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Rename leveldb to rocksdb in C api

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Doğan Çeçen 11 years ago
parent 9644e0e0c7
commit 6c4e110c8c
3 changed files with 392 additions and 392 deletions
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  1. 328
      db/c.cc
  2. 218
      db/c_test.c
  3. 238
      include/rocksdb/c.h

328
db/c.cc
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@ -48,21 +48,21 @@ using std::shared_ptr;
extern "C" { extern "C" {
struct leveldb_t { DB* rep; }; struct rocksdb_t { DB* rep; };
struct leveldb_iterator_t { Iterator* rep; }; struct rocksdb_iterator_t { Iterator* rep; };
struct leveldb_writebatch_t { WriteBatch rep; }; struct rocksdb_writebatch_t { WriteBatch rep; };
struct leveldb_snapshot_t { const Snapshot* rep; }; struct rocksdb_snapshot_t { const Snapshot* rep; };
struct leveldb_readoptions_t { ReadOptions rep; }; struct rocksdb_readoptions_t { ReadOptions rep; };
struct leveldb_writeoptions_t { WriteOptions rep; }; struct rocksdb_writeoptions_t { WriteOptions rep; };
struct leveldb_options_t { Options rep; }; struct rocksdb_options_t { Options rep; };
struct leveldb_seqfile_t { SequentialFile* rep; }; struct rocksdb_seqfile_t { SequentialFile* rep; };
struct leveldb_randomfile_t { RandomAccessFile* rep; }; struct rocksdb_randomfile_t { RandomAccessFile* rep; };
struct leveldb_writablefile_t { WritableFile* rep; }; struct rocksdb_writablefile_t { WritableFile* rep; };
struct leveldb_filelock_t { FileLock* rep; }; struct rocksdb_filelock_t { FileLock* rep; };
struct leveldb_logger_t { shared_ptr<Logger> rep; }; struct rocksdb_logger_t { shared_ptr<Logger> rep; };
struct leveldb_cache_t { shared_ptr<Cache> rep; }; struct rocksdb_cache_t { shared_ptr<Cache> rep; };
struct leveldb_comparator_t : public Comparator { struct rocksdb_comparator_t : public Comparator {
void* state_; void* state_;
void (*destructor_)(void*); void (*destructor_)(void*);
int (*compare_)( int (*compare_)(
@ -71,7 +71,7 @@ struct leveldb_comparator_t : public Comparator {
const char* b, size_t blen); const char* b, size_t blen);
const char* (*name_)(void*); const char* (*name_)(void*);
virtual ~leveldb_comparator_t() { virtual ~rocksdb_comparator_t() {
(*destructor_)(state_); (*destructor_)(state_);
} }
@ -88,7 +88,7 @@ struct leveldb_comparator_t : public Comparator {
virtual void FindShortSuccessor(std::string* key) const { } virtual void FindShortSuccessor(std::string* key) const { }
}; };
struct leveldb_filterpolicy_t : public FilterPolicy { struct rocksdb_filterpolicy_t : public FilterPolicy {
void* state_; void* state_;
void (*destructor_)(void*); void (*destructor_)(void*);
const char* (*name_)(void*); const char* (*name_)(void*);
@ -102,7 +102,7 @@ struct leveldb_filterpolicy_t : public FilterPolicy {
const char* key, size_t length, const char* key, size_t length,
const char* filter, size_t filter_length); const char* filter, size_t filter_length);
virtual ~leveldb_filterpolicy_t() { virtual ~rocksdb_filterpolicy_t() {
(*destructor_)(state_); (*destructor_)(state_);
} }
@ -129,7 +129,7 @@ struct leveldb_filterpolicy_t : public FilterPolicy {
} }
}; };
struct leveldb_env_t { struct rocksdb_env_t {
Env* rep; Env* rep;
bool is_default; bool is_default;
}; };
@ -154,27 +154,27 @@ static char* CopyString(const std::string& str) {
return result; return result;
} }
leveldb_t* leveldb_open( rocksdb_t* rocksdb_open(
const leveldb_options_t* options, const rocksdb_options_t* options,
const char* name, const char* name,
char** errptr) { char** errptr) {
DB* db; DB* db;
if (SaveError(errptr, DB::Open(options->rep, std::string(name), &db))) { if (SaveError(errptr, DB::Open(options->rep, std::string(name), &db))) {
return NULL; return NULL;
} }
leveldb_t* result = new leveldb_t; rocksdb_t* result = new rocksdb_t;
result->rep = db; result->rep = db;
return result; return result;
} }
void leveldb_close(leveldb_t* db) { void rocksdb_close(rocksdb_t* db) {
delete db->rep; delete db->rep;
delete db; delete db;
} }
void leveldb_put( void rocksdb_put(
leveldb_t* db, rocksdb_t* db,
const leveldb_writeoptions_t* options, const rocksdb_writeoptions_t* options,
const char* key, size_t keylen, const char* key, size_t keylen,
const char* val, size_t vallen, const char* val, size_t vallen,
char** errptr) { char** errptr) {
@ -182,26 +182,26 @@ void leveldb_put(
db->rep->Put(options->rep, Slice(key, keylen), Slice(val, vallen))); db->rep->Put(options->rep, Slice(key, keylen), Slice(val, vallen)));
} }
void leveldb_delete( void rocksdb_delete(
leveldb_t* db, rocksdb_t* db,
const leveldb_writeoptions_t* options, const rocksdb_writeoptions_t* options,
const char* key, size_t keylen, const char* key, size_t keylen,
char** errptr) { char** errptr) {
SaveError(errptr, db->rep->Delete(options->rep, Slice(key, keylen))); SaveError(errptr, db->rep->Delete(options->rep, Slice(key, keylen)));
} }
void leveldb_write( void rocksdb_write(
leveldb_t* db, rocksdb_t* db,
const leveldb_writeoptions_t* options, const rocksdb_writeoptions_t* options,
leveldb_writebatch_t* batch, rocksdb_writebatch_t* batch,
char** errptr) { char** errptr) {
SaveError(errptr, db->rep->Write(options->rep, &batch->rep)); SaveError(errptr, db->rep->Write(options->rep, &batch->rep));
} }
char* leveldb_get( char* rocksdb_get(
leveldb_t* db, rocksdb_t* db,
const leveldb_readoptions_t* options, const rocksdb_readoptions_t* options,
const char* key, size_t keylen, const char* key, size_t keylen,
size_t* vallen, size_t* vallen,
char** errptr) { char** errptr) {
@ -220,30 +220,30 @@ char* leveldb_get(
return result; return result;
} }
leveldb_iterator_t* leveldb_create_iterator( rocksdb_iterator_t* rocksdb_create_iterator(
leveldb_t* db, rocksdb_t* db,
const leveldb_readoptions_t* options) { const rocksdb_readoptions_t* options) {
leveldb_iterator_t* result = new leveldb_iterator_t; rocksdb_iterator_t* result = new rocksdb_iterator_t;
result->rep = db->rep->NewIterator(options->rep); result->rep = db->rep->NewIterator(options->rep);
return result; return result;
} }
const leveldb_snapshot_t* leveldb_create_snapshot( const rocksdb_snapshot_t* rocksdb_create_snapshot(
leveldb_t* db) { rocksdb_t* db) {
leveldb_snapshot_t* result = new leveldb_snapshot_t; rocksdb_snapshot_t* result = new rocksdb_snapshot_t;
result->rep = db->rep->GetSnapshot(); result->rep = db->rep->GetSnapshot();
return result; return result;
} }
void leveldb_release_snapshot( void rocksdb_release_snapshot(
leveldb_t* db, rocksdb_t* db,
const leveldb_snapshot_t* snapshot) { const rocksdb_snapshot_t* snapshot) {
db->rep->ReleaseSnapshot(snapshot->rep); db->rep->ReleaseSnapshot(snapshot->rep);
delete snapshot; delete snapshot;
} }
char* leveldb_property_value( char* rocksdb_property_value(
leveldb_t* db, rocksdb_t* db,
const char* propname) { const char* propname) {
std::string tmp; std::string tmp;
if (db->rep->GetProperty(Slice(propname), &tmp)) { if (db->rep->GetProperty(Slice(propname), &tmp)) {
@ -254,8 +254,8 @@ char* leveldb_property_value(
} }
} }
void leveldb_approximate_sizes( void rocksdb_approximate_sizes(
leveldb_t* db, rocksdb_t* db,
int num_ranges, int num_ranges,
const char* const* range_start_key, const size_t* range_start_key_len, const char* const* range_start_key, const size_t* range_start_key_len,
const char* const* range_limit_key, const size_t* range_limit_key_len, const char* const* range_limit_key, const size_t* range_limit_key_len,
@ -269,8 +269,8 @@ void leveldb_approximate_sizes(
delete[] ranges; delete[] ranges;
} }
void leveldb_compact_range( void rocksdb_compact_range(
leveldb_t* db, rocksdb_t* db,
const char* start_key, size_t start_key_len, const char* start_key, size_t start_key_len,
