279 lines
7.6 KiB
C
279 lines
7.6 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 "./loop.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_values.h"
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#include "aqhome/ipc/msg_ipc_result.h"
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#include <gwenhywfar/gwenhywfar.h>
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#include <gwenhywfar/args.h>
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#include <gwenhywfar/debug.h>
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#include <gwenhywfar/endpoint_tcpd.h>
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#include <gwenhywfar/msg_ipc.h>
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/* ------------------------------------------------------------------------------------------------
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* defines
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* ------------------------------------------------------------------------------------------------
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*/
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#define AQHOMEDATA_VALUESPERMSG 10
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/* ------------------------------------------------------------------------------------------------
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* forward declarations
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* ------------------------------------------------------------------------------------------------
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*/
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static void _readAndHandleIpcMessages(AQHOME_DATA *aqh);
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static void _handleIpcEndpoint(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep);
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static void _handleIpcMsg(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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static void _handleGetValues(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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static void _sendValueList(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE_LIST *vl, uint32_t flags);
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static void _handleAddValue(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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static void _handleEditValues(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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static void _handleAddDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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static void _handleGetDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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static void _handleGetLastDataPoint(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg);
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/* ------------------------------------------------------------------------------------------------
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* implementations
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* ------------------------------------------------------------------------------------------------
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*/
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void AqHomeData_Loop(AQHOME_DATA *aqh, int timeoutInMsecs)
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{
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if (aqh) {
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GWEN_MsgEndpoint_ChildrenIoLoop(aqh->ipcdEndpoint, timeoutInMsecs);
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_readAndHandleIpcMessages(aqh);
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}
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}
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int AqHomeData_WriteStorageIfChanged(AQHOME_DATA *aqh)
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{
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if (AQH_Storage_GetRuntimeFlags(aqh->storage) & AQH_STORAGE_RTFLAGS_MODIFIED) {
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int rv;
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DBG_INFO(NULL, "Storage modified, writing statefile");
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rv=AqHomeData_LockStorage(aqh);
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if (rv<0) {
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DBG_INFO(NULL, "Error locking storage (%d)", rv);
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return rv;
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}
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rv=AQH_Storage_WriteState(aqh->storage);
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if (rv<0) {
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DBG_INFO(NULL, "Error writing state file (%d)", rv);
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AqHomeData_UnlockStorage(aqh);
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return rv;
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}
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rv=AqHomeData_UnlockStorage(aqh);
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if (rv<0) {
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DBG_INFO(NULL, "Error unlocking storage (%d)", rv);
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return rv;
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}
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}
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return 0;
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}
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void _readAndHandleIpcMessages(AQHOME_DATA *aqh)
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{
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if (aqh->ipcdEndpoint) {
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GWEN_MSG_ENDPOINT *ep;
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ep=GWEN_MsgEndpoint_Tree2_GetFirstChild(aqh->ipcdEndpoint);
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while(ep) {
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_handleIpcEndpoint(aqh, ep);
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ep=GWEN_MsgEndpoint_Tree2_GetNext(ep);
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}
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}
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}
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void _handleIpcEndpoint(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep)
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{
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GWEN_MSG *msg;
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while( (msg=GWEN_MsgEndpoint_TakeFirstReceivedMessage(ep)) ) {
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_handleIpcMsg(aqh, ep, msg);
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GWEN_Msg_free(msg);
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}
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}
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void _handleIpcMsg(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg)
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{
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uint16_t code;
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/* exec IPC message */
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code=GWEN_IpcMsg_GetCode(msg);
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DBG_ERROR(AQH_LOGDOMAIN, "Received IPC packet %d", (int) code);
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switch(code) {
