--- /dev/null
+/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ *
+ * Libmemcached library
+ *
+ * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * * The names of its contributors may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*
+ * Summary: C++ interface for memcached server
+ *
+ * Copy: See Copyright for the status of this software.
+ *
+ * Authors: Padraig O'Sullivan <osullivan.padraig@gmail.com>
+ * Patrick Galbraith <patg@patg.net>
+ */
+
+/**
+ * @file memcached.hpp
+ * @brief Libmemcached C++ interface
+ */
+
+#pragma once
+
+#include <libmemcached-1.0/memcached.h>
+#if 0
+#include <libmemcached/exception.hpp>
+#endif
+
+#include <string.h>
+
+#include <sstream>
+#include <string>
+#include <vector>
+#include <map>
+
+namespace memcache
+{
+
+/**
+ * This is the core memcached library (if later, other objects
+ * are needed, they will be created from this class).
+ */
+class Memcache
+{
+public:
+
+ Memcache()
+ {
+ memc_= memcached(NULL, 0);
+ }
+
+ Memcache(const std::string &config)
+ {
+ memc_= memcached(config.c_str(), config.size());
+ }
+
+ Memcache(const std::string &hostname, in_port_t port)
+ {
+ memc_= memcached(NULL, 0);
+ if (memc_)
+ {
+ memcached_server_add(memc_, hostname.c_str(), port);
+ }
+ }
+
+ Memcache(memcached_st *clone)
+ {
+ memc_= memcached_clone(NULL, clone);
+ }
+
+ Memcache(const Memcache &rhs)
+ {
+ memc_= memcached_clone(NULL, rhs.getImpl());
+ }
+
+ Memcache &operator=(const Memcache &rhs)
+ {
+ if (this != &rhs)
+ {
+ memcached_free(memc_);
+ memc_= memcached_clone(NULL, rhs.getImpl());
+ }
+
+ return *this;
+ }
+
+ ~Memcache()
+ {
+ memcached_free(memc_);
+ }
+
+ /**
+ * Get the internal memcached_st *
+ */
+ const memcached_st *getImpl() const
+ {
+ return memc_;
+ }
+
+ /**
+ * Return an error string for the given return structure.
+ *
+ * @param[in] rc a memcached_return_t structure
+ * @return error string corresponding to given return code in the library.
+ */
+ const std::string getError(memcached_return_t rc) const
+ {
+ /* first parameter to strerror is unused */
+ return memcached_strerror(NULL, rc);
+ }
+
+ bool error(std::string& error_message) const
+ {
+ if (memcached_failed(memcached_last_error(memc_)))
+ {
+ error_message+= memcached_last_error_message(memc_);
+ return true;
+ }
+
+ return false;
+ }
+
+ bool error() const
+ {
+ if (memcached_failed(memcached_last_error(memc_)))
+ {
+ return true;
+ }
+
+ return false;
+ }
+
+ bool error(memcached_return_t& arg) const
+ {
+ arg= memcached_last_error(memc_);
+ return memcached_failed(arg);
+ }
+
+ bool setBehavior(memcached_behavior_t flag, uint64_t data)
+ {
+ return (memcached_success(memcached_behavior_set(memc_, flag, data)));
+ }
+
+ uint64_t getBehavior(memcached_behavior_t flag)
+ {
+ return memcached_behavior_get(memc_, flag);
+ }
+
+ /**
+ * Configure the memcache object
+ *
+ * @param[in] in_config configuration
+ * @return true on success; false otherwise
+ */
+ bool configure(const std::string &configuration)
+ {
+ memcached_st *new_memc= memcached(configuration.c_str(), configuration.size());
+
+ if (new_memc)
+ {
+ memcached_free(memc_);
+ memc_= new_memc;
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Add a server to the list of memcached servers to use.
+ *
+ * @param[in] server_name name of the server to add
+ * @param[in] port port number of server to add
+ * @return true on success; false otherwise
+ */
+ bool addServer(const std::string &server_name, in_port_t port)
+ {
+ return memcached_success(memcached_server_add(memc_, server_name.c_str(), port));
+ }
+
+ /**
+ * Remove a server from the list of memcached servers to use.
+ *
+ * @param[in] server_name name of the server to remove
+ * @param[in] port port number of server to remove
+ * @return true on success; false otherwise
+ */
+ bool removeServer(const std::string &server_name, in_port_t port)
+ {
+ std::string tmp_str;
+ std::ostringstream strstm;
+ tmp_str.append(",");
+ tmp_str.append(server_name);
+ tmp_str.append(":");
+ strstm << port;
+ tmp_str.append(strstm.str());
+
+ //memcached_return_t rc= memcached_server_remove(server);
+
+ return false;
+ }
+
+ /**
+ * Fetches an individual value from the server. mget() must always
+ * be called before using this method.
