NAME

       memcached_stat_get_value - libmemcached Documentation

       Get memcached statistics

SYNOPSIS

       #include <libmemcached/memcached.h>

       memcached_stat_st

       memcached_return_t   (*memcached_stat_fn)(const   memcached_instance_st   * server,  const
       char *key, size_t key_length, const char *value, size_t value_length, void *context)

       memcached_stat_st              *memcached_stat(memcached_st *ptr,              char *args,
       memcached_return_t *error)

       memcached_return_t  memcached_stat_servername(memcached_stat_st *stat,  char *args,  const
       char *hostname, in_port_t port)

       char   *   memcached_stat_get_value(memcached_st *ptr,   memcached_stat_st *stat,    const
       char *key, memcached_return_t *error)

       char      **      memcached_stat_get_keys(memcached_st *ptr,      memcached_stat_st *stat,
       memcached_return_t *error)

       memcached_return_t    memcached_stat_execute(memcached_st *memc,     const     char *args,
       memcached_stat_fn func, void *context)

       Compile and link with -lmemcached

DESCRIPTION

       libmemcached(3) has the ability to query a memcached server (or collection of servers) for
       their current state. Queries to find state return a memcached_stat_st structure.  You  are
       responsible  for  freeing  this  structure.  While  it is possible to access the structure
       directly it is not advisable. memcached_stat_get_value() has been provided  to  query  the
       structure.

       memcached_stat_execute() uses the servers found in memcached_stat_st and executes a "stat"
       command on each server. args is an optional argument that can be passed in to  modify  the
       behavior  of  "stats".  You  will need to supply a callback function that will be supplied
       each pair of values returned by the memcached server.

       memcached_stat() fetches an array of memcached_stat_st structures containing the state  of
       all  available  memcached  servers.  The  return  value  must  be  freed  by  the  calling
       application. If called with the MEMCACHED_BEHAVIOR_USE_UDP behavior set, a NULL  value  is
       returned and the error parameter is set to MEMCACHED_NOT_SUPPORTED.

       memcached_stat_servername()  can  be  used standalone without a memcached_st to obtain the
       state of a particular server.  "args" is used to define a particular state object (a  list
       of  these  are  not provided for by either the memcached_stat_get_keys() call nor are they
       defined in the memcached protocol). You must specify the hostname and port of  the  server
       you want to obtain information on.

       memcached_stat_get_value()  returns  the  value of a particular state key. You specify the
       key you wish to obtain.  The key must be null terminated.

       memcached_stat_get_keys() returns a list of keys that the server has state objects on. You
       are responsible for freeing this list.

       A  command  line  tool,  memstat(1),  is  provided  so  that  you  do not have to write an
       application to do this.

RETURN

       Varies, see particular functions.

       Any method returning a memcached_stat_st expects you to free the memory allocated for it.

HOME

       To find out more information please check: http://libmemcached.org/

AUTHOR

       Brian Aker, <brian@tangent.org>

SEE ALSO

       memcached(1) libmemcached(3) memcached_strerror(3)

AUTHOR

       Brian Aker

COPYRIGHT

       2011-2013, Brian Aker DataDifferential, http://datadifferential.com/