annotate TODO @ 166:1d92abe57427 noffle

[svn] Make debug logging an option in the config file
author enz
date Sat, 27 Jan 2001 09:57:13 +0000
parents 3d243292468d
children 7ba337dafb2c
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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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7
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8 * Has Client_connect resource leaks if it fails?
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9
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10 * Bug: Lock_closeDatabases must do a Cont_write() if dirty and Lock_openDatabases()
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11 should check if it is necessary to reread the group content using a timestamp.
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1d92abe57427 [svn] Make debug logging an option in the config file
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13 * Make debug logging an option in the config file instead of using
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14 a compile time option. This makes it more comfortable for users helping on
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15 bug searches to switch on debug logging temporarily.
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17 Later
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18 -----
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19
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fbbdc46429b4 [svn] Add handling of connection breakdown during a fetch to later section.
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20 * Make Noffle handle a connection break-down during a fetch more gracefully.
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21 At present it still continues to fetch articles, generating a
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22 retrieving failed article for each article left.
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23
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a0a96e1021c3 [svn] Performance of group database
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24 * Improve performance of group database. Using GDBM is a bad choice,
a0a96e1021c3 [svn] Performance of group database
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25 better use a btree from the Berkeley db library in libc.
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26 This will be a good time for a redesign of the group.h interface
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27 with respect to process concurrency if the simple global locking strategy
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28 will be changed in the future.
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30 * Add "hostname" config option for setting the FQHN in generated message IDs.
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31
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32 * Read timeout when running as server and automatically close if client
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33 does not send data for a longer time.
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35 * Implement simple filter using popen or fifos.
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37 * Make compatible to latest NNTP draft.
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38
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39 * Improve speed of online mode: Keep connection to server open for a while
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41 * Check all in
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42 http://mars.superlink.net/user/tal/writings/news-software-authors.html
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43 (Use NOV library? Use inews for validating posted articles? ... )
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45 * Store requested articles by group + number. This would allow to create
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46 pseudo-groups (like <groupname>.requested) that contained only fully
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47 downloaded articles in overview mode (very nice and clever
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48 idea sent in by a user, it would make using overview mode much easier).
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49 Second advantage: Noffle would work with servers that have retrieving
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50 articles by message-id disabled.
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51
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52 * Expire should clean up empty request/outgoing directories, so they will not
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53 exists forever after a server change.
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54
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55 * Do not log program abortion due to SIGINT, if no inconsistency can occur,
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56 (e.g. when calling 'noffle -d' to a pipe and next program terminates or
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57 pressing ^C).
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58
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59 * Improve www page and documentation.
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60
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61 * Keeping the content list for several lock/unlock times could lead to
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62 inconsistent results, because content list is maybe modified by
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63 pseudo articles. Check this!
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64
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65 * Optimize NEWGROUPS (extra list?)
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66
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67 * Add noffle query option for checking all groups, if they are still
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68 available at the remote server(s) and delete them otherwise.
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70 * In online mode, retrieve full article header from remote server if client
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71 sends a HEAD command. Presently, only the header lines from the overview
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72 are returned and the article is only retrieved on an ARTICLE or BODY command.
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73 The reason for this was that some readers (like pine) retrieve the group
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74 overview by sending lots of HEAD commands and their performance would badly
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75 suffer. On the other hand, some readers (like slrn) cache the header from
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76 a HEAD command, even if a following ARTICLE command gets more header lines,
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77 so that not all header lines are available when reading news in online mode,
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78 before the next start of the reader. But some header lines (e.g. Reply-To)
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79 are important.
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80 Maybe make the behaviour configurable.
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81
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83 User-Wishlist
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84 -------------
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85
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86 * Group requesting: I'd like noffle mantain a whitelist of users who can
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87 request new subscriptions: for instance, if user mardy wants noffle to
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88 fetch headers of it.comp.os.linux, he could just post a message to
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89 noffle.control with something like this in the body:
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90 subscribe-over: it.comp.os.linux
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93 Some day far away
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94 -----------------
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95
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96 * Understand supersedes header (useful for reading news.answers group)
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97
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98 * Get and execute cancel messages (read control.cancel, but use xpat to get
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99 only cancels for groups in fetchlist). Seems to be expensive (20000 headers
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100 a day, takes the remote server to search through)
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101