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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Libmemcached library
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* Copyright (C) 2006-2010 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.
*
*/
#include <libmemcached/common.h>
memcached_server_list_st
memcached_server_list_append_with_weight(memcached_server_list_st ptr,
const char *hostname, in_port_t port,
uint32_t weight,
memcached_return_t *error)
{
memcached_return_t unused;
if (error == NULL)
{
error= &unused;
}
if (hostname == NULL)
{
hostname= "localhost";
}
if (hostname[0] == '/')
{
port = 0;
}
else if (port == 0)
{
port= MEMCACHED_DEFAULT_PORT;
}
/* Increment count for hosts */
uint32_t count= 1;
if (ptr != NULL)
{
count+= memcached_server_list_count(ptr);
}
memcached_server_list_st new_host_list= (memcached_server_st*)realloc(ptr, sizeof(memcached_server_st) * count);
if (new_host_list == NULL)
{
#if 0
*error= memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
#endif
return NULL;
}
memcached_string_t _hostname= { memcached_string_make_from_cstr(hostname) };
/* @todo Check return type */
if (__server_create_with(NULL, &new_host_list[count-1], _hostname, port, weight, port ? MEMCACHED_CONNECTION_TCP : MEMCACHED_CONNECTION_UNIX_SOCKET) == NULL)
{
#if 0
*error= memcached_set_errno(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
#endif
free(new_host_list);
return NULL;
}
#if 0
// Handset allocated since
new_host_list->options.is_allocated= true;
#endif
/* Backwards compatibility hack */
memcached_servers_set_count(new_host_list, count);
*error= MEMCACHED_SUCCESS;
return new_host_list;
}
memcached_server_list_st
memcached_server_list_append(memcached_server_list_st ptr,
const char *hostname, in_port_t port,
memcached_return_t *error)
{
return memcached_server_list_append_with_weight(ptr, hostname, port, 0, error);
}
uint32_t memcached_server_list_count(const memcached_server_list_st self)
{
return (self == NULL)
? 0
: self->number_of_hosts;
}
uint32_t memcached_instance_list_count(const memcached_st* self)
{
return (self == NULL)
? 0
: self->number_of_hosts;
}
void memcached_instance_set(memcached_st* memc, memcached_instance_st* list, const uint32_t host_list_size)
{
assert(memc);
memc->servers= list;
memc->number_of_hosts= host_list_size;
}
void memcached_server_list_free(memcached_server_list_st self)
{
if (self)
{
for (uint32_t x= 0; x < memcached_server_list_count(self); x++)
{
assert_msg(not memcached_is_allocated(&self[x]), "You have called memcached_server_list_free(), but you did not pass it a valid memcached_server_list_st");
__server_free(&self[x]);
}
libmemcached_free(self->root, self);
}
}
void memcached_instance_list_free(memcached_instance_st* self, uint32_t instance_count)
{
if (self)
{
for (uint32_t x= 0; x < instance_count; x++)
{
assert_msg(memcached_is_allocated(&self[x]) == false, "You have called memcached_server_list_free(), but you did not pass it a valid memcached_server_list_st");
__instance_free(&self[x]);
}
libmemcached_free(self->root, self);
}
}
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