const char* limit_key, size_t limit_key_len) { const char* limit_key, size_t limit_key_len) {
Slice a, b; Slice a, b;
@ -280,92 +280,92 @@ void leveldb_compact_range(
(limit_key ? (b = Slice(limit_key, limit_key_len), &b) : NULL)); (limit_key ? (b = Slice(limit_key, limit_key_len), &b) : NULL));
} }
void leveldb_destroy_db( void rocksdb_destroy_db(
const leveldb_options_t* options, const rocksdb_options_t* options,
const char* name, const char* name,
char** errptr) { char** errptr) {
SaveError(errptr, DestroyDB(name, options->rep)); SaveError(errptr, DestroyDB(name, options->rep));
} }
void leveldb_repair_db( void rocksdb_repair_db(
const leveldb_options_t* options, const rocksdb_options_t* options,
const char* name, const char* name,
char** errptr) { char** errptr) {
SaveError(errptr, RepairDB(name, options->rep)); SaveError(errptr, RepairDB(name, options->rep));
} }
void leveldb_iter_destroy(leveldb_iterator_t* iter) { void rocksdb_iter_destroy(rocksdb_iterator_t* iter) {
delete iter->rep; delete iter->rep;
delete iter; delete iter;
} }
unsigned char leveldb_iter_valid(const leveldb_iterator_t* iter) { unsigned char rocksdb_iter_valid(const rocksdb_iterator_t* iter) {
return iter->rep->Valid(); return iter->rep->Valid();
} }
void leveldb_iter_seek_to_first(leveldb_iterator_t* iter) { void rocksdb_iter_seek_to_first(rocksdb_iterator_t* iter) {
iter->rep->SeekToFirst(); iter->rep->SeekToFirst();
} }
void leveldb_iter_seek_to_last(leveldb_iterator_t* iter) { void rocksdb_iter_seek_to_last(rocksdb_iterator_t* iter) {
iter->rep->SeekToLast(); iter->rep->SeekToLast();
} }
void leveldb_iter_seek(leveldb_iterator_t* iter, const char* k, size_t klen) { void rocksdb_iter_seek(rocksdb_iterator_t* iter, const char* k, size_t klen) {
iter->rep->Seek(Slice(k, klen)); iter->rep->Seek(Slice(k, klen));
} }
void leveldb_iter_next(leveldb_iterator_t* iter) { void rocksdb_iter_next(rocksdb_iterator_t* iter) {
iter->rep->Next(); iter->rep->Next();
} }
void leveldb_iter_prev(leveldb_iterator_t* iter) { void rocksdb_iter_prev(rocksdb_iterator_t* iter) {
iter->rep->Prev(); iter->rep->Prev();
} }
const char* leveldb_iter_key(const leveldb_iterator_t* iter, size_t* klen) { const char* rocksdb_iter_key(const rocksdb_iterator_t* iter, size_t* klen) {
Slice s = iter->rep->key(); Slice s = iter->rep->key();
*klen = s.size(); *klen = s.size();
return s.data(); return s.data();
} }
const char* leveldb_iter_value(const leveldb_iterator_t* iter, size_t* vlen) { const char* rocksdb_iter_value(const rocksdb_iterator_t* iter, size_t* vlen) {
Slice s = iter->rep->value(); Slice s = iter->rep->value();
*vlen = s.size(); *vlen = s.size();
return s.data(); return s.data();
} }
void leveldb_iter_get_error(const leveldb_iterator_t* iter, char** errptr) { void rocksdb_iter_get_error(const rocksdb_iterator_t* iter, char** errptr) {
SaveError(errptr, iter->rep->status()); SaveError(errptr, iter->rep->status());
} }
leveldb_writebatch_t* leveldb_writebatch_create() { rocksdb_writebatch_t* rocksdb_writebatch_create() {
return new leveldb_writebatch_t; return new rocksdb_writebatch_t;
} }
void leveldb_writebatch_destroy(leveldb_writebatch_t* b) { void rocksdb_writebatch_destroy(rocksdb_writebatch_t* b) {
delete b; delete b;
} }
void leveldb_writebatch_clear(leveldb_writebatch_t* b) { void rocksdb_writebatch_clear(rocksdb_writebatch_t* b) {
b->rep.Clear(); b->rep.Clear();
} }
void leveldb_writebatch_put( void rocksdb_writebatch_put(
leveldb_writebatch_t* b, rocksdb_writebatch_t* b,
const char* key, size_t klen, const char* key, size_t klen,
const char* val, size_t vlen) { const char* val, size_t vlen) {
b->rep.Put(Slice(key, klen), Slice(val, vlen)); b->rep.Put(Slice(key, klen), Slice(val, vlen));
} }
void leveldb_writebatch_delete( void rocksdb_writebatch_delete(
leveldb_writebatch_t* b, rocksdb_writebatch_t* b,
const char* key, size_t klen) { const char* key, size_t klen) {
b->rep.Delete(Slice(key, klen)); b->rep.Delete(Slice(key, klen));
} }
void leveldb_writebatch_iterate( void rocksdb_writebatch_iterate(
leveldb_writebatch_t* b, rocksdb_writebatch_t* b,
void* state, void* state,
void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen), void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen),
void (*deleted)(void*, const char* k, size_t klen)) { void (*deleted)(void*, const char* k, size_t klen)) {
@ -388,132 +388,132 @@ void leveldb_writebatch_iterate(
b->rep.Iterate(&handler); b->rep.Iterate(&handler);
} }
leveldb_options_t* leveldb_options_create() { rocksdb_options_t* rocksdb_options_create() {
return new leveldb_options_t; return new rocksdb_options_t;
} }
void leveldb_options_destroy(leveldb_options_t* options) { void rocksdb_options_destroy(rocksdb_options_t* options) {
delete options; delete options;
} }
void leveldb_options_set_comparator( void rocksdb_options_set_comparator(
leveldb_options_t* opt, rocksdb_options_t* opt,
leveldb_comparator_t* cmp) { rocksdb_comparator_t* cmp) {
opt->rep.comparator = cmp; opt->rep.comparator = cmp;
} }
void leveldb_options_set_filter_policy( void rocksdb_options_set_filter_policy(
leveldb_options_t* opt, rocksdb_options_t* opt,
leveldb_filterpolicy_t* policy) { rocksdb_filterpolicy_t* policy) {
opt->rep.filter_policy = policy; opt->rep.filter_policy = policy;
} }
void leveldb_options_set_create_if_missing( void rocksdb_options_set_create_if_missing(
leveldb_options_t* opt, unsigned char v) { rocksdb_options_t* opt, unsigned char v) {
opt->rep.create_if_missing = v; opt->rep.create_if_missing = v;
} }
void leveldb_options_set_error_if_exists( void rocksdb_options_set_error_if_exists(
leveldb_options_t* opt, unsigned char v) { rocksdb_options_t* opt, unsigned char v) {
opt->rep.error_if_exists = v; opt->rep.error_if_exists = v;
} }
void leveldb_options_set_paranoid_checks( void rocksdb_options_set_paranoid_checks(
leveldb_options_t* opt, unsigned char v) { rocksdb_options_t* opt, unsigned char v) {
opt->rep.paranoid_checks = v; opt->rep.paranoid_checks = v;
} }
void leveldb_options_set_env(leveldb_options_t* opt, leveldb_env_t* env) { void rocksdb_options_set_env(rocksdb_options_t* opt, rocksdb_env_t* env) {
opt->rep.env = (env ? env->rep : NULL); opt->rep.env = (env ? env->rep : NULL);
} }
void leveldb_options_set_info_log(leveldb_options_t* opt, leveldb_logger_t* l) { void rocksdb_options_set_info_log(rocksdb_options_t* opt, rocksdb_logger_t* l) {
if (l) { if (l) {
opt->rep.info_log = l->rep; opt->rep.info_log = l->rep;
} }
} }
void leveldb_options_set_write_buffer_size(leveldb_options_t* opt, size_t s) { void rocksdb_options_set_write_buffer_size(rocksdb_options_t* opt, size_t s) {
opt->rep.write_buffer_size = s; opt->rep.write_buffer_size = s;
} }
void leveldb_options_set_max_open_files(leveldb_options_t* opt, int n) { void rocksdb_options_set_max_open_files(rocksdb_options_t* opt, int n) {
opt->rep.max_open_files = n; opt->rep.max_open_files = n;
} }
void leveldb_options_set_cache(leveldb_options_t* opt, leveldb_cache_t* c) { void rocksdb_options_set_cache(rocksdb_options_t* opt, rocksdb_cache_t* c) {
if (c) { if (c) {
opt->rep.block_cache = c->rep; opt->rep.block_cache = c->rep;
} }
} }
void leveldb_options_set_block_size(leveldb_options_t* opt, size_t s) { void rocksdb_options_set_block_size(rocksdb_options_t* opt, size_t s) {
opt->rep.block_size = s; opt->rep.block_size = s;
} }
void leveldb_options_set_block_restart_interval(leveldb_options_t* opt, int n) { void rocksdb_options_set_block_restart_interval(rocksdb_options_t* opt, int n) {
opt->rep.block_restart_interval = n; opt->rep.block_restart_interval = n;
} }
void leveldb_options_set_target_file_size_base( void rocksdb_options_set_target_file_size_base(
leveldb_options_t* opt, uint64_t n) { rocksdb_options_t* opt, uint64_t n) {
