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sources: add flag that source is active

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When source is set as active, it's receiving reachability updates (e.g.
offline NTP sources are not active).

Also add function to count active sources.
This commit is contained in:
Miroslav Lichvar
2014-04-10 16:53:28 +02:00
parent bc6b40568d
commit 8671002bd7
4 changed files with 60 additions and 12 deletions
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30
ntp_core.c
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@@ -260,6 +260,9 @@ start_initial_timeout(NCR_Instance inst)
SCH_NtpSamplingClass,
transmit_timeout, (void *)inst);
inst->timer_running = 1;
/* Mark source active */
SRC_SetActive(inst->source);
}
/* ================================================== */
@@ -275,6 +278,9 @@ take_offline(NCR_Instance inst)
/* Mark source unreachable */
SRC_ResetReachability(inst->source);
/* And inactive */
SRC_UnsetActive(inst->source);
}
/* ================================================== */
@@ -339,6 +345,9 @@ NCR_GetInstance(NTP_Remote_Address *remote_addr, NTP_Source_Type type, SourcePar
result->poll_target = params->poll_target;
result->poll_score = 0.0;
/* Create a source instance for this NTP source */
result->source = SRC_CreateNewInstance(UTI_IPToRefid(&remote_addr->ip_addr), SRC_NTP, params->sel_option, &result->remote_addr.ip_addr);
if (params->online) {
start_initial_timeout(result);
result->opmode = MD_ONLINE;
@@ -358,9 +367,6 @@ NCR_GetInstance(NTP_Remote_Address *remote_addr, NTP_Source_Type type, SourcePar
result->remote_poll = 0;
result->remote_stratum = 0;
/* Create a source instance for this NTP source */
result->source = SRC_CreateNewInstance(UTI_IPToRefid(&remote_addr->ip_addr), SRC_NTP, params->sel_option, &result->remote_addr.ip_addr);
result->local_rx.tv_sec = 0;
result->local_rx.tv_usec = 0;
result->local_tx.tv_sec = 0;
@@ -1702,22 +1708,22 @@ NCR_InitiateSampleBurst(NCR_Instance inst, int n_good_samples, int n_total_sampl
break;
case MD_ONLINE:
case MD_OFFLINE:
if (inst->opmode == MD_ONLINE)
inst->opmode = MD_BURST_WAS_ONLINE;
else
inst->opmode = MD_BURST_WAS_OFFLINE;
inst->opmode = MD_BURST_WAS_ONLINE;
inst->burst_good_samples_to_go = n_good_samples;
inst->burst_total_samples_to_go = n_total_samples;
if (inst->timer_running) {
SCH_RemoveTimeout(inst->timeout_id);
}
inst->timer_running = 1;
assert(inst->timer_running);
SCH_RemoveTimeout(inst->timeout_id);
inst->timeout_id = SCH_AddTimeoutInClass(INITIAL_DELAY, SAMPLING_SEPARATION,
SAMPLING_RANDOMNESS,
SCH_NtpSamplingClass,
transmit_timeout, (void *) inst);
break;
case MD_OFFLINE:
inst->opmode = MD_BURST_WAS_OFFLINE;
inst->burst_good_samples_to_go = n_good_samples;
inst->burst_total_samples_to_go = n_total_samples;
start_initial_timeout(inst);
break;
default:
assert(0);
break;