diff --git a/.gitignore b/.gitignore index 4fc9764..aabca7b 100644 --- a/.gitignore +++ b/.gitignore @@ -3,3 +3,7 @@ target Cargo.lock *.orig +*.bk +_rust_rocksdb* +*rlib +tags diff --git a/rustfmt.toml b/rustfmt.toml new file mode 100644 index 0000000..03305b3 --- /dev/null +++ b/rustfmt.toml @@ -0,0 +1,3 @@ +reorder_imports = true +max_width = 80 +ideal_width = 80 diff --git a/src/comparator.rs b/src/comparator.rs index fb41676..27affa6 100644 --- a/src/comparator.rs +++ b/src/comparator.rs @@ -1,18 +1,18 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// extern crate libc; use self::libc::{c_char, c_int, c_void, size_t}; use std::ffi::CString; @@ -30,7 +30,7 @@ pub struct ComparatorCallback { pub extern "C" fn destructor_callback(raw_cb: *mut c_void) { // turn this back into a local variable so rust will reclaim it - let _: Box = unsafe {mem::transmute(raw_cb)}; + let _: Box = unsafe { mem::transmute(raw_cb) }; } pub extern "C" fn name_callback(raw_cb: *mut c_void) -> *const c_char { @@ -51,8 +51,10 @@ pub extern "C" fn compare_callback(raw_cb: *mut c_void, unsafe { let cb: &mut ComparatorCallback = &mut *(raw_cb as *mut ComparatorCallback); - let a: &[u8] = slice::from_raw_parts(a_raw as *const u8, a_len as usize); - let b: &[u8] = slice::from_raw_parts(b_raw as *const u8, b_len as usize); + let a: &[u8] = slice::from_raw_parts(a_raw as *const u8, + a_len as usize); + let b: &[u8] = slice::from_raw_parts(b_raw as *const u8, + b_len as usize); (cb.f)(a, b) } } @@ -67,9 +69,9 @@ fn test_reverse_compare(a: &[u8], b: &[u8]) -> c_int { } } -//#[allow(dead_code)] -//#[test] -//fn compare_works() { +// #[allow(dead_code)] +// #[test] +// fn compare_works() { // let path = "_rust_rocksdb_comparetest"; // let mut opts = Options::new(); // opts.create_if_missing(true); @@ -79,4 +81,4 @@ fn test_reverse_compare(a: &[u8], b: &[u8]) -> c_int { // // TODO add interesting test // } // assert!(DB::destroy(&opts, path).is_ok()); -//} +// } diff --git a/src/ffi.rs b/src/ffi.rs index 44d57e2..4b12fc5 100644 --- a/src/ffi.rs +++ b/src/ffi.rs @@ -1,21 +1,21 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// extern crate libc; use self::libc::{c_char, c_int, c_void, size_t}; -use std::ffi::{CString, CStr}; +use std::ffi::{CStr, CString}; use std::str::from_utf8; #[derive(Copy, Clone)] @@ -59,15 +59,11 @@ pub struct DBWriteBatch(pub *const c_void); pub struct DBComparator(pub *const c_void); pub fn new_bloom_filter(bits: c_int) -> DBFilterPolicy { - unsafe { - rocksdb_filterpolicy_create_bloom(bits) - } + unsafe { rocksdb_filterpolicy_create_bloom(bits) } } pub fn new_cache(capacity: size_t) -> DBCache { - unsafe { - rocksdb_cache_create_lru(capacity) - } + unsafe { rocksdb_cache_create_lru(capacity) } } #[repr(C)] @@ -96,13 +92,14 @@ pub enum DBUniversalCompactionStyle { pub fn error_message(ptr: *const i8) -> String { let c_str = unsafe { CStr::from_ptr(ptr) }; let s = from_utf8(c_str.to_bytes()).unwrap().to_owned(); - unsafe{ + unsafe { libc::free(ptr as *mut libc::c_void); } s } -//TODO audit the use of boolean arguments, b/c I think they need to be u8 instead... +// TODO audit the use of boolean arguments, b/c I think they need to be u8 +// instead... #[link(name = "rocksdb")] extern { pub fn rocksdb_options_create() -> DBOptions; @@ -135,151 +132,155 @@ extern { pub fn rocksdb_options_set_block_based_table_factory( options: DBOptions, block_options: DBBlockBasedTableOptions); - pub fn rocksdb_options_increase_parallelism( - options: DBOptions, threads: c_int); + pub fn rocksdb_options_increase_parallelism(options: DBOptions, + threads: c_int); pub fn rocksdb_options_optimize_level_style_compaction( options: DBOptions, memtable_memory_budget: c_int); - pub fn rocksdb_options_set_create_if_missing( - options: DBOptions, v: bool); - pub fn rocksdb_options_set_max_open_files( - options: DBOptions, files: c_int); - pub fn rocksdb_options_set_use_fsync( - options: DBOptions, v: c_int); - pub fn rocksdb_options_set_bytes_per_sync( - options: DBOptions, bytes: u64); - pub fn rocksdb_options_set_disable_data_sync( - options: DBOptions, v: c_int); - pub fn rocksdb_options_optimize_for_point_lookup( - options: DBOptions, block_cache_size_mb: u64); - pub fn rocksdb_options_set_table_cache_numshardbits( - options: DBOptions, bits: c_int); - pub fn rocksdb_options_set_max_write_buffer_number( - options: DBOptions, bufno: c_int); + pub fn rocksdb_options_set_create_if_missing(options: DBOptions, v: bool); + pub fn rocksdb_options_set_max_open_files(options: DBOptions, + files: c_int); + pub fn rocksdb_options_set_use_fsync(options: DBOptions, v: c_int); + pub fn rocksdb_options_set_bytes_per_sync(options: DBOptions, bytes: u64); + pub fn rocksdb_options_set_disable_data_sync(options: DBOptions, + v: c_int); + pub fn rocksdb_options_optimize_for_point_lookup(options: DBOptions, + block_cache_size_mb: u64); + pub fn rocksdb_options_set_table_cache_numshardbits(options: DBOptions, + bits: c_int); + pub fn rocksdb_options_set_max_write_buffer_number(options: DBOptions, + bufno: c_int); pub fn rocksdb_options_set_min_write_buffer_number_to_merge( options: DBOptions, bufno: c_int); pub fn rocksdb_options_set_level0_file_num_compaction_trigger( options: DBOptions, no: c_int); pub fn rocksdb_options_set_level0_slowdown_writes_trigger( options: DBOptions, no: c_int); - pub fn rocksdb_options_set_level0_stop_writes_trigger( - options: DBOptions, no: c_int); - pub fn rocksdb_options_set_write_buffer_size( - options: DBOptions, bytes: u64); - pub fn rocksdb_options_set_target_file_size_base( - options: DBOptions, bytes: u64); - pub fn rocksdb_options_set_target_file_size_multiplier( - options: DBOptions, mul: c_int); - pub fn rocksdb_options_set_max_log_file_size( - options: DBOptions, bytes: u64); - pub fn rocksdb_options_set_max_manifest_file_size( - options: DBOptions, bytes: u64); - pub fn rocksdb_options_set_hash_skip_list_rep( - options: DBOptions, bytes: u64, a1: i32, a2: i32); - pub fn rocksdb_options_set_compaction_style( - options: DBOptions, cs: DBCompactionStyle); - pub fn rocksdb_options_set_compression( - options: DBOptions, compression_style_no: c_int); + pub fn rocksdb_options_set_level0_stop_writes_trigger(options: DBOptions, + no: c_int); + pub fn rocksdb_options_set_write_buffer_size(options: DBOptions, + bytes: u64); + pub fn rocksdb_options_set_target_file_size_base(options: DBOptions, + bytes: u64); + pub fn rocksdb_options_set_target_file_size_multiplier(options: DBOptions, + mul: c_int); + pub fn rocksdb_options_set_max_log_file_size(options: DBOptions, + bytes: u64); + pub fn rocksdb_options_set_max_manifest_file_size(options: DBOptions, + bytes: u64); + pub fn rocksdb_options_set_hash_skip_list_rep(options: DBOptions, + bytes: u64, + a1: i32, + a2: i32); + pub fn rocksdb_options_set_compaction_style(options: DBOptions, + cs: DBCompactionStyle); + pub fn rocksdb_options_set_compression(options: DBOptions, + compression_style_no: c_int); pub fn rocksdb_options_set_max_background_compactions( options: DBOptions, max_bg_compactions: c_int); - pub fn rocksdb_options_set_max_background_flushes( - options: DBOptions, max_bg_flushes: c_int); - pub