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Fix bogons in my milliseconds => microseconds timeouts change.

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Submitted by:	Greg A. Woods <woods@weird.com>
This commit is contained in:
David E. O'Brien 2000-07-19 13:10:53 +00:00
parent 25375e24c5
commit 962df24154
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=30855
1 changed files with 111 additions and 18 deletions
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129
net/fping/files/patch-02
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@ -1,16 +1,37 @@
--- fping.c.orig Mon Sep 20 13:10:23 1999
+++ fping.c Mon Sep 20 13:15:05 1999
@@ -185,7 +185,9 @@
+++ fping.c Wed Jul 19 06:08:21 2000
@@ -185,7 +185,11 @@
extern char *optarg;
extern int optind,opterr;
+
+/* #if !defined(BSD4_4) && !((BSD - 0) >= 199103) */
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
extern char *sys_errlist[];
+#endif
#ifdef __cplusplus
@@ -234,9 +236,9 @@
@@ -195,15 +199,15 @@
/* constants */
#ifndef DEFAULT_INTERVAL
-#define DEFAULT_INTERVAL 25 /* default time between packets (msec) */
+#define DEFAULT_INTERVAL 25000 /* default time between packets (usec) */
#endif
#ifndef DEFAULT_TIMEOUT
-#define DEFAULT_TIMEOUT 2500 /* individual host timeouts */
+#define DEFAULT_TIMEOUT 2500000 /* individual host timeouts (usec) */
#endif
#ifndef DEFAULT_RETRY
-#define DEFAULT_RETRY 3 /* number of times to retry a host */
+#define DEFAULT_RETRY 3 /* number of times to retry a host */
#endif
@@ -234,9 +238,9 @@
int timeout = DEFAULT_TIMEOUT;
int interval = DEFAULT_INTERVAL;
@ -18,12 +39,44 @@
-long min_reply=10000;
-int total_replies=0;
+long max_reply=0; /* usec */
+long min_reply=10000; /* usec */
+long min_reply=(10*1000000);/* usec */
+int total_replies=0; /* usec */
double sum_replies=0;
struct timeval timeout_timeval;
@@ -385,6 +387,7 @@
@@ -326,7 +330,7 @@
setuid(getuid());
- prog = argv[0];
+ prog = (prog = strrchr(argv[0], '/')) ? prog + 1 : argv[0];
ident = getpid() & 0xFFFF;
verbose_flag=1;
@@ -347,8 +351,8 @@
case 'u': unreachable_flag = 1; break;
case 'a': alive_flag = 1; break;
case 'v':
- printf("%s: $Revision: 1.20 $ $Date: 1993/02/23 00:16:38 $\n",argv[0]);
- printf("%s: comments to schemers@Stanford.EDU\n",argv[0]);
+ printf("%s: FreeBSD port based on Revision: 1.20 Date: 1993/02/23 00:16:38 \n",argv[0]);
+ printf("%s: comments to obrien@FreeBSD.org\n",argv[0]);
exit(0);
default : fprintf(stderr,"Unknown flag: %s\n",argv[0]);
usage(); break;
@@ -359,9 +363,9 @@
usage();
}
- if ( (interval<10 || retry >20 || timeout <250) && getuid()) {
+ if ( (interval<10000 || retry >20 || timeout <250000) && getuid()) {
fprintf(stderr,"%s: these options are too risky for mere mortals.\n",prog);
- fprintf(stderr,"%s: You need i >=10, retry < 20, and t >= 250\n",prog);
+ fprintf(stderr,"%s: You need i >=10000, retry < 20, and t >= 250000\n",prog);
exit(3);
}
@@ -385,6 +389,7 @@
}
if (!ping_file) errno_crash_and_burn("fopen");
while(fgets(line,132,ping_file)) {
@ -31,7 +84,7 @@
sscanf(line,"%s",host);
if ((!*host) || (host[0]=='#')) /* magic to avoid comments */
continue;
@@ -411,8 +414,8 @@
@@ -411,8 +416,8 @@
cursor=cursor->next;
}
@ -41,7 +94,7 @@
while (num_waiting) { /* while pings are outstanding */
if ( (timeval_diff(&current_time,&cursor->last_time)> timeout) ||
cursor->num_packets_sent==0) {
@@ -455,11 +458,11 @@
@@ -455,11 +460,11 @@
