private static async Task ReportExceptionToClient(SubscriptionConnection connection, Exception ex, int recursionDepth = 0)
{
if (recursionDepth == 2)
{
return;
}
try
{
if (ex is SubscriptionDoesNotExistException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.NotFound),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionClosedException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.Closed),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionInvalidStateException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.Invalid),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionInUseException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.InUse),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionDoesNotBelongToNodeException subscriptionDoesNotBelongException)
{
if (connection._logger.IsInfoEnabled)
{
connection._logger.Info("Subscription does not belong to current node", ex);
}
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.Redirect),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Data)] = new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.SubscriptionRedirectData.RedirectedTag)] = subscriptionDoesNotBelongException.AppropriateNode
}
});
}
else if (ex is SubscriptionChangeVectorUpdateConcurrencyException subscriptionConcurrency)
{
if (connection._logger.IsInfoEnabled)
{
connection._logger.Info("Subscription change vector update concurrency error", ex);
}
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.ConcurrencyReconnect),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is CommandExecutionException commandExecution && commandExecution.InnerException is SubscriptionException)
{
await ReportExceptionToClient(connection, commandExecution.InnerException, recursionDepth - 1);
}
else
{
if (connection._logger.IsInfoEnabled)
{
connection._logger.Info("Subscription error", ex);
}
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.Error),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.None),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
}
private static async Task ReportExceptionToClient(SubscriptionConnection connection, Exception ex)
{
try
{
if (ex is SubscriptionDoesNotExistException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.NotFound),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionClosedException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.Closed),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionInvalidStateException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.Invalid),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionInUseException)
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.InUse),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
else if (ex is SubscriptionDoesNotBelongToNodeException subscriptionDoesNotBelongException)
{
if (connection._logger.IsInfoEnabled)
{
connection._logger.Info("Subscription does not belong to current node", ex);
}
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.ConnectionStatus),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.Redirect),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Data)] = new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.SubscriptionRedirectData.RedirectedTag)] = subscriptionDoesNotBelongException.AppropriateNode
}
});
}
else
{
await connection.WriteJsonAsync(new DynamicJsonValue
{
[nameof(SubscriptionConnectionServerMessage.Type)] = nameof(SubscriptionConnectionServerMessage.MessageType.Error),
[nameof(SubscriptionConnectionServerMessage.Status)] = nameof(SubscriptionConnectionServerMessage.ConnectionStatus.None),
[nameof(SubscriptionConnectionServerMessage.Message)] = ex.Message,
[nameof(SubscriptionConnectionServerMessage.Exception)] = ex.ToString()
});
}
}
catch
{
// ignored
}
}