit(), "%s: payloadSize1 == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); msg = codec._receivedAppMessages[1]; testOk(msg._payloadSize == payloadSize2, "%s: msg._payloadSize == payloadSize2", CURRENT_FUNCTION); testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSize2 == msg._payload->getLimit(), "%s: payloadSize2 == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } void testStartMessageSegmentedMessage() { // no misalignment testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec.startMessage((int8_t)0x01, 0); int32_t c = 0; int32_t payloadSize1 = PVA_ALIGNMENT; for (int32_t i = 0; i < payloadSize1; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.flush(false); int32_t payloadSize2 = 2*PVA_ALIGNMENT; for (int32_t i = 0; i < payloadSize2; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.flush(false); int32_t payloadSize3 = PVA_ALIGNMENT; for (int32_t i = 0; i < payloadSize3; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.flush(false); int32_t payloadSize4 = 2*PVA_ALIGNMENT; for (int32_t i = 0; i < payloadSize4; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.endMessage(); codec.transferToReadBuffer(); int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3+payloadSize4; codec._forcePayloadRead = payloadSizeSum; codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); testOk(codec._readPollOneCount == 0, "%s: codec._readPollOneCount == 0", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSizeSum == msg._payload->getLimit(), "%s: payloadSizeSum == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) testOk((int8_t)i == msg._payload->getByte(), "%s: (int8_t)i == msg._payload->getByte()", CURRENT_FUNCTION); } void testStartMessageSegmentedMessageAlignment() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); for (int32_t firstMessagePayloadSize = 1; // cannot be zero firstMessagePayloadSize <= 3*PVA_ALIGNMENT; firstMessagePayloadSize++) { for (int32_t secondMessagePayloadSize = 0; secondMessagePayloadSize <= 2*PVA_ALIGNMENT; secondMessagePayloadSize++) { // cannot be zero for (int32_t thirdMessagePayloadSize = 1; thirdMessagePayloadSize <= 2*PVA_ALIGNMENT; thirdMessagePayloadSize++) { // cannot be zero for (int32_t fourthMessagePayloadSize = 1; fourthMessagePayloadSize <= 2*PVA_ALIGNMENT; fourthMessagePayloadSize++) { TestCodec codec(DEFAULT_BUFFER_SIZE, DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec.startMessage((int8_t)0x01, 0); int32_t c = 0; int32_t payloadSize1 = firstMessagePayloadSize; for (int32_t i = 0; i < payloadSize1; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.flush(false); int32_t payloadSize2 = secondMessagePayloadSize; for (int32_t i = 0; i < payloadSize2; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.flush(false); int32_t payloadSize3 = thirdMessagePayloadSize; for (int32_t i = 0; i < payloadSize3; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.flush(false); int32_t payloadSize4 = fourthMessagePayloadSize; for (int32_t i = 0; i < payloadSize4; i++) codec.getSendBuffer()->put((int8_t)(c++)); codec.endMessage(); codec.transferToReadBuffer(); int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3 +payloadSize4; codec._forcePayloadRead = payloadSizeSum; codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); testOk(codec._readPollOneCount == 0, "%s: codec._readPollOneCount == 0", CURRENT_FUNCTION); PVAMessage msg = codec._receivedAppMessages[0]; testOk(msg._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); msg._payload->flip(); testOk((std::size_t)payloadSizeSum == msg._payload->getLimit(), "%s: payloadSizeSum == msg._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < msg._payloadSize; i++) { if ((int8_t)i != msg._payload->getByte()) { testFail( "%s: (int8_t)%d == msg._payload->getByte()", CURRENT_FUNCTION, (int8_t)i); } } } } } } } void testReadNormalConnectionLoss() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec._disconnected = true; codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x01); codec._readBuffer->put((int8_t)0x23); codec._readBuffer->putInt(0x456789AB); codec._readBuffer->flip(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 1, "%s: codec._closedCount == 1", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); } class ReadPollOneCallbackForTestSegmentedSplitConnectionLoss: