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| </pre><pre class="rust"><code><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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. |
| |
| </span><span class="kw">use </span>rand::distributions::Alphanumeric; |
| <span class="kw">use </span>rand::Rng; |
| <span class="kw">use </span>std::iter; |
| <span class="kw">use </span>std::string::String; |
| <span class="kw">use </span>std::time::Instant; |
| <span class="attribute">#[cfg(feature = <span class="string">"mesalock_sgx"</span>)] |
| #[allow(unused_imports)] |
| </span><span class="kw">use </span>std::untrusted::time::InstantEx; |
| |
| <span class="kw">use </span>rusty_leveldb::CompressionType; |
| <span class="kw">use </span>rusty_leveldb::Options; |
| <span class="kw">use </span>rusty_leveldb::DB; |
| |
| <span class="kw">use </span>std::error::Error; |
| <span class="kw">use </span>std::io::{<span class="self">self</span>, ErrorKind}; |
| <span class="kw">use </span>std::untrusted::fs; |
| |
| <span class="kw">const </span>KEY_LEN: usize = <span class="number">16</span>; |
| <span class="kw">const </span>VAL_LEN: usize = <span class="number">48</span>; |
| |
| <span class="kw">fn </span>gen_string(len: usize) -> String { |
| <span class="kw">let </span><span class="kw-2">mut </span>rng = rand::thread_rng(); |
| iter::repeat(()) |
| .map(|()| rng.sample(Alphanumeric) <span class="kw">as </span>char) |
| .take(len) |
| .collect() |
| } |
| |
| <span class="kw">fn </span>fill_db(db: <span class="kw-2">&mut </span>DB, entries: usize) -> <span class="prelude-ty">Result</span><(), Box<<span class="kw">dyn </span>Error>> { |
| <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..entries { |
| <span class="kw">let </span>(k, v) = (gen_string(KEY_LEN), gen_string(VAL_LEN)); |
| db.put(k.as_bytes(), v.as_bytes())<span class="question-mark">?</span>; |
| <span class="kw">if </span>i % <span class="number">1000 </span>== <span class="number">0 </span>{ |
| db.flush()<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>v2 = db |
| .get(k.as_bytes()) |
| .ok_or_else(|| Box::new(io::Error::new(ErrorKind::NotFound, <span class="string">"Key not found"</span>)))<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(v.as_bytes()[..], v2[..]); |
| |
| db.delete(k.as_bytes())<span class="question-mark">?</span>; |
| <span class="macro">assert!</span>(db.get(k.as_bytes()).is_none()); |
| } |
| |
| <span class="kw">if </span>i % <span class="number">100 </span>== <span class="number">0 </span>{ |
| db.flush()<span class="question-mark">?</span>; |
| } |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>fill_db_with_sequential_elements(db: <span class="kw-2">&mut </span>DB, entries: usize) -> <span class="prelude-ty">Result</span><(), Box<<span class="kw">dyn </span>Error>> { |
| <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..entries { |
| <span class="kw">let </span>(k, v) = (i.to_string(), i.to_string()); |
| db.put(k.as_bytes(), v.as_bytes())<span class="question-mark">?</span>; |
| db.flush()<span class="question-mark">?</span>; |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>validate_sequential_elements(db: <span class="kw-2">&mut </span>DB, entries: usize) -> <span class="prelude-ty">Result</span><(), Box<<span class="kw">dyn </span>Error>> { |
| <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..entries { |
| <span class="kw">let </span>(k, v_expected) = (i.to_string(), i.to_string()); |
| <span class="kw">let </span>v = db.get(k.as_bytes()).ok_or_else(|| { |
| <span class="macro">error!</span>(<span class="string">"key: {}"</span>, k); |
| Box::new(io::Error::new(ErrorKind::NotFound, <span class="string">"Key not found"</span>)) |
| })<span class="question-mark">?</span>; |
| <span class="macro">assert_eq!</span>(v_expected.as_bytes()[..], v[..]); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="kw">fn </span>test_write_a_lot() { |
| <span class="kw">let </span>key = [ |
| <span class="number">0x00</span>, <span class="number">0x01</span>, <span class="number">0x02</span>, <span class="number">0x03</span>, <span class="number">0x04</span>, <span class="number">0x05</span>, <span class="number">0x06</span>, <span class="number">0x07</span>, <span class="number">0x0f</span>, <span class="number">0x0e</span>, <span class="number">0x0d</span>, <span class="number">0x0c</span>, <span class="number">0x0b</span>, <span class="number">0x0a</span>, <span class="number">0x09</span>, |
| <span class="number">0x08</span>, |
| ]; |
| <span class="kw">let </span><span class="kw-2">mut </span>opt = Options::new_disk_db_with(key); |
| opt.compression_type = CompressionType::CompressionSnappy; |
| <span class="kw">let </span><span class="kw-2">mut </span>db = DB::open(<span class="string">"/tmp/leveldb_testdb"</span>, opt).unwrap(); |
