Hi Jim B & Jim A,
Thanks for the replies.
Actually I'm using libUrlFtpUploadFile because some of the files are
movies (some > 100mb), so I don't want to use a blocking command.
The more I think about this, the more I believe it's a libUrl bug. If
socket reuse works for download (which I believe it does), it should
work for upload... Of course my argument is from a desire for the beauty
of symmetry without regard to what's possible - which is how many good
things come into being ;o)
I have a 2-part workaround:
on mouseUp
### WORKAROUND PART 1
put 10 into xServerMax
-- I know the above number from experience;
-- would rather ask FTP server for max
-- but don't know an FTP command for it
libUrlSetFTPStopTime 1 -- set the socket timeout to 1 sec
### WORKAROUND PART1 - end
uploadMyFile tFirstLocalFile, tFirstServerPath
end mouseUp
on uploadMyFile pLocalFile, pServerPath
libUrlFtpUploadFile pLocalFile,pServerPath,"uploadEnded"
end uploadMyFile
on uploadEnded pUrl, pStatus
put pUrl & tab & pStatus & cr after fld "callbackParams"
put nextFileFromList() into p1
put nextServerPath() into p2
### WORKAROUND PART 2
repeat until (the number of lines in the openSockets < xServerMax)
wait 1 tick with messages
end repeat
### WORKAROUND PART 2 - end
send ("uploadMyFile" && p1 & comma & p2) to me in 1 ticks
end uploadEnded
Phil
Jim Bufalini wrote:
Hi Phil,
While using libUrlFtpUploadFile to upload a bunch of files to a server,
I find that libUrlFtpUploadFile opens a new socket for each upload.
Even
using a callback message to start a new one when the current one
finishes, I get a "max number of connections" message back from the
server when the server's max number is reached. After this, the next
few
upload attempts fail due to max number of connections; then as the open
connections time out, new files can successfully upload again.
So... I want to know:
1) Does FTP require a new socket for each upload?
2) If not, how do I tell libUrlFtpUploadFile to reuse an existing open
socket for the next upload?
3) Is there something else I'm missing? Am I making things more
complicated than they need to be? I have a nagging suspicion along this
line...
Here's how my code is structured:
on uploadMyFile pLocalFile, pServerPath
libUrlFtpUploadFile pLocalFile,pServerPath,"uploadEnded"
end uploadMyFile
on uploadEnded pUrl, pStatus
put pUrl & tab & pStatus & cr after fld "callbackParams"
put nextFileFromList() into p1
put nextServerPath() into p2
send ("uploadMyFile" && p1 & comma & p2) to me in 6 ticks
end uploadEnded
Since it doesn't appear that you are using the callback except to know the
upload ended and assuming these files are not huge and you don't need to do
anything else during the upload like show a progress bar or other
processing, you can just use:
Put "binfile:" before pLocalFile
Put URL pLocalFile into URL pServerPath
Unlike libUrlFtpUploadFile, a put URL is blocking, which means your
upLoadMyFile command is paused until the upload completes. If there is an
error, it will be returned in *the result* and you can handle your next
logic in the same handler.
I "believe" that because it's blocking, the socket is closed after the
upload, but someone else can/will correct me on this if I am wrong. ;-)
Aloha from Hawaii,
Jim Bufalini
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Phil Davis
PDS Labs
Professional Software Development
http://pdslabs.net
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