From: Brian Warner <warner@lothar.com> Date: Tue, 23 Feb 2010 21:04:02 +0000 (-0500) Subject: docs/FTP: the Twisted patch (t3462) has landed, will be in the next release X-Git-Url: https://git.rkrishnan.org/Site/Content/Exhibitors/frontends?a=commitdiff_plain;h=cc2fcd700c4429d47ad43bf349944b14d731c6db;p=tahoe-lafs%2Ftahoe-lafs.git docs/FTP: the Twisted patch (t3462) has landed, will be in the next release --- diff --git a/docs/frontends/FTP-and-SFTP.txt b/docs/frontends/FTP-and-SFTP.txt index df63a877..7fe28de3 100644 --- a/docs/frontends/FTP-and-SFTP.txt +++ b/docs/frontends/FTP-and-SFTP.txt @@ -145,70 +145,9 @@ library that is frequently installed as /usr/lib/libcryptopp.a, to avoid problems with non-alphanumerics in filenames). The FTP server requires code in Twisted that enables asynchronous closing of -file-upload operations. This code was not in the Twisted-8.2.0 release, and -has not been committed to SVN trunk as of r27213 (see -http://twistedmatrix.com/trac/ticket/3462 for details). So it may be -necessary to apply the following patch. The Tahoe node will refuse to start -the FTP server if it detects that this patch has not been applied. - -Index: twisted/protocols/ftp.py -=================================================================== ---- twisted/protocols/ftp.py (revision 24956) -+++ twisted/protocols/ftp.py (working copy) -@@ -1049,7 +1049,6 @@ - cons = ASCIIConsumerWrapper(cons) - - d = self.dtpInstance.registerConsumer(cons) -- d.addCallbacks(cbSent, ebSent) - - # Tell them what to doooo - if self.dtpInstance.isConnected: -@@ -1062,6 +1061,8 @@ - def cbOpened(file): - d = file.receive() - d.addCallback(cbConsumer) -+ d.addCallback(lambda ignored: file.close()) -+ d.addCallbacks(cbSent, ebSent) - return d - - def ebOpened(err): -@@ -1434,7 +1435,14 @@ - @rtype: C{Deferred} of C{IConsumer} - """ - -+ def close(): -+ """ -+ Perform any post-write work that needs to be done. This method may -+ only be invoked once on each provider, and will always be invoked -+ after receive(). - -+ @rtype: C{Deferred} of anything: the value is ignored -+ """ - - def _getgroups(uid): - """Return the primary and supplementary groups for the given UID. -@@ -1795,6 +1803,8 @@ - # FileConsumer will close the file object - return defer.succeed(FileConsumer(self.fObj)) - -+ def close(self): -+ return defer.succeed(None) - - - class FTPRealm: -Index: twisted/vfs/adapters/ftp.py -=================================================================== ---- twisted/vfs/adapters/ftp.py (revision 24956) -+++ twisted/vfs/adapters/ftp.py (working copy) -@@ -295,6 +295,11 @@ - """ - return defer.succeed(IConsumer(self.node)) - -+ def close(self): -+ """ -+ Perform post-write actions. -+ """ -+ return defer.succeed(None) - - - class _FileToConsumerAdapter(object): +file-upload operations. This code was landed to Twisted's SVN trunk in r28453 +on 23-Feb-2010, slightly too late for the Twisted-10.0 release, but it should +be present in the next release after that. To use Tahoe's FTP server with +Twisted-10.0 or earlier, you will need to apply the patch attached to +http://twistedmatrix.com/trac/ticket/3462 . The Tahoe node will refuse to +start the FTP server unless it detects the necessary support code in Twisted.