| |
| fill_db(<span class="kw-2">&mut </span>db, <span class="number">32768</span>).unwrap(); |
| |
| drop(db); |
| |
| fs::remove_dir_all(<span class="string">"/tmp/leveldb_testdb"</span>).expect(<span class="string">"Cannot remove directory"</span>); |
| } |
| |
| <span class="kw">fn </span>test_write_and_reopen() { |
| <span class="kw">let </span>key = [ |
| <span class="number">0x00</span>, <span class="number">0x01</span>, <span class="number">0x02</span>, <span class="number">0x03</span>, <span class="number">0x04</span>, <span class="number">0x05</span>, <span class="number">0x06</span>, <span class="number">0x07</span>, <span class="number">0x0f</span>, <span class="number">0x0e</span>, <span class="number">0x0d</span>, <span class="number">0x0c</span>, <span class="number">0x0b</span>, <span class="number">0x0a</span>, <span class="number">0x09</span>, |
| <span class="number">0x08</span>, |
| ]; |
| <span class="kw">let </span>elements_count = <span class="number">2000</span>; |
| <span class="kw">let </span>db_location = <span class="string">"/tmp/leveldb_testdb"</span>; |
| |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>opt = Options::new_disk_db_with(key); |
| opt.compression_type = CompressionType::CompressionSnappy; |
| <span class="kw">let </span><span class="kw-2">mut </span>db = DB::open(db_location, opt).unwrap(); |
| fill_db_with_sequential_elements(<span class="kw-2">&mut </span>db, elements_count).unwrap(); |
| } |
| |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>opt = Options::new_disk_db_with(key); |
| opt.compression_type = CompressionType::CompressionSnappy; |
| <span class="kw">let </span><span class="kw-2">mut </span>db = DB::open(db_location, opt).unwrap(); |
| validate_sequential_elements(<span class="kw-2">&mut </span>db, <span class="number">2000</span>).unwrap(); |
| } |
| |
| fs::remove_dir_all(<span class="string">"/tmp/leveldb_testdb"</span>).expect(<span class="string">"Cannot remove directory"</span>); |
| } |
| |
| <span class="kw">fn </span>test_huge_value() { |
| <span class="kw">let </span>key = [ |
| <span class="number">0x00</span>, <span class="number">0x01</span>, <span class="number">0x02</span>, <span class="number">0x03</span>, <span class="number">0x04</span>, <span class="number">0x05</span>, <span class="number">0x06</span>, <span class="number">0x07</span>, <span class="number">0x0f</span>, <span class="number">0x0e</span>, <span class="number">0x0d</span>, <span class="number">0x0c</span>, <span class="number">0x0b</span>, <span class="number">0x0a</span>, <span class="number">0x09</span>, |
| <span class="number">0x08</span>, |
| ]; |
| <span class="kw">let </span><span class="kw-2">mut </span>opt = Options::new_disk_db_with(key); |
| opt.compression_type = CompressionType::CompressionSnappy; |
| <span class="kw">let </span><span class="kw-2">mut </span>db = DB::open(<span class="string">"/tmp/leveldb_testdb"</span>, opt).unwrap(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>data_size = <span class="number">0x4000</span>; |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">8 </span>{ |
| <span class="kw">let </span>before = Instant::now(); |
| <span class="kw">let </span>(k, v) = (gen_string(KEY_LEN), gen_string(data_size)); |
| db.put(k.as_bytes(), v.as_bytes()).unwrap(); |
| db.flush().unwrap(); |
| <span class="kw">let </span>elapsed = before.elapsed().as_secs_f64(); |
| <span class="macro">println!</span>( |
| <span class="string">" Set key size = {:#10x}, eclapsed = {}"</span>, |
| data_size, elapsed |
| ); |
| |
| <span class="kw">let </span>before = Instant::now(); |
| db.get(k.as_bytes()).unwrap(); |
| <span class="kw">let </span>elapsed = before.elapsed().as_secs_f64(); |
| <span class="macro">println!</span>( |
| <span class="string">" Get key size = {:#10x}, eclapsed = {}"</span>, |
| data_size, elapsed |
| ); |
| |
| <span class="kw">let </span>before = Instant::now(); |
| db.delete(k.as_bytes()).unwrap(); |
| db.flush().unwrap(); |
| <span class="kw">let </span>elapsed = before.elapsed().as_secs_f64(); |
| <span class="macro">println!</span>( |
| <span class="string">" Del key size = {:#10x}, eclapsed = {}"</span>, |
| data_size, elapsed |
| ); |
| data_size <span class="kw-2">*</span>= <span class="number">2</span>; |
| } |
| |
| drop(db); |
| |
| fs::remove_dir_all(<span class="string">"/tmp/leveldb_testdb"</span>).expect(<span class="string">"Cannot remove directory"</span>); |
| } |
| |
| <span class="kw">pub fn </span>run_tests() -> bool { |
| <span class="kw">use </span>teaclave_test_utils::<span class="kw-2">*</span>; |
| |
| <span class="macro">run_tests!</span>(test_write_a_lot, test_write_and_reopen, test_huge_value,) |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_integration_tests_enclave" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |