X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=tc%2Ftc_util.c;fp=tc%2Ftc_util.c;h=0000000000000000000000000000000000000000;hp=9cde14416e7fbf89cbf2d8528ed9d9038dece963;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994 diff --git a/tc/tc_util.c b/tc/tc_util.c deleted file mode 100644 index 9cde144..0000000 --- a/tc/tc_util.c +++ /dev/null @@ -1,519 +0,0 @@ -/* - * tc_util.c Misc TC utility functions. - * - * 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, - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "utils.h" -#include "tc_util.h" - -int get_qdisc_handle(__u32 *h, const char *str) -{ - __u32 maj; - char *p; - - maj = TC_H_UNSPEC; - if (strcmp(str, "none") == 0) - goto ok; - maj = strtoul(str, &p, 16); - if (p == str) - return -1; - maj <<= 16; - if (*p != ':' && *p!=0) - return -1; -ok: - *h = maj; - return 0; -} - -int get_tc_classid(__u32 *h, const char *str) -{ - __u32 maj, min; - char *p; - - maj = TC_H_ROOT; - if (strcmp(str, "root") == 0) - goto ok; - maj = TC_H_UNSPEC; - if (strcmp(str, "none") == 0) - goto ok; - maj = strtoul(str, &p, 16); - if (p == str) { - maj = 0; - if (*p != ':') - return -1; - } - if (*p == ':') { - if (maj >= (1<<16)) - return -1; - maj <<= 16; - str = p+1; - min = strtoul(str, &p, 16); - if (*p != 0) - return -1; - if (min >= (1<<16)) - return -1; - maj |= min; - } else if (*p != 0) - return -1; - -ok: - *h = maj; - return 0; -} - -int print_tc_classid(char *buf, int len, __u32 h) -{ - if (h == TC_H_ROOT) - sprintf(buf, "root"); - else if (h == TC_H_UNSPEC) - snprintf(buf, len, "none"); - else if (TC_H_MAJ(h) == 0) - snprintf(buf, len, ":%x", TC_H_MIN(h)); - else if (TC_H_MIN(h) == 0) - snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16); - else - snprintf(buf, len, "%x:%x", TC_H_MAJ(h)>>16, TC_H_MIN(h)); - return 0; -} - -char * sprint_tc_classid(__u32 h, char *buf) -{ - if (print_tc_classid(buf, SPRINT_BSIZE-1, h)) - strcpy(buf, "???"); - return buf; -} - -/* See http://physics.nist.gov/cuu/Units/binary.html */ -static const struct rate_suffix { - const char *name; - double scale; -} suffixes[] = { - { "bit", 1. }, - { "Kibit", 1024. }, - { "kbit", 1000. }, - { "mibit", 1024.*1024. }, - { "mbit", 1000000. }, - { "gibit", 1024.*1024.*1024. }, - { "gbit", 1000000000. }, - { "tibit", 1024.*1024.*1024.*1024. }, - { "tbit", 1000000000000. }, - { "Bps", 8. }, - { "KiBps", 8.*1024. }, - { "KBps", 8000. }, - { "MiBps", 8.*1024*1024. }, - { "MBps", 8000000. }, - { "GiBps", 8.*1024.*1024.*1024. }, - { "GBps", 8000000000. }, - { "TiBps", 8.*1024.*1024.*1024.*1024. }, - { "TBps", 8000000000000. }, - { NULL } -}; - - -int get_rate(unsigned *rate, const char *str) -{ - char *p; - double bps = strtod(str, &p); - const struct rate_suffix *s; - - if (p == str) - return -1; - - if (*p == '\0') { - *rate = bps / 8.; /* assume bytes/sec */ - return 0; - } - - for (s = suffixes; s->name; ++s) { - if (strcasecmp(s->name, p) == 0) { - *rate = (bps * s->scale) / 8.; - return 0; - } - } - - return -1; -} - -int get_rate_and_cell(unsigned *rate, int *cell_log, char *str) -{ - char * slash = strchr(str, '/'); - - if (slash) - *slash = 0; - - if (get_rate(rate, str)) - return -1; - - if (slash) { - int cell; - int i; - - if (get_integer(&cell, slash+1, 0)) - return -1; - *slash = '/'; - - for (i=0; i<32; i++) { - if ((1<= 1000.0*1024.0*1024.0) - snprintf(buf, len, "%.0fMibit", tmp/1024.0*1024.0); - else if (tmp >= 1000.0*1024) - snprintf(buf, len, "%.0fKibit", tmp/1024); - else - snprintf(buf, len, "%.0fbit", tmp); - } else { - if (tmp >= 1000.0*1000000.0) - snprintf(buf, len, "%.0fMbit", tmp/1000000.0); - else if (tmp >= 1000.0 * 1000.0) - snprintf(buf, len, "%.0fKbit", tmp/1000.0); - else - snprintf(buf, len, "%.0fbit", tmp); - } -} - -char * sprint_rate(__u32 rate, char *buf) -{ - print_rate(buf, SPRINT_BSIZE-1, rate); - return buf; -} - -int get_usecs(unsigned *usecs, const char *str) -{ - double t; - char *p; - - t = strtod(str, &p); - if (p == str) - return -1; - - if (*p) { - if (strcasecmp(p, "s") == 0 || strcasecmp(p, "sec")==0 || - strcasecmp(p, "secs")==0) - t *= 1000000; - else if (strcasecmp(p, "ms") == 0 || strcasecmp(p, "msec")==0 || - strcasecmp(p, "msecs") == 0) - t *= 1000; - else if (strcasecmp(p, "us") == 0 || strcasecmp(p, "usec")==0 || - strcasecmp(p, "usecs") == 0) - t *= 1; - else - return -1; - } - - *usecs = t; - return 0; -} - - -void print_usecs(char *buf, int len, __u32 usec) -{ - double tmp = usec; - - if (tmp >= 1000000) - snprintf(buf, len, "%.1fs", tmp/1000000); - else if (tmp >= 1000) - snprintf(buf, len, "%.1fms", tmp/1000); - else - snprintf(buf, len, "%uus", usec); -} - -char * sprint_usecs(__u32 usecs, char *buf) -{ - print_usecs(buf, SPRINT_BSIZE-1, usecs); - return buf; -} - -int get_size(unsigned *size, const char *str) -{ - double sz; - char *p; - - sz = strtod(str, &p); - if (p == str) - return -1; - - if (*p) { - if (strcasecmp(p, "kb") == 0 || strcasecmp(p, "k")==0) - sz *= 1024; - else if (strcasecmp(p, "gb") == 0 || strcasecmp(p, "g")==0) - sz *= 1024*1024*1024; - else if (strcasecmp(p, "gbit") == 0) - sz *= 1024*1024*1024/8; - else if (strcasecmp(p, "mb") == 0 || strcasecmp(p, "m")==0) - sz *= 1024*1024; - else if (strcasecmp(p, "mbit") == 0) - sz *= 1024*1024/8; - else if (strcasecmp(p, "kbit") == 0) - sz *= 1024/8; - else if (strcasecmp(p, "b") != 0) - return -1; - } - - *size = sz; - return 0; -} - -int get_size_and_cell(unsigned *size, int *cell_log, char *str) -{ - char * slash = strchr(str, '/'); - - if (slash) - *slash = 0; - - if (get_size(size, str)) - return -1; - - if (slash) { - int cell; - int i; - - if (get_integer(&cell, slash+1, 0)) - return -1; - *slash = '/'; - - for (i=0; i<32; i++) { - if ((1<= 1024*1024 && fabs(1024*1024*rint(tmp/(1024*1024)) - sz) < 1024) - snprintf(buf, len, "%gMb", rint(tmp/(1024*1024))); - else if (sz >= 1024 && fabs(1024*rint(tmp/1024) - sz) < 16) - snprintf(buf, len, "%gKb", rint(tmp/1024)); - else - snprintf(buf, len, "%ub", sz); -} - -char * sprint_size(__u32 size, char *buf) -{ - print_size(buf, SPRINT_BSIZE-1, size); - return buf; -} - -static const double max_percent_value = 0xffffffff; - -int get_percent(__u32 *percent, const char *str) -{ - char *p; - double per = strtod(str, &p) / 100.; - - if (per > 1. || per < 0) - return -1; - if (*p && strcmp(p, "%")) - return -1; - - *percent = (unsigned) rint(per * max_percent_value); - return 0; -} - -void print_percent(char *buf, int len, __u32 per) -{ - snprintf(buf, len, "%g%%", 100. * (double) per / max_percent_value); -} - -char * sprint_percent(__u32 per, char *buf) -{ - print_percent(buf, SPRINT_BSIZE-1, per); - return buf; -} - -void print_qdisc_handle(char *buf, int len, __u32 h) -{ - snprintf(buf, len, "%x:", TC_H_MAJ(h)>>16); -} - -char * sprint_qdisc_handle(__u32 h, char *buf) -{ - print_qdisc_handle(buf, SPRINT_BSIZE-1, h); - return buf; -} - -char * action_n2a(int action, char *buf, int len) -{ - switch (action) { - case -1: - return "continue"; - break; - case TC_ACT_OK: - return "pass"; - break; - case TC_ACT_SHOT: - return "drop"; - break; - case TC_ACT_RECLASSIFY: - return "reclassify"; - case TC_ACT_PIPE: - return "pipe"; - case TC_ACT_STOLEN: - return "stolen"; - default: - snprintf(buf, len, "%d", action); - return buf; - } -} - -int action_a2n(char *arg, int *result) -{ - int res; - - if (matches(arg, "continue") == 0) - res = -1; - else if (matches(arg, "drop") == 0) - res = TC_ACT_SHOT; - else if (matches(arg, "shot") == 0) - res = TC_ACT_SHOT; - else if (matches(arg, "pass") == 0) - res = TC_ACT_OK; - else if (strcmp(arg, "ok") == 0) - res = TC_ACT_OK; - else if (matches(arg, "reclassify") == 0) - res = TC_ACT_RECLASSIFY; - else { - char dummy; - if (sscanf(arg, "%d%c", &res, &dummy) != 1) - return -1; - } - *result = res; - return 0; -} - -void print_tm(FILE * f, const struct tcf_t *tm) -{ - int hz = get_user_hz(); - if (tm->install != 0) - fprintf(f, " installed %u sec", (unsigned)(tm->install/hz)); - if (tm->lastuse != 0) - fprintf(f, " used %u sec", (unsigned)(tm->lastuse/hz)); - if (tm->expires != 0) - fprintf(f, " expires %u sec", (unsigned)(tm->expires/hz)); -} - -void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct rtattr **xstats) -{ - SPRINT_BUF(b1); - struct rtattr *tbs[TCA_STATS_MAX + 1]; - - parse_rtattr_nested(tbs, TCA_STATS_MAX, rta); - - if (tbs[TCA_STATS_BASIC]) { - struct gnet_stats_basic bs = {0}; - memcpy(&bs, RTA_DATA(tbs[TCA_STATS_BASIC]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_BASIC]), sizeof(bs))); - fprintf(fp, "%sSent %llu bytes %u pkt", - prefix, (unsigned long long) bs.bytes, bs.packets); - } - - if (tbs[TCA_STATS_QUEUE]) { - struct gnet_stats_queue q = {0}; - memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q))); - fprintf(fp, " (dropped %u, overlimits %u requeues %u) ", - q.drops, q.overlimits, q.requeues); - } - - if (tbs[TCA_STATS_RATE_EST]) { - struct gnet_stats_rate_est re = {0}; - memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST]), sizeof(re))); - fprintf(fp, "\n%srate %s %upps ", - prefix, sprint_rate(re.bps, b1), re.pps); - } - - if (tbs[TCA_STATS_QUEUE]) { - struct gnet_stats_queue q = {0}; - memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q))); - if (!tbs[TCA_STATS_RATE_EST]) - fprintf(fp, "\n%s", prefix); - fprintf(fp, "backlog %s %up requeues %u ", - sprint_size(q.backlog, b1), q.qlen, q.requeues); - } - - if (xstats) - *xstats = tbs[TCA_STATS_APP] ? : NULL; -} - -void print_tcstats_attr(FILE *fp, struct rtattr *tb[], char *prefix, struct rtattr **xstats) -{ - SPRINT_BUF(b1); - - if (tb[TCA_STATS2]) { - print_tcstats2_attr(fp, tb[TCA_STATS2], prefix, xstats); - if (xstats && NULL == *xstats) - goto compat_xstats; - return; - } - /* backward compatibility */ - if (tb[TCA_STATS]) { - struct tc_stats st; - - /* handle case where kernel returns more/less than we know about */ - memset(&st, 0, sizeof(st)); - memcpy(&st, RTA_DATA(tb[TCA_STATS]), MIN(RTA_PAYLOAD(tb[TCA_STATS]), sizeof(st))); - - fprintf(fp, "%sSent %llu bytes %u pkts (dropped %u, overlimits %u) ", - prefix, (unsigned long long)st.bytes, st.packets, st.drops, - st.overlimits); - - if (st.bps || st.pps || st.qlen || st.backlog) { - fprintf(fp, "\n%s", prefix); - if (st.bps || st.pps) { - fprintf(fp, "rate "); - if (st.bps) - fprintf(fp, "%s ", sprint_rate(st.bps, b1)); - if (st.pps) - fprintf(fp, "%upps ", st.pps); - } - if (st.qlen || st.backlog) { - fprintf(fp, "backlog "); - if (st.backlog) - fprintf(fp, "%s ", sprint_size(st.backlog, b1)); - if (st.qlen) - fprintf(fp, "%up ", st.qlen); - } - } - } - -compat_xstats: - if (tb[TCA_XSTATS] && xstats) - *xstats = tb[TCA_XSTATS]; -} -