1LIBMEMCACHED_EXAMPLES(3)         libmemcached         LIBMEMCACHED_EXAMPLES(3)
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NAME

6       libmemcached_examples - libmemcached Documentation
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8       Examples for libmemcached
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DESCRIPTION

11       For  full  examples, test cases are found in tests/*.c in the main dis‐
12       tribution. These are always up to date, and are used for each test  run
13       of the library.
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CONNECTING TO SERVERS

16          const char *config_string= "--SERVER=host10.example.com --SERVER=host11.example.com --SERVER=host10.example.com"
17          memcached_st *memc= memcached(config_string, strlen(config_string);
18          {
19          ...
20          }
21           memcached_free(memc);
22
23       In the above code you create a memcached_st object with three server by
24       making use of memcached_create().
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CREATING A POOL OF SERVERS

27       Creating a pool of Servers:
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29          const char *config_string= "--SERVER=host10.example.com --SERVER=host11.example.com --SERVER=host10.example.com";
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31          memcached_pool_st* pool= memcached_pool(config_string, strlen(config_string));
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33          memcached_return_t rc;
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35          memcached_st *memc= memcached_pool_pop(pool, false, &rc);
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37          .... do work
38
39          /*
40            Release the memc_ptr that was pulled from the pool
41          */
42          memcached_pool_push(pool, memc);
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44          /*
45            Destroy the pool.
46          */
47          memcached_pool_destroy(pool);
48
49       In the above code you create  a  memcached_pool_st  object  with  three
50       server by making use of memcached_pool().
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52       When memcached_pool_destroy() all memory will be released that is asso‐
53       ciated with the pool.
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ADDING A VALUE TO THE SERVER

56       Adding a value to the Server:
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58          char *key= "foo";
59          char *value= "value";
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61          memcached_return_t rc= memcached_set(memc, key, strlen(key), value, value_length, (time_t)0, (uint32_t)0);
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63          if (rc != MEMCACHED_SUCCESS)
64          {
65          ... // handle failure
66          }
67
68       It is best practice to always look at the return value  of  any  opera‐
69       tion.
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FETCHING MULTIPLE VALUES

72          memcached_return_t rc;
73          char *keys[]= {"fudge", "son", "food"};
74          size_t key_length[]= {5, 3, 4};
75          unsigned int x;
76          uint32_t flags;
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78          char return_key[MEMCACHED_MAX_KEY];
79          size_t return_key_length;
80          char *return_value;
81          size_t return_value_length;
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83          rc= memcached_mget(memc, keys, key_length, 3);
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85          x= 0;
86          while ((return_value= memcached_fetch(memc, return_key, &return_key_length,
87                                                &return_value_length, &flags, &rc)))
88          {
89            free(return_value);
90            x++;
91          }
92
93       Notice  that  you  freed  values  returned  from memcached_fetch(). The
94       define MEMCACHED_MAX_KEY is provided for usage.
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HOME

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

100       memcached(1)
101

AUTHOR

103       Brian Aker
104

106       2011-2013, Brian Aker DataDifferential, http://datadifferential.com/
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1111.0.18                         February 09, 2014      LIBMEMCACHED_EXAMPLES(3)
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