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authorroberto <roberto@FreeBSD.org>2008-08-17 17:37:33 +0000
committerroberto <roberto@FreeBSD.org>2008-08-17 17:37:33 +0000
commit4ded1c1fa0bc21c61f91a2dbe864835986745121 (patch)
tree16d100fbc9dae63888d48b464e471ba0e5065193 /contrib/ntp/ntpd/ntp_util.c
parent8b5a86d4fda08a9c68231415812edcb26be52f79 (diff)
downloadFreeBSD-src-4ded1c1fa0bc21c61f91a2dbe864835986745121.zip
FreeBSD-src-4ded1c1fa0bc21c61f91a2dbe864835986745121.tar.gz
Flatten the dist and various 4.n.n trees in preparation of future ntp imports.
Diffstat (limited to 'contrib/ntp/ntpd/ntp_util.c')
-rw-r--r--contrib/ntp/ntpd/ntp_util.c797
1 files changed, 0 insertions, 797 deletions
diff --git a/contrib/ntp/ntpd/ntp_util.c b/contrib/ntp/ntpd/ntp_util.c
deleted file mode 100644
index 135f9b3..0000000
--- a/contrib/ntp/ntpd/ntp_util.c
+++ /dev/null
@@ -1,797 +0,0 @@
-/*
- * ntp_util.c - stuff I didn't have any other place for
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "ntpd.h"
-#include "ntp_io.h"
-#include "ntp_unixtime.h"
-#include "ntp_filegen.h"
-#include "ntp_if.h"
-#include "ntp_stdlib.h"
-
-#include <stdio.h>
-#include <ctype.h>
-#include <sys/types.h>
-#ifdef HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
-
-#ifdef HAVE_IEEEFP_H
-# include <ieeefp.h>
-#endif
-#ifdef HAVE_MATH_H
-# include <math.h>
-#endif
-
-#ifdef DOSYNCTODR
-#if !defined(VMS)
-#include <sys/resource.h>
-#endif /* VMS */
-#endif
-
-#if defined(VMS)
-#include <descrip.h>
-#endif /* VMS */
-
-/*
- * This contains odds and ends. Right now the only thing you'll find
- * in here is the hourly stats printer and some code to support
- * rereading the keys file, but I may eventually put other things in
- * here such as code to do something with the leap bits.
- */
-/*
- * Name of the keys file
- */
-static char *key_file_name;
-
-/*
- * The name of the drift_comp file and the temporary.
- */
-static char *stats_drift_file;
-static char *stats_temp_file;
-
-/*
- * Statistics file stuff
- */
-#ifndef NTP_VAR
-#ifndef SYS_WINNT
-#define NTP_VAR "/var/NTP/" /* NOTE the trailing '/' */
-#else
-#define NTP_VAR "c:\\var\\ntp\\" /* NOTE the trailing '\\' */
-#endif /* SYS_WINNT */
-#endif
-
-#ifndef MAXPATHLEN
-#define MAXPATHLEN 256
-#endif
-
-static char statsdir[MAXPATHLEN] = NTP_VAR;
-
-static FILEGEN peerstats;
-static FILEGEN loopstats;
-static FILEGEN clockstats;
-static FILEGEN rawstats;
-static FILEGEN sysstats;
-#ifdef OPENSSL
-static FILEGEN cryptostats;
-#endif /* OPENSSL */
-
-/*
- * This controls whether stats are written to the fileset. Provided
- * so that ntpdc can turn off stats when the file system fills up.
