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/*
* 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.
*/
package org.apache.coyote.http11;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
import javax.management.ObjectName;
import org.apache.coyote.RequestGroupInfo;
import org.apache.coyote.RequestInfo;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tomcat.util.modeler.Registry;
import org.apache.tomcat.util.net.AbstractEndpoint;
import org.apache.tomcat.util.net.AprEndpoint;
import org.apache.tomcat.util.net.AprEndpoint.Handler;
import org.apache.tomcat.util.net.SocketStatus;
import org.apache.tomcat.util.net.SocketWrapper;
import org.apache.tomcat.util.res.StringManager;
/**
* Abstract the protocol implementation, including threading, etc.
* Processor is single threaded and specific to stream-based protocols,
* will not fit Jk protocols like JNI.
*
* @author Remy Maucherat
* @author Costin Manolache
*/
public class Http11AprProtocol extends AbstractHttp11Protocol {
private static final Log log = LogFactory.getLog(Http11AprProtocol.class);
@Override
protected Log getLog() { return log; }
@Override
protected AbstractEndpoint.Handler getHandler() {
return cHandler;
}
/**
* The string manager for this package.
*/
protected static final StringManager sm =
StringManager.getManager(Constants.Package);
public Http11AprProtocol() {
endpoint = new AprEndpoint();
cHandler = new Http11ConnectionHandler(this);
((AprEndpoint) endpoint).setHandler(cHandler);
setSoLinger(Constants.DEFAULT_CONNECTION_LINGER);
setSoTimeout(Constants.DEFAULT_CONNECTION_TIMEOUT);
setTcpNoDelay(Constants.DEFAULT_TCP_NO_DELAY);
setProcessorCache(-1);
}
private final Http11ConnectionHandler cHandler;
public boolean getUseSendfile() { return ((AprEndpoint)endpoint).getUseSendfile(); }
public void setUseSendfile(boolean useSendfile) { ((AprEndpoint)endpoint).setUseSendfile(useSendfile); }
public int getPollTime() { return ((AprEndpoint)endpoint).getPollTime(); }
public void setPollTime(int pollTime) { ((AprEndpoint)endpoint).setPollTime(pollTime); }
public void setPollerSize(int pollerSize) { ((AprEndpoint)endpoint).setPollerSize(pollerSize); }
public int getPollerSize() { return ((AprEndpoint)endpoint).getPollerSize(); }
public void setPollerThreadCount(int pollerThreadCount) { ((AprEndpoint)endpoint).setPollerThreadCount(pollerThreadCount); }
public int getPollerThreadCount() { return ((AprEndpoint)endpoint).getPollerThreadCount(); }
public int getSendfileSize() { return ((AprEndpoint)endpoint).getSendfileSize(); }
public void setSendfileSize(int sendfileSize) { ((AprEndpoint)endpoint).setSendfileSize(sendfileSize); }
public void setSendfileThreadCount(int sendfileThreadCount) { ((AprEndpoint)endpoint).setSendfileThreadCount(sendfileThreadCount); }
public int getSendfileThreadCount() { return ((AprEndpoint)endpoint).getSendfileThreadCount(); }
public boolean getDeferAccept() { return ((AprEndpoint)endpoint).getDeferAccept(); }
public void setDeferAccept(boolean deferAccept) { ((AprEndpoint)endpoint).setDeferAccept(deferAccept); }
// -------------------- SSL related properties --------------------
/**
* SSL protocol.
*/
public String getSSLProtocol() { return ((AprEndpoint)endpoint).getSSLProtocol(); }
public void setSSLProtocol(String SSLProtocol) { ((AprEndpoint)endpoint).setSSLProtocol(SSLProtocol); }
/**
* SSL password (if a cert is encrypted, and no password has been provided, a callback
* will ask for a password).
*/
public String getSSLPassword() { return ((AprEndpoint)endpoint).getSSLPassword(); }
public void setSSLPassword(String SSLPassword) { ((AprEndpoint)endpoint).setSSLPassword(SSLPassword); }
/**
* SSL cipher suite.
