+/*
+ * Summary: C++ interface for memcached server
+ *
+ * Copy: See Copyright for the status of this software.
+ *
+ * Authors: Padraig O'Sullivan, Patrick Galbraith
+ */
+
+#ifndef LIBMEMCACHEDPP_H
+#define LIBMEMCACHEDPP_H
+
#include <libmemcached/memcached.h>
+#include <string.h>
+
#include <string>
#include <vector>
}
bool fetch(std::string &key,
- std::string &ret_val,
- size_t *key_length,
- size_t *value_length,
+ std::vector<char> &ret_val,
uint32_t *flags,
memcached_return *rc)
{
char ret_key[MEMCACHED_MAX_KEY];
- char *value= memcached_fetch(&memc, ret_key, key_length,
- value_length, flags, rc);
+ size_t value_length= 0;
+ size_t key_length= 0;
+ char *value= memcached_fetch(&memc, ret_key, &key_length,
+ &value_length, flags, rc);
if (value)
{
- ret_val.assign(value);
+ ret_val.reserve(value_length);
+ memcpy(&*ret_val.begin(), value, value_length);
key.assign(ret_key);
return true;
}
return false;
}
- std::string get(const std::string &key, size_t *value_length)
+ std::vector<char> &get(const std::string &key,
+ std::vector<char> &ret_val)
{
- uint32_t flags;
+ uint32_t flags= 0;
memcached_return rc;
- std::string ret_val;
+ size_t value_length= 0;
char *value= memcached_get(&memc, key.c_str(), key.length(),
- value_length, &flags, &rc);
- if (value)
+ &value_length, &flags, &rc);
+ if (value != NULL)
{
- ret_val.assign(value);
+ ret_val.reserve(value_length);
+ memcpy(&ret_val[0], value, value_length);
}
return ret_val;
}
- std::string get_by_key(const std::string &master_key,
- const std::string &key,
- size_t *value_length)
+ std::vector<char> &getByKey(const std::string &master_key,
+ const std::string &key,
+ std::vector<char> &ret_val)
{
- uint32_t flags;
+ uint32_t flags= 0;
memcached_return rc;
- std::string ret_val;
+ size_t value_length= 0;
- char *value= memcached_get_by_key(&memc, master_key.c_str(), master_key.length(),
+ char *value= memcached_get_by_key(&memc,
+ master_key.c_str(), master_key.length(),
key.c_str(), key.length(),
- value_length, &flags, &rc);
+ &value_length, &flags, &rc);
if (value)
{
- ret_val.assign(value);
+ ret_val.reserve(value_length);
+ memcpy(&*ret_val.begin(), value, value_length);
}
return ret_val;
}
bool mget(std::vector<std::string> &keys)
{
+ std::vector<const char *> real_keys;
+ std::vector<size_t> key_len;
/*
* Construct an array which will contain the length
* of each of the strings in the input vector. Also, to
* interface with the memcached C API, we need to convert
* the vector of std::string's to a vector of char *.
