NetBSD/lib/libntp/statestr.c

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/* $NetBSD: statestr.c,v 1.4 1998/08/12 14:11:50 christos Exp $ */
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/*
* pretty printing of status information
*/
#include <stdio.h>
#include "ntp_stdlib.h"
#include "ntp_fp.h"
#include "ntp.h"
#include "lib_strbuf.h"
#include "ntp_refclock.h"
#include "ntp_control.h"
#include "ntp_string.h"
/*
* Structure for turning various constants into a readable string.
*/
struct codestring {
int code;
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const char *string;
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};
/*
* Leap values
*/
static
struct codestring leap_codes[] = {
{ LEAP_NOWARNING, "leap_none" },
{ LEAP_ADDSECOND, "leap_add_sec" },
{ LEAP_DELSECOND, "leap_del_sec" },
{ LEAP_NOTINSYNC, "sync_alarm" },
{ -1, "leap" }
};
/*
* Clock source
*/
static
struct codestring sync_codes[] = {
{ CTL_SST_TS_UNSPEC, "sync_unspec" },
{ CTL_SST_TS_ATOM, "sync_atomic" },
{ CTL_SST_TS_LF, "sync_lf_clock" },
{ CTL_SST_TS_HF, "sync_hf_clock" },
{ CTL_SST_TS_UHF, "sync_uhf_clock" },
{ CTL_SST_TS_LOCAL, "sync_local_proto" },
{ CTL_SST_TS_NTP, "sync_ntp" },
{ CTL_SST_TS_UDPTIME, "sync_udp/time" },
{ CTL_SST_TS_WRSTWTCH, "sync_wristwatch" },
{ CTL_SST_TS_TELEPHONE, "sync_telephone" },
{ -1, "sync" }
};
/*
* Peer selection
*/
static
struct codestring select_codes[] = {
{ CTL_PST_SEL_REJECT, "sel_reject" },
{ CTL_PST_SEL_SANE, "sel_sane" },
{ CTL_PST_SEL_CORRECT, "sel_correct" },
{ CTL_PST_SEL_SELCAND, "sel_candidate" },
{ CTL_PST_SEL_SYNCCAND, "sel_sync" },
{ CTL_PST_SEL_DISTSYSPEER, "sel_sys.peer, hi_dist" },
{ CTL_PST_SEL_SYSPEER, "sel_sys.peer" },
{ -1, "sel" }
};
/*
* Clock status
*/
static
struct codestring clock_codes[] = {
{ CTL_CLK_OKAY, "clk_okay" },
{ CTL_CLK_NOREPLY, "clk_noreply" },
{ CTL_CLK_BADFORMAT, "clk_badformat" },
{ CTL_CLK_FAULT, "clk_fault" },
{ CTL_CLK_PROPAGATION, "clk_propagation" },
{ CTL_CLK_BADDATE, "clk_baddate" },
{ CTL_CLK_BADTIME, "clk_badtime" },
{ -1, "clk" }
};
/*
* System Events
*/
static
struct codestring sys_codes[] = {
{ EVNT_UNSPEC, "event_unspec" },
{ EVNT_SYSRESTART, "event_restart" },
{ EVNT_SYSFAULT, "event_fault" },
{ EVNT_SYNCCHG, "event_sync_chg" },
{ EVNT_PEERSTCHG, "event_peer/strat_chg" },
{ EVNT_CLOCKRESET, "event_clock_reset" },
{ EVNT_BADDATETIM, "event_bad_date" },
{ EVNT_CLOCKEXCPT, "event_clock_excptn" },
{ -1, "event" }
};
/*
* Peer Events
*/
static
struct codestring peer_codes[] = {
{ EVNT_UNSPEC, "event_unspec" },
{ EVNT_PEERIPERR & ~PEER_EVENT, "event_ip_err" },
{ EVNT_PEERAUTH & ~PEER_EVENT, "event_authen" },
{ EVNT_UNREACH & ~PEER_EVENT, "event_unreach" },
{ EVNT_REACH & ~PEER_EVENT, "event_reach" },
{ EVNT_PEERCLOCK & ~PEER_EVENT, "event_peer_clock" },
#if 0
{ EVNT_PEERSTRAT & ~PEER_EVENT, "event_stratum_chg" },
#endif
{ -1, "event" }
};
/* Forwards */
