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org.jboss.remoting3.EndpointImpl Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2010, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.remoting3;
import static java.security.AccessController.doPrivileged;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.net.URI;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.Executor;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReference;
import java.util.regex.Pattern;
import javax.security.sasl.SaslClientFactory;
import org.jboss.logging.Logger;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoadException;
import org.jboss.remoting3.remote.HttpUpgradeConnectionProviderFactory;
import org.jboss.remoting3.remote.RemoteConnectionProviderFactory;
import org.jboss.remoting3.security.RemotingPermission;
import org.jboss.remoting3.spi.AbstractHandleableCloseable;
import org.jboss.remoting3.spi.ConnectionHandlerContext;
import org.jboss.remoting3.spi.ConnectionHandlerFactory;
import org.jboss.remoting3.spi.ConnectionProvider;
import org.jboss.remoting3.spi.ConnectionProviderContext;
import org.jboss.remoting3.spi.ConnectionProviderFactory;
import org.jboss.remoting3.spi.RegisteredService;
import org.jboss.remoting3.spi.SpiUtils;
import org.wildfly.common.Assert;
import org.wildfly.security.auth.client.AuthenticationConfiguration;
import org.wildfly.security.auth.client.AuthenticationContext;
import org.wildfly.security.auth.client.AuthenticationContextConfigurationClient;
import org.wildfly.security.sasl.util.PrivilegedSaslClientFactory;
import org.wildfly.security.sasl.util.ProtocolSaslClientFactory;
import org.wildfly.security.sasl.util.SaslFactories;
import org.wildfly.security.sasl.util.ServerNameSaslClientFactory;
import org.xnio.Bits;
import org.xnio.Cancellable;
import org.xnio.FutureResult;
import org.xnio.IoFuture;
import org.xnio.OptionMap;
import org.xnio.Options;
import org.xnio.Result;
import org.xnio.Xnio;
import org.xnio.XnioWorker;
/**
*
*/
final class EndpointImpl extends AbstractHandleableCloseable implements Endpoint {
static {
// Print Remoting "greeting" message
Logger.getLogger("org.jboss.remoting").infof("JBoss Remoting version %s", Version.getVersionString());
}
private static final Logger log = Logger.getLogger("org.jboss.remoting.endpoint");
private static final int CLOSED_FLAG = 0x80000000;
private static final int COUNT_MASK = ~CLOSED_FLAG;
private static final String FQCN = EndpointImpl.class.getName();
private final Set connections = Collections.synchronizedSet(Collections.newSetFromMap(new IdentityHashMap()));
private final Attachments attachments = new Attachments();
private final ConcurrentMap connectionProviders = new UnlockedReadHashMap();
private final ConcurrentMap registeredServices = new UnlockedReadHashMap();
private final ConcurrentMap configuredConnections = new ConcurrentHashMap<>();
private final Xnio xnio;
private final XnioWorker worker;
private final Object connectionLock = new Object();
private static final AtomicIntegerFieldUpdater resourceCountUpdater = AtomicIntegerFieldUpdater.newUpdater(EndpointImpl.class, "resourceCount");
@SuppressWarnings("unused")
private volatile int resourceCount = 0;
private static final Pattern VALID_SERVICE_PATTERN = Pattern.compile("[-.:a-zA-Z_0-9]+");
static final AuthenticationContextConfigurationClient AUTH_CONFIGURATION_CLIENT = doPrivileged(AuthenticationContextConfigurationClient.ACTION);
/**
* The name of this endpoint.
