On Jun 4, 2007, at 9:01 PM, Micfox Micfox wrote:
Hi,
As Deluge is supporting multi-hop reprogramming, I wondered which
part of the code is doing the multi-hop forwarding for the newer
packets or pages.For example,
assume node A (installed with TOSBase)is attached with PC, while
node B and node C (Both installed with DelugeBasic) are deployed in
one-hop distance and two-hop distance to Node A. Node B should
forward the image to Node C, right? I searched
DelugePageTransferM.nc and can only find one place with the most
relevant line (I think) in DataRead.readDone():
if (call SendDataMsg.send(nodeAddr, sizeof(DelugeDataMsg), pMsgBuf)
== FAIL)
call Timer.start (TIMER_ONE_SHOT, DELUGE_FAILED_SEND_DELAY);
However, If I attempted to modify this line (with some intentional
bugs), instead of the forwarding malfunctioning, Ping is not
working (from PC via Node A) and freezed on "Getting data for image
[0]..." I figured the above line in Node B might send the image
to Node A rather than sending image to Node C.
The point is that if Deluge supports multi-hop image
dissemination, there must be somewhere in the code that do the
forwarding.... I could not find it so far and I wondered if you
know where is that part doing the multi-hop forwarding.
I checked your Network Programming manual but I could not find
anything related to the above question..
I'd recommend reading the Deluge paper.
Basically, Deluge disseminates a single hop at a time. When a node
fully receives a page, it can advertise the page and send it along to
the next hop.
Phil
_______________________________________________
Tinyos-help mailing list
[email protected]
https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