opt->rep.target_file_size_base = n; opt->rep.target_file_size_base = n;
} }
void leveldb_options_set_target_file_size_multiplier( void rocksdb_options_set_target_file_size_multiplier(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.target_file_size_multiplier = n; opt->rep.target_file_size_multiplier = n;
} }
void leveldb_options_set_max_bytes_for_level_base( void rocksdb_options_set_max_bytes_for_level_base(
leveldb_options_t* opt, uint64_t n) { rocksdb_options_t* opt, uint64_t n) {
opt->rep.max_bytes_for_level_base = n; opt->rep.max_bytes_for_level_base = n;
} }
void leveldb_options_set_max_bytes_for_level_multiplier( void rocksdb_options_set_max_bytes_for_level_multiplier(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.max_bytes_for_level_multiplier = n; opt->rep.max_bytes_for_level_multiplier = n;
} }
void leveldb_options_set_expanded_compaction_factor( void rocksdb_options_set_expanded_compaction_factor(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.expanded_compaction_factor = n; opt->rep.expanded_compaction_factor = n;
} }
void leveldb_options_set_max_grandparent_overlap_factor( void rocksdb_options_set_max_grandparent_overlap_factor(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.max_grandparent_overlap_factor = n; opt->rep.max_grandparent_overlap_factor = n;
} }
void leveldb_options_set_num_levels(leveldb_options_t* opt, int n) { void rocksdb_options_set_num_levels(rocksdb_options_t* opt, int n) {
opt->rep.num_levels = n; opt->rep.num_levels = n;
} }
void leveldb_options_set_level0_file_num_compaction_trigger( void rocksdb_options_set_level0_file_num_compaction_trigger(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.level0_file_num_compaction_trigger = n; opt->rep.level0_file_num_compaction_trigger = n;
} }
void leveldb_options_set_level0_slowdown_writes_trigger( void rocksdb_options_set_level0_slowdown_writes_trigger(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.level0_slowdown_writes_trigger = n; opt->rep.level0_slowdown_writes_trigger = n;
} }
void leveldb_options_set_level0_stop_writes_trigger( void rocksdb_options_set_level0_stop_writes_trigger(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.level0_stop_writes_trigger = n; opt->rep.level0_stop_writes_trigger = n;
} }
void leveldb_options_set_max_mem_compaction_level( void rocksdb_options_set_max_mem_compaction_level(
leveldb_options_t* opt, int n) { rocksdb_options_t* opt, int n) {
opt->rep.max_mem_compaction_level = n; opt->rep.max_mem_compaction_level = n;
} }
void leveldb_options_set_compression(leveldb_options_t* opt, int t) { void rocksdb_options_set_compression(rocksdb_options_t* opt, int t) {
opt->rep.compression = static_cast<CompressionType>(t); opt->rep.compression = static_cast<CompressionType>(t);
} }
void leveldb_options_set_compression_per_level(leveldb_options_t* opt, void rocksdb_options_set_compression_per_level(rocksdb_options_t* opt,
int* level_values, int* level_values,
size_t num_levels) { size_t num_levels) {
opt->rep.compression_per_level.resize(num_levels); opt->rep.compression_per_level.resize(num_levels);
@ -523,43 +523,43 @@ void leveldb_options_set_compression_per_level(leveldb_options_t* opt,
} }
} }
void leveldb_options_set_compression_options( void rocksdb_options_set_compression_options(
leveldb_options_t* opt, int w_bits, int level, int strategy) { rocksdb_options_t* opt, int w_bits, int level, int strategy) {
opt->rep.compression_opts.window_bits = w_bits; opt->rep.compression_opts.window_bits = w_bits;
opt->rep.compression_opts.level = level; opt->rep.compression_opts.level = level;
opt->rep.compression_opts.strategy = strategy; opt->rep.compression_opts.strategy = strategy;
} }
void leveldb_options_set_disable_data_sync( void rocksdb_options_set_disable_data_sync(
leveldb_options_t* opt, bool disable_data_sync) { rocksdb_options_t* opt, bool disable_data_sync) {
opt->rep.disableDataSync = disable_data_sync; opt->rep.disableDataSync = disable_data_sync;
} }
void leveldb_options_set_use_fsync( void rocksdb_options_set_use_fsync(
leveldb_options_t* opt, bool use_fsync) { rocksdb_options_t* opt, bool use_fsync) {
opt->rep.use_fsync = use_fsync; opt->rep.use_fsync = use_fsync;
} }
void leveldb_options_set_db_stats_log_interval( void rocksdb_options_set_db_stats_log_interval(
leveldb_options_t* opt, int db_stats_log_interval) { rocksdb_options_t* opt, int db_stats_log_interval) {
opt->rep.db_stats_log_interval = db_stats_log_interval; opt->rep.db_stats_log_interval = db_stats_log_interval;
} }
void leveldb_options_set_db_log_dir( void rocksdb_options_set_db_log_dir(
leveldb_options_t* opt, const char* db_log_dir) { rocksdb_options_t* opt, const char* db_log_dir) {
opt->rep.db_log_dir = db_log_dir; opt->rep.db_log_dir = db_log_dir;
} }
void leveldb_options_set_WAL_ttl_seconds(leveldb_options_t* opt, uint64_t ttl) { void rocksdb_options_set_WAL_ttl_seconds(rocksdb_options_t* opt, uint64_t ttl) {
opt->rep.WAL_ttl_seconds = ttl; opt->rep.WAL_ttl_seconds = ttl;
} }
void leveldb_options_set_WAL_size_limit_MB( void rocksdb_options_set_WAL_size_limit_MB(
leveldb_options_t* opt, uint64_t limit) { rocksdb_options_t* opt, uint64_t limit) {
opt->rep.WAL_size_limit_MB = limit; opt->rep.WAL_size_limit_MB = limit;
} }
leveldb_comparator_t* leveldb_comparator_create( rocksdb_comparator_t* rocksdb_comparator_create(
void* state, void* state,
void (*destructor)(void*), void (*destructor)(void*),
int (*compare)( int (*compare)(
@ -567,7 +567,7 @@ leveldb_comparator_t* leveldb_comparator_create(
const char* a, size_t alen, const char* a, size_t alen,
const char* b, size_t blen), const char* b, size_t blen),
const char* (*name)(void*)) { const char* (*name)(void*)) {
leveldb_comparator_t* result = new leveldb_comparator_t; rocksdb_comparator_t* result = new rocksdb_comparator_t;
result->state_ = state; result->state_ = state;
result->destructor_ = destructor; result->destructor_ = destructor;
result->compare_ = compare; result->compare_ = compare;
@ -575,11 +575,11 @@ leveldb_comparator_t* leveldb_comparator_create(
return result; return result;
} }
void leveldb_comparator_destroy(leveldb_comparator_t* cmp) { void rocksdb_comparator_destroy(rocksdb_comparator_t* cmp) {
delete cmp; delete cmp;
} }
leveldb_filterpolicy_t* leveldb_filterpolicy_create( rocksdb_filterpolicy_t* rocksdb_filterpolicy_create(
void* state, void* state,
void (*destructor)(void*), void (*destructor)(void*),
char* (*create_filter)( char* (*create_filter)(
@ -592,7 +592,7 @@ leveldb_filterpolicy_t* leveldb_filterpolicy_create(
const char* key, size_t length, const char* key, size_t length,
const char* filter, size_t filter_length), const char* filter, size_t filter_length),
const char* (*name)(void*)) { const char* (*name)(void*)) {
leveldb_filterpolicy_t* result = new leveldb_filterpolicy_t; rocksdb_filterpolicy_t* result = new rocksdb_filterpolicy_t;
result->state_ = state; result->state_ = state;
result->destructor_ = destructor; result->destructor_ = destructor;
result->create_ = create_filter; result->create_ = create_filter;
@ -601,15 +601,15 @@ leveldb_filterpolicy_t* leveldb_filterpolicy_create(
return result; return result;
} }
void leveldb_filterpolicy_destroy(leveldb_filterpolicy_t* filter) { void rocksdb_filterpolicy_destroy(rocksdb_filterpolicy_t* filter) {
delete filter; delete filter;
} }
leveldb_filterpolicy_t* leveldb_filterpolicy_create_bloom(int bits_per_key) { rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(int bits_per_key) {
// Make a leveldb_filterpolicy_t, but override all of its methods so // Make a rocksdb_filterpolicy_t, but override all of its methods so
// they delegate to a NewBloomFilterPolicy() instead of user // they delegate to a NewBloomFilterPolicy() instead of user
// supplied C functions. // supplied C functions.
