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memcached_server_count, memcached_server_list, memcached_server_add, memcached_server_push, memcached_server_get_last_disconnect, memcached_server_cursor - Manage server list
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C Client Library for memcached (libmemcached, -lmemcached)
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#include <memcached.h>
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uint32_t memcached_server_count (memcached_st *ptr);
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memcached_server_add (memcached_st *ptr,
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memcached_server_add_udp (memcached_st *ptr,
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memcached_server_add_unix_socket (memcached_st *ptr,
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memcached_server_push (memcached_st *ptr,
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const memcached_server_st *list);
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memcached_server_instance_st
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memcached_server_by_key (const memcached_st *ptr,
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memcached_return_t *error);
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memcached_server_instance_st
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memcached_server_get_last_disconnect (const memcached_st *ptr)
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memcached_server_cursor(const memcached_st *ptr,
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const memcached_server_fn *callback,
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uint32_t number_of_callbacks);
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libmemcached(3) performs operations on a list of hosts. The order of these
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hosts determine routing to keys. Functions are provided to add keys to
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memcached_st structures. To manipulate lists of servers see
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memcached_server_st(3).
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memcached_server_count() provides you a count of the current number of
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servers being used by a C<memcached_st> structure.
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memcached_server_add() pushes a single TCP server into the C<memcached_st>
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structure. This server will be placed at the end. Duplicate servers are
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allowed, so duplication is not checked. Executing this function with the
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C<MEMCACHED_BEHAVIOR_USE_UDP> behavior set will result in a
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C<MEMCACHED_INVALID_HOST_PROTOCOL>.
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memcached_server_add_udp() pushes a single UDP server into the C<memcached_st>
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structure. This server will be placed at the end. Duplicate servers are
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allowed, so duplication is not checked. Executing this function with out
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setting the C<MEMCACHED_BEHAVIOR_USE_UDP> behavior will result in a
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C<MEMCACHED_INVALID_HOST_PROTOCOL>.
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memcached_server_add_unix_socket() pushes a single UNIX socket into the
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C<memcached_st> structure. This UNIX socket will be placed at the end.
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Duplicate servers are allowed, so duplication is not checked. The length
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of the filename must be one character less then MEMCACHED_MAX_HOST_LENGTH.
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memcached_server_push() pushes an array of C<memcached_server_st> into
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the C<memcached_st> structure. These servers will be placed at the
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end. Duplicate servers are allowed, so duplication is not checked. A
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copy is made of structure so the list provided (and any operations on
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the list) are not saved.
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memcached_server_by_key() allows you to provide a key and retrieve the
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server which would be used for assignment. This structure is cloned
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from its original structure and must be freed. If NULL is returned you
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should consult *error. The returning structure should be freed with
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memcached_server_free().
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memcached_server_get_last_disconnect() returns a pointer to the last server
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for which there was a connection problem. It does not mean this particular
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server is currently dead but if the library is reporting a server is,
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the returned server is a very good candidate.
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memcached_server_cursor() takes a memcached_st and loops through the
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list of hosts currently in the cursor calling the list of callback
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functions provided. You can optionally pass in a value via
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context which will be provided to each callback function. An error
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return from any callback will terminate the loop. memcached_server_cursor()
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is passed the original caller memcached_st in its current state.
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Varies, see particular functions.
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To find out more information please check:
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L<https://launchpad.net/libmemcached>
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Brian Aker, E<lt>brian@tangent.orgE<gt>
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memcached(1) libmemcached(3) memcached_strerror(3)