- */
-int stats_control;
-
-/*
- * init_util - initialize the utilities
- */
-void
-init_util(void)
-{
- stats_drift_file = 0;
- stats_temp_file = 0;
- key_file_name = 0;
-
-#define PEERNAME "peerstats"
-#define LOOPNAME "loopstats"
-#define CLOCKNAME "clockstats"
-#define RAWNAME "rawstats"
-#define STANAME "systats"
-#ifdef OPENSSL
-#define CRYPTONAME "cryptostats"
-#endif /* OPENSSL */
-
- peerstats.fp = NULL;
- peerstats.prefix = &statsdir[0];
- peerstats.basename = (char*)emalloc(strlen(PEERNAME)+1);
- strcpy(peerstats.basename, PEERNAME);
- peerstats.id = 0;
- peerstats.type = FILEGEN_DAY;
- peerstats.flag = FGEN_FLAG_LINK; /* not yet enabled !!*/
- filegen_register("peerstats", &peerstats);
-
- loopstats.fp = NULL;
- loopstats.prefix = &statsdir[0];
- loopstats.basename = (char*)emalloc(strlen(LOOPNAME)+1);
- strcpy(loopstats.basename, LOOPNAME);
- loopstats.id = 0;
- loopstats.type = FILEGEN_DAY;
- loopstats.flag = FGEN_FLAG_LINK; /* not yet enabled !!*/
- filegen_register("loopstats", &loopstats);
-
- clockstats.fp = NULL;
- clockstats.prefix = &statsdir[0];
- clockstats.basename = (char*)emalloc(strlen(CLOCKNAME)+1);
- strcpy(clockstats.basename, CLOCKNAME);
- clockstats.id = 0;
- clockstats.type = FILEGEN_DAY;
- clockstats.flag = FGEN_FLAG_LINK; /* not yet enabled !!*/
- filegen_register("clockstats", &clockstats);
-
- rawstats.fp = NULL;
- rawstats.prefix = &statsdir[0];
- rawstats.basename = (char*)emalloc(strlen(RAWNAME)+1);
- strcpy(rawstats.basename, RAWNAME);
- rawstats.id = 0;
- rawstats.type = FILEGEN_DAY;
- rawstats.flag = FGEN_FLAG_LINK; /* not yet enabled !!*/
- filegen_register("rawstats", &rawstats);
-
- sysstats.fp = NULL;
- sysstats.prefix = &statsdir[0];
- sysstats.basename = (char*)emalloc(strlen(STANAME)+1);
- strcpy(sysstats.basename, STANAME);
- sysstats.id = 0;
- sysstats.type = FILEGEN_DAY;
- sysstats.flag = FGEN_FLAG_LINK; /* not yet enabled !!*/
- filegen_register("sysstats", &sysstats);
-
-#ifdef OPENSSL
- cryptostats.fp = NULL;
- cryptostats.prefix = &statsdir[0];
- cryptostats.basename = (char*)emalloc(strlen(CRYPTONAME)+1);
- strcpy(cryptostats.basename, CRYPTONAME);
- cryptostats.id = 0;
- cryptostats.type = FILEGEN_DAY;
- cryptostats.flag = FGEN_FLAG_LINK; /* not yet enabled !!*/
- filegen_register("cryptostats", &cryptostats);
-#endif /* OPENSSL */
-
-#undef PEERNAME
-#undef LOOPNAME
-#undef CLOCKNAME
-#undef RAWNAME
-#undef STANAME
-#ifdef OPENSSL
-#undef CRYPTONAME
-#endif /* OPENSSL */
-}
-
-
-/*
- * hourly_stats - print some interesting stats
- */
-void
-hourly_stats(void)
-{
- FILE *fp;
-
-#ifdef DOSYNCTODR
- struct timeval tv;
-#if !defined(VMS)
- int prio_set;
-#endif
-#ifdef HAVE_GETCLOCK
- struct timespec ts;
-#endif
- int o_prio;
-
- /*
- * Sometimes having a Sun can be a drag.
- *
- * The kernel variable dosynctodr controls whether the system's
- * soft clock is kept in sync with the battery clock. If it
- * is zero, then the soft clock is not synced, and the battery
- * clock is simply left to rot. That means that when the system
- * reboots, the battery clock (which has probably gone wacky)
- * sets the soft clock. That means ntpd starts off with a very
- * confused idea of what time it is. It then takes a large
- * amount of time to figure out just how wacky the battery clock
- * has made things drift, etc, etc. The solution is to make the
- * battery clock sync up to system time. The way to do THAT is
- * to simply set the time of day to the current time of day, but
- * as quickly as possible. This may, or may not be a sensible
- * thing to do.
- *
- * CAVEAT: settimeofday() steps the sun clock by about 800 us,
- * so setting DOSYNCTODR seems a bad idea in the
- * case of us resolution
- */
-
-#if !defined(VMS)
- /* (prr) getpriority returns -1 on error, but -1 is also a valid
- * return value (!), so instead we have to zero errno before the
- * call and check it for non-zero afterwards.
