1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger/* 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * ifstat.c handy utility to read net interface statistics 3aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 4aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * This program is free software; you can redistribute it and/or 5aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * modify it under the terms of the GNU General Public License 6aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * as published by the Free Software Foundation; either version 7aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 2 of the License, or (at your option) any later version. 8aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 9aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger */ 11aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 12aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <errno.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <time.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/time.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fnmatch.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/file.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/un.h> 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/poll.h> 25aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/wait.h> 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/stat.h> 27aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <signal.h> 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <math.h> 299f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger#include <getopt.h> 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <libnetlink.h> 32daf7bd5c73aa3b7c91d83abf500c8749bec6e6d5Stephen Hemminger#include <linux/if.h> 33daf7bd5c73aa3b7c91d83abf500c8749bec6e6d5Stephen Hemminger#include <linux/if_link.h> 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <SNAPSHOT.h> 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint dump_zeros = 0; 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint reset_history = 0; 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint ignore_history = 0; 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint no_output = 0; 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint no_update = 0; 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint scan_interval = 0; 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint time_constant = 0; 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint show_errors = 0; 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerdouble W; 46aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerchar **patterns; 47aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint npatterns; 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerchar info_source[128]; 50aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint source_mismatch; 51aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 52a571587d0b27a2c1492019c3abeb6fb0c0e606ceEric Dumazet#define MAXS (sizeof(struct rtnl_link_stats)/sizeof(__u32)) 53aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct ifstat_ent 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *next; 57aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *name; 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int ifindex; 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long long val[MAXS]; 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger double rate[MAXS]; 61a571587d0b27a2c1492019c3abeb6fb0c0e606ceEric Dumazet __u32 ival[MAXS]; 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct ifstat_ent *kern_db; 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct ifstat_ent *hist_db; 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 6750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemmingerstatic int match(const char *id) 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (npatterns == 0) 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 74aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<npatterns; i++) { 75aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fnmatch(patterns[i], id, 0)) 76aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 77aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 78aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 79aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 81ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemmingerstatic int get_nlmsg(const struct sockaddr_nl *who, 8250772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger struct nlmsghdr *m, void *arg) 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifinfomsg *ifi = NLMSG_DATA(m); 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct rtattr * tb[IFLA_MAX+1]; 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len = m->nlmsg_len; 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *n; 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 89aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (m->nlmsg_type != RTM_NEWLINK) 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len -= NLMSG_LENGTH(sizeof(*ifi)); 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len < 0) 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!(ifi->ifi_flags&IFF_UP)) 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifi), len); 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (tb[IFLA_IFNAME] == NULL || tb[IFLA_STATS] == NULL) 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n = malloc(sizeof(*n)); 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!n) 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 107aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->ifindex = ifi->ifi_index; 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = strdup(RTA_DATA(tb[IFLA_IFNAME])); 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(&n->ival, RTA_DATA(tb[IFLA_STATS]), sizeof(n->ival)); 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&n->rate, 0, sizeof(n->rate)); 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<MAXS; i++) 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->val[i] = n->ival[i]; 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = kern_db; 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = n; 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 117aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 118aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid load_info(void) 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *db, *n; 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct rtnl_handle rth; 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 123aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (rtnl_open(&rth, 0) < 0) 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (rtnl_wilddump_request(&rth, AF_INET, RTM_GETLINK) < 0) { 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("Cannot send dump request"); 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 129aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 130aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 131cd70f3f522e04b4d2fa80ae10292379bf223a53bStephen Hemminger if (rtnl_dump_filter(&rth, get_nlmsg, NULL) < 0) { 132aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Dump terminated\n"); 133aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 134aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 135aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger rtnl_close(&rth); 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger db = kern_db; 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = NULL; 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (db) { 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n = db; 143aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger db = db->next; 144aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = kern_db; 145aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = n; 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 147aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid load_raw_table(FILE *fp) 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[4096]; 152aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *db = NULL; 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *n; 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 155aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp) != NULL) { 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *p; 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *next; 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (buf[0] == '#') { 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger buf[strlen(buf)-1] = 0; 162aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (info_source[0] && strcmp(info_source, buf+1)) 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger source_mismatch = 1; 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strncpy(info_source, buf+1, sizeof(info_source)-1); 165aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 166aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((n = malloc(sizeof(*n))) == NULL) 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!