diff options
Diffstat (limited to 'network_cmds/netstat.tproj/if.c')
| -rw-r--r-- | network_cmds/netstat.tproj/if.c | 2259 |
1 files changed, 2259 insertions, 0 deletions
diff --git a/network_cmds/netstat.tproj/if.c b/network_cmds/netstat.tproj/if.c new file mode 100644 index 0000000..2fe6182 --- /dev/null +++ b/network_cmds/netstat.tproj/if.c @@ -0,0 +1,2259 @@ +/* + * Copyright (c) 2008-2019 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * Copyright (c) 1983, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/sysctl.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <sys/kern_control.h> + +#include <net/if.h> +#include <net/if_var.h> +#include <net/if_dl.h> +#include <net/if_types.h> +#include <net/if_mib.h> +#include <net/if_llreach.h> +#include <net/ethernet.h> +#include <net/route.h> +#include <net/ntstat.h> + +#include <net/pktsched/pktsched.h> +#include <net/classq/if_classq.h> + +#include <netinet/in.h> +#include <netinet/in_var.h> + +#include <arpa/inet.h> + +#include <signal.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <stdlib.h> +#include <stddef.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> + +#include <assert.h> + +#include "netstat.h" + +#define YES 1 +#define NO 0 + +#define ROUNDUP(a, size) (((a) & ((size) - 1)) ? (1 + ((a)|(size - 1))) : (a)) + +#define NEXT_SA(p) (struct sockaddr *) \ + ((caddr_t)p + (p->sa_len ? ROUNDUP(p->sa_len, sizeof(uint32_t)) : \ + sizeof(uint32_t))) + +static void sidewaysintpr (); +static void catchalarm (int); +static char *sec2str(time_t); +static void llreach_sysctl(uint32_t); +static char *nsec_to_str(unsigned long long); +static char *sched2str(unsigned int); +static char *pri2str(unsigned int i); + +#define AVGN_MAX 8 + +struct queue_stats { + int avgn; + double avg_bytes; + double avg_packets; + u_int64_t prev_bytes; + u_int64_t prev_packets; + unsigned int handle; +}; + +static void update_avg(struct if_ifclassq_stats *, struct queue_stats *); +static void print_fq_codel_stats(int slot, struct fq_codel_classstats *, + struct queue_stats *); + +struct queue_stats qstats[IFCQ_SC_MAX]; + +#ifdef INET6 +char *netname6 (struct sockaddr_in6 *, struct sockaddr *); +static char ntop_buf[INET6_ADDRSTRLEN]; /* for inet_ntop() */ +#endif + +/* + * Display a formatted value, or a '-' in the same space. + */ +static void +show_stat(const char *fmt, int width, u_int64_t value, short showvalue) +{ + char newfmt[32]; + + /* Construct the format string */ + if (showvalue) { + snprintf(newfmt, sizeof(newfmt), "%%%d%s", width, fmt); + printf(newfmt, value); + } else { + snprintf(newfmt, sizeof(newfmt), "%%%ds", width); + printf(newfmt, "-"); + } +} + +size_t +get_rti_info(int addrs, struct sockaddr *sa, struct sockaddr **rti_info) +{ + int i; + size_t len = 0; + + for (i = 0; i < RTAX_MAX; i++) { + if (addrs & (1 << i)) { + rti_info[i] = sa; + if (sa->sa_len < sizeof(struct sockaddr)) + len += sizeof(struct sockaddr); + else + len += sa->sa_len; + sa = NEXT_SA(sa); + } else { + rti_info[i] = NULL; + } + } + return len; +} + +static void +multipr(int family, char *buf, char *lim) +{ + char *next; + + for (next = buf; next < lim; ) { + struct ifma_msghdr2 *ifmam = (struct ifma_msghdr2 *)next; + struct sockaddr *rti_info[RTAX_MAX]; + struct sockaddr *sa; + const char *fmt = 0; + + next += ifmam->ifmam_msglen; + if (ifmam->ifmam_type == RTM_IFINFO2) + break; + else if (ifmam->ifmam_type != RTM_NEWMADDR2) + continue; + get_rti_info(ifmam->ifmam_addrs, (struct sockaddr*)(ifmam + 1), rti_info); + sa = rti_info[RTAX_IFA]; + + if (sa->sa_family != family) + continue; + switch (sa->sa_family) { + case AF_INET: { + struct sockaddr_in *sin = (struct sockaddr_in *)sa; + + fmt = routename(sin->sin_addr.s_addr); + break; + } + #ifdef INET6 + case AF_INET6: { + struct sockaddr_in6 sin6; + + memcpy(&sin6, sa, sizeof(struct sockaddr_in6)); + + if (IN6_IS_ADDR_LINKLOCAL(&sin6.sin6_addr) || + IN6_IS_ADDR_MC_NODELOCAL(&sin6.sin6_addr) || + IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr)) { + sin6.sin6_scope_id = ntohs(*(u_int16_t *)&sin6.sin6_addr.s6_addr[2]); + sin6.sin6_addr.s6_addr[2] = 0; + sin6.sin6_addr.s6_addr[3] = 0; + } + + printf("%23s %-19.19s(refs: %d)\n", "", + inet_ntop(AF_INET6, &sin6.sin6_addr, + ntop_buf, sizeof(ntop_buf)), + ifmam->ifmam_refcount); + break; + } + #endif /* INET6 */ + case AF_LINK: { + struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; + + switch (sdl->sdl_type) { + case IFT_ETHER: + case IFT_FDDI: + fmt = ether_ntoa((struct ether_addr *) + LLADDR(sdl)); + break; + } + break; + } + } + if (fmt) + printf("%23s %s\n", "", fmt); + } +} + +/* + * Print a description of the network interfaces. + */ +void +intpr(void (*pfunc)(char *)) +{ + u_int64_t opackets = 0; + u_int64_t ipackets = 0; + u_int64_t obytes = 0; + u_int64_t ibytes = 0; + u_int64_t oerrors = 0; + u_int64_t ierrors = 0; + u_int64_t collisions = 0; + u_int64_t fpackets = 0; + u_int64_t fbytes = 0; + uint32_t mtu = 0; + int timer = 0; + int drops = 0; + struct sockaddr *sa = NULL; + char name[32]; + short network_layer; + short link_layer; + int mib[6]; + char *buf = NULL, *lim, *next; + size_t len; + struct if_msghdr *ifm; + struct sockaddr *rti_info[RTAX_MAX]; + unsigned int ifindex = 0; + + if (interval) { + sidewaysintpr(); + return; + } + + if (interface != 0) + ifindex = if_nametoindex(interface); + + mib[0] = CTL_NET; // networking subsystem + mib[1] = PF_ROUTE; // type of information + mib[2] = 0; // protocol (IPPROTO_xxx) + mib[3] = 0; // address family + mib[4] = NET_RT_IFLIST2; // operation + mib[5] = 0; + if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) + return; + if ((buf = malloc(len)) == NULL) { + printf("malloc failed\n"); + exit(1); + } + if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) { + if (buf) + free(buf); + return; + } + + if (!pfunc) { + if (lflag) { + printf("%-10.10s %-5.5s %-39.39s %-39.39s %8.8s %5.5s", + "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs"); + } else { + printf("%-10.10s %-5.5s %-13.13s %-15.15s %8.8s %5.5s", + "Name", "Mtu", "Network", "Address", "Ipkts", "Ierrs"); + } + if (prioflag >= 0) + printf(" %8.8s %8.8s", "Itcpkts", "Ipvpkts"); + if (bflag) { + printf(" %10.10s","Ibytes"); + if (prioflag >= 0) + printf(" %8.8s %8.8s", "Itcbytes", "Ipvbytes"); + } + printf(" %8.8s %5.5s", "Opkts", "Oerrs"); + if (prioflag >= 0) + printf(" %8.8s %8.8s", "Otcpkts", "Opvpkts"); + if (bflag) { + printf(" %10.10s","Obytes"); + if (prioflag >= 0) + printf(" %8.8s %8.8s", "Otcbytes", "Opvbytes"); + } + printf(" %5s", "Coll"); + if (tflag) + printf(" %s", "Time"); + if (dflag) + printf(" %s", "Drop"); + if (Fflag) { + printf(" %8.8s", "Fpkts"); + if (bflag) + printf(" %10.10s", "Fbytes"); + } + putchar('\n'); + } + lim = buf + len; + for (next = buf; next < lim; ) { + char *cp; + int n, m; + struct ifmibdata_supplemental ifmsupp; + u_int64_t ift_itcp = 0; /* input tc packets */ + u_int64_t ift_itcb = 0; /* input tc bytes */ + u_int64_t ift_otcp = 0; /* output tc packets */ + u_int64_t ift_otcb = 0; /* output tc bytes */ + u_int64_t ift_ipvp = 0; /* input priv tc packets */ + u_int64_t ift_ipvb = 0; /* input priv tc bytes */ + u_int64_t ift_opvp = 0; /* output priv tc packets */ + u_int64_t ift_opvb = 0; /* output priv tc bytes */ + + bzero(&ifmsupp, sizeof(struct