Mercurial > urweb

annotate tests/DynChannel.ur @ 2293:8be54d7bd06e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Trivial change to benchmark.
author Ziv Scully <ziv@mit.edu>
date Wed, 18 Nov 2015 14:48:24 -0500
parents 3dd041b00087
children
rev   line source
adam@2064 1 table channels : {Id : int, Channel:channel xbody}
adam@2064 2
adam@2064 3 fun dosend (s:string) : transaction unit =
adam@2064 4 c <- oneRow1 (SELECT * FROM channels);
adam@2064 5 debug ("Sending " ^ s ^ " through the channel...");
adam@2064 6 send c.Channel <xml>{[s]}</xml>
adam@2064 7
adam@2064 8 fun mkchannel {} : transaction xbody =
adam@2064 9 c <- channel;
adam@2064 10 s <- source <xml/>;
adam@2064 11 dml( DELETE FROM channels WHERE Id >= 0);
adam@2064 12 dml( INSERT INTO channels(Id, Channel) VALUES(0, {[c]}) );
adam@2064 13 return <xml>
adam@2064 14 <button value="Send" onclick={fn _ => rpc(dosend "blabla")}/>
adam@2064 15 <active code={spawn(x <- recv c; alert ("Got something from the channel"); set s x); return <xml/>}/>
adam@2064 16 <dyn signal={signal s}/>
adam@2064 17 </xml>
adam@2064 18
adam@2064 19 fun main {} : transaction page =
adam@2064 20 s <- source <xml/>;
adam@2064 21 return <xml>
adam@2064 22 <head/>
adam@2064 23 <body>
adam@2064 24 <button value="Register" onclick={fn _ =>
adam@2064 25 x <- rpc(mkchannel {}); set s x
adam@2064 26 }/>
adam@2064 27 <dyn signal={signal s}/>
adam@2064 28 </body>
adam@2064 29 </xml>