fc::zipkin_span Struct Reference

#include <zipkin.hpp>

Inheritance diagram for fc::zipkin_span:

Collaboration diagram for fc::zipkin_span:

Classes
struct	span_data
struct	token

Public Member Functions
	zipkin_span (std::string name, uint64_t parent_id=0)
	zipkin_span (uint64_t id, std::string name, uint64_t parent_id=0)
	zipkin_span (const zipkin_span &)=delete
zipkin_span &	operator= (const zipkin_span &)=delete
zipkin_span &	operator= (zipkin_span &&)=delete
	zipkin_span (zipkin_span &&rhs) noexcept
	~zipkin_span ()
void	add_tag (const std::string &key, const std::string &var)
void	add_tag (const std::string &key, const char *var)
void	add_tag (const std::string &key, bool v)
template<typename T >
std::enable_if_t< std::is_arithmetic_v< std::remove_reference_t< T > >, void >	add_tag (const std::string &key, T &&var)
template<typename T >
std::enable_if_t<!std::is_arithmetic_v< std::remove_reference_t< T > >, void >	add_tag (const std::string &key, T &&var)
token	get_token () const

Static Public Member Functions
static uint64_t	to_id (const fc::sha256 &id)
template<typename T >
static uint64_t	to_id (const T &id)

Public Attributes
span_data	data

Detailed Description

Definition at line 60 of file zipkin.hpp.

Constructor & Destructor Documentation

zipkin_span() [1/4]

fc::zipkin_span::zipkin_span ( std::string name, uint64_t parent_id = 0 )

inlineexplicit

Definition at line 61 of file zipkin.hpp.

         : data( std::move( name ), parent_id ) {}

zipkin_span() [2/4]

fc::zipkin_span::zipkin_span ( uint64_t id, std::string name, uint64_t parent_id = 0 )

inlineexplicit

Definition at line 64 of file zipkin.hpp.

         : data( id, std::move( name ), parent_id ) {}

zipkin_span() [3/4]

fc::zipkin_span::zipkin_span ( const zipkin_span & )

delete

zipkin_span() [4/4]

fc::zipkin_span::zipkin_span ( zipkin_span && rhs )

inlinenoexcept

Definition at line 71 of file zipkin.hpp.

         : data( std::move( rhs.data ) ) {
      rhs.data.id = 0;
   }

~zipkin_span()

fc::zipkin_span::~zipkin_span

(

)

Definition at line 197 of file zipkin.cpp.

                          {
   if( data.id == 0 )
      return;
   try {
      if( zipkin_config::is_enabled() ) {
         data.stop = time_point::now();
         zipkin_config::get_zipkin().log( std::move( data ) );
      }
   } catch( ... ) {}
}

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Member Function Documentation

add_tag() [1/5]

void fc::zipkin_span::add_tag ( const std::string & key, bool v )

inline

Definition at line 88 of file zipkin.hpp.

                                                {
      // zipkin tags are required to be strings
      data.tags( key, v ? "true" : "false" );
   }

add_tag() [2/5]

void fc::zipkin_span::add_tag ( const std::string & key, const char * var )

inline

Definition at line 83 of file zipkin.hpp.

                                                         {
      // zipkin tags are required to be strings
      data.tags( key, var );
   }

add_tag() [3/5]

void fc::zipkin_span::add_tag ( const std::string & key, const std::string & var )

inline

Definition at line 78 of file zipkin.hpp.

                                                              {
      // zipkin tags are required to be strings
      data.tags( key, var );
   }

add_tag() [4/5]

template<typename T >

std::enable_if_t< std::is_arithmetic_v< std::remove_reference_t< T > >, void > fc::zipkin_span::add_tag ( const std::string & key, T && var )

inline

Definition at line 95 of file zipkin.hpp.

                                            {
      data.tags( key, std::to_string( std::forward<T>( var ) ) );
   }

add_tag() [5/5]

template<typename T >

std::enable_if_t<!std::is_arithmetic_v< std::remove_reference_t< T > >, void > fc::zipkin_span::add_tag ( const std::string & key, T && var )

inline

Definition at line 101 of file zipkin.hpp.

                                            {
      data.tags( key, (std::string) var );
   }

get_token()

token fc::zipkin_span::get_token ( ) const

inline

Definition at line 116 of file zipkin.hpp.

{ return token{data.id}; };

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operator=() [1/2]

zipkin_span & fc::zipkin_span::operator= ( const zipkin_span & )

delete

operator=() [2/2]

zipkin_span & fc::zipkin_span::operator= ( zipkin_span && )

delete

to_id() [1/2]

uint64_t fc::zipkin_span::to_id ( const fc::sha256 & id )

static

Definition at line 192 of file zipkin.cpp.

                                                {
   // avoid 0 since id of 0 is used as a flag
   return id._hash[3] == 0 ? 1 : id._hash[3];
}

to_id() [2/2]

template<typename T >

static uint64_t fc::zipkin_span::to_id ( const T & id )

inlinestatic

Definition at line 121 of file zipkin.hpp.

                                        {
      static_assert( std::is_same_v<decltype( id.data() ), const uint64_t*>, "expected uint64_t" );
      return id.data()[3];
   }

Member Data Documentation

data

span_data fc::zipkin_span::data

Definition at line 149 of file zipkin.hpp.

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The documentation for this struct was generated from the following files:

• libraries/fc/include/fc/log/zipkin.hpp
• libraries/fc/src/log/zipkin.cpp