/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.benchmark.httpcore;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.Locale;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.MethodNotSupportedException;
import org.apache.http.entity.AbstractHttpEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.nio.ContentEncoder;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.entity.BufferingNHttpEntity;
import org.apache.http.nio.entity.ConsumingNHttpEntity;
import org.apache.http.nio.entity.ProducingNHttpEntity;
import org.apache.http.nio.protocol.NHttpRequestHandler;
import org.apache.http.nio.protocol.NHttpResponseTrigger;
import org.apache.http.nio.util.HeapByteBufferAllocator;
import org.apache.http.protocol.HttpContext;
class NRandomDataHandler implements NHttpRequestHandler {
public NRandomDataHandler() {
super();
}
public ConsumingNHttpEntity entityRequest(
final HttpEntityEnclosingRequest request,
final HttpContext context) throws HttpException, IOException {
// Use buffering entity for simplicity
return new BufferingNHttpEntity(request.getEntity(), new HeapByteBufferAllocator());
}
public void handle(
final HttpRequest request,
final HttpResponse response,
final NHttpResponseTrigger trigger,
final HttpContext context) throws HttpException, IOException {
String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
throw new MethodNotSupportedException(method + " method not supported");
}
if (request instanceof HttpEntityEnclosingRequest) {
HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
entity.consumeContent();
}
String target = request.getRequestLine().getUri();
int count = 100;
int idx = target.indexOf('?');
if (idx != -1) {
String s = target.substring(idx + 1);
if (s.startsWith("c=")) {
s = s.substring(2);
try {
count = Integer.parseInt(s);
} catch (NumberFormatException ex) {
response.setStatusCode(HttpStatus.SC_BAD_REQUEST);
response.setEntity(new StringEntity("Invalid query format: " + s,
"text/plain", "ASCII"));
return;
}
}
}
response.setStatusCode(HttpStatus.SC_OK);
RandomEntity body = new RandomEntity(count);
response.setEntity(body);
trigger.submitResponse(response);
}
public void handle(
final HttpRequest request,
final HttpResponse response,
final HttpContext context) throws HttpException, IOException {
String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
throw new MethodNotSupportedException(method + " method not supported");
}
if (request instanceof HttpEntityEnclosingRequest) {
HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
entity.consumeContent();
}
String target = request.getRequestLine().getUri();
int count = 100;
int idx = target.indexOf('?');
if (idx != -1) {
String s = target.substring(idx + 1);
if (s.startsWith("c=")) {
s = s.substring(2);
try {
count = Integer.parseInt(s);
} catch (NumberFormatException ex) {
response.setStatusCode(HttpStatus.SC_BAD_REQUEST);
response.setEntity(new StringEntity("Invalid query format: " + s,
"text/plain", "ASCII"));
return;
}
}
}
response.setStatusCode(HttpStatus.SC_OK);
RandomEntity body = new RandomEntity(count);
response.setEntity(body);
}
static class RandomEntity extends AbstractHttpEntity implements ProducingNHttpEntity {
private final int count;
private final ByteBuffer buf;
private int remaining;
public RandomEntity(int count) {
super();
this.count = count;
this.remaining = count;
this.buf = ByteBuffer.allocate(1024);
setContentType("text/plain");
}
public InputStream getContent() throws IOException, IllegalStateException {
throw new IllegalStateException("Method not supported");
}
public long getContentLength() {
return this.count;
}
public boolean isRepeatable() {
return true;
}
public boolean isStreaming() {
return false;
}
public void writeTo(final OutputStream outstream) throws IOException {
throw new IllegalStateException("Method not supported");
}
public void produceContent(
final ContentEncoder encoder, final IOControl ioctrl) throws IOException {
int r = Math.abs(this.buf.hashCode());
int chunk = Math.min(this.buf.remaining(), this.remaining);
if (chunk > 0) {
for (int i = 0; i < chunk; i++) {
byte b = (byte) ((r + i) % 96 + 32);
this.buf.put(b);
}
}
this.buf.flip();
int bytesWritten = encoder.write(this.buf);
this.remaining -= bytesWritten;
if (this.remaining == 0 && this.buf.remaining() == 0) {
encoder.complete();
}
this.buf.compact();
}
public void finish() throws IOException {
this.remaining = this.count;
}
}
}