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      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 
     30 namespace sdm {
     31 
     32 class 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