Initial commit based on common repo commit ffeb9c9b

libs/gempa/caps/metapacket.h

@@ -0,0 +1,143 @@
+/***************************************************************************
+ * Copyright (C) 2009 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_METAPACKET_H
+#define GEMPA_CAPS_METAPACKET_H
+
+#include <gempa/caps/api.h>
+#include <gempa/caps/packet.h>
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+
+
+namespace Gempa {
+namespace CAPS {
+
+struct SC_GEMPA_CAPS_API MetaResponseHeader {
+	struct Time {
+		int64_t seconds;
+		int32_t microSeconds;
+	};
+
+	Time  startTime;
+	Time  endTime;
+
+	bool get(std::streambuf &buf) {
+		Endianess::Reader get(buf);
+
+		get(startTime.seconds);
+		get(startTime.microSeconds);
+
+		get(endTime.seconds);
+		get(endTime.microSeconds);
+
+		return get.good;
+	}
+
+	int dataSize() const {
+		return sizeof(startTime.seconds) + sizeof(startTime.microSeconds) +
+		       sizeof(endTime.seconds) + sizeof(endTime.microSeconds);
+	}
+};
+
+class MetaDataRecord : public DataRecord {
+	public:
+		struct MetaHeader {
+			Header    dataHeader;
+			TimeStamp endTime;
+
+			bool get(std::streambuf &buf) {
+				Endianess::Reader 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;
+
+			int dataSize() const {
+				return dataHeader.dataSize() +
+				       sizeof(endTime.year) +
+				       sizeof(endTime.yday) +
+				       sizeof(endTime.hour) +
+				       sizeof(endTime.minute) +
+				       sizeof(endTime.second) +
+				       sizeof(endTime.usec);
+			}
+
+			void setEndTime(const Time &timestamp);
+		};
+
+	public:
+		MetaDataRecord();
+
+		//! Returns the data vector to be filled by the caller
+		Buffer *data();
+
+		virtual const char *formatName() const;
+
+		virtual bool readMetaData(std::streambuf &buf, int size,
+		                          Header &header,
+		                          Time &startTime, Time &endTime) {
+			return false;
+		}
+
+		virtual const Header *header() const;
+
+		//! Sets a custom header and updates all internal structures
+		//! based on the current data. If the data has changed, make
+		//! sure to call this method again. If the flag skip reading
+		//! is set get will not read the header information from stream
+		void setHeader(const MetaHeader &header);
+
+		virtual Time startTime() const;
+		virtual Time endTime() const;
+
+		virtual bool canTrim() const { return false; }
+		virtual bool canMerge() const { return false; }
+
+		virtual bool trim(const Time &start, const Time &end) const { return false; }
+
+		virtual size_t dataSize(bool withHeader) const;
+
+		virtual ReadStatus get(std::streambuf &buf, int size,
+		                       const Time &start, const Time &end,
+		                       int maxBytes);
+
+		virtual bool put(std::streambuf &buf, bool withHeader) const { return false; }
+
+		PacketType packetType() const { return MetaDataPacket; }
+
+	private:
+		MetaHeader      _header;
+
+		mutable Time    _startTime;
+		mutable Time    _endTime;
+};
+
+}
+}
+
+
+#endif