*/
private final String name;
private final ConnectionProviderContext connectionProviderContext;
private final CloseHandler resourceCloseHandler = (closed, exception) -> closeTick1(closed);
private final CloseHandler connectionCloseHandler = (closed, exception) -> connections.remove(closed);
private final boolean ourWorker;
private final SocketAddress defaultBindAddress;
private EndpointImpl(final XnioWorker xnioWorker, final boolean ourWorker, final String name, final SocketAddress defaultBindAddress) throws NotOpenException {
super(xnioWorker, true);
worker = xnioWorker;
this.ourWorker = ourWorker;
this.xnio = xnioWorker.getXnio();
this.name = name;
this.defaultBindAddress = defaultBindAddress;
// initialize CPC
connectionProviderContext = new ConnectionProviderContextImpl();
// get XNIO worker
log.tracef("Completed open of %s", this);
}
static EndpointImpl construct(final EndpointBuilder endpointBuilder) throws IOException {
final String endpointName = endpointBuilder.getEndpointName();
final List connectionBuilders = endpointBuilder.getConnectionBuilders();
final List factoryBuilders = endpointBuilder.getConnectionProviderFactoryBuilders();
final EndpointImpl endpoint;
XnioWorker xnioWorker = endpointBuilder.getXnioWorker();
final SocketAddress defaultBindAddress = endpointBuilder.getDefaultBindAddress();
if (xnioWorker == null) {
Xnio xnio = Xnio.getInstance(EndpointImpl.class.getClassLoader());
final OptionMap.Builder builder = OptionMap.builder();
final OptionMap workerOptions = endpointBuilder.getXnioWorkerOptions();
if (workerOptions != null) {
builder.addAll(workerOptions);
}
builder.addAll(OptionMap.create(Options.THREAD_DAEMON, Boolean.TRUE));
final OptionMap modifiedOptionMap = builder.set(Options.WORKER_NAME, endpointName == null ? "Remoting (anonymous)" : "Remoting \"" + endpointName + "\"").getMap();
final AtomicReference endpointRef = new AtomicReference();
xnioWorker = xnio.createWorker(null, modifiedOptionMap, () -> {
final EndpointImpl e = endpointRef.getAndSet(null);
if (e != null) {
e.closeComplete();
}
});
endpointRef.set(endpoint = new EndpointImpl(xnioWorker, true, endpointName, defaultBindAddress));
} else {
endpoint = new EndpointImpl(xnioWorker, false, endpointName, defaultBindAddress);
}
boolean ok = false;
try {
if (factoryBuilders != null) for (ConnectionProviderFactoryBuilder factoryBuilder : factoryBuilders) {
final String className = factoryBuilder.getClassName();
final String moduleName = factoryBuilder.getModuleName();
final ClassLoader classLoader;
if (moduleName != null) {
// modules code here only
final Module module;
try {
module = Module.getCallerModuleLoader().loadModule(ModuleIdentifier.fromString(moduleName));
} catch (ModuleLoadException e) {
throw new IOException("Failed to create endpoint", e);
}
classLoader = module.getClassLoader();
} else if (className == null) {
throw new IllegalArgumentException("Either class or module name required for connection provider factory");
} else {
classLoader = EndpointImpl.class.getClassLoader();
}
if (className == null) {
final ServiceLoader loader = ServiceLoader.load(ConnectionProviderFactory.class, classLoader);
for (ConnectionProviderFactory factory : loader) {
endpoint.addConnectionProvider(factoryBuilder.getScheme(), factory, OptionMap.EMPTY);
}
} else try {
final Class factoryClass = classLoader.loadClass(className).asSubclass(ConnectionProviderFactory.class);
final ConnectionProviderFactory factory = factoryClass.newInstance();
endpoint.addConnectionProvider(factoryBuilder.getScheme(), factory, OptionMap.EMPTY);
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
throw new IllegalArgumentException("Unable to load connection provider factory class '" + className + "'", e);
}
}
// remote (SSL is explicit in URL)
final RemoteConnectionProviderFactory remoteConnectionProviderFactory = new RemoteConnectionProviderFactory();