+ *
+ * @param[in] key key of object to fetch
+ * @param[out] ret_val store returned object in this vector
+ * @return a memcached return structure
+ */
+ memcached_return_t fetch(std::string &key,
+ std::vector<char> &ret_val,
+ uint32_t &flags,
+ uint64_t &cas_value)
+ {
+ memcached_return_t rc;
+
+ memcached_result_st *result;
+ if ((result= memcached_fetch_result(memc_, NULL, &rc)))
+ {
+ // Key
+ key.assign(memcached_result_key_value(result), memcached_result_key_length(result));
+
+ // Actual value, null terminated
+ ret_val.reserve(memcached_result_length(result) +1);
+ ret_val.assign(memcached_result_value(result),
+ memcached_result_value(result) +memcached_result_length(result) +1);
+ ret_val.resize(memcached_result_length(result));
+
+ // Misc
+ flags= memcached_result_flags(result);
+ cas_value= memcached_result_cas(result);
+ }
+ memcached_result_free(result);
+
+ return rc;
+ }
+
+ memcached_return_t fetch(std::string &key,
+ std::vector<char> &ret_val)
+ {
+ uint32_t flags= 0;
+ uint64_t cas_value= 0;
+
+ return fetch(key, ret_val, flags, cas_value);
+ }
+
+ /**
+ * Fetches an individual value from the server.
+ *
+ * @param[in] key key of object whose value to get
+ * @param[out] ret_val object that is retrieved is stored in
+ * this vector
+ * @return true on success; false otherwise
+ */
+ bool get(const std::string &key, std::vector<char> &ret_val)
+ {
+ uint32_t flags= 0;
+ memcached_return_t rc;
+ size_t value_length= 0;
+
+ char *value= memcached_get(memc_, key.c_str(), key.length(),
+ &value_length, &flags, &rc);
+ if (value != NULL && ret_val.empty())
+ {
+ ret_val.reserve(value_length +1); // Always provide null
+ ret_val.assign(value, value +value_length +1);
+ ret_val.resize(value_length);
+ free(value);
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Fetches an individual from a server which is specified by
+ * the master_key parameter that is used for determining which
+ * server an object was stored in if key partitioning was
+ * used for storage.
+ *
+ * @param[in] master_key key that specifies server object is stored on
+ * @param[in] key key of object whose value to get
+ * @param[out] ret_val object that is retrieved is stored in
+ * this vector
+ * @return true on success; false otherwise
+ */
+ bool getByKey(const std::string &master_key,
+ const std::string &key,
+ std::vector<char> &ret_val)
+ {
+ uint32_t flags= 0;
+ memcached_return_t rc;
+ size_t value_length= 0;
+
+ 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.reserve(value_length +1); // Always provide null
+ ret_val.assign(value, value +value_length +1);
+ ret_val.resize(value_length);
+ free(value);
+
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Selects multiple keys at once. This method always
+ * works asynchronously.
+ *
+ * @param[in] keys vector of keys to select
+ * @return true if all keys are found
+ */
+ bool mget(const 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 *.
+ */
+ real_keys.reserve(keys.size());
+ key_len.reserve(keys.size());
+
+ std::vector<std::string>::const_iterator it= keys.begin();
+
+ while (it != keys.end())
+ {
+ real_keys.push_back(const_cast<char *>((*it).c_str()));
+ key_len.push_back((*it).length());
+ ++it;
+ }
+
+ /*
+ * If the std::vector of keys is empty then we cannot
+ * call memcached_mget as we will get undefined behavior.
+ */
+ if (not real_keys.empty())
+ {
+ return memcached_success(memcached_mget(memc_, &real_keys[0], &key_len[0], real_keys.size()));
+ }
+
+ return false;
+ }
+
+ /**
+ * Writes an object to the server. If the object already exists, it will
+ * overwrite the existing object. This method always returns true
+ * when using non-blocking mode unless a network error occurs.
