1/*
2* Copyright (c) 2014, The Linux Foundation. All rights reserved.
3*
4* Redistribution and use in source and binary forms, with or without modification, are permitted
5* provided that the following conditions are met:
6*    * Redistributions of source code must retain the above copyright notice, this list of
7*      conditions and the following disclaimer.
8*    * Redistributions in binary form must reproduce the above copyright notice, this list of
9*      conditions and the following disclaimer in the documentation and/or other materials provided
10*      with the distribution.
11*    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
12*      endorse or promote products derived from this software without specific prior written
13*      permission.
14*
15* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17* NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
21* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23*/
24
25#ifndef __DUMP_IMPL_H__
26#define __DUMP_IMPL_H__
27
28#include <core/dump_interface.h>
29
30namespace sdm {
31
32class DumpImpl {
33 public:
34  // To be implemented in the modules which will add dump information to final dump buffer.
35  // buffer address & length will be already adjusted before calling into these modules.
36  virtual void AppendDump(char *buffer, uint32_t length) = 0;
37  static void AppendString(char *buffer, uint32_t length, const char *format, ...);
38
39 protected:
40  DumpImpl();
41  virtual ~DumpImpl();
42
43 private:
44  static const uint32_t kMaxDumpObjects = 32;
45
46  static void Register(DumpImpl *dump_impl);
47  static void Unregister(DumpImpl *dump_impl);
48
49  static DumpImpl *dump_list_[kMaxDumpObjects];
50  static uint32_t dump_count_;
51
52  friend class DumpInterface;
53};
54
55}  // namespace sdm
56
57#endif  // __DUMP_IMPL_H__
58
59