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package com.sun.enterprise.v3.services.impl;
import com.sun.appserv.server.util.Version;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.enterprise.config.serverbeans.VirtualServer;
import com.sun.enterprise.v3.services.impl.monitor.ConnectionMonitor;
import com.sun.enterprise.v3.services.impl.monitor.FileCacheMonitor;
import com.sun.enterprise.v3.services.impl.monitor.GrizzlyMonitoring;
import com.sun.enterprise.v3.services.impl.monitor.KeepAliveMonitor;
import com.sun.enterprise.v3.services.impl.monitor.ThreadPoolMonitor;
import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.config.GenericGrizzlyListener;
import org.glassfish.grizzly.config.dom.Http;
import org.glassfish.grizzly.config.dom.NetworkListener;
import org.glassfish.grizzly.config.dom.Protocol;
import org.glassfish.grizzly.config.dom.ThreadPool;
import org.glassfish.grizzly.config.dom.Transport;
import org.glassfish.grizzly.filterchain.FilterChainBuilder;
import org.glassfish.grizzly.filterchain.FilterChainContext;
import org.glassfish.grizzly.http.HttpHeader;
import org.glassfish.grizzly.http.HttpRequestPacket;
import org.glassfish.grizzly.http.HttpResponsePacket;
import org.glassfish.grizzly.http.KeepAlive;
import org.glassfish.grizzly.http.server.HttpHandler;
import org.glassfish.grizzly.http.server.filecache.FileCache;
import org.glassfish.grizzly.http.server.util.Mapper;
import org.glassfish.grizzly.http.util.Header;
import org.glassfish.grizzly.threadpool.ThreadPoolConfig;
import org.glassfish.grizzly.utils.DelayedExecutor;
import org.glassfish.hk2.api.DynamicConfiguration;
import org.glassfish.hk2.api.DynamicConfigurationService;
import org.glassfish.hk2.api.IndexedFilter;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.utilities.AbstractActiveDescriptor;
import org.glassfish.hk2.utilities.BuilderHelper;
import org.glassfish.hk2.utilities.ServiceLocatorUtilities;
import org.glassfish.internal.grizzly.V3Mapper;
import org.jvnet.hk2.config.types.Property;
public class GlassfishNetworkListener extends GenericGrizzlyListener {
private final GrizzlyService grizzlyService;
private final Logger logger;
private volatile HttpAdapter httpAdapter;
public GlassfishNetworkListener(GrizzlyService grizzlyService,
Logger logger) {
this.grizzlyService = grizzlyService;
this.logger = logger;
}
@Override
public void start() throws IOException {
registerMonitoringStatsProviders();
super.start();
}
@Override
public void stop() throws IOException {
ServiceLocator locator = grizzlyService.getHabitat();
IndexedFilter removeFilter = BuilderHelper.createNameAndContractFilter(Mapper.class.getName(),
(address.toString() + port));
DynamicConfigurationService dcs = locator.getService(DynamicConfigurationService.class);
DynamicConfiguration config = dcs.createDynamicConfiguration();
config.addUnbindFilter(removeFilter);
config.commit();
unregisterMonitoringStatsProviders();
super.stop();
}
@SuppressWarnings("unchecked")
@Override
public <T> T getAdapter(Class<T> adapterClass) {
if (HttpAdapter.class.equals(adapterClass)) {
return (T) httpAdapter;
}
return super.getAdapter(adapterClass);
}
@Override
protected void configureTransport(final NetworkListener networkListener,
final Transport transportConfig,
final FilterChainBuilder filterChainBuilder) {
super.configureTransport(networkListener, transportConfig,
filterChainBuilder);
transport.getConnectionMonitoringConfig().addProbes(new ConnectionMonitor(
grizzlyService.getMonitoring(), name, transport));
}
@Override
protected void configureHttpProtocol(final ServiceLocator habitat,
final NetworkListener networkListener,
final Http http, final FilterChainBuilder filterChainBuilder,
boolean securityEnabled) {
if (httpAdapter == null) {
registerMonitoringStatsProviders();
final V3Mapper mapper = new V3Mapper(logger);
