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ntp: use async name resolving for NTP sources

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Use the new asynchronous call to resolve addresses of NTP servers
configured by the server/peer directives. Introduce a callback to be
notified when the first resolving attempt ends to correctly finish
chronyd initialization (dumpfile reload and reference mode end).
This commit is contained in:
Miroslav Lichvar
2014-04-25 16:58:21 +02:00
parent 779e40ed66
commit 6ee357d230
4 changed files with 133 additions and 49 deletions
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9
ntp_sources.h
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@@ -54,7 +54,14 @@ extern NSR_Status NSR_AddSource(NTP_Remote_Address *remote_addr, NTP_Source_Type
until it succeeds or fails with a non-temporary error. */
extern void NSR_AddUnresolvedSource(char *name, int port, NTP_Source_Type type, SourceParameters *params);
/* Procedure to try resolve unresolved sources immediately. */
/* Function type for handlers to be called back when an attempt
* (possibly unsuccessful) to resolve unresolved sources ends */
typedef void (*NSR_SourceResolvingEndHandler)(void);
/* Set the handler, or NULL to disable the notification */
extern void NSR_SetSourceResolvingEndHandler(NSR_SourceResolvingEndHandler handler);
/* Procedure to start resolving unresolved sources immediately */
extern void NSR_ResolveSources(void);
/* Procedure to start all sources */