SSL_CTX_flush_sessions, SSL_flush_sessions - remove
expired sessions
SYNOPSIS
#include <openssl/ssl.h>
void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
void SSL_flush_sessions(SSL_CTX *ctx, long tm);
DESCRIPTION
SSL_CTX_flush_sessions() causes a run through the session
cache of ctx to remove sessions expired at time tm.
SSL_flush_sessions() is a synonym for
SSL_CTX_flush_sessions().
NOTES
If enabled, the internal session cache will collect all
sessions established up to the specified maximum number
(see SSL_CTX_sess_set_cache_size()). As sessions will not
be reused ones they are expired, they should be removed
from the cache to save resources. This can either be done
automatically whenever 255 new sessions were established
(see SSL_CTX_set_session_cache_mode(3)) or manually by
calling SSL_CTX_flush_sessions().
The parameter tm specifies the time which should be used
for the expiration test, in most cases the actual time
given by time(0) will be used.
SSL_CTX_flush_sessions() will only check sessions stored
in the internal cache. When a session is found and
removed, the remove_session_cb is however called to
synchronize with the external cache (see
SSL_CTX_sess_set_get_cb(3)).
RETURN VALUES
SEE ALSO
ssl(3), SSL_CTX_set_session_cache_mode(3),
SSL_CTX_set_timeout(3), SSL_CTX_sess_set_get_cb(3)
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