Counts of connections in each TCP state. More...

#include <network_metrics_collector.h>

Collaboration diagram for kcenon::monitoring::tcp_state_counts:

Public Member Functions
uint64_t	get_count (tcp_state state) const

void	increment (tcp_state state)

uint64_t	total () const

Public Attributes
uint64_t	established {0}
	ESTABLISHED connections.

uint64_t	syn_sent {0}
	SYN_SENT connections.

uint64_t	syn_recv {0}
	SYN_RECV connections.

uint64_t	fin_wait1 {0}
	FIN_WAIT1 connections.

uint64_t	fin_wait2 {0}
	FIN_WAIT2 connections.

uint64_t	time_wait {0}
	TIME_WAIT connections.

uint64_t	close {0}
	CLOSE connections.

uint64_t	close_wait {0}
	CLOSE_WAIT connections (leak indicator)

uint64_t	last_ack {0}
	LAST_ACK connections.

uint64_t	listen {0}
	LISTEN sockets.

uint64_t	closing {0}
	CLOSING connections.

uint64_t	unknown {0}
	Unknown state connections.

Detailed Description

Counts of connections in each TCP state.

Definition at line 85 of file network_metrics_collector.h.

Member Function Documentation

◆ get_count()

uint64_t kcenon::monitoring::tcp_state_counts::get_count ( tcp_state state ) const

inline

Get count for a specific state

Parameters

state The TCP state

Returns: Count of connections in that state

Definition at line 104 of file network_metrics_collector.h.

                                              {
        switch (state) {
            case tcp_state::ESTABLISHED: return established;
            case tcp_state::SYN_SENT: return syn_sent;
            case tcp_state::SYN_RECV: return syn_recv;
            case tcp_state::FIN_WAIT1: return fin_wait1;
            case tcp_state::FIN_WAIT2: return fin_wait2;
            case tcp_state::TIME_WAIT: return time_wait;
            case tcp_state::CLOSE: return close;
            case tcp_state::CLOSE_WAIT: return close_wait;
            case tcp_state::LAST_ACK: return last_ack;
            case tcp_state::LISTEN: return listen;
            case tcp_state::CLOSING: return closing;
            default: return unknown;
        }
    }

References kcenon::monitoring::CLOSE, close, kcenon::monitoring::CLOSE_WAIT, close_wait, kcenon::monitoring::CLOSING, closing, kcenon::monitoring::ESTABLISHED, established, kcenon::monitoring::FIN_WAIT1, fin_wait1, kcenon::monitoring::FIN_WAIT2, fin_wait2, kcenon::monitoring::LAST_ACK, last_ack, kcenon::monitoring::LISTEN, listen, kcenon::monitoring::SYN_RECV, syn_recv, kcenon::monitoring::SYN_SENT, syn_sent, kcenon::monitoring::TIME_WAIT, time_wait, and unknown.

◆ increment()

void kcenon::monitoring::tcp_state_counts::increment ( tcp_state state )

inline

Increment count for a specific state

Parameters

state The TCP state to increment

Definition at line 125 of file network_metrics_collector.h.

                                    {
        switch (state) {
            case tcp_state::ESTABLISHED: ++established; break;
            case tcp_state::SYN_SENT: ++syn_sent; break;
            case tcp_state::SYN_RECV: ++syn_recv; break;
            case tcp_state::FIN_WAIT1: ++fin_wait1; break;
            case tcp_state::FIN_WAIT2: ++fin_wait2; break;
            case tcp_state::TIME_WAIT: ++time_wait; break;
            case tcp_state::CLOSE: ++close; break;
            case tcp_state::CLOSE_WAIT: ++close_wait; break;
            case tcp_state::LAST_ACK: ++last_ack; break;
            case tcp_state::LISTEN: ++listen; break;
            case tcp_state::CLOSING: ++closing; break;
            default: ++unknown; break;
        }
    }

References kcenon::monitoring::CLOSE, close, kcenon::monitoring::CLOSE_WAIT, close_wait, kcenon::monitoring::CLOSING, closing, kcenon::monitoring::ESTABLISHED, established, kcenon::monitoring::FIN_WAIT1, fin_wait1, kcenon::monitoring::FIN_WAIT2, fin_wait2, kcenon::monitoring::LAST_ACK, last_ack, kcenon::monitoring::LISTEN, listen, kcenon::monitoring::SYN_RECV, syn_recv, kcenon::monitoring::SYN_SENT, syn_sent, kcenon::monitoring::TIME_WAIT, time_wait, and unknown.

◆ total()

uint64_t kcenon::monitoring::tcp_state_counts::total ( ) const

inline

Get total connection count

Returns: Total number of connections across all states

Definition at line 146 of file network_metrics_collector.h.

                           {
        return established + syn_sent + syn_recv + fin_wait1 + fin_wait2 +
               time_wait + close + close_wait + last_ack + listen + closing + unknown;
    }