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Merge branch 'bug8683_rebased' into maint-0.2.4

This commit is contained in:
Nick Mathewson 2013-04-14 21:48:44 -04:00
parent 8aded5b07c f3ae628517
commit a6545d6335
8 changed files with 189 additions and 192 deletions
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184
src/or/dirserv.c
View File

@ -92,8 +92,8 @@ static const signed_descriptor_t *get_signed_descriptor_by_fp(
time_t publish_cutoff);
static was_router_added_t dirserv_add_extrainfo(extrainfo_t *ei,
const char **msg);
static uint32_t dirserv_get_bandwidth_for_router(const routerinfo_t *ri);
static uint32_t dirserv_get_credible_bandwidth(const routerinfo_t *ri);
static uint32_t dirserv_get_bandwidth_for_router_kb(const routerinfo_t *ri);
static uint32_t dirserv_get_credible_bandwidth_kb(const routerinfo_t *ri);
/************** Fingerprint handling code ************/
@ -1776,17 +1776,13 @@ static double guard_wfu = 0.0;
* many seconds. */
static long guard_tk = 0;
/** Any router with a bandwidth at least this high is "Fast" */
static uint32_t fast_bandwidth = 0;
static uint32_t fast_bandwidth_kb = 0;
/** If exits can be guards, then all guards must have a bandwidth this
* high. */
static uint32_t guard_bandwidth_including_exits = 0;
static uint32_t guard_bandwidth_including_exits_kb = 0;
/** If exits can't be guards, then all guards must have a bandwidth this
* high. */
static uint32_t guard_bandwidth_excluding_exits = 0;
/** Total bandwidth of all the routers we're considering. */
static uint64_t total_bandwidth = 0;
/** Total bandwidth of all the exit routers we're considering. */
static uint64_t total_exit_bandwidth = 0;
static uint32_t guard_bandwidth_excluding_exits_kb = 0;
/** Helper: estimate the uptime of a router given its stated uptime and the
* amount of time since it last stated its stated uptime. */
@ -1830,8 +1826,8 @@ dirserv_thinks_router_is_unreliable(time_t now,
}
}
if (need_capacity) {
uint32_t bw = dirserv_get_bandwidth_for_router(router);
if (bw < fast_bandwidth)
uint32_t bw_kb = dirserv_get_credible_bandwidth_kb(router);
if (bw_kb < fast_bandwidth_kb)
return 1;
}
return 0;
@ -1879,7 +1875,7 @@ dirserv_thinks_router_is_hs_dir(const routerinfo_t *router,
/** Don't consider routers with less bandwidth than this when computing
* thresholds. */
#define ABSOLUTE_MIN_BW_VALUE_TO_CONSIDER 4096
#define ABSOLUTE_MIN_BW_VALUE_TO_CONSIDER_KB 4
/** Helper for dirserv_compute_performance_thresholds(): Decide whether to
* include a router in our calculations, and return true iff we should; the
@ -1894,16 +1890,16 @@ router_counts_toward_thresholds(const node_t *node, time_t now,
/* Have measured bw? */
int have_mbw =
dirserv_has_measured_bw(node->ri->cache_info.identity_digest);
uint64_t min_bw = ABSOLUTE_MIN_BW_VALUE_TO_CONSIDER;
uint64_t min_bw_kb = ABSOLUTE_MIN_BW_VALUE_TO_CONSIDER_KB;
const or_options_t *options = get_options();
if (options->TestingTorNetwork) {
min_bw = (int64_t)options->TestingMinExitFlagThreshold;
min_bw_kb = (int64_t)options->TestingMinExitFlagThreshold / 1000;
}
return node->ri && router_is_active(node->ri, node, now) &&
!digestmap_get(omit_as_sybil, node->ri->cache_info.identity_digest) &&
(dirserv_get_credible_bandwidth(node->ri) >= min_bw) &&
(dirserv_get_credible_bandwidth_kb(node->ri) >= min_bw_kb) &&
(have_mbw || !require_mbw);
}
@ -1912,7 +1908,6 @@ router_counts_toward_thresholds(const node_t *node, time_t now,
* the Stable, Fast, and Guard flags. Update the fields stable_uptime,
* stable_mtbf, enough_mtbf_info, guard_wfu, guard_tk, fast_bandwidth,
* guard_bandwidh_including_exits, guard_bandwidth_excluding_exits,
* total_bandwidth, and total_exit_bandwidth.
*
* Also, set the is_exit flag of each router appropriately. */
static void
@ -1920,7 +1915,7 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
digestmap_t *omit_as_sybil)
{
int n_active, n_active_nonexit, n_familiar;
uint32_t *uptimes, *bandwidths, *bandwidths_excluding_exits;
uint32_t *uptimes, *bandwidths_kb, *bandwidths_excluding_exits_kb;
long *tks;
double *mtbfs, *wfus;
time_t now = time(NULL);
@ -1934,13 +1929,11 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
/* initialize these all here, in case there are no routers */
stable_uptime = 0;
stable_mtbf = 0;
fast_bandwidth = 0;
guard_bandwidth_including_exits = 0;
guard_bandwidth_excluding_exits = 0;
fast_bandwidth_kb = 0;
guard_bandwidth_including_exits_kb = 0;
guard_bandwidth_excluding_exits_kb = 0;
guard_tk = 0;
guard_wfu = 0;
total_bandwidth = 0;
total_exit_bandwidth = 0;
/* Initialize arrays that will hold values for each router. We'll
* sort them and use that to compute thresholds. */
@ -1948,9 +1941,9 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
/* Uptime for every active router. */
uptimes = tor_malloc(sizeof(uint32_t)*smartlist_len(rl->routers));
/* Bandwidth for every active router. */
bandwidths = tor_malloc(sizeof(uint32_t)*smartlist_len(rl->routers));
bandwidths_kb = tor_malloc(sizeof(uint32_t)*smartlist_len(rl->routers));
/* Bandwidth for every active non-exit router. */
bandwidths_excluding_exits =
bandwidths_excluding_exits_kb =
tor_malloc(sizeof(uint32_t)*smartlist_len(rl->routers));
/* Weighted mean time between failure for each active router. */
mtbfs = tor_malloc(sizeof(double)*smartlist_len(rl->routers));
@ -1967,18 +1960,15 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
require_mbw)) {
routerinfo_t *ri = node->ri;
const char *id = ri->cache_info.identity_digest;
uint32_t bw;
uint32_t bw_kb;
node->is_exit = (!router_exit_policy_rejects_all(ri) &&
exit_policy_is_general_exit(ri->exit_policy));
uptimes[n_active] = (uint32_t)real_uptime(ri, now);
mtbfs[n_active] = rep_hist_get_stability(id, now);
tks [n_active] = rep_hist_get_weighted_time_known(id, now);
bandwidths[n_active] = bw = dirserv_get_credible_bandwidth(ri);
total_bandwidth += bw;
if (node->is_exit && !node->is_bad_exit) {
total_exit_bandwidth += bw;
