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354 lines
11 KiB
354 lines
11 KiB
/*
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KSysGuard, the KDE System Guard
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Copyright (c) 2001 Tobias Koenig <tokoe@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of version 2 of the GNU General Public
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License as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <net/if.h>
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#include <net/if_mib.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "Command.h"
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#include "ksysguardd.h"
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#include "netdev.h"
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typedef struct {
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char name[32];
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u_long recBytes;
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u_long recPacks;
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u_long recErrs;
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u_long recDrop;
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u_long recMulticast;
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u_long sentBytes;
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u_long sentPacks;
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u_long sentErrs;
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u_long sentMulticast;
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u_long sentColls;
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} NetDevInfo;
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#define MAXNETDEVS 64
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static NetDevInfo NetDevs[MAXNETDEVS];
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static NetDevInfo NetDevsOld[MAXNETDEVS];
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static int NetDevCnt = 0;
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static struct SensorModul* NetDevSM;
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static float elapsed = 0.0;
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static struct timeval old_tv;
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char **parseCommand(const char *cmd)
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{
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char *tmp_cmd = strdup(cmd);
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char *begin;
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char **retval = malloc(sizeof(char *)*2);
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begin = rindex(tmp_cmd, '/');
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*begin = '\0';
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begin++;
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retval[1] = strdup((const char *)begin); /* sensor */
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begin = rindex(tmp_cmd, '/');
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*begin = '\0';
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begin = rindex(tmp_cmd, '/');
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begin++;
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retval[0] = strdup((const char *)begin); /* interface */
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free(tmp_cmd);
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return retval;
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}
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int numActivIfaces(void)
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{
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int counter = 0;
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int name[6];
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int num_iface, i;
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size_t len;
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struct ifmibdata ifmd;
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len = sizeof(num_iface);
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sysctlbyname("net.link.generic.system.ifcount", &num_iface, &len, NULL, 0);
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for (i = 1; i < num_iface + 1; i++) {
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name[0] = CTL_NET;
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name[1] = PF_LINK;
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name[2] = NETLINK_GENERIC;
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name[3] = IFMIB_IFDATA;
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name[4] = i;
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name[5] = IFDATA_GENERAL;
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len = sizeof(ifmd);
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sysctl(name, 6, &ifmd, &len, NULL, 0);
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if (ifmd.ifmd_flags & IFF_UP)
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counter++;
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}
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return counter;
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}
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/* ------------------------------ public part --------------------------- */
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void initNetDev(struct SensorModul* sm)
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{
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int i;
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char monitor[1024];
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gettimeofday(&old_tv, (struct timezone *)0);
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NetDevSM = sm;
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updateNetDev();
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for (i = 0; i < NetDevCnt; i++) {
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/* init data */
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NetDevsOld[i] = NetDevs[i];
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/* register monitors */
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/data", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevRecBytes, printNetDevRecBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/packets", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevRecBytes, printNetDevRecBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/errors", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevRecBytes, printNetDevRecBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/drops", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevRecBytes, printNetDevRecBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/multicast", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevRecBytes, printNetDevRecBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/data", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevSentBytes, printNetDevSentBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/packets", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevSentBytes, printNetDevSentBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/errors", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevSentBytes, printNetDevSentBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/multicast", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevSentBytes, printNetDevSentBytesInfo, NetDevSM);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/collisions", NetDevs[i].name);
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registerMonitor(monitor, "integer", printNetDevSentBytes, printNetDevSentBytesInfo, NetDevSM);
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}
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}
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void exitNetDev(void)
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{
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int i;
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char monitor[1024];
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for (i = 0; i < NetDevCnt; i++) {
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/data", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/packets", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/errors", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/drops", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/receiver/multicast", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/data", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/packets", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/errors", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/multicast", NetDevs[i].name);
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removeMonitor(monitor);
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snprintf(monitor, sizeof(monitor), "network/interfaces/%s/transmitter/collisions", NetDevs[i].name);
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removeMonitor(monitor);
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}
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}
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int updateNetDev(void)
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{
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int name[6];
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int num_iface, i;
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size_t len;
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struct ifmibdata ifmd;
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struct timeval new_tv, tv;
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len = sizeof(num_iface);
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sysctlbyname("net.link.generic.system.ifcount", &num_iface, &len, NULL, 0);
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NetDevCnt = 0;
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for (i = 1; i < num_iface + 1; i++) {
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name[0] = CTL_NET;
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name[1] = PF_LINK;
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name[2] = NETLINK_GENERIC;
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name[3] = IFMIB_IFDATA;
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name[4] = i;
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name[5] = IFDATA_GENERAL;
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len = sizeof(ifmd);