fn rocksdb_options_set_filter_deletes( - options: DBOptions, v: bool); - pub fn rocksdb_options_set_disable_auto_compactions( - options: DBOptions, v: c_int); - pub fn rocksdb_filterpolicy_create_bloom( - bits_per_key: c_int) -> DBFilterPolicy; + pub fn rocksdb_options_set_max_background_flushes(options: DBOptions, + max_bg_flushes: c_int); + pub fn rocksdb_options_set_filter_deletes(options: DBOptions, v: bool); + pub fn rocksdb_options_set_disable_auto_compactions(options: DBOptions, + v: c_int); + pub fn rocksdb_filterpolicy_create_bloom(bits_per_key: c_int) + -> DBFilterPolicy; pub fn rocksdb_open(options: DBOptions, path: *const i8, - err: *mut *const i8 - ) -> DBInstance; + err: *mut *const i8) + -> DBInstance; pub fn rocksdb_writeoptions_create() -> DBWriteOptions; pub fn rocksdb_writeoptions_destroy(writeopts: DBWriteOptions); pub fn rocksdb_put(db: DBInstance, writeopts: DBWriteOptions, - k: *const u8, kLen: size_t, - v: *const u8, vLen: size_t, + k: *const u8, + kLen: size_t, + v: *const u8, + vLen: size_t, err: *mut *const i8); pub fn rocksdb_put_cf(db: DBInstance, - writeopts: DBWriteOptions, - cf: DBCFHandle, - k: *const u8, kLen: size_t, - v: *const u8, vLen: size_t, - err: *mut *const i8); + writeopts: DBWriteOptions, + cf: DBCFHandle, + k: *const u8, + kLen: size_t, + v: *const u8, + vLen: size_t, + err: *mut *const i8); pub fn rocksdb_readoptions_create() -> DBReadOptions; pub fn rocksdb_readoptions_destroy(readopts: DBReadOptions); - pub fn rocksdb_readoptions_set_verify_checksums( - readopts: DBReadOptions, - v: bool); - pub fn rocksdb_readoptions_set_fill_cache( - readopts: DBReadOptions, - v: bool); - pub fn rocksdb_readoptions_set_snapshot( - readopts: DBReadOptions, - snapshot: DBSnapshot); //TODO how do I make this a const ref? - pub fn rocksdb_readoptions_set_iterate_upper_bound( - readopts: DBReadOptions, - k: *const u8, - kLen: size_t); - pub fn rocksdb_readoptions_set_read_tier( - readopts: DBReadOptions, - tier: c_int); - pub fn rocksdb_readoptions_set_tailing( - readopts: DBReadOptions, - v: bool); + pub fn rocksdb_readoptions_set_verify_checksums(readopts: DBReadOptions, + v: bool); + pub fn rocksdb_readoptions_set_fill_cache(readopts: DBReadOptions, + v: bool); + pub fn rocksdb_readoptions_set_snapshot(readopts: DBReadOptions, + snapshot: DBSnapshot); //TODO how do I make this a const ref? + pub fn rocksdb_readoptions_set_iterate_upper_bound(readopts: DBReadOptions, + k: *const u8, + kLen: size_t); + pub fn rocksdb_readoptions_set_read_tier(readopts: DBReadOptions, + tier: c_int); + pub fn rocksdb_readoptions_set_tailing(readopts: DBReadOptions, v: bool); pub fn rocksdb_get(db: DBInstance, readopts: DBReadOptions, - k: *const u8, kLen: size_t, + k: *const u8, + kLen: size_t, valLen: *const size_t, - err: *mut *const i8 - ) -> *mut c_void; + err: *mut *const i8) + -> *mut c_void; pub fn rocksdb_get_cf(db: DBInstance, - readopts: DBReadOptions, - cf_handle: DBCFHandle, - k: *const u8, kLen: size_t, - valLen: *const size_t, - err: *mut *const i8 - ) -> *mut c_void; + readopts: DBReadOptions, + cf_handle: DBCFHandle, + k: *const u8, + kLen: size_t, + valLen: *const size_t, + err: *mut *const i8) + -> *mut c_void; pub fn rocksdb_create_iterator(db: DBInstance, - readopts: DBReadOptions - ) -> DBIterator; + readopts: DBReadOptions) + -> DBIterator; pub fn rocksdb_create_iterator_cf(db: DBInstance, readopts: DBReadOptions, - cf_handle: DBCFHandle - ) -> DBIterator; + cf_handle: DBCFHandle) + -> DBIterator; pub fn rocksdb_create_snapshot(db: DBInstance) -> DBSnapshot; - pub fn rocksdb_release_snapshot(db: DBInstance, - snapshot: DBSnapshot); + pub fn rocksdb_release_snapshot(db: DBInstance, snapshot: DBSnapshot); pub fn rocksdb_delete(db: DBInstance, writeopts: DBWriteOptions, - k: *const u8, kLen: size_t, - err: *mut *const i8 - ) -> *mut c_void; + k: *const u8, + kLen: size_t, + err: *mut *const i8) + -> *mut c_void; pub fn rocksdb_delete_cf(db: DBInstance, writeopts: DBWriteOptions, cf: DBCFHandle, - k: *const u8, kLen: size_t, - err: *mut *const i8 - ) -> *mut c_void; + k: *const u8, + kLen: size_t, + err: *mut *const i8) + -> *mut c_void; pub fn rocksdb_close(db: DBInstance); pub fn rocksdb_destroy_db(options: DBOptions, - path: *const i8, err: *mut *const i8); + path: *const i8, + err: *mut *const i8); pub fn rocksdb_repair_db(options: DBOptions, - path: *const i8, err: *mut *const i8); + path: *const i8, + err: *mut *const i8); // Merge pub fn rocksdb_merge(db: DBInstance, writeopts: DBWriteOptions, - k: *const u8, kLen: size_t, - v: *const u8, vLen: size_t, + k: *const u8, + kLen: size_t, + v: *const u8, + vLen: size_t, err: *mut *const i8); pub fn rocksdb_merge_cf(db: DBInstance, - writeopts: DBWriteOptions, - cf: DBCFHandle, - k: *const u8, kLen: size_t, - v: *const u8, vLen: size_t, - err: *mut *const i8); + writeopts: DBWriteOptions, + cf: DBCFHandle, + k: *const u8, + kLen: size_t, + v: *const u8, + vLen: size_t, + err: *mut *const i8); pub fn rocksdb_mergeoperator_create( state: *mut c_void, destroy: extern fn(*mut c_void) -> (), @@ -313,50 +314,53 @@ extern { pub fn rocksdb_iter_valid(iter: DBIterator) -> bool; pub fn rocksdb_iter_seek_to_first(iter: DBIterator); pub fn rocksdb_iter_seek_to_last(iter: DBIterator); - pub fn rocksdb_iter_seek(iter: DBIterator, - key: *const u8, klen: size_t); + pub fn rocksdb_iter_seek(iter: DBIterator, key: *const u8, klen: size_t); pub fn rocksdb_iter_next(iter: DBIterator); pub fn rocksdb_iter_prev(iter: DBIterator); - pub fn rocksdb_iter_key(iter: DBIterator, - klen: *mut size_t) -> *mut u8; - pub fn rocksdb_iter_value(iter: DBIterator, - vlen: *mut size_t) -> *mut u8; - pub fn rocksdb_iter_get_error(iter: DBIterator, - err: *mut *const u8); + pub fn rocksdb_iter_key(iter: DBIterator, klen: *mut size_t) -> *mut u8; + pub fn rocksdb_iter_value(iter: DBIterator, vlen: *mut size_t) -> *mut u8; + pub fn rocksdb_iter_get_error(iter: DBIterator, err: *mut *const u8); // Write batch pub fn rocksdb_write(db: DBInstance, writeopts: DBWriteOptions, - batch : DBWriteBatch, + batch: DBWriteBatch, err: *mut *const i8); pub fn rocksdb_writebatch_create() -> DBWriteBatch; pub fn rocksdb_writebatch_create_from(rep: *const u8, - size: size_t) -> DBWriteBatch; + size: size_t) + -> DBWriteBatch; pub fn rocksdb_writebatch_destroy(batch: DBWriteBatch); pub fn rocksdb_writebatch_clear(batch: DBWriteBatch); pub fn rocksdb_writebatch_count(batch: DBWriteBatch) -> c_int; pub fn rocksdb_writebatch_put(batch: DBWriteBatch, - key: *const u8, klen: size_t, - val: *const u8, vlen: size_t); + key: *const u8, + klen: size_t, + val: *const u8, + vlen: size_t); pub fn rocksdb_writebatch_put_cf(batch: DBWriteBatch, cf: DBCFHandle, - key: *const u8, klen: size_t, - val: *const u8, vlen: size_t); - pub fn rocksdb_writebatch_merge( - batch: DBWriteBatch, - key: *const u8, klen: size_t, - val: *const u8, vlen: size_t); - pub fn rocksdb_writebatch_merge_cf( - batch: DBWriteBatch, - cf: DBCFHandle, - key: *const u8, klen: size_t, - val: *const u8, vlen: size_t); - pub fn rocksdb_writebatch_delete( - batch: DBWriteBatch, - key: *const u8, klen: size_t); - pub fn rocksdb_writebatch_delete_cf( - batch: DBWriteBatch, - cf: DBCFHandle, - key: *const u8, klen: size_t); + key: *const u8, + klen: size_t, + val: *const u8, + vlen: size_t); + pub fn rocksdb_writebatch_merge(batch: DBWriteBatch, + key: *const u8, + klen: size_t, + val: *const u8, + vlen: size_t); + pub fn rocksdb_writebatch_merge_cf(batch: DBWriteBatch, + cf: DBCFHandle, + key: *const u8, + klen: size_t, + val: *const u8, + vlen: size_t); + pub fn rocksdb_writebatch_delete(batch: DBWriteBatch, + key: *const u8, + klen: size_t); + pub fn rocksdb_writebatch_delete_cf(batch: DBWriteBatch, + cf: DBCFHandle, + key: *const u8, + klen: size_t); pub fn rocksdb_writebatch_iterate( batch: DBWriteBatch, state: *mut c_void, @@ -366,7 +370,8 @@ extern { deleted_fn: extern fn(state: *mut c_void, k: *const u8, klen: size_t)); pub fn rocksdb_writebatch_data(batch: DBWriteBatch, - size: *mut size_t) -> *const u8; + size: *mut size_t) + -> *const u8; // Comparator pub fn rocksdb_options_set_comparator(options: DBOptions, @@ -394,8 +399,8 @@ extern { pub fn rocksdb_create_column_family(db: DBInstance, column_family_options: DBOptions, column_family_name: *const i8, - err: *mut *const i8 - ) -> DBCFHandle; + err: *mut *const i8) + -> DBCFHandle; pub fn rocksdb_drop_column_family(db: DBInstance, column_family_handle: DBCFHandle, err: *mut *const i8); @@ -430,7 +435,13 @@ fn internal() { let key = b"name\x00"; let val = b"spacejam\x00"; - rocksdb_put(db, writeopts.clone(), key.as_ptr(), 4, val.as_ptr(), 8, err_ptr); + rocksdb_put(db, + writeopts.clone(), + key.as_ptr(), + 4, + val.as_ptr(), + 8, + err_ptr); rocksdb_writeoptions_destroy(writeopts); assert!(err.is_null()); @@ -439,7 +450,12 @@ fn internal() { let val_len: size_t = 0; let val_len_ptr = &val_len as *const size_t; - rocksdb_get(db, readopts.clone(), key.as_ptr(), 4, val_len_ptr, err_ptr); + rocksdb_get(db, + readopts.clone(), + key.as_ptr(), + 4, + val_len_ptr, + err_ptr); rocksdb_readoptions_destroy(readopts); assert!(err.is_null()); rocksdb_close(db); diff --git a/src/lib.rs b/src/lib.rs index bdbb56f..3443657 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1,22 +1,22 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// pub use ffi as rocksdb_ffi; -pub use ffi::{new_bloom_filter, DBCompactionStyle, DBComparator}; -pub use rocksdb::{DB, DBVector, WriteBatch, Writable, Direction}; -pub use rocksdb_options::{Options, BlockBasedOptions}; +pub use ffi::{DBCompactionStyle, DBComparator, new_bloom_filter}; +pub use rocksdb::{DB, DBVector, Direction, Writable, WriteBatch}; +pub use rocksdb_options::{BlockBasedOptions, Options}; pub use merge_operator::MergeOperands; pub mod rocksdb; pub mod ffi; diff --git a/src/main.rs b/src/main.rs index 0de0e57..b82068d 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,22 +1,22 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// extern crate rocksdb; -use rocksdb::{Options, DB, MergeOperands, Writable, }; +use rocksdb::{DB, MergeOperands, Options, Writable}; -//fn snapshot_test() { +// fn snapshot_test() { // let path = "_rust_rocksdb_iteratortest"; // { // let mut db = DB::open_default(path).unwrap(); @@ -30,18 +30,21 @@ use rocksdb::{Options, DB, MergeOperands, Writable, }; // let mut view1 = snap.iterator(); // println!("See the output of the first iter"); // for (k,v) in view1.from_start() { -// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); +// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), +// std::str::from_utf8(v).unwrap()); // }; // for (k,v) in view1.from_start() { -// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); +// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), +// std::str::from_utf8(v).unwrap()); // }; // for (k,v) in view1.from_end() { -// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), std::str::from_utf8(v).unwrap()); +// println!("Hello {}: {}", std::str::from_utf8(k).unwrap(), +// std::str::from_utf8(v).unwrap()); // }; // } // let opts = Options::new(); // assert!(DB::destroy(&opts, path).is_ok()); -//} +// } #[cfg(not(feature = "valgrind"))] fn main() { @@ -51,12 +54,10 @@ fn main() { match db.get(b"my key") { Ok(Some(value)) => { match value.to_utf8() { - Some(v) => - println!("retrieved utf8 value: {}", v), - None => - println!("did not read valid utf-8 out of the db"), + Some(v) => println!("retrieved utf8 value: {}", v), + None => println!("did not read valid utf-8 out of the db"), } - }, + } Err(e) => println!("error retrieving value: {}", e), _ => panic!("value not present!"), } @@ -66,8 +67,10 @@ fn main() { custom_merge(); } -fn concat_merge(_: &[u8], existing_val: Option<&[u8]>, - operands: &mut MergeOperands) -> Vec { +fn concat_merge(_: &[u8], + existing_val: Option<&[u8]>, + operands: &mut MergeOperands) + -> Vec { let mut result: Vec = Vec::with_capacity(operands.size_hint().0); match existing_val { Some(v) => for e in v { @@ -99,10 +102,8 @@ fn custom_merge() { match db.get(b"k1") { Ok(Some(value)) => { match value.to_utf8() { - Some(v) => - println!("retrieved utf8 value: {}", v), - None => - println!("did not read valid utf-8 out of the db"), + Some(v) => println!("retrieved utf8 value: {}", v), + None => println!("did not read valid utf-8 out of the db"), } } Err(e) => println!("error retrieving value: {}", e), @@ -126,13 +127,14 @@ fn main() { db.merge(b"k1", b"d"); db.merge(b"k1", b"efg"); db.merge(b"k1", b"h"); - db.get(b"k1").map( |value| { - match value.to_utf8() { - Some(v) => (), - None => panic!("value corrupted"), - } - }) - .or_else( |e| { panic!("error retrieving value: {}", e) }); + db.get(b"k1") + .map(|value| { + match value.to_utf8() { + Some(v) => (), + None => panic!("value corrupted"), + } + }) + .or_else(|e| panic!("error retrieving value: {}", e)); db.delete(b"k1"); } } @@ -142,10 +144,14 @@ fn main() { mod tests { use std::thread::sleep_ms; - use rocksdb::{BlockBasedOptions, Options, DB, MergeOperands, new_bloom_filter, Writable }; + use rocksdb::{BlockBasedOptions, DB, MergeOperands, Options, Writable, + new_bloom_filter}; use rocksdb::DBCompactionStyle::DBUniversalCompaction; - fn tuned_for_somebody_elses_disk(path: &str, opts: & mut Options, blockopts: &mut BlockBasedOptions) -> DB { + fn tuned_for_somebody_elses_disk(path: &str, + opts: &mut Options, + blockopts: &mut BlockBasedOptions) + -> DB { opts.create_if_missing(true); opts.set_max_open_files(10000); opts.set_use_fsync(false); @@ -168,44 +174,44 @@ mod tests { opts.set_disable_auto_compactions(true); let filter = new_bloom_filter(10); - //opts.set_filter(filter); + // opts.set_filter(filter); DB::open(&opts, path).unwrap() } - - /* TODO(tyler) unstable - #[bench] - fn a_writes(b: &mut Bencher) { - // dirty hack due to parallel tests causing contention. - sleep_ms(1000); - let path = "_rust_rocksdb_optimizetest"; - let mut opts = Options::new(); - let mut blockopts = BlockBasedOptions::new(); - let mut db = tuned_for_somebody_elses_disk(path, &mut opts, &mut blockopts); - let mut i = 0 as u64; - b.iter(|| { - db.put(i.to_string().as_bytes(), b"v1111"); - i += 1; - }); - } - #[bench] - fn b_reads(b: &mut Bencher) { - let path = "_rust_rocksdb_optimizetest"; - let mut opts = Options::new(); - let mut blockopts = BlockBasedOptions::new(); - { - let db = tuned_for_somebody_elses_disk(path, &mut opts, &mut blockopts); - let mut i = 0 as u64; - b.iter(|| { - db.get(i.to_string().as_bytes()).on_error( |e| { - println!