} else {
bandwidths_excluding_exits[n_active_nonexit] = bw;
bandwidths_kb[n_active] = bw_kb = dirserv_get_credible_bandwidth_kb(ri);
if (!node->is_exit || node->is_bad_exit) {
bandwidths_excluding_exits_kb[n_active_nonexit] = bw_kb;
++n_active_nonexit;
}
++n_active;
@ -1992,11 +1982,11 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
/* The median mtbf is stable, if we have enough mtbf info */
stable_mtbf = median_double(mtbfs, n_active);
/* The 12.5th percentile bandwidth is fast. */
fast_bandwidth = find_nth_uint32(bandwidths, n_active, n_active/8);
fast_bandwidth_kb = find_nth_uint32(bandwidths_kb, n_active, n_active/8);
/* (Now bandwidths is sorted.) */
if (fast_bandwidth < ROUTER_REQUIRED_MIN_BANDWIDTH/2)
fast_bandwidth = bandwidths[n_active/4];
guard_bandwidth_including_exits = bandwidths[(n_active-1)/2];
if (fast_bandwidth_kb < ROUTER_REQUIRED_MIN_BANDWIDTH/(2 * 1000))
fast_bandwidth_kb = bandwidths_kb[n_active/4];
guard_bandwidth_including_exits_kb = bandwidths_kb[(n_active-1)/2];
guard_tk = find_nth_long(tks, n_active, n_active/8);
}
@ -2005,8 +1995,8 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
{
/* We can vote on a parameter for the minimum and maximum. */
#define ABSOLUTE_MIN_VALUE_FOR_FAST_FLAG 4096
int32_t min_fast, max_fast;
#define ABSOLUTE_MIN_VALUE_FOR_FAST_FLAG 4
int32_t min_fast_kb, max_fast_kb, min_fast, max_fast;
min_fast = networkstatus_get_param(NULL, "FastFlagMinThreshold",
ABSOLUTE_MIN_VALUE_FOR_FAST_FLAG,
ABSOLUTE_MIN_VALUE_FOR_FAST_FLAG,
@ -2016,16 +2006,19 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
}
max_fast = networkstatus_get_param(NULL, "FastFlagMaxThreshold",
INT32_MAX, min_fast, INT32_MAX);
if (fast_bandwidth < (uint32_t)min_fast)
fast_bandwidth = min_fast;
if (fast_bandwidth > (uint32_t)max_fast)
fast_bandwidth = max_fast;
min_fast_kb = min_fast / 1000;
max_fast_kb = max_fast / 1000;
if (fast_bandwidth_kb < (uint32_t)min_fast_kb)
fast_bandwidth_kb = min_fast_kb;
if (fast_bandwidth_kb > (uint32_t)max_fast_kb)
fast_bandwidth_kb = max_fast_kb;
}
/* Protect sufficiently fast nodes from being pushed out of the set
* of Fast nodes. */
if (options->AuthDirFastGuarantee &&
fast_bandwidth > options->AuthDirFastGuarantee)
fast_bandwidth = (uint32_t)options->AuthDirFastGuarantee;
fast_bandwidth_kb > options->AuthDirFastGuarantee/1000)
fast_bandwidth_kb = (uint32_t)options->AuthDirFastGuarantee/1000;
/* Now that we have a time-known that 7/8 routers are known longer than,
* fill wfus with the wfu of every such "familiar" router. */
@ -2050,35 +2043,36 @@ dirserv_compute_performance_thresholds(routerlist_t *rl,
enough_mtbf_info = rep_hist_have_measured_enough_stability();
if (n_active_nonexit) {
guard_bandwidth_excluding_exits =
median_uint32(bandwidths_excluding_exits, n_active_nonexit);
guard_bandwidth_excluding_exits_kb =
median_uint32(bandwidths_excluding_exits_kb, n_active_nonexit);
}
log_info(LD_DIRSERV,
"Cutoffs: For Stable, %lu sec uptime, %lu sec MTBF. "
"For Fast: %lu bytes/sec. "
"For Fast: %lu kilobytes/sec. "
"For Guard: WFU %.03f%%, time-known %lu sec, "
"and bandwidth %lu or %lu bytes/sec. We%s have enough stability data.",
"and bandwidth %lu or %lu kilobytes/sec. "
"We%s have enough stability data.",
(unsigned long)stable_uptime,
(unsigned long)stable_mtbf,
(unsigned long)fast_bandwidth,
(unsigned long)fast_bandwidth_kb,
guard_wfu*100,
(unsigned long)guard_tk,
(unsigned long)guard_bandwidth_including_exits,
(unsigned long)guard_bandwidth_excluding_exits,
(unsigned long)guard_bandwidth_including_exits_kb,
(unsigned long)guard_bandwidth_excluding_exits_kb,
enough_mtbf_info ? "" : " don't ");
tor_free(uptimes);
tor_free(mtbfs);
tor_free(bandwidths);
tor_free(bandwidths_excluding_exits);
tor_free(bandwidths_kb);
tor_free(bandwidths_excluding_exits_kb);
tor_free(tks);
tor_free(wfus);
}
/** Measured bandwidth cache entry */
typedef struct mbw_cache_entry_s {
long mbw;
long mbw_kb;
time_t as_of;
} mbw_cache_entry_t;
@ -2105,13 +2099,13 @@ dirserv_cache_measured_bw(const measured_bw_line_t *parsed_line,
if (e) {
/* Check that we really are newer, and update */
if (as_of > e->as_of) {
e->mbw = parsed_line->bw;
e->mbw_kb = parsed_line->bw_kb;
e->as_of = as_of;
}
} else {
/* We'll have to insert a new entry */
e = tor_malloc(sizeof(*e));
e->mbw = parsed_line->bw;
e->mbw_kb = parsed_line->bw_kb;
e->as_of = as_of;
digestmap_set(mbw_cache, parsed_line->node_id, e);
}
@ -2162,8 +2156,8 @@ dirserv_get_measured_bw_cache_size(void)
* we found it. The bw_out and as_of_out pointers receive the cached
* bandwidth value and the time it was cached if not NULL. */
int
dirserv_query_measured_bw_cache(const char *node_id, long *bw_out,
time_t *as_of_out)
dirserv_query_measured_bw_cache_kb(const char *node_id, long *bw_kb_out,
time_t *as_of_out)
{
mbw_cache_entry_t *v = NULL;
int rv = 0;
@ -2173,7 +2167,7 @@ dirserv_query_measured_bw_cache(const char *node_id, long *bw_out,
if (v) {
/* Found something */
rv = 1;
if (bw_out) *bw_out = v->mbw;
if (bw_kb_out) *bw_kb_out = v->mbw_kb;
if (as_of_out) *as_of_out = v->as_of;
}
}
@ -2185,22 +2179,22 @@ dirserv_query_measured_bw_cache(const char *node_id, long *bw_out,
int
dirserv_has_measured_bw(const char *node_id)
{
return dirserv_query_measured_bw_cache(node_id, NULL, NULL);
return dirserv_query_measured_bw_cache_kb(node_id, NULL, NULL);
}
/** Get the best estimate of a router's bandwidth for dirauth purposes,
* preferring measured to advertised values if available. */
static uint32_t
dirserv_get_bandwidth_for_router(const routerinfo_t *ri)
dirserv_get_bandwidth_for_router_kb(const routerinfo_t *ri)
{
uint32_t bw = 0;
uint32_t bw_kb = 0;
/*
* Yeah, measured bandwidths in measured_bw_line_t are (implicitly
* signed) longs and the ones router_get_advertised_bandwidth() returns
* are uint32_t.
*/
long mbw = 0;
long mbw_kb = 0;
if (ri) {
/*
@ -2208,17 +2202,17 @@ dirserv_get_bandwidth_for_router(const routerinfo_t *ri)