struct Wrapper : public leveldb_filterpolicy_t { struct Wrapper : public rocksdb_filterpolicy_t {
const FilterPolicy* rep_; const FilterPolicy* rep_;
~Wrapper() { delete rep_; } ~Wrapper() { delete rep_; }
const char* Name() const { return rep_->Name(); } const char* Name() const { return rep_->Name(); }
@ -628,62 +628,62 @@ leveldb_filterpolicy_t* leveldb_filterpolicy_create_bloom(int bits_per_key) {
return wrapper; return wrapper;
} }
leveldb_readoptions_t* leveldb_readoptions_create() { rocksdb_readoptions_t* rocksdb_readoptions_create() {
return new leveldb_readoptions_t; return new rocksdb_readoptions_t;
} }
void leveldb_readoptions_destroy(leveldb_readoptions_t* opt) { void rocksdb_readoptions_destroy(rocksdb_readoptions_t* opt) {
delete opt; delete opt;
} }
void leveldb_readoptions_set_verify_checksums( void rocksdb_readoptions_set_verify_checksums(
leveldb_readoptions_t* opt, rocksdb_readoptions_t* opt,
unsigned char v) { unsigned char v) {
opt->rep.verify_checksums = v; opt->rep.verify_checksums = v;
} }
void leveldb_readoptions_set_fill_cache( void rocksdb_readoptions_set_fill_cache(
leveldb_readoptions_t* opt, unsigned char v) { rocksdb_readoptions_t* opt, unsigned char v) {
opt->rep.fill_cache = v; opt->rep.fill_cache = v;
} }
void leveldb_readoptions_set_snapshot( void rocksdb_readoptions_set_snapshot(
leveldb_readoptions_t* opt, rocksdb_readoptions_t* opt,
const leveldb_snapshot_t* snap) { const rocksdb_snapshot_t* snap) {
opt->rep.snapshot = (snap ? snap->rep : NULL); opt->rep.snapshot = (snap ? snap->rep : NULL);
} }
leveldb_writeoptions_t* leveldb_writeoptions_create() { rocksdb_writeoptions_t* rocksdb_writeoptions_create() {
return new leveldb_writeoptions_t; return new rocksdb_writeoptions_t;
} }
void leveldb_writeoptions_destroy(leveldb_writeoptions_t* opt) { void rocksdb_writeoptions_destroy(rocksdb_writeoptions_t* opt) {
delete opt; delete opt;
} }
void leveldb_writeoptions_set_sync( void rocksdb_writeoptions_set_sync(
leveldb_writeoptions_t* opt, unsigned char v) { rocksdb_writeoptions_t* opt, unsigned char v) {
opt->rep.sync = v; opt->rep.sync = v;
} }
leveldb_cache_t* leveldb_cache_create_lru(size_t capacity) { rocksdb_cache_t* rocksdb_cache_create_lru(size_t capacity) {
leveldb_cache_t* c = new leveldb_cache_t; rocksdb_cache_t* c = new rocksdb_cache_t;
c->rep = NewLRUCache(capacity); c->rep = NewLRUCache(capacity);
return c; return c;
} }
void leveldb_cache_destroy(leveldb_cache_t* cache) { void rocksdb_cache_destroy(rocksdb_cache_t* cache) {
delete cache; delete cache;
} }
leveldb_env_t* leveldb_create_default_env() { rocksdb_env_t* rocksdb_create_default_env() {
leveldb_env_t* result = new leveldb_env_t; rocksdb_env_t* result = new rocksdb_env_t;
result->rep = Env::Default(); result->rep = Env::Default();
result->is_default = true; result->is_default = true;
return result; return result;
} }
void leveldb_env_destroy(leveldb_env_t* env) { void rocksdb_env_destroy(rocksdb_env_t* env) {
if (!env->is_default) delete env->rep; if (!env->is_default) delete env->rep;
delete env; delete env;
} }

218
db/c_test.c
Unescape View File

@ -62,30 +62,30 @@ static void Free(char** ptr) {
} }
static void CheckGet( static void CheckGet(
leveldb_t* db, rocksdb_t* db,
const leveldb_readoptions_t* options, const rocksdb_readoptions_t* options,
const char* key, const char* key,
const char* expected) { const char* expected) {
char* err = NULL; char* err = NULL;
size_t val_len; size_t val_len;
char* val; char* val;
val = leveldb_get(db, options, key, strlen(key), &val_len, &err); val = rocksdb_get(db, options, key, strlen(key), &val_len, &err);
CheckNoError(err); CheckNoError(err);
CheckEqual(expected, val, val_len); CheckEqual(expected, val, val_len);
Free(&val); Free(&val);
} }
static void CheckIter(leveldb_iterator_t* iter, static void CheckIter(rocksdb_iterator_t* iter,
const char* key, const char* val) { const char* key, const char* val) {
size_t len; size_t len;
const char* str; const char* str;
str = leveldb_iter_key(iter, &len); str = rocksdb_iter_key(iter, &len);
CheckEqual(key, str, len); CheckEqual(key, str, len);
str = leveldb_iter_value(iter, &len); str = rocksdb_iter_value(iter, &len);
CheckEqual(val, str, len); CheckEqual(val, str, len);
} }
// Callback from leveldb_writebatch_iterate() // Callback from rocksdb_writebatch_iterate()
static void CheckPut(void* ptr, static void CheckPut(void* ptr,
const char* k, size_t klen, const char* k, size_t klen,
const char* v, size_t vlen) { const char* v, size_t vlen) {
@ -104,7 +104,7 @@ static void CheckPut(void* ptr,
(*state)++; (*state)++;
} }
// Callback from leveldb_writebatch_iterate() // Callback from rocksdb_writebatch_iterate()
static void CheckDel(void* ptr, const char* k, size_t klen) { static void CheckDel(void* ptr, const char* k, size_t klen) {
int* state = (int*) ptr; int* state = (int*) ptr;
CheckCondition(*state == 2); CheckCondition(*state == 2);
@ -155,117 +155,117 @@ unsigned char FilterKeyMatch(
} }
int main(int argc, char** argv) { int main(int argc, char** argv) {
leveldb_t* db; rocksdb_t* db;
leveldb_comparator_t* cmp; rocksdb_comparator_t* cmp;
leveldb_cache_t* cache; rocksdb_cache_t* cache;
leveldb_env_t* env; rocksdb_env_t* env;
leveldb_options_t* options; rocksdb_options_t* options;
leveldb_readoptions_t* roptions; rocksdb_readoptions_t* roptions;
leveldb_writeoptions_t* woptions; rocksdb_writeoptions_t* woptions;
char* err = NULL; char* err = NULL;
int run = -1; int run = -1;
snprintf(dbname, sizeof(dbname), snprintf(dbname, sizeof(dbname),
"%s/leveldb_c_test-%d", "%s/rocksdb_c_test-%d",
GetTempDir(), GetTempDir(),
((int) geteuid())); ((int) geteuid()));
StartPhase("create_objects"); StartPhase("create_objects");
cmp = leveldb_comparator_create(NULL, CmpDestroy, CmpCompare, CmpName); cmp = rocksdb_comparator_create(NULL, CmpDestroy, CmpCompare, CmpName);
env = leveldb_create_default_env(); env = rocksdb_create_default_env();
cache = leveldb_cache_create_lru(100000); cache = rocksdb_cache_create_lru(100000);
options = leveldb_options_create(); options = rocksdb_options_create();
leveldb_options_set_comparator(options, cmp); rocksdb_options_set_comparator(options, cmp);
leveldb_options_set_error_if_exists(options, 1); rocksdb_options_set_error_if_exists(options, 1);
leveldb_options_set_cache(options, cache); rocksdb_options_set_cache(options, cache);
leveldb_options_set_env(options, env); rocksdb_options_set_env(options, env);
leveldb_options_set_info_log(options, NULL); rocksdb_options_set_info_log(options, NULL);
leveldb_options_set_write_buffer_size(options, 100000); rocksdb_options_set_write_buffer_size(options, 100000);
