private void SendMetricResponse(int nodeId)
{
Message mess = new Message();
mess.nodeId = nodeId;
mess.sensorId = 255;
mess.messageType = MessageType.C_INTERNAL;
mess.ack = false;
mess.subType = (int)InternalDataType.I_CONFIG;
mess.payload = "M";
mess.isValid = true;
SendMessage(mess);
}
public void SendReboot(int nodeId)
{
Message message = new Message();
message.ack = false;
message.messageType = MessageType.C_INTERNAL;
message.nodeId = nodeId;
message.payload = "0";
message.sensorId = 0;
message.subType = (int)InternalDataType.I_REBOOT;
message.isValid = true;
SendMessage(message);
}
public void SendSensorState(int nodeId, int sensorId, SensorData data)
{
Sensor sensor = GetNode(nodeId).GetSensor(sensorId);
sensor.AddOrUpdateData(data);
Message message = new Message();
message.ack = false;
message.messageType = MessageType.C_SET;
message.nodeId = nodeId;
message.payload = data.state;
message.sensorId = sensorId;
message.subType = (int)data.dataType;
message.isValid = true;
SendMessage(message);
if (OnSensorUpdatedEvent != null)
OnSensorUpdatedEvent(sensor);
}
public void SendNewIdResponse()
{
int freeId = GetFreeNodeId();
Message mess = new Message();
mess.nodeId = 255;
mess.sensorId = 255;
mess.messageType = MessageType.C_INTERNAL;
mess.ack = false;
mess.subType = (int)InternalDataType.I_ID_RESPONSE;
mess.payload = freeId.ToString();
mess.isValid = true;
SendMessage(mess);
}
public void UpdateSensorFromMessage(Message mes)
{
//if internal node message
if (mes.sensorId == 255)
return;
if (mes.messageType != MessageType.C_PRESENTATION
&& mes.messageType != MessageType.C_SET)
return;
Node node = GetNode(mes.nodeId);
Sensor sensor = node.GetSensor(mes.sensorId);
bool isNewSensor = false;
if (sensor == null)
{
sensor = node.AddSensor(mes.sensorId);
isNewSensor = true;
}
if (mes.messageType == MessageType.C_SET)
{
SensorDataType dataType = (SensorDataType)mes.subType;
sensor.AddOrUpdateData(dataType, mes.payload);
}
else if (mes.messageType == MessageType.C_PRESENTATION)
{
if (mes.subType < 0 || mes.subType > (int)Enum.GetValues(typeof(SensorType)).Cast<SensorType>().Max())
{
throw new ArgumentOutOfRangeException(
"This exception occurs when the serial port does not have time to write the data");
}
sensor.SetSensorType((SensorType)mes.subType);
if (!String.IsNullOrEmpty(mes.payload))
sensor.description = mes.payload;
}
if (isNewSensor)
{
if (OnNewSensorEvent != null)
OnNewSensorEvent(sensor);
DebugGatewayState(String.Format("New sensor (node id {0}, sensor id: {1}) registered", sensor.ownerNodeId,
sensor.sensorId));
}
else
{
if (OnSensorUpdatedEvent != null)
OnSensorUpdatedEvent(sensor);
}
}
public Message ParseMessageFromString(string message)
{
var mes = new Message();
try
{
string[] arguments = message.Split(new char[] { ';' }, 6);
mes.nodeId = Int32.Parse(arguments[0]);
mes.sensorId = Int32.Parse(arguments[1]);
mes.messageType = (MessageType)Int32.Parse(arguments[2]);
mes.ack = arguments[3] == "1";
mes.subType = Int32.Parse(arguments[4]);
mes.payload = arguments[5];
mes.isValid = true;
}
catch
{
mes = new Message();
mes.isValid = false;
mes.payload = message;
}
return mes;
}
private void ProceedRequestMessage(Message mes)
{
if (mes.messageType != MessageType.C_REQ)
return;
Node node = GetNode(mes.nodeId);
if (node == null) return;
Sensor sensor = node.GetSensor(mes.sensorId);
if (sensor == null) return;
SensorDataType dataType = (SensorDataType)mes.subType;
SensorData data = sensor.GetData(dataType);
if (data == null) return;
SendSensorState(mes.nodeId, mes.sensorId, data);
}
private void UpdateNodeFromMessage(Message mes)
{
Node node = GetNode(mes.nodeId);
if (node == null)
{
node = new Node(mes.nodeId);
nodes.Add(node);
if (OnNewNodeEvent != null)
OnNewNodeEvent(node);
DebugGatewayState(String.Format("New node (id: {0}) registered", node.nodeId));
}
node.UpdateLastSeenNow();
if (OnNodeLastSeenUpdatedEvent != null)
OnNodeLastSeenUpdatedEvent(node);
if (mes.sensorId == 255)
{
if (mes.messageType == MessageType.C_PRESENTATION)
{
if (mes.subType == (int)SensorType.S_ARDUINO_NODE)
{
node.isRepeatingNode = false;
}
else if (mes.subType == (int)SensorType.S_ARDUINO_REPEATER_NODE)
{
node.isRepeatingNode = true;
}
if (OnNodeUpdatedEvent != null)
OnNodeUpdatedEvent(node);
DebugGatewayState(String.Format("Node {0} updated", node.nodeId));
}
else if (mes.messageType == MessageType.C_INTERNAL)
{
if (mes.subType == (int)InternalDataType.I_SKETCH_NAME)
{
node.name = mes.payload;
if (OnNodeUpdatedEvent != null)
OnNodeUpdatedEvent(node);
DebugGatewayState(String.Format("Node {0} updated", node.nodeId));
}
else if (mes.subType == (int)InternalDataType.I_SKETCH_VERSION)
{
node.version = mes.payload;
if (OnNodeUpdatedEvent != null)
OnNodeUpdatedEvent(node);
DebugGatewayState(String.Format("Node {0} updated", node.nodeId));
}
else if (mes.subType == (int)InternalDataType.I_BATTERY_LEVEL)
{
node.batteryLevel = Int32.Parse(mes.payload);
if (OnNodeBatteryUpdatedEvent != null)
OnNodeBatteryUpdatedEvent(node);
return;
}
}
}
}
public void SendMessage(Message message)
{
message.incoming = false;
if (OnMessageSendEvent != null)
OnMessageSendEvent(message);
DebugTxRx(String.Format("TX: {0}", message.ToString()));
string mes = String.Format("{0};{1};{2};{3};{4};{5}\n",
message.nodeId,
message.sensorId,
(int)message.messageType,
(message.ack) ? "1" : "0",
message.subType,
message.payload);
SendMessage(mes);
if (storeMessagesToLog)
messagesLog.AddNewMessage(message);
}
public void AddMessage(Message message)
{
db.Messages.Add(message);
db.SaveChanges();
}
private void StoreNewMessages()
{
//to prevent changing of collection while writing to db is not yet finished
Message[] messages = new Message[newMessages.Count];
newMessages.CopyTo(messages);
newMessages.Clear();
db.Messages.AddRange(messages);
db.SaveChanges();
}
private void OnNewMessage(Message message)
{
if (!storeTxRxMessages)return;
if (storeTimeInterval == 0)
AddMessage(message);
else
newMessages.Add(message);
}
private void OnMessageSendEvent(Message message)
{
if (!IsConnected()) return;
hubProxy.Invoke("OnMessageSendEvent", message);
}