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Only use optimistic data with exits that support it

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This adds a little code complexity: we need to remember for each
node whether it supports the right feature, and then check for each
connection whether it's exiting at such a node.  We store this in a
flag in the edge_connection_t, and set that flag at link time.
This commit is contained in:
Nick Mathewson
2011-07-18 13:56:22 -04:00
parent ba5d758104
commit 1e441df2d0
4 changed files with 72 additions and 16 deletions
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src/or/routerparse.c
+3
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@@ -2092,6 +2092,7 @@ routerstatus_parse_entry_from_string(memarea_t *area,
rs->version_supports_extrainfo_upload = 1;
rs->version_supports_conditional_consensus = 1;
rs->version_supports_microdesc_cache = 1;
rs->version_supports_optimistic_data = 1;
} else {
rs->version_supports_begindir =
tor_version_as_new_as(tok->args[0], "0.2.0.1-alpha");
@@ -2109,6 +2110,8 @@ routerstatus_parse_entry_from_string(memarea_t *area,
*/
rs->version_supports_microdesc_cache =
tor_version_as_new_as(tok->args[0], "0.2.3.0-alpha");
rs->version_supports_optimistic_data =
tor_version_as_new_as(tok->args[0], "0.2.3.1-alpha");
}
if (vote_rs) {
vote_rs->version = tor_strdup(tok->args[0]);