| /* |
| * Copyright 2015, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package io.grpc.inprocess; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.instrumentation.stats.StatsContextFactory; |
| import io.grpc.ExperimentalApi; |
| import io.grpc.Internal; |
| import io.grpc.internal.AbstractManagedChannelImplBuilder; |
| import io.grpc.internal.ClientTransportFactory; |
| import io.grpc.internal.ConnectionClientTransport; |
| import io.grpc.internal.NoopStatsContextFactory; |
| import java.net.SocketAddress; |
| |
| /** |
| * Builder for a channel that issues in-process requests. Clients identify the in-process server by |
| * its name. |
| * |
| * <p>The channel is intended to be fully-featured, high performance, and useful in testing. |
| */ |
| @ExperimentalApi("https://github.com/grpc/grpc-java/issues/1783") |
| public class InProcessChannelBuilder extends |
| AbstractManagedChannelImplBuilder<InProcessChannelBuilder> { |
| /** |
| * Create a channel builder that will connect to the server with the given name. |
| * |
| * @param name the identity of the server to connect to |
| * @return a new builder |
| */ |
| public static InProcessChannelBuilder forName(String name) { |
| return new InProcessChannelBuilder(name); |
| } |
| |
| private final String name; |
| |
| private InProcessChannelBuilder(String name) { |
| super(new InProcessSocketAddress(name), "localhost"); |
| this.name = Preconditions.checkNotNull(name, "name"); |
| // TODO(zhangkun83): InProcessTransport by-passes framer and deframer, thus message sizses are |
| // not counted. Therefore, we disable stats for now. |
| // (https://github.com/grpc/grpc-java/issues/2284) |
| super.statsContextFactory(NoopStatsContextFactory.INSTANCE); |
| } |
| |
| @Override |
| public final InProcessChannelBuilder maxInboundMessageSize(int max) { |
| // TODO(carl-mastrangelo): maybe throw an exception since this not enforced? |
| return super.maxInboundMessageSize(max); |
| } |
| |
| /** |
| * Does nothing. |
| */ |
| @Override |
| public InProcessChannelBuilder usePlaintext(boolean skipNegotiation) { |
| return this; |
| } |
| |
| @Override |
| protected ClientTransportFactory buildTransportFactory() { |
| return new InProcessClientTransportFactory(name); |
| } |
| |
| @Internal |
| @Override |
| public InProcessChannelBuilder statsContextFactory(StatsContextFactory statsFactory) { |
| // TODO(zhangkun83): InProcessTransport by-passes framer and deframer, thus message sizses are |
| // not counted. Stats is disabled by using a NOOP stats factory in the constructor, and here |
| // we prevent the user from overriding it. |
| // (https://github.com/grpc/grpc-java/issues/2284) |
| return this; |
| } |
| |
| /** |
| * Creates InProcess transports. Exposed for internal use, as it should be private. |
| */ |
| @Internal |
| static final class InProcessClientTransportFactory implements ClientTransportFactory { |
| private final String name; |
| |
| private boolean closed; |
| |
| private InProcessClientTransportFactory(String name) { |
| this.name = name; |
| } |
| |
| @Override |
| public ConnectionClientTransport newClientTransport( |
| SocketAddress addr, String authority, String userAgent) { |
| if (closed) { |
| throw new IllegalStateException("The transport factory is closed."); |
| } |
| return new InProcessTransport(name); |
| } |
| |
| @Override |
| public void close() { |
| closed = true; |
| // Do nothing. |
| } |
| } |
| } |