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San Mehata19b2502010-01-06 10:33:53 -08001/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _LOOP_H
18#define _LOOP_H
19
20#include <unistd.h>
21#include <linux/loop.h>
22
San Mehatd9a4e352010-03-12 13:32:47 -080023class SocketClient;
24
San Mehata19b2502010-01-06 10:33:53 -080025class Loop {
26public:
San Mehatb78a32c2010-01-10 13:02:12 -080027 static const int LOOP_MAX = 4096;
San Mehata19b2502010-01-06 10:33:53 -080028public:
San Mehatd9a4e352010-03-12 13:32:47 -080029 static int lookupActive(const char *id, char *buffer, size_t len);
Kenny Root344ca102012-04-03 17:23:01 -070030 static int lookupInfo(const char *loopDevice, struct asec_superblock *sb, unsigned int *nr_sec);
San Mehatd9a4e352010-03-12 13:32:47 -080031 static int create(const char *id, const char *loopFile, char *loopDeviceBuffer, size_t len);
San Mehata19b2502010-01-06 10:33:53 -080032 static int destroyByDevice(const char *loopDevice);
33 static int destroyByFile(const char *loopFile);
San Mehat8b8f71b2010-01-11 09:17:25 -080034 static int createImageFile(const char *file, unsigned int numSectors);
Daniel Rosenbergfcd34a02014-05-22 11:23:56 -070035 static int resizeImageFile(const char *file, unsigned int numSectors);
San Mehatd9a4e352010-03-12 13:32:47 -080036
37 static int dumpState(SocketClient *c);
San Mehata19b2502010-01-06 10:33:53 -080038};
39
40#endif