* as_of_out here, on the theory that a stale measured bandwidth is still
* better to trust than an advertised one.
*/
if (dirserv_query_measured_bw_cache(ri->cache_info.identity_digest,
&mbw, NULL)) {
if (dirserv_query_measured_bw_cache_kb(ri->cache_info.identity_digest,
&mbw_kb, NULL)) {
/* Got one! */
bw = (uint32_t)mbw;
bw_kb = (uint32_t)mbw_kb;
} else {
/* If not, fall back to advertised */
bw = router_get_advertised_bandwidth(ri);
bw_kb = router_get_advertised_bandwidth(ri) / 1000;
}
}
return bw;
return bw_kb;
}
/** Look through the routerlist, and using the measured bandwidth cache count
@ -2247,30 +2241,30 @@ dirserv_count_measured_bws(routerlist_t *rl)
* bandwidths, we don't want to ever give flags to unmeasured routers, so
* return 0. */
static uint32_t
dirserv_get_credible_bandwidth(const routerinfo_t *ri)
dirserv_get_credible_bandwidth_kb(const routerinfo_t *ri)
{
int threshold;
uint32_t bw = 0;
long mbw;
uint32_t bw_kb = 0;
long mbw_kb;
tor_assert(ri);
/* Check if we have a measured bandwidth, and check the threshold if not */
if (!(dirserv_query_measured_bw_cache(ri->cache_info.identity_digest,
&mbw, NULL))) {
if (!(dirserv_query_measured_bw_cache_kb(ri->cache_info.identity_digest,
&mbw_kb, NULL))) {
threshold = get_options()->MinMeasuredBWsForAuthToIgnoreAdvertised;
if (routers_with_measured_bw > threshold) {
/* Return zero for unmeasured bandwidth if we are above threshold */
bw = 0;
bw_kb = 0;
} else {
/* Return an advertised bandwidth otherwise */
bw = router_get_advertised_bandwidth(ri);
bw_kb = router_get_advertised_bandwidth_capped(ri) / 1000;
}
} else {
/* We have the measured bandwidth in mbw */
bw = (uint32_t)mbw;
bw_kb = (uint32_t)mbw_kb;
}
return bw;
return bw_kb;
}
/** Give a statement of our current performance thresholds for inclusion
@ -2287,11 +2281,11 @@ dirserv_get_flag_thresholds_line(void)
"enough-mtbf=%d",
(unsigned long)stable_uptime,
(unsigned long)stable_mtbf,
(unsigned long)fast_bandwidth,
(unsigned long)fast_bandwidth_kb*1000,
guard_wfu*100,
(unsigned long)guard_tk,
(unsigned long)guard_bandwidth_including_exits,
(unsigned long)guard_bandwidth_excluding_exits,
(unsigned long)guard_bandwidth_including_exits_kb*1000,
(unsigned long)guard_bandwidth_excluding_exits_kb*1000,
enough_mtbf_info ? 1 : 0);
return result;
@ -2425,7 +2419,7 @@ routerstatus_format_entry(char *buf, size_t buf_len,
if (format != NS_V2) {
const routerinfo_t* desc = router_get_by_id_digest(rs->identity_digest);
uint32_t bw;
uint32_t bw_kb;
if (format != NS_CONTROL_PORT) {
/* Blow up more or less nicely if we didn't get anything or not the
@ -2470,13 +2464,13 @@ routerstatus_format_entry(char *buf, size_t buf_len,
}
if (format == NS_CONTROL_PORT && rs->has_bandwidth) {
bw = rs->bandwidth;
bw_kb = rs->bandwidth_kb;
} else {
tor_assert(desc);
bw = router_get_advertised_bandwidth_capped(desc) / 1000;
bw_kb = router_get_advertised_bandwidth_capped(desc) / 1000;
}
r = tor_snprintf(cp, buf_len - (cp-buf),
"w Bandwidth=%d\n", bw);
"w Bandwidth=%d\n", bw_kb);
if (r<0) {
log_warn(LD_BUG, "Not enough space in buffer.");
@ -2486,7 +2480,7 @@ routerstatus_format_entry(char *buf, size_t buf_len,
if (format == NS_V3_VOTE && vrs && vrs->has_measured_bw) {
*--cp = '\0'; /* Kill "\n" */
r = tor_snprintf(cp, buf_len - (cp-buf),
" Measured=%d\n", vrs->measured_bw);
" Measured=%d\n", vrs->measured_bw_kb);
if (r<0) {
log_warn(LD_BUG, "Not enough space in buffer for weight line.");
return -1;
@ -2520,7 +2514,7 @@ compare_routerinfo_by_ip_and_bw_(const void **a, const void **b)
{
routerinfo_t *first = *(routerinfo_t **)a, *second = *(routerinfo_t **)b;
int first_is_auth, second_is_auth;
uint32_t bw_first, bw_second;
uint32_t bw_kb_first, bw_kb_second;
const node_t *node_first, *node_second;
int first_is_running, second_is_running;
@ -2555,12 +2549,12 @@ compare_routerinfo_by_ip_and_bw_(const void **a, const void **b)
else if (!first_is_running && second_is_running)
return 1;
bw_first = dirserv_get_bandwidth_for_router(first);
bw_second = dirserv_get_bandwidth_for_router(second);
bw_kb_first = dirserv_get_bandwidth_for_router_kb(first);
bw_kb_second = dirserv_get_bandwidth_for_router_kb(second);
if (bw_first > bw_second)
if (bw_kb_first > bw_kb_second)
return -1;
else if (bw_first < bw_second)
else if (bw_kb_first < bw_kb_second)
return 1;
/* They're equal! Compare by identity digest, so there's a
@ -2696,7 +2690,7 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,
int listbaddirs, int vote_on_hsdirs)
{
const or_options_t *options = get_options();
uint32_t routerbw = dirserv_get_credible_bandwidth(ri);
uint32_t routerbw_kb = dirserv_get_credible_bandwidth_kb(ri);
memset(rs, 0, sizeof(routerstatus_t));
@ -2723,9 +2717,9 @@ set_routerstatus_from_routerinfo(routerstatus_t *rs,
if (node->is_fast &&
((options->AuthDirGuardBWGuarantee &&
routerbw >= options->AuthDirGuardBWGuarantee) ||
routerbw >= MIN(guard_bandwidth_including_exits,
guard_bandwidth_excluding_exits)) &&
routerbw_kb >= options->AuthDirGuardBWGuarantee/1000) ||
routerbw_kb >= MIN(guard_bandwidth_including_exits_kb,
guard_bandwidth_excluding_exits_kb)) &&
is_router_version_good_for_possible_guard(ri->platform)) {
long tk = rep_hist_get_weighted_time_known(
node->identity, now);
@ -2820,7 +2814,7 @@ measured_bw_line_parse(measured_bw_line_t *out, const char *orig_line)
}
cp+=strlen("bw=");
out->bw = tor_parse_long(cp, 0, 0, LONG_MAX, &parse_ok, &endptr);
out->bw_kb = tor_parse_long(cp, 0, 0, LONG_MAX, &parse_ok, &endptr);
if (!parse_ok || (*endptr && !TOR_ISSPACE(*endptr))) {
log_warn(LD_DIRSERV, "Invalid bandwidth in bandwidth file line: %s",
escaped(orig_line));
@ -2878,7 +2872,7 @@ measured_bw_line_apply(measured_bw_line_t *parsed_line,
if (rs) {
rs->has_measured_bw = 1;
rs->measured_bw = (uint32_t)parsed_line->bw;
rs->measured_bw_kb = (uint32_t)parsed_line->bw_kb;
} else {
log_info(LD_DIRSERV, "Node ID %s not found in routerstatus list",
parsed_line->node_hex);

