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Posted to issues@guacamole.apache.org by "Jimmy (Jira)" <ji...@apache.org> on 2020/11/18 15:42:00 UTC
[jira] [Reopened] (GUACAMOLE-1214) When sending data more than 6048
bytes, the readNextChunk() function is called only once in
BlobWriter.sendBlob()
[ https://issues.apache.org/jira/browse/GUACAMOLE-1214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy reopened GUACAMOLE-1214:
------------------------------
[~mjumper], Thanks for your reply.
I checked whether "ack" instruction (array_writer.onack()) is called when copying the text more than 6048 bytes in StringWriter.js, but no "ack" instruction is called.
> When sending data more than 6048 bytes, the readNextChunk() function is called only once in BlobWriter.sendBlob()
> -----------------------------------------------------------------------------------------------------------------
>
> Key: GUACAMOLE-1214
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1214
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-client
> Affects Versions: 1.2.0
> Reporter: Jimmy
> Priority: Major
> Attachments: image-2020-11-17-09-25-16-947.png, image-2020-11-17-09-27-14-470.png
>
>
> Because I need to investigate the solution of the copy/paste of an image, I modified some code related to the clipboard.
> When I click the guacamole client page after copy the image, the ManagedClient.setClipboard() function is called to send the blob of the image to the guacamole server.
> !image-2020-11-17-09-25-16-947.png!
> When the size of data to be sent is more than 6048 bytes, the readNextChunk() function is called only once in BlobWriter.sendBlob().
> Because arrayBufferWriter.onack() isn't called.
> !image-2020-11-17-09-27-14-470.png!
> So, only the 6048 bytes are sent in the whole data.
>
> I think that to directly call readNextChunk() after call of arrayBufferWriter.sendData() in chunkLoadComplete() of BlockWriter.js may be a solution.
>
> Please help.
> Thanks.
>
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