Java Code Examples for org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol#versionID()

The following examples show how to use org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol#versionID() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: NameNode.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
public long getProtocolVersion(String protocol, 
                               long clientVersion) throws IOException {
  if (protocol.equals(ClientProtocol.class.getName())) {
    return ClientProtocol.versionID; 
  } else if (protocol.equals(DatanodeProtocol.class.getName())){
    return DatanodeProtocol.versionID;
  } else if (protocol.equals(NamenodeProtocol.class.getName())){
    return NamenodeProtocol.versionID;
  } else if (protocol.equals(RefreshAuthorizationPolicyProtocol.class.getName())){
    return RefreshAuthorizationPolicyProtocol.versionID;
  } else if (protocol.equals(RefreshUserMappingsProtocol.class.getName())){
    return RefreshUserMappingsProtocol.versionID;
  } else if (protocol.equals(RefreshCallQueueProtocol.class.getName())) {
    return RefreshCallQueueProtocol.versionID;
  } else if (protocol.equals(GetUserMappingsProtocol.class.getName())){
    return GetUserMappingsProtocol.versionID;
  } else if (protocol.equals(TraceAdminProtocol.class.getName())){
    return TraceAdminProtocol.versionID;
  } else {
    throw new IOException("Unknown protocol to name node: " + protocol);
  }
}
Example 2
Source File: NameNode.java    From big-c with Apache License 2.0 6 votes vote down vote up 
public long getProtocolVersion(String protocol, 
                               long clientVersion) throws IOException {
  if (protocol.equals(ClientProtocol.class.getName())) {
    return ClientProtocol.versionID; 
  } else if (protocol.equals(DatanodeProtocol.class.getName())){
    return DatanodeProtocol.versionID;
  } else if (protocol.equals(NamenodeProtocol.class.getName())){
    return NamenodeProtocol.versionID;
  } else if (protocol.equals(RefreshAuthorizationPolicyProtocol.class.getName())){
    return RefreshAuthorizationPolicyProtocol.versionID;
  } else if (protocol.equals(RefreshUserMappingsProtocol.class.getName())){
    return RefreshUserMappingsProtocol.versionID;
  } else if (protocol.equals(RefreshCallQueueProtocol.class.getName())) {
    return RefreshCallQueueProtocol.versionID;
  } else if (protocol.equals(GetUserMappingsProtocol.class.getName())){
    return GetUserMappingsProtocol.versionID;
  } else if (protocol.equals(TraceAdminProtocol.class.getName())){
    return TraceAdminProtocol.versionID;
  } else {
    throw new IOException("Unknown protocol to name node: " + protocol);
  }
}
Example 3
Source File: NameNode.java    From RDFS with Apache License 2.0 5 votes vote down vote up 
public long getProtocolVersion(String protocol, 
                               long clientVersion) throws IOException {
  InetSocketAddress requestAddress = Server.get().getListenerAddress();
  boolean dnRequest = false, clientRequest = false;
  // If dnProtocolAddress is null - there is only one server running
  // otherwise check the address of the incoming request.
  if (dnProtocolAddress == null ||
      dnProtocolAddress.equals(requestAddress)) {
    dnRequest = true;
  }
  if (dnProtocolAddress == null || requestAddress.equals(serverAddress)) {
    clientRequest = true;
  }
  if (protocol.equals(ClientProtocol.class.getName())) {
    long namenodeVersion = ClientProtocol.versionID;
    if (namenodeVersion > clientVersion &&
        !ProtocolCompatible.isCompatibleClientProtocol(
            clientVersion, namenodeVersion)) {
      throw new RPC.VersionIncompatible(
          protocol, clientVersion, namenodeVersion);
    }
    return namenodeVersion;
  } else if (protocol.equals(DatanodeProtocol.class.getName()) && dnRequest){
    return DatanodeProtocol.versionID;
  } else if (protocol.equals(NamenodeProtocol.class.getName()) && clientRequest){
    return NamenodeProtocol.versionID;
  } else if (protocol.equals(RefreshAuthorizationPolicyProtocol.class.getName()) && clientRequest){
    return RefreshAuthorizationPolicyProtocol.versionID;
  } else {
    throw new IOException("Unknown protocol to name node: " + protocol);
  }
}
Example 4
Source File: NameNode.java    From hadoop-gpu with Apache License 2.0 5 votes vote down vote up 
public long getProtocolVersion(String protocol, 
                               long clientVersion) throws IOException { 
  if (protocol.equals(ClientProtocol.class.getName())) {
    return ClientProtocol.versionID; 
  } else if (protocol.equals(DatanodeProtocol.class.getName())){
    return DatanodeProtocol.versionID;
  } else if (protocol.equals(NamenodeProtocol.class.getName())){
    return NamenodeProtocol.versionID;
  } else if (protocol.equals(RefreshAuthorizationPolicyProtocol.class.getName())){
    return RefreshAuthorizationPolicyProtocol.versionID;
  } else {
    throw new IOException("Unknown protocol to name node: " + protocol);
  }
}