protected async Task SendMessageToSubscribersAsync(MessageBusData message, ISerializer serializer)
{
Type messageType = GetMessageBodyType(message);
if (messageType == null)
{
return;
}
var subscribers = _subscribers.Values.Where(s => s.IsAssignableFrom(messageType)).ToList();
if (subscribers.Count == 0)
{
_logger.Trace(() => $"Done sending message to 0 subscribers for message type {messageType.Name}.");
return;
}
object body;
try {
body = await serializer.DeserializeAsync(message.Data, messageType).AnyContext();
} catch (Exception ex) {
_logger.Error(ex, "Error while deserializing messsage body: {0}", ex.Message);
return;
}
if (body == null)
{
_logger.Warn("Unable to send null message for type {0}", messageType.Name);
return;
}
await SendMessageToSubscribersAsync(subscribers, messageType, body).AnyContext();
}
protected Type GetMessageBodyType(MessageBusData message)
{
if (message == null || message.Type == null)
{
return(null);
}
return(GetMappedMessageType(message.Type));
}
protected void SendMessageToSubscribers(MessageBusData message, ISerializer serializer)
{
var messageType = GetMessageBodyType(message);
if (messageType == null)
{
return;
}
SendMessageToSubscribers(messageType, message.Data, serializer);
}
protected void SendMessageToSubscribers(MessageBusData message, ISerializer serializer)
{
Type messageType = GetMessageBodyType(message);
if (!(messageType == (Type)null))
{
List <Subscriber> list = Enumerable.ToList <Subscriber>(Enumerable.Where <Subscriber>((IEnumerable <Subscriber>)_subscribers.Values, (Func <Subscriber, bool>)((Subscriber s) => s.IsAssignableFrom(messageType))));
if (list.Count == 0)
{
if (_logger.IsEnabled(0))
{
LoggerExtensions.LogTrace(_logger, "Done sending message to 0 subscribers for message type {MessageType}.", new object[1]
{
messageType.Name
});
}
}
else
{
object obj;
try
{
obj = serializer.Deserialize(message.Data, messageType);
}
catch (Exception ex)
{
if (_logger.IsEnabled(LogLevel.Warning))
{
LoggerExtensions.LogWarning(_logger, ex, "Error deserializing messsage body: {Message}", new object[1]
{
ex.Message
});
}
return;
}
if (obj == null)
{
if (_logger.IsEnabled(LogLevel.Warning))
{
LoggerExtensions.LogWarning(_logger, "Unable to send null message for type {MessageType}", new object[1]
{
messageType.Name
});
}
}
else
{
SendMessageToSubscribers(list, messageType, obj);
}
}
}
}
protected Type GetMessageBodyType(MessageBusData message)
{
if (message?.Type == null)
{
return(null);
}
return(_knownMessageTypesCache.GetOrAdd(message.Type, type => {
try {
return Type.GetType(type);
} catch (Exception ex) {
_logger.Error(ex, "Error getting message body type: {0}", type);
return null;
}
}));
}
protected void SendMessageToSubscribers(MessageBusData message, ISerializer serializer)
{
var messageType = GetMessageBodyType(message);
if (messageType == null)
{
return;
}
var subscribers = _subscribers.Values.Where(s => s.IsAssignableFrom(messageType)).ToList();
if (subscribers.Count == 0)
{
if (_logger.IsEnabled(LogLevel.Trace))
{
_logger.LogTrace("Done sending message to 0 subscribers for message type {MessageType}.", messageType.Name);
}
return;
}
object body;
try {
body = serializer.Deserialize(message.Data, messageType);
} catch (Exception ex) {
if (_logger.IsEnabled(LogLevel.Warning))
{
_logger.LogWarning(ex, "Error deserializing messsage body: {Message}", ex.Message);
}
return;
}
if (body == null)
{
if (_logger.IsEnabled(LogLevel.Warning))
{
_logger.LogWarning("Unable to send null message for type {MessageType}", messageType.Name);
}
return;
}
SendMessageToSubscribers(subscribers, messageType, body);
}
protected Type GetMessageBodyType(MessageBusData message)
{
if (message?.Type == null)
{
return(null);
}
return(_knownMessageTypesCache.GetOrAdd(message.Type, type => {
try {
return Type.GetType(type);
} catch (Exception ex) {
if (_logger.IsEnabled(LogLevel.Warning))
{
_logger.LogWarning(ex, "Error getting message body type: {MessageType}", type);
}
return null;
}
}));
}
