23.06.2014 - PICodeParser, PICodeInfo, PIConnection, new binary "pip_cmg"

pipacketextractor.h

@@ -27,43 +27,66 @@
 #include "piiodevice.h"
 
 // Pass data, recHeaderPtr, received_data, recHeaderSize. Return true if packet is correct nor return false.
-typedef bool (*HeaderCheckFunc)(void * , uchar * , uchar * , int );
+typedef bool (*PacketExtractorCheckFunc)(void * , uchar * , uchar * , int );
 
 class PIP_EXPORT PIPacketExtractor: public PIIODevice
 {
 	PIIODEVICE(PIPacketExtractor)
+	friend class PIConnection;
 public:
 	
+	enum SplitMode {
+		None,
+		Header,
+		Footer,
+		HeaderAndFooter,
+		Size,
+		Timeout
+	};
+	
 	//! Contructs extractor with child device "device_", header content pointer "recHeaderPtr", header size "recHeaderSize" and payload size "recDataSize"
-	PIPacketExtractor(PIIODevice * device_ = 0, void * recHeaderPtr = 0, int recHeaderSize = 0, int recDataSize = 0);
+	PIPacketExtractor(PIIODevice * device_ = 0, SplitMode mode = None);
 	
 	virtual ~PIPacketExtractor() {stop();}
-
+	
 	
 	//! Returns child %device
 	PIIODevice * device() {return dev;}
 	
 	//! Set child %device to "device_"
 	void setDevice(PIIODevice * device_);
-
+	
 	
 	//! Returns buffer size
 	int bufferSize() const {return buffer_size;}
 	
 	//! Set buffer size to "new_size" bytes, should be at least greater than whole packet size
 	void setBufferSize(int new_size) {buffer_size = new_size; buffer.resize(buffer_size); sbuffer.resize(buffer_size); memset(buffer.data(), 0, buffer.size()); memset(sbuffer.data(), 0, sbuffer.size());}
-
-	void setHeaderCheckSlot(HeaderCheckFunc f) {ret_func_header = f;}
 	
-	//! Set header content pointer "recHeaderPtr", header size "recHeaderSize" and payload size "recDataSize"
-	void setPacketData(void * recHeaderPtr, int recHeaderSize, int recDataSize) {headerPtr = recHeaderPtr; headerSize = recHeaderSize; dataSize = recDataSize; packetSize = headerSize + dataSize; if (headerSize > 0) mheader.resize(headerSize);}
-
+	void setHeaderCheckSlot(PacketExtractorCheckFunc f) {ret_func_header = f;}
+	void setFooterCheckSlot(PacketExtractorCheckFunc f) {ret_func_footer = f;}
+	void setPayloadCheckSlot(ReadRetFunc f) {ret_func_ = f;}
+	
+	void setSplitMode(SplitMode mode) {setProperty("splitMode", int(mode)); mode_ = mode;}
+	void setPayloadSize(int size);
+	void setHeader(const PIByteArray & data);
+	void setFooter(const PIByteArray & data);
+	void setTimeout(double msecs) {setProperty("timeout", msecs); time_ = msecs;}
+	void setPacketSize(int size) {setProperty("packetSize", size); packetSize_ = size;}
+	
+	SplitMode splitMode() const {return (SplitMode)(property("splitMode").toInt());}
+	int payloadSize() const {return property("payloadSize").toInt();}
+	PIByteArray header() const {return src_header;}
+	PIByteArray footer() const {return src_footer;}
+	double timeout() const {return property("timeout").toDouble();}
+	int packetSize() const {return property("packetSize").toInt();}
+	
 	
 	//! Returns missed by validating functions bytes count
 	ullong missedBytes() const {return missed;}
 	
 	//! Returns missed by validating functions packets count, = missedBytes() / packetSize
-	ullong missedPackets() const {if (packetSize == 0) return missed; return missed / packetSize;}
+	ullong missedPackets() const {/*if (packetSize_hf == 0) return missed; return missed / packetSize_hf*/; return missed_packets;}
 	
 	//! Returns pointer to \a missedBytes() count. Useful for output to PIConsole
 	const ullong * missedBytes_ptr() const {return &missed;}
@@ -82,6 +105,8 @@ public:
 	//! Directly call \a write() function of child %device
 	int write(const void * data, int max_size) {if (dev == 0) return -1; return dev->write(data, max_size);}
 	
+	PIString constructFullPath() const;
+	
 	EVENT2(packetReceived, uchar * , data, int, size)
 	
 //! \events
@@ -95,25 +120,40 @@ public:
 protected:
 	
 	/** \brief Function to validate header
-	 * \param src Your header content passed from constructor or with function \a setPacketData()
+	 * \param src Your header content
 	 * \param rec Received header
 	 * \param size Header size
 	 * \details Default implementation returns by-byte "src" with "rec" compare result */
-	virtual bool packetHeaderValidate(uchar * src, uchar * rec, int size) {if (ret_func_header != 0) return ret_func_header(ret_data_, src, rec, size); for (int i = 0; i < size; ++i) if (src[i] != rec[i]) return false; return true;}
+	virtual bool validateHeader(uchar * src, uchar * rec, int size) {if (ret_func_header != 0) return ret_func_header(ret_data_, src, rec, size); for (int i = 0; i < size; ++i) if (src[i] != rec[i]) return false; return true;}
+
+	/** \brief Function to validate footer
+	 * \param src Your footer content
+	 * \param rec Received footer
+	 * \param size Footer size
+	 * \details Default implementation returns by-byte "src" with "rec" compare result */
+	virtual bool validateFooter(uchar * src, uchar * rec, int size) {if (ret_func_footer != 0) return ret_func_footer(ret_data_, src, rec, size); for (int i = 0; i < size; ++i) if (src[i] != rec[i]) return false; return true;}
 	
-	//! Function to validate packet paylod after successfully header validate. Default implementation returns \b true
-	virtual bool packetValidate(uchar * rec, int size) {if (ret_func_ != 0) return ret_func_(ret_data_, rec, size); return true;}
+	/** \brief Function to validate payload
+	 * \param rec Received payload
+	 * \param size payload size
+	 * \details Default implementation returns \b true */
+	virtual bool validatePayload(uchar * rec, int size) {if (ret_func_ != 0) return ret_func_(ret_data_, rec, size); return true;}
 
 private:
+	void init_();
+	void propertyChanged(const PIString & );
 	bool threadedRead(uchar * readed, int size);
 	PIString fullPathPrefix() const {return "pckext";}
 	bool openDevice() {if (dev == 0) return false; return dev->open();}
 
 	PIIODevice * dev;
-	PIByteArray mheader, buffer, sbuffer;
-	HeaderCheckFunc ret_func_header;
-	void * headerPtr, * data;
-	int buffer_size, dataSize, headerSize, packetSize, allReaded, addSize, curInd;
+	PIByteArray mheader, buffer, sbuffer, tmpbuf, src_header, src_footer, trbuf;
+	PacketExtractorCheckFunc ret_func_header, ret_func_footer;
+	SplitMode mode_;
+	void * data;
+	int buffer_size, dataSize, packetSize_hf, allReaded, addSize, curInd, footerInd, packetSize_;
+	double time_;
+	bool header_found;
 	ullong missed, missed_packets;