min_reply=0; max_reply=0; total_replies=1; sum_replies=0;
}
@ -57,7 +110,17 @@
fprintf(stderr,"\n");
}
@@ -493,8 +496,6 @@
@@ -489,26 +494,32 @@
void send_ping(int s,HOST_ENTRY *h)
#endif
{
- static char buffer[32];
+#define SIZE_ICMP_HDR 8
+#define SIZE_DATA 56
+#define SIZE_PACK_SENT (sizeof(h->num_packets_sent))
+#define SIZE_LAST_TIME (sizeof(h->last_time))
+#define SIZE_TOTAL (SIZE_ICMP_HDR+SIZE_LAST_TIME+SIZE_PACK_SENT+SIZE_DATA)
+ static char buffer[SIZE_TOTAL];
struct icmp *icp = (struct icmp *) buffer;
int n,len;
@ -66,24 +129,29 @@
icp->icmp_type = ICMP_ECHO;
icp->icmp_code = 0;
icp->icmp_cksum = 0;
@@ -504,12 +505,15 @@
#define SIZE_PACK_SENT (sizeof(h->num_packets_sent))
#define SIZE_LAST_TIME (sizeof(h->last_time))
icp->icmp_seq = h->i;
icp->icmp_id = ident;
-#define SIZE_ICMP_HDR 8
-#define SIZE_PACK_SENT (sizeof(h->num_packets_sent))
-#define SIZE_LAST_TIME (sizeof(h->last_time))
- bcopy(&h->last_time,&buffer[SIZE_ICMP_HDR],SIZE_LAST_TIME);
bcopy(&h->num_packets_sent,
&buffer[SIZE_ICMP_HDR+SIZE_LAST_TIME], SIZE_PACK_SENT);
len = SIZE_ICMP_HDR+SIZE_LAST_TIME+SIZE_PACK_SENT;
- len = SIZE_ICMP_HDR+SIZE_LAST_TIME+SIZE_PACK_SENT;
+ bcopy("01234567890123456789012345678901234567890123456789 FPING",
+ &buffer[SIZE_ICMP_HDR+SIZE_LAST_TIME+SIZE_PACK_SENT], SIZE_DATA);
+
+ len = sizeof(buffer);
+
+ /* set the time at the very last possible point */
+ gettimeofday(&h->last_time,&tz);
+ bcopy(&h->last_time,&buffer[SIZE_ICMP_HDR],SIZE_LAST_TIME);
+
icp->icmp_cksum = in_cksum( (u_short *)icp, len );
n = sendto( s, buffer, len, 0, (struct sockaddr *)&h->saddr,
@@ -578,10 +582,12 @@
@@ -578,10 +589,12 @@
return 1; /* packet received, don't about it anymore */
}
@ -97,7 +165,7 @@
bcopy(&icp->icmp_data[0],&sent_time,sizeof(sent_time));
bcopy(&icp->icmp_data[SIZE_LAST_TIME],&the_index, sizeof(the_index));
this_reply = timeval_diff(&current_time,&sent_time);
@@ -594,7 +600,7 @@
@@ -594,7 +607,7 @@
if (dns_flag) printf("%s",get_host_by_address(response_addr.sin_addr));
else printf("%s",h->host);
if (verbose_flag) printf(" is alive");
@ -106,7 +174,7 @@
printf("\n");
}
num_alive++;
@@ -756,7 +762,7 @@
@@ -756,7 +769,7 @@
temp =
(((a->tv_sec*1000000)+ a->tv_usec) -
@ -115,3 +183,28 @@
return (long) temp;
@@ -781,8 +794,8 @@
struct timeval to;
fd_set readset,writeset;
- to.tv_sec = timo/1000;
- to.tv_usec = (timo - (to.tv_sec*1000))*1000;
+ to.tv_sec = timo/1000000;
+ to.tv_usec = (timo - (to.tv_sec*1000000));
FD_ZERO(&readset);
FD_ZERO(&writeset);
@@ -808,11 +821,11 @@
fprintf(stderr," -d use dns to lookup address for return ping packet\n");
fprintf(stderr," -e show elapsed time on return packets\n");
fprintf(stderr," -f file read list of systems from a file ( - means stdin)\n");
- fprintf(stderr," -i n interval (between ping packets) in milliseconds (default %d)\n",interval);
+ fprintf(stderr," -i n interval (between ping packets) in microseconds (default %d)\n",interval);
fprintf(stderr," -q quiet (don't show per host results)\n");
fprintf(stderr," -r n retry limit (default %d)\n",retry);
fprintf(stderr," -s dump final stats\n");
- fprintf(stderr," -t n individual host timeout in milliseconds (default %d)\n",timeout);
+ fprintf(stderr," -t n individual host timeout in microseconds (default %d)\n",timeout);
fprintf(stderr," -u show systems that are unreachable\n");
fprintf(stderr," -v show version\n");
fprintf(stderr," systems list of systems to check (if no -f specified)\n");