-#ifdef USE_PRAGMA_INTERFACE
-#pragma interface /* gcc class implementation */
-#endif
+#include <libmemcached/memcached.h>
-#include <memcached.h>
-#include <string.h>
-#include <stdio.h>
+#include <string>
class Memcached
{
- memcached_st memc;
-
public:
- Memcached()
+ Memcached()
+ :
+ memc(),
+ result()
{
memcached_create(&memc);
}
- Memcached(memcached_st *clone)
+ Memcached(memcached_st *clone)
+ :
+ memc(),
+ result()
{
- WATCHPOINT;
memcached_clone(&memc, clone);
- WATCHPOINT;
}
- char *get(char *key, size_t *value_length)
+ ~Memcached()
+ {
+ memcached_free(&memc);
+ }
+
+ std::string fetch(std::string& key, size_t *key_length, size_t *value_length)
{
uint32_t flags;
memcached_return rc;
+ std::string ret_val;
- return memcached_get(&memc, key, strlen(key),
- value_length, &flags, &rc);
+ char *value= memcached_fetch(&memc, const_cast<char *>(key.c_str()), key_length,
+ value_length, &flags, &rc);
+ if (value)
+ {
+ ret_val.assign(value);
+ }
+ return ret_val;
}
- char *get_by_key(char *master_key, char *key, size_t *value_length)
+ std::string get(const std::string& key, size_t *value_length)
{
uint32_t flags;
memcached_return rc;
+ std::string ret_val;
- return memcached_get_by_key(&memc, master_key, strlen(master_key), key, strlen(key),
- value_length, &flags, &rc);
+ char *value= memcached_get(&memc, key.c_str(), key.length(),
+ value_length, &flags, &rc);
+ if (value)
+ {
+ ret_val.assign(value);
+ }
+ return ret_val;
}
- memcached_return mget(char **keys, size_t *key_length, unsigned int number_of_keys)
+ std::string get_by_key(const std::string& master_key,
+ const std::string& key,
+ size_t *value_length)
{
+ uint32_t flags;
+ memcached_return rc;
+ std::string ret_val;
- return memcached_mget(&memc, keys, key_length, number_of_keys);
+ char *value= memcached_get_by_key(&memc, master_key.c_str(), master_key.length(),
+ key.c_str(), key.length(),
+ value_length, &flags, &rc);
+ if (value)
+ {
+ ret_val.assign(value);
+ }
+ return ret_val;
}
- memcached_return set(char *key, char *value, size_t value_length)
+ bool mget(char **keys, size_t *key_length,
+ unsigned int number_of_keys)
{
- return memcached_set(&memc, key, strlen(key),
- value, value_length,
- (time_t)0, (uint32_t)0);
+
+ memcached_return rc= memcached_mget(&memc, keys, key_length, number_of_keys);
+ return (rc == MEMCACHED_SUCCESS);
}
- memcached_return set_by_key(char *master_key, char *key, char *value, size_t value_length)
+ bool set(const std::string& key, const std::string& value)
{
- return memcached_set_by_key(&memc, master_key, strlen(master_key),
- key, strlen(key),
- value, value_length,
- (time_t)0,
- (uint32_t)0 );
+ memcached_return rc= memcached_set(&memc,
+ key.c_str(), key.length(),
+ value.c_str(), value.length(),
+ time_t(0), uint32_t(0));
+ return (rc == MEMCACHED_SUCCESS);
}
+ bool set_by_key(const std::string& master_key,
+ const std::string& key,
+ const std::string& value)
+ {
+ memcached_return rc= memcached_set_by_key(&memc, master_key.c_str(),
+ master_key.length(),
+ key.c_str(), key.length(),
+ value.c_str(), value.length(),
+ time_t(0),
+ uint32_t(0));
+ return (rc == MEMCACHED_SUCCESS);
+ }
- memcached_return add(char *key, char *value, size_t value_length)
+ bool increment(const std::string& key, unsigned int offset, uint64_t *value)
{
- return memcached_add(&memc, key, strlen(key),
- value, value_length,
- (time_t)0, (uint32_t)0);
+ memcached_return rc= memcached_increment(&memc, key.c_str(), key.length(),
+ offset, value);
+ return (rc == MEMCACHED_SUCCESS);
}
- memcached_return replace(char *key, char *value, size_t value_length)
+ bool decrement(const std::string& key, unsigned int offset, uint64_t *value)
{
- return memcached_replace(&memc, key, strlen(key),
- value, value_length,
- (time_t)0, (uint32_t)0);
+ memcached_return rc= memcached_decrement(&memc, key.c_str(),
+ key.length(),
+ offset, value);
+ return (rc == MEMCACHED_SUCCESS);
}
- memcached_return prepend(char *key, char *value, size_t value_length)
