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