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Condensed functions for GetDataPoints to only use one.

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Keep HandleGetLastData for now (for older clients).
This commit is contained in:
Martin Preuss
2023-10-18 15:27:53 +02:00
parent a3f866f69c
commit f0cfbfccc4
8 changed files with 183 additions and 31 deletions
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104
apps/aqhome-data/c_getdatapoints.c
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@@ -30,7 +30,7 @@
*/
#define AQHOMEDATA_HANDLEGETDATAPOINTS_MAXTABLEENTRIES 2048
#define AQHOMEDATA_HANDLEGETDATAPOINTS_MAXDATAPOINTS 1024
/* ------------------------------------------------------------------------------------------------
@@ -38,7 +38,13 @@
* ------------------------------------------------------------------------------------------------
*/
static int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd);
static int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep,
const AQH_VALUE *value,
uint64_t tsBegin, uint64_t tsEnd, uint64_t num);
static int _getAndSendDataPointsNoNum(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd);
static int _getAndSendDataPointsWithNum(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t num);
static void _sendDataPointsResponse(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, const uint64_t *tablePtr);
static void _getAndSendLastDatapoint(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value);
@@ -58,15 +64,17 @@ void AqHomeData_HandleGetDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, GWE
char *valueName;
uint64_t tsBegin;
uint64_t tsEnd;
uint64_t numRequested;
AQH_GetDataDataIpcMsg_Parse(recvdMsg, 0);
valueName=AQH_Tag16IpcMsg_GetTagDataAsNewString(recvdMsg, AQH_MSGDATA_GETDATA_TAGS_NAME, NULL);
tsBegin=AQH_Tag16IpcMsg_GetTagDataAsUint64(recvdMsg, AQH_MSGDATA_GETDATA_TAGS_BEGIN, 0);
tsEnd=AQH_Tag16IpcMsg_GetTagDataAsUint64(recvdMsg, AQH_MSGDATA_GETDATA_TAGS_END, 0);
numRequested=AQH_Tag16IpcMsg_GetTagDataAsUint64(recvdMsg, AQH_MSGDATA_GETDATA_TAGS_NUM, 0);
value=AQH_Storage_GetValueByNameForSystem(aqh->storage, valueName);
if (value) {
resultCode=_getAndSendDataPoints(aqh, ep, value, tsBegin, tsEnd);
resultCode=_getAndSendDataPoints(aqh, ep, value, tsBegin, tsEnd, numRequested);
if (resultCode==AQH_MSG_IPC_SUCCESS)
return;
}
@@ -87,23 +95,29 @@ void AqHomeData_HandleGetDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, GWE
int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd)
int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd, uint64_t num)
{
if (num==0)
return _getAndSendDataPointsNoNum(aqh, ep, value, tsBegin, tsEnd);
else if (num==1) {
_getAndSendLastDatapoint(aqh, ep, value);
return AQH_MSG_IPC_SUCCESS;
}
else
return _getAndSendDataPointsWithNum(aqh, ep, value, num);
}
int _getAndSendDataPointsNoNum(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t tsBegin, uint64_t tsEnd)
{
uint64_t valueId;
uint64_t *tablePtr;
valueId=AQH_Value_GetId(value);
tablePtr=AQH_Storage_GetDataPoints(aqh->storage, valueId, tsBegin, tsEnd, AQHOMEDATA_HANDLEGETDATAPOINTS_MAXTABLEENTRIES);
if (tablePtr) {
int numTableEntries;
int numDataPoints;
GWEN_MSG *outMsg;
numTableEntries=(int)(tablePtr[0]);
numDataPoints=numTableEntries/2;
outMsg=AQH_MultiDataDataIpcMsg_new(AQH_MSGTYPE_IPC_DATA_GETDATA_RSP, value, &(tablePtr[1]), numDataPoints);
GWEN_MsgEndpoint_AddSendMessage(ep, outMsg);
_sendDataPointsResponse(aqh, ep, value, tablePtr);
free(tablePtr);
return AQH_MSG_IPC_SUCCESS;
}
@@ -115,6 +129,70 @@ int _getAndSendDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VAL
int _getAndSendDataPointsWithNum(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, uint64_t num)
{
uint64_t valueId;
uint64_t *tablePtr;
if (num>AQHOMEDATA_HANDLEGETDATAPOINTS_MAXDATAPOINTS)
num=AQHOMEDATA_HANDLEGETDATAPOINTS_MAXDATAPOINTS;
valueId=AQH_Value_GetId(value);
tablePtr=AQH_Storage_GetLastNDataPoints(aqh->storage, valueId, num);
if (tablePtr) {
_sendDataPointsResponse(aqh, ep, value, tablePtr);
free(tablePtr);
return AQH_MSG_IPC_SUCCESS;
}
else {
DBG_INFO(NULL, "No matching datapoints for value \"%s\"", AQH_Value_GetNameForSystem(value));
return AQH_MSG_IPC_ERROR_NODATA;
}
}
void _sendDataPointsResponse(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value, const uint64_t *tablePtr)
{
int numTableEntries;
int numDataPoints;
GWEN_MSG *outMsg;
numTableEntries=(int)(tablePtr[0]);
numDataPoints=numTableEntries/2;
outMsg=AQH_MultiDataDataIpcMsg_new(AQH_MSGTYPE_IPC_DATA_GETDATA_RSP, value, &(tablePtr[1]), numDataPoints);
GWEN_MsgEndpoint_AddSendMessage(ep, outMsg);
}
void _getAndSendLastDatapoint(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE *value)
{
GWEN_MSG *outMsg;
int resultCode=AQH_MSG_IPC_SUCCESS;
int rv;
uint64_t timestamp=0;
double data=0.0;
rv=AQH_Storage_GetLastDataPoint(aqh->storage, AQH_Value_GetId(value), &timestamp, &data);
if (rv<0) {
switch(rv) {
case GWEN_ERROR_INVALID: resultCode=AQH_MSG_IPC_ERROR_INVALID; break;
case GWEN_ERROR_NO_DATA: resultCode=AQH_MSG_IPC_ERROR_NODATA; break;
default: resultCode=AQH_MSG_IPC_ERROR_GENERIC; break;
}
}
else {
outMsg=AQH_MultiDataDataIpcMsg_newForOne(AQH_MSGTYPE_IPC_DATA_GETDATA_RSP, value, timestamp, data);
GWEN_MsgEndpoint_AddSendMessage(ep, outMsg);
return;
}
outMsg=AQH_ResultIpcMsg_new(AQH_MSGTYPE_IPC_DATA_RESULT, resultCode);
GWEN_MsgEndpoint_AddSendMessage(ep, outMsg);
}