async Task <int> SyncDataAsync(PartitionContext context, List <EventData> messages)
{
for (int i = 0; i < messages.Count; i++)
{
EventData eventData = messages[i];
SyncCommandBase syncCommand = null;
string hubName = (string)eventData.Properties["hubName"];
string deviceId = (string)eventData.Properties["deviceId"];
string messageSource = (string)eventData.SystemProperties["iothub-message-source"];
string operationType = (string)eventData.Properties["opType"];
JToken jPayload = JToken.Parse(Encoding.UTF8.GetString(eventData.GetBytes()));
Console.WriteLine();
Console.WriteLine("=========================================================================================================================================");
Console.WriteLine("PROCESS EVENT");
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------------------------------");
Console.WriteLine($"Partition: {context.Lease.PartitionId}, Offset: {eventData.Offset}, HubName: {hubName}, DeviceId: {deviceId}, MessageSource: {messageSource} ...");
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------------------------------");
Console.WriteLine($"Operation type '{operationType}'");
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("Body:");
Console.WriteLine(jPayload.ToString(Newtonsoft.Json.Formatting.Indented));
Console.WriteLine("-----------------------------------------------------------------------------------------------------------------------------------------");
switch (messageSource)
{
case "deviceLifecycleEvents":
syncCommand = this.GetDeviceLifecycleSyncCommand(eventData, operationType, jPayload, hubName, deviceId);
break;
case "twinChangeEvents":
syncCommand = this.GetTwinChangeSyncCommand(eventData, operationType, jPayload, hubName, deviceId);
break;
default:
Console.WriteLine($"Message source '{messageSource}' not supported");
break;
}
if (syncCommand != null)
{
try
{
await syncCommand.RunAsync();
}
catch (Exception ex)
{
Console.WriteLine($"WARNING! Failed to sync message with offset {eventData.Offset}");
Console.WriteLine(ex.ToString());
return(i - 1);
}
}
Console.WriteLine("=========================================================================================================================================");
}
return(messages.Count - 1);
}
SyncCommandBase GetDeviceLifecycleSyncCommand(EventData eventData, string operationType, JToken jPayload, string hubName, string deviceId)
{
SyncCommandBase syncCommand = null;
switch (operationType)
{
case "createDeviceIdentity":
syncCommand = this.syncCommandFactory.CreateDeviceIdentitySyncCommand(hubName, deviceId, jPayload);
break;
case "deleteDeviceIdentity":
syncCommand = this.syncCommandFactory.DeleteDeviceIdentitySyncCommand(hubName, deviceId, jPayload);
break;
default:
Console.WriteLine($"Operation type '{operationType}' not supported");
break;
}
return(syncCommand);
}
SyncCommandBase GetTwinChangeSyncCommand(EventData eventData, string operationType, JToken jPayload, string hubName, string deviceId)
{
SyncCommandBase syncCommand = null;
switch (operationType)
{
case "updateTwin": // this is a patch
syncCommand = this.syncCommandFactory.UpdateTwinSyncCommand(hubName, deviceId, jPayload);
break;
case "replaceTwin": // this contains full twin state
syncCommand = this.syncCommandFactory.ReplaceTwinSyncCommand(hubName, deviceId, jPayload);
break;
default:
Console.WriteLine($"Operation type '{operationType}' not supported");
break;
}
return(syncCommand);
}