diff options
Diffstat (limited to 'src/or')
| -rw-r--r-- | src/or/hs_common.c | 16 | ||||
| -rw-r--r-- | src/or/hs_common.h | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/or/hs_common.c b/src/or/hs_common.c index 01bd204e11..0d81063cf7 100644 --- a/src/or/hs_common.c +++ b/src/or/hs_common.c @@ -23,6 +23,7 @@ #include "rendservice.h" #include "router.h" #include "shared_random.h" +#include "shared_random_state.h" /* Ed25519 Basepoint value. Taken from section 5 of * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03 */ @@ -216,6 +217,21 @@ hs_get_next_time_period_num(time_t now) return hs_get_time_period_num(now) + 1; } +/* Return the start time of the upcoming time period based on <b>now</b>. */ +time_t +hs_get_start_time_of_next_time_period(time_t now) +{ + uint64_t time_period_length = get_time_period_length(); + + /* Get start time of next time period */ + uint64_t next_time_period_num = hs_get_next_time_period_num(now); + uint64_t start_of_next_tp_in_mins = next_time_period_num *time_period_length; + + /* Apply rotation offset as specified by prop224 section [TIME-PERIODS] */ + unsigned int time_period_rotation_offset = sr_state_get_phase_duration(); + return start_of_next_tp_in_mins * 60 + time_period_rotation_offset; +} + /* Create a new rend_data_t for a specific given <b>version</b>. * Return a pointer to the newly allocated data structure. */ static rend_data_t * diff --git a/src/or/hs_common.h b/src/or/hs_common.h index cbf1ac113d..519485d576 100644 --- a/src/or/hs_common.h +++ b/src/or/hs_common.h @@ -195,6 +195,7 @@ void hs_get_subcredential(const ed25519_public_key_t *identity_pk, uint64_t hs_get_time_period_num(time_t now); uint64_t hs_get_next_time_period_num(time_t now); +time_t hs_get_start_time_of_next_time_period(time_t now); link_specifier_t *hs_link_specifier_dup(const link_specifier_t *lspec); |