leveldb_options_set_paranoid_checks(options, 1); rocksdb_options_set_paranoid_checks(options, 1);
leveldb_options_set_max_open_files(options, 10); rocksdb_options_set_max_open_files(options, 10);
leveldb_options_set_block_size(options, 1024); rocksdb_options_set_block_size(options, 1024);
leveldb_options_set_block_restart_interval(options, 8); rocksdb_options_set_block_restart_interval(options, 8);
leveldb_options_set_compression(options, leveldb_no_compression); rocksdb_options_set_compression(options, rocksdb_no_compression);
leveldb_options_set_compression_options(options, -14, -1, 0); rocksdb_options_set_compression_options(options, -14, -1, 0);
int compression_levels[] = {leveldb_no_compression, leveldb_no_compression, int compression_levels[] = {rocksdb_no_compression, rocksdb_no_compression,
leveldb_no_compression, leveldb_no_compression}; rocksdb_no_compression, rocksdb_no_compression};
leveldb_options_set_compression_per_level(options, compression_levels, 4); rocksdb_options_set_compression_per_level(options, compression_levels, 4);
roptions = leveldb_readoptions_create(); roptions = rocksdb_readoptions_create();
leveldb_readoptions_set_verify_checksums(roptions, 1); rocksdb_readoptions_set_verify_checksums(roptions, 1);
leveldb_readoptions_set_fill_cache(roptions, 0); rocksdb_readoptions_set_fill_cache(roptions, 0);
woptions = leveldb_writeoptions_create(); woptions = rocksdb_writeoptions_create();
leveldb_writeoptions_set_sync(woptions, 1); rocksdb_writeoptions_set_sync(woptions, 1);
StartPhase("destroy"); StartPhase("destroy");
leveldb_destroy_db(options, dbname, &err); rocksdb_destroy_db(options, dbname, &err);
Free(&err); Free(&err);
StartPhase("open_error"); StartPhase("open_error");
db = leveldb_open(options, dbname, &err); db = rocksdb_open(options, dbname, &err);
CheckCondition(err != NULL); CheckCondition(err != NULL);
Free(&err); Free(&err);
StartPhase("open"); StartPhase("open");
leveldb_options_set_create_if_missing(options, 1); rocksdb_options_set_create_if_missing(options, 1);
db = leveldb_open(options, dbname, &err); db = rocksdb_open(options, dbname, &err);
CheckNoError(err); CheckNoError(err);
CheckGet(db, roptions, "foo", NULL); CheckGet(db, roptions, "foo", NULL);
StartPhase("put"); StartPhase("put");
leveldb_put(db, woptions, "foo", 3, "hello", 5, &err); rocksdb_put(db, woptions, "foo", 3, "hello", 5, &err);
CheckNoError(err); CheckNoError(err);
CheckGet(db, roptions, "foo", "hello"); CheckGet(db, roptions, "foo", "hello");
StartPhase("compactall"); StartPhase("compactall");
leveldb_compact_range(db, NULL, 0, NULL, 0); rocksdb_compact_range(db, NULL, 0, NULL, 0);
CheckGet(db, roptions, "foo", "hello"); CheckGet(db, roptions, "foo", "hello");
StartPhase("compactrange"); StartPhase("compactrange");
leveldb_compact_range(db, "a", 1, "z", 1); rocksdb_compact_range(db, "a", 1, "z", 1);
CheckGet(db, roptions, "foo", "hello"); CheckGet(db, roptions, "foo", "hello");
StartPhase("writebatch"); StartPhase("writebatch");
{ {
leveldb_writebatch_t* wb = leveldb_writebatch_create(); rocksdb_writebatch_t* wb = rocksdb_writebatch_create();
leveldb_writebatch_put(wb, "foo", 3, "a", 1); rocksdb_writebatch_put(wb, "foo", 3, "a", 1);
leveldb_writebatch_clear(wb); rocksdb_writebatch_clear(wb);
leveldb_writebatch_put(wb, "bar", 3, "b", 1); rocksdb_writebatch_put(wb, "bar", 3, "b", 1);
leveldb_writebatch_put(wb, "box", 3, "c", 1); rocksdb_writebatch_put(wb, "box", 3, "c", 1);
leveldb_writebatch_delete(wb, "bar", 3); rocksdb_writebatch_delete(wb, "bar", 3);
leveldb_write(db, woptions, wb, &err); rocksdb_write(db, woptions, wb, &err);
CheckNoError(err); CheckNoError(err);
CheckGet(db, roptions, "foo", "hello"); CheckGet(db, roptions, "foo", "hello");
CheckGet(db, roptions, "bar", NULL); CheckGet(db, roptions, "bar", NULL);
CheckGet(db, roptions, "box", "c"); CheckGet(db, roptions, "box", "c");
int pos = 0; int pos = 0;
leveldb_writebatch_iterate(wb, &pos, CheckPut, CheckDel); rocksdb_writebatch_iterate(wb, &pos, CheckPut, CheckDel);
CheckCondition(pos == 3); CheckCondition(pos == 3);
leveldb_writebatch_destroy(wb); rocksdb_writebatch_destroy(wb);
} }
StartPhase("iter"); StartPhase("iter");
{ {
leveldb_iterator_t* iter = leveldb_create_iterator(db, roptions); rocksdb_iterator_t* iter = rocksdb_create_iterator(db, roptions);
CheckCondition(!leveldb_iter_valid(iter)); CheckCondition(!rocksdb_iter_valid(iter));
leveldb_iter_seek_to_first(iter); rocksdb_iter_seek_to_first(iter);
CheckCondition(leveldb_iter_valid(iter)); CheckCondition(rocksdb_iter_valid(iter));
CheckIter(iter, "box", "c"); CheckIter(iter, "box", "c");
leveldb_iter_next(iter); rocksdb_iter_next(iter);
CheckIter(iter, "foo", "hello"); CheckIter(iter, "foo", "hello");
leveldb_iter_prev(iter); rocksdb_iter_prev(iter);
CheckIter(iter, "box", "c"); CheckIter(iter, "box", "c");
leveldb_iter_prev(iter); rocksdb_iter_prev(iter);
CheckCondition(!leveldb_iter_valid(iter)); CheckCondition(!rocksdb_iter_valid(iter));
leveldb_iter_seek_to_last(iter); rocksdb_iter_seek_to_last(iter);
CheckIter(iter, "foo", "hello"); CheckIter(iter, "foo", "hello");
leveldb_iter_seek(iter, "b", 1); rocksdb_iter_seek(iter, "b", 1);
CheckIter(iter, "box", "c"); CheckIter(iter, "box", "c");
leveldb_iter_get_error(iter, &err); rocksdb_iter_get_error(iter, &err);
CheckNoError(err); CheckNoError(err);
leveldb_iter_destroy(iter); rocksdb_iter_destroy(iter);
} }
StartPhase("approximate_sizes"); StartPhase("approximate_sizes");
@ -279,39 +279,39 @@ int main(int argc, char** argv) {
size_t start_len[2] = { 1, 21 }; size_t start_len[2] = { 1, 21 };
const char* limit[2] = { "k00000000000000010000", "z" }; const char* limit[2] = { "k00000000000000010000", "z" };
size_t limit_len[2] = { 21, 1 }; size_t limit_len[2] = { 21, 1 };
leveldb_writeoptions_set_sync(woptions, 0); rocksdb_writeoptions_set_sync(woptions, 0);
for (i = 0; i < n; i++) { for (i = 0; i < n; i++) {
snprintf(keybuf, sizeof(keybuf), "k%020d", i); snprintf(keybuf, sizeof(keybuf), "k%020d", i);
snprintf(valbuf, sizeof(valbuf), "v%020d", i); snprintf(valbuf, sizeof(valbuf), "v%020d", i);
leveldb_put(db, woptions, keybuf, strlen(keybuf), valbuf, strlen(valbuf), rocksdb_put(db, woptions, keybuf, strlen(keybuf), valbuf, strlen(valbuf),
&err); &err);
CheckNoError(err); CheckNoError(err);
} }
leveldb_approximate_sizes(db, 2, start, start_len, limit, limit_len, sizes); rocksdb_approximate_sizes(db, 2, start, start_len, limit, limit_len, sizes);
CheckCondition(sizes[0] > 0); CheckCondition(sizes[0] > 0);
CheckCondition(sizes[1] > 0); CheckCondition(sizes[1] > 0);
