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Merge branch 'tor-gitlab/mr/635' into maint-0.4.7

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This commit is contained in:
David Goulet 2022-10-26 15:01:40 -04:00
commit 0a49e04691
4 changed files with 25 additions and 7 deletions
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11
changes/bug40698 Normal file
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@ -0,0 +1,11 @@
o Minor bugfixes (dirauth):
- Directory authorities stop voting a consensus "Measured" weight
for relays with the Authority flag. Now these relays will be
considered unmeasured, which should reserve their bandwidth
for their dir auth role and minimize distractions from other
roles. In place of the "Measured" weight, they now include a
"MeasuredButAuthority" weight (not used by anything) so the
bandwidth authority's opinion on this relay can be recorded for
posterity. Lastly, remove the AuthDirDontVoteOnDirAuthBandwidth
torrc option which never worked right. Fixes bugs 40698 and 40700;
bugfix on 0.4.7.2-alpha.

3
src/feature/dirauth/dirauth_options.inc
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@ -138,7 +138,4 @@ CONF_VAR(VersioningAuthoritativeDirectory, BOOL, 0, "0")
* pressure or not. */
CONF_VAR(AuthDirRejectRequestsUnderLoad, BOOL, 0, "1")
/** Boolean: Should we not give bandwidth weight measurements to dirauths? */
CONF_VAR(AuthDirDontVoteOnDirAuthBandwidth, BOOL, 0, "1")
END_CONF_STRUCT(dirauth_options_t)

3
src/feature/dirauth/dirvote.c
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@ -2302,8 +2302,7 @@ networkstatus_compute_consensus(smartlist_t *votes,
smartlist_add_asprintf(chunks, "pr %s\n", chosen_protocol_list);
}
/* Now the weight line. */
if (rs_out.has_bandwidth && (!rs_out.is_authority ||
!dirauth_get_options()->AuthDirDontVoteOnDirAuthBandwidth)) {
if (rs_out.has_bandwidth) {
char *guardfraction_str = NULL;
int unmeasured = rs_out.bw_is_unmeasured;

15
src/feature/nodelist/fmt_routerstatus.c
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@ -169,9 +169,20 @@ routerstatus_format_entry(const routerstatus_t *rs, const char *version,
smartlist_add_asprintf(chunks,
"w Bandwidth=%d", bw_kb);
/* Include the bandwidth weight from our external bandwidth
* authority, if we have one. */
if (format == NS_V3_VOTE && vrs && vrs->has_measured_bw) {
smartlist_add_asprintf(chunks,
" Measured=%d", vrs->measured_bw_kb);
if (!rs->is_authority) { /* normal case */
smartlist_add_asprintf(chunks,
" Measured=%d", vrs->measured_bw_kb);
} else {
/* dir auth special case: don't give it a Measured line, so we
* can reserve its attention for authority-specific activities.
* But do include the bwauth's opinion so it can be recorded for
* posterity. See #40698 for details. */
smartlist_add_asprintf(chunks,
" MeasuredButAuthority=%d", vrs->measured_bw_kb);
}
}
/* Write down guardfraction information if we have it. */
if (format == NS_V3_VOTE && vrs && vrs->status.has_guardfraction) {