4
src/or/dirserv.h
View File

@ -151,8 +151,8 @@ void dirserv_cache_measured_bw(const measured_bw_line_t *parsed_line,
void dirserv_clear_measured_bw_cache(void);
void dirserv_expire_measured_bw_cache(time_t now);
int dirserv_get_measured_bw_cache_size(void);
int dirserv_query_measured_bw_cache(const char *node_id, long *bw_out,
time_t *as_of_out);
int dirserv_query_measured_bw_cache_kb(const char *node_id, long *bw_out,
time_t *as_of_out);
int dirserv_has_measured_bw(const char *node_id);
#endif

42
src/or/dirvote.c
View File

@ -1388,7 +1388,7 @@ networkstatus_compute_consensus(smartlist_t *votes,
char *client_versions = NULL, *server_versions = NULL;
smartlist_t *flags;
const char *flavor_name;
uint32_t max_unmeasured_bw = DEFAULT_MAX_UNMEASURED_BW;
uint32_t max_unmeasured_bw_kb = DEFAULT_MAX_UNMEASURED_BW_KB;
int64_t G=0, M=0, E=0, D=0, T=0; /* For bandwidth weights */
const routerstatus_format_type_t rs_format =
flavor == FLAV_NS ? NS_V3_CONSENSUS : NS_V3_CONSENSUS_MICRODESC;
@ -1600,12 +1600,12 @@ networkstatus_compute_consensus(smartlist_t *votes,
int ok = 0;
char *eq = strchr(max_unmeasured_param, '=');
if (eq) {
max_unmeasured_bw = (uint32_t)
max_unmeasured_bw_kb = (uint32_t)
tor_parse_ulong(eq+1, 10, 1, UINT32_MAX, &ok, NULL);
if (!ok) {
log_warn(LD_DIR, "Bad element '%s' in max unmeasured bw param",
escaped(max_unmeasured_param));
max_unmeasured_bw = DEFAULT_MAX_UNMEASURED_BW;
max_unmeasured_bw_kb = DEFAULT_MAX_UNMEASURED_BW_KB;
}
}
}
@ -1622,9 +1622,10 @@ networkstatus_compute_consensus(smartlist_t *votes,
smartlist_t *chosen_flags = smartlist_new();
smartlist_t *versions = smartlist_new();
smartlist_t *exitsummaries = smartlist_new();
uint32_t *bandwidths = tor_malloc(sizeof(uint32_t) * smartlist_len(votes));
uint32_t *measured_bws = tor_malloc(sizeof(uint32_t) *
smartlist_len(votes));
uint32_t *bandwidths_kb = tor_malloc(sizeof(uint32_t) *
smartlist_len(votes));
uint32_t *measured_bws_kb = tor_malloc(sizeof(uint32_t) *
smartlist_len(votes));
int num_bandwidths;
int num_mbws;
@ -1804,10 +1805,10 @@ networkstatus_compute_consensus(smartlist_t *votes,
/* count bandwidths */
if (rs->has_measured_bw)
measured_bws[num_mbws++] = rs->measured_bw;
measured_bws_kb[num_mbws++] = rs->measured_bw_kb;
if (rs->status.has_bandwidth)
bandwidths[num_bandwidths++] = rs->status.bandwidth;
bandwidths_kb[num_bandwidths++] = rs->status.bandwidth_kb;
} SMARTLIST_FOREACH_END(v);
/* We don't include this router at all unless more than half of
@ -1898,16 +1899,16 @@ networkstatus_compute_consensus(smartlist_t *votes,
if (consensus_method >= 6 && num_mbws > 2) {
rs_out.has_bandwidth = 1;
rs_out.bw_is_unmeasured = 0;
rs_out.bandwidth = median_uint32(measured_bws, num_mbws);
rs_out.bandwidth_kb = median_uint32(measured_bws_kb, num_mbws);
} else if (consensus_method >= 5 && num_bandwidths > 0) {
rs_out.has_bandwidth = 1;
rs_out.bw_is_unmeasured = 1;
rs_out.bandwidth = median_uint32(bandwidths, num_bandwidths);
rs_out.bandwidth_kb = median_uint32(bandwidths_kb, num_bandwidths);
if (consensus_method >= MIN_METHOD_TO_CLIP_UNMEASURED_BW &&
n_authorities_measuring_bandwidth > 2) {
/* Cap non-measured bandwidths. */
if (rs_out.bandwidth > max_unmeasured_bw) {
rs_out.bandwidth = max_unmeasured_bw;
if (rs_out.bandwidth_kb > max_unmeasured_bw_kb) {
rs_out.bandwidth_kb = max_unmeasured_bw_kb;
}
}
}
@ -1919,15 +1920,15 @@ networkstatus_compute_consensus(smartlist_t *votes,
if (consensus_method >= MIN_METHOD_FOR_BW_WEIGHTS) {
if (rs_out.has_bandwidth) {
T += rs_out.bandwidth;
T += rs_out.bandwidth_kb;
if (is_exit && is_guard)
D += rs_out.bandwidth;
D += rs_out.bandwidth_kb;
else if (is_exit)
E += rs_out.bandwidth;
E += rs_out.bandwidth_kb;
else if (is_guard)
G += rs_out.bandwidth;
G += rs_out.bandwidth_kb;
else
M += rs_out.bandwidth;
M += rs_out.bandwidth_kb;
} else {
log_warn(LD_BUG, "Missing consensus bandwidth for router %s",
rs_out.nickname);
@ -2053,7 +2054,8 @@ networkstatus_compute_consensus(smartlist_t *votes,
if (rs_out.has_bandwidth) {
int unmeasured = rs_out.bw_is_unmeasured &&
consensus_method >= MIN_METHOD_TO_CLIP_UNMEASURED_BW;
smartlist_add_asprintf(chunks, "w Bandwidth=%d%s\n", rs_out.bandwidth,
smartlist_add_asprintf(chunks, "w Bandwidth=%d%s\n",
rs_out.bandwidth_kb,
unmeasured?" Unmeasured=1":"");
}
@ -2080,8 +2082,8 @@ networkstatus_compute_consensus(smartlist_t *votes,
smartlist_free(chosen_flags);
smartlist_free(versions);
smartlist_free(exitsummaries);
tor_free(bandwidths);
tor_free(measured_bws);
tor_free(bandwidths_kb);
tor_free(measured_bws_kb);
}
if (consensus_method >= MIN_METHOD_FOR_FOOTER) {

2
src/or/dirvote.h
View File

@ -61,7 +61,7 @@
/** Default bandwidth to clip unmeasured bandwidths to using method >=
* MIN_METHOD_TO_CLIP_UNMEASURED_BW */
#define DEFAULT_MAX_UNMEASURED_BW 20
#define DEFAULT_MAX_UNMEASURED_BW_KB 20
void dirvote_free_all(void);

6
src/or/or.h
View File

@ -2099,7 +2099,7 @@ typedef struct routerstatus_t {
unsigned int bw_is_unmeasured:1; /**< This is a consensus entry, with
* the Unmeasured flag set. */
uint32_t bandwidth; /**< Bandwidth (capacity) of the router as reported in
uint32_t bandwidth_kb; /**< Bandwidth (capacity) of the router as reported in
* the vote/consensus, in kilobytes/sec. */
char *exitsummary; /**< exit policy summary -
* XXX weasel: this probably should not stay a string. */
@ -2345,7 +2345,7 @@ typedef struct vote_routerstatus_t {
char *version; /**< The version that the authority says this router is
* running. */
unsigned int has_measured_bw:1; /**< The vote had a measured bw */
uint32_t measured_bw; /**< Measured bandwidth (capacity) of the router */
uint32_t measured_bw_kb; /**< Measured bandwidth (capacity) of the router */
/** The hash or hashes that the authority claims this microdesc has. */
vote_microdesc_hash_t *microdesc;
} vote_routerstatus_t;
@ -4481,7 +4481,7 @@ typedef enum {
typedef struct measured_bw_line_t {
char node_id[DIGEST_LEN];
char node_hex[MAX_HEX_NICKNAME_LEN+1];
long int bw;
long int bw_kb;
} measured_bw_line_t;
#endif

4
src/or/routerlist.c
View File

@ -1793,7 +1793,7 @@ compute_weighted_bandwidths(const smartlist_t *sl,
"old router selection algorithm.");
return -1;
}
this_bw = kb_to_bytes(node->rs->bandwidth);
this_bw = kb_to_bytes(node->rs->bandwidth_kb);
} else if (node->ri) {
/* bridge or other descriptor not in our consensus */
this_bw = bridge_get_advertised_bandwidth_bounded(node->ri);
@ -1944,7 +1944,7 @@ smartlist_choose_node_by_bandwidth(const smartlist_t *sl,
is_guard = node->is_possible_guard;
if (node->rs) {
if (node->rs->has_bandwidth) {
this_bw = kb_to_bytes(node->rs->bandwidth);
this_bw = kb_to_bytes(node->rs->bandwidth_kb);
} else { /* guess */
is_known = 0;
}

