OssBackendServiceClientChannelProvider.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.rpc;

import org.apache.doris.common.Config;
import org.apache.doris.thrift.TNetworkAddress;

import io.grpc.ManagedChannel;
import io.grpc.netty.NettyChannelBuilder;

import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;

public class OssBackendServiceClientChannelProvider implements BackendServiceClientChannelProvider {
    @Override
    public ManagedChannel createChannel(TNetworkAddress address, String resolvedIp, Executor executor) {
        String targetHost = (resolvedIp != null && !resolvedIp.isEmpty()) ? resolvedIp : address.getHostname();
        NettyChannelBuilder channelBuilder = NettyChannelBuilder.forAddress(targetHost, address.getPort())
                .keepAliveTime(Config.grpc_keep_alive_second, TimeUnit.SECONDS)
                .flowControlWindow(Config.grpc_max_message_size_bytes)
                .keepAliveWithoutCalls(true)
                .maxInboundMessageSize(Config.grpc_max_message_size_bytes)
                .enableRetry()
                .maxRetryAttempts(10)
                .usePlaintext();
        if (Config.grpc_backend_client_use_direct_executor) {
            channelBuilder.directExecutor();
        } else {
            channelBuilder.executor(executor);
        }
        return channelBuilder.build();
    }

    @Override
    public long currentConfigVersion() {
        return 0L;
    }
}