- */
- errno = 0;
- prio_set = 0;
- o_prio = getpriority(PRIO_PROCESS,0); /* Save setting */
-
- /*
- * (prr) if getpriority succeeded, call setpriority to raise
- * scheduling priority as high as possible. If that succeeds
- * as well, set the prio_set flag so we remember to reset
- * priority to its previous value below. Note that on Solaris
- * 2.6 (and beyond?), both getpriority and setpriority will fail
- * with ESRCH, because sched_setscheduler (called from main) put
- * us in the real-time scheduling class which setpriority
- * doesn't know about. Being in the real-time class is better
- * than anything setpriority can do, anyhow, so this error is
- * silently ignored.
- */
- if ((errno == 0) && (setpriority(PRIO_PROCESS,0,-20) == 0))
- prio_set = 1; /* overdrive */
-#endif /* VMS */
-#ifdef HAVE_GETCLOCK
- (void) getclock(TIMEOFDAY, &ts);
- tv.tv_sec = ts.tv_sec;
- tv.tv_usec = ts.tv_nsec / 1000;
-#else /* not HAVE_GETCLOCK */
- GETTIMEOFDAY(&tv,(struct timezone *)NULL);
-#endif /* not HAVE_GETCLOCK */
- if (ntp_set_tod(&tv,(struct timezone *)NULL) != 0) {
- msyslog(LOG_ERR, "can't sync battery time: %m");
- }
-#if !defined(VMS)
- if (prio_set)
- setpriority(PRIO_PROCESS, 0, o_prio); /* downshift */
-#endif /* VMS */
-#endif /* DOSYNCTODR */
-
- NLOG(NLOG_SYSSTATIST)
- msyslog(LOG_INFO,
- "offset %.6f sec freq %.3f ppm error %.6f poll %d",
- last_offset, drift_comp * 1e6, sys_jitter,
- sys_poll);
-
-
- record_sys_stats();
- if (stats_drift_file != 0) {
- if ((fp = fopen(stats_temp_file, "w")) == NULL) {
- msyslog(LOG_ERR, "can't open %s: %m",
- stats_temp_file);
- return;
- }
- fprintf(fp, "%.3f\n", drift_comp * 1e6);
- (void)fclose(fp);
- /* atomic */
-#ifdef SYS_WINNT
- (void) _unlink(stats_drift_file); /* rename semantics differ under NT */
-#endif /* SYS_WINNT */
-
-#ifndef NO_RENAME
- (void) rename(stats_temp_file, stats_drift_file);
-#else
- /* we have no rename NFS of ftp in use*/
- if ((fp = fopen(stats_drift_file, "w")) == NULL) {
- msyslog(LOG_ERR, "can't open %s: %m",
- stats_drift_file);
- return;
- }
-
-#endif
-
-#if defined(VMS)
- /* PURGE */
- {
- $DESCRIPTOR(oldvers,";-1");
- struct dsc$descriptor driftdsc = {
- strlen(stats_drift_file),0,0,stats_drift_file };
-
- while(lib$delete_file(&oldvers,&driftdsc) & 1) ;
- }
-#endif
- }
-}
-
-
-/*
- * stats_config - configure the stats operation
- */
-void
-stats_config(
- int item,
- char *invalue /* only one type so far */
- )
-{
- FILE *fp;
- char *value;
- double old_drift;
- int len;
-
- /*
- * Expand environment strings under Windows NT, since the
- * command interpreter doesn't do this, the program must.