} }
StartPhase("property"); StartPhase("property");
{ {
char* prop = leveldb_property_value(db, "nosuchprop"); char* prop = rocksdb_property_value(db, "nosuchprop");
CheckCondition(prop == NULL); CheckCondition(prop == NULL);
prop = leveldb_property_value(db, "rocksdb.stats"); prop = rocksdb_property_value(db, "rocksdb.stats");
CheckCondition(prop != NULL); CheckCondition(prop != NULL);
Free(&prop); Free(&prop);
} }
StartPhase("snapshot"); StartPhase("snapshot");
{ {
const leveldb_snapshot_t* snap; const rocksdb_snapshot_t* snap;
snap = leveldb_create_snapshot(db); snap = rocksdb_create_snapshot(db);
leveldb_delete(db, woptions, "foo", 3, &err); rocksdb_delete(db, woptions, "foo", 3, &err);
CheckNoError(err); CheckNoError(err);
leveldb_readoptions_set_snapshot(roptions, snap); rocksdb_readoptions_set_snapshot(roptions, snap);
CheckGet(db, roptions, "foo", "hello"); CheckGet(db, roptions, "foo", "hello");
leveldb_readoptions_set_snapshot(roptions, NULL); rocksdb_readoptions_set_snapshot(roptions, NULL);
CheckGet(db, roptions, "foo", NULL); CheckGet(db, roptions, "foo", NULL);
leveldb_release_snapshot(db, snap); rocksdb_release_snapshot(db, snap);
} }
StartPhase("repair"); StartPhase("repair");
@ -320,44 +320,44 @@ int main(int argc, char** argv) {
// files (https://reviews.facebook.net/D6123) would leave // files (https://reviews.facebook.net/D6123) would leave
// around deleted files and the repair process will find // around deleted files and the repair process will find
// those files and put them back into the database. // those files and put them back into the database.
leveldb_compact_range(db, NULL, 0, NULL, 0); rocksdb_compact_range(db, NULL, 0, NULL, 0);
leveldb_close(db); rocksdb_close(db);
leveldb_options_set_create_if_missing(options, 0); rocksdb_options_set_create_if_missing(options, 0);
leveldb_options_set_error_if_exists(options, 0); rocksdb_options_set_error_if_exists(options, 0);
leveldb_repair_db(options, dbname, &err); rocksdb_repair_db(options, dbname, &err);
CheckNoError(err); CheckNoError(err);
db = leveldb_open(options, dbname, &err); db = rocksdb_open(options, dbname, &err);
CheckNoError(err); CheckNoError(err);
CheckGet(db, roptions, "foo", NULL); CheckGet(db, roptions, "foo", NULL);
CheckGet(db, roptions, "bar", NULL); CheckGet(db, roptions, "bar", NULL);
CheckGet(db, roptions, "box", "c"); CheckGet(db, roptions, "box", "c");
leveldb_options_set_create_if_missing(options, 1); rocksdb_options_set_create_if_missing(options, 1);
leveldb_options_set_error_if_exists(options, 1); rocksdb_options_set_error_if_exists(options, 1);
} }
StartPhase("filter"); StartPhase("filter");
for (run = 0; run < 2; run++) { for (run = 0; run < 2; run++) {
// First run uses custom filter, second run uses bloom filter // First run uses custom filter, second run uses bloom filter
CheckNoError(err); CheckNoError(err);
leveldb_filterpolicy_t* policy; rocksdb_filterpolicy_t* policy;
if (run == 0) { if (run == 0) {
policy = leveldb_filterpolicy_create( policy = rocksdb_filterpolicy_create(
NULL, FilterDestroy, FilterCreate, FilterKeyMatch, FilterName); NULL, FilterDestroy, FilterCreate, FilterKeyMatch, FilterName);
} else { } else {
policy = leveldb_filterpolicy_create_bloom(10); policy = rocksdb_filterpolicy_create_bloom(10);
} }
// Create new database // Create new database
leveldb_close(db); rocksdb_close(db);
leveldb_destroy_db(options, dbname, &err); rocksdb_destroy_db(options, dbname, &err);
leveldb_options_set_filter_policy(options, policy); rocksdb_options_set_filter_policy(options, policy);
db = leveldb_open(options, dbname, &err); db = rocksdb_open(options, dbname, &err);
CheckNoError(err); CheckNoError(err);
leveldb_put(db, woptions, "foo", 3, "foovalue", 8, &err); rocksdb_put(db, woptions, "foo", 3, "foovalue", 8, &err);
CheckNoError(err); CheckNoError(err);
leveldb_put(db, woptions, "bar", 3, "barvalue", 8, &err); rocksdb_put(db, woptions, "bar", 3, "barvalue", 8, &err);
CheckNoError(err); CheckNoError(err);
leveldb_compact_range(db, NULL, 0, NULL, 0); rocksdb_compact_range(db, NULL, 0, NULL, 0);
fake_filter_result = 1; fake_filter_result = 1;
CheckGet(db, roptions, "foo", "foovalue"); CheckGet(db, roptions, "foo", "foovalue");
@ -372,18 +372,18 @@ int main(int argc, char** argv) {
CheckGet(db, roptions, "foo", "foovalue"); CheckGet(db, roptions, "foo", "foovalue");
CheckGet(db, roptions, "bar", "barvalue"); CheckGet(db, roptions, "bar", "barvalue");
} }
leveldb_options_set_filter_policy(options, NULL); rocksdb_options_set_filter_policy(options, NULL);
leveldb_filterpolicy_destroy(policy); rocksdb_filterpolicy_destroy(policy);
} }
StartPhase("cleanup"); StartPhase("cleanup");
leveldb_close(db); rocksdb_close(db);
leveldb_options_destroy(options); rocksdb_options_destroy(options);
leveldb_readoptions_destroy(roptions); rocksdb_readoptions_destroy(roptions);
leveldb_writeoptions_destroy(woptions); rocksdb_writeoptions_destroy(woptions);
leveldb_cache_destroy(cache); rocksdb_cache_destroy(cache);
leveldb_comparator_destroy(cmp); rocksdb_comparator_destroy(cmp);
leveldb_env_destroy(env); rocksdb_env_destroy(env);
fprintf(stderr, "PASS\n"); fprintf(stderr, "PASS\n");
return 0; return 0;

238
include/rocksdb/c.h
Unescape View File

@ -54,171 +54,171 @@ extern "C" {
/* Exported types */ /* Exported types */
typedef struct leveldb_t leveldb_t; typedef struct rocksdb_t rocksdb_t;
typedef struct leveldb_cache_t leveldb_cache_t; typedef struct rocksdb_cache_t rocksdb_cache_t;
typedef struct leveldb_comparator_t leveldb_comparator_t; typedef struct rocksdb_comparator_t rocksdb_comparator_t;
typedef struct leveldb_env_t leveldb_env_t; typedef struct rocksdb_env_t rocksdb_env_t;
typedef struct leveldb_filelock_t leveldb_filelock_t; typedef struct rocksdb_filelock_t rocksdb_filelock_t;
typedef struct leveldb_filterpolicy_t leveldb_filterpolicy_t; typedef struct rocksdb_filterpolicy_t rocksdb_filterpolicy_t;
typedef struct leveldb_iterator_t leveldb_iterator_t; typedef struct rocksdb_iterator_t rocksdb_iterator_t;
typedef struct leveldb_logger_t leveldb_logger_t; typedef struct rocksdb_logger_t rocksdb_logger_t;
typedef struct leveldb_options_t leveldb_options_t; typedef struct rocksdb_options_t rocksdb_options_t;
typedef struct leveldb_randomfile_t leveldb_randomfile_t; typedef struct rocksdb_randomfile_t rocksdb_randomfile_t;
typedef struct leveldb_readoptions_t leveldb_readoptions_t; typedef struct rocksdb_readoptions_t rocksdb_readoptions_t;
typedef struct leveldb_seqfile_t leveldb_seqfile_t; typedef struct rocksdb_seqfile_t rocksdb_seqfile_t;