+
+ bool add(const std::string& key, const std::string& value, size_t value_length)
{
- return memcached_prepend(&memc, key, strlen(key),
- value, value_length,
- (time_t)0,
- (uint32_t)0);
+ memcached_return rc= memcached_add(&memc, key.c_str(), key.length(),
+ value.c_str(), value_length, 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
}
+ bool add_by_key(const std::string& master_key, const std::string& key,
+ const std::string& value, size_t value_length)
+ {
+ memcached_return rc= memcached_add_by_key(&memc,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ value.c_str(),
+ value_length,
+ 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool replace(const std::string& key, const std::string& value,
+ size_t value_length)
+ {
+ memcached_return rc= memcached_replace(&memc, key.c_str(), key.length(),
+ value.c_str(), value_length,
+ 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
- memcached_return append(char *key, char *value, size_t value_length)
+ bool replace_by_key(const std::string& master_key, const std::string& key,
+ const std::string& value, size_t value_length)
{
- return memcached_append(&memc, key, strlen(key),
- value, value_length,
- (time_t)0,
- (uint32_t)0);
+ memcached_return rc= memcached_replace_by_key(&memc,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ value.c_str(),
+ value_length,
+ 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
}
- ~Memcached()
- {
- memcached_free(&memc);
- }
+
+ bool prepend(const std::string& key, const std::string& value,
+ size_t value_length)
+ {
+ memcached_return rc= memcached_prepend(&memc, key.c_str(), key.length(),
+ value.c_str(), value_length, 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool prepend_by_key(const std::string& master_key, const std::string& key,
+ const std::string& value, size_t value_length)
+ {
+ memcached_return rc= memcached_prepend_by_key(&memc,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ value.c_str(),
+ value_length,
+ 0,
+ 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool append(const std::string& key, const std::string& value,
+ size_t value_length)
+ {
+ memcached_return rc= memcached_append(&memc,
+ key.c_str(),
+ key.length(),
+ value.c_str(),
+ value_length, 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool append_by_key(const std::string& master_key, const std::string& key,
+ const std::string& value, size_t value_length)
+ {
+ memcached_return rc= memcached_append_by_key(&memc,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ value.c_str(),
+ value_length, 0, 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool cas(const std::string& key, const std::string& value,
+ size_t value_length, uint64_t cas_arg)
+ {
+ memcached_return rc= memcached_cas(&memc, key.c_str(), key.length(),
+ value.c_str(), value_length, 0, 0, cas_arg);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool cas_by_key(const std::string& master_key, const std::string& key,
+ const std::string& value, size_t value_length,
+ uint64_t cas_arg)
+ {
+ memcached_return rc= memcached_cas_by_key(&memc,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ value.c_str(),
+ value_length,
+ 0, 0, cas_arg);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ // using 'remove' vs. 'delete' since 'delete' is a keyword
+ bool remove(const std::string& key)
+ {
+ memcached_return rc= memcached_delete(&memc, key.c_str(), key.length(), 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ bool delete_by_key(const std::string& master_key,
+ const std::string& key)
+ {
+ memcached_return rc= memcached_delete_by_key(&memc,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ 0);
+ return (rc == MEMCACHED_SUCCESS);
+ }
+
+ const std::string lib_version() const
+ {
+ const char *ver= memcached_lib_version();
+ const std::string version(ver);
+ return version;
+ }
+
+private:
+ memcached_st memc;
+ memcached_result_st result;
};
projects / awesomized / libmemcached / blobdiff