OpenACS / openacs-4 / packages / xotcl-core / tcl

bgdelivery-procs.tcl

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Total Committers: 7
Last Commit: 08 May
Commits this week: 0
Total Lines of Code (LoC): 804
Net change in LoC this week: 0

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Tuesday 08 Aug 2017
1:47 am

gustafn

merged changes from the oacs-5-9 branch and resolved conflicts

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Friday 21 Apr 2017
3:51 pm

gustafn

Fix spelling errors

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Monday 27 Mar 2017
12:33 pm

gustafn

Improve robustness of "file delete" operations

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Friday 11 Nov 2016
1:31 am

gustafn

- add nonces to script elements

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Tuesday 01 Nov 2016
7:54 pm

gustafn

chat-procs overhaul:

- don't double encode everything

- avoid deprecated js functions escape()/unescape()

xowiki/www/ajax/streaming-chat.js, xowiki/www/ajax/scripted-streaming-chat.js

- scripted-mode: fix incorrect markup

- fix parameter passing to xowiki/www/ajax/chat.tcl to avoid rejects

- fix json_encode: one quote to man in xotcl-core/tcl/chat-procs.tcl

- don't dropt "user has_entered_the_room" in "xo::Chat instproc login",

since xowiki chat has otherwise no idea, who is logged in

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Wednesday 30 Dec 2015
7:09 pm

gustafn

- improve class, object and method browser (in collaboration

with acs-api-browser)

- improve xotcl2/nx support (e.g. obtain OpenACS doc-strings

from object, class and method definitions)

- suport for debugging methods from api-doc interface (with

an appropriate nsf version)

- rename xotcl::api to xo::api (same namespace as other OpenACS

specific xotcl stupport functions)

- state clearly that xotcl 2.0 is required

- improve xotcl2/nx support

- remove legacy code

- bump version to 0.142, update dependencies

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Saturday 03 Oct 2015
8:28 pm

gustafn

- use explicit create statements

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Tuesday 18 Aug 2015
2:42 pm

gustafn

- change "info command" -> "info commands"

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Monday 27 Apr 2015
5:28 pm

victorg

Merging back to HEAD all changes that happened in branch oacs-5-8 between tags: vg-merge-oacs-5-8-from-20141027 and vg-merge-oacs-5-8-from-20150427

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Monday 16 Mar 2015
9:57 am

gustafn

- only add encoding to mime-type for text text/* types

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Thursday 29 Jan 2015
10:24 am

gustafn

- improve wrning message

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Monday 27 Oct 2014
5:38 pm

victorg

Merging back to HEAD branch oacs-5-8 (using tag vg-merge-oacs-5-8-from-20141027).

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Tuesday 01 Apr 2014
8:37 pm

gustafn

- The C-library function tmpnam() is deprecated since a while. Therefore naviserver has deprecated ns_tmpnam as well.

Therefore we introduce a new function "ad_tmpnam" which requires just a minimal change and uses ns_mktemp.

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Friday 14 Feb 2014
7:20 pm

gustafn

- change tabs into spaces

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Monday 27 Jan 2014
10:59 am

gustafn

- treat invalid byte ranges as described in rfc2616-sec14

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Tuesday 15 Oct 2013
9:01 am

gustafn

- make it easier to track invalid provided ranges

- use "lassign" instead of multiple "lindex" instructions

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Sunday 13 Oct 2013
8:13 pm

gustafn

- normalize string expressions

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Monday 30 Sep 2013
1:37 pm

gustafn

- don't abbreviate subcommands

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Sunday 29 Sep 2013
10:08 pm

gustafn

- use tcl 8.5 extended index format for "string range"

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Tuesday 24 Sep 2013
11:13 am

gustafn

- fix cancellation of duplicate requests for same-named files (fix provided by Franz Penz and Andreas Mulley)

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Tuesday 17 Sep 2013
7:49 pm

gustafn

- use lassign instead of "foreach ... break" idiom

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Thursday 21 Mar 2013
10:58 pm

gustafn

- use new naviserver command ns_driversection if available to determine writer spooling

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Thursday 21 Feb 2013
1:31 pm

gustafn

- bgdelivery-procs:

* refactor subscriber logic to avoid code duplication

* implement sweeper to check for stale connections

- chat-procs:

* call bgdelivery sweeper from chat sweeper

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Sunday 17 Feb 2013
12:48 pm

gustafn

- Added the changes mostly provided by Antonio Pisano to update the comet behavior for current browsers, which provide nowadays often more complete HTTP stacks.

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Thursday 14 Feb 2013
7:28 pm

gustafn

- fix parametrization of ns_writer for range requests

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Tuesday 29 Jan 2013
8:39 am

gustafn

- changed comet output to chunked encoding

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Thursday 06 Dec 2012
1:03 pm

gustafn

use lassign instead of lset

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12:55 pm

gustafn

make sure to configure the channel to nonblocking before we close. A close to a blocking channel can block and can therefore block all spools and therefore potentially the full server.

Background: Tcl's fcopy sets a channel to non-blocking. In earlier Tcl versions, the channel was left in the non-blocking state, also after fcopy terminates (e.g. in error cases).

Newer Tcl versions seem to reestablish the earlier state, so we have to care now for the problem in bgdelivery.

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Saturday 03 Nov 2012
3:45 pm

gustafn

- use naviserver writer thread if configured

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Friday 02 Nov 2012
12:40 pm

gustafn

Avoid potential attacks via too many open files.

Background: Tcl uses still select() for event processing, which has a pretty much hardcoded limit of max 1024 files (one has to recompile Tcl, libc, and maybe the kernel). With bgdelivery it is possible to deliver more than 1000 files simultaneously, but Tcl panics, when the number of descriptors is too large. We experienced the problem in a sitation, where the 1000+ requests were produced from a incorrect browser behavior (e.g. iPad issues a series of range requests rapidly without closing the last requests); bgdelivery allows now just one spooling request for a file from a user at one time.

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