public static byte[] EncodeAlertPayload(AlertPayload alertPayload)
{
using (var stream = new MemoryStream())
{
EncodeAlertPayload(stream, alertPayload);
return(stream.ToArray());
}
}
public static void EncodeAlertPayload(Stream stream, AlertPayload alertPayload)
{
using (var writer = new BinaryWriter(stream, Encoding.ASCII, leaveOpen: true))
{
writer.WriteVarString(alertPayload.Payload);
writer.WriteVarString(alertPayload.Signature);
}
}
public static byte[] EncodeAlertPayload(AlertPayload alertPayload)
{
using (var stream = new MemoryStream())
using (var writer = new BinaryWriter(stream))
{
EncodeAlertPayload(writer, alertPayload);
return stream.ToArray();
}
}
public async static Task ProcessAlertMessage([ServiceBusTrigger("sumppumpalerts")] AlertPayload payload)
{
var newAlert = new AlertEntity()
{
PartitionKey = payload.DeviceId,
RowKey = payload.Timestamp.ToRowKey(),
Type = (AlertType)payload.Type,
WaterLevel = payload.WaterLevel,
PumpRunning = payload.PumpRunning
};
AlertRepository.Insert(newAlert);
}
private AlertPayload[] ReadAlerts()
{
List <AlertPayload> alerts = new List <AlertPayload>();
using (var fs = File.OpenRead("data/alertTests.raw"))
{
BitcoinStream stream = new BitcoinStream(fs, false);
while (stream.Inner.Position != stream.Inner.Length)
{
AlertPayload payload = null;
stream.ReadWrite(ref payload);
alerts.Add(payload);
}
}
return(alerts.ToArray());
}
public void CanParseAlertAndChangeUpdatePayloadAndSignature()
{
var alertStr = "73010000003766404f00000000b305434f00000000f2030000f1030000001027000048ee00000064000000004653656520626974636f696e2e6f72672f666562323020696620796f7520686176652074726f75626c6520636f6e6e656374696e67206166746572203230204665627275617279004730450221008389df45f0703f39ec8c1cc42c13810ffcae14995bb648340219e353b63b53eb022009ec65e1c1aaeec1fd334c6b684bde2b3f573060d5b70c3a46723326e4e8a4f1";
AlertPayload alert = new AlertPayload();
alert.FromBytes(TestUtils.ParseHex(alertStr));
Assert.True(alert.CheckSignature(BitcoinNetwork.Main));
Assert.Equal("See bitcoin.org/feb20 if you have trouble connecting after 20 February", alert.StatusBar);
alert.StatusBar = "Changing...";
Assert.True(alert.CheckSignature(BitcoinNetwork.Main));
alert.UpdatePayload();
Assert.False(alert.CheckSignature(BitcoinNetwork.Main));
Key key = new Key();
alert.UpdateSignature(key);
Assert.True(alert.CheckSignature(key.PubKey));
}
private async Task SendAlert(AlertPayloadType type)
{
var payload = new AlertPayload
{
DeviceId = DeviceId,
Timestamp = DateTime.Now,
WaterLevel = CurrentWaterLevel,
PumpRunning = PumpStatus,
Type = type
};
var json = JsonConvert.SerializeObject(payload);
using (var message = new Message(Encoding.UTF8.GetBytes(json)))
{
message.Properties.Add("DeviceName", DeviceId);
await iotClient.SendEventAsync(message);
}
}
public static void EncodeAlertPayload(BinaryWriter writer, AlertPayload alertPayload)
{
writer.WriteVarString(alertPayload.Payload);
writer.WriteVarString(alertPayload.Signature);
}
