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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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.
*/
package benchmarks.regression;
import com.google.caliper.Param;
import com.google.caliper.SimpleBenchmark;
import com.google.mockwebserver.MockResponse;
import com.google.mockwebserver.MockWebServer;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
public final class URLConnectionBenchmark extends SimpleBenchmark {
@Param({"0", "1024", "1048576"}) private int bodySize;
@Param({"2048"}) private int chunkSize;
@Param({"1024"}) private int readBufferSize;
@Param private ResponseHeaders responseHeaders;
@Param private TransferEncoding transferEncoding;
private byte[] readBuffer;
private MockWebServer server;
private URL url;
protected void setUp() throws Exception {
readBuffer = new byte[readBufferSize];
server = new MockWebServer();
MockResponse response = new MockResponse();
responseHeaders.apply(response);
transferEncoding.setBody(response, bodySize, chunkSize);
server.enqueue(response);
// keep serving the same response for all iterations
server.setSingleResponse(true);
server.play();
url = server.getUrl("/");
get(); // ensure the server has started its threads, etc.
}
protected void tearDown() throws Exception {
/*
* Entice the server to shut itself down gracefully. The shutdown method
* doesn't work on Dalvik because socket.close() doesn't release blocked
* threads. Instead, read the last continuously-served request, and then
* cause the server to close the otherwise-reusable HTTP connection.
*/
server.setSingleResponse(false);
get();
server.shutdown();
}
public int timeGet(int reps) throws IOException {
int totalBytesRead = 0;
for (int i = 0; i < reps; i++) {
totalBytesRead += get();
}
return totalBytesRead;
}
private int get() throws IOException {
int totalBytesRead = 0;
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
// URLConnection connection = url.openConnection();
InputStream in = connection.getInputStream();
int count;
while ((count = in.read(readBuffer)) != -1) {
totalBytesRead += count;
}
return totalBytesRead;
}
enum TransferEncoding {
FIXED_LENGTH,
CHUNKED;
void setBody(MockResponse response, int bodySize, int chunkSize) throws IOException {
if (this == TransferEncoding.FIXED_LENGTH) {
response.setBody(new byte[bodySize]);
} else if (this == TransferEncoding.CHUNKED) {
response.setChunkedBody(new byte[bodySize], chunkSize);
}
}
}
enum ResponseHeaders {
MINIMAL,
TYPICAL;
void apply(MockResponse response) {
if (this == TYPICAL) {
/* from http://api.twitter.com/1/statuses/public_timeline.json */
response.addHeader("Date: Wed, 30 Jun 2010 17:57:39 GMT");
response.addHeader("Server: hi");
response.addHeader("X-RateLimit-Remaining: 0");
response.addHeader("X-Runtime: 0.01637");
response.addHeader("Content-Type: application/json; charset=utf-8");
response.addHeader("X-RateLimit-Class: api_whitelisted");
response.addHeader("Cache-Control: no-cache, max-age=300");
response.addHeader("X-RateLimit-Reset: 1277920980");
response.addHeader("Set-Cookie: _twitter_sess=BAh7EDoOcmV0dXJuX3RvIjZodHRwOi8vZGV2L"
+ "nR3aXR0ZXIuY29tL3BhZ2Vz%250AL3NpZ25faW5fd2l0aF90d2l0dGVyOgxjc3JmX2lkIiUw"
+ "ODFhNGY2NTM5NjRm%250ANjY1N2M2NzcwNWI0MDlmZGZjZjoVaW5fbmV3X3VzZXJfZmxvdzA"
+ "6EXRyYW5z%250AX3Byb21wdDAiKXNob3dfZGlzY292ZXJhYmlsaXR5X2Zvcl9qZXNzZXdpbH"
+ "Nv%250AbjA6E3Nob3dfaGVscF9saW5rMDoTcGFzc3dvcmRfdG9rZW4iLWUyYjlhNmM3%250A"
+ "MWJiNzI3NWNlZDI1NDY3MGMzZWNmMTE0MjI4N2EyNGE6D2NyZWF0ZWRfYXRs%250AKwhiM%2"
+ "52F6JKQE6CXVzZXJpA8tE3iIKZmxhc2hJQzonQWN0aW9uQ29udHJvbGxl%250Acjo6Rmxhc2"
+ "g6OkZsYXNoSGFzaHsABjoKQHVzZWR7ADoHaWQiJWZmMTNhM2Qx%250AZTU1YTkzMmYyMWM0M"
+ "GNhZjU4NDVjMTQz--11250628c85830219438eb7eba96a541a9af4098; domain=.twitt"
+ "er.com; path=/");
response.addHeader("Expires: Wed, 30 Jun 2010 18:02:39 GMT");
response.addHeader("Vary: Accept-Encoding");
}
}
}
}
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