src/tests/maxsize-for-loader.cc

/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*======
This file is part of PerconaFT.


Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.

    PerconaFT is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2,
    as published by the Free Software Foundation.

    PerconaFT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.

----------------------------------------

    PerconaFT is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License, version 3,
    as published by the Free Software Foundation.

    PerconaFT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
======= */

#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."

#include "test.h"
#include "toku_pthread.h"
#include <db.h>
#include <sys/stat.h>
#include "toku_random.h"

bool fast = false;

DB_ENV *env;
enum {NUM_DBS=2};
uint32_t USE_COMPRESS=0;

bool do_check = false;
uint32_t num_rows = 1;
uint32_t which_db_to_fail = (uint32_t) -1;
uint32_t which_row_to_fail = (uint32_t) -1;
enum how_to_fail { FAIL_NONE, FAIL_KSIZE, FAIL_VSIZE } how_to_fail = FAIL_NONE;

static struct random_data random_data[NUM_DBS];
char random_buf[NUM_DBS][8];

static int put_multiple_generate(DB *dest_db,
				 DB *src_db __attribute__((__unused__)),
				 DBT_ARRAY *dest_keys, DBT_ARRAY *dest_vals,
				 const DBT *src_key, const DBT *src_val __attribute__((__unused__))) {
    toku_dbt_array_resize(dest_keys, 1);
    toku_dbt_array_resize(dest_vals, 1);
    DBT *dest_key = &dest_keys->dbts[0];
    DBT *dest_val = &dest_vals->dbts[0];

    uint32_t which = *(uint32_t*)dest_db->app_private;
    assert(src_key->size==4);
    uint32_t rownum = *(uint32_t*)src_key->data;

    uint32_t ksize, vsize;
    const uint32_t kmax=32*1024, vmax=32*1024*1024;
    if (which==which_db_to_fail && rownum==which_row_to_fail) {
	switch (how_to_fail) {
	case FAIL_NONE:  ksize=kmax;   vsize=vmax;   goto gotsize;
	case FAIL_KSIZE: ksize=kmax+1; vsize=vmax;   goto gotsize;
	case FAIL_VSIZE: ksize=kmax;   vsize=vmax+1; goto gotsize;
	}
	assert(0);
    gotsize:;
    } else {
	ksize=4; vsize=100;
    }
    assert(dest_key->flags==DB_DBT_REALLOC);
    if (dest_key->ulen < ksize) {
	dest_key->data = toku_xrealloc(dest_key->data, ksize);
	dest_key->ulen = ksize;
    }
    assert(dest_val->flags==DB_DBT_REALLOC);
    if (dest_val->ulen < vsize) {
	dest_val->data = toku_xrealloc(dest_val->data, vsize);
	dest_val->ulen = vsize;
    }
    assert(ksize>=sizeof(uint32_t));
    for (uint32_t i=0; i<ksize; i++) ((char*)dest_key->data)[i] = myrandom_r(&random_data[which]);
    for (uint32_t i=0; i<vsize; i++) ((char*)dest_val->data)[i] = myrandom_r(&random_data[which]);
    *(uint32_t*)dest_key->data = rownum;
    dest_key->size = ksize;
    dest_val->size = vsize;

    return 0;
}

struct error_extra {
    int bad_i;
    int error_count;
};

static void error_callback (DB *db __attribute__((__unused__)), int which_db, int err, DBT *key __attribute__((__unused__)), DBT *val __attribute__((__unused__)), void *extra) {
    struct error_extra *e =(struct error_extra *)extra;
    assert(which_db==(int)which_db_to_fail);
    assert(err==EINVAL);
    assert(e->error_count==0);
    e->error_count++;
}

static void reset_random(void) {
    int r;

    for (int i = 0; i < NUM_DBS; i++) {
        ZERO_STRUCT(random_data[i]);
        ZERO_ARRAY(random_buf[i]);
        r = myinitstate_r(i, random_buf[i], 8, &random_data[i]);
        assert(r==0);
    }
}

static void test_loader_maxsize(DB **dbs, DB **check_dbs)
{
    int r;
    DB_TXN    *txn;
    DB_LOADER *loader;
    uint32_t db_flags[NUM_DBS];
    uint32_t dbt_flags[NUM_DBS];
    for(int i=0;i<NUM_DBS;i++) {
        db_flags[i] = DB_NOOVERWRITE;
        dbt_flags[i] = 0;
    }
    uint32_t loader_flags = USE_COMPRESS; // set with -p option

    // create and initialize loader
    r = env->txn_begin(env, NULL, &txn, 0);
    CKERR(r);
    r = env->create_loader(env, txn, &loader, nullptr, NUM_DBS, dbs, db_flags, dbt_flags, loader_flags);
    assert(which_db_to_fail != 0);
    CKERR(r);
    struct error_extra error_extra = {.bad_i=0,.error_count=0};
    r = loader->set_error_callback(loader, error_callback, (void*)&error_extra);
    CKERR(r);
    r = loader->set_poll_function(loader, NULL, NULL);
    CKERR(r);

    reset_random();
    // using loader->put, put values into DB
    DBT key, val;
    unsigned int k, v;
    for(uint32_t i=0;i<num_rows;i++) {
        k = i;
        v = i;
        dbt_init(&key, &k, sizeof(unsigned int));
        dbt_init(&val, &v, sizeof(unsigned int));
        r = loader->put(loader, &key, &val);
        CKERR(r);
    }

