sbm

commit b8b3f4c0983606485917ac6b1e699b69e727acba
parent ef08593941ce8f3e782df9531a3f9f9970f00c59
Author: sin <sin@2f30.org>
Date:   Thu, 11 Feb 2016 18:04:43 +0000

Remove delay code, it was wrong anyhow and not particularly useful

Diffstat:
M
sbm.1
 | 
3
---
M
sbm.c
 | 
18
+++++-------------

2 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/sbm.1 b/sbm.1
@@ -7,7 +7,6 @@
 .Sh SYNOPSIS
 .Nm sbm
 .Op Fl i Ar interface
-.Op Fl d Ar delay
 .Sh DESCRIPTION
 .Nm
 is a simple bandwidth monitor for OpenBSD.
@@ -16,8 +15,6 @@ is a simple bandwidth monitor for OpenBSD.
 .It Fl i Ar interface
 Monitor the selected interface.  If not provided, the first
 enumerated interface will be used.
-.It Fl d Ar delay
-Specify the sampling delay in milliseconds.  Defaults to 1 second.
 .El
 .Sh AUTHORS
 .An Dimitris Papastamos Aq Mt sin@2f30.org
diff --git a/sbm.c b/sbm.c
@@ -134,7 +134,7 @@ print(char *ifname, unsigned long long rxbits, unsigned long long txbits)
 }
 
 void
-loop(char *ifname, long long delay)
+loop(char *ifname)
 {
 	unsigned long long oldrxbytes, rxbytes;
 	unsigned long long oldtxbytes, txbytes;
@@ -147,39 +147,31 @@ loop(char *ifname, long long delay)
 		      (txbytes - oldtxbytes) * 8);
 		oldrxbytes = rxbytes;
 		oldtxbytes = txbytes;
-		usleep(delay * 1000);
+		usleep(1000 * 1000);
 	}
 }
 
 void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-i interface] [-d delay]\n", argv0);
+	fprintf(stderr, "usage: %s [-i interface]\n", argv0);
 	exit(1);
 }
 
 int
 main(int argc, char *argv[])
 {
-	char ifname[IFNAMSIZ] = "", *arg;
-	const char *errstr;
-	long long delay = 1000;
+	char ifname[IFNAMSIZ] = "";
 
 	ARGBEGIN {
 	case 'i':
 		strlcpy(ifname, EARGF(usage()), sizeof(ifname));
 		break;
-	case 'd':
-		arg = EARGF(usage());
-		delay = strtonum(arg, 100, 60000, &errstr);
-		if (errstr)
-			errx(1, "%s: %s", arg, errstr);
-		break;
 	default:
 		usage();
 	} ARGEND
 
 	scan(ifname);
-	loop(ifname, delay);
+	loop(ifname);
 	return 0;
 }