251 lines
8.2 KiB
C
251 lines
8.2 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 "./loop.h"
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#include "./c_connect.h"
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#include "./c_updatedata.h"
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#include "./c_getdatapoints.h"
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#include "./c_getlastdatapoint.h"
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#include "./c_getvalues.h"
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#include "./c_getdevices.h"
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#include "./c_setdata.h"
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#include "./c_addvalue.h"
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#include "./c_annvalue.h"
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#include "./c_moddevice.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/data/msg_data_datapoints.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 <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 DISABLE_DEBUGLOG
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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, GWEN_MSG *msg);
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static AQH_DEVICE *_getOrCreateDeviceForDriver(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *epDriver, const char *nameForDriver);
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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_IoLoop(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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AQH_VALUE *AqHomeData_GetOrCreateValueForDriverWithTemplate(AQHOME_DATA *aqh,
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GWEN_MSG_ENDPOINT *epDriver,
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const AQH_VALUE *valueTemplate)
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{
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const char *serviceName;
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AQH_VALUE *v;
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GWEN_BUFFER *buf;
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const char *valueName;
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const char *deviceName;
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serviceName=AQH_IpcEndpoint_GetServiceName(epDriver);
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valueName=AQH_Value_GetName(valueTemplate);
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deviceName=AQH_Value_GetDeviceName(valueTemplate);
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buf=GWEN_Buffer_new(0, 256, 0, 1);
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if (deviceName && *deviceName)
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GWEN_Buffer_AppendArgs(buf, "%s/%s/%s", (serviceName && *serviceName)?serviceName:"unknown", deviceName, valueName);
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else
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GWEN_Buffer_AppendArgs(buf, "%s/%s", (serviceName && *serviceName)?serviceName:"unknown", valueName);
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v=AQH_Storage_GetValueByNameForSystem(aqh->storage, GWEN_Buffer_GetStart(buf));
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if (v==NULL) {
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if (AQH_IpcEndpoint_GetPermissions(epDriver) & AQH_IPCENDPOINT_PERMS_ADDVALUE) {
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AQH_DEVICE *device;
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DBG_INFO(AQH_LOGDOMAIN, "Creating value \"%s\"", GWEN_Buffer_GetStart(buf));
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device=(deviceName && *deviceName)?_getOrCreateDeviceForDriver(aqh, epDriver, deviceName):NULL;
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v=AQH_Value_new();
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AQH_Value_SetDriver(v, serviceName);
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AQH_Value_SetName(v, AQH_Value_GetName(valueTemplate));
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AQH_Value_SetNameForSystem(v, GWEN_Buffer_GetStart(buf));
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AQH_Value_SetValueUnits(v, AQH_Value_GetValueUnits(valueTemplate));
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AQH_Value_SetValueType(v, AQH_Value_GetValueType(valueTemplate));
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AQH_Value_SetModality(v, AQH_Value_GetModality(valueTemplate));
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AQH_Value_SetTimestampCreation(v, (uint64_t) time(NULL));
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if (device) {
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AQH_Value_SetDeviceNameForSystem(v, AQH_Device_GetNameForSystem(device));
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AQH_Value_SetDeviceName(v, AQH_Device_GetName(device));
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}
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AQH_Storage_AddValue(aqh->storage, v);
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}
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else {
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DBG_ERROR(AQH_LOGDOMAIN, "No permissions to create value \"%s\"", GWEN_Buffer_GetStart(buf));
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GWEN_Buffer_free(buf);
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return NULL;
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}
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}
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GWEN_Buffer_free(buf);
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return v;
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}
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AQH_DEVICE *_getOrCreateDeviceForDriver(AQHOME_DATA *aqh, GWEN_MSG_ENDPOINT *epDriver, const char *deviceName)
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{
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const char *serviceName;
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AQH_DEVICE *device;
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GWEN_BUFFER *buf;
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serviceName=AQH_IpcEndpoint_GetServiceName(epDriver);
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buf=GWEN_Buffer_new(0, 256, 0, 1);
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GWEN_Buffer_AppendArgs(buf, "%s/%s", (serviceName && *serviceName)?serviceName:"unknown", deviceName);
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device=AQH_Storage_GetDeviceByNameForSystem(aqh->storage, GWEN_Buffer_GetStart(buf));
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if (device==NULL) {
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if (AQH_IpcEndpoint_GetPermissions(epDriver) & AQH_IPCENDPOINT_PERMS_ADDDEVICE) {
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DBG_INFO(AQH_LOGDOMAIN, "Creating device \"%s\"", GWEN_Buffer_GetStart(buf));
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device=AQH_Device_new();
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AQH_Device_SetDriver(device, serviceName);
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AQH_Device_SetName(device, deviceName);
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AQH_Device_SetNameForSystem(device, GWEN_Buffer_GetStart(buf));
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AQH_Device_SetTimestampCreation(device, (uint64_t) time(NULL));
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AQH_Storage_AddDevice(aqh->storage, device);
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}
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else {
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DBG_ERROR(AQH_LOGDOMAIN, "No permissions to create device \"%s\"", GWEN_Buffer_GetStart(buf));
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GWEN_Buffer_free(buf);
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return NULL;
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}
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}
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GWEN_Buffer_free(buf);
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return device;
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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, GWEN_MSG *msg)
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{
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uint16_t code;
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uint8_t protoId;
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/* exec IPC message */
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code=GWEN_IpcMsg_GetCode(msg);
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protoId=GWEN_IpcMsg_GetProtoId(msg);
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if (protoId==AQH_IPC_PROTOCOL_DATA_ID) {
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DBG_DEBUG(AQH_LOGDOMAIN, "Received IPC packet %d (%x)", (int) code, code);
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switch(code) {
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case AQH_MSGTYPE_IPC_DATA_CONNECT_REQ: AqHomeData_HandleConnect(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_UPDATEDATA: AqHomeData_HandleUpdateData(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_GETVALUES_REQ: AqHomeData_HandleGetValues(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_GETDATA_REQ: AqHomeData_HandleGetDataPoints(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_GETLASTDATA_REQ: AqHomeData_HandleGetLastDataPoint(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_SETDATA: AqHomeData_HandleSetData(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_ADDVALUE: AqHomeData_HandleAddValue(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_ANNOUNCEVALUE: AqHomeData_HandleAnnounceValue(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_GETDEVICES_REQ: AqHomeData_HandleGetDevices(aqh, ep, msg); break;
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case AQH_MSGTYPE_IPC_DATA_MODDEVICE_REQ: AqHomeData_HandleModDevice(aqh, ep, msg); break;
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default: break;
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}
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}
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else {
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DBG_ERROR(NULL, "Invalid IPC protocol %d (%02x)", protoId, protoId);
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}
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}
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