    // close the loader
    if (verbose) { printf("closing"); fflush(stdout); }
    r = loader->close(loader);
    if (verbose) {  printf(" done\n"); }
    switch(how_to_fail) {
    case FAIL_NONE:  assert(r==0);      assert(error_extra.error_count==0); goto checked;
    case FAIL_KSIZE: assert(r==EINVAL); assert(error_extra.error_count==1); goto checked;
    case FAIL_VSIZE: assert(r==EINVAL); assert(error_extra.error_count==1); goto checked;
    }
    assert(0);
 checked:
    r = txn->commit(txn, 0);
    CKERR(r);

    if (do_check && how_to_fail==FAIL_NONE) {
        r = env->txn_begin(env, NULL, &txn, 0);
        CKERR(r);
        reset_random();
        DBT keys[NUM_DBS];
        DBT vals[NUM_DBS];
        uint32_t flags[NUM_DBS];
        for (int i = 0; i < NUM_DBS; i++) {
            dbt_init_realloc(&keys[i]);
            dbt_init_realloc(&vals[i]);
            flags[i] = 0;
        }

        for(uint32_t i=0;i<num_rows;i++) {
            k = i;
            v = i;
            dbt_init(&key, &k, sizeof(unsigned int));
            dbt_init(&val, &v, sizeof(unsigned int));
            r = env_put_multiple_test_no_array(env, nullptr, txn, &key, &val, NUM_DBS, check_dbs, keys, vals, flags);
            CKERR(r);
        }
        r = txn->commit(txn, 0);
        CKERR(r);
        r = env->txn_begin(env, NULL, &txn, 0);
        CKERR(r);

        for (int i = 0; i < NUM_DBS; i++) {
            DBC *loader_cursor;
            DBC *check_cursor;
            r = dbs[i]->cursor(dbs[i], txn, &loader_cursor, 0);
            CKERR(r);
            r = dbs[i]->cursor(check_dbs[i], txn, &check_cursor, 0);
            CKERR(r);
            DBT loader_key;
            DBT loader_val;
            DBT check_key;
            DBT check_val;
            dbt_init_realloc(&loader_key);
            dbt_init_realloc(&loader_val);
            dbt_init_realloc(&check_key);
            dbt_init_realloc(&check_val);
            for (uint32_t x = 0; x <= num_rows; x++) {
                int r_loader = loader_cursor->c_get(loader_cursor, &loader_key, &loader_val, DB_NEXT);
                int r_check = check_cursor->c_get(check_cursor, &check_key, &check_val, DB_NEXT);
                assert(r_loader == r_check);
                if (x == num_rows) {
                    CKERR2(r_loader, DB_NOTFOUND);
                    CKERR2(r_check, DB_NOTFOUND);
                } else {
                    CKERR(r_loader);
                    CKERR(r_check);
                }
                assert(loader_key.size == check_key.size);
                assert(loader_val.size == check_val.size);
                assert(memcmp(loader_key.data, check_key.data, loader_key.size) == 0);
                assert(memcmp(loader_val.data, check_val.data, loader_val.size) == 0);
            }
            toku_free(loader_key.data);
            toku_free(loader_val.data);
            toku_free(check_key.data);
            toku_free(check_val.data);
            loader_cursor->c_close(loader_cursor);
            check_cursor->c_close(check_cursor);
        }

        for (int i = 0; i < NUM_DBS; i++) {
            toku_free(keys[i].data);
            toku_free(vals[i].data);
            dbt_init_realloc(&keys[i]);
            dbt_init_realloc(&vals[i]);
        }
        r = txn->commit(txn, 0);
        CKERR(r);
    }


}

char *free_me = NULL;
const char *env_dir = TOKU_TEST_FILENAME; // the default env_dir

static void create_and_open_dbs(DB **dbs, const char *suffix, int *idx) {
    int r;
    DBT desc;
    dbt_init(&desc, "foo", sizeof("foo"));
    enum {MAX_NAME=128};
    char name[MAX_NAME*2];

    for(int i=0;i<NUM_DBS;i++) {
        idx[i] = i;
        r = db_create(&dbs[i], env, 0);                                                                       CKERR(r);
        dbs[i]->app_private = &idx[i];
        snprintf(name, sizeof(name), "db_%04x_%s", i, suffix);
        r = dbs[i]->open(dbs[i], NULL, name, NULL, DB_BTREE, DB_CREATE, 0666);                                CKERR(r);
        IN_TXN_COMMIT(env, NULL, txn_desc, 0, {
                { int chk_r = dbs[i]->change_descriptor(dbs[i], txn_desc, &desc, 0); CKERR(chk_r); }
        });
    }
}

