Added datafile and handling of MQTT publish message.

aqhome/data/datafile.h

@@ -0,0 +1,44 @@
+/****************************************************************************
+ * This file is part of the project Gwenhywfar.
+ * Gwenhywfar (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_DATAFILE_H
+#define AQH_DATAFILE_H
+
+
+#include "aqhome/data/storage.h"
+
+#include <gwenhywfar/list.h>
+
+
+typedef struct AQH_DATAFILE AQH_DATAFILE;
+GWEN_LIST_FUNCTION_LIB_DEFS(AQH_DATAFILE, AQH_DataFile, AQHOME_API)
+
+
+AQHOME_API AQH_DATAFILE *AQH_DataFile_new(const char *fileName, uint64_t valueId);
+AQHOME_API void AQH_DataFile_free(AQH_DATAFILE *df);
+
+AQHOME_API int AQH_DataFile_Create(AQH_DATAFILE *df);
+AQHOME_API int AQH_DataFile_Open(AQH_DATAFILE *df);
+AQHOME_API int AQH_DataFile_Close(AQH_DATAFILE *df);
+
+AQHOME_API const char *AQH_DataFile_GetFileName(const AQH_DATAFILE *df);
+AQHOME_API uint64_t AQH_DataFile_GetValueId(const AQH_DATAFILE *df);
+
+AQHOME_API uint64_t AQH_DataFile_GetNumberOfEntries(const AQH_DATAFILE *df);
+
+AQHOME_API uint32_t AQH_DataFile_GetRuntimeFlags(const AQH_DATAFILE *df);
+
+AQHOME_API int AQH_DataFile_ReadRecord(AQH_DATAFILE *df, uint64_t idx, uint64_t *pTimestamp, double *pValue);
+AQHOME_API int AQH_DataFile_AppendRecord(AQH_DATAFILE *df, uint64_t timestamp, double value);
+
+AQHOME_API AQH_DATAFILE *AQH_DataFile_List_GetByValueId(AQH_DATAFILE_LIST *fileList, uint64_t id);
+
+
+#endif
+
+