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sysctl(name, 6, &ifmd, &len, NULL, 0);
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if (ifmd.ifmd_flags & IFF_UP) {
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NetDevsOld[NetDevCnt] = NetDevs[NetDevCnt];
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strlcpy(NetDevs[NetDevCnt].name, ifmd.ifmd_name, sizeof(NetDevs[NetDevCnt].name));
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NetDevs[NetDevCnt].recBytes = ifmd.ifmd_data.ifi_ibytes;
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NetDevs[NetDevCnt].recPacks = ifmd.ifmd_data.ifi_ipackets;
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NetDevs[NetDevCnt].recErrs = ifmd.ifmd_data.ifi_ierrors;
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NetDevs[NetDevCnt].recDrop = ifmd.ifmd_data.ifi_iqdrops;
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NetDevs[NetDevCnt].recMulticast = ifmd.ifmd_data.ifi_imcasts;
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NetDevs[NetDevCnt].sentBytes = ifmd.ifmd_data.ifi_obytes;
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NetDevs[NetDevCnt].sentPacks = ifmd.ifmd_data.ifi_opackets;
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NetDevs[NetDevCnt].sentErrs = ifmd.ifmd_data.ifi_oerrors;
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NetDevs[NetDevCnt].sentMulticast = ifmd.ifmd_data.ifi_omcasts;
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NetDevs[NetDevCnt].sentColls = ifmd.ifmd_data.ifi_collisions;
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NetDevCnt++;
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}
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}
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gettimeofday(&new_tv, (struct timezone *)0);
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timersub(&new_tv, &old_tv, &tv);
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elapsed = tv.tv_sec + (tv.tv_usec * 1e-6);
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old_tv = new_tv;
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return 0;
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}
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void checkNetDev(void)
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{
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if (numActivIfaces() != NetDevCnt) {
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/* interface has been added or removed
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so we do a reset */
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exitNetDev();
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initNetDev(NetDevSM);
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}
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}
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void printNetDevRecBytes(const char *cmd)
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{
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int i;
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char **retval;
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retval = parseCommand(cmd);
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if (retval == NULL)
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return;
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for (i = 0; i < NetDevCnt; i++) {
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if (!strcmp(NetDevs[i].name, retval[0])) {
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if (!strncmp(retval[1], "data", 4))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].recBytes - NetDevsOld[i].recBytes) / (1024 * elapsed)));
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if (!strncmp(retval[1], "packets", 7))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].recPacks - NetDevsOld[i].recPacks) / elapsed));
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if (!strncmp(retval[1], "errors", 6))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].recErrs - NetDevsOld[i].recErrs) / elapsed));
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if (!strncmp(retval[1], "drops", 5))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].recDrop - NetDevsOld[i].recDrop) / elapsed));
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if (!strncmp(retval[1], "multicast", 9))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].recMulticast - NetDevsOld[i].recMulticast) / elapsed));
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}
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}
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free(retval[0]);
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free(retval[1]);
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free(retval);
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fprintf(CurrentClient, "\n");
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}
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void printNetDevRecBytesInfo(const char *cmd)
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{
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char **retval;
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retval = parseCommand(cmd);
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if (retval == NULL)
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return;
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if (!strncmp(retval[1], "data", 4))
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fprintf(CurrentClient, "Received Data\t0\t0\tkBytes/s\n");
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if (!strncmp(retval[1], "packets", 7))
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fprintf(CurrentClient, "Received Packets\t0\t0\t1/s\n");
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if (!strncmp(retval[1], "errors", 6))
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fprintf(CurrentClient, "Receiver Errors\t0\t0\t1/s\n");
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if (!strncmp(retval[1], "drops", 5))
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fprintf(CurrentClient, "Receiver Drops\t0\t0\t1/s\n");
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if (!strncmp(retval[1], "multicast", 9))
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fprintf(CurrentClient, "Received Multicast Packets\t0\t0\t1/s\n");
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free(retval[0]);
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free(retval[1]);
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free(retval);
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}
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void printNetDevSentBytes(const char *cmd)
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{
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int i;
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char **retval;
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retval = parseCommand(cmd);
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if (retval == NULL)
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return;
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for (i = 0; i < NetDevCnt; i++) {
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if (!strcmp(NetDevs[i].name, retval[0])) {
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if (!strncmp(retval[1], "data", 4))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].sentBytes - NetDevsOld[i].sentBytes) / (1024 * elapsed)));
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if (!strncmp(retval[1], "packets", 7))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].sentPacks - NetDevsOld[i].sentPacks) / elapsed));
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if (!strncmp(retval[1], "errors", 6))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].sentErrs - NetDevsOld[i].sentErrs) / elapsed));
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if (!strncmp(retval[1], "multicast", 9))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].sentMulticast - NetDevsOld[i].sentMulticast) / elapsed));
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if (!strncmp(retval[1], "collisions", 10))
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fprintf(CurrentClient, "%lu", (u_long)((NetDevs[i].sentColls - NetDevsOld[i].sentColls) / elapsed));
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}
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}
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free(retval[0]);
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free(retval[1]);
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free(retval);
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fprintf(CurrentClient, "\n");
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}
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void printNetDevSentBytesInfo(const char *cmd)
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{
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char **retval;
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retval = parseCommand(cmd);
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if (retval == NULL)
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return;
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if (!strncmp(retval[1], "data", 4))
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fprintf(CurrentClient, "Sent Data\t0\t0\tkBytes/s\n");
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if (!strncmp(retval[1], "packets", 7))
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fprintf(CurrentClient, "Sent Packets\t0\t0\t1/s\n");
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if (!strncmp(retval[1], "errors", 6))
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fprintf(CurrentClient, "Transmitter Errors\t0\t0\t1/s\n");
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if (!strncmp(retval[1], "multicast", 9))
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fprintf(CurrentClient, "Sent Multicast Packets\t0\t0\t1/s\n");
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if (!strncmp(retval[1], "collisions", 10))
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fprintf(CurrentClient, "Transmitter Collisions\t0\t0\t1/s\n");
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free(retval[0]);
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free(retval[1]);
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free(retval);
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}
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