-/*
- Memcached library
-*/
-#include "common.h"
+/* 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.
+ *
+ */
+
+#include <libmemcached/common.h>
+#include <libmemcached/virtual_bucket.h>
static const memcached_st global_copy= {
.state= {
.is_purging= false,
.is_processing_input= false,
+ .is_time_for_rebuild= false,
},
.flags= {
.auto_eject_hosts= false,
.binary_protocol= false,
.buffer_requests= false,
- .cork= false,
.hash_with_prefix_key= false,
- .ketama_weighted= false,
.no_block= false,
.no_reply= false,
.randomize_replica_read= false,
- .reuse_memory= false,
.support_cas= false,
.tcp_nodelay= false,
- .use_cache_lookups= false,
.use_sort_hosts= false,
.use_udp= false,
- .verify_key= false
- }
+ .verify_key= false,
+ .tcp_keepalive= false,
+ },
};
-static inline void _memcached_init(memcached_st *self)
+static inline bool _memcached_init(memcached_st *self)
{
self->state= global_copy.state;
self->flags= global_copy.flags;
+ self->virtual_bucket= NULL;
self->distribution= MEMCACHED_DISTRIBUTION_MODULA;
- self->hash= MEMCACHED_HASH_DEFAULT;
- self->continuum_points_counter= 0;
+
+ hashkit_st *hash_ptr;
+ hash_ptr= hashkit_create(&self->hashkit);
+ if (! hash_ptr)
+ return false;
+
+ self->ketama.continuum= NULL;
+ self->ketama.continuum_count= 0;
+ self->ketama.continuum_points_counter= 0;
+ self->ketama.next_distribution_rebuild= 0;
+ self->ketama.weighted= false;
self->number_of_hosts= 0;
self->servers= NULL;
self->snd_timeout= 0;
self->rcv_timeout= 0;
self->server_failure_limit= 0;
+ self->query_id= 0;
/* TODO, Document why we picked these defaults */
self->io_msg_watermark= 500;
self->io_bytes_watermark= 65 * 1024;
+ self->tcp_keepidle= 0;
+
self->io_key_prefetch= 0;
- self->cached_errno= 0;
self->poll_timeout= MEMCACHED_DEFAULT_TIMEOUT;
- self->connect_timeout= MEMCACHED_DEFAULT_TIMEOUT;
+ self->connect_timeout= MEMCACHED_DEFAULT_CONNECT_TIMEOUT;
self->retry_timeout= 0;
- self->continuum_count= 0;
self->send_size= -1;
self->recv_size= -1;
self->user_data= NULL;
- self->next_distribution_rebuild= 0;
- self->prefix_key_length= 0;
self->number_of_replicas= 0;
- self->distribution_hash= MEMCACHED_HASH_DEFAULT;
- self->continuum= NULL;
+ hash_ptr= hashkit_create(&self->distribution_hashkit);
+ if (! hash_ptr)
+ return false;
-
- memcached_set_memory_allocators(self, NULL, NULL, NULL, NULL, NULL);
self->allocators= memcached_allocators_return_default();
self->on_clone= NULL;
self->get_key_failure= NULL;
self->delete_trigger= NULL;
self->callbacks= NULL;
+ self->sasl.callbacks= NULL;
+ self->sasl.is_allocated= false;
+
+ self->error_messages= NULL;
+ self->prefix_key= NULL;
+ self->configure.initial_pool_size= 1;
+ self->configure.max_pool_size= 1;
+ self->configure.filename= NULL;
+
+ return true;
+}
+
+static void _free(memcached_st *ptr, bool release_st)
+{
+ /* If we have anything open, lets close it now */
+ send_quit(ptr);
+ memcached_server_list_free(memcached_server_list(ptr));
+ memcached_result_free(&ptr->result);
+
+ memcached_virtual_bucket_free(ptr);
+
+ if (ptr->last_disconnected_server)
+ memcached_server_free(ptr->last_disconnected_server);
+
+ if (ptr->on_cleanup)
+ ptr->on_cleanup(ptr);
+
+ if (ptr->ketama.continuum)
+ libmemcached_free(ptr, ptr->ketama.continuum);
+
+ memcached_array_free(ptr->prefix_key);
+ ptr->prefix_key= NULL;
+
+ memcached_error_free(ptr);
+
+ if (ptr->sasl.callbacks)
+ {
+#ifdef LIBMEMCACHED_WITH_SASL_SUPPORT
+ memcached_destroy_sasl_auth_data(ptr);
+#endif
+ }
+
+ if (release_st)
+ {
+ memcached_array_free(ptr->configure.filename);
+ ptr->configure.filename= NULL;
+ }
+
+ if (memcached_is_allocated(ptr) && release_st)
+ {
+ libmemcached_free(ptr, ptr);
+ }
}
memcached_st *memcached_create(memcached_st *ptr)
memcached_set_processing_input(ptr, false);
#endif
- _memcached_init(ptr);
+ if (! _memcached_init(ptr))
+ {
+ memcached_free(ptr);
+ return NULL;
+ }
if (! memcached_result_create(ptr, &ptr->result))
{
return ptr;
}
-void server_list_free(memcached_st *ptr, memcached_server_st *servers)
+memcached_st *memcached_create_with_options(const char *string, size_t length)
{
- uint32_t x;
+ memcached_st *self= memcached_create(NULL);
- if (servers == NULL)
- return;
+ if (! self)
+ {
+ errno= ENOMEM;
+ return NULL;
+ }
+
+ memcached_return_t rc;
+ rc= memcached_parse_configuration(self, string, length);
- for (x= 0; x < memcached_servers_count(servers); x++)
+ if (rc == MEMCACHED_SUCCESS && memcached_parse_filename(self))
{
- if (servers[x].address_info)
- {
- freeaddrinfo(servers[x].address_info);