+ *
+ * @param[in] key key of object to write to server
+ * @param[in] value value of object to write to server
+ * @param[in] expiration time to keep the object stored in the server for
+ * @param[in] flags flags to store with the object
+ * @return true on succcess; false otherwise
+ */
+ bool set(const std::string &key,
+ const std::vector<char> &value,
+ time_t expiration,
+ uint32_t flags)
+ {
+ memcached_return_t rc= memcached_set(memc_,
+ key.c_str(), key.length(),
+ value.data(), value.size(),
+ expiration, flags);
+ return memcached_success(rc);
+ }
+
+ bool set(const std::string &key,
+ const char* value, const size_t value_length,
+ time_t expiration,
+ uint32_t flags)
+ {
+ memcached_return_t rc= memcached_set(memc_,
+ key.c_str(), key.length(),
+ value, value_length,
+ expiration, flags);
+ return memcached_success(rc);
+ }
+
+ /**
+ * Writes an object to a server specified by the master_key parameter.
+ * If the object already exists, it will overwrite the existing object.
+ *
+ * @param[in] master_key key that specifies server to write to
+ * @param[in] key key of object to write to server
+ * @param[in] value value of object to write to server
+ * @param[in] expiration time to keep the object stored in the server for
+ * @param[in] flags flags to store with the object
+ * @return true on succcess; false otherwise
+ */
+ bool setByKey(const std::string& master_key,
+ const std::string& key,
+ const std::vector<char> &value,
+ time_t expiration,
+ uint32_t flags)
+ {
+ return memcached_success(memcached_set_by_key(memc_, master_key.c_str(),
+ master_key.length(),
+ key.c_str(), key.length(),
+ &value[0], value.size(),
+ expiration,
+ flags));
+ }
+
+ /**
+ * Writes a list of objects to the server. Objects are specified by
+ * 2 vectors - 1 vector of keys and 1 vector of values.
+ *
+ * @param[in] keys vector of keys of objects to write to server
+ * @param[in] values vector of values of objects to write to server
+ * @param[in] expiration time to keep the objects stored in server for
+ * @param[in] flags flags to store with the objects
+ * @return true on success; false otherwise
+ */
+ bool setAll(const std::vector<std::string>& keys,
+ const std::vector< std::vector<char> *>& values,
+ time_t expiration,
+ uint32_t flags)
+ {
+ bool retval= true;
+ std::vector<std::string>::const_iterator key_it= keys.begin();
+ std::vector< std::vector<char> *>::const_iterator val_it= values.begin();
+ while (key_it != keys.end())
+ {
+ retval= set((*key_it), *(*val_it), expiration, flags);
+ if (retval == false)
+ {
+ return retval;
+ }
+ ++key_it;
+ ++val_it;
+ }
+ return retval;
+ }
+
+ /**
+ * Writes a list of objects to the server. Objects are specified by
+ * a map of keys to values.
+ *
+ * @param[in] key_value_map map of keys and values to store in server
+ * @param[in] expiration time to keep the objects stored in server for
+ * @param[in] flags flags to store with the objects
+ * @return true on success; false otherwise
+ */
+ bool setAll(const std::map<const std::string, std::vector<char> >& key_value_map,
+ time_t expiration,
+ uint32_t flags)
+ {
+ std::map<const std::string, std::vector<char> >::const_iterator it= key_value_map.begin();
+
+ while (it != key_value_map.end())
+ {
+ if (!set(it->first, it->second, expiration, flags))
+ {
+ // We should tell the user what the key that failed was
+ return false;
+ }
+ ++it;
+ }
+
+ return true;
+ }
+
+ /**
+ * Increment the value of the object associated with the specified
+ * key by the offset given. The resulting value is saved in the value
+ * parameter.
+ *
+ * @param[in] key key of object in server whose value to increment
+ * @param[in] offset amount to increment object's value by
+ * @param[out] value store the result of the increment here
+ * @return true on success; false otherwise
+ */
+ bool increment(const std::string& key, uint32_t offset, uint64_t *value)
+ {
+ return memcached_success(memcached_increment(memc_, key.c_str(), key.length(), offset, value));
+ }
+
+ /**
+ * Decrement the value of the object associated with the specified
+ * key by the offset given. The resulting value is saved in the value
+ * parameter.
+ *
+ * @param[in] key key of object in server whose value to decrement
+ * @param[in] offset amount to increment object's value by
+ * @param[out] value store the result of the decrement here
+ * @return true on success; false otherwise
+ */
+ bool decrement(const std::string& key, uint32_t offset, uint64_t *value)
+ {
+ return memcached_success(memcached_decrement(memc_, key.c_str(),
+ key.length(),
+ offset, value));
+ }
+
+
+ /**
+ * Add an object with the specified key and value to the server. This
+ * function returns false if the object already exists on the server.
