README.statistics

   1                         START
   2                         =====
   3                           |
   4       ,------------------>|<-----------------------------------------------.
   5       |                   |                                                |
   6       |             < article has been deferred already >                  |
   7       |                  no          yes                                   |
   8       |                   |           |                                    |
   9       |                   |        < article exists >                      |
  10       |                   |         yes        no                          |
  11       |                   |          |          |                          |
  12       |                   |<---------'          | missing++                |
  13       |                   |                     |                          |
  14       |                   |offered++           ===                         |
  15       |conn               |                    END                         |
  16       |fails;       < nocheck mode >                                       |
  17       |requeued      yes         no                                        |
  18       |.id/bod/nc   /             |CHECK/IHAVE                             |
  19       |++          |              |offered.ch++                            |
  20       |            |              |                                        |
  21       |            |              |                                        |
  22    ^^^^^^^^        |              |                                        |
  23      at            |              |                                        |
  24      any           |              |                                        |
  25      time          |          ______ < peer response > _________           |
  26                    |       wanted   unwanted   rejected   deferred         |
  27                    |       238/338  438/435     439*      436/431          |
  28                    |         /        |          |           |             |
  29                    |<-------'         |unwanted  |rejected   |deferred     |
  30                    |                  | .id++    | .id++     | .id++       |
  31            < article exists >         |          |           |             |
  32              no        yes           ===        ===          `-----------> |
  33              |          |            END        END                        |
  34              |          |                                                  |
  35              |          |TAKETHIS/body                                     |
  36              |          |sent.ch/.nc++                                     |
  37              |          `-------.                                          |
  38              |                  |                                          |
  39              |                ______ < peer response > _________           |
  40              |           accepted   unwanted   rejected   deferred         |
  41              |           239/235    438*/435*   439/437    436/431*        |
  42              |              |           |           |           |          |
  43              |missing       |accepted   |unwanted   |rejected   |deferred  |
  44              |.bod/nc++     |.bod/nc++  |.bod/nc++  |.bod/nc++  |.bod/nc++ |
  45              |              |           |           |           |          |
  46             ===            ===         ===         ===          `----------'
  47             END            END         END         END
  48
  49 Response codes are <code from CHECK/TAKETHIS>/<code from IHAVE>
  50 * indicates response which is forbidden in this context by RFC4644/3977
  51