public ReadPollOneCallback { public: ReadPollOneCallbackForTestSegmentedSplitConnectionLoss( TestCodec & codec): _codec(codec) {} void readPollOne() { if (_codec._readPollOneCount == 1) { _codec._disconnected = true; } else throw std::logic_error("should not happen"); } private: TestCodec &_codec; }; void testSegmentedSplitConnectionLoss() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); for (int32_t firstMessagePayloadSize = 1; // cannot be zero firstMessagePayloadSize <= 3*PVA_ALIGNMENT; firstMessagePayloadSize++) { for (int32_t secondMessagePayloadSize = 0; secondMessagePayloadSize <= 2*PVA_ALIGNMENT; secondMessagePayloadSize++) { // cannot be zero for (int32_t thirdMessagePayloadSize = 1; thirdMessagePayloadSize <= 2*PVA_ALIGNMENT; thirdMessagePayloadSize++) { std::size_t splitAt = 1; while (true) { TestCodec codec(DEFAULT_BUFFER_SIZE, DEFAULT_BUFFER_SIZE); codec._readPayload = true; // 1st codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0x90); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize1 = firstMessagePayloadSize; codec._readBuffer->putInt(payloadSize1); int32_t c = 0; for (int32_t i = 0; i < payloadSize1; i++) codec._readBuffer->put((int8_t)(c++)); std::size_t aligned = AbstractCodec::alignedValue( payloadSize1, PVA_ALIGNMENT); for (std::size_t i = payloadSize1; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 2nd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xB0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize2 = secondMessagePayloadSize; int32_t payloadSize2Real = payloadSize2 + payloadSize1 % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize2Real); // pre-message padding for (int32_t i = 0; i < payloadSize1 % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize2; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize2Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize2Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); // 3rd codec._readBuffer->put(PVA_MAGIC); codec._readBuffer->put(PVA_VERSION); codec._readBuffer->put((int8_t)0xA0); codec._readBuffer->put((int8_t)0x01); int32_t payloadSize3 = thirdMessagePayloadSize; int32_t payloadSize3Real = payloadSize3 + payloadSize2Real % PVA_ALIGNMENT; codec._readBuffer->putInt(payloadSize3Real); // pre-message padding required for (int32_t i = 0; i < payloadSize2Real % PVA_ALIGNMENT; i++) codec._readBuffer->put((int8_t)0xEE); for (int32_t i = 0; i < payloadSize3; i++) codec._readBuffer->put((int8_t)(c++)); aligned = AbstractCodec::alignedValue( payloadSize3Real, PVA_ALIGNMENT); for (std::size_t i = payloadSize3Real; i < aligned; i++) codec._readBuffer->put((int8_t)0xFF); codec._readBuffer->flip(); std::size_t realReadBufferEnd = codec._readBuffer->getLimit(); if (splitAt++ == realReadBufferEnd-1) break; codec._readBuffer->setLimit(splitAt); std::auto_ptr readPollOneCallback( new ReadPollOneCallbackForTestSegmentedSplitConnectionLoss (codec)); codec._readPollOneCallback = readPollOneCallback; int32_t payloadSizeSum = payloadSize1+payloadSize2+payloadSize3; codec._forcePayloadRead = payloadSizeSum; codec.processRead(); while (codec._closedCount == 0 && codec._invalidDataStreamCount == 0 && codec._readBuffer->getPosition() != realReadBufferEnd) { codec._readPollOneCount++; codec._readPollOneCallback->readPollOne(); codec.processRead(); } testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 1, "%s: codec._closedCount == 1", CURRENT_FUNCTION); } } } } } void testSendConnectionLoss() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec._disconnected = true; codec.putControlMessage((int8_t)0x23, 0x456789AB); try { codec.transferToReadBuffer(); testFail("%s: connection lost, but not reported", CURRENT_FUNCTION); } catch (connection_closed_exception & ) { testOk(true, "%s: connection closed exception expected", CURRENT_FUNCTION); } testOk(codec._closedCount == 1, "%s: codec._closedCount == 1", CURRENT_FUNCTION); } class TransportSenderForTestEnqueueSendRequest: public TransportSender { public: TransportSenderForTestEnqueueSendRequest( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.startMessage((int8_t)0x20, 0x00000000); _codec.endMessage(); } private: TestCodec &_codec; }; class TransportSender2ForTestEnqueueSendRequest: public TransportSender { public: