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| author | Nick Mathewson <nickm@torproject.org> | 2005-03-01 22:07:36 +0000 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2005-03-01 22:07:36 +0000 |
| commit | 59ec8ca3f1bbc20a982d1047666cd9483bb07704 (patch) | |
| tree | a7c80c29985774e3c73574333aa4a499d1bb7e85 /doc | |
| parent | 83743d64abd478e9b4b5a0b3adf4e7aa22e6fc86 (diff) | |
| download | tor-59ec8ca3f1bbc20a982d1047666cd9483bb07704.tar.gz tor-59ec8ca3f1bbc20a982d1047666cd9483bb07704.zip | |
Revise tor-spec to add more/better stream end reasons.
svn:r3717
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/tor-spec.txt | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/doc/tor-spec.txt b/doc/tor-spec.txt index 380c840eb6..fd4549ed6f 100644 --- a/doc/tor-spec.txt +++ b/doc/tor-spec.txt @@ -459,16 +459,30 @@ TODO: (very soon) 1 -- REASON_MISC (catch-all for unlisted reasons) 2 -- REASON_RESOLVEFAILED (couldn't look up hostname) - 3 -- REASON_CONNECTFAILED (couldn't connect to host/port) + 3 -- REASON_CONNECTREFUSED (remote host refused connection) [*] 4 -- REASON_EXITPOLICY (OR refuses to connect to host or port) - 5 -- REASON_DESTROY (circuit is being destroyed [???-NM]) - 6 -- REASON_DONE (anonymized TCP connection was closed) - 7 -- REASON_TIMEOUT (OR timed out while connecting [???-NM]) + 5 -- REASON_DESTROY (Circuit is being destroyed) + 6 -- REASON_DONE (Anonymized TCP connection was closed) + 7 -- REASON_TIMEOUT (Connection timed out, or OR timed out + while connecting) + 8 -- (unallocated) [**] + 9 -- REASON_HIBERNATING (OR is temporarily hibernating) + 10 -- REASON_INTERNAL (Internal error at the OR) + 11 -- REASON_RESOURCELIMIT (OR has no resources to fulfill request) + 12 -- REASON_CONNRESET (Connection was unexpectedly reset) (With REASON_EXITPOLICY, the 4-byte IPv4 address or 16-byte IPv6 address forms the optional data; no other reason currently has extra data.) - *** [The rest of this section describes unimplemented functionality.] + OPs and ORs MUST accept reasons not on the above list, since future + versions of Tor may provide more fine-grained reasons. + + [*] Older versions of Tor also send this reason when connections are + reset. + [**] Due to a bug in versions of Tor through 0095, error reason 8 must + remain allocated until that version is obsolete. + + --- [The rest of this section describes unimplemented functionality.] Because TCP connections can be half-open, we follow an equivalent to TCP's FIN/FIN-ACK/ACK protocol to close streams. |