endpoint.addConnectionProvider("remote", remoteConnectionProviderFactory, OptionMap.create(Options.SSL_ENABLED, Boolean.FALSE));
endpoint.addConnectionProvider("remote+tls", remoteConnectionProviderFactory, OptionMap.create(Options.SECURE, Boolean.TRUE));
// old (SSL is config-based)
endpoint.addConnectionProvider("remoting", remoteConnectionProviderFactory, OptionMap.create(Options.SSL_ENABLED, Boolean.TRUE));
// http - SSL is handled by the HTTP layer
final HttpUpgradeConnectionProviderFactory httpUpgradeConnectionProviderFactory = new HttpUpgradeConnectionProviderFactory();
endpoint.addConnectionProvider("remote+http", httpUpgradeConnectionProviderFactory, OptionMap.create(Options.SSL_ENABLED, Boolean.FALSE));
endpoint.addConnectionProvider("remote+https", httpUpgradeConnectionProviderFactory, OptionMap.create(Options.SSL_ENABLED, Boolean.FALSE));
// old
endpoint.addConnectionProvider("http-remoting", httpUpgradeConnectionProviderFactory, OptionMap.create(Options.SSL_ENABLED, Boolean.FALSE));
endpoint.addConnectionProvider("https-remoting", httpUpgradeConnectionProviderFactory, OptionMap.create(Options.SSL_ENABLED, Boolean.FALSE));
final AuthenticationContext captured = AuthenticationContext.captureCurrent();
if (connectionBuilders != null) for (ConnectionBuilder connectionBuilder : connectionBuilders) {
SaslClientFactory saslClientFactory = connectionBuilder.getSaslClientFactory();
if (saslClientFactory == null) {
saslClientFactory = SaslFactories.getElytronSaslClientFactory();
}
AuthenticationContext context = connectionBuilder.getAuthenticationContext();
if (context == null) {
context = captured;
}
final URI uri = connectionBuilder.getUri();
final boolean immediate = connectionBuilder.isImmediate();
// todo: connect options from builder
final FutureConnection futureConnection = new FutureConnection(endpoint, connectionBuilder.getBindAddress(), uri, immediate, OptionMap.EMPTY, context, saslClientFactory);
if (endpoint.configuredConnections.putIfAbsent(new ConnectionKey(uri.getHost(), uri.getScheme(), uri.getUserInfo(), uri.getPort()), futureConnection) == null) {
// don't actually do this if there is a duplicate item configured
if (immediate) {
// initiate the connect attempt
endpoint.getConnection(uri);
}
}
}
ok = true;
return endpoint;
} finally {
if (! ok) endpoint.closeAsync();
}
}
public Attachments getAttachments() {
return attachments;
}
public String getName() {
return name;
}
public Executor getExecutor() {
return new TrackingExecutor();
}
protected void closeComplete() {
super.closeComplete();
}
private void closeTick1(Object c) {
int res = resourceCountUpdater.decrementAndGet(this);
if (res == CLOSED_FLAG) {
// this was the last phase 1 resource.
finishPhase1();
} else if ((res & CLOSED_FLAG) != 0) {
// shutdown is currently in progress.
if (log.isTraceEnabled()) {
log.logf(FQCN, Logger.Level.TRACE, null, "Phase 1 shutdown count %08x of %s (closed %s)", Integer.valueOf(res & COUNT_MASK), this, c);
}
} else {
if (log.isTraceEnabled()) {
log.logf(FQCN, Logger.Level.TRACE, null, "Resource closed count %08x of %s (closed %s)", Integer.valueOf(res & COUNT_MASK), this, c);
}
}
}
private void finishPhase1() {
// all our original resources were closed; now move on to stage two (thread pools)
log.tracef("Finished phase 1 shutdown of %s", this);
if (ourWorker) {
worker.shutdown();
} else {
closeComplete();
}
return;
}
void resourceUntick(Object opened) throws NotOpenException {
int old;
do {
old = resourceCountUpdater.get(this);
if ((old & CLOSED_FLAG) != 0) {
throw new NotOpenException("Endpoint is not open");
}
} while (! resourceCountUpdater.compareAndSet(this, old, old + 1));
if (log.isTraceEnabled()) {
log.tracef("Allocated tick to %d of %s (opened %s)", Integer.valueOf(old + 1), this, opened);
}
}
void executorUntick(Object opened) {
// just like resourceUntick - except we allow tasks to be submitted after close begins.