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static const char *getcode P((int, struct codestring *));
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static char *getevents P((int));
/*
* getcode - return string corresponding to code
*/
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static const char *
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getcode(code, codetab)
int code;
struct codestring *codetab;
{
static char buf[30];
while (codetab->code != -1) {
if (codetab->code == code)
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return (char *) codetab->string;
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codetab++;
}
(void) sprintf(buf, "%s_%d", codetab->string, code);
return buf;
}
/*
* getevents - return a descriptive string for the event count
*/
static char *
getevents(cnt)
int cnt;
{
static char buf[20];
if (cnt == 0)
return "no events";
(void) sprintf(buf, "%d event%s", cnt, (cnt==1) ? "" : "s");
return buf;
}
/*
* statustoa - return a descriptive string for a peer status
*/
char *
statustoa(type, st)
int type;
int st;
{
char *cb;
u_char pst;
LIB_GETBUF(cb);
switch (type) {
case TYPE_SYS:
(void)strcpy(cb, getcode(CTL_SYS_LI(st), leap_codes));
(void)strcat(cb, ", ");
(void)strcat(cb, getcode(CTL_SYS_SOURCE(st) & ~CTL_SST_TS_PPS, sync_codes));
if (CTL_SYS_SOURCE(st) & CTL_SST_TS_PPS)
(void)strcat(cb, "/PPS");
(void)strcat(cb, ", ");
(void)strcat(cb, getevents(CTL_SYS_NEVNT(st)));
(void)strcat(cb, ", ");
(void)strcat(cb, getcode(CTL_SYS_EVENT(st), sys_codes));
break;
case TYPE_PEER:
/*
* Handcraft the bits
*/
pst = CTL_PEER_STATVAL(st);
if (!(pst & CTL_PST_REACH)) {
(void)strcpy(cb, "unreach");
} else {
(void)strcpy(cb, "reach");
}
if (pst & CTL_PST_CONFIG)
(void)strcat(cb, ", conf");
if (pst & CTL_PST_AUTHENABLE) {
if (!(pst & CTL_PST_REACH) || (pst & CTL_PST_AUTHENTIC))
(void)strcat(cb, ", auth");
else
(void)strcat(cb, ", unauth");
}
/*
* Now the codes
*/
if ((pst & 0x7) != CTL_PST_SEL_REJECT) {
(void)strcat(cb, ", ");
(void)strcat(cb, getcode(pst & 0x7, select_codes));
}
(void)strcat(cb, ", ");
(void)strcat(cb, getevents(CTL_PEER_NEVNT(st)));
if (CTL_PEER_EVENT(st) != EVNT_UNSPEC) {
(void)strcat(cb, ", ");
(void)strcat(cb, getcode(CTL_PEER_EVENT(st),
peer_codes));
}
break;
case TYPE_CLOCK:
(void)strcpy(cb, getcode(((st)>>8) & 0xff, clock_codes));
(void)strcat(cb, ", last_");
(void)strcat(cb, getcode((st) & 0xff, clock_codes));
break;
}
return cb;
}
const char *
eventstr(num)
int num;
{
return getcode(num & ~PEER_EVENT, (num & PEER_EVENT) ? peer_codes : sys_codes);
}
const char *
ceventstr(num)
int num;
{
return getcode(num, clock_codes);
}
const char *
sysstatstr(status)
int status;
{
return statustoa(TYPE_SYS, status);
}
const char *
peerstatstr(status)
int status;
{
return statustoa(TYPE_PEER, status);
}
const char *
clockstatstr(status)
int status;
{
return statustoa(TYPE_CLOCK, status);
}