("error: {}", e); - e - }); - i += 1; - }); - } - DB::destroy(&opts, path).is_ok(); - } - */ +// TODO(tyler) unstable +// #[bench] +// fn a_writes(b: &mut Bencher) { +// dirty hack due to parallel tests causing contention. +// sleep_ms(1000); +// let path = "_rust_rocksdb_optimizetest"; +// let mut opts = Options::new(); +// let mut blockopts = BlockBasedOptions::new(); +// let mut db = tuned_for_somebody_elses_disk(path, &mut opts, &mut blockopts); +// let mut i = 0 as u64; +// b.iter(|| { +// db.put(i.to_string().as_bytes(), b"v1111"); +// i += 1; +// }); +// } +// +// #[bench] +// fn b_reads(b: &mut Bencher) { +// let path = "_rust_rocksdb_optimizetest"; +// let mut opts = Options::new(); +// let mut blockopts = BlockBasedOptions::new(); +// { +// let db = tuned_for_somebody_elses_disk(path, &mut opts, &mut blockopts); +// let mut i = 0 as u64; +// b.iter(|| { +// db.get(i.to_string().as_bytes()).on_error( |e| { +// println!("error: {}", e); +// e +// }); +// i += 1; +// }); +// } +// DB::destroy(&opts, path).is_ok(); +// } +// } diff --git a/src/merge_operator.rs b/src/merge_operator.rs index 4b863aa..972bc9a 100644 --- a/src/merge_operator.rs +++ b/src/merge_operator.rs @@ -1,18 +1,18 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// extern crate libc; use self::libc::{c_char, c_int, c_void, size_t}; use std::ffi::CString; @@ -30,7 +30,7 @@ pub struct MergeOperatorCallback { pub extern "C" fn destructor_callback(raw_cb: *mut c_void) { // turn this back into a local variable so rust will reclaim it - let _: Box = unsafe {mem::transmute(raw_cb)}; + let _: Box = unsafe { mem::transmute(raw_cb) }; } @@ -57,17 +57,16 @@ pub extern "C" fn full_merge_callback(raw_cb: *mut c_void, unsafe { let cb: &mut MergeOperatorCallback = &mut *(raw_cb as *mut MergeOperatorCallback); - let operands = - &mut MergeOperands::new(operands_list, - operands_list_len, - num_operands); - let key: &[u8] = slice::from_raw_parts(raw_key as *const u8, key_len as usize); + let operands = &mut MergeOperands::new(operands_list, + operands_list_len, + num_operands); + let key: &[u8] = slice::from_raw_parts(raw_key as *const u8, + key_len as usize); let oldval: &[u8] = slice::from_raw_parts(existing_value as *const u8, - existing_value_len as usize); - let mut result = - (cb.merge_fn)(key, Some(oldval), operands); + existing_value_len as usize); + let mut result = (cb.merge_fn)(key, Some(oldval), operands); result.shrink_to_fit(); - //TODO(tan) investigate zero-copy techniques to improve performance + // TODO(tan) investigate zero-copy techniques to improve performance let buf = libc::malloc(result.len() as size_t); assert!(!buf.is_null()); *new_value_length = result.len() as size_t; @@ -92,10 +91,11 @@ pub extern "C" fn partial_merge_callback(raw_cb: *mut c_void, let operands = &mut MergeOperands::new(operands_list, operands_list_len, num_operands); - let key: &[u8] = slice::from_raw_parts(raw_key as *const u8, key_len as usize); + let key: &[u8] = slice::from_raw_parts(raw_key as *const u8, + key_len as usize); let mut result = (cb.merge_fn)(key, None, operands); result.shrink_to_fit(); - //TODO(tan) investigate zero-copy techniques to improve performance + // TODO(tan) investigate zero-copy techniques to improve performance let buf = libc::malloc(result.len() as size_t); assert!(!buf.is_null()); *new_value_length = 1 as size_t; @@ -168,7 +168,7 @@ fn test_provided_merge(new_key: &[u8], for e in v { result.push(*e); } - }, + } None => (), } for op in operands { @@ -199,13 +199,13 @@ fn mergetest() { match db.get(b"k1") { Ok(Some(value)) => { match value.to_utf8() { - Some(v) => - println!("retrieved utf8 value: {}", v), - None => - println!("did not read valid utf-8 out of the db"), + Some(v) => println!("retrieved utf8 value: {}", v), + None => println!("did not read valid utf-8 out of the db"), } - }, - Err(e) => { println!("error reading value")}, + } + Err(e) => { + println!("error reading value") + } _ => panic!("value not present"), } diff --git a/src/rocksdb.rs b/src/rocksdb.rs index 0a06fc1..d142d04 100644 --- a/src/rocksdb.rs +++ b/src/rocksdb.rs @@ -1,23 +1,23 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// extern crate libc; use std::collections::BTreeMap; -use std::ffi::{CString, CStr}; +use std::ffi::{CStr, CString}; use std::fs; use std::io; use std::ops::Deref; @@ -87,12 +87,21 @@ impl <'a> Iterator for SubDBIterator<'a> { let key_len_ptr: *mut size_t = &mut key_len; let mut val_len: size_t = 0; let val_len_ptr: *mut size_t = &mut val_len; - let key_ptr = unsafe { rocksdb_ffi::rocksdb_iter_key(native_iter, key_len_ptr) }; - let key = unsafe { slice::from_raw_parts(key_ptr, key_len as usize) }; - let val_ptr = unsafe { rocksdb_ffi::rocksdb_iter_value(native_iter, val_len_ptr) }; - let val = unsafe { slice::from_raw_parts(val_ptr, val_len as usize) }; - - Some((key.to_vec().into_boxed_slice(),val.to_vec().into_boxed_slice())) + let key_ptr = unsafe { + rocksdb_ffi::rocksdb_iter_key(native_iter, key_len_ptr) + }; + let key = unsafe { + slice::from_raw_parts(key_ptr, key_len as usize) + }; + let val_ptr = unsafe { + rocksdb_ffi::rocksdb_iter_value(native_iter, val_len_ptr) + }; + let val = unsafe { + slice::from_raw_parts(val_ptr, val_len as usize) + }; + + Some((key.to_vec().into_boxed_slice(), + val.to_vec().into_boxed_slice())) } else { None } @@ -100,26 +109,41 @@ impl <'a> Iterator for SubDBIterator<'a> { } impl DBIterator { -//TODO alias db & opts to different lifetimes, and DBIterator to the db's lifetime + // TODO alias db & opts to different lifetimes, and DBIterator to the db's + // lifetime fn new(db: &DB, readopts: &ReadOptions) -> DBIterator { unsafe { - let iterator = rocksdb_ffi::rocksdb_create_iterator(db.inner, readopts.inner); + let iterator = rocksdb_ffi::rocksdb_create_iterator(db.inner, + readopts.inner); rocksdb_ffi::rocksdb_iter_seek_to_first(iterator); - DBIterator{ inner: iterator, direction: Direction::forward, just_seeked: true } + DBIterator { + inner: iterator, + direction: Direction::forward, + just_seeked: true, + } } } - fn new_cf(db: &DB, cf_name: &str, readopts: &ReadOptions) -> Result { + fn new_cf(db: &DB, + cf_name: &str, + readopts: &ReadOptions) + -> Result { let cf = db.cfs.get(cf_name); if cf.is_none() { - return Err(format!("Invalid column family: {}", cf_name).to_string()); + return Err(format!