Rename delay to netsim

}(Logical change 1.32)

tc/q_delay.c

-/*
- * q_delay.c		DELAY.
- *
- *		This program is free software; you can redistribute it and/or
- *		modify it under the terms of the GNU General Public License
- *		as published by the Free Software Foundation; either version
- *		2 of the License, or (at your option) any later version.
- *
- * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <string.h>
-
-#include "utils.h"
-#include "tc_util.h"
-
-static void explain(void)
-{
-	fprintf(stderr, "Usage: ... delay latency TIME  rate KBPS [ mtu BYTES ]\n");
-	fprintf(stderr, "                 [ limit BYTES]\n");
-}
-
-static void explain1(const char *arg)
-{
-	fprintf(stderr, "Illegal \"%s\"\n", arg);
-}
-
-#define usage() return(-1)
-
-static int delay_parse_opt(struct qdisc_util *qu, int argc, char **argv, 
-			   struct nlmsghdr *n)
-{
-	struct tc_dly_qopt opt;
-	unsigned mtu=1500, rate=0;
-	int ok = 0;
-
-	memset(&opt, 0, sizeof(opt));
-
-	while (argc > 0) {
-		if (matches(*argv, "limit") == 0) {
-			NEXT_ARG();
-			if (opt.limit || rate) {
-				fprintf(stderr, "Double \"limit/rate\" spec\n");
-				return -1;
-			}
-			if (get_size(&opt.limit, *argv)) {
-				explain1("limit");
-				return -1;
-			}
-			ok++;
-		} else if (matches(*argv, "latency") == 0) {
-			NEXT_ARG();
-			if (get_usecs(&opt.latency, *argv)) {
-				explain1("latency");
-				return -1;
-			}
-			ok++;
-		} else if (matches(*argv, "loss") == 0) {
-			NEXT_ARG();
-			if (get_percent(&opt.loss, *argv)) {
-				explain1("loss");
-				return -1;
-			}
-			ok++;
-		} else if (matches(*argv, "rate") == 0) {
-			NEXT_ARG();
-			if (rate) {
-				fprintf(stderr, "Double \"rate\" spec\n");
-				return -1;
-			}
-			if (get_rate(&rate, *argv)) {
-				explain1("rate");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "mtu") == 0) {
-			NEXT_ARG();
-			if (get_size(&mtu, *argv)) {
-				explain1("mtu");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "help") == 0) {
-			explain();
-			return -1;
-		} else {
-			fprintf(stderr, "What is \"%s\"?\n", *argv);
-			explain();
-			return -1;
-		}
-		argc--; argv++;
-	}
-
-	if (!ok)
-		return 0;
-
-	if (!opt.latency) {
-		fprintf(stderr, "Latency is required\n");
-		return -1;
-	}
-	
-	if (!opt.limit && !rate) {
-		fprintf(stderr, "Either \"limit\" or \"rate\" are required.\n");
-		return -1;
-	}
-	
-	/* Compute delay bandwith product as limit */
-	if (opt.limit == 0) 
-		opt.limit = ((double)rate * (double)opt.latency/1000000.);
-
-	addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
-	return 0;
-}
-
-static int delay_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
-{
-	struct tc_dly_qopt *qopt;
-	SPRINT_BUF(b1);
-	SPRINT_BUF(b2);
-
-	if (opt == NULL)
-		return 0;
-
-	if (RTA_PAYLOAD(opt)  < sizeof(*qopt))
-		return -1;
-
-	qopt = RTA_DATA(opt);
-
-	fprintf(f, "delay limit %s latency %s ",
-		sprint_size(qopt->limit, b1),
-		sprint_usecs(qopt->latency, b2));
-	if (qopt->loss)
-		fprintf(f, "loss %s ",
-			sprint_percent(qopt->loss, b1));
-	return 0;
-}
-
-static int delay_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
-{
-	return 0;
-}
-
-struct qdisc_util delay_util = {
-	NULL,
-	"delay",
-	delay_parse_opt,
-	delay_print_opt,
-	delay_print_xstats,
-};