35
src/or/routerparse.c
View File

@ -1966,9 +1966,10 @@ routerstatus_parse_entry_from_string(memarea_t *area,
for (i=0; i < tok->n_args; ++i) {
if (!strcmpstart(tok->args[i], "Bandwidth=")) {
int ok;
rs->bandwidth = (uint32_t)tor_parse_ulong(strchr(tok->args[i], '=')+1,
10, 0, UINT32_MAX,
&ok, NULL);
rs->bandwidth_kb =
(uint32_t)tor_parse_ulong(strchr(tok->args[i], '=')+1,
10, 0, UINT32_MAX,
&ok, NULL);
if (!ok) {
log_warn(LD_DIR, "Invalid Bandwidth %s", escaped(tok->args[i]));
goto err;
@ -1976,7 +1977,7 @@ routerstatus_parse_entry_from_string(memarea_t *area,
rs->has_bandwidth = 1;
} else if (!strcmpstart(tok->args[i], "Measured=") && vote_rs) {
int ok;
vote_rs->measured_bw =
vote_rs->measured_bw_kb =
(uint32_t)tor_parse_ulong(strchr(tok->args[i], '=')+1,
10, 0, UINT32_MAX, &ok, NULL);
if (!ok) {
@ -2351,23 +2352,23 @@ networkstatus_verify_bw_weights(networkstatus_t *ns, int consensus_method)
is_exit = rs->is_exit;
}
if (rs->has_bandwidth) {
T += rs->bandwidth;
T += rs->bandwidth_kb;
if (is_exit && rs->is_possible_guard) {
D += rs->bandwidth;
Gtotal += Wgd*rs->bandwidth;
Mtotal += Wmd*rs->bandwidth;
Etotal += Wed*rs->bandwidth;
D += rs->bandwidth_kb;
Gtotal += Wgd*rs->bandwidth_kb;
Mtotal += Wmd*rs->bandwidth_kb;
Etotal += Wed*rs->bandwidth_kb;
} else if (is_exit) {
E += rs->bandwidth;
Mtotal += Wme*rs->bandwidth;
Etotal += Wee*rs->bandwidth;
E += rs->bandwidth_kb;
Mtotal += Wme*rs->bandwidth_kb;
Etotal += Wee*rs->bandwidth_kb;
} else if (rs->is_possible_guard) {
G += rs->bandwidth;
Gtotal += Wgg*rs->bandwidth;
Mtotal += Wmg*rs->bandwidth;
G += rs->bandwidth_kb;
Gtotal += Wgg*rs->bandwidth_kb;
Mtotal += Wmg*rs->bandwidth_kb;
} else {
M += rs->bandwidth;
Mtotal += Wmm*rs->bandwidth;
M += rs->bandwidth_kb;
Mtotal += Wmm*rs->bandwidth_kb;
}
} else {
log_warn(LD_BUG, "Missing consensus bandwidth for router %s",