*/
public String getSSLCipherSuite() { return ((AprEndpoint)endpoint).getSSLCipherSuite(); }
public void setSSLCipherSuite(String SSLCipherSuite) { ((AprEndpoint)endpoint).setSSLCipherSuite(SSLCipherSuite); }
/**
* SSL certificate file.
*/
public String getSSLCertificateFile() { return ((AprEndpoint)endpoint).getSSLCertificateFile(); }
public void setSSLCertificateFile(String SSLCertificateFile) { ((AprEndpoint)endpoint).setSSLCertificateFile(SSLCertificateFile); }
/**
* SSL certificate key file.
*/
public String getSSLCertificateKeyFile() { return ((AprEndpoint)endpoint).getSSLCertificateKeyFile(); }
public void setSSLCertificateKeyFile(String SSLCertificateKeyFile) { ((AprEndpoint)endpoint).setSSLCertificateKeyFile(SSLCertificateKeyFile); }
/**
* SSL certificate chain file.
*/
public String getSSLCertificateChainFile() { return ((AprEndpoint)endpoint).getSSLCertificateChainFile(); }
public void setSSLCertificateChainFile(String SSLCertificateChainFile) { ((AprEndpoint)endpoint).setSSLCertificateChainFile(SSLCertificateChainFile); }
/**
* SSL CA certificate path.
*/
public String getSSLCACertificatePath() { return ((AprEndpoint)endpoint).getSSLCACertificatePath(); }
public void setSSLCACertificatePath(String SSLCACertificatePath) { ((AprEndpoint)endpoint).setSSLCACertificatePath(SSLCACertificatePath); }
/**
* SSL CA certificate file.
*/
public String getSSLCACertificateFile() { return ((AprEndpoint)endpoint).getSSLCACertificateFile(); }
public void setSSLCACertificateFile(String SSLCACertificateFile) { ((AprEndpoint)endpoint).setSSLCACertificateFile(SSLCACertificateFile); }
/**
* SSL CA revocation path.
*/
public String getSSLCARevocationPath() { return ((AprEndpoint)endpoint).getSSLCARevocationPath(); }
public void setSSLCARevocationPath(String SSLCARevocationPath) { ((AprEndpoint)endpoint).setSSLCARevocationPath(SSLCARevocationPath); }
/**
* SSL CA revocation file.
*/
public String getSSLCARevocationFile() { return ((AprEndpoint)endpoint).getSSLCARevocationFile(); }
public void setSSLCARevocationFile(String SSLCARevocationFile) { ((AprEndpoint)endpoint).setSSLCARevocationFile(SSLCARevocationFile); }
/**
* SSL verify client.
*/
public String getSSLVerifyClient() { return ((AprEndpoint)endpoint).getSSLVerifyClient(); }
public void setSSLVerifyClient(String SSLVerifyClient) { ((AprEndpoint)endpoint).setSSLVerifyClient(SSLVerifyClient); }
/**
* SSL verify depth.
