aqhome apps: more work on transition to events2.

apps/aqhome-mqttlog/s_setdata.c

@@ -0,0 +1,171 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2025 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "./s_setdata.h"
+#include "./server_p.h"
+#include "aqhome/data/value.h"
+#include "aqhome/msg/ipc/data/m_ipcd_setdata.h"
+#include "aqhome/msg/mqtt/m_mqtt_publish.h"
+#include "aqhome/ipc2/endpoint.h"
+
+#include <gwenhywfar/debug.h>
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * forward declarations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+static void _sendDataForDevice(AQH_MQTTLOG_SERVER *xo, const AQHMQTT_DEVICE *device,
+                               const char *valueName, const char *valueData);
+static void _sendValueToMqtt(AQH_MQTTLOG_SERVER *xo, const char *deviceId,
+                             const AQHMQTT_TOPIC *topic, const char *valueData);
+static GWEN_BUFFER *_createBufferForTopic(const char *deviceId, const AQHMQTT_TOPIC *topic);
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * implementations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+void AQH_MqttLogServer_HandleSetData(AQH_OBJECT *o,
+                                     const AQH_MESSAGE *msg,
+                                     const GWEN_TAG16_LIST *tagList)
+{
+  if (o && msg) {
+    AQH_MQTTLOG_SERVER *xo;
+
+    xo=AQH_MqttLogServer_GetServerData(o);
+    if (xo) {
+      AQH_VALUE *recvdValue;
+    
+      DBG_ERROR(NULL, "Received SETDATA request");
+      recvdValue=AQH_IpcdMessageSetData_ReadValue(tagList);
+      if (recvdValue) {
+        const char *valueName;
+        const char *deviceName;
+    
+        valueName=recvdValue?AQH_Value_GetName(recvdValue):NULL;
+        deviceName=recvdValue?AQH_Value_GetDeviceName(recvdValue):NULL;
+        if (valueName && deviceName) {
+          AQHMQTT_DEVICE *device;
+    
+          device=AQH_MqttLogServer_FindRegisteredDevice(o, deviceName);
+          if (device) {
+            char *valueDataFreeable;
+    
+            DBG_ERROR(NULL, "Sending data to value \"%s\" of device \"%s\"", valueName, deviceName);
+            valueDataFreeable=AQH_IpcdMessageSetData_ReadData(tagList);
+            _sendDataForDevice(xo, device, valueName, valueDataFreeable);
+            free(valueDataFreeable);
+          }
+          else {
+            DBG_ERROR(NULL, "Device \"%s\" not found", deviceName);
+            AQH_MqttLogServer_DumpRegisteredDevices(o);
+          }
+        }
+        else {
+          DBG_ERROR(NULL, "Either value name or device name missing in request");
+        }
+        AQH_Value_free(recvdValue);
+      }
+      else {
+        DBG_ERROR(NULL, "Request does not contain a value object");
+      }
+    }
+  }
+}
+
+
+
+void _sendDataForDevice(AQH_MQTTLOG_SERVER *xo,
+                        const AQHMQTT_DEVICE *device,
+                        const char *valueName, const char *valueData)
+{
+  const char *deviceId;
+
+  deviceId=AQHMQTT_Device_GetId(device);
+  if (deviceId && *deviceId) {
+    AQHMQTT_TOPIC_LIST *topicList;
+
+    topicList=AQHMQTT_Device_GetTopicList(device);
+    if (topicList) {
+      AQHMQTT_TOPIC *topic;
+
+      topic=AQHMQTT_Topic_List_First(topicList);
+      while(topic) {
+        if (AQHMQTT_Topic_GetDirection(topic)==AQHMQTT_TopicDir_Out) {
+          AQHMQTT_VALUE_LIST *valueList;
+          AQHMQTT_VALUE *value;
+
+          valueList=AQHMQTT_Topic_GetValueList(topic);
+          value=valueList?AQHMQTT_Value_List_GetByName(valueList, valueName):NULL;
+          if (value) {
+            /* found value, create publish msg, send */
+            DBG_ERROR(NULL, "Topic \"%s\" contains value \"%s\"", AQHMQTT_Topic_GetName(topic), valueName);
+            _sendValueToMqtt(xo, deviceId, topic, valueData);
+          }
+        } /* if out */
+        topic=AQHMQTT_Topic_List_Next(topic);
+      } /* while topic */
+    }
+  }
+  else {
+    DBG_ERROR(NULL, "Device has no id");
+  }
+}
+
+
+
+void _sendValueToMqtt(AQH_MQTTLOG_SERVER *xo,  const char *deviceId, const AQHMQTT_TOPIC *topic, const char *valueData)
+{
+  GWEN_BUFFER *buf;
+  AQH_MESSAGE *msgOut;
+
+  buf=_createBufferForTopic(deviceId, topic);
+  DBG_ERROR(NULL, "MQTT PUBLISH: %s = %s", GWEN_Buffer_GetStart(buf), valueData?valueData:"<empty>");
+  msgOut=AQH_MqttMessagePublish_new(0, 0, GWEN_Buffer_GetStart(buf),
+                                    (const uint8_t*) (valueData?valueData:NULL),
+                                    valueData?strlen(valueData):0);
+  if (msgOut)
+    AQH_Endpoint_AddMsgOut(xo->mqttEndpoint, msgOut);
+  else {
+    DBG_ERROR(NULL, "Error creating message");
+  }
+  GWEN_Buffer_free(buf);
+}
+
+
+
+GWEN_BUFFER *_createBufferForTopic(const char *deviceId, const AQHMQTT_TOPIC *topic)
+{
+  GWEN_BUFFER *buf;
+  const char *s;
+
+  buf=GWEN_Buffer_new(0, 256, 0, 1);
+  s=AQHMQTT_Topic_GetBeforeId(topic);
+  if (s && *s)
+    GWEN_Buffer_AppendString(buf, s);
+  GWEN_Buffer_AppendString(buf, deviceId);
+  s=AQHMQTT_Topic_GetAfterId(topic);
+  if (s && *s)
+    GWEN_Buffer_AppendString(buf, s);
+  return buf;
+}
+
+
+
+
+
+