private async Task ProcessEventRecord(KinesisEvent.KinesisEventRecord record, bool writeEventsToQueue)
{
_logger.Trace("Beginning ProcessEventRecord");
_logger.Debug($"Kinesis EventId:{record.EventId} EventName: {record.EventName} EventSource: {record.EventSource} EventVersion: {record.EventVersion} EventSourceARN {record.EventSourceARN} InvokeIdentityARN: {record.InvokeIdentityArn} Kinesis Time: {record.Kinesis.ApproximateArrivalTimestamp} Kinesis ParitionKey: {record.Kinesis.PartitionKey} Kinesis SeqNum: {record.Kinesis.SequenceNumber}");
string recordData = GetRecordContents(record.Kinesis);
_logger.Debug($"RecordData:{recordData}");
//FOR CREATING TEST DATA
//var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(recordData);
//string convertedRecordData = System.Convert.ToBase64String(plainTextBytes);
//Logger.Info(convertedRecordData);
if (!String.IsNullOrEmpty(recordData))
{
ConnectKinesisEventRecord streamRecord = ConvertRecordData(recordData);
if (streamRecord.LastEventType != HEARTBEAT_EVENTTYPE)
{
await ProcessEventToTable(streamRecord);
}
if (writeEventsToQueue)
{
await ProcessEventToQueue(recordData);
}
}
_logger.Trace("Ending ProcessEventRecord");
}
private ConnectKinesisEventRecord ConvertRecordData(string json, EventRecordData eventRecord)
{
_logger.Trace("Beginning ConvertRecordData");
// if this record doesn't include an agent ARN, assume it doesn't match the
// required format. Discard it.
if (String.IsNullOrEmpty(eventRecord?.AgentARN))
{
_logger.Info("recordData does not include AgentARN. Discarding recordData.");
return(null);
}
ConnectKinesisEventRecord streamRecord = new ConnectKinesisEventRecord()
{
AgentARN = eventRecord.AgentARN,
AgentUsername = eventRecord.CurrentAgentSnapshot?.Configuration?.Username,
LastEventType = eventRecord.EventType,
LastEventTimeStamp = eventRecord.EventTimestamp,
LastStateChangeTimeStamp = eventRecord.CurrentAgentSnapshot?.AgentStatus.StartTimestamp,
CurrentState = eventRecord.CurrentAgentSnapshot?.AgentStatus?.Name,
RawAgentEventJSon = json
};
_logger.Debug($"Event Type: {eventRecord.EventType} Agent Username: {streamRecord.AgentUsername} Current State: {streamRecord.CurrentState} Event Time: {streamRecord.LastEventTimeStamp} State Change Time: {streamRecord.LastStateChangeTimeStamp}");
_logger.Trace("Ending ConvertRecordData");
return(streamRecord);
}
private ConnectKinesisEventRecord ConvertRecordData(string recordData)
{
_logger.Trace("Beginning ConvertRecordData");
EventRecordData recordDataObject;
try
{
recordDataObject = JsonConvert.DeserializeObject <EventRecordData>(recordData);
}
catch (Exception e)
{
_logger.Error($"Exception deserializing recordData: {e}. Discarding recordData.");
// This record doesn't match the EventRecordData format, return a value that
// indicates that this record should be discarded.
return(null);
}
// if this record doesn't include an agent ARN, assume it doesn't match the
// required format. Discard it.
