Merge branch 'master' of login.chiark.greenend.org.uk:public-git/innduct

diff --git a/README.statistics b/README.statistics
new file mode 100644 (file)
index 0000000..6c9b931
--- /dev/null
+++ b/README.statistics
@@ -0,0 +1,45 @@
+                       START
+                       =====
+                         |                               
+      ,------------------>|<-----------------------------------------------.
+      |                          |                                                |
+      |                    < article has been deferred already >                  |
+      |                         no          yes                                   |
+      |                          |           |                                    |
+      |                          |        < article exists >                      |
+      |                          |         yes        no                          |
+      |                          |          |          |                          |
+      |                   |<---------'          | missing++                |
+      |                   |                    |                          |
+      |                          |offered++           ===                         |
+      |conn                      |                    END                         |
+      |fails;       < nocheck mode >                                      |
+      |requeued      yes         no                                       |
+      |.id/bod/nc   /                    |  CHECK                                 |
+      |++          |             |offered.ch++                            |
+      |            |             |                                        |
+      |            |             |                                        |
+   ^^^^^^^^        |             |                                        |
+     at            |                     |                                        |
+     any           |             |                                        |
+     time          |          ______ < peer response > _________          |
+                   |      wanted   unwanted   rejected   deferred         |
+                   |                /        |          |           |             |
+                   |<-------'                |unwanted  |rejected   |deferred     |
+                   |                 | .id++    | .id++     | .id++       |
+           < article exists >         |                 |           |             |
+            no        yes           ===        ===          `-----------> |
+            |          |            END        END                        |
+             |                 | TAKETHIS                                         |
+            |          |sent.ch/.nc++                                     |
+            |          |                                                  |
+            |          `-------.                                          |
+            |                  |                                          |
+                    |                ______ < peer response > _________           |
+            |           accepted   unwanted   rejected   deferred         |         
+                    |              |           |           |           |          |
+            |missing       |accepted   |unwanted   |rejected   |deferred  |
+            |.bod/nc++     |.bod/nc++  |.bod/nc++  |.bod/nc++  |.bod/nc++ |
+            |              |           |           |           |          |
+           ===            ===         ===         ===          `----------'
+           END            END         END         END