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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed 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 com.google.devtools.build.lib.server;
import com.google.devtools.build.lib.clock.Clock;
import com.google.devtools.build.lib.runtime.BlazeCommandDispatcher;
import com.google.devtools.build.lib.vfs.Path;
import java.io.IOException;
/**
* A gRPC server instance.
*/
public interface RPCServer {
/**
* Factory class for the gRPC server.
*
* Present so that we don't need to invoke a constructor with multiple arguments by reflection.
*/
interface Factory {
RPCServer create(
BlazeCommandDispatcher dispatcher,
Clock clock,
int port,
Path workspace,
Path serverDirectory,
int maxIdleSeconds,
boolean idleServerTasks)
throws IOException;
}
/**
* Start serving and block until the a shutdown command is received.
*/
void serve() throws IOException;
/**
* Called when the server receives a SIGINT.
*/
void interrupt();
/**
* Prepares for the server shutting down prematurely.
*
* <p>Used in <code>clean --expunge</code> where the server state is deleted from the disk and
* we need to make sure that everything works during such an drastic measure.
*/
void prepareForAbruptShutdown();
}
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