unimem.cc

#include "uniconfroot.h"
#include <unistd.h>

class Report
{
public:
    const char *before;
    
    void ps()
    {
        system(WvString("ps -o pid,sz,vsz,rss,trs,drs,dsiz,cmd %s",
                        getpid()));
    }
    
    Report()
    {
        before = (const char *)sbrk(0);
        ps();
    }
    
    void go()
    {
        const char *after = (const char *)sbrk(0);
        ps();
        printf("%p, %p, %ld\n", before, after, (long)(after-before));
    }
};

int main()
{
    printf("uniconfvaluetree: %d bytes\n", sizeof(UniConfValueTree));
    printf("wvstring: %d bytes\n", sizeof(WvString));
    Report r;

    int mode = 2;
    switch (mode)
    {
    case -1:
        {
            UniConfRoot uni;
            r.go();
            uni.mount("ini:/tmp/dns.ini2", true);
            r.go();
            system("touch /tmp/dns.ini2");
            uni.refresh();
            r.go();
            system("touch /tmp/dns.ini2");
            uni.refresh();
            r.go();
            for (int x = 0; x < 1e8; x++)
                ;
            system("touch /tmp/dns.ini2");
            uni.refresh();
            r.go();
        }
        break;
    case 0:
        {
            UniConfRoot uni("temp:");
            WvString s("this is a big long line with a really big "
                       "long string involved in it somehow");
            for (int i = 0; i < 18000; i++)
                uni.xset(WvString("blah/pah/%s", i), s.edit());
            uni.commit();
            r.go();
            uni.remove();
            uni.commit();
            r.go();
        }
        break;
    case 1:
        {
            WvStringList l;
            WvString s("this is a big long line with a really big "
                       "long string involved in it somehow");
            WvString a[18000];
            for (int i = 0; i < 18000; i++)
                l.append(&(a[i] = s), false);
            r.go();
        }
        break;
    case 2:
        {
            UniConfRoot uni("unix:/tmp/foos");
            r.go();
            {
                UniConf::RecursiveIter i(uni);
                r.go();
            }
            r.go();
        }
    }

    r.go();
    return 0;
}

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