("Invalid column family: {}", cf_name) + .to_string()); } unsafe { - let iterator = rocksdb_ffi::rocksdb_create_iterator_cf(db.inner, - readopts.inner, - *cf.unwrap()); + let iterator = + rocksdb_ffi::rocksdb_create_iterator_cf(db.inner, + readopts.inner, + *cf.unwrap()); rocksdb_ffi::rocksdb_iter_seek_to_first(iterator); - Ok(DBIterator{ inner: iterator, direction: Direction::forward, just_seeked: true }) + Ok(DBIterator { + inner: iterator, + direction: Direction::forward, + just_seeked: true, + }) } } @@ -127,24 +151,35 @@ impl DBIterator { self.just_seeked = true; unsafe { rocksdb_ffi::rocksdb_iter_seek_to_first(self.inner); - }; - SubDBIterator { iter: self, direction: Direction::forward } + } + SubDBIterator { + iter: self, + direction: Direction::forward, + } } pub fn from_end(&mut self) -> SubDBIterator { self.just_seeked = true; unsafe { rocksdb_ffi::rocksdb_iter_seek_to_last(self.inner); - }; - SubDBIterator { iter: self, direction: Direction::reverse } + } + SubDBIterator { + iter: self, + direction: Direction::reverse, + } } pub fn from(&mut self, key: &[u8], dir: Direction) -> SubDBIterator { self.just_seeked = true; unsafe { - rocksdb_ffi::rocksdb_iter_seek(self.inner, key.as_ptr(), key.len() as size_t); + rocksdb_ffi::rocksdb_iter_seek(self.inner, + key.as_ptr(), + key.len() as size_t); + } + SubDBIterator { + iter: self, + direction: dir, } - SubDBIterator { iter: self, direction: dir } } } @@ -158,8 +193,13 @@ impl Drop for DBIterator { impl <'a> Snapshot<'a> { pub fn new(db: &DB) -> Snapshot { - let snapshot = unsafe { rocksdb_ffi::rocksdb_create_snapshot(db.inner) }; - Snapshot { db: db, inner: snapshot } + let snapshot = unsafe { + rocksdb_ffi::rocksdb_create_snapshot(db.inner) + }; + Snapshot { + db: db, + inner: snapshot, + } } pub fn iterator(&self) -> DBIterator { @@ -180,9 +220,17 @@ impl <'a> Drop for Snapshot<'a> { // This is for the DB and write batches to share the same API pub trait Writable { fn put(&self, key: &[u8], value: &[u8]) -> Result<(), String>; - fn put_cf(&self, cf: DBCFHandle, key: &[u8], value: &[u8]) -> Result<(), String>; + fn put_cf(&self, + cf: DBCFHandle, + key: &[u8], + value: &[u8]) + -> Result<(), String>; fn merge(&self, key: &[u8], value: &[u8]) -> Result<(), String>; - fn merge_cf(&self, cf: DBCFHandle, key: &[u8], value: &[u8]) -> Result<(), String>; + fn merge_cf(&self, + cf: DBCFHandle, + key: &[u8], + value: &[u8]) + -> Result<(), String>; fn delete(&self, key: &[u8]) -> Result<(), String>; fn delete_cf(&self, cf: DBCFHandle, key: &[u8]) -> Result<(), String>; } @@ -198,17 +246,22 @@ impl DB { DB::open_cf(opts, path, &[]) } - pub fn open_cf(opts: &Options, path: &str, cfs: &[&str]) -> Result { + pub fn open_cf(opts: &Options, + path: &str, + cfs: &[&str]) + -> Result { let cpath = match CString::new(path.as_bytes()) { Ok(c) => c, - Err(_) => - return Err("Failed to convert path to CString when opening rocksdb".to_string()), + Err(_) => return Err("Failed to convert path to CString when \ + opening rocksdb" + .to_string()), }; let cpath_ptr = cpath.as_ptr(); let ospath = Path::new(path); match fs::create_dir_all(&ospath) { - Err(e) => return Err("Failed to create rocksdb directory.".to_string()), + Err(e) => + return Err("Failed to create rocksdb directory.".to_string()), Ok(_) => (), } @@ -230,24 +283,28 @@ impl DB { // We need to store our CStrings in an intermediate vector // so that their pointers remain valid. - let c_cfs: Vec = cfs_v.iter().map( |cf| { - CString::new(cf.as_bytes()).unwrap() - }).collect(); + let c_cfs: Vec = cfs_v.iter() + .map(|cf| { + CString::new(cf.as_bytes()) + .unwrap() + }) + .collect(); - let cfnames: Vec<*const i8> = c_cfs.iter().map( |cf| { - cf.as_ptr() - }).collect(); + let cfnames: Vec<*const i8> = c_cfs.iter() + .map(|cf| cf.as_ptr()) + .collect(); // These handles will be populated by DB. let mut cfhandles: Vec = - cfs_v.iter().map( |_| { - rocksdb_ffi::DBCFHandle(0 as *mut c_void) - }).collect(); + cfs_v.iter() + .map(|_| rocksdb_ffi::DBCFHandle(0 as *mut c_void)) + .collect(); // TODO(tyler) allow options to be passed in. - let cfopts: Vec = cfs_v.iter().map( |_| { - unsafe { rocksdb_ffi::rocksdb_options_create() } - }).collect(); + let cfopts: Vec = + cfs_v.iter() + .map(|_| unsafe { rocksdb_ffi::rocksdb_options_create() }) + .collect(); // Prepare to ship to C. let copts: *const rocksdb_ffi::DBOptions = cfopts.as_ptr(); @@ -262,7 +319,8 @@ impl DB { for handle in cfhandles.iter() { if handle.0.is_null() { - return Err("Received null column family handle from DB.".to_string()); + return Err("Received null column family handle from DB." + .to_string()); } } @@ -278,7 +336,10 @@ impl DB { return Err("Could not initialize database.".to_string()); } - Ok(DB { inner: db, cfs: cfMap }) + Ok(DB { + inner: db, + cfs: cfMap, + }) } pub fn destroy(opts: &Options, path: &str) -> Result<(), String> { @@ -318,31 +379,40 @@ impl DB { let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; unsafe { - rocksdb_ffi::rocksdb_write(self.inner, writeopts.clone(), batch.inner, err_ptr); + rocksdb_ffi::rocksdb_write(self.inner, + writeopts.clone(), + batch.inner, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); } if !err.is_null() { return Err(error_message(err)); } - return Ok(()) + return Ok(()); } pub fn get(&self, key: &[u8]) -> Result, String> { unsafe { let readopts = rocksdb_ffi::rocksdb_readoptions_create(); if readopts.0.is_null() { - return Err("Unable to create rocksdb read \ - options. This is a fairly trivial call, and its failure \ - may be indicative of a mis-compiled or mis-loaded rocksdb \ - library.".to_string()); + return Err("Unable to create rocksdb read options. This is \ + a fairly trivial call, and its failure may be \ + indicative of a mis-compiled or mis-loaded \ + rocksdb library." + .to_string()); } let val_len: size_t = 0; let val_len_ptr = &val_len as *const size_t; let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - let val = rocksdb_ffi::rocksdb_get(self.inner, readopts.clone(), - key.as_ptr(), key.len() as size_t, val_len_ptr, err_ptr) as *mut u8; + let val = + rocksdb_ffi::rocksdb_get(self.inner, + readopts.clone(), + key.as_ptr(), + key.len() as size_t, + val_len_ptr, + err_ptr) as *mut u8; rocksdb_ffi::rocksdb_readoptions_destroy(readopts); if !err.is_null() { return Err(error_message(err)); @@ -356,23 +426,32 @@ impl DB { } } - pub fn get_cf(&self, cf: DBCFHandle, key: &[u8]) -> Result, String> { + pub fn get_cf(&self, + cf: DBCFHandle, + key: &[u8]) + -> Result, String> { unsafe { let readopts = rocksdb_ffi::rocksdb_readoptions_create(); if readopts.0.is_null() { - return Err("Unable to create rocksdb read \ - options. This is a fairly trivial call, and its failure \ - may be indicative of a mis-compiled or mis-loaded rocksdb \ - library.".to_string()); + return Err("Unable to create rocksdb read options. This is \ + a fairly trivial call, and its failure may be \ + indicative of a mis-compiled or mis-loaded \ + rocksdb library." + .to_string()); } let val_len: size_t = 0; let val_len_ptr = &val_len as *const size_t; let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - let val = rocksdb_ffi::rocksdb_get_cf(self.inner, readopts.clone(), - cf, key.as_ptr(), key.len() as size_t, val_len_ptr, - err_ptr) as *mut u8; + let val = + rocksdb_ffi::rocksdb_get_cf(self.inner, + readopts.clone(), + cf, + key.as_ptr(), + key.len() as size_t, + val_len_ptr, + err_ptr) as *mut u8; rocksdb_ffi::rocksdb_readoptions_destroy(readopts); if !err.is_null() { return Err(error_message(err)); @@ -386,18 +465,25 @@ impl DB { } } - pub fn create_cf(&mut self, name: &str, opts: &Options) -> Result { + pub fn create_cf(&mut self, + name: &str, + opts: &Options) + -> Result { let cname = match CString::new(name.as_bytes()) { Ok(c) => c, - Err(_) => - return Err("Failed to