Improved mqttlog daemaon: persistent registered devices.
This commit is contained in:
Martin Preuss
249
apps/aqhome-mqttlog/xmlwrite.c
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249
apps/aqhome-mqttlog/xmlwrite.c
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/****************************************************************************
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* This file is part of the project AqHome.
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* AqHome (c) by 2024 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 "./xmlwrite.h"
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#include "./aqhome_mqtt_p.h"
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#include "aqhome-mqttlog/types/topic.h"
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#include "aqhome-mqttlog/types/value.h"
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#include "aqhome-mqttlog/types/translation.h"
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#include <aqhome/api.h>
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#include <aqhome/aqhome.h>
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#include <gwenhywfar/endpoint_multilayer.h>
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#include <gwenhywfar/text.h>
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#include <gwenhywfar/xml.h>
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#include <gwenhywfar/directory.h>
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#include <gwenhywfar/debug.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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/* ------------------------------------------------------------------------------------------------
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* forward declarations
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* ------------------------------------------------------------------------------------------------
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*/
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static void _writeDevicesToXml(const AQHMQTT_DEVICE_LIST *deviceList, GWEN_XMLNODE *node);
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static void _writeDeviceToXml(const AQHMQTT_DEVICE *device, GWEN_XMLNODE *node);
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static void _writeTopicToXml(const AQHMQTT_TOPIC *topic, GWEN_XMLNODE *node);
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static void _writeValueToXml(const AQHMQTT_VALUE *value, GWEN_XMLNODE *node);
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static void _writeTranslationToXml(const AQHMQTT_TRANSLATION *t, GWEN_XMLNODE *nTranslation);
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static void _setXmlPropertyIfNotNull(GWEN_XMLNODE *n, const char *name, const char *value);
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static void _setXmlCharValueIfNotNull(GWEN_XMLNODE *n, const char *name, const char *value);
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/* ------------------------------------------------------------------------------------------------
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* implementations
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* ------------------------------------------------------------------------------------------------
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*/
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int AqHomeMqttLog_WriteDevicesFile(AQHOME_MQTT *aqh, const AQHMQTT_DEVICE_LIST *deviceList, const char *sFilename)
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{
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int rv;
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rv=GWEN_Directory_GetPath(sFilename, GWEN_PATH_FLAGS_CHECKROOT | GWEN_PATH_FLAGS_VARIABLE);
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if (rv<0) {
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DBG_ERROR(NULL, "Could not access file \"%s\"", sFilename);
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return GWEN_ERROR_GENERIC;
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}
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else {
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GWEN_XMLNODE *rootNode;
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GWEN_BUFFER *nbuf;
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rootNode=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "root");
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_writeDevicesToXml(deviceList, rootNode);
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nbuf=GWEN_Buffer_new(0, 256, 0, 1);
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GWEN_Buffer_AppendString(nbuf, sFilename);
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GWEN_Buffer_AppendString(nbuf, ".tmp");
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unlink(GWEN_Buffer_GetStart(nbuf));
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rv=GWEN_XMLNode_WriteFile(rootNode,
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GWEN_Buffer_GetStart(nbuf),
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GWEN_XML_FLAGS_SIMPLE | GWEN_XML_FLAGS_HANDLE_HEADERS | GWEN_XML_FLAGS_INDENT);
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if (rv<0) {
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DBG_ERROR(AQH_LOGDOMAIN, "Error writing XML file \"%s\": %d", GWEN_Buffer_GetStart(nbuf), rv);
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GWEN_Buffer_free(nbuf);
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GWEN_XMLNode_free(rootNode);
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return rv;
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}
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if (rename(GWEN_Buffer_GetStart(nbuf), sFilename)<0) {
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DBG_ERROR(AQH_LOGDOMAIN, "Error renaming \"%s\"->\"%s\": %d (%s)",
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GWEN_Buffer_GetStart(nbuf), sFilename, errno, strerror(errno));
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GWEN_Buffer_free(nbuf);
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GWEN_XMLNode_free(rootNode);
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return rv;
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}
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GWEN_Buffer_free(nbuf);
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GWEN_XMLNode_free(rootNode);
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return 0;
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}
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}
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void _writeDevicesToXml(const AQHMQTT_DEVICE_LIST *deviceList, GWEN_XMLNODE *node)
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{
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if (deviceList && AQHMQTT_Device_List_GetCount(deviceList)) {
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GWEN_XMLNODE *nDevices;
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const AQHMQTT_DEVICE *device;
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nDevices=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "devices");
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device=AQHMQTT_Device_List_First(deviceList);
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while(device) {
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GWEN_XMLNODE *nDevice;
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nDevice=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "device");
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_writeDeviceToXml(device, nDevice);
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GWEN_XMLNode_AddChild(nDevices, nDevice);
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device=AQHMQTT_Device_List_Next(device);
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}
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GWEN_XMLNode_AddChild(node, nDevices);
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}
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}
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void _writeDeviceToXml(const AQHMQTT_DEVICE *device, GWEN_XMLNODE *node)
