Merge remote-tracking branch 'origin' into tyler_cf

.travis.yml

@@ -2,6 +2,11 @@ language: rust
 
 rust:
   - nightly
+  - 1.1.0
+
+os:
+  - linux
+  - osx
 
 script:
-  - rustc src/lib.rs
+  - rustc -Z parse-only src/lib.rs

Cargo.toml

@@ -2,7 +2,7 @@
 
 name = "rocksdb"
 description = "A Rust wrapper for Facebook's RocksDB embeddable database."
-version = "0.0.8"
+version = "0.1.0"
 authors = ["Tyler Neely <t@jujit.su>", "David Greenberg <dsg123456789@gmail.com>"]
 license = "Apache-2.0"
 exclude = [
@@ -20,3 +20,6 @@ valgrind=[]
 
 name = "test"
 path = "test/test.rs"
+
+[dependencies]
+libc = "0.1.8"

README.md

@@ -2,7 +2,7 @@ rust-rocksdb
 ============
 [![Build Status](https://travis-ci.org/spacejam/rust-rocksdb.svg?branch=master)](https://travis-ci.org/spacejam/rust-rocksdb)
 
-This library has been tested against RocksDB 3.8.1 on linux and OSX.  The 0.0.8 crate should work with the Rust nightly release as of 7/18/15.
+This library has been tested against RocksDB 3.8.1 on linux and OSX.  The 0.1.0 crate should work with the Rust 1.1 stable and nightly releases as of 8/2/15.
 
