HDFS-3404. Make putImage in GetImageServlet infer remote address to fetch from request. Contributed by Aaron T. Myers.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1337755 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Myers 2012-05-13 02:51:33 +00:00
parent 810ae618fd
commit f22341ab1a
3 changed files with 11 additions and 6 deletions

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@ -454,6 +454,9 @@ Release 2.0.0 - UNRELEASED
HDFS-3211. Add fence(..) and replace NamenodeRegistration with JournalInfo
and epoch in JournalProtocol. (suresh via szetszwo)
HDFS-3404. Make putImage in GetImageServlet infer remote address to fetch
from request. (atm)
OPTIMIZATIONS
HDFS-3024. Improve performance of stringification in addStoredBlock (todd)

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@ -29,6 +29,7 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.commons.logging.Log;
@ -49,6 +50,7 @@ import org.apache.hadoop.util.StringUtils;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.net.InetAddresses;
/**
* This class is used in Namesystem's jetty to retrieve a file.
@ -282,8 +284,7 @@ public class GetImageServlet extends HttpServlet {
return "putimage=1" +
"&" + TXID_PARAM + "=" + txid +
"&port=" + imageListenAddress.getPort() +
"&machine=" + imageListenAddress.getHostName()
+ "&" + STORAGEINFO_PARAM + "=" +
"&" + STORAGEINFO_PARAM + "=" +
storage.toColonSeparatedString();
}
@ -310,7 +311,10 @@ public class GetImageServlet extends HttpServlet {
Map<String, String[]> pmap = request.getParameterMap();
isGetImage = isGetEdit = isPutImage = fetchLatest = false;
remoteport = 0;
machineName = null;
machineName = request.getRemoteHost();
if (InetAddresses.isInetAddress(machineName)) {
machineName = NetUtils.getHostNameOfIP(machineName);
}
for (Map.Entry<String, String[]> entry : pmap.entrySet()) {
String key = entry.getKey();
@ -335,8 +339,6 @@ public class GetImageServlet extends HttpServlet {
txId = parseLongParam(request, TXID_PARAM);
} else if (key.equals("port")) {
remoteport = new Integer(val[0]).intValue();
} else if (key.equals("machine")) {
machineName = val[0];
} else if (key.equals(STORAGEINFO_PARAM)) {
storageInfoString = val[0];
}

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@ -112,7 +112,7 @@ public class StandbyCheckpointer {
*/
private boolean checkAddress(String addrStr) {
InetSocketAddress addr = NetUtils.createSocketAddr(addrStr);
return addr.getPort() != 0 && !addr.getAddress().isAnyLocalAddress();
return addr.getPort() != 0;
}
public void start() {