typedef struct leveldb_snapshot_t leveldb_snapshot_t; typedef struct rocksdb_snapshot_t rocksdb_snapshot_t;
typedef struct leveldb_writablefile_t leveldb_writablefile_t; typedef struct rocksdb_writablefile_t rocksdb_writablefile_t;
typedef struct leveldb_writebatch_t leveldb_writebatch_t; typedef struct rocksdb_writebatch_t rocksdb_writebatch_t;
typedef struct leveldb_writeoptions_t leveldb_writeoptions_t; typedef struct rocksdb_writeoptions_t rocksdb_writeoptions_t;
/* DB operations */ /* DB operations */
extern leveldb_t* leveldb_open( extern rocksdb_t* rocksdb_open(
const leveldb_options_t* options, const rocksdb_options_t* options,
const char* name, const char* name,
char** errptr); char** errptr);
extern void leveldb_close(leveldb_t* db); extern void rocksdb_close(rocksdb_t* db);
extern void leveldb_put( extern void rocksdb_put(
leveldb_t* db, rocksdb_t* db,
const leveldb_writeoptions_t* options, const rocksdb_writeoptions_t* options,
const char* key, size_t keylen, const char* key, size_t keylen,
const char* val, size_t vallen, const char* val, size_t vallen,
char** errptr); char** errptr);
extern void leveldb_delete( extern void rocksdb_delete(
leveldb_t* db, rocksdb_t* db,
const leveldb_writeoptions_t* options, const rocksdb_writeoptions_t* options,
const char* key, size_t keylen, const char* key, size_t keylen,
char** errptr); char** errptr);
extern void leveldb_write( extern void rocksdb_write(
leveldb_t* db, rocksdb_t* db,
const leveldb_writeoptions_t* options, const rocksdb_writeoptions_t* options,
leveldb_writebatch_t* batch, rocksdb_writebatch_t* batch,
char** errptr); char** errptr);
/* Returns NULL if not found. A malloc()ed array otherwise. /* Returns NULL if not found. A malloc()ed array otherwise.
Stores the length of the array in *vallen. */ Stores the length of the array in *vallen. */
extern char* leveldb_get( extern char* rocksdb_get(
leveldb_t* db, rocksdb_t* db,
const leveldb_readoptions_t* options, const rocksdb_readoptions_t* options,
const char* key, size_t keylen, const char* key, size_t keylen,
size_t* vallen, size_t* vallen,
char** errptr); char** errptr);
extern leveldb_iterator_t* leveldb_create_iterator( extern rocksdb_iterator_t* rocksdb_create_iterator(
leveldb_t* db, rocksdb_t* db,
const leveldb_readoptions_t* options); const rocksdb_readoptions_t* options);
extern const leveldb_snapshot_t* leveldb_create_snapshot( extern const rocksdb_snapshot_t* rocksdb_create_snapshot(
leveldb_t* db); rocksdb_t* db);
extern void leveldb_release_snapshot( extern void rocksdb_release_snapshot(
leveldb_t* db, rocksdb_t* db,
const leveldb_snapshot_t* snapshot); const rocksdb_snapshot_t* snapshot);
/* Returns NULL if property name is unknown. /* Returns NULL if property name is unknown.
Else returns a pointer to a malloc()-ed null-terminated value. */ Else returns a pointer to a malloc()-ed null-terminated value. */
extern char* leveldb_property_value( extern char* rocksdb_property_value(
leveldb_t* db, rocksdb_t* db,
const char* propname); const char* propname);
extern void leveldb_approximate_sizes( extern void rocksdb_approximate_sizes(
leveldb_t* db, rocksdb_t* db,
int num_ranges, int num_ranges,
const char* const* range_start_key, const size_t* range_start_key_len, const char* const* range_start_key, const size_t* range_start_key_len,
const char* const* range_limit_key, const size_t* range_limit_key_len, const char* const* range_limit_key, const size_t* range_limit_key_len,
uint64_t* sizes); uint64_t* sizes);
extern void leveldb_compact_range( extern void rocksdb_compact_range(
leveldb_t* db, rocksdb_t* db,
const char* start_key, size_t start_key_len, const char* start_key, size_t start_key_len,
const char* limit_key, size_t limit_key_len); const char* limit_key, size_t limit_key_len);
/* Management operations */ /* Management operations */
extern void leveldb_destroy_db( extern void rocksdb_destroy_db(
const leveldb_options_t* options, const rocksdb_options_t* options,
const char* name, const char* name,
char** errptr); char** errptr);
extern void leveldb_repair_db( extern void rocksdb_repair_db(
const leveldb_options_t* options, const rocksdb_options_t* options,
const char* name, const char* name,
char** errptr); char** errptr);
/* Iterator */ /* Iterator */
extern void leveldb_iter_destroy(leveldb_iterator_t*); extern void rocksdb_iter_destroy(rocksdb_iterator_t*);
extern unsigned char leveldb_iter_valid(const leveldb_iterator_t*); extern unsigned char rocksdb_iter_valid(const rocksdb_iterator_t*);
extern void leveldb_iter_seek_to_first(leveldb_iterator_t*); extern void rocksdb_iter_seek_to_first(rocksdb_iterator_t*);
extern void leveldb_iter_seek_to_last(leveldb_iterator_t*); extern void rocksdb_iter_seek_to_last(rocksdb_iterator_t*);
extern void leveldb_iter_seek(leveldb_iterator_t*, const char* k, size_t klen); extern void rocksdb_iter_seek(rocksdb_iterator_t*, const char* k, size_t klen);
extern void leveldb_iter_next(leveldb_iterator_t*); extern void rocksdb_iter_next(rocksdb_iterator_t*);
extern void leveldb_iter_prev(leveldb_iterator_t*); extern void rocksdb_iter_prev(rocksdb_iterator_t*);
extern const char* leveldb_iter_key(const leveldb_iterator_t*, size_t* klen); extern const char* rocksdb_iter_key(const rocksdb_iterator_t*, size_t* klen);
extern const char* leveldb_iter_value(const leveldb_iterator_t*, size_t* vlen); extern const char* rocksdb_iter_value(const rocksdb_iterator_t*, size_t* vlen);
extern void leveldb_iter_get_error(const leveldb_iterator_t*, char** errptr); extern void rocksdb_iter_get_error(const rocksdb_iterator_t*, char** errptr);
/* Write batch */ /* Write batch */
extern leveldb_writebatch_t* leveldb_writebatch_create(); extern rocksdb_writebatch_t* rocksdb_writebatch_create();
extern void leveldb_writebatch_destroy(leveldb_writebatch_t*); extern void rocksdb_writebatch_destroy(rocksdb_writebatch_t*);
extern void leveldb_writebatch_clear(leveldb_writebatch_t*); extern void rocksdb_writebatch_clear(rocksdb_writebatch_t*);
extern void leveldb_writebatch_put( extern void rocksdb_writebatch_put(
leveldb_writebatch_t*, rocksdb_writebatch_t*,
const char* key, size_t klen, const char* key, size_t klen,
const char* val, size_t vlen); const char* val, size_t vlen);
extern void leveldb_writebatch_delete( extern void rocksdb_writebatch_delete(
leveldb_writebatch_t*, rocksdb_writebatch_t*,
const char* key, size_t klen); const char* key, size_t klen);
extern void leveldb_writebatch_iterate( extern void rocksdb_writebatch_iterate(
leveldb_writebatch_t*, rocksdb_writebatch_t*,
void* state, void* state,
