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SSL_CTX_SESS_NUMBER(3) Library Functions Manual SSL_CTX_SESS_NUMBER(3)

SSL_CTX_sess_number, SSL_CTX_sess_connect, SSL_CTX_sess_connect_good, SSL_CTX_sess_connect_renegotiate, SSL_CTX_sess_accept, SSL_CTX_sess_accept_good, SSL_CTX_sess_accept_renegotiate, SSL_CTX_sess_hits, SSL_CTX_sess_cb_hits, SSL_CTX_sess_misses, SSL_CTX_sess_timeouts, SSL_CTX_sess_cache_fullobtain session cache statistics

#include <openssl/ssl.h>

long
SSL_CTX_sess_number(SSL_CTX *ctx);

long
SSL_CTX_sess_connect(SSL_CTX *ctx);

long
SSL_CTX_sess_connect_good(SSL_CTX *ctx);

long
SSL_CTX_sess_connect_renegotiate(SSL_CTX *ctx);

long
SSL_CTX_sess_accept(SSL_CTX *ctx);

long
SSL_CTX_sess_accept_good(SSL_CTX *ctx);

long
SSL_CTX_sess_accept_renegotiate(SSL_CTX *ctx);

long
SSL_CTX_sess_hits(SSL_CTX *ctx);

long
SSL_CTX_sess_cb_hits(SSL_CTX *ctx);

long
SSL_CTX_sess_misses(SSL_CTX *ctx);

long
SSL_CTX_sess_timeouts(SSL_CTX *ctx);

long
SSL_CTX_sess_cache_full(SSL_CTX *ctx);

SSL_CTX_sess_number() returns the current number of sessions in the internal session cache.

SSL_CTX_sess_connect() returns the number of started SSL/TLS handshakes in client mode.

SSL_CTX_sess_connect_good() returns the number of successfully established SSL/TLS sessions in client mode.

SSL_CTX_sess_connect_renegotiate() returns the number of started renegotiations in client mode.

SSL_CTX_sess_accept() returns the number of started SSL/TLS handshakes in server mode.

SSL_CTX_sess_accept_good() returns the number of successfully established SSL/TLS sessions in server mode.

SSL_CTX_sess_accept_renegotiate() returns the number of started renegotiations in server mode.

SSL_CTX_sess_hits() returns the number of successfully reused sessions. In client mode a session set with SSL_set_session(3) successfully reused is counted as a hit. In server mode a session successfully retrieved from internal or external cache is counted as a hit.

SSL_CTX_sess_cb_hits() returns the number of successfully retrieved sessions from the external session cache in server mode.

SSL_CTX_sess_misses() returns the number of sessions proposed by clients that were not found in the internal session cache in server mode.

SSL_CTX_sess_timeouts() returns the number of sessions proposed by clients and either found in the internal or external session cache in server mode, but that were invalid due to timeout. These sessions are not included in the SSL_CTX_sess_hits() count.

SSL_CTX_sess_cache_full() returns the number of sessions that were removed because the maximum session cache size was exceeded.

ssl(3), SSL_CTX_ctrl(3), SSL_CTX_sess_set_cache_size(3), SSL_CTX_set_session_cache_mode(3), SSL_set_session(3)

SSL_CTX_sess_number(), SSL_CTX_sess_connect(), SSL_CTX_sess_connect_good(), SSL_CTX_sess_accept(), SSL_CTX_sess_accept_good(), SSL_CTX_sess_hits(), SSL_CTX_sess_misses(), and SSL_CTX_sess_timeouts() first appeared in SSLeay 0.5.2. SSL_CTX_sess_cb_hits() first appeared in SSLeay 0.6.0. SSL_CTX_sess_connect_renegotiate(), SSL_CTX_sess_accept_renegotiate(), and SSL_CTX_sess_cache_full() first appeared in SSLeay 0.9.0. All these functions have been available since OpenBSD 2.4.

June 12, 2019 OpenBSD-current