Heavy work on IPC.
We will now have a broker (aqhome-data) which stores data and distributes value change messages among connected clients. aqhomed will connect to that broker and send its values there. aqhome-mqtt will also connect to the broker and send its values there. Other clients can later connect to check for changes and react according to rules.
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96
apps/aqhome-data/c_getvalues.c
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96
apps/aqhome-data/c_getvalues.c
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/****************************************************************************
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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_getvalues.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/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_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 _sendValueList(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *ep, const AQH_VALUE_LIST *vl, uint32_t flags);
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/* ------------------------------------------------------------------------------------------------
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* implementations
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* ------------------------------------------------------------------------------------------------
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*/
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void AqHomeData_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, 1);
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GWEN_MsgEndpoint_AddSendMessage(ep, msg);
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}
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