mirror of
https://github.com/munin-monitoring/contrib.git
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60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <ctype.h>
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#include "common.h"
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int fw_packets(int argc, char **argv) {
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FILE *f;
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char buff[1024], *s;
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if(argc > 1) {
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if(!strcmp(argv[1], "config")) {
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puts("graph_title Firewall Throughput\n"
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"graph_args --base 1000 -l 0\n"
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"graph_vlabel Packets/${graph_period}\n"
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"graph_category network\n"
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"received.label Received\n"
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"received.draw AREA\n"
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"received.type DERIVE\n"
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"received.min 0\n"
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"forwarded.label Forwarded\n"
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"forwarded.draw LINE2\n"
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"forwarded.type DERIVE\n"
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"forwarded.min 0");
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return 0;
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}
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if(!strcmp(argv[1], "autoconf")) {
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if(0 == access("/proc/net/snmp", R_OK))
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return writeyes();
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else
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return writeno("/proc/net/snmp not readable");
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}
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}
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if(!(f=fopen("/proc/net/snmp", "r"))) {
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fputs("cannot open /proc/net/snmp\n", stderr);
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return 1;
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}
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while(fgets(buff, 1024, f)) {
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if(!strncmp(buff, "Ip: ", 4) && isdigit(buff[4])) {
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fclose(f);
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if(!(s = strtok(buff+4, " \t")))
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break;
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if(!(s = strtok(NULL, " \t")))
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break;
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if(!(s = strtok(NULL, " \t")))
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break;
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printf("received.value %s\n", s);
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if(!(s = strtok(NULL, " \t")))
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break;
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if(!(s = strtok(NULL, " \t")))
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break;
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if(!(s = strtok(NULL, " \t")))
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break;
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printf("forwarded.value %s\n", s);
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return 0;
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}
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}
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fclose(f);
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fputs("no ip line found in /proc/net/snmp\n", stderr);
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return 1;
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}
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