convert path to CString when opening rocksdb".to_string()), + Err(_) => return Err("Failed to convert path to CString when \ + opening rocksdb" + .to_string()), }; let cname_ptr = cname.as_ptr(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; let cf_handler = unsafe { - let cf_handler = rocksdb_ffi::rocksdb_create_column_family( - self.inner, opts.inner, cname_ptr, err_ptr); + let cf_handler = + rocksdb_ffi::rocksdb_create_column_family(self.inner, + opts.inner, + cname_ptr, + err_ptr); self.cfs.insert(name.to_string(), cf_handler); cf_handler }; @@ -416,7 +502,9 @@ impl DB { let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; unsafe { - rocksdb_ffi::rocksdb_drop_column_family(self.inner, *cf.unwrap(), err_ptr); + rocksdb_ffi::rocksdb_drop_column_family(self.inner, + *cf.unwrap(), + err_ptr); } if !err.is_null() { return Err(error_message(err)); @@ -445,14 +533,18 @@ impl DB { } impl Writable for DB { - fn put(&self, key: &[u8], value: &[u8]) -> Result<(), String> { + fn put(&self, key: &[u8], value: &[u8]) -> Result<(), String> { unsafe { let writeopts = rocksdb_ffi::rocksdb_writeoptions_create(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - rocksdb_ffi::rocksdb_put(self.inner, writeopts.clone(), key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t, err_ptr); + rocksdb_ffi::rocksdb_put(self.inner, + writeopts.clone(), + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); if !err.is_null() { return Err(error_message(err)); @@ -461,14 +553,23 @@ impl Writable for DB { } } - fn put_cf(&self, cf: DBCFHandle, key: &[u8], value: &[u8]) -> Result<(), String> { + fn put_cf(&self, + cf: DBCFHandle, + key: &[u8], + value: &[u8]) + -> Result<(), String> { unsafe { let writeopts = rocksdb_ffi::rocksdb_writeoptions_create(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - rocksdb_ffi::rocksdb_put_cf(self.inner, writeopts.clone(), cf, - key.as_ptr(), key.len() as size_t, value.as_ptr(), - value.len() as size_t, err_ptr); + rocksdb_ffi::rocksdb_put_cf(self.inner, + writeopts.clone(), + cf, + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); if !err.is_null() { return Err(error_message(err)); @@ -482,9 +583,13 @@ impl Writable for DB { let writeopts = rocksdb_ffi::rocksdb_writeoptions_create(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - rocksdb_ffi::rocksdb_merge(self.inner, writeopts.clone(), key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t, err_ptr); + rocksdb_ffi::rocksdb_merge(self.inner, + writeopts.clone(), + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); if !err.is_null() { return Err(error_message(err)); @@ -493,15 +598,23 @@ impl Writable for DB { } } - fn merge_cf(&self, cf: DBCFHandle, key: &[u8], value: &[u8]) -> Result<(), String> { + fn merge_cf(&self, + cf: DBCFHandle, + key: &[u8], + value: &[u8]) + -> Result<(), String> { unsafe { let writeopts = rocksdb_ffi::rocksdb_writeoptions_create(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - rocksdb_ffi::rocksdb_merge_cf(self.inner, writeopts.clone(), - cf, key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t, err_ptr); + rocksdb_ffi::rocksdb_merge_cf(self.inner, + writeopts.clone(), + cf, + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); if !err.is_null() { return Err(error_message(err)); @@ -515,8 +628,11 @@ impl Writable for DB { let writeopts = rocksdb_ffi::rocksdb_writeoptions_create(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - rocksdb_ffi::rocksdb_delete(self.inner, writeopts.clone(), key.as_ptr(), - key.len() as size_t, err_ptr); + rocksdb_ffi::rocksdb_delete(self.inner, + writeopts.clone(), + key.as_ptr(), + key.len() as size_t, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); if !err.is_null() { return Err(error_message(err)); @@ -530,9 +646,12 @@ impl Writable for DB { let writeopts = rocksdb_ffi::rocksdb_writeoptions_create(); let mut err: *const i8 = 0 as *const i8; let err_ptr: *mut *const i8 = &mut err; - rocksdb_ffi::rocksdb_delete_cf(self.inner, writeopts.clone(), - cf, key.as_ptr(), - key.len() as size_t, err_ptr); + rocksdb_ffi::rocksdb_delete_cf(self.inner, + writeopts.clone(), + cf, + key.as_ptr(), + key.len() as size_t, + err_ptr); rocksdb_ffi::rocksdb_writeoptions_destroy(writeopts); if !err.is_null() { return Err(error_message(err)); @@ -545,18 +664,14 @@ impl Writable for DB { impl WriteBatch { pub fn new() -> WriteBatch { WriteBatch { - inner: unsafe { - rocksdb_ffi::rocksdb_writebatch_create() - }, + inner: unsafe { rocksdb_ffi::rocksdb_writebatch_create() }, } } } impl Drop for WriteBatch { fn drop(&mut self) { - unsafe { - rocksdb_ffi::rocksdb_writebatch_destroy(self.inner) - } + unsafe { rocksdb_ffi::rocksdb_writebatch_destroy(self.inner) } } } @@ -574,53 +689,73 @@ impl Drop for DB { impl Writable for WriteBatch { fn put(&self, key: &[u8], value: &[u8]) -> Result<(), String> { unsafe { - rocksdb_ffi::rocksdb_writebatch_put(self.inner, key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t); + rocksdb_ffi::rocksdb_writebatch_put(self.inner, + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t); Ok(()) } } - fn put_cf(&self, cf: DBCFHandle, key: &[u8], value: &[u8]) -> Result<(), String> { + fn put_cf(&self, + cf: DBCFHandle, + key: &[u8], + value: &[u8]) + -> Result<(), String> { unsafe { - rocksdb_ffi::rocksdb_writebatch_put_cf(self.inner, cf, key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t); + rocksdb_ffi::rocksdb_writebatch_put_cf(self.inner, + cf, + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t); Ok(()) } } fn merge(&self, key: &[u8], value: &[u8]) -> Result<(), String> { unsafe { - rocksdb_ffi::rocksdb_writebatch_merge(self.inner, key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t); + rocksdb_ffi::rocksdb_writebatch_merge(self.inner, + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t); Ok(()) } } - fn merge_cf(&self, cf: DBCFHandle, key: &[u8], value: &[u8]) -> Result<(), String> { + fn merge_cf(&self, + cf: DBCFHandle, + key: &[u8], + value: &[u8]) + -> Result<(), String> { unsafe { - rocksdb_ffi::rocksdb_writebatch_merge_cf(self.inner, cf, key.as_ptr(), - key.len() as size_t, value.as_ptr(), - value.len() as size_t); + rocksdb_ffi::rocksdb_writebatch_merge_cf(self.inner, + cf, + key.as_ptr(), + key.len() as size_t, + value.as_ptr(), + value.len() as size_t); Ok(()) } } fn delete(&self, key: &[u8]) -> Result<(), String> { unsafe { - rocksdb_ffi::rocksdb_writebatch_delete(self.inner, key.as_ptr(), - key.len() as size_t); + rocksdb_ffi::rocksdb_writebatch_delete(self.inner, + key.as_ptr(), + key.len() as size_t); Ok(()) } } fn delete_cf(&self, cf: DBCFHandle, key: &[u8]) -> Result<(), String> { - unsafe { + unsafe { rocksdb_ffi::rocksdb_writebatch_delete_cf(self.inner, - cf, key.as_ptr(), - key.len() as size_t); + cf, + key.as_ptr(), + key.len() as size_t); Ok(()) } } @@ -628,21 +763,19 @@ impl Writable for WriteBatch { impl Drop for ReadOptions { fn drop(&mut self) { - unsafe { - rocksdb_ffi::rocksdb_readoptions_destroy(self.inner) - } + unsafe { rocksdb_ffi::rocksdb_readoptions_destroy(self.inner) } } } impl ReadOptions { fn new() -> ReadOptions { unsafe { - ReadOptions{inner: rocksdb_ffi::rocksdb_readoptions_create()} + ReadOptions { inner: rocksdb_ffi::rocksdb_readoptions_create() } } } -// TODO add snapshot setting here -// TODO add snapshot wrapper structs with proper destructors; -// that struct needs an "iterator" impl too. + // TODO add snapshot setting here + // TODO add snapshot wrapper structs with proper destructors; + // that struct needs an "iterator" impl too. fn fill_cache(&mut self, v: bool) { unsafe { rocksdb_ffi::rocksdb_readoptions_set_fill_cache(self.inner, v); @@ -651,7 +784,8 @@ impl ReadOptions { fn set_snapshot(&mut self, snapshot: &Snapshot) { unsafe { - rocksdb_ffi::rocksdb_readoptions_set_snapshot(self.inner, snapshot.inner); + rocksdb_ffi::rocksdb_readoptions_set_snapshot(self.inner, + snapshot.inner); } } } @@ -715,8 +849,10 @@ fn errors_do_stuff() { let opts = Options::new(); // The DB will still be open when we try to destroy and the lock should fail match DB::destroy(&opts, path) { - Err(ref s) => assert!