104
src/test/test_dir.c
View File

@ -508,7 +508,7 @@ test_dir_split_fps(void *testdata)
}
static void
test_dir_measured_bw(void)
test_dir_measured_bw_kb(void)
{
measured_bw_line_t mbwl;
int i;
@ -564,7 +564,7 @@ test_dir_measured_bw(void)
for (i = 0; strcmp(lines_pass[i], "end"); i++) {
//fprintf(stderr, "Testing: %s %d\n", lines_pass[i], TOR_ISSPACE('\n'));
test_assert(measured_bw_line_parse(&mbwl, lines_pass[i]) == 0);
test_assert(mbwl.bw == 1024);
test_assert(mbwl.bw_kb == 1024);
test_assert(strcmp(mbwl.node_hex,
"557365204145532d32353620696e73746561642e") == 0);
}
@ -577,7 +577,7 @@ test_dir_measured_bw(void)
/** Do the measured bandwidth cache unit test */
static void
test_dir_measured_bw_cache(void)
test_dir_measured_bw_kb_cache(void)
{
/* Initial fake time_t for testing */
time_t curr = MBWC_INIT_TIME;
@ -595,23 +595,23 @@ test_dir_measured_bw_cache(void)
* the node_hex field.
*/
memset(mbwl[0].node_id, 0x01, DIGEST_LEN);
mbwl[0].bw = 20;
mbwl[0].bw_kb = 20;
memset(mbwl[1].node_id, 0x02, DIGEST_LEN);
mbwl[1].bw = 40;
mbwl[1].bw_kb = 40;
memset(mbwl[2].node_id, 0x03, DIGEST_LEN);
mbwl[2].bw = 80;
mbwl[2].bw_kb = 80;
/* Try caching something */
dirserv_cache_measured_bw(&(mbwl[0]), curr);
test_eq(dirserv_get_measured_bw_cache_size(), 1);
/* Okay, let's see if we can retrieve it */
test_assert(dirserv_query_measured_bw_cache(mbwl[0].node_id, &bw, &as_of));
test_assert(dirserv_query_measured_bw_cache_kb(mbwl[0].node_id,&bw, &as_of));
test_eq(bw, 20);
test_eq(as_of, MBWC_INIT_TIME);
/* Try retrieving it without some outputs */
test_assert(dirserv_query_measured_bw_cache(mbwl[0].node_id, NULL, NULL));
test_assert(dirserv_query_measured_bw_cache(mbwl[0].node_id, &bw, NULL));
test_assert(dirserv_query_measured_bw_cache_kb(mbwl[0].node_id,NULL, NULL));
test_assert(dirserv_query_measured_bw_cache_kb(mbwl[0].node_id,&bw, NULL));
test_eq(bw, 20);
test_assert(dirserv_query_measured_bw_cache(mbwl[0].node_id, NULL, &as_of));
test_assert(dirserv_query_measured_bw_cache_kb(mbwl[0].node_id,NULL, &as_of));
test_eq(as_of, MBWC_INIT_TIME);
/* Now expire it */
curr += MAX_MEASUREMENT_AGE + 1;
@ -619,7 +619,7 @@ test_dir_measured_bw_cache(void)
/* Check that the cache is empty */
test_eq(dirserv_get_measured_bw_cache_size(), 0);
/* Check that we can't retrieve it */
test_assert(!dirserv_query_measured_bw_cache(mbwl[0].node_id, NULL, NULL));
test_assert(!dirserv_query_measured_bw_cache_kb(mbwl[0].node_id, NULL, NULL));
/* Try caching a few things now */
dirserv_cache_measured_bw(&(mbwl[0]), curr);
test_eq(dirserv_get_measured_bw_cache_size(), 1);
@ -829,8 +829,8 @@ generate_ri_from_rs(const vote_routerstatus_t *vrs)
* router_get_advertised_bandwidth_capped() of routerlist.c and
* routerstatus_format_entry() of dirserv.c.
*/
r->bandwidthrate = rs->bandwidth * 1000;
r->bandwidthcapacity = rs->bandwidth * 1000;
r->bandwidthrate = rs->bandwidth_kb * 1000;
r->bandwidthcapacity = rs->bandwidth_kb * 1000;
}
return r;
}
@ -952,7 +952,7 @@ vote_tweaks_for_v3ns(networkstatus_t *v, int voter, time_t now)
if (voter == 1) {
measured_bw_line_t mbw;
memset(mbw.node_id, 33, sizeof(mbw.node_id));
mbw.bw = 1024;
mbw.bw_kb = 1024;
test_assert(measured_bw_line_apply(&mbw,
v->routerstatus_list) == 1);
} else if (voter == 2 || voter == 3) {
@ -1048,7 +1048,7 @@ test_vrs_for_v3ns(vote_routerstatus_t *vrs, int voter, time_t now)
(voter == 1 || voter == 2)) {
/* Check the measured bandwidth bits */
test_assert(vrs->has_measured_bw &&
vrs->measured_bw == 1024);
vrs->measured_bw_kb == 1024);
} else {
/*
* Didn't expect this, but the old unit test only checked some of them,
@ -1779,12 +1779,12 @@ test_dir_random_weighted(void *testdata)
;
}
/* Function pointers for test_dir_clip_unmeasured_bw() */
/* Function pointers for test_dir_clip_unmeasured_bw_kb() */
static uint32_t alternate_clip_bw = 0;
/**
* Generate a routerstatus for clip_unmeasured_bw test; based on the
* Generate a routerstatus for clip_unmeasured_bw_kb test; based on the
* v3_networkstatus ones.
*/
static vote_routerstatus_t *
@ -1793,8 +1793,8 @@ gen_routerstatus_for_umbw(int idx, time_t now)