int old;
do {
old = resourceCountUpdater.get(this);
if (old == CLOSED_FLAG) {
throw new RejectedExecutionException("Endpoint is not open");
}
} while (! resourceCountUpdater.compareAndSet(this, old, old + 1));
if (log.isTraceEnabled()) {
log.tracef("Allocated tick to %d of %s (opened %s)", Integer.valueOf(old + 1), this, opened);
}
}
boolean isCloseFlagSet() {
return Bits.allAreSet(resourceCountUpdater.get(this), CLOSED_FLAG);
}
protected void closeAction() throws IOException {
synchronized (connectionLock) {
// Commence phase one shutdown actions
int res;
do {
res = resourceCount;
} while (! resourceCountUpdater.compareAndSet(this, res, res | CLOSED_FLAG));
if (res == 0) {
finishPhase1();
} else {
for (Object connection : connections.toArray()) {
((ConnectionImpl)connection).closeAsync();
}
for (ConnectionProvider connectionProvider : connectionProviders.values()) {
connectionProvider.closeAsync();
}
}
}
}
public Registration registerService(final String serviceType, final OpenListener openListener, final OptionMap optionMap) throws ServiceRegistrationException {
if (! VALID_SERVICE_PATTERN.matcher(serviceType).matches()) {
throw new IllegalArgumentException("Service type must match " + VALID_SERVICE_PATTERN);
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(RemotingPermission.REGISTER_SERVICE);
}
final RegisteredServiceImpl registeredService = new RegisteredServiceImpl(openListener, optionMap);
if (registeredServices.putIfAbsent(serviceType, registeredService) != null) {
throw new ServiceRegistrationException("Service type '" + serviceType + "' is already registered");
}
final MapRegistration registration = new MapRegistration(registeredServices, serviceType, registeredService) {
protected void closeAction() throws IOException {
try {
openListener.registrationTerminated();
} finally {
super.closeAction();
}
}
};
// automatically close the registration when the endpoint is closed
final Key key = addCloseHandler(SpiUtils.closingCloseHandler(registration));
registration.addCloseHandler((closed, exception) -> key.remove());
return registration;
}
public IoFuture getConnection(final URI destination) {
Assert.checkNotNullParam("destination", destination);
final String scheme = destination.getScheme();
if (scheme == null) {
throw new IllegalArgumentException("No scheme given in URI '" + destination + "'");
}
final String host = destination.getHost();
if (host == null) {
throw new IllegalArgumentException("No host given in URI '" + destination + "'");
}
final String userInfo = destination.getUserInfo();
final int port = destination.getPort();
final ConnectionKey connectionKey = new ConnectionKey(host, scheme, userInfo, port);
FutureConnection futureConnection = configuredConnections.get(connectionKey);
if (futureConnection != null) {
return futureConnection.get();
}
// it's not presently managed; we'll use defaults to set it up
FutureConnection appearing;
futureConnection = new FutureConnection(this, null, destination, false, OptionMap.EMPTY, RemotingXmlParser.getGlobalDefaultAuthCtxt(), SaslFactories.getElytronSaslClientFactory());
if ((appearing = configuredConnections.putIfAbsent(connectionKey, futureConnection)) != null) {
return appearing.get();
}
return futureConnection.get();
}
public IoFuture connect(final URI destination, final OptionMap connectOptions) throws IOException {
return connect(destination, connectOptions, AuthenticationContext.captureCurrent(), SaslFactories.getElytronSaslClientFactory());
}
public IoFuture connect(final URI destination, final OptionMap connectOptions, SaslClientFactory saslClientFactory) throws IOException {
return connect(destination, connectOptions, AuthenticationContext.captureCurrent(), saslClientFactory);
}
public IoFuture connect(final URI destination, final OptionMap connectOptions, final AuthenticationContext authenticationContext) throws IOException {
return connect(destination, connectOptions, authenticationContext, SaslFactories.getElytronSaslClientFactory());
}
public IoFuture connect(final URI destination, final OptionMap connectOptions, final AuthenticationContext authenticationContext, SaslClientFactory saslClientFactory) throws IOException {
return connect(destination, null, connectOptions, authenticationContext, saslClientFactory);
}
public IoFuture connect(final URI destination, final InetSocketAddress bindAddress, final OptionMap connectOptions, final AuthenticationContext authenticationContext, SaslClientFactory saslClientFactory) throws IOException {
Assert.checkNotNullParam("destination", destination);
Assert.checkNotNullParam("connectOptions", connectOptions);
Assert.checkNotNullParam("saslClientFactory", saslClientFactory);
saslClientFactory = new PrivilegedSaslClientFactory(saslClientFactory);
