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get rid of routerstatus->version_supports_optimistic_data

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Clients are now willing to send optimistic circuit data (before they
receive a 'connected' cell) to relays of any version. We used to
only do it for relays running 0.2.3.1-alpha or later, but now all
relays are new enough.

Resolves ticket 13153.
This commit is contained in:
Roger Dingledine 2014-09-21 19:04:18 -04:00
parent 4c8b809b96
commit bbfb1aca55
4 changed files with 6 additions and 8 deletions
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5
changes/feature13153 Normal file
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@ -0,0 +1,5 @@
o Code simplication:
- Clients are now willing to send optimistic circuit data (before they
receive a 'connected' cell) to relays of any version. We used to
only do it for relays running 0.2.3.1-alpha or later, but now all
relays are new enough. Resolves ticket 13153.

3
src/or/circuituse.c
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@ -2110,8 +2110,7 @@ link_apconn_to_circ(entry_connection_t *apconn, origin_circuit_t *circ,
exitnode->rs) {
/* Okay; we know what exit node this is. */
if (optimistic_data_enabled() &&
circ->base_.purpose == CIRCUIT_PURPOSE_C_GENERAL &&
exitnode->rs->version_supports_optimistic_data)
circ->base_.purpose == CIRCUIT_PURPOSE_C_GENERAL)
apconn->may_use_optimistic_data = 1;
else
apconn->may_use_optimistic_data = 0;

3
src/or/or.h
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@ -2149,9 +2149,6 @@ typedef struct routerstatus_t {
/** True iff this router is a version that, if it caches directory info,
* we can get microdescriptors from. */
unsigned int version_supports_microdesc_cache:1;
/** True iff this router is a version that allows DATA cells to arrive on
* a stream before it has sent a CONNECTED cell. */
unsigned int version_supports_optimistic_data:1;
/** True iff this router has a version that allows it to accept EXTEND2
* cells */
unsigned int version_supports_extend2_cells:1;

3
src/or/routerparse.c
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@ -1916,12 +1916,9 @@ routerstatus_parse_entry_from_string(memarea_t *area,
rs->version_known = 1;
if (strcmpstart(tok->args[0], "Tor ")) {
rs->version_supports_microdesc_cache = 1;
rs->version_supports_optimistic_data = 1;
} else {
rs->version_supports_microdesc_cache =
tor_version_supports_microdescriptors(tok->args[0]);
rs->version_supports_optimistic_data =
tor_version_as_new_as(tok->args[0], "0.2.3.1-alpha");
rs->version_supports_extend2_cells =
tor_version_as_new_as(tok->args[0], "0.2.4.8-alpha");
}