-/*
- 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.
+ *
+ */
-memcached_st *memcached_create(memcached_st *ptr)
+#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,
+ .hash_with_prefix_key= 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,
+ .tcp_keepalive= false,
+ },
+};
+
+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;
+
+ 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->last_disconnected_server= NULL;
+
+ self->snd_timeout= 0;
+ self->rcv_timeout= 0;
+ self->server_failure_limit= 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->poll_timeout= MEMCACHED_DEFAULT_TIMEOUT;
+ self->connect_timeout= MEMCACHED_DEFAULT_CONNECT_TIMEOUT;
+ self->retry_timeout= 0;
+
+ self->send_size= -1;
+ self->recv_size= -1;
+
+ self->user_data= NULL;
+ self->number_of_replicas= 0;
+ hash_ptr= hashkit_create(&self->distribution_hashkit);
+ if (! hash_ptr)
+ return false;
+
+ self->allocators= memcached_allocators_return_default();
+
+ self->on_clone= NULL;
+ self->on_cleanup= 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.filename= NULL;
+
+ return true;
+}
+
+static void _free(memcached_st *ptr, bool release_st)
{
- memcached_result_st *result_ptr;
+ /* If we have anything open, lets close it now */
+ memcached_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)
+{
if (ptr == NULL)
{
ptr= (memcached_st *)malloc(sizeof(memcached_st));
- if (!ptr)
+ if (! ptr)
+ {
return NULL; /* MEMCACHED_MEMORY_ALLOCATION_FAILURE */
+ }
- memset(ptr, 0, sizeof(memcached_st));
- ptr->is_allocated= MEMCACHED_ALLOCATED;
+ ptr->options.is_allocated= true;
}
else
{
- memset(ptr, 0, sizeof(memcached_st));
+ ptr->options.is_allocated= false;
+ }
+
+#if 0
+ memcached_set_purging(ptr, false);
+ memcached_set_processing_input(ptr, false);
+#endif
+
+ if (! _memcached_init(ptr))
+ {
+ memcached_free(ptr);
+ return NULL;
+ }
+
+ if (! memcached_result_create(ptr, &ptr->result))
+ {
+ memcached_free(ptr);
+ return NULL;
}
- result_ptr= memcached_result_create(ptr, &ptr->result);
- WATCHPOINT_ASSERT(result_ptr);
- ptr->poll_timeout= MEMCACHED_DEFAULT_TIMEOUT;
- ptr->connect_timeout= MEMCACHED_DEFAULT_TIMEOUT;
- ptr->retry_timeout= 0;
- ptr->distribution= MEMCACHED_DISTRIBUTION_MODULA;
+
+ WATCHPOINT_ASSERT_INITIALIZED(&ptr->result);
return ptr;
}
-void memcached_free(memcached_st *ptr)
+memcached_st *memcached_create_with_options(const char *string, size_t length)
{
- /* If we have anything open, lets close it now */
- memcached_quit(ptr);
- server_list_free(ptr, ptr->hosts);
- memcached_result_free(&ptr->result);
+ memcached_st *self= memcached_create(NULL);
- if (ptr->on_cleanup)
- ptr->on_cleanup(ptr);
+ if (! self)
+ return NULL;
- if (ptr->is_allocated == MEMCACHED_ALLOCATED)
+ memcached_return_t rc;
+ if ((rc= memcached_parse_configuration(self, string, length)) != MEMCACHED_SUCCESS)
{
- if (ptr->call_free)
- ptr->call_free(ptr, ptr);
- else
- free(ptr);
+ return self;
}
- else
- ptr->is_allocated= MEMCACHED_USED;
+
+ if (memcached_parse_filename(self))
+ {
+ rc= memcached_parse_configure_file(self, memcached_parse_filename(self), memcached_parse_filename_length(self));
+ }
+
+ 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);
+ _free(ptr, false);
+ memcached_create(ptr);
+ memcached_set_allocated(ptr, stored_is_allocated);
+
+ if (ptr->configure.filename)
+ {
+ return memcached_parse_configure_file(ptr, memcached_param_array(ptr->configure.filename));
+ }
+
+ return MEMCACHED_SUCCESS;
+}
+
+void memcached_servers_reset(memcached_st *ptr)
+{
+ 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_reset_last_disconnected_server(memcached_st *ptr)
+{
+ if (ptr->last_disconnected_server)
+ {
+ memcached_server_free(ptr->last_disconnected_server);
+ ptr->last_disconnected_server= NULL;
+ }
+}
+
+void memcached_free(memcached_st *ptr)
+{
+ _free(ptr, true);
}
/*
- clone is the destination, while ptr is the structure to clone.
