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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* Copyright (C) 2006-2009 Brian Aker 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.
*
* * 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.
*
*/
/*
I debated about putting this in the client library since it does an
action I don't really believe belongs in the library.
Frankly its too damn useful not to be here though.
*/
#include <libmemcached/common.h>
memcached_server_list_st memcached_servers_parse(const char *server_strings)
{
char *string;
const char *begin_ptr;
const char *end_ptr;
memcached_server_st *servers= NULL;
memcached_return_t rc;
WATCHPOINT_ASSERT(server_strings);
end_ptr= server_strings + strlen(server_strings);
for (begin_ptr= server_strings, string= (char *)index(server_strings, ',');
begin_ptr != end_ptr;
string= (char *)index(begin_ptr, ','))
{
char buffer[HUGE_STRING_LEN];
char *ptr, *ptr2;
uint32_t weight= 0;
if (string)
{
memcpy(buffer, begin_ptr, (size_t) (string - begin_ptr));
buffer[(unsigned int)(string - begin_ptr)]= 0;
begin_ptr= string+1;
}
else
{
size_t length= strlen(begin_ptr);
memcpy(buffer, begin_ptr, length);
buffer[length]= 0;
begin_ptr= end_ptr;
}
ptr= index(buffer, ':');
in_port_t port= 0;
if (ptr)
{
ptr[0]= 0;
ptr++;
errno= 0;
port= (in_port_t) strtoul(ptr, (char **)NULL, 10);
if (errno != 0)
{
memcached_server_free(servers);
return NULL;
}
ptr2= index(ptr, ' ');
if (! ptr2)
ptr2= index(ptr, ':');
if (ptr2)
{
ptr2++;
errno= 0;
weight= uint32_t(strtoul(ptr2, (char **)NULL, 10));
if (errno != 0)
{
memcached_server_free(servers);
return NULL;
}
}
}
servers= memcached_server_list_append_with_weight(servers, buffer, port, weight, &rc);
if (isspace(*begin_ptr))
{
begin_ptr++;
}
}
return servers;
}
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