Initial commit based on common repo commit ffeb9c9b

libs/gempa/caps/anypacket.h

@@ -0,0 +1,154 @@
+/***************************************************************************
+ * Copyright (C) 2012 by gempa GmbH                                        *
+ *                                                                         *
+ * All Rights Reserved.                                                    *
+ *                                                                         *
+ * NOTICE: All information contained herein is, and remains                *
+ * the property of gempa GmbH and its suppliers, if any. The intellectual  *
+ * and technical concepts contained herein are proprietary to gempa GmbH   *
+ * and its suppliers.                                                      *
+ * Dissemination of this information or reproduction of this material      *
+ * is strictly forbidden unless prior written permission is obtained       *
+ * from gempa GmbH.                                                        *
+ ***************************************************************************/
+
+
+#ifndef GEMPA_CAPS_CUSTOMPACKET_H
+#define GEMPA_CAPS_CUSTOMPACKET_H
+
+
+#include <gempa/caps/packet.h>
+#include <gempa/caps/endianess.h>
+
+#include <vector>
+
+namespace Gempa {
+namespace CAPS {
+
+class AnyDataRecord : public DataRecord {
+	public:
+		typedef std::vector<char> Buffer;
+
+		struct AnyHeader {
+			char      type[5];
+			Header    dataHeader;
+			TimeStamp endTime;
+
+			bool get(std::streambuf &buf) {
+				Endianess::Reader get(buf);
+				get(type, sizeof(type)-1);
+				type[sizeof(type)-1] = '\0';
+				dataHeader.get(buf);
+
+				get(endTime.year);
+				get(endTime.yday);
+				get(endTime.hour);
+				get(endTime.minute);
+				get(endTime.second);
+				get(endTime.usec);
+
+				return get.good;
+			}
+
+			bool put(std::streambuf &buf) const;
+
+			// 4 additional bytes (type) with respect to the original
+			// data header
+			int dataSize() const {
+				return sizeof(type)-1 +
+				       dataHeader.dataSize() +
+				       sizeof(endTime.year) +
+				       sizeof(endTime.yday) +
+				       sizeof(endTime.hour) +
+				       sizeof(endTime.minute) +
+				       sizeof(endTime.second) +
+				       sizeof(endTime.usec);
+			}
+		};
+
+		AnyDataRecord();
+
+		//! Sets the format of the any record. The format can be
+		//! anything that fits into 4 characters. If more than
+		//! 4 characters are given, false is returned.
+		bool setType(const char *type);
+		const char *type() const;
+
+		virtual const char *formatName() const;
+
+		virtual bool readMetaData(std::streambuf &buf, int size,
+		                          Header &header,
+		                          Time &startTime,
+		                          Time &endTime);
+
+		virtual const Header *header() const;
+		virtual Time startTime() const;
+		virtual Time endTime() const;
+
+		virtual bool canTrim() const;
+		virtual bool canMerge() const;
+
+		virtual bool trim(const Time &start,
+		                  const Time &end) const;
+
+		virtual size_t dataSize(bool withHeader) const;
+
+		virtual ReadStatus get(std::streambuf &buf, int size,
+		                       const Time &start = Time(),
+		                       const Time &end = Time(),
+		                       int maxSize = -1);
+
+		virtual bool put(std::streambuf &buf, bool withHeader) const;
+
+		/**
+		 * @brief Returns the packet type
+		 * @return The packet type
+		 */
+		PacketType packetType() const { return ANYPacket; }
+
+		/**
+		 * @brief Sets the start time of the record
+		 * @param The start time
+		 */
+		void setStartTime(const Time &time);
+
+		/**
+		 * @brief Sets the end time of the record
+		 * @param The end time
+		 */
+		void setEndTime(const Time &time);
+
+		/**
+		 * @brief Sets the sampling frequency of the record
+		 * @param numerator The numerator
+		 * @param denominator The denomintor
+		 */
+		void setSamplingFrequency(uint16_t numerator, uint16_t denominator);
+
+		/**
+		 * @brief Returns the data vector to be filled by the caller
+		 * @return The pointer to the internal buffer
+		 */
+		Buffer *data() { return &_data; }
+
+		/**
+		 * @brief Initializes the internal data vector from the given buffer
+		 * @param The buffer to read the data from
+		 * @param The buffer size
+		 */
+		virtual void setData(char *data, size_t size);
+
+	protected:
+		AnyHeader      _header;
+		Buffer         _data;
+
+		Time          _startTime;
+		Time          _endTime;
+};
+
+
+}
+}
+
+
+#endif