<div dir="ltr">Hello Hannes,<div><br></div><div>There's no fundamental reason that Mosh couldn't support an application-specific local echo model. Look in src/frontend/terminaloverlay.cc (<a href="https://github.com/keithw/mosh/blob/master/src/frontend/terminaloverlay.cc">https://github.com/keithw/mosh/blob/master/src/frontend/terminaloverlay.cc</a>) for the current code.</div>
<div><br></div><div>You *might* be better off just writing your thing as a separate wrapper program that the user would run before they run Mosh or SSH. (Look at our src/examples/termemu.cc for an example of this.) This could just interpret the user's keystrokes and do whatever you want with them, rather than trying to be another part of Mosh itself.</div>
<div><br></div><div>Mosh itself benefits from having the prediction be tied in with the networking, because we want to know which user keystrokes have been seen by the server (in order to know whether our predictions were confirmed or rejected). But if you're really just making a local user interface for a particular application, there's a lot less ambiguity about trying to infer if your "predictions" are correct and you could do this as a straight-up wrapper program on the client side.</div>
<div><br></div><div>Good luck!</div><div><br></div><div>Cheers,</div><div>Keith</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Aug 18, 2013 at 5:24 PM, HannesJvV (alt email) <span dir="ltr"><<a href="mailto:slimkind7@gmail.com" target="_blank">slimkind7@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>I understand Mosh uses a simplified model of server-side activity to give "intelligent local echo", but I'm not clear on the details. Can Mosh use application-specific local echo models?<br>
<br></div>I'm asking because I would love to play Dungeon Crawl online but I live in Africa, far away from any server. Lag makes playing over SSH absolutely unbearable. I'm thinking that Mosh with crawl-specific local echo model could at least make the lag a lot more bearable and would be a big step forward for roguelikes in general.<br>
<br></div>I understand that with roguelikes there would be many cases where Mosh wouldn't really help (just as with complex commands in Vim) and that this would be complicated to pull off. But simple things can go a long way: if I've been waiting for a response from the server for the past few seconds after giving a movement command, I might as well check out my spell list or inventory or examine a monster while I'm waiting for it. This is impossible with SSH, but I think it might well be doable with Mosh if it can take 'local echo plugins'.<br>
</div>
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