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svn path=/trunk/boinc/; revision=1280
This commit is contained in:
Dan Werthimer 2003-06-03 17:52:28 +00:00
parent 7b1e97f765
commit b299ee453c
1 changed files with 6 additions and 4 deletions
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10
client/pers_file_xfer.C
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@ -273,11 +273,11 @@ static inline double rand_fraction()
// return a random integer in the range [min,max)
static inline double rand_range(int min, int max)
{
return rand_fraction() * (max-min) + min
return rand_fraction() * (max-min) + min;
}
// return a random integer in the range [max(MIN,e^n),min(MAX,e^n))
static inline int calculate_exponential_backoff(MIN, MAX, int n)
static inline int calculate_exponential_backoff(int MIN, int MAX, int n)
{
double e = exp(n);
return rand_range(max(MIN, e), min(MAX, e));
@ -289,6 +289,7 @@ static inline int calculate_exponential_backoff(MIN, MAX, int n)
void PERS_FILE_XFER::retry_or_backoff() {
struct tm *newtime;
time_t now;
int backoff = 0;
char buf[256];
now = time(0);
@ -308,9 +309,10 @@ void PERS_FILE_XFER::retry_or_backoff() {
// keeping within the bounds of PERS_RETRY_DELAY_MIN and
// PERS_RETRY_DELAY_MAX
//
next_request_time = now +
calculate_exponential_backoff(
backoff = calculate_exponential_backoff(
PERS_RETRY_DELAY_MIN, PERS_RETRY_DELAY_MAX, nretry);
next_request_time = now + backoff;
}
if (log_flags.file_xfer_debug) {
sprintf(buf,