static public async Task InitIoTHub()
{
try
{
var fileToRead = new FileStream(await Helpers.GetFilePathAsync(strFileIoT), FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
long fileLength = fileToRead.Length;
byte[] buf = new byte[fileLength];
//string mySetupString = "";
// Reads the data.
fileToRead.Read(buf, 0, (int)fileLength);
//await str.ReadAsync(buf, )
// convert the read into a string
strconn = new string(Encoding.UTF8.GetChars(buf));
MessageIoT cmdmsg = new MessageIoT();
cmdmsg.command = GetStausCmd;
cmdmsg.message = "ok"; //JsonConvert.SerializeObject(myParamRail);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
ReceiveDataFromAzure();
}
catch (Exception ex)
{
Debug.WriteLine($"Error initializing Azure Iot Hub connection string: {ex.Message}");
}
}
static private async Task ReceiveDataFromAzure()
{
if (strconn == "")
{
return;
}
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(strconn, TransportType.Http1);
Message receivedMessage = null;
string messageData;
try
{
while (true)
{
try
{
receivedMessage = await deviceClient.ReceiveAsync();
}
catch (Exception ex)
{
Debug.WriteLine($"Error receiving from Azure Iot Hub: {ex.Message}");
}
if (receivedMessage != null)
{
bool ballOK = true;
// {"command":"addprogram","message":"{\"DateTimeStart\":\"2016-06-02T03:04:05+00:00\",\"Duration\":\"00:02:05\",\"SprinklerNumber\":3}"}
//MessageIoT temp = new MessageIoT();
//temp.command = "test";
//temp.message = JsonConvert.SerializeObject(new SprinklerProgram(new DateTimeOffset(2016, 6, 2, 3, 4, 5, new TimeSpan(0, 0, 0)), new TimeSpan(0, 2, 5), 3));
//var ret = JsonConvert.SerializeObject(temp);
//SendDataToAzure(ret);
messageData = Encoding.ASCII.GetString(receivedMessage.GetBytes());
MessageIoT cmdmsg = null;
try
{
cmdmsg = JsonConvert.DeserializeObject <MessageIoT>(messageData);
}
catch (Exception)
{
try
{
await deviceClient.RejectAsync(receivedMessage);
ballOK = false;
}
catch (Exception)
{
ballOK = false;
}
}
if (!ballOK)
{
}
else if (cmdmsg.command.ToLower() == "sprinklername")
{
cmdmsg.message = JsonConvert.SerializeObject(Sprinklers);
Task.Delay(500);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
}
else if (cmdmsg.command.ToLower() == "programs")
{
cmdmsg.message = JsonConvert.SerializeObject(SprinklerPrograms);
Task.Delay(500);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
}
else if (cmdmsg.command.ToLower() == "addprogram")
{
if (cmdmsg.message != null)
{
try
{
SprinklerPrograms.Add(JsonConvert.DeserializeObject <SprinklerProgram>(cmdmsg.message));
}
catch (Exception)
{
ballOK = false;
}
}
}
else if (cmdmsg.command.ToLower() == "removeprogram")
{
if (cmdmsg.message != null)
{
try
{
//need to be smart how to remove a program
//so loop and check the elements
for (int i = 0; i < SprinklerPrograms.Count; i++)
{
SprinklerProgram MySpr = (SprinklerProgram)SprinklerPrograms[i];
SprinklerProgram spr = JsonConvert.DeserializeObject <SprinklerProgram>(cmdmsg.message);
if ((MySpr.SprinklerNumber == spr.SprinklerNumber) &&
(MySpr.Duration.CompareTo(spr.Duration) == 0) &&
(MySpr.DateTimeStart.CompareTo(spr.DateTimeStart) == 0))
{
SprinklerPrograms.RemoveAt(i);
}
}
}
catch (Exception)
{
ballOK = false;
}
}
}
else if ((cmdmsg.command.ToLower() == "pumpstart") || (cmdmsg.command.ToLower() == "pumpstop"))
{
int sprNum = -1;
try
{
sprNum = Convert.ToInt32(cmdmsg.message);
}
catch { }
if ((sprNum >= 0) && (sprNum < NUMBER_SPRINKLERS))
{
if (cmdmsg.command.ToLower() == "pumpstart")
{
Sprinklers[sprNum].Open = true;
}
else
{
Sprinklers[sprNum].Open = false;
}
}
}
try
{
if (ballOK)
{
await deviceClient.CompleteAsync(receivedMessage);
}
else
{
await deviceClient.RejectAsync(receivedMessage);
}
}
catch (Exception)
{
try
{
await deviceClient.RejectAsync(receivedMessage);
}
catch (Exception)
{
}
//throw;
}
}
}
}
catch (Exception)
{
ReceiveDataFromAzure();
}
}
static private async Task ReceiveDataFromAzure()
{
if (strconn == "")
{
return;
}
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(strconn, TransportType.Http1);
Message receivedMessage = null;
string messageData;
while (true)
{
try
{
receivedMessage = await deviceClient.ReceiveAsync();
}
catch (Exception ex)
{
Debug.WriteLine($"Error receiving from Azure Iot Hub: {ex.Message}");
}
if (receivedMessage != null)
{
bool ballOK = true;
// {"command":"addprogram","message":"{\"DateTimeStart\":\"2016-06-02T03:04:05+00:00\",\"Duration\":\"00:02:05\",\"SprinklerNumber\":3}"}
//MessageIoT temp = new MessageIoT();
//temp.command = "test";