static int
uint_or_size_dbt_cmp (DB *db, const DBT *a, const DBT *b) {
  assert(db && a && b);
  if (a->size == sizeof(unsigned int) && b->size == sizeof(unsigned int)) {
      return uint_dbt_cmp(db, a, b);
  }
  return a->size - b->size;
}

static void run_test(uint32_t nr, uint32_t wdb, uint32_t wrow, enum how_to_fail htf) {
    num_rows = nr; which_db_to_fail = wdb; which_row_to_fail = wrow; how_to_fail = htf;

    int r;
    toku_os_recursive_delete(env_dir);
    r = toku_os_mkdir(env_dir, S_IRWXU+S_IRWXG+S_IRWXO);                                                       CKERR(r);

    r = db_env_create(&env, 0);                                                                               CKERR(r);
    r = env->set_default_bt_compare(env, uint_or_size_dbt_cmp);                                                       CKERR(r);
    r = env->set_generate_row_callback_for_put(env, put_multiple_generate);
    CKERR(r);
    int envflags = DB_INIT_LOCK | DB_INIT_MPOOL | DB_INIT_TXN | DB_INIT_LOG | DB_CREATE | DB_PRIVATE;
    r = env->open(env, env_dir, envflags, S_IRWXU+S_IRWXG+S_IRWXO);                                            CKERR(r);
    env->set_errfile(env, stderr);
    //Disable auto-checkpointing
    r = env->checkpointing_set_period(env, 0);                                                                CKERR(r);

    DB **XMALLOC_N(NUM_DBS, dbs);
    DB **XMALLOC_N(NUM_DBS, check_dbs);
    int idx[NUM_DBS];

    create_and_open_dbs(dbs, "loader", &idx[0]);
    if (do_check && how_to_fail==FAIL_NONE) {
        create_and_open_dbs(check_dbs, "check", &idx[0]);
    }

    if (verbose) printf("running test_loader()\n");
    // -------------------------- //
    test_loader_maxsize(dbs, check_dbs);
    // -------------------------- //
    if (verbose) printf("done    test_loader()\n");

    for(int i=0;i<NUM_DBS;i++) {
        dbs[i]->close(dbs[i], 0);                                                                             CKERR(r);
        dbs[i] = NULL;
        if (do_check && how_to_fail==FAIL_NONE) {
            check_dbs[i]->close(check_dbs[i], 0);                                                                 CKERR(r);
            check_dbs[i] = NULL;
        }
    }
    r = env->close(env, 0);                                                                                   CKERR(r);
    toku_free(dbs);
    toku_free(check_dbs);
}

// ------------ infrastructure ----------
static void do_args(int argc, char * const argv[]);

int num_rows_set = false;

int test_main(int argc, char * const *argv) {
    do_args(argc, argv);

    run_test(1, (uint32_t) -1, (uint32_t) -1, FAIL_NONE);
    run_test(1,  1,  0, FAIL_NONE);
    run_test(1,  1,  0, FAIL_KSIZE);
    run_test(1,  1,  0, FAIL_VSIZE);
    if (!fast) {
	run_test(1000000, 1, 500000, FAIL_KSIZE);
	run_test(1000000, 1, 500000, FAIL_VSIZE);
    }
    toku_free(free_me);
    return 0;
}

static void do_args(int argc, char * const argv[]) {
    int resultcode;
    char *cmd = argv[0];
    argc--; argv++;
    while (argc>0) {
        if (strcmp(argv[0], "-h")==0) {
            resultcode=0;
	do_usage:
	    fprintf(stderr, "Usage: %s [-h] [-v] [-q] [-p] [-f]\n", cmd);
	    fprintf(stderr, " where -e <env>         uses <env> to construct the directory (so that different tests can run concurrently)\n");
	    fprintf(stderr, "       -h               help\n");
	    fprintf(stderr, "       -v               verbose\n");
	    fprintf(stderr, "       -q               quiet\n");
	    fprintf(stderr, "       -z               compress intermediates\n");
	    fprintf(stderr, "       -c               compare with regular dbs\n");
	    fprintf(stderr, "       -f               fast (suitable for vgrind)\n");
	    exit(resultcode);
	} else if (strcmp(argv[0], "-c")==0) {
	    do_check = true;
	} else if (strcmp(argv[0], "-v")==0) {
	    verbose++;
	} else if (strcmp(argv[0],"-q")==0) {
	    verbose--;
	    if (verbose<0) verbose=0;
        } else if (strcmp(argv[0], "-z")==0) {
            USE_COMPRESS = LOADER_COMPRESS_INTERMEDIATES;
        } else if (strcmp(argv[0], "-f")==0) {
	    fast     = true;
	} else {
	    fprintf(stderr, "Unknown arg: %s\n", argv[0]);
	    resultcode=1;
	    goto do_usage;
	}
	argc--;
	argv++;
    }
}