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time sync stuff for vps 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8122 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-04-16 22:02:06 +00:00
parent 04aeb7dedb
commit 412e45dd62
3 changed files with 43 additions and 23 deletions
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1
src/include/switch_core.h
View File

@ -1597,6 +1597,7 @@ SWITCH_DECLARE(void) switch_time_sync(void);
SWITCH_DECLARE(time_t) switch_timestamp(time_t *t);
SWITCH_DECLARE(void) switch_load_network_lists(switch_bool_t reload);
SWITCH_DECLARE(switch_bool_t) switch_check_network_list_ip(const char *ip_str, const char *list_name);
SWITCH_DECLARE(void) switch_time_set_monotonic(switch_bool_t enable);
///\}

2
src/switch_core.c
View File

@ -898,6 +898,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_init(switch_core_flag_t flags, switc
runtime.mailer_app_args = switch_core_strdup(runtime.memory_pool, val);
} else if (!strcasecmp(var, "sessions-per-second")) {
switch_core_sessions_per_second(atoi(val));
} else if (!strcasecmp(var, "disable-monotonic-timing")) {
switch_time_set_monotonic(SWITCH_FALSE);
} else if (!strcasecmp(var, "max-sessions")) {
switch_core_session_limit(atoi(val));
}

25
src/switch_time.c
View File

@ -101,6 +101,13 @@ static int MONO = 1;
static int MONO = 0;
#endif
SWITCH_DECLARE(void) switch_time_set_monotonic(switch_bool_t enable)
{
MONO = enable ? 1 : 0;
switch_time_sync();
}
static switch_time_t time_now(int64_t offset)
{
switch_time_t now;
@ -179,10 +186,10 @@ static switch_status_t timer_init(switch_timer_t *timer)
return SWITCH_STATUS_MEMERR;
}
#define check_roll() if (private_info->roll < TIMER_MATRIX[timer->interval].roll) {\
private_info->roll++;\
private_info->reference = private_info->start = TIMER_MATRIX[timer->interval].tick;\
}\
#define check_roll() if (private_info->roll < TIMER_MATRIX[timer->interval].roll) { \
private_info->roll++; \
private_info->reference = private_info->start = TIMER_MATRIX[timer->interval].tick; \
} \
static switch_status_t timer_step(switch_timer_t *timer)
@ -331,6 +338,10 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
runtime.reference += STEP_MIC;
while ((ts = time_now(runtime.offset)) < runtime.reference) {
if (ts < last) {
if (MONO) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Virtual Migration Detected! Syncing Clock\n");
switch_time_sync();
} else {
int64_t diff = (int64_t)(ts - last);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Reverse Clock Skew Detected!\n");
runtime.reference = switch_time_now();
@ -338,6 +349,7 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
tick = 0;
runtime.initiated += diff;
rev_errs++;
}
} else {
rev_errs = 0;
}
@ -347,6 +359,10 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
if (ts > (runtime.reference + too_late)) {
if (MONO) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Virtual Migration Detected! Syncing Clock\n");
switch_time_sync();
} else {
switch_time_t diff = ts - runtime.reference - STEP_MIC;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Forward Clock Skew Detected!\n");
fwd_errs++;
@ -354,6 +370,7 @@ SWITCH_MODULE_RUNTIME_FUNCTION(softtimer_runtime)
current_ms = 0;
tick = 0;
runtime.initiated += diff;
}
} else {
fwd_errs = 0;
}