final String protocol = connectOptions.contains(RemotingOptions.SASL_PROTOCOL) ? connectOptions.get(RemotingOptions.SASL_PROTOCOL) : RemotingOptions.DEFAULT_SASL_PROTOCOL;
saslClientFactory = new ProtocolSaslClientFactory(saslClientFactory, protocol);
if (connectOptions.contains(RemotingOptions.SERVER_NAME)) {
saslClientFactory = new ServerNameSaslClientFactory(saslClientFactory, connectOptions.get(RemotingOptions.SERVER_NAME));
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(RemotingPermission.CONNECT);
}
final String scheme = destination.getScheme();
synchronized (connectionLock) {
boolean ok = false;
resourceUntick("Connection to " + destination);
try {
final ConnectionProvider connectionProvider = connectionProviders.get(scheme);
if (connectionProvider == null) {
throw new UnknownURISchemeException("No connection provider for URI scheme \"" + scheme + "\" is installed");
}
final FutureResult futureResult = new FutureResult(getExecutor());
// Mark the stack because otherwise debugging connect problems can be incredibly tough
final StackTraceElement[] mark = Thread.currentThread().getStackTrace();
final Result result = new Result() {
private final AtomicBoolean flag = new AtomicBoolean();
public boolean setCancelled() {
if (! flag.compareAndSet(false, true)) {
return false;
}
log.logf(getClass().getName(), Logger.Level.TRACE, null, "Registered cancellation result");
closeTick1("a cancelled connection");
futureResult.setCancelled();
return true;
}
public boolean setException(final IOException exception) {
if (! flag.compareAndSet(false, true)) {
return false;
}
log.logf(getClass().getName(), Logger.Level.TRACE, exception, "Registered exception result");
closeTick1("a failed connection (2)");
SpiUtils.glueStackTraces(exception, mark, 1, "asynchronous invocation");
futureResult.setException(exception);
return true;
}
public boolean setResult(final ConnectionHandlerFactory connHandlerFactory) {
if (! flag.compareAndSet(false, true)) {
return false;
}
synchronized (connectionLock) {
log.logf(getClass().getName(), Logger.Level.TRACE, null, "Registered successful result %s", connHandlerFactory);
final ConnectionImpl connection = new ConnectionImpl(EndpointImpl.this, connHandlerFactory, connectionProviderContext, destination);
connections.add(connection);
connection.getConnectionHandler().addCloseHandler(SpiUtils.asyncClosingCloseHandler(connection));
connection.addCloseHandler(resourceCloseHandler);
connection.addCloseHandler(connectionCloseHandler);
// see if we were closed in the meantime
if (EndpointImpl.this.isCloseFlagSet()) {
connection.closeAsync();
futureResult.setCancelled();
} else {
futureResult.setResult(connection);
}
}
return true;
}
};
final AuthenticationConfiguration configuration = AUTH_CONFIGURATION_CLIENT.getAuthenticationConfiguration(destination, authenticationContext);
final Cancellable connect = connectionProvider.connect(destination, bindAddress, connectOptions, result, configuration, saslClientFactory);
ok = true;
futureResult.addCancelHandler(connect);
return futureResult.getIoFuture();
} finally {
if (! ok) {
closeTick1("a failed connection (1)");
}
}
}
}
public boolean isConnected(final URI uri) {
if (uri == null) {
return false;
}
final String scheme = uri.getScheme();
if (scheme == null) {
return false;
}
final String host = uri.getHost();
if (host == null) {
return false;
}
final String userInfo = uri.getUserInfo();
final int port = uri.getPort();
final ConnectionKey connectionKey = new ConnectionKey(host, scheme, userInfo, port);
FutureConnection futureConnection = configuredConnections.get(connectionKey);
return futureConnection != null && futureConnection.isConnected();
}
public Registration addConnectionProvider(final String uriScheme, final ConnectionProviderFactory providerFactory, final OptionMap optionMap) throws IOException {
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(RemotingPermission.ADD_CONNECTION_PROVIDER);
}
boolean ok = false;
resourceUntick("Connection provider for " + uriScheme);
try {
final ConnectionProviderContextImpl context = new ConnectionProviderContextImpl();
final ConnectionProvider provider = providerFactory.createInstance(context, optionMap);
try {
if (connectionProviders.putIfAbsent(uriScheme, provider) != null) {
throw new DuplicateRegistrationException("URI scheme '" + uriScheme + "' is already registered to a provider");
}
// add a resource count for close
log.tracef("Adding connection provider registration named '%s': %s", uriScheme, provider);
final Registration registration = new MapRegistration(connectionProviders, uriScheme, provider) {
protected void closeAction() throws IOException {
try {
provider.closeAsync();
} finally {
super.closeAction();
}
}
};
provider.addCloseHandler((closed, exception) -> {
registration.closeAsync();
closeTick1(closed);
});
ok = true;
return registration;
