Java Server.getRemoteAddress方法代码示例

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public KillJobResponse killJob(KillJobRequest request) 
  throws IOException {
  JobId jobId = request.getJobId();
  UserGroupInformation callerUGI = UserGroupInformation.getCurrentUser();
  String message = "Kill job " + jobId + " received from " + callerUGI
      + " at " + Server.getRemoteAddress();
  LOG.info(message);
  verifyAndGetJob(jobId, JobACL.MODIFY_JOB, false);
  appContext.getEventHandler().handle(
      new JobDiagnosticsUpdateEvent(jobId, message));
  appContext.getEventHandler().handle(
      new JobEvent(jobId, JobEventType.JOB_KILL));
  KillJobResponse response = 
    recordFactory.newRecordInstance(KillJobResponse.class);
  return response;
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public KillTaskResponse killTask(KillTaskRequest request) 
  throws IOException {
  TaskId taskId = request.getTaskId();
  UserGroupInformation callerUGI = UserGroupInformation.getCurrentUser();
  String message = "Kill task " + taskId + " received from " + callerUGI
      + " at " + Server.getRemoteAddress();
  LOG.info(message);
  verifyAndGetTask(taskId, JobACL.MODIFY_JOB);
  appContext.getEventHandler().handle(
      new TaskEvent(taskId, TaskEventType.T_KILL));
  KillTaskResponse response = 
    recordFactory.newRecordInstance(KillTaskResponse.class);
  return response;
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public KillTaskAttemptResponse killTaskAttempt(
    KillTaskAttemptRequest request) throws IOException {
  TaskAttemptId taskAttemptId = request.getTaskAttemptId();
  UserGroupInformation callerUGI = UserGroupInformation.getCurrentUser();
  String message = "Kill task attempt " + taskAttemptId
      + " received from " + callerUGI + " at "
      + Server.getRemoteAddress();
  LOG.info(message);
  verifyAndGetAttempt(taskAttemptId, JobACL.MODIFY_JOB);
  appContext.getEventHandler().handle(
      new TaskAttemptDiagnosticsUpdateEvent(taskAttemptId, message));
  appContext.getEventHandler().handle(
      new TaskAttemptEvent(taskAttemptId, 
          TaskAttemptEventType.TA_KILL));
  KillTaskAttemptResponse response = 
    recordFactory.newRecordInstance(KillTaskAttemptResponse.class);
  return response;
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public FailTaskAttemptResponse failTaskAttempt(
    FailTaskAttemptRequest request) throws IOException {
  TaskAttemptId taskAttemptId = request.getTaskAttemptId();
  UserGroupInformation callerUGI = UserGroupInformation.getCurrentUser();
  String message = "Fail task attempt " + taskAttemptId
      + " received from " + callerUGI + " at "
      + Server.getRemoteAddress();
  LOG.info(message);
  verifyAndGetAttempt(taskAttemptId, JobACL.MODIFY_JOB);
  appContext.getEventHandler().handle(
      new TaskAttemptDiagnosticsUpdateEvent(taskAttemptId, message));
  appContext.getEventHandler().handle(
      new TaskAttemptEvent(taskAttemptId, 
          TaskAttemptEventType.TA_FAILMSG));
  FailTaskAttemptResponse response = recordFactory.
    newRecordInstance(FailTaskAttemptResponse.class);
  return response;
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public FailTaskAttemptResponse failTaskAttempt(
    FailTaskAttemptRequest request) throws IOException {
  TaskAttemptId taskAttemptId = request.getTaskAttemptId();
  UserGroupInformation callerUGI = UserGroupInformation.getCurrentUser();
  String message = "Fail task attempt " + taskAttemptId
      + " received from " + callerUGI + " at "
      + Server.getRemoteAddress();
  LOG.info(message);
  verifyAndGetAttempt(taskAttemptId, JobACL.MODIFY_JOB);
  appContext.getEventHandler().handle(
      new TaskAttemptDiagnosticsUpdateEvent(taskAttemptId, message));
  appContext.getEventHandler().handle(
      new TaskAttemptEvent(taskAttemptId, 
          TaskAttemptEventType.TA_FAILMSG_BY_CLIENT));
  FailTaskAttemptResponse response = recordFactory.
    newRecordInstance(FailTaskAttemptResponse.class);
  return response;
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
/**
 * Check that a request to change this node's HA state is valid.
 * In particular, verifies that, if auto failover is enabled, non-forced
 * requests from the HAAdmin CLI are rejected, and vice versa.
 *
 * @param req the request to check
 * @throws AccessControlException if the request is disallowed
 */
void checkHaStateChange(StateChangeRequestInfo req)
    throws AccessControlException {
  boolean autoHaEnabled = conf.getBoolean(DFS_HA_AUTO_FAILOVER_ENABLED_KEY,
      DFS_HA_AUTO_FAILOVER_ENABLED_DEFAULT);
  switch (req.getSource()) {
  case REQUEST_BY_USER:
    if (autoHaEnabled) {
      throw new AccessControlException(
          "Manual HA control for this NameNode is disallowed, because " +
          "automatic HA is enabled.");
    }
    break;
  case REQUEST_BY_USER_FORCED:
    if (autoHaEnabled) {
      LOG.warn("Allowing manual HA control from " +
          Server.getRemoteAddress() +
          " even though automatic HA is enabled, because the user " +
          "specified the force flag");
    }
    break;
  case REQUEST_BY_ZKFC:
    if (!autoHaEnabled) {
      throw new AccessControlException(
          "Request from ZK failover controller at " +
          Server.getRemoteAddress() + " denied since automatic HA " +
          "is not enabled"); 
    }
    break;
  }
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
private static String getClientMachine() {
  String clientMachine = NamenodeWebHdfsMethods.getRemoteAddress();
  if (clientMachine == null) { //not a web client
    clientMachine = Server.getRemoteAddress();
  }
  if (clientMachine == null) { //not a RPC client
    clientMachine = "";
  }
  return clientMachine;
}
 

import org.apache.hadoop.ipc.Server; //导入方法依赖的package包/类
@Override
protected void checkRpcAdminAccess() throws IOException, AccessControlException {
  UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
  UserGroupInformation zkfcUgi = UserGroupInformation.getLoginUser();
  if (adminAcl.isUserAllowed(ugi) ||
      ugi.getShortUserName().equals(zkfcUgi.getShortUserName())) {
    LOG.info("Allowed RPC access from " + ugi + " at " + Server.getRemoteAddress());
    return;
  }
  String msg = "Disallowed RPC access from " + ugi + " at " +
      Server.getRemoteAddress() + ". Not listed in " + DFSConfigKeys.DFS_ADMIN; 
  LOG.warn(msg);
  throw new AccessControlException(msg);
}