public Bus(
BusOptions options,
ILogger <Bus> logger,
IStorageApiWrapper storageApiWrapper,
ILifetimeScope lifetimeScope,
IClock clock)
{
_busOptions = options;
_logger = logger;
_storageApiWrapper = storageApiWrapper;
_lifetimeScope = lifetimeScope;
_clock = clock;
MessageHandlerCollection = new MessageHandlerCollection(_clock);
BusId = RandomIdHelper.GetId();
}
public static async Task SendResponse <TResponse>(this IBus dispatcher, Task <TResponse> responseTask,
BusMessage requestMessage)
where TResponse : IResponse
{
var resp = await responseTask;
var parentId = requestMessage.MessageId;
var requestTypeName = typeof(TResponse).Name;
var channelMessage = new BusMessage
{
MessageId = RandomIdHelper.GetId(),
MessageType = requestTypeName,
PayloadJson = JsonSerializer.Serialize((object)resp !),
ParentMessageId = parentId
};
await dispatcher.SendMessage(channelMessage);
}
public static async Task <TResponse> SendRequest <TRequest, TResponse>(this IBus dispatcher,
TRequest request)
where TRequest : IRequest
where TResponse : IResponse
{
var requestTypeName = typeof(TRequest).Name;
var responseTypeName = typeof(TResponse).Name;
var channelMessage = new BusMessage
{
MessageId = RandomIdHelper.GetId(),
MessageType = requestTypeName,
PayloadJson = JsonSerializer.Serialize((object)request)
};
var tcs = new TaskCompletionSource <TResponse>();
dispatcher.RegisterHandler(responseTypeName, (scope, responseMessage) =>
{
if (responseMessage.ParentMessageId == channelMessage.MessageId)
{
var payloadJson = responseMessage.PayloadJson;
if (string.IsNullOrEmpty(payloadJson))
{
return(false);
}
var result = (TResponse)JsonSerializer.Deserialize(payloadJson, typeof(TResponse)) !;
tcs.TrySetResult(result);
return(true);
}
return(false);
}, channelMessage.MessageId);
await dispatcher.SendMessage(channelMessage);
var delay = Task.Delay(TimeSpan.FromSeconds(Bus.DefaultExpiredDuration));
var resultTask = await Task.WhenAny(delay, tcs.Task);
if (resultTask == delay)
{
tcs.TrySetException(new TimeoutException());
}
return(tcs.Task.Result);
}