*/
public int getSSLVerifyDepth() { return ((AprEndpoint)endpoint).getSSLVerifyDepth(); }
public void setSSLVerifyDepth(int SSLVerifyDepth) { ((AprEndpoint)endpoint).setSSLVerifyDepth(SSLVerifyDepth); }
// ----------------------------------------------------- JMX related methods
@Override
protected String getNamePrefix() {
return ("http-apr");
}
// -------------------- Connection handler --------------------
static class Http11ConnectionHandler implements Handler {
protected Http11AprProtocol proto;
protected AtomicLong registerCount = new AtomicLong(0);
protected RequestGroupInfo global = new RequestGroupInfo();
protected ConcurrentHashMap connections =
new ConcurrentHashMap();
protected ConcurrentLinkedQueue recycledProcessors =
new ConcurrentLinkedQueue() {
private static final long serialVersionUID = 1L;
protected AtomicInteger size = new AtomicInteger(0);
@Override
public boolean offer(Http11AprProcessor processor) {
boolean offer = (proto.getProcessorCache() == -1) ? true : (size.get() < proto.getProcessorCache());
//avoid over growing our cache or add after we have stopped
boolean result = false;
if ( offer ) {
result = super.offer(processor);
if ( result ) {
size.incrementAndGet();
}
}
if (!result) unregister(processor);
return result;
}
@Override
public Http11AprProcessor poll() {
Http11AprProcessor result = super.poll();
if ( result != null ) {
size.decrementAndGet();
}
return result;
}
@Override
public void clear() {
Http11AprProcessor next = poll();
while ( next != null ) {
unregister(next);
next = poll();
}
super.clear();
size.set(0);
}
};
Http11ConnectionHandler(Http11AprProtocol proto) {
this.proto = proto;
}
@Override
public Object getGlobal() {
return global;
}
@Override
public void recycle() {
recycledProcessors.clear();
}
@Override
public SocketState event(SocketWrapper socket, SocketStatus status) {
Http11AprProcessor processor = connections.get(socket.getSocket());
SocketState state = SocketState.CLOSED;
if (processor != null) {
if (processor.comet) {
// Call the appropriate event
try {
state = processor.event(status);
} catch (java.net.SocketException e) {
// SocketExceptions are normal
Http11AprProtocol.log.debug(sm.getString(
"http11protocol.proto.socketexception.debug"),
e);
} catch (java.io.IOException e) {
// IOExceptions are normal
Http11AprProtocol.log.debug(sm.getString(
"http11protocol.proto.ioexception.debug"), e);
}
// Future developers: if you discover any other
// rare-but-nonfatal exceptions, catch them here, and log as
// above.
catch (Throwable e) {
ExceptionUtils.handleThrowable(e);
// any other exception or error is odd. Here we log it
// with "ERROR" level, so it will show up even on
// less-than-verbose logs.
Http11AprProtocol.log.error(sm.getString(
"http11protocol.proto.error"), e);
} finally {
if (state != SocketState.LONG) {
connections.remove(socket.getSocket());
socket.setAsync(false);
recycledProcessors.offer(processor);
if (state == SocketState.OPEN) {
((AprEndpoint)proto.endpoint).getPoller().add(socket.getSocket().longValue());
}
} else {
((AprEndpoint)proto.endpoint).getCometPoller().add(socket.getSocket().longValue());
}
}
} else if (processor.isAsync()) {
state = asyncDispatch(socket, status);
}
}
return state;
}
@Override
public SocketState process(SocketWrapper socket) {
Http11AprProcessor processor = recycledProcessors.poll();
try {
if (processor == null) {
processor = createProcessor();
}
SocketState state = processor.process(socket);
if (state == SocketState.LONG) {
if (processor.isAsync()) {
// Check if the post processing is going to change the state
state = processor.asyncPostProcess();
}
}
if (state == SocketState.LONG || state == SocketState.ASYNC_END) {
// Need to make socket available for next processing cycle
// but no need for the poller
connections.put(socket.getSocket(), processor);
if (processor.isAsync()) {
socket.setAsync(true);
} else if (processor.comet) {
((AprEndpoint) proto.endpoint).getCometPoller().add(
socket.getSocket().longValue());
}
} else {
recycledProcessors.offer(processor);
}
return state;
} catch (java.net.SocketException e) {
// SocketExceptions are normal
log.debug(sm.getString(
"http11protocol.proto.socketexception.debug"), e);
} catch (java.io.IOException e) {
// IOExceptions are normal
log.debug(sm.getString(
"http11protocol.proto.ioexception.debug"), e);
}
// Future developers: if you discover any other
// rare-but-nonfatal exceptions, catch them here, and log as
// above.
catch (Throwable e) {
ExceptionUtils.handleThrowable(e);
// any other exception or error is odd. Here we log it
// with "ERROR" level, so it will show up even on
// less-than-verbose logs.
