blob: 0f26ad69c85ec7019616be0cbceb40dfef2282f4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __UTILS_H
#define __UTILS_H
#include <sstream>
#include <ostream>
#include <fstream>
#include <string>
#include <boost/thread.hpp>
#include "drill/common.hpp"
#include "drill/drillClient.hpp"
namespace Drill{
// Wrapper Class to keep track of allocated memory
class AllocatedBuffer{
public:
AllocatedBuffer(size_t l);
~AllocatedBuffer();
ByteBuf_t m_pBuffer;
size_t m_bufSize;
// keep track of allocated memory. The client lib blocks
// if we have allocated up to a limit (defined in drillClientConfig).
static boost::mutex s_memCVMutex;
static boost::condition_variable s_memCV;
static size_t s_allocatedMem;
static bool s_isBufferLimitReached;
};
class Utils{
public:
//allocate memory for Record Batches
static ByteBuf_t allocateBuffer(size_t len);
static void freeBuffer(ByteBuf_t b, size_t len);
}; // Utils
} // namespace Drill
#endif
|
