private static async Task <tResult> WriteStream(tRevertCommand oRevertCommand, ILambdaContext context)
{
const string myStreamName = "CloudEcoPlus";
string strInput;
string strEncoded;
tResult oResult = new tResult();
try
{
context.Logger.LogLine("Putting records in stream : " + myStreamName);
// Write 10 UTF-8 encoded records to the stream.
PutRecordRequest requestRecord = new PutRecordRequest();
requestRecord.StreamName = myStreamName;
strInput = JsonSerializer.Serialize(oRevertCommand);
requestRecord.Data = new MemoryStream(Encoding.UTF8.GetBytes(strInput));
context.Logger.LogLine("Putting records in stream 1 : " + myStreamName);
strEncoded = Base64Encode(strInput); // just for debug base64 encoding
//
context.Logger.LogLine("Putting records in stream 2 : " + myStreamName);
requestRecord.PartitionKey = "partitionKey";
context.Logger.LogLine("Putting records in stream 3 : " + myStreamName);
PutRecordResponse PutRecordResult = await kinesisClient.PutRecordAsync(requestRecord);
context.Logger.LogLine("PutRecordResult ok" + PutRecordResult.HttpStatusCode);
}
catch (Exception ex)
{
oResult.Ok = false;
oResult.Info = ex.Message;
context.Logger.LogLine("Error WriteStream ");
}
context.Logger.LogLine("Putting records in stream 4");
return(oResult);
}
public async Task <tResult> FunctionHandler(tInput oInput, ILambdaContext context)
{
SqlConnection oSqlConnection = null;
string strIMEI;
tCommand oCommandSend;
tResult oResult = new tResult();
diags oCurrentDiag;
diags oNewDiag = new diags();
tRevertCommand oRevertCommand = new tRevertCommand();
DateTime datRevertAfter;
/*
* Get the IMEI
* Get the current diag value
* Reconfigure to supplied values
* If the current is > 45 seconds, if less than 45 seconds the unit is already in a high frequency mode and can be safely left in it
* Queue a message on Kinesis, which will be ignored until the time is past. When time is passed the values are returned to the original values
*
*
*/
try
{
oSqlConnection = new SqlConnection(ecoCommon.GetSecret("CloudEcoPlus", context)); oSqlConnection.Open();
context.Logger.LogLine("FunctionHandler 2");
}
catch (Exception ex)
{
context.Logger.LogLine("WriteRecord Ex 1" + ex.Message);
}
try
{
oSqlConnection.Open();
}
catch (Exception)
{
}
strIMEI = ecoCommon.GetDeviceIMEINumber(oInput.SerialNumber, context, ref oSqlConnection); // The aws iot api uses the IMEI, not the unit serial number, this is captured during manufacturing
// --Get Current values (diags) -----------------------------------------------------------------
context.Logger.LogLine("FunctionHandler Get Current values ");
oCommandSend = new tCommand();
oCommandSend.CommandName = "diags";
oCommandSend.UrlPath = "diags/{devid}";
oCommandSend.CommandJson = "";
oCommandSend.ToEco = false;
tCommand oControlreportGetReply = new tCommand();
oControlreportGetReply = PostApi(oCommandSend, strIMEI);
if (oControlreportGetReply.PostStatus != "ok")
{
oResult.Ok = false;
oResult.Info = oControlreportGetReply.PostStatus;
return(oResult);
}
;
oCurrentDiag = JsonSerializer.Deserialize <diags>(oControlreportGetReply.ReplyJson);
context.Logger.LogLine("FunctionHandler Get Current values End " + oCurrentDiag.sensorInterval.ToString());
// -- End Command -----------------------------------------------------------------
// -- Queue the revert ------------------------------------------------------------------
if (oCurrentDiag.sensorInterval > 45) // Only revert back if > 45 seconds, less then is considered as already being in test mode
{
// Write a record to kinesis, carrying 1) When to revert 2) The previously set value to revert to
datRevertAfter = DateTime.Now.AddMinutes(oInput.RevertWindowMinutes);
oRevertCommand.SensorInterval = oCurrentDiag.sensorInterval;
oRevertCommand.RevertAfter = ecoCommon.JsonDate(datRevertAfter);
oRevertCommand.IMEI = strIMEI;
context.Logger.LogLine("FunctionHandler Set Revert " + oRevertCommand.RevertAfter + " From " + datRevertAfter.ToString());
oResult = await WriteStream(oRevertCommand, context); // Write to Kinesis
// --Send New values diags -----------------------------------------------------------------
oCommandSend = new tCommand();
oNewDiag.controlInterval = oInput.SensorInterval;
oNewDiag.sensorInterval = oInput.SensorInterval;
oCommandSend.CommandName = "diags";
oCommandSend.UrlPath = "diags/{devid}";
oCommandSend.CommandJson = JsonSerializer.Serialize(oNewDiag);
oCommandSend.ToEco = true;
tCommand oControlreportSetReply = new tCommand();
context.Logger.LogLine("FunctionHandler Set diags ------------> " + oNewDiag.controlInterval.ToString());
oControlreportSetReply = PostApi(oCommandSend, strIMEI);
if (oControlreportSetReply.PostStatus != "ok")
{
oResult.Ok = false;
oResult.Info = oControlreportSetReply.PostStatus;
return(oResult);
}
;
}
// -- End Command -----------------------------------------------------------------
return(oResult);
}
