private void HandleMessage(string value)
{
try
{
if (string.IsNullOrWhiteSpace(value))
{
return;
}
var envelope = JsonConvert.DeserializeObject <Envelope>(value);
if (envelope.Sender != selfId)
{
subject.OnNext(envelope.Payload);
log.LogDebug(w => w
.WriteProperty("action", "ReceiveRedisMessage")
.WriteProperty("channel", channelName)
.WriteProperty("status", "Received"));
}
}
catch (Exception ex)
{
log.LogError(ex, w => w
.WriteProperty("action", "ReceiveRedisMessage")
.WriteProperty("channel", channelName)
.WriteProperty("status", "Failed"));
}
}
public async Task StartAsync(CancellationToken cancellationToken)
{
foreach (var initializable in initializables.OrderBy(x => x.InitializationOrder))
{
log.LogDebug(w => w
.WriteProperty("action", "InitializeService")
.WriteProperty("status", "Started")
.WriteProperty("service", initializable.ToString()));
await initializable.InitializeAsync(cancellationToken);
log.LogInformation(w => w
.WriteProperty("action", "InitializeService")
.WriteProperty("status", "Finished")
.WriteProperty("service", initializable.ToString()));
}
}
private async Task ClearAsync()
{
var logContext = (actionId : Guid.NewGuid().ToString(), consumer : eventConsumer.Name);
log.LogDebug(logContext, (ctx, w) => w
.WriteProperty("action", "EventConsumerReset")
.WriteProperty("actionId", ctx.actionId)
.WriteProperty("status", "Started")
.WriteProperty("eventConsumer", ctx.consumer));
using (log.MeasureInformation(logContext, (ctx, w) => w
.WriteProperty("action", "EventConsumerReset")
.WriteProperty("actionId", ctx.actionId)
.WriteProperty("status", "Completed")
.WriteProperty("eventConsumer", ctx.consumer)))
{
await eventConsumer.ClearAsync();
}
}
public async Task HandleAsync(CommandContext context, NextDelegate next)
{
var logContext = (id : context.ContextId.ToString(), command : context.Command.GetType().Name);
try
{
log.LogDebug(logContext, (ctx, w) => w
.WriteProperty("action", "HandleCommand.")
.WriteProperty("actionId", ctx.id)
.WriteProperty("status", "Started")
.WriteProperty("commandType", ctx.command));
using (log.MeasureInformation(logContext, (ctx, w) => w
.WriteProperty("action", "HandleCommand.")
.WriteProperty("actionId", ctx.id)
.WriteProperty("status", "Completed")
.WriteProperty("commandType", ctx.command)))
{
await next(context);
}
log.LogInformation(logContext, (ctx, w) => w
.WriteProperty("action", "HandleCommand.")
.WriteProperty("actionId", ctx.id)
.WriteProperty("status", "Succeeded")
.WriteProperty("commandType", ctx.command));
}
catch (Exception ex)
{
log.LogError(ex, logContext, (ctx, w) => w
.WriteProperty("action", "HandleCommand.")
.WriteProperty("actionId", ctx.id)
.WriteProperty("status", "Failed")
.WriteProperty("commandType", ctx.command));
throw;
}
if (!context.IsCompleted)
{
log.LogFatal(logContext, (ctx, w) => w
.WriteProperty("action", "HandleCommand.")
.WriteProperty("actionId", ctx.id)
.WriteProperty("status", "Unhandled")
.WriteProperty("commandType", ctx.command));
}
}
private Envelope <IEvent> ParseKnownEvent(StoredEvent message)
{
try
{
var @event = eventDataFormatter.Parse(message.Data);
@event.SetEventPosition(message.EventPosition);
@event.SetEventStreamNumber(message.EventStreamNumber);
return(@event);
}
catch (TypeNameNotFoundException)
{
log.LogDebug(w => w.WriteProperty("oldEventFound", message.Data.Type));
return(null);
}
}
private void HandleInvalidation(string value)
{
try
{
if (string.IsNullOrWhiteSpace(value))
{
return;
}
var parts = value.Split('#');
if (parts.Length < 1)
{
return;
}
if (!Guid.TryParse(parts[0], out Guid sender))
{
return;
}
if (sender != InstanceId)
{
var token = string.Join("#", parts.Skip(1));
subject.OnNext(token);
log.LogDebug(w => w
.WriteProperty("action", "ReceiveRedisMessage")
.WriteProperty("channel", channelName)
.WriteProperty("token", token)
.WriteProperty("state", "Received"));
}
}
catch (Exception ex)
{
log.LogError(ex, w => w
.WriteProperty("action", "ReceiveRedisMessage")
.WriteProperty("channel", channelName)
.WriteProperty("state", "Failed"));
}
}