Have you looked at sente? On Saturday, 6 December 2014 17:03:41 UTC, Lars Ole Avery Simonsen wrote: > > Hi guys > > I am trying to implement Server Sent Event support in a small hobby > project based on the http-kit server framework and compojure. > > I am still quite new to clojure in general, so it may very well be that I > am missing something obvious, but this SSE detail has me stumped. > > What I have tried is to take inspiration from the Eventual > <https://github.com/ninjudd/eventual> library for the SSE implementation > (which is aimed at jetty). I have changed the Eventual implementation so > that it uses the http-kit async-channel implementation for data > transmission. What I am seeing is that everything seems to run without > errors except for the fact that no data is being received at the > EventSource in the browser. > > If I allow the sse channel to close immediately after opening (which is > pretty useless), the initial message is received at the browser side, but > if I keep the connection open, nothing gets received. > > Having had a look at the http-kit internals, my suspicion is that the > socket doesn't get flushed and so all my attempts at communication are > sitting in some buffer somewhere. > > All SSE implementations I have looked at for other platforms have explicit > calls to flush the socket buffers on the long lived connection after each > message transmission. > > Does anyone have any suggestions as to a better way to achieve SSE support > in a http-kit based server? Or maybe ideas as to what I might be doing > wrong? > > Thanks in advance. > > LOAS > >
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