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| -rw-r--r-- | tc/q_delay.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/tc/q_delay.c b/tc/q_delay.c deleted file mode 100644 index 0dd528fc..00000000 --- a/tc/q_delay.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * 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, -}; |