private async void ListenAsync()
{
var ctx = await Task.Factory.FromAsync <HttpListenerContext>(httpListener.BeginGetContext, httpListener.EndGetContext, null);
try
{
ListenAsync();
}
catch (ObjectDisposedException)
{
// disposed, exiting
}
//Console.WriteLine(ctx.Request.HttpMethod + " " + ctx.Request.RawUrl);
var streamWriter = new StreamWriter(ctx.Response.OutputStream);
try
{
var id = ctx.Request.QueryString["id"];
switch (ctx.Request.HttpMethod)
{
case "PUT":
var value = (JObject)JToken.ReadFrom(new JsonTextReader(new StreamReader(ctx.Request.InputStream)));
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentException("id query string must have a value");
}
var stateStr = ctx.Request.QueryString["state"];
EventState state;
Enum.TryParse(stateStr, out state);
var metadata = value.Value <JObject>("@metadata");
value.Remove("@metadata");
await data.EnqueueAsync(id, state, value, metadata);
break;
case "GET":
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentException("id query string must have a value");
}
var stream = data.Read(id);
if (stream == null)
{
ctx.Response.StatusCode = 404;
ctx.Response.StatusDescription = "Not Found";
return;
}
var writer = new JsonTextWriter(streamWriter);
writer.WriteStartObject();
writer.WritePropertyName("Stream");
writer.WriteStartArray();
foreach (var item in stream)
{
writer.WriteStartObject();
writer.WritePropertyName("@metadata");
writer.WriteStartObject();
writer.WritePropertyName("State");
writer.WriteValue(item.State);
writer.WriteEndObject();
item.Data.WriteTo(writer);
writer.WriteEndObject();
}
writer.WriteEndArray();
writer.WriteEndObject();
break;
default:
throw new NotSupportedException("Http Method: " + ctx.Request.HttpMethod);
}
}
catch (Exception e)
{
Console.WriteLine(e);
ctx.Response.StatusCode = 500;
using (var wr = streamWriter)
{
wr.Write(e);
}
}
finally
{
streamWriter.Flush();
ctx.Response.Close();
}
}
public Task EnqueueEventAsync(string streamId, object @event)
{
return(eventsStorage.EnqueueAsync(streamId, EventState.Event, GetSerialized(@event), GetMetadata(@event)));
}