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case AQH_MSGTYPE_IPC_DATA_GETVALUES_REQ: _handleGetValues(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_ADDVALUES_REQ: _handleAddValue(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_EDITVALUE_REQ: _handleEditValues(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_ADDDATAPOINTS_REQ: _handleAddDataPoints(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_GETDATAPOINTS_REQ: _handleGetDataPoints(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_GETLASTDATAPOINT_REQ: _handleGetLastDataPoint(aqh, ep, msg); break;
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default: break;
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}
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}
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void _handleGetValues(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg)
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{
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const AQH_VALUE_LIST *origValueList;
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origValueList=AQH_Storage_GetValueList(aqh->storage);
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if (origValueList) {
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if (AQH_Value_List_GetCount(origValueList)<AQHOMEDATA_VALUESPERMSG)
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_sendValueList(aqh, ep, origValueList, AQH_MSGDATA_VALUES_FLAGS_LASTMSG);
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else {
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AQH_VALUE_LIST *tmpValueList;
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const AQH_VALUE *v;
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tmpValueList=AQH_Value_List_new();
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v=AQH_Value_List_First(origValueList);
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while(v) {
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const AQH_VALUE *next;
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AQH_VALUE *copyOfValue;
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next=AQH_Value_List_Next(v);
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copyOfValue=AQH_Value_dup(v);
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AQH_Value_List_Add(copyOfValue, tmpValueList);
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if (AQH_Value_List_GetCount(tmpValueList)>=AQHOMEDATA_VALUESPERMSG) {
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_sendValueList(aqh, ep, tmpValueList, next?0:AQH_MSGDATA_VALUES_FLAGS_LASTMSG);
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AQH_Value_List_Clear(tmpValueList);
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}
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v=next;
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}
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if (AQH_Value_List_GetCount(tmpValueList))
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_sendValueList(aqh, ep, tmpValueList, AQH_MSGDATA_VALUES_FLAGS_LASTMSG); /* send remaining */
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AQH_Value_List_free(tmpValueList);
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}
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}
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else {
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/* empty list */
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_sendValueList(aqh, ep, NULL, AQH_MSGDATA_VALUES_FLAGS_LASTMSG);
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}
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}
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void _sendValueList(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE_LIST *vl, uint32_t flags)
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{
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GWEN_MSG *msg;
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msg=AQH_ValuesDataIpcMsg_new(AQH_MSGTYPE_IPC_DATA_GETVALUES_RSP, flags, vl);
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GWEN_MsgEndpoint_AddSendMessage(ep, msg);
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}
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void _handleAddValue(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=0;
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if (AQH_ValuesDataIpcMsg_IsValid(recvdMsg)) {
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uint32_t numValues;
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numValues=AQH_ValuesDataIpcMsg_GetNumValues(recvdMsg);
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if (numValues==1) {
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const char *s;
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s=AQH_ValuesDataIpcMsg_GetValueName(recvdMsg, 0);
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if (s && *s) {
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if (AQH_Storage_GetValueByName(aqh->storage, s)==NULL) {
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AQH_VALUE *v;
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v=AQH_Value_new();
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AQH_Value_SetName(v, s);
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s=AQH_ValuesDataIpcMsg_GetValueUnits(recvdMsg, 0);
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if (s && *s)
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AQH_Value_SetValueUnits(v, s);
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DBG_INFO(NULL, "Adding value \"%s\"", s);
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AQH_Storage_AddValue(aqh->storage, v);
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resultCode=AQH_MSG_IPC_SUCCESS;
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}
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else {
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DBG_INFO(NULL, "Value \"%s\" already exists", s);
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resultCode=AQH_MSG_IPC_ERROR_EXISTS;
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}
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}
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else {
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DBG_INFO(NULL, "Value without name ");
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resultCode=AQH_MSG_IPC_ERROR_INVALID;
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}
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}
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else {
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DBG_INFO(NULL, "Invalid number of values in message (%d)", numValues);
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resultCode=AQH_MSG_IPC_ERROR_INVALID;
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}
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}
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else {
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DBG_INFO(NULL, "Invalid message received");
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resultCode=AQH_MSG_IPC_ERROR_BADDATA;
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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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void _handleEditValues(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg)
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{
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}
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void _handleAddDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg)
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{
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}
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void _handleGetDataPoints(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg)
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{
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}
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void _handleGetLastDataPoint(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const GWEN_MSG *msg)
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{
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}
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