/// <exception cref="Javax.Servlet.ServletException"/>
/// <exception cref="System.IO.IOException"/>
protected override void DoPut(HttpServletRequest request, HttpServletResponse response
)
{
try
{
ServletContext context = GetServletContext();
FSImage nnImage = NameNodeHttpServer.GetFsImageFromContext(context);
Configuration conf = (Configuration)GetServletContext().GetAttribute(JspHelper.CurrentConf
);
ImageServlet.PutImageParams parsedParams = new ImageServlet.PutImageParams(request
, response, conf);
NameNodeMetrics metrics = NameNode.GetNameNodeMetrics();
ValidateRequest(context, conf, request, response, nnImage, parsedParams.GetStorageInfoString
());
UserGroupInformation.GetCurrentUser().DoAs(new _PrivilegedExceptionAction_458(parsedParams
, nnImage, response, request, conf, metrics));
}
catch (Exception t)
{
// Metrics non-null only when used inside name node
// Now that we have a new checkpoint, we might be able to
// remove some old ones.
string errMsg = "PutImage failed. " + StringUtils.StringifyException(t);
response.SendError(HttpServletResponse.ScGone, errMsg);
throw new IOException(errMsg);
}
}
public _PrivilegedExceptionAction_458(ImageServlet.PutImageParams parsedParams, FSImage
nnImage, HttpServletResponse response, HttpServletRequest request, Configuration
conf, NameNodeMetrics metrics)
{
this.parsedParams = parsedParams;
this.nnImage = nnImage;
this.response = response;
this.request = request;
this.conf = conf;
this.metrics = metrics;
}