aqhome-mqttlog: Implemented SETDATA.

apps/aqhome-mqttlog/c_setdata.c

@@ -0,0 +1,160 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2024 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 "./c_setdata.h"
+#include "aqhome/data/value.h"
+#include "aqhome/ipc/data/msg_data_set.h"
+#include "aqhome/mqtt/msg_mqtt_publish.h"
+
+#include <gwenhywfar/debug.h>
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * forward declarations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+static void _sendDataForDevice(AQHOME_MQTT *aqh, const AQHMQTT_DEVICE *device, const char *valueName, const char *valueData);
+static void _sendValueToMqtt(AQHOME_MQTT *aqh, const char *deviceId, const AQHMQTT_TOPIC *topic, const char *valueData);
+static GWEN_BUFFER *_createBufferForTopic(const char *deviceId, const AQHMQTT_TOPIC *topic);
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * implementations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+void AqHomeMqttLog_HandleSetData(AQHOME_MQTT *aqh, GWEN_MSG_ENDPOINT *ep, GWEN_MSG *recvdMsg)
+{
+  AQH_VALUE *recvdValue;
+
+  DBG_ERROR(NULL, "Received SETDATA request");
+  recvdValue=AQH_SetDataIpcMsg_ReadValue(recvdMsg);
+  if (recvdValue) {
+    const char *valueName;
+    const char *deviceName;
+
+    valueName=recvdValue?AQH_Value_GetNameForSystem(recvdValue):NULL;
+    deviceName=recvdValue?AQH_Value_GetDeviceName(recvdValue):NULL;
+    if (deviceName) {
+      AQHMQTT_DEVICE *device;
+
+      device=AqHomeMqtt_FindRegisteredDevice(aqh, deviceName);
+      if (device) {
+        char *valueDataFreeable;
+
+        valueDataFreeable=AQH_SetDataIpcMsg_ReadData(recvdMsg);
+        _sendDataForDevice(aqh, device, valueName, valueDataFreeable);
+        free(valueDataFreeable);
+      }
+      else {
+        DBG_ERROR(NULL, "Device \"%s\" not found", deviceName);
+      }
+    }
+    else {
+      DBG_ERROR(NULL, "Request does not contain a device name");
+    }
+    AQH_Value_free(recvdValue);
+  }
+  else {
+    DBG_ERROR(NULL, "Request does not contain a value object");
+  }
+}
+
+
+
+void _sendDataForDevice(AQHOME_MQTT *aqh, 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 */
+            _sendValueToMqtt(aqh, deviceId, topic, valueData);
+          }
+        } /* if out */
+        topic=AQHMQTT_Topic_List_Next(topic);
+      } /* while topic */
+    }
+  }
+  else {
+    DBG_ERROR(NULL, "Device has no id");
+  }
+}
+
+
+
+void _sendValueToMqtt(AQHOME_MQTT *aqh, const char *deviceId, const AQHMQTT_TOPIC *topic, const char *valueData)
+{
+  GWEN_MSG_ENDPOINT *ep;
+  GWEN_BUFFER *buf;
+  GWEN_MSG *msgOut;
+
+  ep=AqHomeMqtt_GetMqttEndpoint(aqh);
+  buf=_createBufferForTopic(deviceId, topic);
+  DBG_INFO(NULL, "MQTT PUBLISH: %s = %s", GWEN_Buffer_GetStart(buf), valueData?valueData:"<empty>");
+  msgOut=AQH_PublishMqttMsg_new(0, 0, GWEN_Buffer_GetStart(buf),
+                                (const uint8_t*) (valueData?valueData:NULL),
+                                valueData?strlen(valueData):0);
+  if (msgOut) {
+    GWEN_MsgEndpoint_AddSendMessage(ep, 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_AppendByte(buf, '/');
+  }
+  GWEN_Buffer_AppendString(buf, deviceId);
+  s=AQHMQTT_Topic_GetAfterId(topic);
+  if (s && *s) {
+    GWEN_Buffer_AppendByte(buf, '/');
+    GWEN_Buffer_AppendString(buf, s);
+  }
+  return buf;
+}
+
+
+
+
+
+