SSL_CTX_sess_set_cache_size, SSL_CTX_sess_get_cache_size -
       manipulate session cache size


SYNOPSIS

        #include <openssl/ssl.h>

        long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, long t);
        long SSL_CTX_sess_get_cache_size(SSL_CTX *ctx);


DESCRIPTION

       SSL_CTX_sess_set_cache_size() sets the size of the
       internal session cache of context ctx to t.

       SSL_CTX_sess_get_cache_size() returns the currently valid
       session cache size.


NOTES

       The internal session cache size is
       SSL_SESSION_CACHE_MAX_SIZE_DEFAULT, currently 1024*20, so
       that up to 20000 sessions can be held. This size can be
       modified using the SSL_CTX_sess_set_cache_size() call. A
       special case is the size 0, which is used for unlimited
       size.

       When the maximum number of sessions is reached, no more
       new sessions are added to the cache. New space may be
       added by calling SSL_CTX_flush_sessions(3) to remove
       expired sessions.

       If the size of the session cache is reduced and more
       sessions are already in the session cache, old session
       will be removed at the next time a session shall be added.
       This removal is not synchronized with the expiration of
       sessions.


RETURN VALUES

       SSL_CTX_sess_set_cache_size() returns the previously valid
       size.

       SSL_CTX_sess_get_cache_size() returns the currently valid
       size.


SEE ALSO

       ssl(3), SSL_CTX_set_session_cache_mode(3),
       SSL_CTX_sess_number(3), SSL_CTX_flush_sessions(3)



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