commit d38aa5545f07eedbf565700674e7d2add871db31 Author: Nick Mathewson nickm@torproject.org Date: Fri Aug 15 18:11:26 2014 -0400

Remove implementation code for all pre-13 consensus methods.

Also remove a test for the way that we generated parameter votes before consensus method 12. --- src/or/dirvote.c | 9 +++------ src/or/dirvote.h | 7 ------- src/or/routerparse.c | 9 +++------ src/test/test_dir.c | 16 ---------------- 4 files changed, 6 insertions(+), 35 deletions(-)

diff --git a/src/or/dirvote.c b/src/or/dirvote.c index 95e24fb..67d14f9 100644 --- a/src/or/dirvote.c +++ b/src/or/dirvote.c @@ -602,6 +602,7 @@ dirvote_compute_params(smartlist_t *votes, int method, int total_authorities) const int n_votes = smartlist_len(votes); smartlist_t *output; smartlist_t *param_list = smartlist_new(); + (void) method;

/* We require that the parameter lists in the votes are well-formed: that is, that their keywords are unique and sorted, and that their values are @@ -648,8 +649,7 @@ dirvote_compute_params(smartlist_t *votes, int method, int total_authorities) /* We've reached the end of a series. */ /* Make sure enough authorities voted on this param, unless the * the consensus method we use is too old for that. */ - if (method < MIN_METHOD_FOR_MAJORITY_PARAMS || - i > total_authorities/2 || + if (i > total_authorities/2 || i >= MIN_VOTES_FOR_PARAM) { int32_t median = median_int32(vals, i); char *out_string = tor_malloc(64+cur_param_len); @@ -1553,9 +1553,7 @@ networkstatus_compute_consensus(smartlist_t *votes, }

/* Fix bug 2203: Do not count BadExit nodes as Exits for bw weights */ - if (consensus_method >= MIN_METHOD_TO_CUT_BADEXIT_WEIGHT) { - is_exit = is_exit && !is_bad_exit; - } + is_exit = is_exit && !is_bad_exit;

{ if (rs_out.has_bandwidth) { @@ -1659,7 +1657,6 @@ networkstatus_compute_consensus(smartlist_t *votes, }

if (flavor == FLAV_MICRODESC && - consensus_method >= MIN_METHOD_FOR_MANDATORY_MICRODESC && tor_digest256_is_zero(microdesc_digest)) { /* With no microdescriptor digest, we omit the entry entirely. */ continue; diff --git a/src/or/dirvote.h b/src/or/dirvote.h index 92440cc..5eecc91 100644 --- a/src/or/dirvote.h +++ b/src/or/dirvote.h @@ -27,13 +27,6 @@ /** The highest consensus method that we currently support. */ #define MAX_SUPPORTED_CONSENSUS_METHOD 18

-/** Lowest consensus method that doesn't count bad exits as exits for weight */ -#define MIN_METHOD_TO_CUT_BADEXIT_WEIGHT 11 - -/** Lowest consensus method that ensures a majority of authorities voted - * for a param. */ -#define MIN_METHOD_FOR_MAJORITY_PARAMS 12 - /** Lowest consensus method where microdesc consensuses omit any entry * with no microdesc. */ #define MIN_METHOD_FOR_MANDATORY_MICRODESC 13 diff --git a/src/or/routerparse.c b/src/or/routerparse.c index 5add728..6546d19 100644 --- a/src/or/routerparse.c +++ b/src/or/routerparse.c @@ -2047,6 +2047,7 @@ networkstatus_verify_bw_weights(networkstatus_t *ns, int consensus_method) double Gtotal=0, Mtotal=0, Etotal=0; const char *casename = NULL; int valid = 1; + (void) consensus_method;

weight_scale = networkstatus_get_weight_scale_param(ns); Wgg = networkstatus_get_bw_weight(ns, "Wgg", -1); @@ -2126,12 +2127,8 @@ networkstatus_verify_bw_weights(networkstatus_t *ns, int consensus_method) // Then, gather G, M, E, D, T to determine case SMARTLIST_FOREACH_BEGIN(ns->routerstatus_list, routerstatus_t *, rs) { int is_exit = 0; - if (consensus_method >= MIN_METHOD_TO_CUT_BADEXIT_WEIGHT) { - /* Bug #2203: Don't count bad exits as exits for balancing */ - is_exit = rs->is_exit && !rs->is_bad_exit; - } else { - is_exit = rs->is_exit; - } + /* Bug #2203: Don't count bad exits as exits for balancing */ + is_exit = rs->is_exit && !rs->is_bad_exit; if (rs->has_bandwidth) { T += rs->bandwidth_kb; if (is_exit && rs->is_possible_guard) { diff --git a/src/test/test_dir.c b/src/test/test_dir.c index c03b63b..71b474d 100644 --- a/src/test/test_dir.c +++ b/src/test/test_dir.c @@ -736,10 +736,6 @@ test_dir_param_voting(void) /* Do the first tests without adding all the other votes, for * networks without many dirauths. */

- res = dirvote_compute_params(votes, 11, 6); - test_streq(res, "ab=90 abcd=20 cw=50 x-yz=-99"); - tor_free(res); - res = dirvote_compute_params(votes, 12, 2); test_streq(res, ""); tor_free(res); @@ -750,10 +746,6 @@ test_dir_param_voting(void)

smartlist_add(votes, &vote2);

- res = dirvote_compute_params(votes, 11, 2); - test_streq(res, "ab=27 abcd=20 cw=5 x-yz=-99"); - tor_free(res); - res = dirvote_compute_params(votes, 12, 2); test_streq(res, "ab=27 cw=5 x-yz=-99"); tor_free(res); @@ -768,10 +760,6 @@ test_dir_param_voting(void)

smartlist_add(votes, &vote3);

- res = dirvote_compute_params(votes, 11, 3); - test_streq(res, "ab=27 abcd=20 c=60 cw=50 x-yz=-9 zzzzz=101"); - tor_free(res); - res = dirvote_compute_params(votes, 12, 3); test_streq(res, "ab=27 abcd=20 cw=50 x-yz=-9"); tor_free(res); @@ -786,10 +774,6 @@ test_dir_param_voting(void)

smartlist_add(votes, &vote4);

- res = dirvote_compute_params(votes, 11, 4); - test_streq(res, "ab=90 abcd=20 c=1 cw=50 x-yz=-9 zzzzz=101"); - tor_free(res); - res = dirvote_compute_params(votes, 12, 4); test_streq(res, "ab=90 abcd=20 cw=50 x-yz=-9"); tor_free(res);