- */
-#ifdef SYS_WINNT
- char newvalue[MAX_PATH], parameter[MAX_PATH];
-
- if (!ExpandEnvironmentStrings(invalue, newvalue, MAX_PATH)) {
- switch(item) {
- case STATS_FREQ_FILE:
- strcpy(parameter,"STATS_FREQ_FILE");
- break;
- case STATS_STATSDIR:
- strcpy(parameter,"STATS_STATSDIR");
- break;
- case STATS_PID_FILE:
- strcpy(parameter,"STATS_PID_FILE");
- break;
- default:
- strcpy(parameter,"UNKNOWN");
- break;
- }
- value = invalue;
-
- msyslog(LOG_ERR,
- "ExpandEnvironmentStrings(%s) failed: %m\n", parameter);
- } else {
- value = newvalue;
- }
-#else
- value = invalue;
-#endif /* SYS_WINNT */
-
- switch(item) {
- case STATS_FREQ_FILE:
- if (stats_drift_file != 0) {
- (void) free(stats_drift_file);
- (void) free(stats_temp_file);
- stats_drift_file = 0;
- stats_temp_file = 0;
- }
-
- if (value == 0 || (len = strlen(value)) == 0)
- break;
-
- stats_drift_file = (char*)emalloc((u_int)(len + 1));
-#if !defined(VMS)
- stats_temp_file = (char*)emalloc((u_int)(len +
- sizeof(".TEMP")));
-#else
- stats_temp_file = (char*)emalloc((u_int)(len +
- sizeof("-TEMP")));
-#endif /* VMS */
- memmove(stats_drift_file, value, (unsigned)(len+1));
- memmove(stats_temp_file, value, (unsigned)len);
-#if !defined(VMS)
- memmove(stats_temp_file + len, ".TEMP",
- sizeof(".TEMP"));
-#else
- memmove(stats_temp_file + len, "-TEMP",
- sizeof("-TEMP"));
-#endif /* VMS */
-
- /*
- * Open drift file and read frequency. If the file is
- * missing or contains errors, tell the loop to reset.
- */
- if ((fp = fopen(stats_drift_file, "r")) == NULL) {
- loop_config(LOOP_DRIFTCOMP, 1e9);
- break;
- }
- if (fscanf(fp, "%lf", &old_drift) != 1) {
- msyslog(LOG_ERR, "Frequency format error in %s",
- stats_drift_file);
- loop_config(LOOP_DRIFTCOMP, 1e9);
- fclose(fp);
- break;
- }
- fclose(fp);
- msyslog(LOG_INFO,
- "frequency initialized %.3f PPM from %s",
- old_drift, stats_drift_file);
- loop_config(LOOP_DRIFTCOMP, old_drift / 1e6);
- break;
-
- case STATS_STATSDIR:
- if (strlen(value) >= sizeof(statsdir)) {
- msyslog(LOG_ERR,
- "value for statsdir too long (>%d, sigh)",
- (int)sizeof(statsdir)-1);
- } else {
- l_fp now;
-
- get_systime(&now);
- strcpy(statsdir,value);
- if(peerstats.prefix == &statsdir[0] &&
- peerstats.fp != NULL) {
- fclose(peerstats.fp);
- peerstats.fp = NULL;
- filegen_setup(&peerstats, now.l_ui);
- }
- if(loopstats.prefix == &statsdir[0] &&
- loopstats.fp != NULL) {
- fclose(loopstats.fp);
- loopstats.fp = NULL;
- filegen_setup(&loopstats, now.l_ui);
- }
- if(clockstats.prefix == &statsdir[0] &&
- clockstats.fp != NULL) {
- fclose(clockstats.fp);
- clockstats.fp = NULL;
- filegen_setup(&clockstats, now.l_ui);
- }
- if(rawstats.prefix == &statsdir[0] &&
- rawstats.fp != NULL) {
- fclose(rawstats.fp);
- rawstats.fp = NULL;
- filegen_setup(&rawstats, now.l_ui);
- }
- if(sysstats.prefix == &statsdir[0] &&
- sysstats.fp != NULL) {
- fclose(sysstats.fp);
- sysstats.fp = NULL;
- filegen_setup(&sysstats, now.l_ui);
- }
-#ifdef OPENSSL
- if(cryptostats.prefix == &statsdir[0] &&
- cryptostats.fp != NULL) {
- fclose(cryptostats.fp);
- cryptostats.fp = NULL;
- filegen_setup(&cryptostats, now.l_ui);
- }
-#endif /* OPENSSL */
- }
- break;
-
- case STATS_PID_FILE:
- if ((fp = fopen(value, "w")) == NULL) {
- msyslog(LOG_ERR, "Can't open %s: %m", value);
- break;
