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Linux 2.6 - man page for ssl_session_cache_api (linux section 3erl)

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ssl_session_cache_api(3erl)	     Erlang Module Definition	      ssl_session_cache_api(3erl)

       ssl_session_cache_api - Defines the API for the TLS session cache so
	   that the data storage scheme can be replaced by
	   defining a new callback module implementing this API.

       The following data types are used in the functions below:

       cache_ref() = opaque()

       key() = {partialkey(), session_id()}

       partialkey() = opaque()

       session_id() = binary()

       session() = opaque()

       delete(Cache, Key) -> _

	      Types  Cache = cache_ref()
		     Key = key()

	      Deletes a cache entry. Will only be called from the cache handling process.

       foldl(Fun, Acc0, Cache) -> Acc


	      Calls  Fun(Elem, AccIn) on successive elements of the cache, starting with AccIn ==
	      Acc0. Fun/2 must return a new accumulator which is passed to  the  next  call.  The
	      function	returns the final value of the accumulator. Acc0 is returned if the cache
	      is empty.

       init() -> opaque()


	      Performs possible initializations of the cache and returns a reference to  it  that
	      will  be	used as parameter to the other api functions. Will be called by the cache
	      handling processes init function, hence putting the same requirements on	it  as	a
	      normal process init function.

       lookup(Cache, Key) -> Entry

	      Types  Cache = cache_ref()
		     Key = key()
		     Entry = session() | undefined

	      Looks up a cache entry. Should be callable from any process.

       select_session(Cache, PartialKey) -> [session()]

	      Types  Cache = cache_ref()
		     PartialKey = partialkey()
		     Session = session()

	      Selects sessions that could be reused. Should be callable from any process.

       terminate(Cache) -> _

	      Types  Cache = term() - as returned by init/0

	      Takes  care of possible cleanup that is needed when the cache handling process ter-

       update(Cache, Key, Session) -> _

	      Types  Cache = cache_ref()
		     Key = key()
		     Session = session()

	      Caches a new session or updates a already cached one. Will only be called from  the
	      cache handling process.

Ericsson AB				    ssl 4.1.4		      ssl_session_cache_api(3erl)
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