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From galen-pivotal <...@git.apache.org>
Subject [GitHub] geode pull request #716: GEODE-3406: Locator accepts Protobuf requests
Date Tue, 22 Aug 2017 00:05:48 GMT
Github user galen-pivotal commented on a diff in the pull request:

    https://github.com/apache/geode/pull/716#discussion_r134026218
  
    --- Diff: geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/TcpServerFactory.java
---
    @@ -0,0 +1,39 @@
    +package org.apache.geode.internal.cache.tier.sockets;
    +
    +import java.net.InetAddress;
    +import java.util.Properties;
    +
    +import org.apache.geode.distributed.internal.DistributionConfigImpl;
    +import org.apache.geode.distributed.internal.InternalLocator;
    +import org.apache.geode.distributed.internal.PoolStatHelper;
    +import org.apache.geode.distributed.internal.tcpserver.TcpHandler;
    +import org.apache.geode.distributed.internal.tcpserver.TcpServer;
    +
    +public class TcpServerFactory {
    +  private ClientProtocolMessageHandler protocolHandler;
    +
    +  public TcpServerFactory() {
    +    initializeMessageHandler();
    +  }
    +
    +  public TcpServer makeTcpServer(int port, InetAddress bind_address, Properties sslConfig,
    +      DistributionConfigImpl cfg, TcpHandler handler, PoolStatHelper poolHelper,
    +      ThreadGroup threadGroup, String threadName, InternalLocator internalLocator) {
    +
    +    return new TcpServer(port, bind_address, sslConfig, cfg, handler, poolHelper, threadGroup,
    +        threadName, internalLocator, protocolHandler);
    +  }
    +
    +  public synchronized ClientProtocolMessageHandler initializeMessageHandler() {
    +    if (!Boolean.getBoolean("geode.feature-protobuf-protocol")) {
    +      return null;
    --- End diff --
    
    Ah, I see. `TcpServer` gates on the feature flag in the one place where it's used. And
we create the same class regardless of old or new protocol version. 
    
    Could the factory determine whether the new protocol is enabled and make a `TcpServer`
that either has the new protocol enabled or not? This way we're only checking config in one
place.


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