kcenon::monitoring::thread_context_data Struct Reference

Enhanced thread context data for comprehensive request and trace tracking. More...

#include <thread_context.h>

Collaboration diagram for kcenon::monitoring::thread_context_data:

Public Member Functions
	thread_context_data ()
	Default constructor. Records the current time as start_time.
	thread_context_data (std::string req_id)
	Construct with a request ID. Records the current time as start_time.
void	add_tag (const std::string &key, const std::string &value)
	Add or update a custom tag.
std::string	get_tag (const std::string &key) const
	Retrieve a tag value by key.

Public Attributes
std::string	request_id
	Unique identifier for the current request.
std::string	correlation_id
	Correlation ID for cross-service tracing.
std::string	user_id
	User identifier associated with the request.
std::string	span_id
	Current span ID for distributed tracing.
std::string	trace_id
	Trace ID linking all spans in a trace.
std::chrono::steady_clock::time_point	start_time
	Context creation timestamp.
std::optional< std::string >	parent_span_id
	Parent span ID (if nested)
std::unordered_map< std::string, std::string >	tags
	Arbitrary key-value tags.

Detailed Description

Enhanced thread context data for comprehensive request and trace tracking.

Extends basic context metadata with distributed tracing fields (span_id, trace_id, parent_span_id) and timing information. Each instance records its creation time for elapsed duration calculations.

See also

thread_context For managing thread-local instances of this struct

Definition at line 107 of file thread_context.h.

Constructor & Destructor Documentation

thread_context_data() [1/2]

kcenon::monitoring::thread_context_data::thread_context_data ( )

inline

Default constructor. Records the current time as start_time.

Definition at line 120 of file thread_context.h.

: start_time(std::chrono::steady_clock::now()) {}

thread_context_data() [2/2]

kcenon::monitoring::thread_context_data::thread_context_data ( std::string req_id )

inlineexplicit

Construct with a request ID. Records the current time as start_time.

Parameters

req_id

Request identifier

Definition at line 126 of file thread_context.h.

        : request_id(std::move(req_id))
        , start_time(std::chrono::steady_clock::now()) {}

Member Function Documentation

add_tag()

void kcenon::monitoring::thread_context_data::add_tag ( const std::string & key, const std::string & value )

inline

Add or update a custom tag.

Parameters

key	Tag name
value	Tag value

Definition at line 135 of file thread_context.h.

                                                               {
        tags[key] = value;
    }

References tags.

Referenced by TEST_F(), TEST_F(), and TEST_F().

Here is the caller graph for this function:

get_tag()

std::string kcenon::monitoring::thread_context_data::get_tag ( const std::string & key ) const

inline

Retrieve a tag value by key.

Parameters

key	Tag name to look up

Returns

The tag value, or empty string if not found

Definition at line 144 of file thread_context.h.

                                                  {
        auto it = tags.find(key);
        return it != tags.end() ? it->second : "";
    }

References tags.

Referenced by TEST_F(), TEST_F(), and TEST_F().

Here is the caller graph for this function:

Member Data Documentation

correlation_id

std::string kcenon::monitoring::thread_context_data::correlation_id

Correlation ID for cross-service tracing.

Definition at line 109 of file thread_context.h.

Referenced by TEST(), TEST_F(), and TEST_F().

parent_span_id

std::optional<std::string> kcenon::monitoring::thread_context_data::parent_span_id

Parent span ID (if nested)

Definition at line 114 of file thread_context.h.

Referenced by TEST().

request_id

std::string kcenon::monitoring::thread_context_data::request_id

Unique identifier for the current request.

Definition at line 108 of file thread_context.h.

Referenced by TEST().

span_id

std::string kcenon::monitoring::thread_context_data::span_id

Current span ID for distributed tracing.

Definition at line 111 of file thread_context.h.

Referenced by TEST().

start_time

std::chrono::steady_clock::time_point kcenon::monitoring::thread_context_data::start_time

Context creation timestamp.

Definition at line 113 of file thread_context.h.

tags

std::unordered_map<std::string, std::string> kcenon::monitoring::thread_context_data::tags

Arbitrary key-value tags.

Definition at line 115 of file thread_context.h.

Referenced by add_tag(), get_tag(), and TEST().

trace_id

std::string kcenon::monitoring::thread_context_data::trace_id

Trace ID linking all spans in a trace.

Definition at line 112 of file thread_context.h.

Referenced by TEST().

user_id

std::string kcenon::monitoring::thread_context_data::user_id

User identifier associated with the request.

Definition at line 110 of file thread_context.h.

Referenced by TEST(), TEST_F(), TEST_F(), TEST_F(), TEST_F(), TEST_F(), and TEST_F().

---

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

• include/kcenon/monitoring/context/thread_context.h