vote_routerstatus_t *vrs = NULL;
routerstatus_t *rs;
tor_addr_t addr_ipv6;
uint32_t max_unmeasured_bw = (alternate_clip_bw > 0) ?
alternate_clip_bw : DEFAULT_MAX_UNMEASURED_BW;
uint32_t max_unmeasured_bw_kb = (alternate_clip_bw > 0) ?
alternate_clip_bw : DEFAULT_MAX_UNMEASURED_BW_KB;
switch (idx) {
case 0:
@ -1818,7 +1818,7 @@ gen_routerstatus_for_umbw(int idx, time_t now)
*/
vrs->has_measured_bw = 1;
rs->has_bandwidth = 1;
vrs->measured_bw = rs->bandwidth = max_unmeasured_bw / 2;
vrs->measured_bw_kb = rs->bandwidth_kb = max_unmeasured_bw_kb / 2;
break;
case 1:
/* Generate the second routerstatus. */
@ -1844,7 +1844,7 @@ gen_routerstatus_for_umbw(int idx, time_t now)
*/
vrs->has_measured_bw = 1;
rs->has_bandwidth = 1;
vrs->measured_bw = rs->bandwidth = 2 * max_unmeasured_bw;
vrs->measured_bw_kb = rs->bandwidth_kb = 2 * max_unmeasured_bw_kb;
break;
case 2:
/* Generate the third routerstatus. */
@ -1868,8 +1868,8 @@ gen_routerstatus_for_umbw(int idx, time_t now)
*/
vrs->has_measured_bw = 0;
rs->has_bandwidth = 1;
vrs->measured_bw = 0;
rs->bandwidth = 2 * max_unmeasured_bw;
vrs->measured_bw_kb = 0;
rs->bandwidth_kb = 2 * max_unmeasured_bw_kb;
break;
case 3:
/* Generate a fourth routerstatus that is not running. */
@ -1892,8 +1892,8 @@ gen_routerstatus_for_umbw(int idx, time_t now)
*/
vrs->has_measured_bw = 0;
rs->has_bandwidth = 1;
vrs->measured_bw = 0;
rs->bandwidth = max_unmeasured_bw / 2;
vrs->measured_bw_kb = 0;
rs->bandwidth_kb = max_unmeasured_bw_kb / 2;
break;
case 4:
/* No more for this test; return NULL */
@ -1922,7 +1922,7 @@ vote_tweaks_for_umbw(networkstatus_t *v, int voter, time_t now)
test_assert(v->supported_methods);
smartlist_clear(v->supported_methods);
/* Method 17 is MIN_METHOD_TO_CLIP_UNMEASURED_BW */
/* Method 17 is MIN_METHOD_TO_CLIP_UNMEASURED_BW_KB */
smartlist_split_string(v->supported_methods,
"1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17",
NULL, 0, -1);
@ -1948,8 +1948,8 @@ test_vrs_for_umbw(vote_routerstatus_t *vrs, int voter, time_t now)
{
routerstatus_t *rs;
tor_addr_t addr_ipv6;
uint32_t max_unmeasured_bw = (alternate_clip_bw > 0) ?
alternate_clip_bw : DEFAULT_MAX_UNMEASURED_BW;
uint32_t max_unmeasured_bw_kb = (alternate_clip_bw > 0) ?
alternate_clip_bw : DEFAULT_MAX_UNMEASURED_BW_KB;
(void)voter;
test_assert(vrs);
@ -1978,8 +1978,8 @@ test_vrs_for_umbw(vote_routerstatus_t *vrs, int voter, time_t now)
test_eq(rs->dir_port, 8000);
test_assert(rs->has_bandwidth);
test_assert(vrs->has_measured_bw);
test_eq(rs->bandwidth, max_unmeasured_bw / 2);
test_eq(vrs->measured_bw, max_unmeasured_bw / 2);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb / 2);
test_eq(vrs->measured_bw_kb, max_unmeasured_bw_kb / 2);
} else if (tor_memeq(rs->identity_digest,
"\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5"
"\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5",
@ -2005,8 +2005,8 @@ test_vrs_for_umbw(vote_routerstatus_t *vrs, int voter, time_t now)
test_eq(rs->ipv6_orport, 4711);
test_assert(rs->has_bandwidth);
test_assert(vrs->has_measured_bw);
test_eq(rs->bandwidth, max_unmeasured_bw * 2);
test_eq(vrs->measured_bw, max_unmeasured_bw * 2);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb * 2);
test_eq(vrs->measured_bw_kb, max_unmeasured_bw_kb * 2);
} else if (tor_memeq(rs->identity_digest,
"\x33\x33\x33\x33\x33\x33\x33\x33\x33\x33"
"\x33\x33\x33\x33\x33\x33\x33\x33\x33\x33",
@ -2018,8 +2018,8 @@ test_vrs_for_umbw(vote_routerstatus_t *vrs, int voter, time_t now)
*/
test_assert(rs->has_bandwidth);
test_assert(!(vrs->has_measured_bw));
test_eq(rs->bandwidth, max_unmeasured_bw * 2);
test_eq(vrs->measured_bw, 0);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb * 2);
test_eq(vrs->measured_bw_kb, 0);
} else if (tor_memeq(rs->identity_digest,
"\x34\x34\x34\x34\x34\x34\x34\x34\x34\x34"
"\x34\x34\x34\x34\x34\x34\x34\x34\x34\x34",
@ -2030,8 +2030,8 @@ test_vrs_for_umbw(vote_routerstatus_t *vrs, int voter, time_t now)
*/
test_assert(rs->has_bandwidth);
test_assert(!(vrs->has_measured_bw));
test_eq(rs->bandwidth, max_unmeasured_bw / 2);