//temp.message = JsonConvert.SerializeObject(new SprinklerProgram(new DateTimeOffset(2016, 6, 2, 3, 4, 5, new TimeSpan(0, 0, 0)), new TimeSpan(0, 2, 5), 3));
//var ret = JsonConvert.SerializeObject(temp);
//SendDataToAzure(ret);
messageData = Encoding.ASCII.GetString(receivedMessage.GetBytes());
MessageIoT cmdmsg = null;
try
{
cmdmsg = JsonConvert.DeserializeObject <MessageIoT>(messageData);
}
catch (Exception)
{
try
{
await deviceClient.RejectAsync(receivedMessage);
ballOK = false;
}
catch (Exception)
{
ballOK = false;
}
}
if (!ballOK)
{
}
else
{
if (string.Compare(cmdmsg.command, TrainCmd, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
//{"command":"train","message":"{\"TrainNumber\":\"3\",\"Speed\":\"0\"}"}
var traincmd = JsonConvert.DeserializeObject <TrainCommand>(cmdmsg.message);
if ((traincmd.TrainNumber >= 0) && (traincmd.TrainNumber < myParamRail.NumberOfTrains))
{
if (traincmd.Speed == 0)
{
myLego.SingleOutputPWM(LegoPWM.BRK, (LegoPWMOutput)myParamRail.Trains[traincmd.TrainNumber].RedBlue, (LegoChannel)(myParamRail.Trains[traincmd.TrainNumber].Channel - 1));
}
else if ((traincmd.Speed >= 8) || (traincmd.Speed <= -8))
{
myLego.SingleOutputPWM(traincmd.Speed > 0 ? LegoPWM.FWD7: LegoPWM.REV7, (LegoPWMOutput)myParamRail.Trains[traincmd.TrainNumber].RedBlue, (LegoChannel)(myParamRail.Trains[traincmd.TrainNumber].Channel - 1));
}
else
{
myLego.SingleOutputCST(traincmd.Speed > 0 ? LegoCST.INC_PWM : LegoCST.DEC_PWM, (LegoPWMOutput)myParamRail.Trains[traincmd.TrainNumber].RedBlue, (LegoChannel)(myParamRail.Trains[traincmd.TrainNumber].Channel - 1));
}
}
else
{
ballOK = false;
}
}
catch (Exception)
{
ballOK = false;
}
}
else if (string.Compare(cmdmsg.command, SignalCmd, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
//{"command":"signal","message":"{\"SignaSwitchNumber\":\"1\",\"State\":\"false\"}"}
var sgcmd = JsonConvert.DeserializeObject <SignalSwitchCommand>(cmdmsg.message);
if ((sgcmd.SignaSwitchNumber >= 0) && (sgcmd.SignaSwitchNumber < mySignal.NumberOfSignals))
{
mySignal.ChangeSignal(sgcmd.SignaSwitchNumber, sgcmd.State);
}
else
{
ballOK = false;
}
}
catch (Exception)
{
ballOK = false;
}
}
else if (string.Compare(cmdmsg.command, SwitchCmd, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
//{ "command":"switch","message":"{\"SignaSwitchNumber\":\"1\",\"State\":\"false\"}"}
var sgcmd = JsonConvert.DeserializeObject <SignalSwitchCommand>(cmdmsg.message);
if ((sgcmd.SignaSwitchNumber >= 0) && (sgcmd.SignaSwitchNumber < mySwitch.NumberOfSwitch))
{
mySwitch.ChangeSwitch(sgcmd.SignaSwitchNumber, sgcmd.State);
}
else
{
ballOK = false;
}
}
catch (Exception)
{
ballOK = false;
}
}
else if (string.Compare(cmdmsg.command, GetStausCmd, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
cmdmsg.message = JsonConvert.SerializeObject(myParamRail);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
}
catch (Exception)
{
ballOK = false;
}
}
else if (string.Compare(cmdmsg.command, GetSignalStatus, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
SignalSwitchCommand[] sig = new SignalSwitchCommand[myParamRail.NumberOfSignals];
for (byte i = 0; i < sig.Length; i++)
{
sig[i].SignaSwitchNumber = i;
sig[i].State = mySignal.GetSignal(i);
}
cmdmsg.message = JsonConvert.SerializeObject(sig);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
}
catch (Exception)
{
ballOK = false;
}
}
else if (string.Compare(cmdmsg.command, GetSwitchStatus, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
SignalSwitchCommand[] sig = new SignalSwitchCommand[myParamRail.NumberOfSwitchs];
for (byte i = 0; i < sig.Length; i++)
{
sig[i].SignaSwitchNumber = i;
sig[i].State = mySwitch.GetSwitch(i);
}
cmdmsg.message = JsonConvert.SerializeObject(sig);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
}
catch (Exception)
{
ballOK = false;
}
}
else if (string.Compare(cmdmsg.command, GetTrainStatus, StringComparison.OrdinalIgnoreCase) == 0)
{
try
{
TrainCommand[] tra = new TrainCommand[myParamRail.NumberOfTrains];
for (byte i = 0; i < tra.Length; i++)
{
tra[i].TrainNumber = i;
//TODO: need to implement capturing train speed
//tra[i].Speed =
}
cmdmsg.message = JsonConvert.SerializeObject(tra);
SendDataToAzure(JsonConvert.SerializeObject(cmdmsg));
}
catch (Exception)
{
ballOK = false;
}
}
}
try
{
if (ballOK)
{
await deviceClient.CompleteAsync(receivedMessage);
}
else
{
await deviceClient.RejectAsync(receivedMessage);
}
}
catch (Exception)
{
try
{
await deviceClient.RejectAsync(receivedMessage);
}
catch (Exception)
{
}
//throw;
}
}
}
}