*/
- size_t *key_len= static_cast<size_t *>(malloc(keys.size() * sizeof(size_t)));
- if (key_len == NULL)
- {
- return false;
- }
- std::vector<char *> real_keys;
+ real_keys.reserve(keys.size());
+ key_len.reserve(keys.size());
+
std::vector<std::string>::iterator it= keys.begin();
- int i= 0;
+
while (it != keys.end())
{
real_keys.push_back(const_cast<char *>((*it).c_str()));
- key_len[i++]= (*it).length();
+ key_len.push_back((*it).length());
++it;
}
*/
if (!real_keys.empty())
{
- memcached_return rc= memcached_mget(&memc, &real_keys[0], key_len,
- static_cast<unsigned int>(real_keys.size()));
+ memcached_return rc= memcached_mget(&memc, &real_keys[0], &key_len[0],
+ real_keys.size());
return (rc == MEMCACHED_SUCCESS);
}
}
bool set(const std::string &key,
- const std::string &value,
+ const std::vector<char> &value,
time_t expiration,
uint32_t flags)
{
memcached_return rc= memcached_set(&memc,
key.c_str(), key.length(),
- value.c_str(), value.length(),
+ &value[0], value.size(),
expiration, flags);
return (rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
}
- bool set_all(std::vector<std::string> &keys,
- std::vector<std::string> &values,
- time_t expiration,
- uint32_t flags)
+ bool setAll(std::vector<std::string> &keys,
+ std::vector< std::vector<char> > &values,
+ time_t expiration,
+ uint32_t flags)
{
if (keys.size() != values.size())
{
}
bool retval= true;
std::vector<std::string>::iterator key_it= keys.begin();
- std::vector<std::string>::iterator val_it= values.begin();
+ std::vector< std::vector<char> >::iterator val_it= values.begin();
while (key_it != keys.end())
{
retval= set((*key_it), (*val_it), expiration, flags);
return retval;
}
- bool set_by_key(const std::string &master_key,
- const std::string &key,
- const std::string &value,
- time_t expiration,
- uint32_t flags)
+ bool setByKey(const std::string &master_key,
+ const std::string &key,
+ const std::vector<char> &value,
+ time_t expiration,
+ uint32_t flags)
{
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(),
+ &value[0], value.size(),
expiration,
flags);
return (rc == MEMCACHED_SUCCESS);
return (rc == MEMCACHED_SUCCESS);
}
- bool add_by_key(const std::string &master_key,
- const std::string &key,
- const std::string &value)
+ bool addByKey(const std::string &master_key,
+ const std::string &key,
+ const std::string &value)
{
memcached_return rc= memcached_add_by_key(&memc,
master_key.c_str(),
return (rc == MEMCACHED_SUCCESS);
}
- bool replace_by_key(const std::string &master_key,
- const std::string &key,
- const std::string &value)
+ bool replaceByKey(const std::string &master_key,
+ const std::string &key,
+ const std::string &value)
{
memcached_return rc= memcached_replace_by_key(&memc,
master_key.c_str(),
return (rc == MEMCACHED_SUCCESS);
}
- bool prepend_by_key(const std::string &master_key,
- const std::string &key,
- const std::string &value)
+ bool prependByKey(const std::string &master_key,
+ const std::string &key,
+ const std::string &value)
{
memcached_return rc= memcached_prepend_by_key(&memc,
master_key.c_str(),
return (rc == MEMCACHED_SUCCESS);
}
- bool append_by_key(const std::string &master_key,
- const std::string &key,
- const std::string &value)
+ bool appendByKey(const std::string &master_key,
+ const std::string &key,
+ const std::string &value)
{
memcached_return rc= memcached_append_by_key(&memc,
master_key.c_str(),
return (rc == MEMCACHED_SUCCESS);
}
- bool cas_by_key(const std::string &master_key,
- const std::string &key,
- const std::string &value,
- uint64_t cas_arg)
+ bool casByKey(const std::string &master_key,
+ const std::string &key,
+ const std::string &value,
+ uint64_t cas_arg)
{
memcached_return rc= memcached_cas_by_key(&memc,
master_key.c_str(),
return (rc == MEMCACHED_SUCCESS);
}
- bool delete_by_key(const std::string &master_key,
- const std::string &key)
+ bool removeByKey(const std::string &master_key,
+ const std::string &key)
{
memcached_return rc= memcached_delete_by_key(&memc,
master_key.c_str(),
return (rc == MEMCACHED_SUCCESS);
}
- bool fetch_execute(memcached_execute_function *callback,
- void *context,
- unsigned int num_of_callbacks)
+ bool fetchExecute(memcached_execute_function *callback,
+ void *context,
+ unsigned int num_of_callbacks)
{
memcached_return rc= memcached_fetch_execute(&memc,
callback,
return (rc == MEMCACHED_SUCCESS);
}
- const std::string lib_version() const
+ const std::string libVersion() const
{
const char *ver= memcached_lib_version();
const std::string version(ver);
memcached_st memc;
memcached_result_st result;
};
+
+#endif /* LIBMEMCACHEDPP_H */
projects / awesomized / libmemcached / blobdiff