Munin contributed plugins

#include <string.h>

#include <stdio.h>

#include <sys/types.h>

#include <dirent.h>

#include <ctype.h>

#include "common.h"

int processes(int argc, char **argv) {

        DIR *d;

        struct dirent *e;

        char *s;

        int n=0;

        if(argc > 1) {

                if(!strcmp(argv[1], "config")) {

                        puts("graph_title Number of Processes\n"

                                "graph_args --base 1000 -l 0 \n"

                                "graph_vlabel number of processes\n"

                                "graph_category processes\n"

                                "graph_info This graph shows the number of processes in the system.\n"

                                "processes.label processes\n"

                                "processes.draw LINE2\n"

                                "processes.info The current number of processes.");

                        return 0;

                }

                if(!strcmp(argv[1], "autoconf"))

                        return writeyes();

        }

        if(!(d = opendir("/proc"))) {

                fputs("cannot open /proc\n", stderr);

                return 1;

        }

        while((e = readdir(d))) {

                for(s=e->d_name;*s;++s)

                        if(!isdigit(*s))

                                break;

                if(!*s)

                        ++n;

        }

        closedir(d);

        printf("processes.value %d\n", n);

        return 0;

}