memcached_delete_bug.c

#include <stdio.h>
#include <libmemcached/memcached.h>

/**
 * Test to show that the expiry time of memcached_delete does nothing at all.
 * gcc -o memcached_delete_test memcached_delete_test.c -lmemcached
 */

int main(int argc, char **argv) {
    memcached_st *mc;
    memcached_server_st *mc_svr;
    memcached_return get_rc;
    size_t valsz;
    uint32_t flags;
    char *val;

    mc = memcached_create(NULL);
    mc_svr = memcached_servers_parse("127.0.0.1");
    memcached_server_push(mc, mc_svr);

    printf("set = %d\n", memcached_set(mc, "foo", 3, "bar", 3, 0, 0));
    val = memcached_get(mc, "foo", 3, &valsz, &flags, &get_rc);
    if (get_rc == MEMCACHED_SUCCESS) {
        printf("get (%u bytes, flags = %u) = %s\n", (unsigned int)valsz, flags, val);
    } else {
        printf("get failed, rc = %d\n", get_rc);
    }
    // an hour's expiration!
    printf("delete = %d\n", memcached_delete(mc, "foo", 3, 3600)); 
    // the key should still exist, amirite
    val = memcached_get(mc, "foo", 3, &valsz, &flags, &get_rc);
    if (get_rc == MEMCACHED_SUCCESS) {
        printf("get (%u bytes, flags = %u) = %s\n", (unsigned int)valsz, flags, val);
    } else {
        printf("get failed, rc = %d\n", get_rc);
        if (get_rc == MEMCACHED_NOTFOUND) {
            printf("  -> not found\n");
        }
    }

    memcached_free(mc);
    return 0;
}