mariadb/newbrt/tests/cachetable-all-write.c

#include "includes.h"
#include "test.h"

static void
flush (CACHEFILE f __attribute__((__unused__)),
       int UU(fd),
       CACHEKEY k  __attribute__((__unused__)),
       void *v     __attribute__((__unused__)),
       void *e     __attribute__((__unused__)),
       long s      __attribute__((__unused__)),
       BOOL w      __attribute__((__unused__)),
       BOOL keep   __attribute__((__unused__)),
       BOOL c      __attribute__((__unused__))
       ) {
    /* Do nothing */
    printf("FLUSH: %d write_me %d\n", (int)k.b, w);
    if (w) {
        usleep (5*1024*1024);
    }
}

static int
fetch (CACHEFILE f        __attribute__((__unused__)),
       int UU(fd),
       CACHEKEY k         __attribute__((__unused__)),
       u_int32_t fullhash __attribute__((__unused__)),
       void **value       __attribute__((__unused__)),
       long *sizep        __attribute__((__unused__)),
       int  *dirtyp,
       void *extraargs    __attribute__((__unused__))
       ) {
    *dirtyp = 0;
    *value = NULL;
    *sizep = 8;
    return 0;
}

static int 
pe_callback (
    void *brtnode_pv __attribute__((__unused__)), 
    long bytes_to_free __attribute__((__unused__)), 
    long* bytes_freed, 
    void* extraargs __attribute__((__unused__))
    ) 
{
    *bytes_freed = 0;
    return 0;
}


static void
cachetable_test (void) {
    const int test_limit = 12;
    int r;
    CACHETABLE ct;
    r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
    char fname1[] = __FILE__ "test1.dat";
    unlink(fname1);
    CACHEFILE f1;
    r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);

    void* v1;
    void* v2;
    long s1, s2;
    r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, flush, fetch, pe_callback, NULL);
    r = toku_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, 8);
    r = toku_cachetable_get_and_pin(f1, make_blocknum(2), 2, &v2, &s2, flush, fetch, pe_callback, NULL);
    // usleep (2*1024*1024);
    //r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, flush, fetch, pe_callback, NULL);


    r = toku_cachetable_unpin(f1, make_blocknum(2), 2, CACHETABLE_CLEAN, 8);
    //r = toku_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, 8);


    r = toku_cachefile_close(&f1, 0, FALSE, ZERO_LSN); assert(r == 0 && f1 == 0);
    r = toku_cachetable_close(&ct); assert(r == 0 && ct == 0);
}

int
test_main(int argc, const char *argv[]) {
    default_parse_args(argc, argv);
    cachetable_test();
    return 0;
}