void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen), void (*put)(void*, const char* k, size_t klen, const char* v, size_t vlen),
void (*deleted)(void*, const char* k, size_t klen)); void (*deleted)(void*, const char* k, size_t klen));
/* Options */ /* Options */
extern leveldb_options_t* leveldb_options_create(); extern rocksdb_options_t* rocksdb_options_create();
extern void leveldb_options_destroy(leveldb_options_t*); extern void rocksdb_options_destroy(rocksdb_options_t*);
extern void leveldb_options_set_comparator( extern void rocksdb_options_set_comparator(
leveldb_options_t*, rocksdb_options_t*,
leveldb_comparator_t*); rocksdb_comparator_t*);
extern void leveldb_options_set_compression_per_level( extern void rocksdb_options_set_compression_per_level(
leveldb_options_t* opt, rocksdb_options_t* opt,
int* level_values, int* level_values,
size_t num_levels); size_t num_levels);
extern void leveldb_options_set_filter_policy( extern void rocksdb_options_set_filter_policy(
leveldb_options_t*, rocksdb_options_t*,
leveldb_filterpolicy_t*); rocksdb_filterpolicy_t*);
extern void leveldb_options_set_create_if_missing( extern void rocksdb_options_set_create_if_missing(
leveldb_options_t*, unsigned char); rocksdb_options_t*, unsigned char);
extern void leveldb_options_set_error_if_exists( extern void rocksdb_options_set_error_if_exists(
leveldb_options_t*, unsigned char); rocksdb_options_t*, unsigned char);
extern void leveldb_options_set_paranoid_checks( extern void rocksdb_options_set_paranoid_checks(
leveldb_options_t*, unsigned char); rocksdb_options_t*, unsigned char);
extern void leveldb_options_set_env(leveldb_options_t*, leveldb_env_t*); extern void rocksdb_options_set_env(rocksdb_options_t*, rocksdb_env_t*);
extern void leveldb_options_set_info_log(leveldb_options_t*, leveldb_logger_t*); extern void rocksdb_options_set_info_log(rocksdb_options_t*, rocksdb_logger_t*);
extern void leveldb_options_set_write_buffer_size(leveldb_options_t*, size_t); extern void rocksdb_options_set_write_buffer_size(rocksdb_options_t*, size_t);
extern void leveldb_options_set_max_open_files(leveldb_options_t*, int); extern void rocksdb_options_set_max_open_files(rocksdb_options_t*, int);
extern void leveldb_options_set_cache(leveldb_options_t*, leveldb_cache_t*); extern void rocksdb_options_set_cache(rocksdb_options_t*, rocksdb_cache_t*);
extern void leveldb_options_set_block_size(leveldb_options_t*, size_t); extern void rocksdb_options_set_block_size(rocksdb_options_t*, size_t);
extern void leveldb_options_set_block_restart_interval(leveldb_options_t*, int); extern void rocksdb_options_set_block_restart_interval(rocksdb_options_t*, int);
extern void leveldb_options_set_compression_options( extern void rocksdb_options_set_compression_options(
leveldb_options_t* opt, int w_bits, int level, int strategy); rocksdb_options_t* opt, int w_bits, int level, int strategy);
enum { enum {
leveldb_no_compression = 0, rocksdb_no_compression = 0,
leveldb_snappy_compression = 1 rocksdb_snappy_compression = 1
}; };
extern void leveldb_options_set_compression(leveldb_options_t*, int); extern void rocksdb_options_set_compression(rocksdb_options_t*, int);
/* Comparator */ /* Comparator */
extern leveldb_comparator_t* leveldb_comparator_create( extern rocksdb_comparator_t* rocksdb_comparator_create(
void* state, void* state,
void (*destructor)(void*), void (*destructor)(void*),
int (*compare)( int (*compare)(
@ -226,11 +226,11 @@ extern leveldb_comparator_t* leveldb_comparator_create(
const char* a, size_t alen, const char* a, size_t alen,
const char* b, size_t blen), const char* b, size_t blen),
const char* (*name)(void*)); const char* (*name)(void*));
extern void leveldb_comparator_destroy(leveldb_comparator_t*); extern void rocksdb_comparator_destroy(rocksdb_comparator_t*);
/* Filter policy */ /* Filter policy */
extern leveldb_filterpolicy_t* leveldb_filterpolicy_create( extern rocksdb_filterpolicy_t* rocksdb_filterpolicy_create(
void* state, void* state,
void (*destructor)(void*), void (*destructor)(void*),
char* (*create_filter)( char* (*create_filter)(
@ -243,40 +243,40 @@ extern leveldb_filterpolicy_t* leveldb_filterpolicy_create(
const char* key, size_t length, const char* key, size_t length,
const char* filter, size_t filter_length), const char* filter, size_t filter_length),
const char* (*name)(void*)); const char* (*name)(void*));
extern void leveldb_filterpolicy_destroy(leveldb_filterpolicy_t*); extern void rocksdb_filterpolicy_destroy(rocksdb_filterpolicy_t*);
extern leveldb_filterpolicy_t* leveldb_filterpolicy_create_bloom( extern rocksdb_filterpolicy_t* rocksdb_filterpolicy_create_bloom(
int bits_per_key); int bits_per_key);
/* Read options */ /* Read options */
extern leveldb_readoptions_t* leveldb_readoptions_create(); extern rocksdb_readoptions_t* rocksdb_readoptions_create();
extern void leveldb_readoptions_destroy(leveldb_readoptions_t*); extern void rocksdb_readoptions_destroy(rocksdb_readoptions_t*);
extern void leveldb_readoptions_set_verify_checksums( extern void rocksdb_readoptions_set_verify_checksums(
leveldb_readoptions_t*, rocksdb_readoptions_t*,
unsigned char); unsigned char);
extern void leveldb_readoptions_set_fill_cache( extern void rocksdb_readoptions_set_fill_cache(
leveldb_readoptions_t*, unsigned char); rocksdb_readoptions_t*, unsigned char);
extern void leveldb_readoptions_set_snapshot( extern void rocksdb_readoptions_set_snapshot(
leveldb_readoptions_t*, rocksdb_readoptions_t*,
const leveldb_snapshot_t*); const rocksdb_snapshot_t*);
/* Write options */ /* Write options */
extern leveldb_writeoptions_t* leveldb_writeoptions_create(); extern rocksdb_writeoptions_t* rocksdb_writeoptions_create();
extern void leveldb_writeoptions_destroy(leveldb_writeoptions_t*); extern void rocksdb_writeoptions_destroy(rocksdb_writeoptions_t*);
extern void leveldb_writeoptions_set_sync( extern void rocksdb_writeoptions_set_sync(
leveldb_writeoptions_t*, unsigned char); rocksdb_writeoptions_t*, unsigned char);
/* Cache */ /* Cache */
extern leveldb_cache_t* leveldb_cache_create_lru(size_t capacity); extern rocksdb_cache_t* rocksdb_cache_create_lru(size_t capacity);
extern void leveldb_cache_destroy(leveldb_cache_t* cache); extern void rocksdb_cache_destroy(rocksdb_cache_t* cache);
/* Env */ /* Env */
extern leveldb_env_t* leveldb_create_default_env(); extern rocksdb_env_t* rocksdb_create_default_env();
extern void leveldb_env_destroy(leveldb_env_t*); extern void rocksdb_env_destroy(rocksdb_env_t*);
#ifdef __cplusplus #ifdef __cplusplus
} /* end extern "C" */ } /* end extern "C" */

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