[core-dev] Requery during downloading disabled?

Hello everyone, I've been working with are recent Limewire CVS snapshot and noticed that when a search and attempt to download finally enters the tryAllDownloads3() method of the ManagedDownloader class that it actually stops the ability to re-query (perform any more searches for that piece of content). Specifically, it appears that when the   

           while (true) { ... }

portion of  tryAllDownloads3() is entered the ability to continue searching comes to a halt. I am attempting to optimize, if possible, the search process so that a requery can be issued even while the download is in progress. To do this, I tried to re-query from within the    while (true)  loop of the  tryAllDownloads3() method, but that caused an exception and stopped it entirely.

Is it possible, given the way Limewire is currently coded, to requery while a download is in progress? 

On a similar note (possibly related), I noticed that when I use a magnet link that has as its "xs" source a standard Web link (not a Limewire client, but instead a web link) Limewire will only download from that web site and won't bother to query the network. I wonder if this is related to the fact that Limewire can start the download from the web site immediately, and in doing so it enters tryAllDownloads3() before it actually has a chance to query the Gnutella network? Following, for example, is the type of magnet link that I try (not a real one) but for which only one source is allowed (that source being the http:// web site; nothing from the Gnutella network is available):

  magnet:?xt=urn:sha1:EI66YQYRH47K73NNFPSQDUV&dn=SomeMusicFile&xs=http://somwhere.com/path/thefile.mp3

Magnet's such as the above only download from the web site specified by xs, but don't use the Gnutella network -- is that related to the issue of re-query being disabled during downloads or do you think these are two separate issues?

Ideally I'd like to specify a number of sources for xs (so that the download can start from multiple web sites), which Limewire will use to start the download while it queries the larger Gnutell network. Is this possible given the way Limewire is designed today?

With thanks for any advice you might have on these two issues,

Brian
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