+ *
+ * @param[in] key key of object to add
+ * @param[in] value of object to add
+ * @return true on success; false otherwise
+ */
+ bool add(const std::string& key, const std::vector<char>& value)
+ {
+ return memcached_success(memcached_add(memc_, key.c_str(), key.length(),
+ &value[0], value.size(), 0, 0));
+ }
+
+ /**
+ * Add an object with the specified key and value to the server. This
+ * function returns false if the object already exists on the server. The
+ * server to add the object to is specified by the master_key parameter.
+ *
+ * @param[in[ master_key key of server to add object to
+ * @param[in] key key of object to add
+ * @param[in] value of object to add
+ * @return true on success; false otherwise
+ */
+ bool addByKey(const std::string& master_key,
+ const std::string& key,
+ const std::vector<char>& value)
+ {
+ return memcached_success(memcached_add_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ &value[0],
+ value.size(),
+ 0, 0));
+ }
+
+ /**
+ * Replaces an object on the server. This method only succeeds
+ * if the object is already present on the server.
+ *
+ * @param[in] key key of object to replace
+ * @param[in[ value value to replace object with
+ * @return true on success; false otherwise
+ */
+ bool replace(const std::string& key, const std::vector<char>& value)
+ {
+ return memcached_success(memcached_replace(memc_, key.c_str(), key.length(),
+ &value[0], value.size(),
+ 0, 0));
+ }
+
+ /**
+ * Replaces an object on the server. This method only succeeds
+ * if the object is already present on the server. The server
+ * to replace the object on is specified by the master_key param.
+ *
+ * @param[in] master_key key of server to replace object on
+ * @param[in] key key of object to replace
+ * @param[in[ value value to replace object with
+ * @return true on success; false otherwise
+ */
+ bool replaceByKey(const std::string& master_key,
+ const std::string& key,
+ const std::vector<char>& value)
+ {
+ return memcached_success(memcached_replace_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ &value[0],
+ value.size(),
+ 0, 0));
+ }
+
+ /**
+ * Places a segment of data before the last piece of data stored.
+ *
+ * @param[in] key key of object whose value we will prepend data to
+ * @param[in] value data to prepend to object's value
+ * @return true on success; false otherwise
+ */
+ bool prepend(const std::string& key, const std::vector<char>& value)
+ {
+ return memcached_success(memcached_prepend(memc_, key.c_str(), key.length(),
+ &value[0], value.size(), 0, 0));
+ }
+
+ /**
+ * Places a segment of data before the last piece of data stored. The
+ * server on which the object where we will be prepending data is stored
+ * on is specified by the master_key parameter.
+ *
+ * @param[in] master_key key of server where object is stored
+ * @param[in] key key of object whose value we will prepend data to
+ * @param[in] value data to prepend to object's value
+ * @return true on success; false otherwise
+ */
+ bool prependByKey(const std::string& master_key,
+ const std::string& key,
+ const std::vector<char>& value)
+ {
+ return memcached_success(memcached_prepend_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ &value[0],
+ value.size(),
+ 0,
+ 0));
+ }
+
+ /**
+ * Places a segment of data at the end of the last piece of data stored.
+ *
+ * @param[in] key key of object whose value we will append data to
+ * @param[in] value data to append to object's value
+ * @return true on success; false otherwise
+ */
+ bool append(const std::string& key, const std::vector<char>& value)
+ {
+ return memcached_success(memcached_append(memc_,
+ key.c_str(),
+ key.length(),
+ &value[0],
+ value.size(),
+ 0, 0));
+ }
+
+ /**
+ * Places a segment of data at the end of the last piece of data stored. The
+ * server on which the object where we will be appending data is stored
+ * on is specified by the master_key parameter.
+ *
+ * @param[in] master_key key of server where object is stored
+ * @param[in] key key of object whose value we will append data to
+ * @param[in] value data to append to object's value
+ * @return true on success; false otherwise
+ */
+ bool appendByKey(const std::string& master_key,
+ const std::string& key,
+ const std::vector<char> &value)
+ {
+ return memcached_success(memcached_append_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ &value[0],
+ value.size(),
+ 0, 0));
+ }
+
+ /**
+ * Overwrite data in the server as long as the cas_arg value
+ * is still the same in the server.
+ *
+ * @param[in] key key of object in server
+ * @param[in] value value to store for object in server
+ * @param[in] cas_arg "cas" value
+ */
+ bool cas(const std::string& key,
+ const std::vector<char>& value,
+ uint64_t cas_arg)
+ {
+ return memcached_success(memcached_cas(memc_, key.c_str(), key.length(),
+ &value[0], value.size(),
+ 0, 0, cas_arg));
+ }
+
+ /**
+ * Overwrite data in the server as long as the cas_arg value
+ * is still the same in the server. The server to use is
+ * specified by the master_key parameter.
