| /* |
| * 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.ignite.internal; |
| |
| import java.io.Closeable; |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.io.ObjectStreamException; |
| import java.util.UUID; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.ignite.IgniteScheduler; |
| import org.apache.ignite.internal.processors.security.OperationSecurityContext; |
| import org.apache.ignite.internal.processors.security.SecurityUtils; |
| import org.apache.ignite.internal.util.future.IgniteFutureImpl; |
| import org.apache.ignite.internal.util.lang.GridPlainCallable; |
| import org.apache.ignite.internal.util.lang.GridPlainRunnable; |
| import org.apache.ignite.internal.util.typedef.internal.A; |
| import org.apache.ignite.lang.IgniteFuture; |
| import org.apache.ignite.scheduler.SchedulerFuture; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * {@link IgniteScheduler} implementation. |
| */ |
| public class IgniteSchedulerImpl implements IgniteScheduler, Externalizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private GridKernalContext ctx; |
| |
| /** |
| * Required by {@link Externalizable}. |
| */ |
| public IgniteSchedulerImpl() { |
| // No-op. |
| } |
| |
| /** |
| * @param ctx Kernal context. |
| */ |
| public IgniteSchedulerImpl(GridKernalContext ctx) { |
| this.ctx = ctx; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteFuture<?> runLocal(@NotNull Runnable r) { |
| A.notNull(r, "r"); |
| |
| guard(); |
| |
| try { |
| return new IgniteFutureImpl<>(ctx.closure().runLocalSafe(localSecureRunnable(r), false)); |
| } |
| finally { |
| unguard(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Closeable runLocal(@NotNull Runnable r, long delay, TimeUnit timeUnit) { |
| A.notNull(r, "r"); |
| A.ensure(delay > 0, "Illegal delay"); |
| |
| guard(); |
| |
| try { |
| return ctx.timeout().schedule(localSecureRunnable(r), timeUnit.toMillis(delay), -1); |
| } |
| finally { |
| unguard(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public <R> IgniteFuture<R> callLocal(@NotNull Callable<R> c) { |
| A.notNull(c, "c"); |
| |
| guard(); |
| |
| try { |
| return new IgniteFutureImpl<>(ctx.closure().callLocalSafe(localSecureCallable(c), false)); |
| } |
| finally { |
| unguard(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public SchedulerFuture<?> scheduleLocal(@NotNull Runnable job, String ptrn) { |
| A.notNull(job, "job"); |
| |
| guard(); |
| |
| try { |
| return ctx.schedule().schedule(localSecureRunnable(job), ptrn); |
| } |
| finally { |
| unguard(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public <R> SchedulerFuture<R> scheduleLocal(@NotNull Callable<R> job, String ptrn) { |
| A.notNull(job, "job"); |
| |
| guard(); |
| |
| try { |
| return ctx.schedule().schedule(localSecureCallable(job), ptrn); |
| } |
| finally { |
| unguard(); |
| } |
| } |
| |
| /** |
| * <tt>ctx.gateway().readLock()</tt> |
| */ |
| private void guard() { |
| ctx.gateway().readLock(); |
| } |
| |
| /** |
| * <tt>ctx.gateway().readUnlock()</tt> |
| */ |
| private void unguard() { |
| ctx.gateway().readUnlock(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| out.writeObject(ctx); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| ctx = (GridKernalContext)in.readObject(); |
| } |
| |
| /** |
| * Reconstructs object on unmarshalling. |
| * |
| * @return Reconstructed object. |
| * @throws ObjectStreamException Thrown in case of unmarshalling error. |
| */ |
| private Object readResolve() throws ObjectStreamException { |
| return ctx.grid().scheduler(); |
| } |
| |
| /** @return Security aware runnable. */ |
| private Runnable localSecureRunnable(Runnable original) { |
| if (!ctx.security().enabled() || ctx.security().isDefaultContext()) |
| return original; |
| |
| return new SecurityAwareClosure<Void>(ctx.security().securityContext().subject().id(), original); |
| } |
| |
| /** @return Security aware callable. */ |
| private <T> Callable<T> localSecureCallable(Callable<T> original) { |
| if (!ctx.security().enabled() || ctx.security().isDefaultContext()) |
| return original; |
| |
| return new SecurityAwareClosure<>(ctx.security().securityContext().subject().id(), original); |
| } |
| |
| /** */ |
| private class SecurityAwareClosure<T> implements GridPlainRunnable, GridPlainCallable<T>, GridInternalWrapper<Object> { |
| /** Security subject id. */ |
| private final UUID secSubjId; |
| |
| /** Runnable. */ |
| private final Runnable runnable; |
| |
| /** Callable. */ |
| private final Callable<T> call; |
| |
| /** */ |
| private SecurityAwareClosure(UUID secSubjId, Runnable r) { |
| this.secSubjId = secSubjId; |
| runnable = SecurityUtils.sandboxedProxy(ctx, Runnable.class, r); |
| call = null; |
| } |
| |
| /** */ |
| private SecurityAwareClosure(UUID secSubjId, Callable<T> c) { |
| this.secSubjId = secSubjId; |
| call = SecurityUtils.sandboxedProxy(ctx, Callable.class, c); |
| runnable = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void run() { |
| assert runnable != null; |
| |
| try (OperationSecurityContext c = ctx.security().withContext(secSubjId)) { |
| runnable.run(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public T call() throws Exception { |
| assert call != null; |
| |
| try (OperationSecurityContext c = ctx.security().withContext(secSubjId)) { |
| return call.call(); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Object userObject() { |
| return runnable != null ? runnable : call; |
| } |
| } |
| } |