public override bool Equals(object obj)
{
if (!(obj is DRP))
{
return(false);
}
DRP compto = obj as DRP;
if (this.devType != compto.devType)
{
return(false);
}
if (this.servID != compto.servID)
{
return(false);
}
if (this.servName != compto.ServName)
{
return(false);
}
if (!JsonConvert.SerializeObject(data).Equals(JsonConvert.SerializeObject(compto.data)))
{
return(false);
}
if (this.messageType != compto.messageType)
{
return(false);
}
return(true);
}
/**
* Deserializing DRP message
* @param mepMessage the string to deserialize
* EXAMPLE:
* {"$DRP":{"DevType":"RBPI","MACAddr":"123456789ABC","IPAddr":"C0A80101","Callback":"RES","Addressee":"123456789ABC","Date": "28/07/2017 19:02"}}
**/
public static DRP deserializeDRP(string drpMessage)
{
drpMessage = drpMessage.Replace('?', '\"');
DRP drp = JsonConvert.DeserializeObject <DRP>(drpMessage);
return(drp);
}
private async Task TalkToRaspberry()
{
string ip = ipaddress;
if (!await tcps.Connect(ip))
{
System.Diagnostics.Debug.WriteLine("Connection failed.");
handleGUI_OnFailure("Connection failed.");
return;
}
DRP result = await sendSCANNED();
if (result == null)
{
//in case there's no answer from the server
handleGUI_OnFailure("Connection Timeout");
return;
}
FindViewById <TextView>(Resource.Id.tv_servname).Visibility = ViewStates.Visible;
FindViewById <TextView>(Resource.Id.tv_servname).Text = result.ServName;
if (result.MessageType == DRPMessageType.DATA)
{
currentWeigh = result.Data;
handleGUI_OnSuccess(result.Data.ToString());
if (isStreamAnalytics)
{
var newweightablerecord = new weighTable
{
username = ourUserId,
weigh = currentWeigh
};
try
{
MobileServiceClient client = ToDoActivity.CurrentActivity.CurrentClient;
weighTableRef = client.GetTable <weighTable>();
await weighTableRef.InsertAsync(newweightablerecord);
}
catch (Exception e)
{
CreateAndShowDialog(e, "Error");
}
}
return;
}
else if (result.MessageType == DRPMessageType.IN_USE)
{
handleGUI_OnFailure("the scale is in use");
return;
}
else if (result.MessageType == DRPMessageType.ILLEGAL || result.MessageType == DRPMessageType.HARDWARE_ERROR)
{
handleGUI_OnFailure("The scaling could not been done due to error.");
return;
}
}
//sending a message of type SCANNED to the RBPi and waiting to the result
private async Task <DRP> sendSCANNED()
{
DRP msg = new DRP(DRPDevType.APP, ourUserId, "111", "don't care", 0, 0, DRPMessageType.SCANNED);
try
{
//sending the message
await tcps.Send(msg.ToString());
string ans = await tcps.Receive();
DRP rec = DRP.deserializeDRP(ans);
return(rec);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception caught in SendScanned : " + e.Message);
return(null);
}
}
