public async Task <ResponseModel> Write(string collectionName, HttpRequest request)
{
try
{
var collectionId = collectionName.ToHash();
var timer = Stopwatch.StartNew();
var payload = new MemoryStream();
await request.Body.CopyToAsync(payload);
if (request.ContentLength.Value != payload.Length)
{
throw new DataMisalignedException();
}
var compressed = payload.ToArray();
var messageBuf = QuickLZ.decompress(compressed);
// A write request is either a request to write new data
// or a request to concat two existing pages.
if (request.Query.ContainsKey("concat") &&
request.Query["concat"].ToArray()[0].ToLower() == "true")
{
await _data.Concat(collectionId, Deserialize(messageBuf));
return(new ResponseModel());
}
else
{
this.Log(string.Format("serialized {0} bytes in {1}", messageBuf.Length, timer.Elapsed));
timer.Restart();
MemoryStream responseStream;
lock (Sync)
{
this.Log("waited for synchronization for {0}", timer.Elapsed);
timer.Restart();
responseStream = _data.Write(collectionId, messageBuf);
timer.Stop();
var t = timer.ElapsedMilliseconds > 0 ? timer.ElapsedMilliseconds : 1;
this.Log(string.Format(
"wrote {0} bytes in {1}: {2} bytes/ms",
messageBuf.Length, timer.Elapsed, messageBuf.Length / t));
}
return(new ResponseModel {
Stream = responseStream, MediaType = "application/octet-stream"
});
}
}
catch (Exception ex)
{
this.Log(ex);
throw;
}
}