TransportSender2ForTestEnqueueSendRequest( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.putControlMessage((int8_t)0xEE, 0xDDCCBBAA); } private: TestCodec &_codec; }; void testEnqueueSendRequest() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestEnqueueSendRequest(codec)); std::tr1::shared_ptr sender2 = std::tr1::shared_ptr( new TransportSender2ForTestEnqueueSendRequest(codec)); // process codec.enqueueSendRequest(sender); codec.enqueueSendRequest(sender2); codec.processSendQueue(); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app, no payload PVAMessage header = codec._receivedAppMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x00), "%s: header._flags == 0x(0|8)0", CURRENT_FUNCTION); testOk(header._command == (int8_t)0x20, "%s: header._command == 0x20", CURRENT_FUNCTION); testOk(header._payloadSize == 0x00000000, "%s: header._payloadSize == 0x00000000", CURRENT_FUNCTION); // control header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x01), "%s: header._flags == 0x(0|8)1", CURRENT_FUNCTION); testOk(header._command == (int8_t)0xEE, "%s: header._command == 0xEE", CURRENT_FUNCTION); testOk(header._payloadSize == (int32_t)0xDDCCBBAA, "%s: header._payloadSize == 0xDDCCBBAA", CURRENT_FUNCTION); } class TransportSenderForTestEnqueueSendDirectRequest: public TransportSender { public: TransportSenderForTestEnqueueSendDirectRequest( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.startMessage((int8_t)0x20, 0x00000000); _codec.endMessage(); } private: TestCodec &_codec; }; class TransportSender2ForTestEnqueueSendDirectRequest: public TransportSender { public: TransportSender2ForTestEnqueueSendDirectRequest( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.putControlMessage((int8_t)0xEE, 0xDDCCBBAA); } private: TestCodec &_codec; }; void testEnqueueSendDirectRequest() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestEnqueueSendDirectRequest(codec)); std::tr1::shared_ptr sender2 = std::tr1::shared_ptr( new TransportSender2ForTestEnqueueSendDirectRequest (codec)); // thread not right codec.enqueueSendRequest(sender, PVA_MESSAGE_HEADER_SIZE); testOk(1 == codec._scheduleSendCount, "%s: 1 == codec._scheduleSendCount", CURRENT_FUNCTION); testOk(0 == codec._receivedControlMessages.size(), "%s: 0 == codec._receivedControlMessages.size()", CURRENT_FUNCTION); testOk(0 == codec._receivedAppMessages.size(), "%s: 0 == codec._receivedAppMessages.size()", CURRENT_FUNCTION); codec.setSenderThread(); // not empty queue codec.enqueueSendRequest(sender2, PVA_MESSAGE_HEADER_SIZE); testOk(2 == codec._scheduleSendCount, "%s: 2 == codec._scheduleSendCount", CURRENT_FUNCTION); testOk(0 == codec._receivedControlMessages.size(), "%s: 0 == codec._receivedControlMessages.size()", CURRENT_FUNCTION); testOk(0 == codec._receivedAppMessages.size(), "%s: 0 == codec._receivedAppMessages.size()", CURRENT_FUNCTION); // send will be triggered after last //was processed testOk(0 == codec._sendCompletedCount, "%s: 0 == codec._sendCompletedCount", CURRENT_FUNCTION); codec.processSendQueue(); testOk(1 == codec._sendCompletedCount, "%s: 1 == codec._sendCompletedCount", CURRENT_FUNCTION); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 1, "%s: codec._receivedControlMessages.size() == 1 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app, no payload PVAMessage header = codec._receivedAppMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x00), "%s: header._flags == 0x(0|8)0", CURRENT_FUNCTION); testOk(header._command == 0x20, "%s: header._command == 0x20", CURRENT_FUNCTION); testOk(header._payloadSize == 0x00000000, "%s: header._payloadSize == 0x00000000", CURRENT_FUNCTION); // control header = codec._receivedControlMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x01), "%s: header._flags == 0x(0|8)1", CURRENT_FUNCTION); testOk(header._command == (int8_t)0xEE, "%s: header._command == 0xEE", CURRENT_FUNCTION); testOk(header._payloadSize == (int32_t)0xDDCCBBAA, "%s: header._payloadSize == 0xDDCCBBAA", CURRENT_FUNCTION); testOk(0 == codec.getSendBuffer()->getPosition(), "%s: 0 == codec.getSendBuffer()->getPosition()", CURRENT_FUNCTION); // now queue is empty and thread is right codec.enqueueSendRequest(sender2, PVA_MESSAGE_HEADER_SIZE); testOk((std::size_t)PVA_MESSAGE_HEADER_SIZE == codec.getSendBuffer()->getPosition(), "%s: PVA_MESSAGE_HEADER_SIZE == " "codec.getSendBuffer()->getPosition()", CURRENT_FUNCTION); testOk(3 == codec._scheduleSendCount, "%s: 3 == codec._scheduleSendCount", CURRENT_FUNCTION); testOk(1 == codec._sendCompletedCount, "%s: 1 == codec._sendCompletedCount", CURRENT_FUNCTION); codec.processWrite(); testOk(2 == codec._sendCompletedCount, "%s: 2 == codec._sendCompletedCount", CURRENT_FUNCTION); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._receivedControlMessages.size() == 2, "%s: codec._receivedControlMessages.size() == 2 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); header = codec._receivedControlMessages[1]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x01), "%s: header._flags == 0x(0|8)1", CURRENT_FUNCTION); testOk(header._command == (int8_t)0xEE, "%s: header._command == 0xEE", CURRENT_FUNCTION); testOk(header._payloadSize == (int32_t)0xDDCCBBAA, "%s: header._payloadSize == 0xDDCCBBAA", CURRENT_FUNCTION); } class TransportSenderForTestSendPerPartes: public TransportSender { public: TransportSenderForTestSendPerPartes( TestCodec & codec, std::size_t bytesToSend): _codec(codec), _bytesToSent(bytesToSend) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.startMessage((int8_t)0x12, _bytesToSent); for (std::size_t i = 0; i < _bytesToSent; i++) _codec.getSendBuffer()->put((int8_t)i); _codec.endMessage(); } private: TestCodec &_codec; std::size_t _bytesToSent; }; void testSendPerPartes() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); std::size_t bytesToSent = DEFAULT_BUFFER_SIZE - 2*PVA_MESSAGE_HEADER_SIZE; TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestSendPerPartes( codec, bytesToSent)); codec._readPayload = true; // process codec.enqueueSendRequest(sender); codec.processSendQueue(); codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app PVAMessage header = codec._receivedAppMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)0x80, "%s: header._flags == 0x80", CURRENT_FUNCTION); testOk(header._command == (int8_t)0x12, "%s: header._command == 0x12", CURRENT_FUNCTION); testOk(header._payloadSize == (int32_t)bytesToSent, "%s: header._payloadSize == bytesToSent", CURRENT_FUNCTION); testOk(header._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); header._payload->flip(); testOk(bytesToSent == header._payload->getLimit(), "%s: bytesToSent == header._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < header._payloadSize; i++) { if ((int8_t)i != header._payload->getByte()) { testFail("%s: (int8_t)%d == header._payload->getByte()", CURRENT_FUNCTION, i); } } } class TransportSenderForTestSendException: public TransportSender { public: TransportSenderForTestSendException( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.putControlMessage((int8_t)0x01, 0x00112233); } private: TestCodec &_codec; }; void testSendException() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestSendException(codec)); codec._throwExceptionOnSend = true; // process codec.enqueueSendRequest(sender); try { codec.processSendQueue(); testFail("%s: ConnectionClosedException expected", CURRENT_FUNCTION); } catch (connection_closed_exception &) { // OK } testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 1, "%s: codec._closedCount == 1", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); } class TransportSenderForTestSendHugeMessagePartes: public TransportSender { public: TransportSenderForTestSendHugeMessagePartes( TestCodec & codec, std::size_t bytesToSend): _codec(codec), _bytesToSent(bytesToSend) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.startMessage((int8_t)0x12, 0); std::size_t toSend = _bytesToSent; int32_t c = 0; while (toSend > 0) { std::size_t sendNow = std::min(toSend, AbstractCodec::MAX_ENSURE_BUFFER_SIZE); _codec.ensureBuffer(sendNow); for (std::size_t i = 0; i < sendNow; i++) _codec.getSendBuffer()->put((int8_t)(c++)); toSend -= sendNow; } _codec.endMessage(); } private: TestCodec &_codec; std::size_t _bytesToSent; }; class WritePollOneCallbackForTestSendHugeMessagePartes: public WritePollOneCallback { public: WritePollOneCallbackForTestSendHugeMessagePartes( TestCodec &codec): _codec(codec) {} void writePollOne() { _codec.processWrite(); // this should return immediately // now we fake reading _codec._writeBuffer.flip(); // in this test we made sure readBuffer is big enough while(_codec._writeBuffer.getRemaining() > 0) { _codec._readBuffer->putByte( _codec._writeBuffer.getByte()); } _codec._writeBuffer.clear(); } private: TestCodec & _codec; }; void testSendHugeMessagePartes() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); std::size_t bytesToSent = 10*DEFAULT_BUFFER_SIZE+1; TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); codec._readPayload = true; codec._readBuffer.reset( new ByteBuffer(11*DEFAULT_BUFFER_SIZE)); std::auto_ptr writePollOneCallback( new WritePollOneCallbackForTestSendHugeMessagePartes (codec)); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestSendHugeMessagePartes( codec, bytesToSent)); codec._writePollOneCallback = writePollOneCallback; // process codec.enqueueSendRequest(sender); codec.processSendQueue(); codec.addToReadBuffer(); codec._forcePayloadRead = bytesToSent; codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 0, "%s: codec._closedCount == 0", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 1, "%s: codec._receivedAppMessages.size() == 1", CURRENT_FUNCTION); // app PVAMessage header = codec._receivedAppMessages[0]; testOk(header._version == PVA_VERSION, "%s: header._version == PVA_VERSION", CURRENT_FUNCTION); testOk(header._flags == (int8_t)((EPICS_BYTE_ORDER == EPICS_ENDIAN_BIG ? 0x80 : 0x00) | 0x10), "%s: header._flags == (int8_t)(0x(0|8)0 | 0x10)", CURRENT_FUNCTION); testOk(header._command == 0x12, "%s: header._command == 0x12", CURRENT_FUNCTION); testOk(header._payload.get() != 0, "%s: msg._payload.get() != 0", CURRENT_FUNCTION); header._payload->flip(); testOk(bytesToSent == header._payload->getLimit(), "%s: bytesToSent == header._payload->getLimit()", CURRENT_FUNCTION); for (int32_t i = 0; i < header._payloadSize; i++) { if ((int8_t)i != header._payload->getByte()) { testFail("%s: (int8_t)%d == header._payload->getByte()", CURRENT_FUNCTION, i); } } } void testRecipient() { // nothing to test, depends on implementation } class TransportSenderForTestClearSendQueue: public TransportSender { public: TransportSenderForTestClearSendQueue( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.startMessage((int8_t)0x20, 0x00000000); _codec.endMessage(); } private: TestCodec &_codec; }; class TransportSender2ForTestClearSendQueue: public TransportSender { public: TransportSender2ForTestClearSendQueue( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.putControlMessage((int8_t)0xEE, 0xDDCCBBAA); } private: TestCodec &_codec; }; void testClearSendQueue() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestClearSendQueue(codec)); std::tr1::shared_ptr sender2 = std::tr1::shared_ptr( new TransportSender2ForTestClearSendQueue(codec)); codec.enqueueSendRequest(sender); codec.enqueueSendRequest(sender2); codec.clearSendQueue(); codec.processSendQueue(); testOk(0 == codec.getSendBuffer()->getPosition(), "%s: 0 == codec.getSendBuffer()->getPosition()", CURRENT_FUNCTION); testOk(0 == codec._writeBuffer.getPosition(), "%s: 0 == codec._writeBuffer.getPosition()", CURRENT_FUNCTION); } void testInvalidArguments() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); try { // too small TestCodec codec(1,DEFAULT_BUFFER_SIZE); testFail("%s: too small buffer accepted", CURRENT_FUNCTION); } catch (std::exception &) { // OK } try { // too small TestCodec codec(DEFAULT_BUFFER_SIZE,1); testFail("%s: too small buffer accepted", CURRENT_FUNCTION); } catch (std::exception &) { // OK } if (PVA_ALIGNMENT > 1) { try { // non aligned TestCodec codec(2*AbstractCodec::MAX_ENSURE_SIZE+1, DEFAULT_BUFFER_SIZE); testFail("%s: non-aligned buffer size accepted", CURRENT_FUNCTION); } catch (std::exception &) { // OK } try { // non aligned TestCodec codec(DEFAULT_BUFFER_SIZE, 2*AbstractCodec::MAX_ENSURE_SIZE+1); testFail("%s: non-aligned buffer size accepted", CURRENT_FUNCTION); } catch (std::exception &) { // OK } } TestCodec codec(DEFAULT_BUFFER_SIZE, DEFAULT_BUFFER_SIZE); try { codec.ensureBuffer(DEFAULT_BUFFER_SIZE+1); testFail("%s: too big size accepted", CURRENT_FUNCTION); } catch (std::exception &) { // OK } try { codec.ensureData(AbstractCodec::MAX_ENSURE_DATA_SIZE+1); testFail("%s: too big size accepted", CURRENT_FUNCTION); } catch (std::exception &) { // OK } } void testDefaultModes() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); testOk(NORMAL== codec.getReadMode(), "%s: NORMAL== codec.getReadMode()", CURRENT_FUNCTION); testOk(PROCESS_SEND_QUEUE == codec.getWriteMode(), "%s: PROCESS_SEND_QUEUE == codec.getWriteMode()", CURRENT_FUNCTION); } class TransportSenderForTestEnqueueSendRequestExceptionThrown: public TransportSender { public: TransportSenderForTestEnqueueSendRequestExceptionThrown( TestCodec & /*codec*/)/*: _codec(codec)*/ {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { // after connection_closed_exception is thrown codec is no longer valid, // however we want to do some tests and in order for memory checkers not to complain // the following step is needed memset((void*)buffer->getBuffer(), 0, buffer->getSize()); throw connection_closed_exception( "expected test exception"); } private: //TestCodec &_codec; }; class TransportSender2ForTestEnqueueSendRequestExceptionThrown: public TransportSender { public: TransportSender2ForTestEnqueueSendRequestExceptionThrown( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.putControlMessage((int8_t)0xEE, 0xDDCCBBAA); } private: TestCodec &_codec; }; void testEnqueueSendRequestExceptionThrown() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE,DEFAULT_BUFFER_SIZE); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestEnqueueSendRequestExceptionThrown (codec)); std::tr1::shared_ptr sender2 = std::tr1::shared_ptr(new TransportSender2ForTestEnqueueSendRequestExceptionThrown( codec)); // process codec.enqueueSendRequest(sender); codec.enqueueSendRequest(sender2); try { codec.processSendQueue(); testFail("%s: ConnectionClosedException expected", CURRENT_FUNCTION); } catch (connection_closed_exception &) { // OK } codec.transferToReadBuffer(); codec.processRead(); testOk(codec._invalidDataStreamCount == 0, "%s: codec._invalidDataStreamCount == 0", CURRENT_FUNCTION); testOk(codec._closedCount == 1, "%s: codec._closedCount == 1", CURRENT_FUNCTION); testOk(codec._receivedControlMessages.size() == 0, "%s: codec._receivedControlMessages.size() == 0 ", CURRENT_FUNCTION); testOk(codec._receivedAppMessages.size() == 0, "%s: codec._receivedAppMessages.size() == 0", CURRENT_FUNCTION); } class TransportSenderForTestBlockingProcessQueueTest: public TransportSender { public: TransportSenderForTestBlockingProcessQueueTest( TestCodec & codec): _codec(codec) {} void unlock() { } void lock() { } void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control) { _codec.putControlMessage((int8_t)0x01, 0x00112233); } private: TestCodec &_codec; }; class ValueHolder { public: ValueHolder( TestCodec &testCodec, AtomicValue &processTreadExited): _testCodec(testCodec), _processTreadExited(processTreadExited) {} TestCodec &_testCodec; AtomicValue & _processTreadExited; }; void testBlockingProcessQueueTest() { testDiag("BEGIN TEST %s:", CURRENT_FUNCTION); TestCodec codec(DEFAULT_BUFFER_SIZE, DEFAULT_BUFFER_SIZE, true); _processTreadExited.getAndSet(false); std::tr1::shared_ptr sender = std::tr1::shared_ptr( new TransportSenderForTestBlockingProcessQueueTest(codec)); ValueHolder valueHolder(codec, _processTreadExited); epicsThreadCreate( "testBlockingProcessQueueTest-processThread", epicsThreadPriorityMedium, epicsThreadGetStackSize( epicsThreadStackMedium), CodecTest::blockingProcessQueueThread, &valueHolder); epicsThreadSleep(3); testOk(_processTreadExited.get() == false, "%s: _processTreadExited.get() == false", CURRENT_FUNCTION); // let's put something into it codec.enqueueSendRequest(sender); epicsThreadSleep(1); testOk((std::size_t)PVA_MESSAGE_HEADER_SIZE == codec._writeBuffer.getPosition(), "%s: PVA_MESSAGE_HEADER_SIZE == " "codec._writeBuffer.getPosition()", CURRENT_FUNCTION); codec.endBlockedProcessSendQueue(); epicsThreadSleep(1); testOk(_processTreadExited.get() == true, "%s: _processTreadExited.get() == true", CURRENT_FUNCTION); } private: void static blockingProcessQueueThread(void *param) { ValueHolder *valueHolder = static_cast(param); // this should block valueHolder->_testCodec.processSendQueue(); valueHolder->_processTreadExited.getAndSet(true); } AtomicValue _processTreadExited; }; } } using namespace epics::pvAccess; MAIN(testCodec) { CodecTest codecTest; return codecTest.runAllTest(); }