- }
- fprintf(fp, "%d", (int) getpid());
- fclose(fp);;
- break;
-
- default:
- /* oh well */
- break;
- }
-}
-
-/*
- * record_peer_stats - write peer statistics to file
- *
- * file format:
- * day (mjd)
- * time (s past UTC midnight)
- * peer (ip address)
- * peer status word (hex)
- * peer offset (s)
- * peer delay (s)
- * peer error bound (s)
- * peer error (s)
-*/
-void
-record_peer_stats(
- struct sockaddr_storage *addr,
- int status,
- double offset,
- double delay,
- double dispersion,
- double skew
- )
-{
- l_fp now;
- u_long day;
-
- if (!stats_control)
- return;
-
- get_systime(&now);
- filegen_setup(&peerstats, now.l_ui);
- day = now.l_ui / 86400 + MJD_1900;
- now.l_ui %= 86400;
- if (peerstats.fp != NULL) {
- fprintf(peerstats.fp,
- "%lu %s %s %x %.9f %.9f %.9f %.9f\n",
- day, ulfptoa(&now, 3), stoa(addr), status, offset,
- delay, dispersion, skew);
- fflush(peerstats.fp);
- }
-}
-/*
- * record_loop_stats - write loop filter statistics to file
- *
- * file format:
- * day (mjd)
- * time (s past midnight)
- * offset (s)
- * frequency (approx ppm)
- * time constant (log base 2)
- */
-void
-record_loop_stats(
- double offset,
- double freq,
- double jitter,
- double stability,
- int spoll
- )
-{
- l_fp now;
- u_long day;
-
- if (!stats_control)
- return;
-
- get_systime(&now);
- filegen_setup(&loopstats, now.l_ui);
- day = now.l_ui / 86400 + MJD_1900;
- now.l_ui %= 86400;
- if (loopstats.fp != NULL) {
- fprintf(loopstats.fp, "%lu %s %.9f %.6f %.9f %.6f %d\n",
- day, ulfptoa(&now, 3), offset, freq * 1e6, jitter,
- stability * 1e6, spoll);
- fflush(loopstats.fp);
- }
-}
-
-/*
- * record_clock_stats - write clock statistics to file
- *
- * file format:
- * day (mjd)
- * time (s past midnight)
- * peer (ip address)
- * text message
- */
-void
-record_clock_stats(
- struct sockaddr_storage *addr,
- const char *text
- )
-{
- l_fp now;
- u_long day;
-
- if (!stats_control)
- return;
-
- get_systime(&now);
- filegen_setup(&clockstats, now.l_ui);
- day = now.l_ui / 86400 + MJD_1900;
- now.l_ui %= 86400;
- if (clockstats.fp != NULL) {
- fprintf(clockstats.fp, "%lu %s %s %s\n",
- day, ulfptoa(&now, 3), stoa(addr), text);
- fflush(clockstats.fp);
- }
-}
-
-/*
- * record_raw_stats - write raw timestamps to file
- *
- *
- * file format
- * time (s past midnight)
- * peer ip address
- * local ip address
- * t1 t2 t3 t4 timestamps
- */
-void
-record_raw_stats(
- struct sockaddr_storage *srcadr,
- struct sockaddr_storage *dstadr,
- l_fp *t1,
- l_fp *t2,
- l_fp *t3,
- l_fp *t4
- )
-{
- l_fp now;
- u_long day;
-
- if (!stats_control)
- return;
-
- get_systime(&now);
- filegen_setup(&rawstats, now.l_ui);
- day = now.l_ui / 86400 + MJD_1900;
- now.l_ui %= 86400;
- if (rawstats.fp != NULL) {
- fprintf(rawstats.fp, "%lu %s %s %s %s %s %s %s\n",
- day, ulfptoa(&now, 3), stoa(srcadr), stoa(dstadr),
- ulfptoa(t1, 9), ulfptoa(t2, 9), ulfptoa(t3, 9),
- ulfptoa(t4, 9));
- fflush(rawstats.fp);
- }
-}
-
-
-/*
- * record_sys_stats - write system statistics to file
- *
- * file format
- * time (s past midnight)
- * time since startup (hr)
- * packets recieved
- * packets processed
- * current version
- * previous version
- * bad version
- * access denied
- * bad length or format
- * bad authentication
- * rate exceeded
- */
-void
-record_sys_stats(void)