} finally {
if (! ok) {
provider.close();
}
}
} finally {
if (! ok) {
closeTick1("Connection provider for " + uriScheme);
}
}
}
public T getConnectionProviderInterface(final String uriScheme, final Class expectedType) throws UnknownURISchemeException, ClassCastException {
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(RemotingPermission.GET_CONNECTION_PROVIDER_INTERFACE);
}
if (! expectedType.isInterface()) {
throw new IllegalArgumentException("Interface expected");
}
final ConnectionProvider provider = connectionProviders.get(uriScheme);
if (provider == null) {
throw new UnknownURISchemeException("No connection provider for URI scheme \"" + uriScheme + "\" is installed");
}
return expectedType.cast(provider.getProviderInterface());
}
public boolean isValidUriScheme(final String uriScheme) {
return connectionProviders.containsKey(uriScheme);
}
public XnioWorker getXnioWorker() {
return worker;
}
public String toString() {
StringBuilder b = new StringBuilder();
b.append("endpoint ");
if (name != null) {
b.append('"').append(name).append('"');
} else {
b.append("(anonymous)");
}
b.append(" <").append(Integer.toHexString(hashCode())).append(">");
return b.toString();
}
private class MapRegistration extends AbstractHandleableCloseable implements Registration {
private final ConcurrentMap map;
private final String key;
private final T value;
private MapRegistration(final ConcurrentMap map, final String key, final T value) {
super(EndpointImpl.this.getExecutor(), false);
this.map = map;
this.key = key;
this.value = value;
}
protected void closeAction() throws IOException {
map.remove(key, value);
closeComplete();
}
public void close() {
try {
super.close();
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
public String toString() {
return String.format("Registration of '%s': %s", key, value);
}
}
final class LocalConnectionContext implements ConnectionHandlerContext {
private final ConnectionProviderContext connectionProviderContext;
private final Connection connection;
LocalConnectionContext(final ConnectionProviderContext connectionProviderContext, final Connection connection) {
this.connectionProviderContext = connectionProviderContext;
this.connection = connection;
}
public ConnectionProviderContext getConnectionProviderContext() {
return connectionProviderContext;
}
@Deprecated
public OpenListener getServiceOpenListener(final String serviceType) {
final RegisteredServiceImpl registeredService = registeredServices.get(serviceType);
return registeredService == null ? null : registeredService.getOpenListener();
}
public RegisteredServiceImpl getRegisteredService(final String serviceType) {
return registeredServices.get(serviceType);
}
public Connection getConnection() {
return connection;
}
public void remoteClosed() {
connection.closeAsync();
}
}
private final class ConnectionProviderContextImpl implements ConnectionProviderContext {
private ConnectionProviderContextImpl() {
}
public void accept(final ConnectionHandlerFactory connectionHandlerFactory) {
synchronized (connectionLock) {
try {
resourceUntick("an inbound connection");
} catch (NotOpenException e) {
throw new IllegalStateException("Accept after endpoint close", e);
}
boolean ok = false;
try {
final ConnectionImpl connection = new ConnectionImpl(EndpointImpl.this, connectionHandlerFactory, this, null);
connections.add(connection);
connection.getConnectionHandler().addCloseHandler(SpiUtils.asyncClosingCloseHandler(connection));
connection.addCloseHandler(connectionCloseHandler);
connection.addCloseHandler(resourceCloseHandler);
ok = true;
} finally {
if (! ok) closeTick1("a failed inbound connection");
}
}
}
public Endpoint getEndpoint() {
return EndpointImpl.this;
}
public Xnio getXnio() {
return xnio;
}
public Executor getExecutor() {
return EndpointImpl.this.getExecutor();
}
public XnioWorker getXnioWorker() {
return worker;
}
}
private static class RegisteredServiceImpl implements RegisteredService {
private final OpenListener openListener;
private final OptionMap optionMap;
private RegisteredServiceImpl(final OpenListener openListener, final OptionMap optionMap) {
this.openListener = openListener;
this.optionMap = optionMap;
}
public OpenListener getOpenListener() {
return openListener;
}
public OptionMap getOptionMap() {
return optionMap;
}
}
final class TrackingExecutor implements Executor {
private final AtomicInteger count = new AtomicInteger();
public void execute(final Runnable command) {
final AtomicInteger count = this.count;
final int i = count.getAndIncrement();
boolean ok = false;
try {
if (i == 0) {
executorUntick(this);
}
worker.execute(() -> {
try {
command.run();
} finally {
finishWork();
}
});
ok = true;
} finally {
if (! ok) {
finishWork();
}
}
}
void finishWork() {
if (count.decrementAndGet() == 0) {
closeTick1(this);
}
}
}
}