mapper.setPort(port);
mapper.setId(name);
final ContainerMapper containerMapper = new ContainerMapper(grizzlyService, this);
containerMapper.setMapper(mapper);
containerMapper.setDefaultHost(http.getDefaultVirtualServer());
containerMapper.configureMapper();
VirtualServer vs = null;
String webAppRootPath = null;
final Collection<VirtualServer> list = grizzlyService.getHabitat().getAllServices(VirtualServer.class);
final String vsName = http.getDefaultVirtualServer();
for (final VirtualServer virtualServer : list) {
if (virtualServer.getId().equals(vsName)) {
vs = virtualServer;
webAppRootPath = vs.getDocroot();
if (!grizzlyService.hasMapperUpdateListener() && vs.getProperty() != null
&& !vs.getProperty().isEmpty()) {
for (final Property p : vs.getProperty()) {
final String propertyName = p.getName();
if (propertyName.startsWith("alternatedocroot")) {
String value = p.getValue();
String[] mapping = value.split(" ");
if (mapping.length != 2) {
logger.log(Level.WARNING, "Invalid alternate_docroot {0}", value);
continue;
}
String docBase = mapping[1].substring("dir=".length());
String urlPattern = mapping[0].substring("from=".length());
containerMapper.addAlternateDocBase(urlPattern, docBase);
}
}
}
break;
}
}
httpAdapter = new HttpAdapterImpl(vs, containerMapper, webAppRootPath);
containerMapper.addDocRoot(webAppRootPath);
AbstractActiveDescriptor<V3Mapper> aad = BuilderHelper.createConstantDescriptor(mapper);
aad.addContractType(Mapper.class);
aad.setName(address.toString() + port);
ServiceLocatorUtilities.addOneDescriptor(grizzlyService.getHabitat(), aad);
super.configureHttpProtocol(habitat, networkListener, http, filterChainBuilder, securityEnabled);
final Protocol protocol = http.getParent();
for (NetworkListener listener : protocol.findNetworkListeners()) {
grizzlyService.notifyMapperUpdateListeners(listener, mapper);
}
} else {
super.configureHttpProtocol(habitat, networkListener, http, filterChainBuilder, securityEnabled);
}
}
@Override
protected HttpHandler getHttpHandler() {
return httpAdapter.getMapper();
}
@Override
protected KeepAlive configureKeepAlive(Http http) {
final KeepAlive keepAlive = super.configureKeepAlive(http);
keepAlive.getMonitoringConfig().addProbes(new KeepAliveMonitor(
grizzlyService.getMonitoring(), name, keepAlive));
return keepAlive;
}
@Override
protected FileCache configureHttpFileCache(org.glassfish.grizzly.config.dom.FileCache cache) {
final FileCache fileCache = super.configureHttpFileCache(cache);
fileCache.getMonitoringConfig().addProbes(new FileCacheMonitor(
grizzlyService.getMonitoring(), name, fileCache));
return fileCache;
}
@Override
protected ThreadPoolConfig configureThreadPoolConfig(final NetworkListener networkListener,
final ThreadPool threadPool) {
final ThreadPoolConfig config = super.configureThreadPoolConfig(
networkListener, threadPool);
config.getInitialMonitoringConfig().addProbes(new ThreadPoolMonitor(
grizzlyService.getMonitoring(), name, config));
return config;
}
@Override
protected org.glassfish.grizzly.http.HttpServerFilter createHttpServerCodecFilter(
final Http http,
final boolean isChunkedEnabled, final int headerBufferLengthBytes,
final String defaultResponseType, final KeepAlive keepAlive,
final DelayedExecutor delayedExecutor,
final int maxRequestHeaders, final int maxResponseHeaders) {
return new GlassfishHttpCodecFilter(
http == null || Boolean.parseBoolean(http.getXpoweredBy()),
isChunkedEnabled,
headerBufferLengthBytes,
defaultResponseType,
keepAlive,
delayedExecutor,
maxRequestHeaders,
maxResponseHeaders);
}
protected void registerMonitoringStatsProviders() {
final String nameLocal = name;
final GrizzlyMonitoring monitoring = grizzlyService.getMonitoring();
monitoring.registerThreadPoolStatsProvider(nameLocal);
monitoring.registerKeepAliveStatsProvider(nameLocal);
