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annotate TODO @ 270:d6fedc09b052 noffle

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[svn] * src/noffle.c: Rearrange initialisation so that a requested usage message will be output before Noffle can fail due to misconfiguration. Introduce routine (currently stub) for checking file ownership and permissions on startup - I suspect a lot of reported errors are due to ownership problems.
author bears
date Sun, 10 Nov 2002 11:30:40 +0000
parents 79f845db4897
children f35a7d45efd5
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1 -------------------------------------------------------------------------------
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2 NOFFLE Todolist
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3 -------------------------------------------------------------------------------
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4
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5 Urgent
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6 ------
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8 * Tidy data structure initialisation when posting (post.c).
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9
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10 * Post: better checks on posted article (check for duplicate headers,
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11 address in From: headers).
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12
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13 * Post: Only generate Reply-To: from From: if a configuration option set.
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14
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15 * Deal properly with headers split over several lines where the overall
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16 content of the header exceeds MAXCHAR characters (i.e. length of Str).
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18 Later
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19 -----
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21 * Provide list of suggested configurations for popular upstream servers.
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22
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23 * Review latest NNTP draft (http://www.ieft.org/ids.by.wg/nntpext.html).
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24 Noted so far: Implement DATE and OVER. OVER is a synonym for XOVER,
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25 which should continue to work for compatability reasons.
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27 * Review latest Usenet message format (draft).
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28 http://www.ietf.org/ids.by.wg/usefor.html.
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a0a96e1021c3 [svn] Performance of group database
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30 * Improve performance of group database. Using GDBM is a bad choice,
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31 better use a btree from the Berkeley db library in libc.
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32 This will be a good time for a redesign of the group.h interface
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33 with respect to process concurrency if the simple global locking strategy
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34 will be changed in the future.
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36 * Read timeout when running as server and automatically close if client
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37 does not send data for a longer time.
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39 * Implement simple filter using popen or fifos.
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41 * Improve speed of online mode: Keep connection to server open for a while
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43 * Check all in
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44 http://mars.superlink.net/user/tal/writings/news-software-authors.html
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45 (Use NOV library? Use inews for validating posted articles? ... )
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46
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47 * Store requested articles by group + number. This would allow to create
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48 pseudo-groups (like <groupname>.requested) that contained only fully
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49 downloaded articles in overview mode (very nice and clever
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50 idea sent in by a user, it would make using overview mode much easier).
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51 Second advantage: Noffle would work with servers that have retrieving
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52 articles by message-id disabled.
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53
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54 * Expire should clean up empty request/outgoing directories, so they will not
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55 exists forever after a server change.
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56
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57 * Do not log program abortion due to SIGINT, if no inconsistency can occur,
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58 (e.g. when calling 'noffle -d' to a pipe and next program terminates or
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59 pressing ^C).
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60
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61 * Improve www page and documentation.
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62
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63 * Keeping the content list for several lock/unlock times could lead to
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64 inconsistent results, because content list is maybe modified by
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65 pseudo articles. Check this!
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66
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67 * Optimize NEWGROUPS (extra list?)
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68
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69 * Add noffle query option for checking all groups, if they are still
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70 available at the remote server(s) and delete them otherwise.
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71
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72 * In online mode, retrieve full article header from remote server if client
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73 sends a HEAD command. Presently, only the header lines from the overview
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74 are returned and the article is only retrieved on an ARTICLE or BODY command.
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75 The reason for this was that some readers (like pine) retrieve the group
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76 overview by sending lots of HEAD commands and their performance would badly
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77 suffer. On the other hand, some readers (like slrn) cache the header from
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78 a HEAD command, even if a following ARTICLE command gets more header lines,
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79 so that not all header lines are available when reading news in online mode,
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80 before the next start of the reader. But some header lines (e.g. Reply-To)
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81 are important.
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82 Maybe make the behaviour configurable.
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83
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84
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85 User-Wishlist
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86 -------------
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87
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88 * Group requesting: I'd like noffle mantain a whitelist of users who can
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89 request new subscriptions: for instance, if user mardy wants noffle to
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90 fetch headers of it.comp.os.linux, he could just post a message to
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91 noffle.control with something like this in the body:
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92 subscribe-over: it.comp.os.linux
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93
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94
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95 Some day far away
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96 -----------------
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98 * Extend execution of cancel messages to those retrieved from the upstream
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99 server (e.g. by subscribing to control.cancel - only fetching cancels
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100 for groups in the fetchlist would be a good idea, volume in
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101 control.cancel).
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102