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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_stats.h"
#include <libmemcached/memcached.h>
#include <string>
#include <algorithm>
using namespace std;
using namespace drizzled;
void MemcachedStats::setFailureString(const char *error)
{
size_t size= strlen(error);
failure_buff.realloc(size);
failure_buff.length(size);
memcpy(failure_buff.ptr(), error, size);
}
String *MemcachedStats::val_str(String *str)
{
memcached_return rc;
unsigned int count;
char buff[100];
memcached_stat_st *stat;
memcached_server_st *servers;
memcached_server_st *server_list;
String *server_names;
if (arg_count != 1 ||
! (server_names= args[0]->val_str(str)) ||
! memc)
{
setFailureString("USAGE: memc_stats('<server list>')");
return &failure_buff;
}
servers= memcached_servers_parse(server_names->c_ptr());
if (servers == NULL)
{
setFailureString(" ERROR: unable to parse servers string!");
return &failure_buff;
}
memcached_server_push(memc, servers);
memcached_server_list_free(servers);
stat= memcached_stat(memc, NULL, &rc);
if (rc != MEMCACHED_SUCCESS && rc != MEMCACHED_SOME_ERRORS)
{
snprintf(buff, 100, "Failure to communicate with servers (%s)\n",
memcached_strerror(memc, rc));
setFailureString(buff);
return &failure_buff;
}
server_list= memcached_server_list(memc);
results_buff.length(0);
snprintf(buff, 100, "Listing %u Server\n\n", memcached_server_count(memc));
results_buff.append(buff);
for (count= 0; count < memcached_server_count(memc); count++)
{
char **list;
char **ptr;
list= memcached_stat_get_keys(memc, &stat[count], &rc);
snprintf(buff, 100, "Server: %s (%u)\n",
memcached_server_name(memc, server_list[count]),
memcached_server_port(memc, server_list[count]));
results_buff.append(buff);
for (ptr= list; *ptr; ptr++)
{
char *value= memcached_stat_get_value(memc, &stat[count], *ptr, &rc);
snprintf(buff, 100, "\t %s: %s\n", *ptr, value);
free(value);
results_buff.append(buff);
}
free(list);
results_buff.append("\n");
}
free(stat);
return &results_buff;
}
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