ifmibdata_supplemental)); + + network_layer = 0; + link_layer = 0; + ifm = (struct if_msghdr *)next; + next += ifm->ifm_msglen; + + if (ifm->ifm_type == RTM_IFINFO2) { + struct if_msghdr2 *if2m = (struct if_msghdr2 *)ifm; + struct sockaddr_dl *sdl = + (struct sockaddr_dl *)(if2m + 1); + int mibname[6]; + size_t miblen = sizeof(struct ifmibdata_supplemental); + + if (interface != 0 && if2m->ifm_index != ifindex) + continue; + + /* The interface name is not a zero-ended string */ + memcpy(name, sdl->sdl_data, MIN(sizeof(name) - 1, sdl->sdl_nlen)); + name[MIN(sizeof(name) - 1, sdl->sdl_nlen)] = 0; + + if (pfunc) { + (*pfunc)(name); + continue; + } + + cp = index(name, '\0'); + if ((if2m->ifm_flags & IFF_UP) == 0) + *cp++ = '*'; + *cp = '\0'; + + /* + * Get the interface stats. These may get + * overriden below on a per-interface basis. + */ + opackets = if2m->ifm_data.ifi_opackets; + ipackets = if2m->ifm_data.ifi_ipackets; + obytes = if2m->ifm_data.ifi_obytes; + ibytes = if2m->ifm_data.ifi_ibytes; + oerrors =if2m->ifm_data.ifi_oerrors; + ierrors = if2m->ifm_data.ifi_ierrors; + collisions = if2m->ifm_data.ifi_collisions; + timer = if2m->ifm_timer; + drops = if2m->ifm_snd_drops; + mtu = if2m->ifm_data.ifi_mtu; + + /* Common OID prefix */ + mibname[0] = CTL_NET; + mibname[1] = PF_LINK; + mibname[2] = NETLINK_GENERIC; + mibname[3] = IFMIB_IFDATA; + mibname[4] = if2m->ifm_index; + mibname[5] = IFDATA_SUPPLEMENTAL; + if (sysctl(mibname, 6, &ifmsupp, &miblen, NULL, 0) == -1) + err(1, "sysctl IFDATA_SUPPLEMENTAL"); + + fpackets = ifmsupp.ifmd_data_extended.ifi_fpackets; + fbytes = ifmsupp.ifmd_data_extended.ifi_fbytes; + + if (prioflag >= 0) { + switch (prioflag) { + case SO_TC_BE: + ift_itcp = ifmsupp.ifmd_traffic_class.ifi_ibepackets; + ift_itcb = ifmsupp.ifmd_traffic_class.ifi_ibebytes; + ift_otcp = ifmsupp.ifmd_traffic_class.ifi_obepackets; + ift_otcb = ifmsupp.ifmd_traffic_class.ifi_obebytes; + break; + case SO_TC_BK: + ift_itcp = ifmsupp.ifmd_traffic_class.ifi_ibkpackets; + ift_itcb = ifmsupp.ifmd_traffic_class.ifi_ibkbytes; + ift_otcp = ifmsupp.ifmd_traffic_class.ifi_obkpackets; + ift_otcb = ifmsupp.ifmd_traffic_class.ifi_obkbytes; + break; + case SO_TC_VI: + ift_itcp = ifmsupp.ifmd_traffic_class.ifi_ivipackets; + ift_itcb = ifmsupp.ifmd_traffic_class.ifi_ivibytes; + ift_otcp = ifmsupp.ifmd_traffic_class.ifi_ovipackets; + ift_otcb = ifmsupp.ifmd_traffic_class.ifi_ovibytes; + break; + case SO_TC_VO: + ift_itcp = ifmsupp.ifmd_traffic_class.ifi_ivopackets; + ift_itcb = ifmsupp.ifmd_traffic_class.ifi_ivobytes; + ift_otcp = ifmsupp.ifmd_traffic_class.ifi_ovopackets; + ift_otcb = ifmsupp.ifmd_traffic_class.ifi_ovobytes; + break; + default: + ift_itcp = 0; + ift_itcb = 0; + ift_otcp = 0; + ift_otcb = 0; + ift_ipvp = 0; + ift_ipvb = 0; + ift_opvp = 0; + ift_opvb = 0; + break; + } + ift_ipvp = ifmsupp.ifmd_traffic_class.ifi_ipvpackets; + ift_ipvb = ifmsupp.ifmd_traffic_class.ifi_ipvbytes; + ift_opvp = ifmsupp.ifmd_traffic_class.ifi_opvpackets; + ift_opvb = ifmsupp.ifmd_traffic_class.ifi_opvbytes; + } + + get_rti_info(if2m->ifm_addrs, + (struct sockaddr*)(if2m + 1), rti_info); + sa = rti_info[RTAX_IFP]; + } else if (ifm->ifm_type == RTM_NEWADDR) { + struct ifa_msghdr *ifam = (struct ifa_msghdr *)ifm; + + if (interface != 0 && ifam->ifam_index != ifindex) + continue; + get_rti_info(ifam->ifam_addrs, + (struct sockaddr*)(ifam + 1), rti_info); + sa = rti_info[RTAX_IFA]; + } else { + continue; + } + if (lflag) { + printf("%-10.10s %-5u ", name, mtu); + } else { + printf("%-5.5s %-5u ", name, mtu); + } + + if (sa == 0) { + printf(lflag ? "%-39.39s " : "%-13.13s ", "none"); + printf(lflag ? "%-39.39s " : "%-15.15s ", "none"); + } else { + switch (sa->sa_family) { + case AF_UNSPEC: + printf(lflag ? "%-39.39s " : "%-13.13s ", "none"); + printf(lflag ? "%-39.39s " : "%-15.15s ", "none"); + break; + + case AF_INET: { + struct sockaddr_in *sin = + (struct sockaddr_in *)sa; + struct sockaddr_in mask; + + mask.sin_addr.s_addr = 0; + memcpy(&mask, rti_info[RTAX_NETMASK], + ((struct sockaddr_in *) + rti_info[RTAX_NETMASK])->sin_len); + + printf(lflag ? "%-39.39s " : "%-13.13s ", + netname(sin->sin_addr.s_addr & + mask.sin_addr.s_addr, + ntohl(mask.sin_addr.s_addr))); + + printf(lflag ? "%-39.39s " : "%-15.15s ", + routename(sin->sin_addr.s_addr)); + + network_layer = 1; + break; + } +#ifdef INET6 + case AF_INET6: { + struct sockaddr_in6 *sin6 = + (struct sockaddr_in6 *)sa; + struct sockaddr *mask = + (struct sockaddr *)rti_info[RTAX_NETMASK]; + + printf(lflag ? "%-39.39s " : "%-11.11s ", netname6(sin6, mask)); + printf(lflag ? "%-39.39s " : "%-17.17s ", (char *)inet_ntop(AF_INET6, + &sin6->sin6_addr, ntop_buf, + sizeof(ntop_buf))); + + network_layer = 1; + break; + } +#endif /*INET6*/ + case AF_LINK: { + struct sockaddr_dl *sdl = + (struct sockaddr_dl *)sa; + char linknum[10]; + cp = (char *)LLADDR(sdl); + n = sdl->sdl_alen; + snprintf(linknum, sizeof(linknum), + "<Link#%d>", sdl->sdl_index); + m = printf(lflag ? "%-39.39s " : "%-11.11s ", linknum); + goto hexprint; + } + + default: + m = printf("(%d)", sa->sa_family); + for (cp = sa->sa_len + (char *)sa; + --cp > sa->sa_data && (*cp == 0);) {} + n = cp - sa->sa_data + 1; + cp = sa->sa_data; + hexprint: + while (--n >= 0) + m += printf("%02x%c", *cp++ & 0xff, + n > 0 ? ':' : ' '); + m = (lflag ? 80 : 30) - m; + while (m-- > 0) + putchar(' '); + + link_layer = 1; + break; + } + } + + show_stat("llu", 8, ipackets, link_layer|network_layer); + printf(" "); + show_stat("llu", 5, ierrors, link_layer); + printf(" "); + if (prioflag >= 0) { + show_stat("llu", 8, ift_itcp, link_layer|network_layer); + printf(" "); + show_stat("llu", 8, ift_ipvp, link_layer|network_layer); + printf(" "); + } + if (bflag) { + show_stat("llu", 10, ibytes, link_layer|network_layer); + printf(" "); + if (prioflag >= 0) { + show_stat("llu", 8, ift_itcb, link_layer|network_layer); + printf(" "); + show_stat("llu", 8, ift_ipvb, link_layer|network_layer); + printf(" "); + } + } + show_stat("llu", 8, opackets, link_layer|network_layer); + printf(" "); + show_stat("llu", 5, oerrors, link_layer); + printf(" "); + if (prioflag >= 0) { + show_stat("llu", 8, ift_otcp, link_layer|network_layer); + printf(" "); + show_stat("llu", 8, ift_opvp, link_layer|network_layer); + printf(" "); + } + if (bflag) { + show_stat("llu", 10, obytes, link_layer|network_layer); + printf(" "); + if (prioflag >= 0) { + show_stat("llu", 8, ift_otcb, link_layer|network_layer); + printf(" "); + show_stat("llu", 8, ift_opvb, link_layer|network_layer); + printf(" "); + } + } + show_stat("llu", 5, collisions, link_layer); + if (tflag) { + printf(" "); + show_stat("d", 3, timer, link_layer); + } + if (dflag) { + printf(" "); + show_stat("d", 3, drops, link_layer); + } + if (Fflag) { + printf(" "); + show_stat("llu", 8, fpackets, link_layer|network_layer); + if (bflag) { + printf(" "); + show_stat("llu", 10, fbytes, + link_layer|network_layer); + } + } + putchar('\n'); + + if (aflag) + multipr(sa->sa_family, next, lim); + } + free(buf); +} + +struct iftot { + SLIST_ENTRY(iftot) chain; + char ift_name[16]; /* interface name */ + u_int64_t ift_ip; /* input packets */ + u_int64_t ift_ie; /* input errors */ + u_int64_t ift_op; /* output packets */ + u_int64_t ift_oe; /* output errors */ + u_int64_t ift_co; /* collisions */ + u_int64_t ift_dr; /* drops */ + u_int64_t ift_ib; /* input bytes */ + u_int64_t ift_ob; /* output bytes */ + u_int64_t ift_itcp; /* input tc packets */ + u_int64_t ift_itcb; /* input tc bytes */ + u_int64_t ift_otcp; /* output tc packets */ + u_int64_t ift_otcb; /* output tc bytes */ + u_int64_t ift_ipvp; /* input priv tc packets */ + u_int64_t ift_ipvb; /* input priv tc bytes */ + u_int64_t ift_opvp; /* output priv tc packets */ + u_int64_t ift_opvb; /* output priv tc bytes */ + u_int64_t ift_fp; /* forwarded packets */ + u_int64_t ift_fb; /* forwarded bytes */ +}; + +u_char signalled; /* set if alarm goes off "early" */ + +/* + * Print a running summary of interface statistics. + * Repeat display every interval seconds, showing statistics + * collected over that interval. Assumes that interval is non-zero. + * First line printed at top of screen is always cumulative. + * XXX - should be rewritten to use ifmib(4). + */ +static void +sidewaysintpr() +{ + struct iftot *total, *sum, *interesting; + register int line; + int first; + int name[6]; + size_t len; + unsigned int ifcount, i; + struct ifmibdata *ifmdall = 0; + int interesting_row; + sigset_t sigset, oldsigset; + struct itimerval timer_interval; + + /* Common OID prefix */ + name[0] = CTL_NET; + name[1] = PF_LINK; + name[2] = NETLINK_GENERIC; + + len = sizeof(int); + name[3] = IFMIB_SYSTEM; + name[4] = IFMIB_IFCOUNT; + if (sysctl(name, 5, &ifcount, &len, 0, 0) == 1) + err(1, "sysctl IFMIB_IFCOUNT"); + + len = ifcount * sizeof(struct ifmibdata); + ifmdall = malloc(len); + if (ifmdall == 0) + err(1, "malloc failed"); + name[3] = IFMIB_IFALLDATA; + name[4] = 0; + name[5] = IFDATA_GENERAL; + if (sysctl(name, 6, ifmdall, &len, (void *)0, 0) == -1) + err(1, "sysctl IFMIB_IFALLDATA"); + + interesting = NULL; + interesting_row = 0; + for (i = 0; i < ifcount; i++) { + struct ifmibdata *ifmd = ifmdall + i; + + if (interface && strcmp(ifmd->ifmd_name, interface) == 0) { + if ((interesting = calloc(ifcount, + sizeof(struct iftot))) == NULL) + err(1, "malloc failed"); + interesting_row = if_nametoindex(interface); + snprintf(interesting->ift_name, 16, "(%s)", + ifmd->ifmd_name);; + } + } + if ((total = calloc(1, sizeof(struct iftot))) == NULL) + err(1, "malloc failed"); + + if ((sum = calloc(1, sizeof(struct iftot))) == NULL) + err(1, "malloc failed"); + + /* create a timer that fires repeatedly every interval seconds */ + timer_interval.it_value.tv_sec = interval; + timer_interval.it_value.tv_usec = 0; + timer_interval.it_interval.tv_sec = interval; + timer_interval.it_interval.tv_usec = 0; + (void)signal(SIGALRM, catchalarm); + signalled = NO; + (void)setitimer(ITIMER_REAL, &timer_interval, NULL); + first = 1; +banner: + if (vflag > 0) + printf("%9s", " "); + + if (prioflag >= 0) + printf("%39s %39s %36s", "input", + interesting ? interesting->ift_name : "(Total)", "output"); + else + printf("%17s %14s %16s", "input", + interesting ? interesting->ift_name : "(Total)", "output"); + putchar('\n'); + + if (vflag > 0) + printf("%9s", " "); + + printf("%10s %5s %10s ", "packets", "errs", "bytes"); + if (prioflag >= 0) + printf(" %10s %10s %10s %10s", + "tcpkts", "tcbytes", "pvpkts", "pvbytes"); + printf("%10s %5s %10s %5s", "packets", "errs", "bytes", "colls"); + if (dflag) + printf(" %5.5s", "drops"); + if (prioflag >= 0) + printf(" %10s %10s %10s %10s", + "tcpkts", "tcbytes", "pvpkts", "pvbytes"); + if (Fflag) + printf(" %10s %10s", "fpackets", "fbytes"); + putchar('\n'); + fflush(stdout); + line = 0; +loop: + if (vflag && !first) + print_time(); + + if (interesting != NULL) { + struct ifmibdata ifmd; + struct ifmibdata_supplemental ifmsupp; + + len = sizeof(struct ifmibdata); + name[3] = IFMIB_IFDATA; + name[4] = interesting_row; + name[5] = IFDATA_GENERAL; + if (sysctl(name, 6, &ifmd, &len, (void *)0, 0) == -1) + err(1, "sysctl IFDATA_GENERAL %d", interesting_row); + + len = sizeof(struct ifmibdata_supplemental); + name[3] = IFMIB_IFDATA; + name[4] = interesting_row; + name[5] = IFDATA_SUPPLEMENTAL; + if (sysctl(name, 6, &ifmsupp, &len, (void *)0, 0) == -1) + err(1, "sysctl IFDATA_SUPPLEMENTAL %d", + interesting_row); + + if (!first) { + printf("%10llu %5llu %10llu ", + ifmd.ifmd_data.ifi_ipackets - interesting->ift_ip, + ifmd.ifmd_data.ifi_ierrors - interesting->ift_ie, + ifmd.ifmd_data.ifi_ibytes - interesting->ift_ib); + switch (prioflag) { + case SO_TC_BE: + printf("%10llu %10llu ", + ifmsupp.ifmd_traffic_class.ifi_ibepackets - + interesting->ift_itcp, + ifmsupp.ifmd_traffic_class.ifi_ibebytes - + interesting->ift_itcb); + break; + case SO_TC_BK: + printf("%10llu %10llu ", + ifmsupp.ifmd_traffic_class.ifi_ibkpackets - + interesting->ift_itcp, + ifmsupp.ifmd_traffic_class.ifi_ibkbytes - + interesting->ift_itcb); + break; + case SO_TC_VI: + printf("%10llu %10llu ", + ifmsupp.ifmd_traffic_class.ifi_ivipackets - + interesting->ift_itcp, + ifmsupp.ifmd_traffic_class.ifi_ivibytes - + interesting->ift_itcb); + break; + case SO_TC_VO: + printf("%10llu %10llu ", + ifmsupp.ifmd_traffic_class.ifi_ivopackets - + interesting->ift_itcp, + ifmsupp.ifmd_traffic_class.ifi_ivobytes - + interesting->ift_itcb); + break; + default: + break; + } + if (prioflag >= 0) { + printf("%10llu %10llu ", + ifmsupp.ifmd_traffic_class.ifi_ipvpackets - + interesting->ift_ipvp, + ifmsupp.ifmd_traffic_class.ifi_ipvbytes - + interesting->ift_ipvb); + } + printf("%10llu %5llu %10llu %5llu", + ifmd.ifmd_data.ifi_opackets - interesting->ift_op, + ifmd.ifmd_data.ifi_oerrors - interesting->ift_oe, + ifmd.ifmd_data.ifi_obytes - interesting->ift_ob, + ifmd.ifmd_data.ifi_collisions - interesting->ift_co); + if (dflag) + printf(" %5llu", + ifmd.ifmd_snd_drops - interesting->ift_dr); + switch (prioflag) { + case SO_TC_BE: + printf(" %10llu %10llu", + ifmsupp.ifmd_traffic_class.ifi_obepackets - + interesting->ift_otcp, + ifmsupp.ifmd_traffic_class.ifi_obebytes - + interesting->ift_otcb); + break; + case SO_TC_BK: + printf(" %10llu %10llu", + ifmsupp.ifmd_traffic_class.ifi_obkpackets - + interesting->ift_otcp, + ifmsupp.ifmd_traffic_class.ifi_obkbytes - + interesting->ift_otcb); + break; + case SO_TC_VI: + printf(" %10llu %10llu", + ifmsupp.ifmd_traffic_class.ifi_ovipackets - + interesting->ift_otcp, + ifmsupp.ifmd_traffic_class.ifi_ovibytes - + interesting->ift_otcb); + break; + case SO_TC_VO: + printf(" %10llu %10llu", + ifmsupp.ifmd_traffic_class.ifi_ovopackets - + interesting->ift_otcp, + ifmsupp.ifmd_traffic_class.ifi_ovobytes - + interesting->ift_otcb); + break; + default: + break; + } + if (prioflag >= 0) { + printf("%10llu %10llu ", + ifmsupp.ifmd_traffic_class.ifi_opvpackets - + interesting->ift_opvp, + ifmsupp.ifmd_traffic_class.ifi_opvbytes - + interesting->ift_opvb); + } + if (Fflag) { + printf("%10llu %10llu", + ifmsupp.ifmd_data_extended.ifi_fpackets - + interesting->ift_fp, + ifmsupp.ifmd_data_extended.ifi_fbytes - + interesting->ift_fb); + } + } + interesting->ift_ip = ifmd.ifmd_data.ifi_ipackets; + interesting->ift_ie = ifmd.ifmd_data.ifi_ierrors; + interesting->ift_ib = ifmd.ifmd_data.ifi_ibytes; + interesting->ift_op = ifmd.ifmd_data.ifi_opackets; + interesting->ift_oe = ifmd.ifmd_data.ifi_oerrors; + interesting->ift_ob = ifmd.ifmd_data.ifi_obytes; + interesting->ift_co = ifmd.ifmd_data.ifi_collisions; + interesting->ift_dr = ifmd.ifmd_snd_drops; + + /* private counters */ + switch (prioflag) { + case SO_TC_BE: + interesting->ift_itcp = + ifmsupp.ifmd_traffic_class.ifi_ibepackets; + interesting->ift_itcb = + ifmsupp.ifmd_traffic_class.ifi_ibebytes; + interesting->ift_otcp = + ifmsupp.ifmd_traffic_class.ifi_obepackets; + interesting->ift_otcb = + ifmsupp.ifmd_traffic_class.ifi_obebytes; + break; + case SO_TC_BK: + interesting->ift_itcp = + ifmsupp.ifmd_traffic_class.ifi_ibkpackets; + interesting->ift_itcb = + ifmsupp.ifmd_traffic_class.ifi_ibkbytes; + interesting->ift_otcp = + ifmsupp.ifmd_traffic_class.ifi_obkpackets; + interesting->ift_otcb = + ifmsupp.ifmd_traffic_class.ifi_obkbytes; + break; + case SO_TC_VI: + interesting->ift_itcp = + ifmsupp.ifmd_traffic_class.ifi_ivipackets; + interesting->ift_itcb = + ifmsupp.ifmd_traffic_class.ifi_ivibytes; + interesting->ift_otcp = + ifmsupp.ifmd_traffic_class.ifi_ovipackets; + interesting->ift_otcb = + ifmsupp.ifmd_traffic_class.ifi_ovibytes; + break; + case SO_TC_VO: + interesting->ift_itcp = + ifmsupp.ifmd_traffic_class.ifi_ivopackets; + interesting->ift_itcb = + ifmsupp.ifmd_traffic_class.ifi_ivobytes; + interesting->ift_otcp = + ifmsupp.ifmd_traffic_class.ifi_ovopackets; + interesting->ift_otcb = + ifmsupp.ifmd_traffic_class.ifi_ovobytes; + break; + default: + break; + } + if (prioflag >= 0) { + interesting->ift_ipvp = + ifmsupp.ifmd_traffic_class.ifi_ipvpackets; + interesting->ift_ipvb = + ifmsupp.ifmd_traffic_class.ifi_ipvbytes; + interesting->ift_opvp = + ifmsupp.ifmd_traffic_class.ifi_opvpackets; + interesting->ift_opvb = + ifmsupp.ifmd_traffic_class.ifi_opvbytes; + } + interesting->ift_fp = ifmsupp.ifmd_data_extended.ifi_fpackets; + interesting->ift_fb = ifmsupp.ifmd_data_extended.ifi_fbytes; + } else { + unsigned int latest_ifcount; + struct ifmibdata_supplemental *ifmsuppall = NULL; + + len = sizeof(int); + name[3] = IFMIB_SYSTEM; + name[4] = IFMIB_IFCOUNT; + if (sysctl(name, 5, &latest_ifcount, &len, 0, 0) == 1) + err(1, "sysctl IFMIB_IFCOUNT"); + if (latest_ifcount > ifcount) { + ifcount = latest_ifcount; + len = ifcount * sizeof(struct ifmibdata); + free(ifmdall); + ifmdall = malloc(len); + if (ifmdall == 0) + err(1, "malloc ifmdall failed"); + } else if (latest_ifcount > ifcount) { + ifcount = latest_ifcount; + len = ifcount * sizeof(struct ifmibdata); + } + len = ifcount * sizeof(struct ifmibdata); + name[3] = IFMIB_IFALLDATA; + name[4] = 0; + name[5] = IFDATA_GENERAL; + if (sysctl(name, 6, ifmdall, &len, (void *)0, 0) == -1) + err(1, "sysctl IFMIB_IFALLDATA"); + + len = ifcount * sizeof(struct ifmibdata_supplemental); + ifmsuppall = malloc(len); + if (ifmsuppall == NULL) + err(1, "malloc ifmsuppall failed"); + name[3] = IFMIB_IFALLDATA; + name[4] = 0; + name[5] = IFDATA_SUPPLEMENTAL; + if (sysctl(name, 6, ifmsuppall, &len, (void *)0, 0) == -1) + err(1, "sysctl IFMIB_IFALLDATA SUPPLEMENTAL"); + + sum->ift_ip = 0; + sum->ift_ie = 0; + sum->ift_ib = 0; + sum->ift_op = 0; + sum->ift_oe = 0; + sum->ift_ob = 0; + sum->ift_co = 0; + sum->ift_dr = 0; + sum->ift_itcp = 0; + sum->ift_itcb = 0; + sum->ift_otcp = 0; + sum->ift_otcb = 0; + sum->ift_ipvp = 0; + sum->ift_ipvb = 0; + sum->ift_opvp = 0; + sum->ift_opvb = 0; + sum->ift_fp = 0; + sum->ift_fb = 0; + for (i = 0; i < ifcount; i++) { + struct ifmibdata *ifmd = ifmdall + i; + struct ifmibdata_supplemental *ifmsupp = ifmsuppall + i; + + sum->ift_ip += ifmd->ifmd_data.ifi_ipackets; + sum->ift_ie += ifmd->ifmd_data.ifi_ierrors; + sum->ift_ib += ifmd->ifmd_data.ifi_ibytes; + sum->ift_op += ifmd->ifmd_data.ifi_opackets; + sum->ift_oe += ifmd->ifmd_data.ifi_oerrors; + sum->ift_ob += ifmd->ifmd_data.ifi_obytes; + sum->ift_co += ifmd->ifmd_data.ifi_collisions; + sum->ift_dr += ifmd->ifmd_snd_drops; + /* private counters */ + if (prioflag >= 0) { + switch (prioflag) { + case SO_TC_BE: + sum->ift_itcp += ifmsupp->ifmd_traffic_class.ifi_ibepackets; + sum->ift_itcb += ifmsupp->ifmd_traffic_class.ifi_ibebytes; + sum->ift_otcp += ifmsupp->ifmd_traffic_class.ifi_obepackets; + sum->ift_otcb += ifmsupp->ifmd_traffic_class.ifi_obebytes; + break; + case SO_TC_BK: + sum->ift_itcp += ifmsupp->ifmd_traffic_class.ifi_ibkpackets; + sum->ift_itcb += ifmsupp->ifmd_traffic_class.ifi_ibkbytes; + sum->ift_otcp += ifmsupp->ifmd_traffic_class.ifi_obkpackets; + sum->ift_otcb += ifmsupp->ifmd_traffic_class.ifi_obkbytes; + break; + case SO_TC_VI: + sum->ift_itcp += ifmsupp->ifmd_traffic_class.ifi_ivipackets; + sum->ift_itcb += ifmsupp->ifmd_traffic_class.ifi_ivibytes; + sum->ift_otcp += ifmsupp->ifmd_traffic_class.ifi_ovipackets; + sum->ift_otcb += ifmsupp->ifmd_traffic_class.ifi_ovibytes; + break; + case SO_TC_VO: + sum->ift_itcp += ifmsupp->ifmd_traffic_class.ifi_ivopackets; + sum->ift_itcb += ifmsupp->ifmd_traffic_class.ifi_ivobytes; + sum->ift_otcp += ifmsupp->ifmd_traffic_class.ifi_ovopackets; + sum->ift_otcb += ifmsupp->ifmd_traffic_class.ifi_ovobytes; + break; + default: + break; + } + sum->ift_ipvp += ifmsupp->ifmd_traffic_class.ifi_ipvpackets; + sum->ift_ipvb += ifmsupp->ifmd_traffic_class.ifi_ipvbytes; + sum->ift_opvp += ifmsupp->ifmd_traffic_class.ifi_opvpackets; + sum->ift_opvb += ifmsupp->ifmd_traffic_class.ifi_opvbytes; + } + sum->ift_fp += ifmsupp->ifmd_data_extended.ifi_fpackets; + sum->ift_fb += ifmsupp->ifmd_data_extended.ifi_fbytes; + } + if (!first) { + printf("%10llu %5llu %10llu ", + sum->ift_ip - total->ift_ip, + sum->ift_ie - total->ift_ie, + sum->ift_ib - total->ift_ib); + if (prioflag >= 0) + printf(" %10llu %10llu %10llu %10llu", + sum->ift_itcp - total->ift_itcp, + sum->ift_itcb - total->ift_itcb, + sum->ift_ipvp - total->ift_ipvp, + sum->ift_ipvb - total->ift_ipvb); + printf("%10llu %5llu %10llu %5llu", + sum->ift_op - total->ift_op, + sum->ift_oe - total->ift_oe, + sum->ift_ob - total->ift_ob, + sum->ift_co - total->ift_co); + if (dflag) + printf(" %5llu", sum->ift_dr - total->ift_dr); + if (prioflag >= 0) + printf(" %10llu %10llu %10llu %10llu", + sum->ift_otcp - total->ift_otcp, + sum->ift_otcb - total->ift_otcb, + sum->ift_opvp - total->ift_opvp, + sum->ift_opvb - total->ift_opvb); + if (Fflag) + printf(" %10llu %10llu", + sum->ift_fp - total->ift_fp, + sum->ift_fb - total->ift_fb); + } + *total = *sum; + + free(ifmsuppall); + } + if (!first) + putchar('\n'); + fflush(stdout); + sigemptyset(&sigset); + sigaddset(&sigset, SIGALRM); + (void)sigprocmask(SIG_BLOCK, &sigset, &oldsigset); + if (!signalled) { + sigemptyset(&sigset); + sigsuspend(&sigset); + } + (void)sigprocmask(SIG_SETMASK, &oldsigset, NULL); + + signalled = NO; + line++; + first = 0; + if (line == 21) + goto banner; + else + goto loop; + /*NOTREACHED*/ +} + +void +intervalpr(void (*pr)(uint32_t, char *, int), uint32_t off, char *name , int af) +{ + struct itimerval timer_interval; + sigset_t sigset, oldsigset; + + /* create a timer that fires repeatedly every interval seconds */ + timer_interval.it_value.tv_sec = interval; + timer_interval.it_value.tv_usec = 0; + timer_interval.it_interval.tv_sec = interval; + timer_interval.it_interval.tv_usec = 0; + (void) signal(SIGALRM, catchalarm); + signalled = NO; + (void) setitimer(ITIMER_REAL, &timer_interval, NULL); + + for (;;) { + pr(off, name, af); + + fflush(stdout); + sigemptyset(&sigset); + sigaddset(&sigset, SIGALRM); + (void) sigprocmask(SIG_BLOCK, &sigset, &oldsigset); + if (!signalled) { + sigemptyset(&sigset); + sigsuspend(&sigset); + } + (void) sigprocmask(SIG_SETMASK, &oldsigset, NULL); + signalled = NO; + } +} + +/* + * Called if an interval expires before sidewaysintpr has completed a loop. + * Sets a flag to not wait for the alarm. + */ +static void +catchalarm(int signo ) +{ + signalled = YES; +} + +static char * +sec2str(total) + time_t total; +{ + static char result[256]; + int days, hours, mins, secs; + int first = 1; + char *p = result; + + days = total / 3600 / 24; + hours = (total / 3600) % 24; + mins = (total / 60) % 60; + secs = total % 60; + + if (days) { + first = 0; + p += snprintf(p, sizeof(result) - (p - result), "%dd", days); + } + if (!first || hours) { + first = 0; + p += snprintf(p, sizeof(result) - (p - result), "%dh", hours); + } + if (!first || mins) { + first = 0; + p += snprintf(p, sizeof(result) - (p - result), "%dm", mins); + } + snprintf(p, sizeof(result) - (p - result), "%ds", secs); + + return(result); +} + +void +intpr_ri(void (*pfunc)(char *)) +{ + int mib[6]; + char *buf = NULL, *lim, *next; + size_t len; + unsigned int ifindex = 0; + struct if_msghdr2 *if2m; + + if (interface != 0) { + ifindex = if_nametoindex(interface); + if (ifindex == 0) { + printf("interface name is not valid: %s\n", interface); + exit(1); + } + } + + mib[0] = CTL_NET; /* networking subsystem */ + mib[1] = PF_ROUTE; /* type of information */ + mib[2] = 0; /* protocol (IPPROTO_xxx) */ + mib[3] = 0; /* address family */ + mib[4] = NET_RT_IFLIST2; /* operation */ + mib[5] = 0; + if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) + return; + if ((buf = malloc(len)) == NULL) { + printf("malloc failed\n"); + exit(1); + } + if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) { + free(buf); + return; + } + + printf("%-6s %-17s %8.8s %-9.9s %4s %4s", + "Proto", "Linklayer Address", "Netif", "Expire", "Refs", + "Prbs"); + if (xflag) + printf(" %7s %7s %7s", "RSSI", "LQM", "NPM"); + printf("\n"); + + lim = buf + len; + if2m = (struct if_msghdr2 *)buf; + + for (next = buf; next < lim; ) { + if2m = (struct if_msghdr2 *)next; + next += if2m->ifm_msglen; + + if (if2m->ifm_type != RTM_IFINFO2) + continue; + else if (interface != 0 && if2m->ifm_index != ifindex) + continue; + + llreach_sysctl(if2m->ifm_index); + } + free(buf); +} + +static void +llreach_sysctl(uint32_t ifindex) +{ +#define MAX_SYSCTL_TRY 5 + int mib[6], i, ntry = 0; + size_t mibsize, len, needed, cnt; + struct if_llreach_info *lri; + struct timeval time; + char *buf; + char ifname[IF_NAMESIZE]; + + bzero(&mib, sizeof (mib)); + mibsize = sizeof (mib) / sizeof (mib[0]); + if (sysctlnametomib("net.link.generic.system.llreach_info", mib, + &mibsize) == -1) { + perror("sysctlnametomib"); + return; + } + + needed = 0; + mib[5] = ifindex; + + mibsize = sizeof (mib) / sizeof (mib[0]); + do { + if (sysctl(mib, mibsize, NULL, &needed, NULL, 0) == -1) { + perror("sysctl net.link.generic.system.llreach_info"); + return; + } + if ((buf = malloc(needed)) == NULL) { + perror("malloc"); + return; + } + if (sysctl(mib, mibsize, buf, &needed, NULL, 0) == -1) { + if (errno != ENOMEM || ++ntry >= MAX_SYSCTL_TRY) { + perror("sysctl"); + goto out_free; + } + free(buf); + buf = NULL; + } + } while (buf == NULL); + + len = needed; + cnt = len / sizeof (*lri); + lri = (struct if_llreach_info *)buf; + + gettimeofday(&time, 0); + if (if_indextoname(ifindex, ifname) == NULL) + snprintf(ifname, sizeof (ifname), "%s", "?"); + + for (i = 0; i < cnt; i++, lri++) { + printf("0x%-4x %-17s %8.8s ", lri->lri_proto, + ether_ntoa((struct ether_addr *)lri->lri_addr), ifname); + + if (lri->lri_expire > time.tv_sec) + printf("%-9.9s", sec2str(lri->lri_expire - time.tv_sec)); + else if (lri->lri_expire == 0) + printf("%-9.9s", "permanent"); + else + printf("%-9.9s", "expired"); + + printf(" %4d", lri->lri_refcnt); + if (lri->lri_probes) + printf(" %4d", lri->lri_probes); + + if (xflag) { + if (!lri->lri_probes) + printf(" %-4.4s", "none"); + + if (lri->lri_rssi != IFNET_RSSI_UNKNOWN) + printf(" %7d", lri->lri_rssi); + else + printf(" %-7.7s", "unknown"); + + switch (lri->lri_lqm) + { + case IFNET_LQM_THRESH_OFF: + printf(" %-7.7s", "off"); + break; + case IFNET_LQM_THRESH_UNKNOWN: + printf(" %-7.7s", "unknown"); + break; + case IFNET_LQM_THRESH_POOR: + printf(" %-7.7s", "poor"); + break; + case IFNET_LQM_THRESH_GOOD: + printf(" %-7.7s", "good"); + break; + default: + printf(" %7d", lri->lri_lqm); + break; + } + + switch (lri->lri_npm) + { + case IFNET_NPM_THRESH_UNKNOWN: + printf(" %-7.7s", "unknown"); + break; + case IFNET_NPM_THRESH_NEAR: + printf(" %-7.7s", "near"); + break; + case IFNET_NPM_THRESH_GENERAL: + printf(" %-7.7s", "general"); + break; + case IFNET_NPM_THRESH_FAR: + printf(" %-7.7s", "far"); + break; + default: + printf(" %7d", lri->lri_npm); + break; + } + } + + printf("\n"); + len -= sizeof (*lri); + } + + if (len > 0) { + fprintf(stderr, "warning: %u trailing bytes from %s\n", + (unsigned int)len, "net.link.generic.system.llreach_info"); + } + +out_free: + free(buf); +#undef MAX_SYSCTL_TRY +} + +void +aqstatpr(void) +{ + unsigned int ifindex; + struct itimerval timer_interval; + struct if_qstatsreq ifqr; + struct if_ifclassq_stats *ifcqs; + sigset_t sigset, oldsigset; + u_int32_t scheduler; + int s, n; + + if (cq < -1 || cq >= IFCQ_SC_MAX) { + fprintf(stderr, "Invalid classq index (range is 0-%d)\n", + IFCQ_SC_MAX-1); + return; + } + ifindex = if_nametoindex(interface); + if (ifindex == 0) { + fprintf(stderr, "Invalid interface name\n"); + return; + } + + ifcqs = malloc(sizeof (*ifcqs)); + if (ifcqs == NULL) { + fprintf(stderr, "Unable to allocate memory\n"); + return; + } + + if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { + perror("Warning: socket(AF_INET)"); + free(ifcqs); + return; + } + + bzero(&ifqr, sizeof (ifqr)); + strlcpy(ifqr.ifqr_name, interface, sizeof (ifqr.ifqr_name)); + ifqr.ifqr_buf = ifcqs; + ifqr.ifqr_len = sizeof (*ifcqs); + +loop: + if (interval > 0) { + /* create a timer that fires repeatedly every interval seconds */ + timer_interval.it_value.tv_sec = interval; + timer_interval.it_value.tv_usec = 0; + timer_interval.it_interval.tv_sec = interval; + timer_interval.it_interval.tv_usec = 0; + (void) signal(SIGALRM, catchalarm); + signalled = NO; + (void) setitimer(ITIMER_REAL, &timer_interval, NULL); + } + + ifqr.ifqr_slot = 0; + if (ioctl(s, SIOCGIFQUEUESTATS, (char *)&ifqr) < 0) { + if (errno == ENXIO) { + printf("Queue statistics are not available on %s\n", + interface); + } else { + perror("Warning: ioctl(SIOCGIFQUEUESTATS)"); + } + goto done; + } + scheduler = ifcqs->ifqs_scheduler; + + printf("%s:\n" + " [ sched: %9s qlength: %3d/%3d ]\n", + interface, sched2str(ifcqs->ifqs_scheduler), + ifcqs->ifqs_len, ifcqs->ifqs_maxlen); + printf(" [ pkts: %10llu bytes: %10llu " + " dropped pkts: %6llu bytes: %6llu ]\n", + ifcqs->ifqs_xmitcnt.packets, ifcqs->ifqs_xmitcnt.bytes, + ifcqs->ifqs_dropcnt.packets, ifcqs->ifqs_dropcnt.bytes); + + for (n = 0; n < IFCQ_SC_MAX && scheduler != PKTSCHEDT_NONE; n++) { + if (cq >= 0 && cq != n) + continue; + + ifqr.ifqr_slot = n; + if (ioctl(s, SIOCGIFQUEUESTATS, (char *)&ifqr) < 0) { + perror("Warning: ioctl(SIOCGIFQUEUESTATS)"); + goto done; + } + + update_avg(ifcqs, &qstats[n]); + + switch (scheduler) { + case PKTSCHEDT_FQ_CODEL: + print_fq_codel_stats(n, + &ifcqs->ifqs_fq_codel_stats, + &qstats[n]); + break; + case PKTSCHEDT_NONE: + default: + break; + } + } + + fflush(stdout); + + if (interval > 0) { + sigemptyset(&sigset); + sigaddset(&sigset, SIGALRM); + (void) sigprocmask(SIG_BLOCK, &sigset, &oldsigset); + if (!signalled) { + sigemptyset(&sigset); + sigsuspend(&sigset); + } + (void) sigprocmask(SIG_SETMASK, &oldsigset, NULL); + + signalled = NO; + goto loop; + } + +done: + free(ifcqs); + close(s); +} + +static void +print_fq_codel_stats(int pri, struct fq_codel_classstats *fqst, + struct queue_stats *qs) +{ + int i = 0; + + if (fqst->fcls_service_class == 0 && fqst->fcls_pri == 0) + return; + printf("=====================================================\n"); + printf(" [ pri: %s (%d)\tsrv_cl: 0x%x\tquantum: %d\tdrr_max: %d ]\n", + pri2str(fqst->fcls_pri), fqst->fcls_pri, + fqst->fcls_service_class, fqst->fcls_quantum, + fqst->fcls_drr_max); + printf(" [ queued pkts: %llu\tbytes: %llu ]\n", + fqst->fcls_pkt_cnt, fqst->fcls_byte_cnt); + printf(" [ dequeued pkts: %llu\tbytes: %llu ]\n", + fqst->fcls_dequeue, fqst->fcls_dequeue_bytes); + printf(" [ budget: %lld\ttarget qdelay: %10s\t", + fqst->fcls_budget, nsec_to_str(fqst->fcls_target_qdelay)); + printf("update interval:%10s ]\n", + nsec_to_str(fqst->fcls_update_interval)); + printf(" [ flow control: %u\tfeedback: %u\tstalls: %u\tfailed: %u ]\n", + fqst->fcls_flow_control, fqst->fcls_flow_feedback, + fqst->fcls_dequeue_stall, fqst->fcls_flow_control_fail); + printf(" [ drop overflow: %llu\tearly: %llu\tmemfail: %u\tduprexmt:%u ]\n", + fqst->fcls_drop_overflow, fqst->fcls_drop_early, + fqst->fcls_drop_memfailure, fqst->fcls_dup_rexmts); + printf(" [ flows total: %u\tnew: %u\told: %u ]\n", + fqst->fcls_flows_cnt, + fqst->fcls_newflows_cnt, fqst->fcls_oldflows_cnt); + printf(" [ throttle on: %u\toff: %u\tdrop: %u ]\n", + fqst->fcls_throttle_on, fqst->fcls_throttle_off, + fqst->fcls_throttle_drops); + printf(" [ compressible pkts: %u compressed pkts: %u]\n", + fqst->fcls_pkts_compressible, fqst->fcls_pkts_compressed); + + if (qflag < 2) + return; + + if (fqst->fcls_flowstats_cnt > 0) { + printf("Flowhash\tBytes\tMin qdelay\tFlags\t\n"); + for (i = 0; i < fqst->fcls_flowstats_cnt; i++) { + printf("%u\t%u\t%14s\t", + fqst->fcls_flowstats[i].fqst_flowhash, + fqst->fcls_flowstats[i].fqst_bytes, + nsec_to_str(fqst->fcls_flowstats[i].fqst_min_qdelay)); + if (fqst->fcls_flowstats[i].fqst_flags & + FQ_FLOWSTATS_OLD_FLOW) + printf("O"); + if (fqst->fcls_flowstats[i].fqst_flags & + FQ_FLOWSTATS_NEW_FLOW) + printf("N"); + if (fqst->fcls_flowstats[i].fqst_flags & + FQ_FLOWSTATS_LARGE_FLOW) + printf("L"); + if (fqst->fcls_flowstats[i].fqst_flags & + FQ_FLOWSTATS_DELAY_HIGH) + printf("D"); + if (fqst->fcls_flowstats[i].fqst_flags & + FQ_FLOWSTATS_FLOWCTL_ON) + printf("F"); + printf("\n"); + } + } +} + +static void +update_avg(struct if_ifclassq_stats *ifcqs, struct queue_stats *qs) +{ + u_int64_t b, p; + int n; + + n = qs->avgn; + + switch (ifcqs->ifqs_scheduler) { + case PKTSCHEDT_FQ_CODEL: + b = ifcqs->ifqs_fq_codel_stats.fcls_dequeue_bytes; + p = ifcqs->ifqs_fq_codel_stats.fcls_dequeue; + break; + default: + b = 0; + p = 0; + break; + } + + if (n == 0) { + qs->prev_bytes = b; + qs->prev_packets = p; + qs->avgn++; + return; + } + + if (b >= qs->prev_bytes) + qs->avg_bytes = ((qs->avg_bytes * (n - 1)) + + (b - qs->prev_bytes)) / n; + + if (p >= qs->prev_packets) + qs->avg_packets = ((qs->avg_packets * (n - 1)) + + (p - qs->prev_packets)) / n; + + qs->prev_bytes = b; + qs->prev_packets = p; + if (n < AVGN_MAX) + qs->avgn++; +} + +#define NSEC_PER_SEC 1000000000 /* nanoseconds per second */ +#define USEC_PER_SEC 1000000 /* microseconds per second */ +#define MSEC_PER_SEC 1000 /* milliseconds per second */ + +static char * +nsec_to_str(unsigned long long nsec) +{ + static char buf[32]; + const char *u; + long double n = nsec, t; + + if (nsec >= NSEC_PER_SEC) { + t = n / NSEC_PER_SEC; + u = "sec "; + } else if (n >= USEC_PER_SEC) { + t = n / USEC_PER_SEC; + u = "msec"; + } else if (n >= MSEC_PER_SEC) { + t = n / MSEC_PER_SEC; + u = "usec"; + } else { + t = n; + u = "nsec"; + } + + snprintf(buf, sizeof (buf), "%-4.2Lf %4s", t, u); + return (buf); +} + +static char * +sched2str(unsigned int s) +{ + char *c; + + switch (s) { + case PKTSCHEDT_NONE: + c = "NONE"; + break; + case PKTSCHEDT_FQ_CODEL: + c = "FQ_CODEL"; + break; + default: + c = "UNKNOWN"; + break; + } + + return (c); +} + +static char * +pri2str(unsigned int i) +{ + char *c; + switch (i) { + case 9: + c = "BK_SYS"; + break; + case 8: + c = "BK"; + break; + case 7: + c = "BE"; + break; + case 6: + c = "RD"; + break; + case 5: + c = "OAM"; + break; + case 4: + c = "AV"; + break; + case 3: + c = "RV"; + break; + case 2: + c = "VI"; + break; + case 1: + c = "VO"; + break; + case 0: + c = "CTL"; + break; + default: + c = "?"; + break; + } + return (c); +} + +void +rxpollstatpr(void) +{ + struct ifmibdata_supplemental ifmsupp; + size_t miblen = sizeof (ifmsupp); + struct itimerval timer_interval; + struct if_rxpoll_stats *sp; + struct if_netif_stats *np; + sigset_t sigset, oldsigset; + unsigned int ifindex; + int name[6]; + + ifindex = if_nametoindex(interface); + if (ifindex == 0) { + fprintf(stderr, "Invalid interface name\n"); + return; + } + + bzero(&ifmsupp, sizeof (struct ifmibdata_supplemental)); + +loop: + if (interval > 0) { + /* create a timer that fires repeatedly every interval seconds */ + timer_interval.it_value.tv_sec = interval; + timer_interval.it_value.tv_usec = 0; + timer_interval.it_interval.tv_sec = interval; + timer_interval.it_interval.tv_usec = 0; + (void) signal(SIGALRM, catchalarm); + signalled = NO; + (void) setitimer(ITIMER_REAL, &timer_interval, NULL); + } + + /* Common OID prefix */ + name[0] = CTL_NET; + name[1] = PF_LINK; + name[2] = NETLINK_GENERIC; + name[3] = IFMIB_IFDATA; + name[4] = ifindex; + name[5] = IFDATA_SUPPLEMENTAL; + if (sysctl(name, 6, &ifmsupp, &miblen, NULL, 0) == -1) + err(1, "sysctl IFDATA_SUPPLEMENTAL"); + + sp = &ifmsupp.ifmd_rxpoll_stats; + + printf("%-4s [ poll on requests: %15u errors: %27u ]\n", + interface, sp->ifi_poll_on_req, sp->ifi_poll_on_err); + printf(" [ poll off requests: %15u errors: %27u ]\n", + sp->ifi_poll_off_req, sp->ifi_poll_off_err); + printf(" [ polled packets: %18llu per poll limit: %19u ]\n", + sp->ifi_poll_packets, sp->ifi_poll_packets_limit); + printf(" [ polled bytes: %20llu ]\n", sp->ifi_poll_bytes); + printf(" [ poll interval: %14llu nsec ]\n", + sp->ifi_poll_interval_time); + printf(" [ sampled packets avg/min/max: %12u / %12u / %12u ]\n", + sp->ifi_poll_packets_avg, sp->ifi_poll_packets_min, + sp->ifi_poll_packets_max); + printf(" [ sampled bytes avg/min/max: %12u / %12u / %12u ]\n", + sp->ifi_poll_bytes_avg, sp->ifi_poll_bytes_min, + sp->ifi_poll_bytes_max); + printf(" [ sampled wakeups avg: %12u ]\n", + sp->ifi_poll_wakeups_avg); + printf(" [ packets lowat/hiwat threshold: %10u / %10u ]\n", + sp->ifi_poll_packets_lowat, sp->ifi_poll_packets_hiwat); + printf(" [ bytes lowat/hiwat threshold: %10u / %10u ]\n", + sp->ifi_poll_bytes_lowat, sp->ifi_poll_bytes_hiwat); + printf(" [ wakeups lowat/hiwat threshold: %10u / %10u ]\n", + sp->ifi_poll_wakeups_lowat, sp->ifi_poll_wakeups_hiwat); + + np = &ifmsupp.ifmd_netif_stats; + printf(" [ mit mode: %24U cfg idx: %26u ]\n", + np->ifn_rx_mit_mode, np->ifn_rx_mit_cfg_idx); + printf(" [ cfg packets lo/hi threshold: %12u / %12u ]\n", + np->ifn_rx_mit_cfg_packets_lowat, np->ifn_rx_mit_cfg_packets_hiwat); + printf(" [ cfg bytes lo/hi threshold: %12u / %12u ]\n", + np->ifn_rx_mit_cfg_bytes_lowat, np->ifn_rx_mit_cfg_bytes_hiwat); + printf(" [ cfg interval: %15u nsec ]\n", + np->ifn_rx_mit_cfg_interval); + printf(" [ mit interval: %15llu nsec ]\n", + np->ifn_rx_mit_interval); + printf(" [ mit packets avg/min/max: %12u / %12u / %12u ]\n", + np->ifn_rx_mit_packets_avg, np->ifn_rx_mit_packets_min, + np->ifn_rx_mit_packets_max); + printf(" [ mit bytes avg/min/max: %12u / %12u / %12u ]\n", + np->ifn_rx_mit_bytes_avg, np->ifn_rx_mit_bytes_min, + np->ifn_rx_mit_bytes_max); + + fflush(stdout); + + if (interval > 0) { + sigemptyset(&sigset); + sigaddset(&sigset, SIGALRM); + (void) sigprocmask(SIG_BLOCK, &sigset, &oldsigset); + if (!signalled) { + sigemptyset(&sigset); + sigsuspend(&sigset); + } + (void) sigprocmask(SIG_SETMASK, &oldsigset, NULL); + + signalled = NO; + goto loop; + } +} + +static int +create_control_socket(const char *control_name) +{ + struct sockaddr_ctl sc; + struct ctl_info ctl; + int fd; + + fd = socket(PF_SYSTEM, SOCK_DGRAM, SYSPROTO_CONTROL); + if (fd == -1) { + perror("socket(PF_SYSTEM)"); + return fd; + } + + /* Get the control ID for statistics */ + bzero(&ctl, sizeof(ctl)); + strlcpy(ctl.ctl_name, control_name, sizeof(ctl.ctl_name)); + if (ioctl(fd, CTLIOCGINFO, &ctl) == -1) + { + perror("ioctl(CTLIOCGINFO)"); + close(fd); + return -1; + } + + /* Connect to the statistics control */ + bzero(&sc, sizeof(sc)); + sc.sc_len = sizeof(sc); + sc.sc_family = AF_SYSTEM; + sc.ss_sysaddr = SYSPROTO_CONTROL; + sc.sc_id = ctl.ctl_id; + sc.sc_unit = 0; + if (connect(fd, (struct sockaddr*)&sc, sc.sc_len) != 0) + { + perror("connect(SYSPROTO_CONTROL)"); + close(fd); + return -1; + } + + /* Set socket to non-blocking operation */ + if (fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK) == -1) { + perror("fcnt(F_SETFL,O_NONBLOCK)"); + close(fd); + return -1; + } + return fd; +} + +static int +add_nstat_src(int fd, const nstat_ifnet_add_param *ifparam, + nstat_src_ref_t *outsrc) +{ + nstat_msg_add_src_req *addreq; + nstat_msg_src_added *addedmsg; + nstat_ifnet_add_param *param; + char buffer[sizeof(*addreq) + sizeof(*param)]; + ssize_t result; + const u_int32_t addreqsize = + offsetof(struct nstat_msg_add_src, param) + sizeof(*param); + + /* Setup the add source request */ + addreq = (nstat_msg_add_src_req *)buffer; + param = (nstat_ifnet_add_param*)addreq->param; + bzero(addreq, addreqsize); + addreq->hdr.context = (uintptr_t)&buffer; + addreq->hdr.type = NSTAT_MSG_TYPE_ADD_SRC; + addreq->provider = NSTAT_PROVIDER_IFNET; + bzero(param, sizeof(*param)); + param->ifindex = ifparam->ifindex; + param->threshold = ifparam->threshold; + + /* Send the add source request */ + result = send(fd, addreq, addreqsize, 0); + if (result != addreqsize) + { + if (result == -1) + perror("send(NSTAT_ADD_SRC_REQ)"); + else + fprintf(stderr, "%s: could only sent %ld out of %d\n", + __func__, result, addreqsize); + return -1; + } + + /* Receive the response */ + addedmsg = (nstat_msg_src_added *)buffer; + result = recv(fd, addedmsg, sizeof(buffer), 0); + if (result < sizeof(*addedmsg)) + { + if (result == -1) + perror("recv(NSTAT_ADD_SRC_RSP)"); + else + fprintf(stderr, "%s: recv too small, received %ld, " + "expected %lu\n", __func__, result, + sizeof(*addedmsg)); + return -1; + } + + if (addedmsg->hdr.type != NSTAT_MSG_TYPE_SRC_ADDED) + { + fprintf(stderr, "%s: received wrong message type, received %u " + "expected %u\n", __func__, addedmsg->hdr.type, + NSTAT_MSG_TYPE_SRC_ADDED); + return -1; + } + + if (addedmsg->hdr.context != (uintptr_t)&buffer) + { + fprintf(stderr, "%s: received wrong context, received %llu " + "expected %lu\n", __func__, addedmsg->hdr.context, + (uintptr_t)&buffer); + return -1; + } + *outsrc = addedmsg->srcref; + return 0; +} + +static int +rem_nstat_src(int fd, nstat_src_ref_t sref) +{ + nstat_msg_rem_src_req *remreq; + nstat_msg_src_removed *remrsp; + char buffer[sizeof(*remreq)]; + ssize_t result; + + /* Setup the add source request */ + remreq = (nstat_msg_rem_src_req *)buffer; + bzero(remreq, sizeof(*remreq)); + remreq->hdr.type = NSTAT_MSG_TYPE_REM_SRC; + remreq->srcref = sref; + + /* Send the remove source request */ + result = send(fd, remreq, sizeof(*remreq), 0); + if (result != sizeof(*remreq)) { + if (result == -1) + perror("send(NSTAT_REM_SRC_REQ)"); + else + fprintf(stderr, "%s: could only sent %ld out of %lu\n", + __func__, result, sizeof(*remreq)); + return -1; + } + + /* Receive the response */ + remrsp = (nstat_msg_src_removed *)buffer; + result = recv(fd, remrsp, sizeof(buffer), 0); + if (result < sizeof(*remrsp)) { + if (result == -1) + perror("recv(NSTAT_REM_SRC_RSP)"); + else + fprintf(stderr, "%s: recv too small, received %ld, " + "expected %lu\n", __func__, result, + sizeof(*remrsp)); + return -1; + } + + if (remrsp->hdr.type != NSTAT_MSG_TYPE_SRC_REMOVED) { + fprintf(stderr, "%s: received wrong message type, received %u " + "expected %u\n", __func__, remrsp->hdr.type, + NSTAT_MSG_TYPE_SRC_REMOVED); + return -1; + } + + if (remrsp->srcref != sref) { + fprintf(stderr, "%s: received invalid srcref, received %llu " + "expected %llu\n", __func__, remrsp->srcref, sref); + } + return 0; +} + +static int +get_src_decsription(int fd, nstat_src_ref_t srcref, + struct nstat_ifnet_descriptor *ifdesc) +{ + nstat_msg_get_src_description *dreq; + nstat_msg_src_description *drsp; + char buffer[sizeof(*drsp) + sizeof(*ifdesc)]; + ssize_t result; + const u_int32_t descsize = + offsetof(struct nstat_msg_src_description, data) + + sizeof(nstat_ifnet_descriptor); + + dreq = (nstat_msg_get_src_description *)buffer; + bzero(dreq, sizeof(*dreq)); + dreq->hdr.type = NSTAT_MSG_TYPE_GET_SRC_DESC; + dreq->srcref = srcref; + result = send(fd, dreq, sizeof(*dreq), 0); + if (result != sizeof(*dreq)) + { + if (result == -1) + perror("send(NSTAT_GET_SRC_DESC_REQ)"); + else + fprintf(stderr, "%s: sent %ld out of %lu\n", + __func__, result, sizeof(*dreq)); + return -1; + } + + /* Receive the source description response */ + drsp = (nstat_msg_src_description *)buffer; + result = recv(fd, drsp, sizeof(buffer), 0); + if (result < descsize) + { + if (result == -1) + perror("recv(NSTAT_GET_SRC_DESC_RSP"); + else + fprintf(stderr, "%s: recv too small, received %ld, " + "expected %u\n", __func__, result, descsize); + return -1; + } + + if (drsp->hdr.type != NSTAT_MSG_TYPE_SRC_DESC) + { + fprintf(stderr, "%s: received wrong message type, received %u " + "expected %u\n", __func__, drsp->hdr.type, + NSTAT_MSG_TYPE_SRC_DESC); + return -1; + } + + if (drsp->srcref != srcref) + { + fprintf(stderr, "%s: received message for wrong source, " + "received 0x%llx expected 0x%llx\n", + __func__, drsp->srcref, srcref); + return -1; + } + + bcopy(drsp->data, ifdesc, sizeof(*ifdesc)); + return 0; +} + +static void +print_wifi_status(nstat_ifnet_desc_wifi_status *status) +{ + int tmp; +#define val(x, f) \ + ((status->valid_bitmask & NSTAT_IFNET_DESC_WIFI_ ## f ## _VALID) ?