IBB File Transfers not working

augusto_callejas · November 8, 2011, 7:08pm

(reported from a blog posting - this seems like a more appropriate place for this question)

ibb transfers are not working for me. i’m using smack version v 3.2.1 on both clients.

i have two clients logged into the same xmpp account connected to the same server (openfire 3.7.0). i have both "smack debug window"s open. the “smack info” tab on each displays “smack version: 3.2.1”. here is a summary of the messages:

A->B: IQ http://jabber.org/protocol/bytestreams & http://jabber.org/protocol/ibb

B->A: IQ http://jabber.org/protocol/bytestreams & http://jabber.org/protocol/ibb

A->B: IQ query disco#info

A->B: IQ bytestreams.ibb.packet.Open

B->A: IQ smack.util.PacketParserUtils$2

A->B: Message sent (encoded file)

A->B: IQ ibb.packet.Close (end of transfer)

i see the 2nd to last message above in client B’s “raw received packet” tab but not in the “all packets” tab of the “smack debug window”.

on client B i have an IncomingFileTransfer instance that i’m polling - checking when IncomingFileTransfer#isDone returns true or IncomingFileTransfer#getStatus returns error, refused or cancelled. none of these conditions occur. when i periodically print the status, it shows up as:

=====

Initial

Negotiating Stream

In Progress progress

…

=====

it never makes progress, even though it seems it received the xmpp messages with my file.

so a couple questions:

how come it didn’t choose bytestreams even though both clients are on the same local network? (do i need to enable this somehow locally or at the server?)
why does the IncomingFileTransfer object never download my file, even though the “smack debug window” displays that the encoded file was transfered over ibb?

thanks,

augusto.

augusto_callejas · November 8, 2011, 7:32pm

to clarify, i’m using two different resources for the same account (verified in the “sessions” tab of the openfire web app).

augusto_callejas · November 8, 2011, 7:48pm

i’m trying both IncomingFileTransfer#recieveFile(File) and IncomingFileTransfer#recieveFile (which returns a stream). both the File based approach never returns a Status of complete, and the stream based approach blocks on InputStream#read.

augusto_callejas · November 8, 2011, 8:03pm

here are the raw incoming packets of the receiver:

the file is 9911 bytes, and it looks like IBB sends in 4096 byte size messages.

i assume the attribute “seq” would increment as parts of the file are sent, but below i see “seq=0” for both messages received with the encoded file. a close message is sent at the end.

========

7dad4a9ff44759222a6929188d74d64a3771e0adaf54a6e123a7bdbc139c5 8e3http://jabber.org/protocol/bytestreams http://jabber.org/protocol/ibb

UEsDBBQABgAIAAAAIQDd/JU3ZgEAACAFAAATAAgCW0NvbnRlbnRfVHlwZXNdLnhtbCCiBAIooAACAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC0VMtuwjAQvFfqP0S+Vomhh6qqCBz6OLZIpR9g7A1Y 9Uv28vr7bgJEVQtBKuUSKVnvzOzsxIPR2ppsCTFp70rWL3osAye90m5Wso/JS37PsoTCKWG8g5JtILHR 8PpqMNkESBl1u1SyOWJ44DzJOViRCh/AUaXy0Qqk1zjjQchPMQN+2+vdcekdgsMcaww2HDxBJRYGs+c1 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========

Walter_Ebeling · November 8, 2011, 8:44pm

Please check the Smack 3.2.2 trunk in svn at http://fisheye.igniterealtime.org/changelog/svn-org/smack/branches/smack_3_2_0?m ax=30&view=all

The Spark client (trunk) has fixes for IBB file transfer. We were working hard on Smack to identify issues with IBB, but to our knowledge IBB is working. We are unable to reproduce IBB file transfer errors with the current Spark trunk. Hence, we have to conclude that IBB with Smack 3.2.0 trunk are working. Please review IBB related reports in Jira for further analysis.

p.s. There are issues with IBB, if Spark is using a Substance skin. But these are not related (at least to my knowledge) to Smack.

augusto_callejas · November 8, 2011, 9:24pm

is there a way to disable IBB at the client level when i try to transfer a file?

the fact that it isn’t choosing bytestreams first is a bit concerning, and i’d prefer that method of transfering the file anyhow.

thanks,

augusto.

Robin_Collier · November 9, 2011, 2:27am

As Walter has pointed out, the Smack 3.2 branch (not trunk - although that probably works too) is working. In my own tests I was able to transfer files with both bytestream and IBB, but I had to modify the code to force IBB to be used. There are a couple of small errors in the code that have been fixed after 3.2.1, but none will affect a Smack to Smack transfer that I know of.

Note - If you use an InputStream instead of the File based approach, you have to pass off the reading to another thread. Otherwise you will (as you have found out) block Smacks packet reader thread. The file based approach already handles this for you. I think I will add some documentation to that method to make that clear.

baobaonanpo · December 28, 2011, 12:07pm

Hi, rcollier:

I encounter problem when use spack cilent send file to android AVD,

it messages as follows:

0.0

Negotiating Stream

0.0

Negotiating Stream

…and so on.

I search in forum and see your reply as “pass off the reading to another thread”, I do not know whether it can solve my problem, and can you so nice to give me a hand?

Best regard!