- servers[x].address_info= NULL;
- }
+ rc= memcached_parse_configure_file(self, memcached_parse_filename(self), memcached_parse_filename_length(self));
}
- if (ptr)
+
+ if (rc != MEMCACHED_SUCCESS)
{
- libmemcached_free(ptr, servers);
+ memcached_free(self);
+ errno= EINVAL;
+ return NULL;
}
- else
+
+ errno= 0;
+
+ return self;
+}
+
+memcached_return_t memcached_reset(memcached_st *ptr)
+{
+ WATCHPOINT_ASSERT(ptr);
+ if (! ptr)
+ return MEMCACHED_INVALID_ARGUMENTS;
+
+ bool stored_is_allocated= memcached_is_allocated(ptr);
+ uint64_t query_id= ptr->query_id;
+ _free(ptr, false);
+ memcached_create(ptr);
+ memcached_set_allocated(ptr, stored_is_allocated);
+ ptr->query_id= query_id;
+
+ if (ptr->configure.filename)
{
- free(servers);
+ return memcached_parse_configure_file(ptr, memcached_param_array(ptr->configure.filename));
}
+
+ return MEMCACHED_SUCCESS;
}
void memcached_servers_reset(memcached_st *ptr)
{
- server_list_free(ptr, memcached_server_list(ptr));
+ if (! ptr)
+ return;
+
+ memcached_server_list_free(memcached_server_list(ptr));
memcached_server_list_set(ptr, NULL);
ptr->number_of_hosts= 0;
+ if (ptr->last_disconnected_server)
+ {
+ memcached_server_free(ptr->last_disconnected_server);
+ }
ptr->last_disconnected_server= NULL;
ptr->server_failure_limit= 0;
}
-void memcached_free(memcached_st *ptr)
+void memcached_reset_last_disconnected_server(memcached_st *ptr)
{
- /* If we have anything open, lets close it now */
- memcached_quit(ptr);
- server_list_free(ptr, memcached_server_list(ptr));
- memcached_result_free(&ptr->result);
-
- if (ptr->on_cleanup)
- ptr->on_cleanup(ptr);
-
- if (ptr->continuum)
- libmemcached_free(ptr, ptr->continuum);
+ if (! ptr)
+ return;
- if (memcached_is_allocated(ptr))
+ if (ptr->last_disconnected_server)
{
- libmemcached_free(ptr, ptr);
+ memcached_server_free(ptr->last_disconnected_server);
+ ptr->last_disconnected_server= NULL;
}
}
+void memcached_free(memcached_st *ptr)
+{
+ if (! ptr)
+ return;
+
+ _free(ptr, true);
+}
+
/*
clone is the destination, while source is the structure to clone.
If source is NULL the call is the same as if a memcached_create() was
called.
*/
-memcached_st *memcached_clone(memcached_st *clone, memcached_st *source)
+memcached_st *memcached_clone(memcached_st *clone, const memcached_st *source)
{
memcached_return_t rc= MEMCACHED_SUCCESS;
memcached_st *new_clone;
new_clone->connect_timeout= source->connect_timeout;
new_clone->retry_timeout= source->retry_timeout;
new_clone->distribution= source->distribution;
- new_clone->hash= source->hash;
- new_clone->distribution_hash= source->distribution_hash;
+
+ hashkit_st *hash_ptr;
+
+ hash_ptr= hashkit_clone(&new_clone->hashkit, &source->hashkit);
+ if (! hash_ptr)
+ {
+ memcached_free(new_clone);
+ return NULL;
+ }
+
+ hash_ptr= hashkit_clone(&new_clone->distribution_hashkit, &source->distribution_hashkit);
+ if (! hash_ptr)
+ {
+ memcached_free(new_clone);
+ return NULL;
+ }
+
new_clone->user_data= source->user_data;
new_clone->snd_timeout= source->snd_timeout;
new_clone->io_bytes_watermark= source->io_bytes_watermark;
new_clone->io_key_prefetch= source->io_key_prefetch;
new_clone->number_of_replicas= source->number_of_replicas;
+ new_clone->tcp_keepidle= source->tcp_keepidle;
- if (memcached_server_list(source))
- rc= memcached_server_push(new_clone, memcached_server_list(source));
+ if (memcached_server_count(source))
+ rc= memcached_push(new_clone, source);
if (rc != MEMCACHED_SUCCESS)
{
}
- if (source->prefix_key_length)
+ new_clone->prefix_key= memcached_array_clone(new_clone, source->prefix_key);
+
+#ifdef LIBMEMCACHED_WITH_SASL_SUPPORT
+ if (source->sasl.callbacks)
{
- strcpy(new_clone->prefix_key, source->prefix_key);
- new_clone->prefix_key_length= source->prefix_key_length;
+ if (memcached_clone_sasl(new_clone, source) != MEMCACHED_SUCCESS)
+ {
+ memcached_free(new_clone);
+ return NULL;
+ }
}
+#endif
rc= run_distribution(new_clone);
}
if (source->on_clone)
- source->on_clone(source, new_clone);
+ source->on_clone(new_clone, source);
return new_clone;
}
return ret;
}
+
+memcached_return_t memcached_push(memcached_st *destination, const memcached_st *source)
+{
+ return memcached_server_push(destination, source->servers);
+}
+
+memcached_server_write_instance_st memcached_server_instance_fetch(memcached_st *ptr, uint32_t server_key)
+{
+ return &ptr->servers[server_key];
+}
+
+memcached_server_instance_st memcached_server_instance_by_position(const memcached_st *ptr, uint32_t server_key)
+{
+ return &ptr->servers[server_key];
+}