+/* 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,
+ .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_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)
+{
+ /* 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);
+ }
+}