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{
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const AQHMQTT_TOPIC_LIST *topicList;
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_setXmlPropertyIfNotNull(node, "id", AQHMQTT_Device_GetId(device));
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_setXmlPropertyIfNotNull(node, "name", AQHMQTT_Device_GetName(device));
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_setXmlPropertyIfNotNull(node, "driver", AQHMQTT_Device_GetDriver(device));
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topicList=AQHMQTT_Device_GetTopicList(device);
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if (topicList && AQHMQTT_Topic_List_GetCount(topicList)) {
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GWEN_XMLNODE *nTopics;
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const AQHMQTT_TOPIC *topic;
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nTopics=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "mqtttopics");
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topic=AQHMQTT_Topic_List_First(topicList);
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while(topic) {
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GWEN_XMLNODE *nTopic;
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nTopic=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "mqtttopic");
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_writeTopicToXml(topic, nTopic);
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GWEN_XMLNode_AddChild(nTopics, nTopic);
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topic=AQHMQTT_Topic_List_Next(topic);
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}
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GWEN_XMLNode_AddChild(node, nTopics);
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}
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}
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void _writeTopicToXml(const AQHMQTT_TOPIC *topic, GWEN_XMLNODE *node)
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{
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const AQHMQTT_VALUE_LIST *valueList;
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GWEN_XMLNode_SetProperty(node, "type", AQHMQTT_TopicType_toString(AQHMQTT_Topic_GetTopicType(topic)));
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GWEN_XMLNode_SetProperty(node, "direction", AQHMQTT_TopicDir_toString(AQHMQTT_Topic_GetDirection(topic)));
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_setXmlPropertyIfNotNull(node, "name", AQHMQTT_Topic_GetName(topic));
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_setXmlCharValueIfNotNull(node, "topic", AQHMQTT_Topic_GetTopic(topic));
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_setXmlCharValueIfNotNull(node, "mask", AQHMQTT_Topic_GetMask(topic));
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_setXmlCharValueIfNotNull(node, "beforeId", AQHMQTT_Topic_GetBeforeId(topic));
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_setXmlCharValueIfNotNull(node, "afterId", AQHMQTT_Topic_GetAfterId(topic));
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valueList=AQHMQTT_Topic_GetValueList(topic);
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if (valueList && AQHMQTT_Value_List_GetCount(valueList)) {
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GWEN_XMLNODE *nValues;
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const AQHMQTT_VALUE *value;
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nValues=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "values");
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value=AQHMQTT_Value_List_First(valueList);
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while(value) {
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GWEN_XMLNODE *nValue;
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nValue=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "value");
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_writeValueToXml(value, nValue);
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GWEN_XMLNode_AddChild(nValues, nValue);
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value=AQHMQTT_Value_List_Next(value);
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}
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GWEN_XMLNode_AddChild(node, nValues);
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}
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}
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void _writeValueToXml(const AQHMQTT_VALUE *value, GWEN_XMLNODE *node)
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{
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const AQHMQTT_TRANSLATION_LIST *translationList;
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_setXmlPropertyIfNotNull(node, "name", AQHMQTT_Value_GetName(value));
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_setXmlPropertyIfNotNull(node, "units", AQHMQTT_Value_GetValueUnits(value));
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_setXmlPropertyIfNotNull(node, "path", AQHMQTT_Value_GetPath(value));
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GWEN_XMLNode_SetProperty(node, "type", AQHMQTT_ValueType_toString(AQHMQTT_Value_GetValueType(value)));
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translationList=AQHMQTT_Value_GetTranslationList(value);
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if (translationList && AQHMQTT_Translation_List_GetCount(translationList)) {
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GWEN_XMLNODE *nTranslations;
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const AQHMQTT_TRANSLATION *translation;
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nTranslations=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "translations");
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translation=AQHMQTT_Translation_List_First(translationList);
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while(translation) {
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GWEN_XMLNODE *nTranslation;
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nTranslation=GWEN_XMLNode_new(GWEN_XMLNodeTypeTag, "transaction");
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_writeTranslationToXml(translation, nTranslation);
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GWEN_XMLNode_AddChild(nTranslations, nTranslation);
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translation=AQHMQTT_Translation_List_Next(translation);
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}
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GWEN_XMLNode_AddChild(node, nTranslations);
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}
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}
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void _writeTranslationToXml(const AQHMQTT_TRANSLATION *t, GWEN_XMLNODE *nTranslation)
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{
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_setXmlPropertyIfNotNull(nTranslation, "aqhValue", AQHMQTT_Translation_GetAqhValue(t));
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_setXmlPropertyIfNotNull(nTranslation, "driverValue", AQHMQTT_Translation_GetDriverValue(t));
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}
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void _setXmlPropertyIfNotNull(GWEN_XMLNODE *n, const char *name, const char *value)
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{
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if (value && *value)
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GWEN_XMLNode_SetProperty(n, name, value);
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}
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void _setXmlCharValueIfNotNull(GWEN_XMLNODE *n, const char *name, const char *value)
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{
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if (value && *value)
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GWEN_XMLNode_SetCharValue(n, name, value);
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}
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