(s == "IO error: lock _rust_rocksdb_error/LOCK: No locks available"), - Ok(_) => panic!("should fail") + Err(ref s) => assert!(s == + "IO error: lock _rust_rocksdb_error/LOCK: No \ + locks available"), + Ok(_) => panic!("should fail"), } } @@ -725,7 +861,8 @@ fn writebatch_works() { let path = "_rust_rocksdb_writebacktest"; { let mut db = DB::open_default(path).unwrap(); - { // test put + { + // test put let mut batch = WriteBatch::new(); assert!(db.get(b"k1").unwrap().is_none()); batch.put(b"k1", b"v1111"); @@ -735,7 +872,8 @@ fn writebatch_works() { let r: Result, String> = db.get(b"k1"); assert!(r.unwrap().unwrap().to_utf8().unwrap() == "v1111"); } - { // test delete + { + // test delete let mut batch = WriteBatch::new(); batch.delete(b"k1"); let p = db.write(batch); @@ -759,8 +897,10 @@ fn iterator_test() { let p = db.put(b"k3", b"v3333"); assert!(p.is_ok()); let mut iter = db.iterator(); - for (k,v) in iter.from_start() { - println!("Hello {}: {}", from_utf8(&*k).unwrap(), from_utf8(&*v).unwrap()); + for (k, v) in iter.from_start() { + println!("Hello {}: {}", + from_utf8(&*k).unwrap(), + from_utf8(&*v).unwrap()); } } let opts = Options::new(); diff --git a/src/rocksdb_options.rs b/src/rocksdb_options.rs index 050c805..e53bd27 100644 --- a/src/rocksdb_options.rs +++ b/src/rocksdb_options.rs @@ -1,25 +1,25 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// extern crate libc; use self::libc::{c_int, size_t}; use std::ffi::CString; use std::mem; use rocksdb_ffi; -use merge_operator::{self, MergeOperatorCallback, MergeOperands, +use merge_operator::{self, MergeOperands, MergeOperatorCallback, full_merge_callback, partial_merge_callback}; use comparator::{self, ComparatorCallback, compare_callback}; @@ -49,7 +49,9 @@ impl Drop for BlockBasedOptions { impl BlockBasedOptions { pub fn new() -> BlockBasedOptions { - let block_opts = unsafe {rocksdb_ffi::rocksdb_block_based_options_create() }; + let block_opts = unsafe { + rocksdb_ffi::rocksdb_block_based_options_create() + }; let rocksdb_ffi::DBBlockBasedTableOptions(opt_ptr) = block_opts; if opt_ptr.is_null() { panic!("Could not create rocksdb block based options".to_string()); @@ -59,34 +61,35 @@ impl BlockBasedOptions { pub fn set_block_size(&mut self, size: u64) { unsafe { - rocksdb_ffi::rocksdb_block_based_options_set_block_size( - self.inner, size); + rocksdb_ffi::rocksdb_block_based_options_set_block_size(self.inner, + size); } } +} - //TODO figure out how to create these in a Rusty way - ////pub fn set_filter(&mut self, filter: rocksdb_ffi::DBFilterPolicy) { - //// unsafe { - //// rocksdb_ffi::rocksdb_block_based_options_set_filter_policy( - //// self.inner, filter); - //// } - ////} - - ////pub fn set_cache(&mut self, cache: rocksdb_ffi::DBCache) { - //// unsafe { - //// rocksdb_ffi::rocksdb_block_based_options_set_block_cache( - //// self.inner, cache); - //// } - ////} - - ////pub fn set_cache_compressed(&mut self, cache: rocksdb_ffi::DBCache) { - //// unsafe { - //// rocksdb_ffi::rocksdb_block_based_options_set_block_cache_compressed( - //// self.inner, cache); - //// } - ////} +// TODO figure out how to create these in a Rusty way +// /pub fn set_filter(&mut self, filter: rocksdb_ffi::DBFilterPolicy) { +// / unsafe { +// / rocksdb_ffi::rocksdb_block_based_options_set_filter_policy( +// / self.inner, filter); +// / } +// /} + +/// /pub fn set_cache(&mut self, cache: rocksdb_ffi::DBCache) { +/// / unsafe { +/// / rocksdb_ffi::rocksdb_block_based_options_set_block_cache( +/// / self.inner, cache); +/// / } +/// /} + +/// /pub fn set_cache_compressed(&mut self, cache: rocksdb_ffi::DBCache) { +/// / unsafe { +/// / rocksdb_ffi:: +/// rocksdb_block_based_options_set_block_cache_compressed( +/// / self.inner, cache); +/// / } +/// /} -} impl Options { pub fn new() -> Options { @@ -96,18 +99,19 @@ impl Options { if opt_ptr.is_null() { panic!("Could not create rocksdb options".to_string()); } - Options{ inner: opts, } + Options { inner: opts } } } pub fn increase_parallelism(&mut self, parallelism: i32) { unsafe { - rocksdb_ffi::rocksdb_options_increase_parallelism( - self.inner, parallelism); + rocksdb_ffi::rocksdb_options_increase_parallelism(self.inner, + parallelism); } } - pub fn optimize_level_style_compaction(&mut self, memtable_memory_budget: i32) { + pub fn optimize_level_style_compaction(&mut self, + memtable_memory_budget: i32) { unsafe { rocksdb_ffi::rocksdb_options_optimize_level_style_compaction( self.inner, memtable_memory_budget); @@ -141,7 +145,9 @@ impl Options { } } - pub fn add_comparator<'a>(&mut self, name: &str, compare_fn: fn(&[u8], &[u8]) -> i32) { + pub fn add_comparator<'a>(&mut self, + name: &str, + compare_fn: fn(&[u8], &[u8]) -> i32) { let cb = Box::new(ComparatorCallback { name: CString::new(name.as_bytes()).unwrap(), f: compare_fn, @@ -160,8 +166,8 @@ impl Options { pub fn set_block_cache_size_mb(&mut self, cache_size: u64) { unsafe { - rocksdb_ffi::rocksdb_options_optimize_for_point_lookup( - self.inner, cache_size); + rocksdb_ffi::rocksdb_options_optimize_for_point_lookup(self.inner, + cache_size); } } @@ -184,8 +190,7 @@ impl Options { pub fn set_bytes_per_sync(&mut self, nbytes: u64) { unsafe { - rocksdb_ffi::rocksdb_options_set_bytes_per_sync( - self.inner, nbytes); + rocksdb_ffi::rocksdb_options_set_bytes_per_sync(self.inner, nbytes); } } @@ -204,8 +209,8 @@ impl Options { pub fn set_table_cache_num_shard_bits(&mut self, nbits: c_int) { unsafe { - rocksdb_ffi::rocksdb_options_set_table_cache_numshardbits( - self.inner, nbits); + rocksdb_ffi::rocksdb_options_set_table_cache_numshardbits(self.inner, + nbits); } } @@ -218,22 +223,22 @@ impl Options { pub fn set_max_write_buffer_number(&mut self, nbuf: c_int) { unsafe { - rocksdb_ffi::rocksdb_options_set_max_write_buffer_number( - self.inner, nbuf); + rocksdb_ffi::rocksdb_options_set_max_write_buffer_number(self.inner, + nbuf); } } pub fn set_write_buffer_size(&mut self, size: size_t) { unsafe { - rocksdb_ffi::rocksdb_options_set_write_buffer_size( - self.inner, size); + rocksdb_ffi::rocksdb_options_set_write_buffer_size(self.inner, + size); } } pub fn set_target_file_size_base(&mut self, size: u64) { unsafe { - rocksdb_ffi::rocksdb_options_set_target_file_size_base( - self.inner, size); + rocksdb_ffi::rocksdb_options_set_target_file_size_base(self.inner, + size); } } @@ -258,10 +263,11 @@ impl Options { } } - pub fn set_compaction_style(&mut self, style: rocksdb_ffi::DBCompactionStyle) { + pub fn set_compaction_style(&mut self, + style: rocksdb_ffi::DBCompactionStyle) { unsafe { - rocksdb_ffi::rocksdb_options_set_compaction_style( - self.inner, style); + rocksdb_ffi::rocksdb_options_set_compaction_style(self.inner, + style); } } @@ -274,15 +280,14 @@ impl Options { pub fn set_max_background_flushes(&mut self, n: c_int) { unsafe { - rocksdb_ffi::rocksdb_options_set_max_background_flushes( - self.inner, n); + rocksdb_ffi::rocksdb_options_set_max_background_flushes(self.inner, + n); } } pub fn set_filter_deletes(&mut self, filter: bool) { unsafe { - rocksdb_ffi::rocksdb_options_set_filter_deletes( - self.inner, filter); + rocksdb_ffi::rocksdb_options_set_filter_deletes(self.inner, filter); } } @@ -299,7 +304,8 @@ impl Options { } } - pub fn set_block_based_table_factory(&mut self, factory: &BlockBasedOptions) { + pub fn set_block_based_table_factory(&mut self, + factory: &BlockBasedOptions) { unsafe { rocksdb_ffi::rocksdb_options_set_block_based_table_factory(self.inner, factory.inner); } diff --git a/test/test_column_family.rs b/test/test_column_family.rs index d509e77..8a8ec88 100644 --- a/test/test_column_family.rs +++ b/test/test_column_family.rs @@ -1,19 +1,19 @@ -/* - Copyright 2014 Tyler Neely - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ -use rocksdb::{Options, DB, Writable, MergeOperands}; +// +// Copyright 2014 Tyler Neely +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +use rocksdb::{DB, MergeOperands, Options, Writable}; #[test] pub fn test_column_family() { @@ -30,7 +30,7 @@ pub fn test_column_family() { Ok(_) => println!("cf1 created successfully"), Err(e) => { panic!("could not create column family: {}", e); - }, + } } } @@ -39,9 +39,11 @@ pub fn test_column_family() { let mut opts = Options::new(); opts.add_merge_operator("test operator", test_provided_merge); match DB::open(&opts, path) { - Ok(_) => panic!("should not have opened DB successfully without specifying column + Ok(_) => panic!("should not have opened DB successfully without \ + specifying column families"), - Err(e) => assert!(e.starts_with("Invalid argument: You have to open all column families.")), + Err(e) => assert!(e.starts_with("Invalid argument: You have to \ + open all column families.")), } } @@ -62,12 +64,13 @@ pub fn test_column_family() { Ok(db) => { println!("successfully opened db with column family"); db - }, + } Err(e) => panic!("failed to open db with column family: {}", e), }; let cf1 = *db.cf_handle("cf1").unwrap(); assert!(db.put_cf(cf1, b"k1", b"v1").is_ok()); - assert!(db.get_cf(cf1, b"k1").unwrap().unwrap().to_utf8().unwrap() == "v1"); + assert!(db.get_cf(cf1, b"k1").unwrap().unwrap().to_utf8().unwrap() == + "v1"); let p = db.put_cf(cf1, b"k1", b"a"); assert!(p.is_ok()); db.merge_cf(cf1, b"k1", b"b").unwrap(); @@ -80,12 +83,10 @@ pub fn test_column_family() { match db.get(b"k1") { Ok(Some(value)) => { match value.to_utf8() { - Some(v) => - println!("retrieved utf8 value: {}", v), - None => - println!("did not read valid utf-8 out of the db"), + Some(v) => println!("retrieved utf8 value: {}", v), + None => println!("did not read valid utf-8 out of the db"), } - }, + } Err(e) => println!("error reading value"), _ => panic!("value not present!"), } @@ -124,7 +125,7 @@ fn test_provided_merge(_: &[u8], for e in v { result.push(*e); } - }, + } None => (), } for op in operands { diff --git a/test/test_iterator.rs b/test/test_iterator.rs index f53bfcb..a411d14 100644 --- a/test/test_iterator.rs +++ b/test/test_iterator.rs @@ -1,4 +1,4 @@ -use rocksdb::{Options, DB, Writable, Direction}; +use rocksdb::{DB, Direction, Options, Writable}; fn cba(input: &Box<[u8]>) -> Box<[u8]> { input.iter().cloned().collect::>().into_boxed_slice() @@ -8,14 +8,14 @@ fn cba(input: &Box<[u8]>) -> Box<[u8]> { pub fn test_iterator() { let path = "_rust_rocksdb_iteratortest"; { - let k1:Box<[u8]> = b"k1".to_vec().into_boxed_slice(); - let k2:Box<[u8]> = b"k2".to_vec().into_boxed_slice(); - let k3:Box<[u8]> = b"k3".to_vec().into_boxed_slice(); - let k4:Box<[u8]> = b"k4".to_vec().into_boxed_slice(); - let v1:Box<[u8]> = b"v1111".to_vec().into_boxed_slice(); - let v2:Box<[u8]> = b"v2222".to_vec().into_boxed_slice(); - let v3:Box<[u8]> = b"v3333".to_vec().into_boxed_slice(); - let v4:Box<[u8]> = b"v4444".to_vec().into_boxed_slice(); + let k1: Box<[u8]> = b"k1".to_vec().into_boxed_slice(); + let k2: Box<[u8]> = b"k2".to_vec().into_boxed_slice(); + let k3: Box<[u8]> = b"k3".to_vec().into_boxed_slice(); + let k4: Box<[u8]> = b"k4".to_vec().into_boxed_slice(); + let v1: Box<[u8]> = b"v1111".to_vec().into_boxed_slice(); + let v2: Box<[u8]> = b"v2222".to_vec().into_boxed_slice(); + let v3: Box<[u8]> = b"v3333".to_vec().into_boxed_slice(); + let v4: Box<[u8]> = b"v4444".to_vec().into_boxed_slice(); let db = DB::open_default(path).unwrap(); let p = db.put(&*k1, &*v1); assert!(p.is_ok()); @@ -24,7 +24,9 @@ pub fn test_iterator() { let p = db.put(&*k3, &*v3); assert!(p.is_ok()); let mut view1 = db.iterator(); - let expected = vec![(cba(&k1), cba(&v1)), (cba(&k2), cba(&v2)), (cba(&k3), cba(&v3))]; + let expected = vec![(cba(&k1), cba(&v1)), + (cba(&k2), cba(&v2)), + (cba(&k3), cba(&v3))]; { let iterator1 = view1.from_start(); assert_eq!(iterator1.collect::>(), expected); @@ -86,7 +88,10 @@ pub fn test_iterator() { let p = db.put(&*k4, &*v4); assert!(p.is_ok()); let mut view3 = db.iterator(); - let expected2 = vec![(cba(&k1), cba(&v1)), (cba(&k2), cba(&v2)), (cba(&k3), cba(&v3)), (cba(&k4), cba(&v4))]; + let expected2 = vec![(cba(&k1), cba(&v1)), + (cba(&k2), cba(&v2)), + (cba(&k3), cba(&v3)), + (cba(&k4), cba(&v4))]; { let iterator1 = view1.from_start(); assert_eq!(iterator1.collect::>(), expected); @@ -97,7 +102,9 @@ pub fn test_iterator() { } { let iterator1 = view3.from(b"k2", Direction::forward); - let expected = vec![(cba(&k2), cba(&v2)), (cba(&k3), cba(&v3)), (cba(&k4), cba(&v4))]; + let expected = vec![(cba(&k2), cba(&v2)), + (cba(&k3), cba(&v3)), + (cba(&k4), cba(&v4))]; assert_eq!(iterator1.collect::>(), expected); } { @@ -109,4 +116,3 @@ pub fn test_iterator() { let opts = Options::new(); assert!(DB::destroy(&opts, path).is_ok()); } - diff --git a/test/test_multithreaded.rs b/test/test_multithreaded.rs index dfec8b3..4a84293 100644 --- a/test/test_multithreaded.rs +++ b/test/test_multithreaded.rs @@ -1,4 +1,4 @@ -use rocksdb::{Options, DB, Writable}; +use rocksdb::{DB, Options, Writable}; use std::thread; use std::sync::Arc; @@ -14,21 +14,21 @@ pub fn test_multithreaded() { db.put(b"key", b"value1").unwrap(); let db1 = db.clone(); - let j1 = thread::spawn(move|| { + let j1 = thread::spawn(move || { for _ in 1..N { db1.put(b"key", b"value1").unwrap(); } }); let db2 = db.clone(); - let j2 = thread::spawn(move|| { + let j2 = thread::spawn(move || { for _ in 1..N { db2.put(b"key", b"value2").unwrap(); } }); let db3 = db.clone(); - let j3 = thread::spawn(move|| { + let j3 = thread::spawn(move || { for _ in 1..N { match db3.get(b"key") { Ok(Some(v)) => {