\ + status->x : -1) +#define parg(n, un) #n, val(n, un) +#define pretxtl(n, un) \ + (((tmp = val(n, un)) == -1) ? "(not valid)" : \ + ((tmp == NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_NONE) ? "(none)" : \ + ((tmp == NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_LOW) ? "(low)" : \ + ((tmp == NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_MEDIUM) ? "(medium)" : \ + ((tmp == NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_HIGH) ? "(high)" : \ + "(?)"))))) + + printf("\nwifi status:\n"); + printf( + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t\t%d%s\n" + "\t%s:\t\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t\t%d\n", + parg(link_quality_metric, LINK_QUALITY_METRIC), + parg(ul_effective_bandwidth, UL_EFFECTIVE_BANDWIDTH), + parg(ul_max_bandwidth, UL_MAX_BANDWIDTH), + parg(ul_min_latency, UL_MIN_LATENCY), + parg(ul_effective_latency, UL_EFFECTIVE_LATENCY), + parg(ul_max_latency, UL_MAX_LATENCY), + parg(ul_retxt_level, UL_RETXT_LEVEL), + pretxtl(ul_retxt_level, UL_RETXT_LEVEL), + parg(ul_bytes_lost, UL_BYTES_LOST), + parg(ul_error_rate, UL_ERROR_RATE), + parg(dl_effective_bandwidth, DL_EFFECTIVE_BANDWIDTH), + parg(dl_max_bandwidth, DL_MAX_BANDWIDTH), + parg(dl_min_latency, DL_MIN_LATENCY), + parg(dl_effective_latency, DL_EFFECTIVE_LATENCY), + parg(dl_max_latency, DL_MAX_LATENCY), + parg(dl_error_rate, DL_ERROR_RATE), + parg(config_frequency, CONFIG_FREQUENCY), + parg(config_multicast_rate, CONFIG_MULTICAST_RATE), + parg(scan_count, CONFIG_SCAN_COUNT), + parg(scan_duration, CONFIG_SCAN_DURATION) + ); +#undef pretxtl +#undef parg +#undef val +} + +static void +print_cellular_status(nstat_ifnet_desc_cellular_status *status) +{ + int tmp, tmp_mss; +#define val(x, f) \ + ((status->valid_bitmask & NSTAT_IFNET_DESC_CELL_ ## f ## _VALID) ?\ + status->x : -1) +#define parg(n, un) #n, val(n, un) +#define pretxtl(n, un) \ + (((tmp = val(n, un)) == -1) ? "(not valid)" : \ + ((tmp == NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_NONE) ? "(none)" : \ + ((tmp == NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_LOW) ? "(low)" : \ + ((tmp == NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_MEDIUM) ? "(medium)" : \ + ((tmp == NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_HIGH) ? "(high)" : \ + "(?)"))))) +#define pretxtm(n, un) \ + (((tmp_mss = val(n,un)) == -1) ? "(not valid)" : \ + ((tmp_mss == NSTAT_IFNET_DESC_MSS_RECOMMENDED_NONE) ? "(none)" : \ + ((tmp_mss == NSTAT_IFNET_DESC_MSS_RECOMMENDED_MEDIUM) ? "(medium)" : \ + ((tmp_mss == NSTAT_IFNET_DESC_MSS_RECOMMENDED_LOW) ? "(low)" : \ + "(?)")))) + + printf("\ncellular status:\n"); + printf( + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t\t%d\n" + "\t%s:\t\t%d%s\n" + "\t%s:\t\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d\n" + "\t%s:\t%d %s\n", + parg(link_quality_metric, LINK_QUALITY_METRIC), + parg(ul_effective_bandwidth, UL_EFFECTIVE_BANDWIDTH), + parg(ul_max_bandwidth, UL_MAX_BANDWIDTH), + parg(ul_min_latency, UL_MIN_LATENCY), + parg(ul_effective_latency, UL_EFFECTIVE_LATENCY), + parg(ul_max_latency, UL_MAX_LATENCY), + parg(ul_retxt_level, UL_RETXT_LEVEL), + pretxtl(ul_retxt_level, UL_RETXT_LEVEL), + parg(ul_bytes_lost, UL_BYTES_LOST), + parg(ul_min_queue_size, UL_MIN_QUEUE_SIZE), + parg(ul_avg_queue_size, UL_AVG_QUEUE_SIZE), + parg(ul_max_queue_size, UL_MAX_QUEUE_SIZE), + parg(dl_effective_bandwidth, DL_EFFECTIVE_BANDWIDTH), + parg(dl_max_bandwidth, DL_MAX_BANDWIDTH), + parg(config_inactivity_time, CONFIG_INACTIVITY_TIME), + parg(config_backoff_time, CONFIG_BACKOFF_TIME), + parg(mss_recommended, MSS_RECOMMENDED), + pretxtm(mss_recommended, MSS_RECOMMENDED) + ); +#undef pretxtl +#undef parg +#undef val +} + +static int +get_interface_state(int fd, const char *ifname, struct ifreq *ifr) +{ + bzero(ifr, sizeof(*ifr)); + snprintf(ifr->ifr_name, sizeof(ifr->ifr_name), "%s", ifname); + + if (ioctl(fd, SIOCGIFINTERFACESTATE, ifr) == -1) { + perror("ioctl(CTLIOCGINFO)"); + return -1; + } + return 0; +} + +static void +print_interface_state(struct ifreq *ifr) +{ + int lqm, rrc, avail; + + printf("\ninterface state:\n"); + + if (ifr->ifr_interface_state.valid_bitmask & + IF_INTERFACE_STATE_LQM_STATE_VALID) { + printf("\tlqm: "); + lqm = ifr->ifr_interface_state.lqm_state; + if (lqm == IFNET_LQM_THRESH_GOOD) + printf("\"good\""); + else if (lqm == IFNET_LQM_THRESH_POOR) + printf("\"poor\""); + else if (lqm == IFNET_LQM_THRESH_BAD) + printf("\"bad\""); + else if (lqm == IFNET_LQM_THRESH_UNKNOWN) + printf("\"unknown\""); + else if (lqm == IFNET_LQM_THRESH_OFF) + printf("\"off\""); + else + printf("invalid(%d)", lqm); + } + + if (ifr->ifr_interface_state.valid_bitmask & + IF_INTERFACE_STATE_RRC_STATE_VALID) { + printf("\trrc: "); + rrc = ifr->ifr_interface_state.rrc_state; + if (rrc == IF_INTERFACE_STATE_RRC_STATE_CONNECTED) + printf("\"connected\""); + else if (rrc == IF_INTERFACE_STATE_RRC_STATE_IDLE) + printf("\"idle\""); + else + printf("\"invalid(%d)\"", rrc); + } + + if (ifr->ifr_interface_state.valid_bitmask & + IF_INTERFACE_STATE_INTERFACE_AVAILABILITY_VALID) { + printf("\tavailability: "); + avail = ifr->ifr_interface_state.interface_availability; + if (avail == IF_INTERFACE_STATE_INTERFACE_AVAILABLE) + printf("\"true\""); + else if (rrc == IF_INTERFACE_STATE_INTERFACE_UNAVAILABLE) + printf("\"false\""); + else + printf("\"invalid(%d)\"", avail); + } +} + +void +print_link_status(const char *ifname) +{ + unsigned int ifindex; + struct itimerval timer_interval; + sigset_t sigset, oldsigset; + struct nstat_ifnet_descriptor ifdesc; + nstat_ifnet_add_param ifparam; + nstat_src_ref_t sref = 0; + struct ifreq ifr; + int ctl_fd; + + ifindex = if_nametoindex(ifname); + if (ifindex == 0) { + fprintf(stderr, "Invalid interface name\n"); + return; + } + + if ((ctl_fd = create_control_socket(NET_STAT_CONTROL_NAME)) < 0) + return; + + ifparam.ifindex = ifindex; + ifparam.threshold = UINT64_MAX; + if (add_nstat_src(ctl_fd, &ifparam, &sref)) + goto done; +loop: + if (interval > 0) { + /* create a timer that fires repeatedly every interval + * seconds */ + timer_interval.it_value.tv_sec = interval; + timer_interval.it_value.tv_usec = 0; + timer_interval.it_interval.tv_sec = interval; + timer_interval.it_interval.tv_usec = 0; + (void) signal(SIGALRM, catchalarm); + signalled = NO; + (void) setitimer(ITIMER_REAL, &timer_interval, NULL); + } + + /* get interface state */ + if (get_interface_state(ctl_fd, ifname, &ifr)) + goto done; + + /* get ntstat interface description */ + if (get_src_decsription(ctl_fd, sref, &ifdesc)) + goto done; + + /* print time */ + printf("\n%s: ", ifname); + print_time(); + + /* print interface state */ + print_interface_state(&ifr); + + /* print ntsat interface link status */ + if (ifdesc.link_status.link_status_type == + NSTAT_IFNET_DESC_LINK_STATUS_TYPE_CELLULAR) + print_cellular_status(&ifdesc.link_status.u.cellular); + else if (ifdesc.link_status.link_status_type == + NSTAT_IFNET_DESC_LINK_STATUS_TYPE_WIFI) + print_wifi_status(&ifdesc.link_status.u.wifi); + + fflush(stdout); + + if (interval > 0) { + sigemptyset(&sigset); + sigaddset(&sigset, SIGALRM); + (void) sigprocmask(SIG_BLOCK, &sigset, &oldsigset); + if (!signalled) { + sigemptyset(&sigset); + sigsuspend(&sigset); + } + (void) sigprocmask(SIG_SETMASK, &oldsigset, NULL); + + signalled = NO; + goto loop; + } +done: + if (sref) + rem_nstat_src(ctl_fd, sref); + close(ctl_fd); +} |