private string SendMessage(string msg, UpDevice target, bool waitForResponse = true)
{
UpNetworkInterface netInt = GetAppropriateInterface(target);
string networkAddress = netInt.networkAddress;
string networkType = netInt.netType;
ClientConnection con = OpenActiveConnection(networkAddress, networkType);
if (con == null)
{
logger.LogWarning("Not possible to stablish a connection with '" + networkAddress + "' of type '" + networkType + "'.");
return(null);
}
try
{
byte[] data = Encoding.UTF8.GetBytes(msg);
con.Write(data, 0, data.Length);
// Gets response.
string response = null;
if (waitForResponse)
{
data = con.Read();
if (data != null)
{
response = Encoding.UTF8.GetString(data);
if (response.Trim().Length == 0)
{
response = null;
}
}
}
con.Close();
return(response);
}
catch (System.Exception)
{
if (con.connected)
{
con.Close();
}
throw;
}
}
private void HandleMessage(string message, ClientConnection connection)
{
if ((message == null) || ((message = message.Trim()).Length == 0) ||
(connection == null) || (!connection.connected))
return;
NetworkDevice clientDevice = connection.clientDevice;
Message response = null;
try
{
logger.Log("Handling incoming message:\n" + message);
object json = Json.Deserialize(message);
string type = Util.JsonOptString(json as IDictionary<string, object>, "type");
if (type != null)
{
Message.Type messageType = (Message.Type)System.Enum.Parse(typeof(Message.Type), type, true);
switch (messageType)
{
case Message.Type.SERVICE_CALL_REQUEST:
logger.Log("Incoming Service Call");
CallContext messageContext = new CallContext();
messageContext.callerNetworkDevice = clientDevice;
response = HandleServiceCall(message, messageContext);
break;
case Message.Type.NOTIFY:
logger.Log("Incoming Notify");
HandleNotify(message, clientDevice);
break;
default:
break;
}
}
}
catch (System.Exception ex)
{
PushLog("Failure to handle the incoming message. ", ex);
response = new Notify();
response.error = "Failure to handle the incoming message. ";
}
if (response != null)
{
string msg = Json.Serialize(response.ToJSON()) + "\n";
byte[] bytes = Encoding.UTF8.GetBytes(msg);
try
{
connection.Write(bytes, 0, bytes.Length);
PushLog("Responded successfully.");
}
catch (System.Exception e)
{
PushLog("Error while responding. ", e);
}
}
}
private void HandleMessage(string message, ClientConnection connection)
{
if ((message == null) || ((message = message.Trim()).Length == 0) ||
(connection == null) || (!connection.connected))
{
return;
}
NetworkDevice clientDevice = connection.clientDevice;
Message response = null;
try
{
logger.Log("Handling incoming message:\n" + message);
object json = Json.Deserialize(message);
string type = Util.JsonOptString(json as IDictionary <string, object>, "type");
if (type != null)
{
Message.Type messageType = (Message.Type)System.Enum.Parse(typeof(Message.Type), type, true);
switch (messageType)
{
case Message.Type.SERVICE_CALL_REQUEST:
logger.Log("Incoming Service Call");
CallContext messageContext = new CallContext();
messageContext.callerNetworkDevice = clientDevice;
response = HandleServiceCall(message, messageContext);
break;
case Message.Type.NOTIFY:
logger.Log("Incoming Notify");
HandleNotify(message, clientDevice);
break;
default:
break;
}
}
}
catch (System.Exception ex)
{
PushLog("Failure to handle the incoming message. ", ex);
response = new Notify();
response.error = "Failure to handle the incoming message. ";
}
if (response != null)
{
string msg = Json.Serialize(response.ToJSON()) + "\n";
byte[] bytes = Encoding.UTF8.GetBytes(msg);
try
{
connection.Write(bytes, 0, bytes.Length);
PushLog("Responded successfully.");
}
catch (System.Exception e)
{
PushLog("Error while responding. ", e);
}
}
}
