コード例 #1
0
ファイル: hibernate.c プロジェクト: ChatSecure/tor
/** Return true iff we have sent/received almost all the bytes we are willing
 * to send/receive this interval. */
static int
hibernate_soft_limit_reached(void)
{
  const uint64_t acct_max = get_options()->AccountingMax;
#define SOFT_LIM_PCT (.95)
#define SOFT_LIM_BYTES (500*1024*1024)
#define SOFT_LIM_MINUTES (3*60)
  /* The 'soft limit' is a fair bit more complicated now than once it was.
   * We want to stop accepting connections when ALL of the following are true:
   *   - We expect to use up the remaining bytes in under 3 hours
   *   - We have used up 95% of our bytes.
   *   - We have less than 500MB of bytes left.
   */
  uint64_t soft_limit = DBL_TO_U64(U64_TO_DBL(acct_max) * SOFT_LIM_PCT);
  if (acct_max > SOFT_LIM_BYTES && acct_max - SOFT_LIM_BYTES > soft_limit) {
    soft_limit = acct_max - SOFT_LIM_BYTES;
  }
  if (expected_bandwidth_usage) {
    const uint64_t expected_usage =
      expected_bandwidth_usage * SOFT_LIM_MINUTES;
    if (acct_max > expected_usage && acct_max - expected_usage > soft_limit)
      soft_limit = acct_max - expected_usage;
  }

  if (!soft_limit)
    return 0;
  return n_bytes_read_in_interval >= soft_limit
    || n_bytes_written_in_interval >= soft_limit;
}
コード例 #2
0
ファイル: hibernate.c プロジェクト: pcostamagna/tor
/** Return true iff we have sent/received almost all the bytes we are willing
 * to send/receive this interval. */
static int
hibernate_soft_limit_reached(void)
{
  uint64_t soft_limit = DBL_TO_U64(U64_TO_DBL(get_options()->AccountingMax)
                                   * .95);
  if (!soft_limit)
    return 0;
  return n_bytes_read_in_interval >= soft_limit
    || n_bytes_written_in_interval >= soft_limit;
}