monitoring.registerFileCacheStatsProvider(nameLocal);
monitoring.registerConnectionQueueStatsProvider(nameLocal);
}
protected void unregisterMonitoringStatsProviders() {
final String localName = name;
final GrizzlyMonitoring monitoring = grizzlyService.getMonitoring();
monitoring.unregisterThreadPoolStatsProvider(localName);
monitoring.unregisterKeepAliveStatsProvider(localName);
monitoring.unregisterFileCacheStatsProvider(localName);
monitoring.unregisterConnectionQueueStatsProvider(localName);
}
static List<String> toArray(String s, String token) {
final ArrayList<String> list = new ArrayList<String>();
int from = 0;
do {
final int idx = s.indexOf(token, from);
if (idx == -1) {
final String str = s.substring(from, s.length()).trim();
list.add(str);
break;
}
final String str = s.substring(from, idx).trim();
list.add(str);
from = idx + 1;
} while (true);
return list;
}
protected static class HttpAdapterImpl implements HttpAdapter {
private final VirtualServer virtualServer;
private final ContainerMapper conainerMapper;
private final String webAppRootPath;
public HttpAdapterImpl(VirtualServer virtualServer, ContainerMapper conainerMapper, String webAppRootPath) {
this.virtualServer = virtualServer;
this.conainerMapper = conainerMapper;
this.webAppRootPath = webAppRootPath;
}
@Override
public ContainerMapper getMapper() {
return conainerMapper;
}
@Override
public VirtualServer getVirtualServer() {
return virtualServer;
}
@Override
public String getWebAppRootPath() {
return webAppRootPath;
}
}
/**
* Glassfish specific HttpCodecFilter extension.
*/
private static class GlassfishHttpCodecFilter extends org.glassfish.grizzly.http.HttpServerFilter {
private final String serverVersion;
private final String xPoweredBy;
public GlassfishHttpCodecFilter(
final boolean isXPoweredByEnabled,
final boolean chunkingEnabled,
final int maxHeadersSize,
final String defaultResponseContentType,
final KeepAlive keepAlive, final DelayedExecutor executor,
final int maxRequestHeaders, final int maxResponseHeaders) {
super(chunkingEnabled, maxHeadersSize, defaultResponseContentType,
keepAlive, executor, maxRequestHeaders, maxResponseHeaders);
/*
* Set the server info.
* By default, the server info is taken from Version#getVersion.
* However, customers may override it via the product.name system
* property.
* Some customers prefer not to disclose the server info
* for security reasons, in which case they would set the value of the
* product.name system property to the empty string. In this case,
* the server name will not be publicly disclosed via the "Server"
* HTTP response header (which will be suppressed) or any container
* generated error pages. However, it will still appear in the
* server logs (see IT 6900).
*
* Taken from com.sun.enterprise.web.WebContainer code
*/
String serverInfo = System.getProperty("product.name");
serverVersion = serverInfo != null ? serverInfo : Version.getVersion();
if (isXPoweredByEnabled) {
xPoweredBy = "Servlet/3.1 JSP/2.3 "
+ "(" + ((serverInfo != null && !serverInfo.isEmpty()) ? serverInfo : Version.getVersion())
+ " Java/"
+ System.getProperty("java.vm.vendor") + "/"
+ System.getProperty("java.specification.version") + ")";
} else {
xPoweredBy = null;
}
}
@Override
protected boolean onHttpHeaderParsed(final HttpHeader httpHeader,
final Buffer buffer,
final FilterChainContext ctx) {
final boolean result = super.onHttpHeaderParsed(httpHeader,
buffer, ctx);
final HttpRequestPacket request = (HttpRequestPacket) httpHeader;
final HttpResponsePacket response = request.getResponse();
// Set response "Server" header
if (serverVersion != null && !serverVersion.isEmpty()) {
response.addHeader(Header.Server, serverVersion);
}
// Set response "X-Powered-By" header
if (xPoweredBy != null) {
response.addHeader(Header.XPoweredBy, xPoweredBy);
}
return result;
}
}
}