 ### status
   - [x] basic open/put/get/delete/close
@@ -31,7 +31,7 @@ sudo make install
 ###### Cargo.toml
 ```rust
 [dependencies]
-rocksdb = "~0.0.8"
+rocksdb = "~0.1.0"
 ```
 ###### Code
 ```rust
@@ -112,9 +112,15 @@ use rocksdb::{Options, RocksDB, MergeOperands, Writable};
 fn concat_merge(new_key: &[u8], existing_val: Option<&[u8]>,
     operands: &mut MergeOperands) -> Vec<u8> {
     let mut result: Vec<u8> = Vec::with_capacity(operands.size_hint().0);
-    existing_val.map(|v| { result.extend(v) });
+    existing_val.map(|v| {
+        for e in v {
+            result.push(*e)
+        }
+    });
     for op in operands {
-        result.extend(op);
+        for e in op {
+            result.push(*e)
+        }
     }
     result
 }

src/ffi.rs

@@ -369,9 +369,9 @@ extern {
                                         err: *mut *const i8
                                         ) -> RocksDBCFHandle;
     pub fn rocksdb_drop_column_family(db: RocksDBInstance,
-                                      column_family_handle: *const RocksDBCFHandle,
+                                      column_family_handle: RocksDBCFHandle,
                                       err: *mut *const i8);
-    pub fn rocksdb_column_family_handle_destroy(column_family_handle: *mut *const RocksDBCFHandle);
+    pub fn rocksdb_column_family_handle_destroy(column_family_handle: RocksDBCFHandle);
 
 }
 

src/lib.rs

@@ -15,12 +15,6 @@
 */
 #![crate_id = "rocksdb"]
 #![crate_type = "lib"]
-#![feature(libc)]
-#![feature(unique)]
-#![feature(path_ext)]
-#![feature(convert)]
-#![feature(raw)]
-#![allow(dead_code)]
 
 pub use ffi as rocksdb_ffi;
 pub use ffi::{new_bloom_filter, RocksDBCompactionStyle, RocksDBComparator};

src/main.rs

@@ -13,10 +13,7 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 */
-#![feature(test)]
-
 extern crate rocksdb;
-extern crate test;
 use rocksdb::{Options, RocksDB, MergeOperands, new_bloom_filter, Writable, };
 use rocksdb::RocksDBCompactionStyle::RocksDBUniversalCompaction;
 
@@ -72,11 +69,15 @@ fn concat_merge(new_key: &[u8], existing_val: Option<&[u8]>,
     mut operands: &mut MergeOperands) -> Vec<u8> {
     let mut result: Vec<u8> = Vec::with_capacity(operands.size_hint().0);
     match existing_val {
-        Some(v) => result.extend(v),
+        Some(v) => for e in v {
+            result.push(*e)
+        },
         None => (),
     }
     for op in operands {
-        result.extend(op);
+        for e in op {
+            result.push(*e);
+        }
     }
     result
 }
@@ -138,7 +139,6 @@ fn main() {
 
 #[cfg(test)]
 mod tests  {
-    use test::Bencher;
     use std::thread::sleep_ms;
 
     use rocksdb::{BlockBasedOptions, Options, RocksDB, MergeOperands, new_bloom_filter, Writable };
@@ -172,6 +172,7 @@ mod tests  {
         RocksDB::open(&opts, path).unwrap()
     }
     
+    /* TODO(tyler) unstable
     #[bench]
     fn a_writes(b: &mut Bencher) {
         // dirty hack due to parallel tests causing contention.
@@ -205,4 +206,5 @@ mod tests  {
         }
         RocksDB::destroy(&opts, path).is_ok();
     }
+    */
 }

src/merge_operator.rs

@@ -131,7 +131,6 @@ impl MergeOperands {
 impl<'a> Iterator for &'a mut MergeOperands {
     type Item = &'a [u8];
     fn next(&mut self) -> Option<&'a [u8]> {
-        use std::raw::Slice;
         match self.cursor == self.num_operands {
             true => None,
             false => {
@@ -145,8 +144,8 @@ impl<'a> Iterator for &'a mut MergeOperands {
                     let len = *len_ptr as usize;
                     let ptr = base + (spacing * self.cursor);
                     self.cursor += 1;
-                    Some(mem::transmute(Slice{data:*(ptr as *const *const u8)
-                        as *const u8, len: len}))
+                    Some(mem::transmute(slice::from_raw_parts(*(ptr as *const *const u8)
+                        as *const u8, len)))
                 }
             }
         }
@@ -165,11 +164,17 @@ fn test_provided_merge(new_key: &[u8],
     let nops = operands.size_hint().0;
     let mut result: Vec<u8> = Vec::with_capacity(nops);
     match existing_val {
-        Some(v) => result.extend(v),
+        Some(v) => {
+            for e in v {
+                result.push(*e);
+            }
+        },
         None => (),
     }
     for op in operands {
-        result.extend(op);
+        for e in op {
+            result.push(*e);
+        }
     }
     result
 }

src/rocksdb.rs

@@ -18,10 +18,9 @@ extern crate libc;
 use self::libc::{c_void, size_t};
 use std::collections::BTreeMap;
 use std::ffi::{CString, CStr};
-use std::fs::{self, PathExt};
+use std::fs;
 use std::ops::Deref;
 use std::path::Path;
-use std::ptr::Unique;
 use std::slice;
 use std::str::from_utf8;
 
@@ -197,11 +196,9 @@ impl RocksDB {
         let cpath_ptr = cpath.as_ptr();
 
         let ospath = Path::new(path);
-        if !ospath.exists() {
-            match fs::create_dir_all(&ospath) {
-                Err(e) => return Err("Failed to create rocksdb directory.".to_string()),
-                Ok(_) => (),
-            }
+        match fs::create_dir_all(&ospath) {
+            Err(e) => return Err("Failed to create rocksdb directory.".to_string()),
+            Ok(_) => (),
         }
 
         let mut err: *const i8 = 0 as *const i8;
@@ -242,14 +239,13 @@ impl RocksDB {
             }).collect();
 
             // Prepare to ship to C.
-            let names = cfnames.as_slice();
             let copts: *const rocksdb_ffi::RocksDBOptions = cfopts.as_ptr();
             let handles: *const rocksdb_ffi::RocksDBCFHandle = cfhandles.as_ptr();
             let nfam = cfs_v.len();
             unsafe {
                 db = rocksdb_ffi::rocksdb_open_column_families(opts.inner, cpath_ptr,
                                                                nfam as libc::c_int,
-                                                               names.as_ptr(),
+                                                               cfnames.as_ptr(),
                                                                copts, handles, err_ptr);
             }
 
@@ -279,10 +275,6 @@ impl RocksDB {
         let cpath_ptr = cpath.as_ptr();
 
         let ospath = Path::new(path);
-        if !ospath.exists() {
-            return Err("path does not exist".to_string());
-        }
-
         let mut err: *const i8 = 0 as *const i8;
         let err_ptr: *mut *const i8 = &mut err;
         unsafe {
@@ -299,10 +291,6 @@ impl RocksDB {
         let cpath_ptr = cpath.as_ptr();
 
         let ospath = Path::new(path);
-        if !ospath.exists() {
-            return Err("path does not exist".to_string());
-        }
-
         let mut err: *const i8 = 0 as *const i8;
         let err_ptr: *mut *const i8 = &mut err;
         unsafe {
@@ -384,7 +372,7 @@ impl RocksDB {
         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));
@@ -472,7 +460,12 @@ impl Drop for WriteBatch {
 
 impl Drop for RocksDB {
     fn drop(&mut self) {
-        unsafe { rocksdb_ffi::rocksdb_close(self.inner); }
+        unsafe {
+            for (_, cf) in self.cfs.iter() {
+                rocksdb_ffi::rocksdb_column_family_handle_destroy(*cf);
+            }
+            rocksdb_ffi::rocksdb_close(self.inner);
+        }
     }
 }
 
@@ -535,21 +528,21 @@ impl ReadOptions {
 }
 
 pub struct RocksDBVector {
-    base: Unique<u8>,
+    base: *mut u8,
     len: usize,
 }
 
 impl Deref for RocksDBVector {
     type Target = [u8];
     fn deref(&self) -> &[u8] {
-        unsafe { slice::from_raw_parts(self.base.get(), self.len) }
+        unsafe { slice::from_raw_parts(self.base, self.len) }
     }
 }
 
 impl Drop for RocksDBVector {
     fn drop(&mut self) {
         unsafe {
-            libc::free(*self.base.deref() as *mut libc::c_void);
+            libc::free(self.base as *mut libc::c_void);
         }
     }
 }
@@ -558,7 +551,7 @@ impl RocksDBVector {
     pub fn from_c(val: *mut u8, val_len: size_t) -> RocksDBVector {
         unsafe {
             RocksDBVector {
-                base: Unique::new(val),
+                base: val,
                 len: val_len as usize,
             }
         }