(p = strchr(buf, ' '))) 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *p++ = 0; 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (sscanf(buf, "%d", &n->ifindex) != 1) 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!(next = strchr(p, ' '))) 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *next++ = 0; 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = strdup(p); 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger p = next; 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<MAXS; i++) { 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned rate; 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!(next = strchr(p, ' '))) 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *next++ = 0; 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (sscanf(p, "%llu", n->val+i) != 1) 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 190a571587d0b27a2c1492019c3abeb6fb0c0e606ceEric Dumazet n->ival[i] = (__u32)n->val[i]; 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger p = next; 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!(next = strchr(p, ' '))) 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *next++ = 0; 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (sscanf(p, "%u", &rate) != 1) 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abort(); 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->rate[i] = rate; 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger p = next; 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = db; 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger db = n; 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 203aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (db) { 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n = db; 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger db = db->next; 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = kern_db; 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = n; 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid dump_raw_db(FILE *fp, int to_hist) 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *n, *h; 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = hist_db; 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "#%s\n", info_source); 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n=kern_db; n; n=n->next) { 219aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long long *vals = n->val; 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger double *rates = n->rate; 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!match(n->name)) { 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *h1; 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!to_hist) 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (h1 = h; h1; h1 = h1->next) { 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (h1->ifindex == n->ifindex) { 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger vals = h1->val; 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger rates = h1->rate; 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = h1->next; 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%d %s ", n->ifindex, n->name); 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<MAXS; i++) 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%llu %u ", vals[i], (unsigned)rates[i]); 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2429f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger/* use communication definitions of meg/kilo etc */ 2439f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemmingerstatic const unsigned long long giga = 1000000000ull; 244bb6a21a4fcaf400ca4766eea6064f2df30393d1eosdl.net!shemmingerstatic const unsigned long long mega = 1000000; 245bb6a21a4fcaf400ca4766eea6064f2df30393d1eosdl.net!shemmingerstatic const unsigned long long kilo = 1000; 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid format_rate(FILE *fp, unsigned long long *vals, double *rates, int i) 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char temp[64]; 2509f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger if (vals[i] > giga) 2519f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger fprintf(fp, "%7lluM ", vals[i]/mega); 2529f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger else if (vals[i] > mega) 2539f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger fprintf(fp, "%7lluK ", vals[i]/kilo); 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8llu ", vals[i]); 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2579f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger if (rates[i] > mega) { 2589f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger sprintf(temp, "%uM", (unsigned)(rates[i]/mega)); 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-6s ", temp); 2609f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger } else if (rates[i] > kilo) { 2619f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger sprintf(temp, "%uK", (unsigned)(rates[i]/kilo)); 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-6s ", temp); 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-6u ", (unsigned)rates[i]); 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid format_pair(FILE *fp, unsigned long long *vals, int i, int k) 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char temp[64]; 2709f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger if (vals[i] > giga) 2719f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger fprintf(fp, "%7lluM ", vals[i]/mega); 2729f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger else if (vals[i] > mega) 2739f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger fprintf(fp, "%7lluK ", vals[i]/kilo); 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8llu ", vals[i]); 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2779f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger if (vals[k] > giga) { 2789f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger sprintf(temp, "%uM", (unsigned)(vals[k]/mega)); 279aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-6s ", temp); 2809f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger } else if (vals[k] > mega) { 2819f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger sprintf(temp, "%uK", (unsigned)(vals[k]/kilo)); 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-6s ", temp); 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-6u ", (unsigned)vals[k]); 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 286aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid print_head(FILE *fp) 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "#%s\n", info_source); 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", "Interface"); 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Pkts", "Rate"); 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Pkts", "Rate"); 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Data", "Rate"); 295aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s\n","TX Data", "Rate"); 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 297aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!show_errors) { 298aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 299aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Errs", "Drop"); 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Errs", "Drop"); 301aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Over", "Rate"); 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s\n","TX Coll", "Rate"); 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 304aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 305aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Errs", "Rate"); 306aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Drop", "Rate"); 307aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Over", "Rate"); 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s\n","RX Leng", "Rate"); 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Crc", "Rate"); 312aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Frm", "Rate"); 313aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "RX Fifo", "Rate"); 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s\n","RX Miss", "Rate"); 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Errs", "Rate"); 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Drop", "Rate"); 319aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Coll", "Rate"); 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s\n","TX Carr", "Rate"); 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 322aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 323aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Abrt", "Rate"); 324aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Fifo", "Rate"); 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s ", "TX Hear", "Rate"); 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%8s/%-6s\n","TX Wind", "Rate"); 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid print_one_if(FILE *fp, struct ifstat_ent *n, unsigned long long *vals) 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", n->name); 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<4; i++) 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, i); 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!show_errors) { 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_pair(fp, vals, 4, 6); 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_pair(fp, vals, 5, 7); 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 11); 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 9); 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 4); 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 6); 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 11); 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 10); 351aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 352aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 353aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 354aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 12); 355aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 13); 356aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 14); 357aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 15); 358aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 359aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 360aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 361aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 5); 362aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 7); 363aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 9); 364aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 17); 365aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 366aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 367aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%-15s ", ""); 368aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 16); 369aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 18); 370aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 19); 371aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_rate(fp, vals, n->rate, 20); 372aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 373aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 374aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 375aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 376aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 377aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid dump_kern_db(FILE *fp) 378aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 379dc484542a9d8d91db006af8a73d9ecddfef8f883Stephen Hemminger struct ifstat_ent *n; 380aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 381aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_head(fp); 382aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 383aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n=kern_db; n; n=n->next) { 384aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!match(n->name)) 385aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 386aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_one_if(fp, n, n->val); 387aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 388aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 389aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 390aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 391aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid dump_incr_db(FILE *fp) 392aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 393aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *n, *h; 394aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = hist_db; 395aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 396aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_head(fp); 397aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 398aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n=kern_db; n; n=n->next) { 399aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 400aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long long vals[MAXS]; 401aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *h1; 402aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 403aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(vals, n->val, sizeof(vals)); 404aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 405aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (h1 = h; h1; h1 = h1->next) { 406aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (h1->ifindex == n->ifindex) { 407aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i = 0; i < MAXS; i++) 408aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger vals[i] -= h1->val[i]; 409aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = h1->next; 410aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 411aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 412aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 413aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!match(n->name)) 414aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 415aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_one_if(fp, n, vals); 416aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 417aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 418aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 419aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 420aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int children; 421aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 422aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid sigchild(int signo) 423aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 424aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 425aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 426aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid update_db(int interval) 427aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 428aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *n, *h; 429aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 430aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n = kern_db; 431aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = NULL; 432aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 433aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger load_info(); 434aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 435aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = kern_db; 436aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = n; 437aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 438aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n = kern_db; n; n = n->next) { 439aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *h1; 440aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (h1 = h; h1; h1 = h1->next) { 441aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (h1->ifindex == n->ifindex) { 442aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 443aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i = 0; i < MAXS; i++) { 444aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((long)(h1->ival[i] - n->ival[i]) < 0) { 445ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger memset(n->ival, 0, sizeof(n->ival)); 446aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 447aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 448aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 449ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger for (i = 0; i < MAXS; i++) { 450aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger double sample; 451aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long incr = h1->ival[i] - n->ival[i]; 452aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->val[i] += incr; 453aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->ival[i] = h1->ival[i]; 454aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sample = (double)(incr*1000)/interval; 455aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (interval >= scan_interval) { 456aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->rate[i] += W*(sample-n->rate[i]); 457aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (interval >= 1000) { 458aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (interval >= time_constant) { 459aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->rate[i] = sample; 460aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 461aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger double w = W*(double)interval/scan_interval; 462aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->rate[i] += w*(sample-n->rate[i]); 463aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 464aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 465aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 466aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 467aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (h != h1) { 468aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifstat_ent *tmp = h; 469aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = h->next; 470aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger free(tmp->name); 471aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger free(tmp); 472aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger }; 473aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger h = h1->next; 474aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger free(h1->name); 475aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger free(h1); 476aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 477aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 478aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 479aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 480aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 481aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 482aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#define T_DIFF(a,b) (((a).tv_sec-(b).tv_sec)*1000 + ((a).tv_usec-(b).tv_usec)/1000) 483aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 484aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 485aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid server_loop(int fd) 486aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 487737f15f6da0ed7512220f6fa5244a39777de4e0dshemminger struct timeval snaptime = { 0 }; 488aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct pollfd p; 489aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger p.fd = fd; 490aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger p.events = p.revents = POLLIN; 491aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 492aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sprintf(info_source, "%d.%lu sampling_interval=%d time_const=%d", 493aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger getpid(), (unsigned long)random(), scan_interval/1000, time_constant/1000); 494aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 495aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger load_info(); 496aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 497aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (;;) { 498aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int status; 499aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int tdiff; 500aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct timeval now; 501737f15f6da0ed7512220f6fa5244a39777de4e0dshemminger 502aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger gettimeofday(&now, NULL); 503aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger tdiff = T_DIFF(now, snaptime); 504aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (tdiff >= scan_interval) { 505aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger update_db(tdiff); 506aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snaptime = now; 507aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger tdiff = 0; 508aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 509737f15f6da0ed7512220f6fa5244a39777de4e0dshemminger 510aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (poll(&p, 1, tdiff + scan_interval) > 0 511aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger && (p.revents&POLLIN)) { 512aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int clnt = accept(fd, NULL, NULL); 513aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (clnt >= 0) { 514aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger pid_t pid; 515aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (children >= 5) { 516aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(clnt); 517aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if ((pid = fork()) != 0) { 518aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (pid>0) 519aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger children++; 520aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(clnt); 521aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 522aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fdopen(clnt, "w"); 523aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fp) { 524aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (tdiff > 0) 525aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger update_db(tdiff); 526aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dump_raw_db(fp, 0); 527aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 528aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(0); 529aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 530aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 531aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 532aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (children && waitpid(-1, &status, WNOHANG) > 0) 533aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger children--; 534aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 535aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 536aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 537aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint verify_forging(int fd) 538aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 539aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ucred cred; 540737f15f6da0ed7512220f6fa5244a39777de4e0dshemminger socklen_t olen = sizeof(cred); 541737f15f6da0ed7512220f6fa5244a39777de4e0dshemminger 542aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, (void*)&cred, &olen) || 543aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger olen < sizeof(cred)) 544aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 545aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cred.uid == getuid() || cred.uid == 0) 546aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 547aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 548aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 549aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 550d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemmingerstatic void usage(void) __attribute__((noreturn)); 551d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger 552aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) 553aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 554d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger fprintf(stderr, 555d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger"Usage: ifstat [OPTION] [ PATTERN [ PATTERN ] ]\n" 556d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -h, --help this message\n" 557d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -a, --ignore ignore history\n" 558d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -d, --scan=SECS sample every statistics every SECS\n" 559d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -e, --errors show errors\n" 560d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -n, --nooutput do history only\n" 561d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -r, --reset reset history\n" 562d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -s, --noupdate don;t update history\n" 563d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -t, --interval=SECS report average over the last SECS\n" 564d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -V, --version output version information\n" 565d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger" -z, --zeros show entries with zero activity\n"); 566d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger 567d7e0809ee622e7178e1524c5810eca2be8f08475osdl.org!shemminger exit(-1); 568aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 569aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5709f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemmingerstatic const struct option longopts[] = { 5719f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "help", 0, 0, 'h' }, 5729f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "ignore", 0, 0, 'a' }, 5739f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "scan", 1, 0, 'd'}, 5749f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "errors", 0, 0, 'e' }, 5759f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "nooutput", 0, 0, 'n' }, 5769f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "reset", 0, 0, 'r' }, 5779f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "noupdate", 0, 0, 's' }, 5789f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "interval", 1, 0, 't' }, 5799f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "version", 0, 0, 'V' }, 5809f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { "zeros", 0, 0, 'z' }, 5819f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger { 0 } 5829f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger}; 583aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 584aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint main(int argc, char *argv[]) 585aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 586aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char hist_name[128]; 587aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct sockaddr_un sun; 588aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *hist_fp = NULL; 589aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int ch; 590aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 591aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5929f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger while ((ch = getopt_long(argc, argv, "hvVzrnasd:t:eK", 5939f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger longopts, NULL)) != EOF) { 594aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(ch) { 595aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'z': 596aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dump_zeros = 1; 597aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 598aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'r': 599aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger reset_history = 1; 600aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 601aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'a': 602aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ignore_history = 1; 603aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 604aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 's': 605aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger no_update = 1; 606aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 607aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'n': 608aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger no_output = 1; 609aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 610aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'e': 611aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger show_errors = 1; 612aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 613aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'd': 6149f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger scan_interval = atoi(optarg) * 1000; 6159f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger if (scan_interval <= 0) { 6169f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger fprintf(stderr, "ifstat: invalid scan interval\n"); 6179f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger exit(-1); 6189f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger } 619aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 620aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 't': 6219f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger time_constant = atoi(optarg); 6229f3ea25096ed67720fbe13644ce0d010c3f38df0osdl.org!shemminger if (time_constant <= 0) { 623aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "ifstat: invalid time constant divisor\n"); 624aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 625aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 626aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 627aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'v': 628aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'V': 629aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger printf("ifstat utility, iproute2-ss%s\n", SNAPSHOT); 630aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(0); 631aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case 'h': 632aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case '?': 633aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 634aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 635aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 636aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 637aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 638aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argc -= optind; 639aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argv += optind; 640aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 641aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sun.sun_family = AF_UNIX; 642aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sun.sun_path[0] = 0; 643aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sprintf(sun.sun_path+1, "ifstat%d", getuid()); 644aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 645aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (scan_interval > 0) { 646aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (time_constant == 0) 647aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger time_constant = 60; 648aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger time_constant *= 1000; 649aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger W = 1 - 1/exp(log(10)*(double)scan_interval/time_constant); 650aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) { 651aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: socket"); 652aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 653aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 654aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bind(fd, (struct sockaddr*)&sun, 2+1+strlen(sun.sun_path+1)) < 0) { 655aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: bind"); 656aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 657aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 658aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (listen(fd, 5) < 0) { 659aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: listen"); 660aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 661aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 662a7a9ddbb675b7fbd184c3ab40817265b0b207a23Mike Frysinger if (daemon(0, 0)) { 663a7a9ddbb675b7fbd184c3ab40817265b0b207a23Mike Frysinger perror("ifstat: daemon"); 664a7a9ddbb675b7fbd184c3ab40817265b0b207a23Mike Frysinger exit(-1); 665a7a9ddbb675b7fbd184c3ab40817265b0b207a23Mike Frysinger } 666aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger signal(SIGPIPE, SIG_IGN); 667aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger signal(SIGCHLD, sigchild); 668aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger server_loop(fd); 669aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(0); 670aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 671aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 672aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger patterns = argv; 673aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger npatterns = argc; 674aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 675aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("IFSTAT_HISTORY")) 676daf7bd5c73aa3b7c91d83abf500c8749bec6e6d5Stephen Hemminger snprintf(hist_name, sizeof(hist_name), 677daf7bd5c73aa3b7c91d83abf500c8749bec6e6d5Stephen Hemminger "%s", getenv("IFSTAT_HISTORY")); 678aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 679daf7bd5c73aa3b7c91d83abf500c8749bec6e6d5Stephen Hemminger snprintf(hist_name, sizeof(hist_name), 680daf7bd5c73aa3b7c91d83abf500c8749bec6e6d5Stephen Hemminger "%s/.ifstat.u%d", P_tmpdir, getuid()); 681aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 682aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (reset_history) 683aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unlink(hist_name); 684aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 685aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ignore_history || !no_update) { 686aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct stat stb; 687aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 688aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = open(hist_name, O_RDWR|O_CREAT|O_NOFOLLOW, 0600); 689aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) { 690aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: open history file"); 691aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 692aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 693aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((hist_fp = fdopen(fd, "r+")) == NULL) { 694aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: fdopen history file"); 695aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 696aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 697aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (flock(fileno(hist_fp), LOCK_EX)) { 698aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: flock history file"); 699aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 700aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 701aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fstat(fileno(hist_fp), &stb) != 0) { 702aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ifstat: fstat history file"); 703aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 704aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 705aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (stb.st_nlink != 1 || stb.st_uid != getuid()) { 706aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "ifstat: something is so wrong with history file, that I prefer not to proceed.\n"); 707aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 708aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 709aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ignore_history) { 710aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *tfp; 7119a230771c0a0b27e2f26bbbc29a93ad1ad591ce9Dan McGee long uptime = -1; 712aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((tfp = fopen("/proc/uptime", "r")) != NULL) { 713aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fscanf(tfp, "%ld", &uptime) != 1) 714aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger uptime = -1; 715aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(tfp); 716aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 717aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (uptime >= 0 && time(NULL) >= stb.st_mtime+uptime) { 718aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "ifstat: history is aged out, resetting\n"); 719aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ftruncate(fileno(hist_fp), 0); 720aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 721aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 722aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 723aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger load_raw_table(hist_fp); 724aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 725aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hist_db = kern_db; 726aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger kern_db = NULL; 727aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 728aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 729aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) >= 0 && 730aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger (connect(fd, (struct sockaddr*)&sun, 2+1+strlen(sun.sun_path+1)) == 0 731aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger || (strcpy(sun.sun_path+1, "ifstat0"), 732aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger connect(fd, (struct sockaddr*)&sun, 2+1+strlen(sun.sun_path+1)) == 0)) 733aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger && verify_forging(fd) == 0) { 734aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *sfp = fdopen(fd, "r"); 735aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger load_raw_table(sfp); 736aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (hist_db && source_mismatch) { 737aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "ifstat: history is stale, ignoring it.\n"); 738aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hist_db = NULL; 739aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 740aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(sfp); 741aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 742aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 743aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 744aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (hist_db && info_source[0] && strcmp(info_source, "kernel")) { 745aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "ifstat: history is stale, ignoring it.\n"); 746aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hist_db = NULL; 747aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger info_source[0] = 0; 748aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 749aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger load_info(); 750aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (info_source[0] == 0) 751aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcpy(info_source, "kernel"); 752aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 753aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 754aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!no_output) { 755aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ignore_history || hist_db == NULL) 756aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dump_kern_db(stdout); 757aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 758aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dump_incr_db(stdout); 759aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 760aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!no_update) { 761aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ftruncate(fileno(hist_fp), 0); 762aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger rewind(hist_fp); 763aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dump_raw_db(hist_fp, 1); 764aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fflush(hist_fp); 765aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 766aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(0); 767aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 768