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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2009, Patrick "CaptTofu" Galbraith, Padraig O'Sullivan
* All rights reserved.
*
* 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.
* * Neither the name of Patrick Galbraith nor the names of its contributors
* may 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 HOLDER 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.
*/
#include <config.h>
#include <drizzled/item/func.h>
#include <drizzled/function/str/strfunc.h>
#include "memcached_functions.h"
#include "memc_behavior_set.h"
#include <libmemcached/memcached.h>
#include <string>
#include <algorithm>
using namespace std;
using namespace drizzled;
void MemcachedBehaviorSet::setFailureString(const char *error)
{
size_t size= strlen(error);
failure_buff.realloc(size);
failure_buff.length(size);
memcpy(failure_buff.ptr(), error, size);
}
String *MemcachedBehaviorSet::val_str(String *str)
{
memcached_return rc;
memcached_behavior mbehavior;
uint64_t isetting= 0;
map<const string, memcached_behavior>::iterator it_behav;
map<const string, uint64_t>::iterator it_hash;
map<const string, uint64_t>::iterator it_dist;
String *tmp_behavior;
String *tmp_setting;
if (arg_count != 2 ||
! (tmp_behavior= args[0]->val_str(str)) ||
! (tmp_setting= args[1]->val_str(str)) ||
! memc)
{
setFailureString("USAGE: memc_behavior_set('<behavior type>','<value>')");
return &failure_buff;
}
string behavior(tmp_behavior->c_ptr());
string setting(tmp_setting->c_ptr());
/*
* We don't want the user to have to type in all input in upper
* case so we transform the input strings to upper case here.
*/
std::transform(behavior.begin(), behavior.end(),
behavior.begin(), ::toupper);
std::transform(setting.begin(), setting.end(),
setting.begin(), ::toupper);
it_behav= behavior_map.find(behavior);
if (it_behav == behavior_map.end())
{
setFailureString("UNKNOWN BEHAVIOR TYPE!");
return &failure_buff;
}
mbehavior= behavior_map[behavior];
switch (mbehavior)
{
case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
case MEMCACHED_BEHAVIOR_NO_BLOCK:
case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
case MEMCACHED_BEHAVIOR_USER_DATA:
case MEMCACHED_BEHAVIOR_SORT_HOSTS:
case MEMCACHED_BEHAVIOR_VERIFY_KEY:
case MEMCACHED_BEHAVIOR_TCP_NODELAY:
case MEMCACHED_BEHAVIOR_KETAMA:
case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
if (setting.compare("1") == 0)
{
isetting= 1;
}
else if (setting.compare("0") == 0)
{
isetting= 0;
}
else
{
setFailureString("INVALID VALUE FOR BEHAVIOR - MUST be 1 OR 0!");
return &failure_buff;
}
break;
case MEMCACHED_BEHAVIOR_DISTRIBUTION:
it_dist= dist_settings_map.find(setting);
if (it_dist == dist_settings_map.end())
{
setFailureString("INVALID VALUE FOR DISTRIBUTION!");
return &failure_buff;
}
isetting= dist_settings_map[setting];
break;
case MEMCACHED_BEHAVIOR_HASH:
it_hash= hash_settings_map.find(setting);
if (it_hash == hash_settings_map.end())
{
setFailureString("INVALID VALUE FOR MEMCACHED HASH ALGORITHM!");
return &failure_buff;
}
isetting= hash_settings_map[setting];
break;
case MEMCACHED_BEHAVIOR_KETAMA_HASH:
isetting= ketama_hash_settings_map[setting];
if (! isetting)
{
setFailureString("INVALID VALUE FOR KETAMA HASH ALGORITHM!");
return &failure_buff;
}
break;
case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
case MEMCACHED_BEHAVIOR_POLL_TIMEOUT:
case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT:
case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT:
case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK:
case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK:
/*
What type of check the values passed to these behaviors?
Range?
*/
break;
default:
break;
}
rc= memcached_behavior_set(memc, mbehavior, isetting);
if (rc != MEMCACHED_SUCCESS)
{
return &failure_buff;
}
return &success_buff;
}
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