+ *
+ * @param[in] master_key specifies server to operate on
+ * @param[in] key key of object in server
+ * @param[in] value value to store for object in server
+ * @param[in] cas_arg "cas" value
+ */
+ bool casByKey(const std::string& master_key,
+ const std::string& key,
+ const std::vector<char> &value,
+ uint64_t cas_arg)
+ {
+ return memcached_success(memcached_cas_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ &value[0],
+ value.size(),
+ 0, 0, cas_arg));
+ }
+
+ /**
+ * Delete an object from the server specified by the key given.
+ *
+ * @param[in] key key of object to delete
+ * @return true on success; false otherwise
+ */
+ bool remove(const std::string& key)
+ {
+ return memcached_success(memcached_delete(memc_, key.c_str(), key.length(), 0));
+ }
+
+ /**
+ * Delete an object from the server specified by the key given.
+ *
+ * @param[in] key key of object to delete
+ * @param[in] expiration time to delete the object after
+ * @return true on success; false otherwise
+ */
+ bool remove(const std::string& key, time_t expiration)
+ {
+ return memcached_success(memcached_delete(memc_,
+ key.c_str(),
+ key.length(),
+ expiration));
+ }
+
+ /**
+ * Delete an object from the server specified by the key given.
+ *
+ * @param[in] master_key specifies server to remove object from
+ * @param[in] key key of object to delete
+ * @return true on success; false otherwise
+ */
+ bool removeByKey(const std::string& master_key,
+ const std::string& key)
+ {
+ return memcached_success(memcached_delete_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ 0));
+ }
+
+ /**
+ * Delete an object from the server specified by the key given.
+ *
+ * @param[in] master_key specifies server to remove object from
+ * @param[in] key key of object to delete
+ * @param[in] expiration time to delete the object after
+ * @return true on success; false otherwise
+ */
+ bool removeByKey(const std::string& master_key,
+ const std::string& key,
+ time_t expiration)
+ {
+ return memcached_success(memcached_delete_by_key(memc_,
+ master_key.c_str(),
+ master_key.length(),
+ key.c_str(),
+ key.length(),
+ expiration));
+ }
+
+ /**
+ * Wipe the contents of memcached servers.
+ *
+ * @param[in] expiration time to wait until wiping contents of
+ * memcached servers
+ * @return true on success; false otherwise
+ */
+ bool flush(time_t expiration= 0)
+ {
+ return memcached_success(memcached_flush(memc_, expiration));
+ }
+
+ /**
+ * Get the library version string.
+ * @return std::string containing a copy of the library version string.
+ */
+ const std::string libVersion() const
+ {
+ const char *ver= memcached_lib_version();
+ const std::string version(ver);
+ return version;
+ }
+
+ /**
+ * Retrieve memcached statistics. Populate a std::map with the retrieved
+ * stats. Each server will map to another std::map of the key:value stats.
+ *
+ * @param[out] stats_map a std::map to be populated with the memcached
+ * stats
+ * @return true on success; false otherwise
+ */
+ bool getStats(std::map< std::string, std::map<std::string, std::string> >& stats_map)
+ {
+ memcached_return_t rc;
+ memcached_stat_st *stats= memcached_stat(memc_, NULL, &rc);
+
+ if (rc != MEMCACHED_SUCCESS &&
+ rc != MEMCACHED_SOME_ERRORS)
+ {
+ return false;
+ }
+
+ uint32_t server_count= memcached_server_count(memc_);
+
+ /*
+ * For each memcached server, construct a std::map for its stats and add
+ * it to the std::map of overall stats.
+ */
+ for (uint32_t x= 0; x < server_count; x++)
+ {
+ const memcached_instance_st * instance= memcached_server_instance_by_position(memc_, x);
+ std::ostringstream strstm;
+ std::string server_name(memcached_server_name(instance));
+ server_name.append(":");
+ strstm << memcached_server_port(instance);
+ server_name.append(strstm.str());
+
+ std::map<std::string, std::string> server_stats;
+ char **list= memcached_stat_get_keys(memc_, &stats[x], &rc);
+ for (char** ptr= list; *ptr; ptr++)
+ {
+ char *value= memcached_stat_get_value(memc_, &stats[x], *ptr, &rc);
+ server_stats[*ptr]= value;
+ free(value);
+ }
+
+ stats_map[server_name]= server_stats;
+ free(list);
+ }
+
+ memcached_stat_free(memc_, stats);
+ return true;
+ }
+
+private:
+ memcached_st *memc_;
+};
+
+}
projects / awesomized / libmemcached / blobdiff