test_eq(vrs->measured_bw, 0);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb / 2);
test_eq(vrs->measured_bw_kb, 0);
} else {
test_assert(0);
}
@ -2050,7 +2050,7 @@ test_consensus_for_umbw(networkstatus_t *con, time_t now)
test_assert(con);
test_assert(!con->cert);
/* test_assert(con->consensus_method >= MIN_METHOD_TO_CLIP_UNMEASURED_BW); */
/* test_assert(con->consensus_method >= MIN_METHOD_TO_CLIP_UNMEASURED_BW_KB); */
test_assert(con->consensus_method >= 16);
test_eq(4, smartlist_len(con->routerstatus_list));
/* There should be four listed routers; all voters saw the same in this */
@ -2066,8 +2066,8 @@ static void
test_routerstatus_for_umbw(routerstatus_t *rs, time_t now)
{
tor_addr_t addr_ipv6;
uint32_t max_unmeasured_bw = (alternate_clip_bw > 0) ?
alternate_clip_bw : DEFAULT_MAX_UNMEASURED_BW;
uint32_t max_unmeasured_bw_kb = (alternate_clip_bw > 0) ?
alternate_clip_bw : DEFAULT_MAX_UNMEASURED_BW_KB;
test_assert(rs);
@ -2093,7 +2093,7 @@ test_routerstatus_for_umbw(routerstatus_t *rs, time_t now)
test_assert(!rs->is_named);
/* This one should have measured bandwidth below the clip cutoff */
test_assert(rs->has_bandwidth);
test_eq(rs->bandwidth, max_unmeasured_bw / 2);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb / 2);
test_assert(!(rs->bw_is_unmeasured));
} else if (tor_memeq(rs->identity_digest,
"\x5\x5\x5\x5\x5\x5\x5\x5\x5\x5"
@ -2124,7 +2124,7 @@ test_routerstatus_for_umbw(routerstatus_t *rs, time_t now)
test_assert(!rs->is_named);
/* This one should have measured bandwidth above the clip cutoff */
test_assert(rs->has_bandwidth);
test_eq(rs->bandwidth, max_unmeasured_bw * 2);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb * 2);
test_assert(!(rs->bw_is_unmeasured));
} else if (tor_memeq(rs->identity_digest,
"\x33\x33\x33\x33\x33\x33\x33\x33\x33\x33"
@ -2135,7 +2135,7 @@ test_routerstatus_for_umbw(routerstatus_t *rs, time_t now)
* and so should be clipped
*/
test_assert(rs->has_bandwidth);
test_eq(rs->bandwidth, max_unmeasured_bw);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb);
test_assert(rs->bw_is_unmeasured);
} else if (tor_memeq(rs->identity_digest,
"\x34\x34\x34\x34\x34\x34\x34\x34\x34\x34"
@ -2146,7 +2146,7 @@ test_routerstatus_for_umbw(routerstatus_t *rs, time_t now)
* and so should not be clipped
*/
test_assert(rs->has_bandwidth);
test_eq(rs->bandwidth, max_unmeasured_bw / 2);
test_eq(rs->bandwidth_kb, max_unmeasured_bw_kb / 2);
test_assert(rs->bw_is_unmeasured);
} else {
/* Weren't expecting this... */
@ -2164,7 +2164,7 @@ test_routerstatus_for_umbw(routerstatus_t *rs, time_t now)
*/
static void
test_dir_clip_unmeasured_bw(void)
test_dir_clip_unmeasured_bw_kb(void)
{
/* Run the test with the default clip bandwidth */
alternate_clip_bw = 0;
@ -2176,20 +2176,20 @@ test_dir_clip_unmeasured_bw(void)
}
/**
* This version of test_dir_clip_unmeasured_bw() uses a non-default choice of
* This version of test_dir_clip_unmeasured_bw_kb() uses a non-default choice of
* clip bandwidth.
*/
static void
test_dir_clip_unmeasured_bw_alt(void)
test_dir_clip_unmeasured_bw_kb_alt(void)
{
/*
* Try a different one; this value is chosen so that the below-the-cutoff
* unmeasured nodes the test uses, at alternate_clip_bw / 2, will be above
* DEFAULT_MAX_UNMEASURED_BW and if the consensus incorrectly uses that
* DEFAULT_MAX_UNMEASURED_BW_KB and if the consensus incorrectly uses that
* cutoff it will fail the test.
*/
alternate_clip_bw = 3 * DEFAULT_MAX_UNMEASURED_BW;
alternate_clip_bw = 3 * DEFAULT_MAX_UNMEASURED_BW_KB;
test_a_networkstatus(gen_routerstatus_for_umbw,
vote_tweaks_for_umbw,
test_vrs_for_umbw,
@ -2209,14 +2209,14 @@ struct testcase_t dir_tests[] = {
DIR_LEGACY(versions),
DIR_LEGACY(fp_pairs),
DIR(split_fps),
DIR_LEGACY(measured_bw),
DIR_LEGACY(measured_bw_kb),
DIR_LEGACY(param_voting),
DIR_LEGACY(v3_networkstatus),
DIR(random_weighted),
DIR(scale_bw),
DIR_LEGACY(clip_unmeasured_bw),
DIR_LEGACY(clip_unmeasured_bw_alt),
DIR_LEGACY(measured_bw_cache),
DIR_LEGACY(clip_unmeasured_bw_kb),
DIR_LEGACY(clip_unmeasured_bw_kb_alt),
DIR_LEGACY(measured_bw_kb_cache),
END_OF_TESTCASES
};