afp_tcp_analytics.c File Reference

#include "afp_tcp_analytics.h"
#include <stdio.h>
#include <string.h>
#include <netinet/tcp.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include "dsi.h"

Macros
#define	KILOBYTE   1024
#define	MEGABYTE   (KILOBYTE*KILOBYTE)

Functions
void	tcp_analytics_init (TcpAnalyticsSession *session, TcpOutputFormat format, int enable_session)
	Initialize TCP analytics session.
int	tcp_analytics_capture (CONN *conn, TcpMetrics *metrics)
	Capture TCP metrics from connection socket via getsockopt().
int	tcp_analytics_session_start (TcpAnalyticsSession *session, CONN *conn)
	Mark session start - capture "initial" metrics for size sweep mode.
int	tcp_analytics_test_start (TcpAnalyticsSession *session, CONN *conn, off_t file_size)
	Mark test start - capture "before" metrics.
static void	print_per_test_comparison (const TcpAnalyticsSession *session)
	Print before/after TCP metrics comparison for single test.
int	tcp_analytics_test_end (TcpAnalyticsSession *session, CONN *conn)
	Mark test end - capture "after" metrics and print per-test comparison.
static void	print_session_summary (const TcpAnalyticsSession *session)
	Print initial/final TCP metrics summary for size sweep session.
int	tcp_analytics_session_end (TcpAnalyticsSession *session, CONN *conn)
	Mark session end - capture "final" metrics and print session summary.

Macro Definition Documentation

KILOBYTE

#define KILOBYTE   1024

MEGABYTE

#define MEGABYTE   (KILOBYTE*KILOBYTE)

Function Documentation

print_per_test_comparison()

void print_per_test_comparison ( const TcpAnalyticsSession * session )

static

Print before/after TCP metrics comparison for single test.

print_session_summary()

void print_session_summary ( const TcpAnalyticsSession * session )

static

Print initial/final TCP metrics summary for size sweep session.

tcp_analytics_capture()

int tcp_analytics_capture	(	CONN *	conn,
		TcpMetrics *	metrics )

Capture TCP metrics from connection socket via getsockopt().

Note

Supports Linux, FreeBSD, NetBSD, OpenBSD (TCP_INFO), macOS (TCP_CONNECTION_INFO)

tcp_analytics_init()

void tcp_analytics_init	(	TcpAnalyticsSession *	session,
		TcpOutputFormat	format,
		int	enable_session )

Initialize TCP analytics session.

Note

Must be called before any other tcp_analytics functions

tcp_analytics_session_end()

int tcp_analytics_session_end	(	TcpAnalyticsSession *	session,
		CONN *	conn )

Mark session end - capture "final" metrics and print session summary.

tcp_analytics_session_start()

int tcp_analytics_session_start	(	TcpAnalyticsSession *	session,
		CONN *	conn )

Mark session start - capture "initial" metrics for size sweep mode.

tcp_analytics_test_end()

int tcp_analytics_test_end	(	TcpAnalyticsSession *	session,
		CONN *	conn )

Mark test end - capture "after" metrics and print per-test comparison.

tcp_analytics_test_start()

int tcp_analytics_test_start	(	TcpAnalyticsSession *	session,
		CONN *	conn,
		off_t	file_size )

Mark test start - capture "before" metrics.