if (String.IsNullOrEmpty(recordDataObject.AgentARN))
{
_logger.Info("recordData does not include AgentARN. Discarding recordData.");
return(null);
}
ConnectKinesisEventRecord streamRecord = new ConnectKinesisEventRecord()
{
AgentARN = recordDataObject.AgentARN,
AgentUsername = recordDataObject.CurrentAgentSnapshot?.Configuration?.Username,
LastEventType = recordDataObject.EventType,
LastEventTimeStamp = recordDataObject.EventTimestamp,
LastStateChangeTimeStamp = recordDataObject.CurrentAgentSnapshot?.AgentStatus.StartTimestamp,
CurrentState = recordDataObject.CurrentAgentSnapshot?.AgentStatus?.Name,
RawAgentEventJSon = recordData
};
_logger.Debug($"Event Type: {recordDataObject.EventType} Agent Username: {streamRecord.AgentUsername} Current State: {streamRecord.CurrentState} Event Time: {streamRecord.LastEventTimeStamp} State Change Time: {streamRecord.LastStateChangeTimeStamp}");
_logger.Trace("Ending ConvertRecordData");
return(streamRecord);
}
private async Task ProcessEventToTable(ConnectKinesisEventRecord streamRecord)
{
_logger.Trace("Beginning ProcessEventsToDynamoTable");
var dynamoRecord = await _ddbContext.LoadAsync <ConnectKinesisEventRecord>(streamRecord.AgentARN);
if (dynamoRecord == null || streamRecord.LastEventTimeStamp >= dynamoRecord.LastEventTimeStamp)
{
await _ddbContext.SaveAsync(streamRecord);
}
else
{
_logger.Warn($"Stream record event timestamp {streamRecord.LastEventTimeStamp} is prior to dynamo record event timestamp {dynamoRecord.LastEventTimeStamp}.");
_logger.Warn($"Current Stream Record Json {streamRecord.RawAgentEventJSon}");
_logger.Warn($"Current Dynamo Record Json {dynamoRecord.RawAgentEventJSon}");
}
//NOTE: ignores if record old/out-of-order since all info out-of-date; not excepted to be out of order - very rare possiblity
_logger.Trace("Ending ProcessEventsToDynamoTable");
}
private async Task ProcessEventRecord(KinesisEvent.KinesisEventRecord record, bool writeEventsToQueue)
{
_logger.Trace("Beginning ProcessEventRecord");
_logger.Debug($"Kinesis EventId:{record.EventId} EventName: {record.EventName} EventSource: {record.EventSource} EventVersion: {record.EventVersion} EventSourceARN {record.EventSourceARN} InvokeIdentityARN: {record.InvokeIdentityArn} Kinesis Time: {record.Kinesis.ApproximateArrivalTimestamp} Kinesis ParitionKey: {record.Kinesis.PartitionKey} Kinesis SeqNum: {record.Kinesis.SequenceNumber}");
string recordData = GetRecordContents(record.Kinesis);
_logger.Debug($"RecordData:{recordData}");
//FOR CREATING TEST DATA
//var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(recordData);
//string convertedRecordData = System.Convert.ToBase64String(plainTextBytes);
//Logger.Info(convertedRecordData);
if (!String.IsNullOrEmpty(recordData))
{
var minimizedJSON = ShrinkEvent(recordData);
var eventRecord = ParseEvent(minimizedJSON);
if (eventRecord != null && MatchFilter(eventRecord))
{
_logger.Debug("Event matches filter");
ConnectKinesisEventRecord streamRecord = ConvertRecordData(minimizedJSON, eventRecord);
// if we were able to parse this event, send to DynamoDB and SQS.
if (streamRecord != null)
{
if (streamRecord.LastEventType != HEARTBEAT_EVENTTYPE)
{
await ProcessEventToTable(streamRecord);
}
if (writeEventsToQueue)
{
await ProcessEventToQueue(minimizedJSON, streamRecord.AgentARN);
}
}
}
}
_logger.Trace("Ending ProcessEventRecord");
}
private ConnectKinesisEventRecord ConvertRecordData(string recordData)
{
_logger.Trace("Beginning ConvertRecordData");
EventRecordData recordDataObject = JsonConvert.DeserializeObject <EventRecordData>(recordData);
ConnectKinesisEventRecord streamRecord = new ConnectKinesisEventRecord()
{
AgentARN = recordDataObject.AgentARN,
AgentUsername = recordDataObject.CurrentAgentSnapshot?.Configuration?.Username,
LastEventType = recordDataObject.EventType,
LastEventTimeStamp = recordDataObject.EventTimestamp,
LastStateChangeTimeStamp = recordDataObject.CurrentAgentSnapshot?.AgentStatus.StartTimestamp,
CurrentState = recordDataObject.CurrentAgentSnapshot?.AgentStatus?.Name,
RawAgentEventJSon = recordData
};
_logger.Debug($"Event Type: {recordDataObject.EventType} Agent Username: {streamRecord.AgentUsername} Current State: {streamRecord.CurrentState} Event Time: {streamRecord.LastEventTimeStamp} State Change Time: {streamRecord.LastStateChangeTimeStamp}");
_logger.Trace("Ending ConvertRecordData");
return(streamRecord);
}