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Commit 6ba7c206 authored by Chris Manton's avatar Chris Manton
Browse files

Introduce btm circular buffer history 

Toward loggable code

Bug: 163134718
Tag: #refactor
Test: gd/cert/run --host

Change-Id: If9ed3213f8a8a96a1ea5d6ad530c7952bf312346
parent 35de2884

system/stack/btm/btm_int_types.h

+26 −0
Original line number Diff line number Diff line
@@ -19,7 +19,10 @@ 
#define BTM_INT_TYPES_H



#include <cstdint>

#include <memory>

#include <string>



#include "gd/common/circular_buffer.h"

#include "osi/include/list.h"

#include "stack/acl/acl.h"

#include "stack/btm/btm_ble_int_types.h"
@@ -39,6 +42,27 @@ 


#define BTM_MAX_SCN_ 31  // PORT_MAX_RFC_PORTS packages/modules/Bluetooth/system/stack/include/rfcdefs.h



constexpr size_t kMaxLogSize = 255;

class TimestampedStringCircularBuffer

    : public bluetooth::common::TimestampedCircularBuffer<std::string> {

 public:

  explicit TimestampedStringCircularBuffer(size_t size)

      : bluetooth::common::TimestampedCircularBuffer<std::string>(size) {}



  void Push(std::string s) {

    bluetooth::common::TimestampedCircularBuffer<std::string>::Push(

        s.substr(0, kMaxLogSize));

  }



  template <typename... Args>

  void Push(Args... args) {

    char buf[kMaxLogSize];

    std::snprintf(buf, sizeof(buf), args...);

    bluetooth::common::TimestampedCircularBuffer<std::string>::Push(

        std::string(buf));

  }

};



/*

 * Define device configuration structure

*/
@@ -288,6 +312,8 @@ typedef struct { 


  tACL_CB acl_cb_;



  std::shared_ptr<TimestampedStringCircularBuffer> history_{nullptr};



 private:

  friend uint8_t BTM_AllocateSCN(void);

  friend bool BTM_TryAllocateSCN(uint8_t scn);