- If ptr is NULL the call is the same as if a memcached_create() was
+ 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 *ptr)
+memcached_st *memcached_clone(memcached_st *clone, const memcached_st *source)
{
- memcached_return rc= MEMCACHED_SUCCESS;
+ memcached_return_t rc= MEMCACHED_SUCCESS;
memcached_st *new_clone;
- if (ptr == NULL)
+ if (source == NULL)
return memcached_create(clone);
- if (ptr->is_allocated == MEMCACHED_USED)
+ if (clone && memcached_is_allocated(clone))
{
- WATCHPOINT_ASSERT(0);
return NULL;
}
-
+
new_clone= memcached_create(clone);
-
+
if (new_clone == NULL)
return NULL;
- if (ptr->hosts)
- rc= memcached_server_push(new_clone, ptr->hosts);
+ new_clone->flags= source->flags;
+ new_clone->send_size= source->send_size;
+ new_clone->recv_size= source->recv_size;
+ new_clone->poll_timeout= source->poll_timeout;
+ new_clone->connect_timeout= source->connect_timeout;
+ new_clone->retry_timeout= source->retry_timeout;
+ new_clone->distribution= source->distribution;
+
+ 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->rcv_timeout= source->rcv_timeout;
+
+ new_clone->on_clone= source->on_clone;
+ new_clone->on_cleanup= source->on_cleanup;
+
+ new_clone->allocators= source->allocators;
+
+ new_clone->get_key_failure= source->get_key_failure;
+ new_clone->delete_trigger= source->delete_trigger;
+ new_clone->server_failure_limit= source->server_failure_limit;
+ new_clone->io_msg_watermark= source->io_msg_watermark;
+ 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_count(source))
+ rc= memcached_push(new_clone, source);
if (rc != MEMCACHED_SUCCESS)
{
}
- new_clone->flags= ptr->flags;
- new_clone->send_size= ptr->send_size;
- new_clone->recv_size= ptr->recv_size;
- new_clone->poll_timeout= ptr->poll_timeout;
- new_clone->connect_timeout= ptr->connect_timeout;
- new_clone->retry_timeout= ptr->retry_timeout;
- new_clone->distribution= ptr->distribution;
- new_clone->hash= ptr->hash;
- new_clone->user_data= ptr->user_data;
+ new_clone->prefix_key= memcached_array_clone(new_clone, source->prefix_key);
- new_clone->on_clone= ptr->on_clone;
- new_clone->on_cleanup= ptr->on_cleanup;
- new_clone->call_free= ptr->call_free;
- new_clone->call_malloc= ptr->call_malloc;
- new_clone->call_realloc= ptr->call_realloc;
- new_clone->get_key_failure= ptr->get_key_failure;
+#ifdef LIBMEMCACHED_WITH_SASL_SUPPORT
+ if (source->sasl.callbacks)
+ {
+ if (memcached_clone_sasl(new_clone, source) != MEMCACHED_SUCCESS)
+ {
+ memcached_free(new_clone);
+ return NULL;
+ }
+ }
+#endif
+
+ rc= run_distribution(new_clone);
+
+ if (rc != MEMCACHED_SUCCESS)
+ {
+ memcached_free(new_clone);
+
+ return NULL;
+ }
- if (ptr->on_clone)
- ptr->on_clone(ptr, new_clone);
+ if (source->on_clone)
+ source->on_clone(new_clone, source);
return new_clone;
}
+
+void *memcached_get_user_data(const memcached_st *ptr)
+{
+ return ptr->user_data;
+}
+
+void *memcached_set_user_data(memcached_st *ptr, void *data)
+{
+ void *ret= ptr->user_data;
+ ptr->user_data= data;
+
+ 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];
+}
projects / awesomized / libmemcached / blobdiff