ydb_env_func.cc

/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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  TokuDB, Tokutek Fractal Tree Indexing Library.
  Copyright (C) 2007-2013 Tokutek, Inc.

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  This program is distributed in the hope that it will be useful, but
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  The technology is licensed by the Massachusetts Institute of
  Technology, Rutgers State University of New Jersey, and the Research
  Foundation of State University of New York at Stony Brook under
  United States of America Serial No. 11/760379 and to the patents
  and/or patent applications resulting from it.

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  This software is covered by US Patent No. 8,185,551.
  This software is covered by US Patent No. 8,489,638.

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*/

#ident "Copyright (c) 2007-2013 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
#ident "$Id$"

#include <toku_portability.h>

#include <memory.h>
#include <db.h>

#include <ft/ft.h>
#include <ft/ft-ops.h>
#include <ft/ft-flusher.h>
#include <ft/checkpoint.h>
#include <ft/recover.h>
#include <ft/ftloader.h>

#include "ydb_env_func.h"

// For test purposes only.
// These callbacks are never used in production code, only as a way to test the system
// (for example, by causing crashes at predictable times).
void (*checkpoint_callback_f)(void*) = NULL;
void * checkpoint_callback_extra     = NULL;
void (*checkpoint_callback2_f)(void*) = NULL;
void * checkpoint_callback2_extra     = NULL;

bool engine_status_enable = true; // if false, suppress engine status output on failed assert, for test programs only

void db_env_set_direct_io (bool direct_io_on) {
    toku_ft_set_direct_io(direct_io_on);
}

void db_env_set_compress_buffers_before_eviction (bool compress_buffers) {
    toku_ft_set_compress_buffers_before_eviction(compress_buffers);
}

void db_env_set_func_fsync (int (*fsync_function)(int)) {
    toku_set_func_fsync(fsync_function);
}

void db_env_set_func_pwrite (ssize_t (*pwrite_function)(int, const void *, size_t, toku_off_t)) {
    toku_set_func_pwrite(pwrite_function);
}

void db_env_set_func_full_pwrite (ssize_t (*pwrite_function)(int, const void *, size_t, toku_off_t)) {
    toku_set_func_full_pwrite(pwrite_function);
}

void db_env_set_func_write (ssize_t (*write_function)(int, const void *, size_t)) {
    toku_set_func_write(write_function);
}

void db_env_set_func_full_write (ssize_t (*write_function)(int, const void *, size_t)) {
    toku_set_func_full_write(write_function);
}

void db_env_set_func_fdopen (FILE * (*fdopen_function)(int, const char *)) {
    toku_set_func_fdopen(fdopen_function);
}

void db_env_set_func_fopen (FILE * (*fopen_function)(const char *, const char *)) {
    toku_set_func_fopen(fopen_function);
}

void db_env_set_func_open (int (*open_function)(const char *, int, int)) {
    toku_set_func_open(open_function);
}

void db_env_set_func_fclose (int (*fclose_function)(FILE*)) {
    toku_set_func_fclose(fclose_function);
}

void db_env_set_func_pread (ssize_t (*fun)(int, void *, size_t, off_t)) {
    toku_set_func_pread(fun);
}

void db_env_set_func_loader_fwrite (size_t (*fwrite_fun)(const void*,size_t,size_t,FILE*)) {
    ft_loader_set_os_fwrite(fwrite_fun);
}

void db_env_set_func_malloc (void *(*f)(size_t)) {
    toku_set_func_malloc(f);
}

void db_env_set_func_realloc (void *(*f)(void*, size_t)) {
    toku_set_func_realloc(f);
}

void db_env_set_func_free (void (*f)(void*)) {
    toku_set_func_free(f);
}

// For test purposes only.
// With this interface, all checkpoint users get the same callbacks and the same extras.
void 
db_env_set_checkpoint_callback (void (*callback_f)(void*), void* extra) {
    toku_checkpoint_safe_client_lock();
    checkpoint_callback_f = callback_f;
    checkpoint_callback_extra = extra;
    toku_checkpoint_safe_client_unlock();
}

void 
db_env_set_checkpoint_callback2 (void (*callback_f)(void*), void* extra) {
    toku_checkpoint_safe_client_lock();
    checkpoint_callback2_f = callback_f;
    checkpoint_callback2_extra = extra;
    toku_checkpoint_safe_client_unlock();
}

void 
db_env_set_recover_callback (void (*callback_f)(void*), void* extra) {
    toku_recover_set_callback(callback_f, extra);
}

void 
db_env_set_recover_callback2 (void (*callback_f)(void*), void* extra) {
    toku_recover_set_callback2(callback_f, extra);
}

void 
db_env_set_flusher_thread_callback(void (*callback_f)(int, void*), void* extra) {
    toku_flusher_thread_set_callback(callback_f, extra);
}

void 
db_env_set_loader_size_factor (uint32_t factor) {
    toku_ft_loader_set_size_factor(factor);
}

void 
db_env_set_mvcc_garbage_collection_verification(uint32_t verification_mode) {
    garbage_collection_debug = (verification_mode != 0);
}

// Purpose: allow test programs that expect to fail to suppress engine status output on failed assert.
void
db_env_enable_engine_status(bool enable) {
    engine_status_enable = enable;
}

void
db_env_set_num_bucket_mutexes(uint32_t num_mutexes) {
    toku_pair_list_set_lock_size(num_mutexes);
}

void db_env_try_gdb_stack_trace(const char *gdb_path) {
    toku_try_gdb_stack_trace(gdb_path);
}