ceph/src/jaegertracing/thrift/lib/haxe/src/org/apache/thrift/protocol/TRecursionTracker.hx

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements. See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership. The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License. You may obtain a copy of the License at
   9  *
  10  *   http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing,
  13  * software distributed under the License is distributed on an
  14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15  * KIND, either express or implied. See the License for the
  16  * specific language governing permissions and limitations
  17  * under the License.
  18  */
  19
  20 package org.apache.thrift.protocol;
  21
  22 import org.apache.thrift.*;
  23
  24
  25 class TRecursionTracker {
  26
  27     // default
  28     private static inline var DEFAULT_RECURSION_DEPTH : Int = 64;
  29
  30     // limit and actual value
  31     public var recursionLimit : Int = DEFAULT_RECURSION_DEPTH;
  32     private var recursionDepth : Int = 0;
  33
  34     public function IncrementRecursionDepth() : Void
  35     {
  36         if (recursionDepth < recursionLimit)
  37             ++recursionDepth;
  38         else
  39             throw new TProtocolException(TProtocolException.DEPTH_LIMIT, "Depth limit exceeded");
  40     }
  41
  42     public function DecrementRecursionDepth() : Void
  43     {
  44         --recursionDepth;
  45     }
  46
  47
  48 }