135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/****************************************************************************
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* This file is part of the project AqHome.
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* AqHome (c) by 2023 Martin Preuss, all rights reserved.
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*
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* The license for this file can be found in the file COPYING which you
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* should have received along with this file.
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****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "./c_getdatapoints.h"
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#include "./aqhome_data_p.h"
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#include "aqhome/ipc/data/ipc_data.h"
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#include "aqhome/ipc/data/msg_data_datapoints.h"
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#include "aqhome/ipc/data/msg_data_getdata.h"
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#include "aqhome/ipc/endpoint_ipc.h"
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#include "aqhome/ipc/msg_ipc_result.h"
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#include "aqhome/ipc/msg_ipc_tag16.h"
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#include <gwenhywfar/debug.h>
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/* ------------------------------------------------------------------------------------------------
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* defines
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* ------------------------------------------------------------------------------------------------
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*/
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#define AQHOMEDATA_HANDLEGETDATAPOINTS_MAXTABLEENTRIES 2048
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/* ------------------------------------------------------------------------------------------------
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* forward declarations
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* ------------------------------------------------------------------------------------------------
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*/
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static int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd);
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/* ------------------------------------------------------------------------------------------------
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* implementations
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* ------------------------------------------------------------------------------------------------
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*/
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void AqHomeData_HandleGetDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *recvdMsg)
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{
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GWEN_MSG *outMsg;
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int resultCode=AQH_MSG_IPC_SUCCESS;
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if (AQH_IpcEndpoint_GetPermissions(ep) & AQH_IPCENDPOINT_PERMS_READDATA) {
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GWEN_TAG16_LIST *tagList;
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AQH_VALUE *value;
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char *valueName=NULL;
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uint64_t tsBegin=0;
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uint64_t tsEnd=0;
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tagList=AQH_Tag16IpcMsg_ParseTags(recvdMsg, 0);
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if (tagList) {
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const GWEN_TAG16 *tag;
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tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_GETDATA_TAGS_NAME);
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valueName=tag?GWEN_Tag16_GetTagDataAsNewString(tag, NULL):NULL;
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tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_GETDATA_TAGS_BEGIN);
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tsBegin=tag?GWEN_Tag16_GetTagDataAsUint64(tag, 0):0;
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tag=GWEN_Tag16_List_FindFirstByTagType(tagList, AQH_MSGDATA_GETDATA_TAGS_END);
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tsEnd=tag?GWEN_Tag16_GetTagDataAsUint64(tag, 0):0;
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}
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value=AQH_Storage_GetValueByNameForSystem(aqh->storage, valueName);
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if (value) {
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resultCode=_getAndSendDataPoints(aqh, ep, value, tsBegin, tsEnd);
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if (resultCode==AQH_MSG_IPC_SUCCESS)
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return;
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}
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else {
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DBG_INFO(NULL, "Value \"%s\" does not exist", valueName);
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resultCode=AQH_MSG_IPC_ERROR_NOTFOUND;
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}
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free(valueName);
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}
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else {
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DBG_ERROR(AQH_LOGDOMAIN, "No permissions to read data");
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resultCode=AQH_MSG_IPC_ERROR_PERMS;
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}
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outMsg=AQH_ResultIpcMsg_new(AQH_MSGTYPE_IPC_DATA_RESULT, resultCode);
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GWEN_MsgEndpoint_AddSendMessage(ep, outMsg);
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}
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int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd)
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{
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uint64_t valueId;
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uint64_t *tablePtr;
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valueId=AQH_Value_GetId(value);
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tablePtr=AQH_Storage_GetDataPoints(aqh->storage, valueId, tsBegin, tsEnd, AQHOMEDATA_HANDLEGETDATAPOINTS_MAXTABLEENTRIES);
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if (tablePtr) {
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int numTableEntries;
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int numDataPoints;
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GWEN_MSG *outMsg;
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numTableEntries=(int)(tablePtr[0]);
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numDataPoints=numTableEntries/2;
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outMsg=AQH_DataPointsDataIpcMsg_new(AQH_MSGTYPE_IPC_DATA_GETDATA_RSP, AQH_MSGDATA_DATAPOINTS_FLAGS_LASTMSG,
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valueId,
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AQH_Value_GetNameForSystem(value),
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AQH_Value_GetValueUnits(value),
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&(tablePtr[1]), numDataPoints);
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GWEN_MsgEndpoint_AddSendMessage(ep, outMsg);
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free(tablePtr);
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return AQH_MSG_IPC_SUCCESS;
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}
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else {
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DBG_INFO(NULL, "No matching datapoints for value \"%s\"", AQH_Value_GetNameForSystem(value));
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return AQH_MSG_IPC_ERROR_NODATA;
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}
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}
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