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ntp: save source of local timestamps

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Introduce a new structure for local timestamps that will hold the
timestamp with its estimated error and also its source (daemon, kernel
or HW). While at it, reorder parameters of the functions that accept the
timestamps.
This commit is contained in:
Miroslav Lichvar
2016-10-07 15:40:49 +02:00
parent 8f6a1b5318
commit 14c8f07629
5 changed files with 93 additions and 87 deletions
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30
ntp_core.h
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@@ -38,6 +38,18 @@ typedef enum {
NTP_SERVER, NTP_PEER
} NTP_Source_Type;
typedef enum {
NTP_TS_DAEMON = 0,
NTP_TS_KERNEL,
NTP_TS_HARDWARE
} NTP_Timestamp_Source;
typedef struct {
struct timespec ts;
double err;
NTP_Timestamp_Source source;
} NTP_Local_Timestamp;
/* This is a private data type used for storing the instance record for
each source that we are chiming with */
typedef struct NCR_Instance_Record *NCR_Instance;
@@ -63,25 +75,23 @@ extern void NCR_ChangeRemoteAddress(NCR_Instance inst, NTP_Remote_Address *remot
/* This routine is called when a new packet arrives off the network,
and it relates to a source we have an ongoing protocol exchange with */
extern int NCR_ProcessRxKnown(NTP_Packet *message, struct timespec *rx_ts, double rx_ts_err,
NCR_Instance inst, NTP_Local_Address *local_addr, int length);
extern int NCR_ProcessRxKnown(NCR_Instance inst, NTP_Local_Address *local_addr,
NTP_Local_Timestamp *rx_ts, NTP_Packet *message, int length);
/* This routine is called when a new packet arrives off the network,
and we do not recognize its source */
extern void NCR_ProcessRxUnknown(NTP_Packet *message, struct timespec *rx_ts, double rx_ts_err,
NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
int length);
extern void NCR_ProcessRxUnknown(NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
NTP_Local_Timestamp *rx_ts, NTP_Packet *message, int length);
/* This routine is called when a packet is sent to a source we have
an ongoing protocol exchange with */
extern void NCR_ProcessTxKnown(NTP_Packet *message, struct timespec *tx_ts, double tx_ts_err,
NCR_Instance inst, NTP_Local_Address *local_addr, int length);
extern void NCR_ProcessTxKnown(NCR_Instance inst, NTP_Local_Address *local_addr,
NTP_Local_Timestamp *tx_ts, NTP_Packet *message, int length);
/* This routine is called when a packet is sent to a destination we
do not recognize */
extern void NCR_ProcessTxUnknown(NTP_Packet *message, struct timespec *tx_ts, double tx_ts_err,
NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
int length);
extern void NCR_ProcessTxUnknown(NTP_Remote_Address *remote_addr, NTP_Local_Address *local_addr,
NTP_Local_Timestamp *tx_ts, NTP_Packet *message, int length);
/* Slew receive and transmit times in instance records */
extern void NCR_SlewTimes(NCR_Instance inst, struct timespec *when, double dfreq, double doffset);