Http11AprProtocol.log.error(
sm.getString("http11protocol.proto.error"), e);
}
recycledProcessors.offer(processor);
return SocketState.CLOSED;
}
@Override
public SocketState asyncDispatch(SocketWrapper socket, SocketStatus status) {
Http11AprProcessor result = connections.get(socket.getSocket());
SocketState state = SocketState.CLOSED;
if (result != null) {
// Call the appropriate event
try {
state = result.asyncDispatch(socket, status);
// Future developers: if you discover any rare-but-nonfatal
// exceptions, catch them here, and log as per {@link #event()}
// above.
} catch (Throwable e) {
ExceptionUtils.handleThrowable(e);
// any other exception or error is odd. Here we log it
// with "ERROR" level, so it will show up even on
// less-than-verbose logs.
Http11AprProtocol.log.error
(sm.getString("http11protocol.proto.error"), e);
} finally {
if (state == SocketState.LONG && result.isAsync()) {
state = result.asyncPostProcess();
}
if (state != SocketState.LONG && state != SocketState.ASYNC_END) {
connections.remove(socket.getSocket());
socket.setAsync(false);
recycledProcessors.offer(result);
if (state == SocketState.OPEN) {
((AprEndpoint)proto.endpoint).getPoller().add(socket.getSocket().longValue());
}
}
}
}
return state;
}
protected Http11AprProcessor createProcessor() {
Http11AprProcessor processor = new Http11AprProcessor(
proto.getMaxHttpHeaderSize(), (AprEndpoint)proto.endpoint,
proto.getMaxTrailerSize());
processor.setAdapter(proto.adapter);
processor.setMaxKeepAliveRequests(proto.getMaxKeepAliveRequests());
processor.setConnectionUploadTimeout(
proto.getConnectionUploadTimeout());
processor.setDisableUploadTimeout(proto.getDisableUploadTimeout());
processor.setCompressionMinSize(proto.getCompressionMinSize());
processor.setCompression(proto.getCompression());
processor.setNoCompressionUserAgents(proto.getNoCompressionUserAgents());
processor.setCompressableMimeTypes(proto.getCompressableMimeTypes());
processor.setRestrictedUserAgents(proto.getRestrictedUserAgents());
processor.setSocketBuffer(proto.getSocketBuffer());
processor.setMaxSavePostSize(proto.getMaxSavePostSize());
processor.setServer(proto.getServer());
register(processor);
return processor;
}
protected void register(Http11AprProcessor processor) {
if (proto.getDomain() != null) {
synchronized (this) {
try {
long count = registerCount.incrementAndGet();
final RequestInfo rp = processor.getRequest().getRequestProcessor();
rp.setGlobalProcessor(global);
final ObjectName rpName = new ObjectName
(proto.getDomain() + ":type=RequestProcessor,worker="
+ proto.getName() + ",name=HttpRequest" + count);
if (log.isDebugEnabled()) {
log.debug("Register " + rpName);
}
if (Constants.IS_SECURITY_ENABLED) {
AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Void run() {
try {
Registry.getRegistry(null, null).registerComponent(rp, rpName, null);
} catch (Exception e) {
log.warn("Error registering request");
}
return null;
}
});
} else {
Registry.getRegistry(null, null).registerComponent(rp, rpName, null);
}
rp.setRpName(rpName);
} catch (Exception e) {
log.warn("Error registering request");
}
}
}
}
protected void unregister(Http11AprProcessor processor) {
if (proto.getDomain() != null) {
synchronized (this) {
try {
RequestInfo rp = processor.getRequest().getRequestProcessor();
rp.setGlobalProcessor(null);
ObjectName rpName = rp.getRpName();
if (log.isDebugEnabled()) {
log.debug("Unregister " + rpName);
}
Registry.getRegistry(null, null).unregisterComponent(rpName);
rp.setRpName(null);
} catch (Exception e) {
log.warn("Error unregistering request", e);
}
}
}
}
}
}
