@Override
public void channelRead0(final ChannelHandlerContext ctx, final HttpRequest req)
throws Exception {
Preconditions.checkArgument(req.uri().startsWith(WEBHDFS_PREFIX));
QueryStringDecoder queryString = new QueryStringDecoder(req.uri());
params = new ParameterParser(queryString, conf);
DataNodeUGIProvider ugiProvider = new DataNodeUGIProvider(params);
ugi = ugiProvider.ugi();
path = params.path();
injectToken();
ugi.doAs(
new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
handle(ctx, req);
return null;
}
});
}