-{
- l_fp now;
- u_long day;
-
- if (!stats_control)
- return;
-
- get_systime(&now);
- filegen_setup(&sysstats, now.l_ui);
- day = now.l_ui / 86400 + MJD_1900;
- now.l_ui %= 86400;
- if (sysstats.fp != NULL) {
- fprintf(sysstats.fp,
- "%lu %s %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu\n",
- day, ulfptoa(&now, 3), sys_stattime / 3600,
- sys_received, sys_processed, sys_newversionpkt,
- sys_oldversionpkt, sys_unknownversion,
- sys_restricted, sys_badlength, sys_badauth,
- sys_limitrejected);
- fflush(sysstats.fp);
- proto_clr_stats();
- }
-}
-
-
-#ifdef OPENSSL
-/*
- * record_crypto_stats - write crypto statistics to file
- *
- * file format:
- * day (mjd)
- * time (s past midnight)
- * peer (ip address)
- * text message
- */
-void
-record_crypto_stats(
- struct sockaddr_storage *addr,
- const char *text
- )
-{
- l_fp now;
- u_long day;
-
- if (!stats_control)
- return;
-
- get_systime(&now);
- filegen_setup(&cryptostats, now.l_ui);
- day = now.l_ui / 86400 + MJD_1900;
- now.l_ui %= 86400;
- if (cryptostats.fp != NULL) {
- if (addr == NULL)
- fprintf(cryptostats.fp, "%lu %s %s\n",
- day, ulfptoa(&now, 3), text);
- else
- fprintf(cryptostats.fp, "%lu %s %s %s\n",
- day, ulfptoa(&now, 3), stoa(addr), text);
- fflush(cryptostats.fp);
- }
-}
-#endif /* OPENSSL */
-
-
-/*
- * getauthkeys - read the authentication keys from the specified file
- */
-void
-getauthkeys(
- char *keyfile
- )
-{
- int len;
-
- len = strlen(keyfile);
- if (len == 0)
- return;
-
- if (key_file_name != 0) {
- if (len > (int)strlen(key_file_name)) {
- (void) free(key_file_name);
- key_file_name = 0;
- }
- }
-
- if (key_file_name == 0) {
-#ifndef SYS_WINNT
- key_file_name = (char*)emalloc((u_int) (len + 1));
-#else
- key_file_name = (char*)emalloc((u_int) (MAXPATHLEN));
-#endif
- }
-#ifndef SYS_WINNT
- memmove(key_file_name, keyfile, (unsigned)(len+1));
-#else
- if (!ExpandEnvironmentStrings(keyfile, key_file_name, MAXPATHLEN))
- {
- msyslog(LOG_ERR,
- "ExpandEnvironmentStrings(KEY_FILE) failed: %m\n");
- }
-#endif /* SYS_WINNT */
-
- authreadkeys(key_file_name);
-}
-
-
-/*
- * rereadkeys - read the authentication key file over again.
- */
-void
-rereadkeys(void)
-{
- if (key_file_name != 0)
- authreadkeys(key_file_name);
-}
-
-/*
- * sock_hash - hash an sockaddr_storage structure
- */
-int
-sock_hash(
- struct sockaddr_storage *addr
- )
-{
- int hashVal;
- int i;
- int len;
- char *ch;
-
- hashVal = 0;
- len = 0;
- /*
- * We can't just hash the whole thing because there are hidden
- * fields in sockaddr_in6 that might be filled in by recvfrom(),
- * so just use the family, port and address.
- */
- ch = (char *)&addr->ss_family;
- hashVal = 37 * hashVal + (int)*ch;
- if (sizeof(addr->ss_family) > 1) {
- ch++;
- hashVal = 37 * hashVal + (int)*ch;
- }
- switch(addr->ss_family) {
- case AF_INET:
- ch = (char *)&((struct sockaddr_in *)addr)->sin_addr;
- len = sizeof(struct in_addr);
- break;
- case AF_INET6:
- ch = (char *)&((struct sockaddr_in6 *)addr)->sin6_addr;
- len = sizeof(struct in6_addr);
- break;
- }
-
- for (i = 0; i < len ; i++)
- hashVal = 37 * hashVal + (int)*(ch + i);
-
- hashVal = hashVal % 128; /* % MON_HASH_SIZE hardcoded */
-
- if (hashVal < 0)
- hashVal += 128;
-
- return hashVal;
-}
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