/*
This is a partial implementation for fetching/creating memcached_server_st objects.
*/
-#include "common.h"
+#include <libmemcached/common.h>
static inline void _server_init(memcached_server_st *self, const memcached_st *root,
const char *hostname, in_port_t port,
uint32_t weight, memcached_connection_t type)
{
- self->options.sockaddr_inited= false;
self->options.is_shutting_down= false;
+ self->options.is_dead= false;
self->number_of_hosts= 0;
self->cursor_active= 0;
self->port= port;
self->fd= -1;
self->io_bytes_sent= 0;
self->server_failure_counter= 0;
- self->weight= weight;
- self->state.is_corked= false;
- self->major_version= 0;
- self->micro_version= 0;
- self->minor_version= 0;
+ self->weight= weight ? weight : 1; // 1 is the default weight value
+ WATCHPOINT_SET(self->io_wait_count.read= 0);
+ WATCHPOINT_SET(self->io_wait_count.write= 0);
+ self->major_version= UINT8_MAX;
+ self->micro_version= UINT8_MAX;
+ self->minor_version= UINT8_MAX;
self->type= type;
self->read_ptr= self->read_buffer;
self->cached_server_error= NULL;
self->read_data_length= 0;
self->write_buffer_offset= 0;
self->address_info= NULL;
+ self->address_info_next= NULL;
if (root)
{
self->next_retry= 0;
}
+ if (self->weight > 1 && root)
+ {
+ ((memcached_st *)root)->ketama.weighted= true;
+ }
+
self->root= root;
self->limit_maxbytes= 0;
if (hostname == NULL)
+ {
self->hostname[0]= 0;
+ }
else
+ {
strncpy(self->hostname, hostname, NI_MAXHOST - 1);
+ }
}
static memcached_server_st *_server_create(memcached_server_st *self, const memcached_st *memc)
if (memcached_is_allocated(self))
{
- libmemcached_free(self->root, self);
+ if (self->root)
+ {
+ libmemcached_free(self->root, self);
+ }
+ else
+ {
+ free(self);
+ }
}
else
{
void *context,
uint32_t number_of_callbacks)
{
+ memcached_return_t rc;
+ if ((rc= initialize_const_query(ptr)) != MEMCACHED_SUCCESS)
+ {
+ return rc;
+ }
+
for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
{
memcached_server_instance_st instance=
return MEMCACHED_SUCCESS;
}
+memcached_return_t memcached_server_execute(memcached_st *ptr,
+ memcached_server_execute_fn callback,
+ void *context)
+{
+ for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ {
+ memcached_server_write_instance_st instance=
+ memcached_server_instance_fetch(ptr, x);
+
+ unsigned int iferror;
+
+ iferror= (*callback)(ptr, instance, context);
+
+ if (iferror)
+ continue;
+ }
+
+ return MEMCACHED_SUCCESS;
+}
+
memcached_server_instance_st memcached_server_by_key(const memcached_st *ptr,
const char *key,
size_t key_length,
uint32_t server_key;
memcached_server_instance_st instance;
- *error= memcached_validate_key_length(key_length,
- ptr->flags.binary_protocol);
- unlikely (*error != MEMCACHED_SUCCESS)
+ memcached_return_t rc;
+ if ((rc= initialize_const_query(ptr)) != MEMCACHED_SUCCESS)
+ {
+ if (error)
+ *error= rc;
+
return NULL;
+ }
- unlikely (memcached_server_count(ptr) == 0)
+ if ((rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)) != MEMCACHED_SUCCESS)
{
- *error= MEMCACHED_NO_SERVERS;
+ if (error)
+ *error= rc;
+
return NULL;
}
}
-void memcached_server_error_reset(memcached_server_st *ptr)
+void memcached_server_error_reset(memcached_server_st *self)
{
- ptr->cached_server_error[0]= 0;
-}
+ WATCHPOINT_ASSERT(self);
+ if (! self)
+ return;
-memcached_server_instance_st memcached_server_get_last_disconnect(const memcached_st *ptr)
-{
- return ptr->last_disconnected_server;
+ self->cached_server_error[0]= 0;
}
-inline uint32_t memcached_server_list_count(const memcached_server_st *self)
+memcached_server_instance_st memcached_server_get_last_disconnect(const memcached_st *self)
{
- return (self == NULL)
- ? 0
- : self->number_of_hosts;
-}
+ WATCHPOINT_ASSERT(self);
+ if (! self)
+ return 0;
-void memcached_server_list_free(memcached_server_st *self)
-{
- server_list_free(NULL, self);
+ return self->last_disconnected_server;
}
-/**
- @todo allow lists to query themselves even if they lack a root
-*/
-memcached_return_t memcached_server_remove(memcached_server_st *self)
+void memcached_server_list_free(memcached_server_list_st self)
{
- uint32_t host_index= 0;
- memcached_st *root= (memcached_st *)self->root;
- memcached_server_st *list;
-
- if (root == NULL)
- return MEMCACHED_FAILURE;
-
- list= memcached_server_list(root);
-
- /* Until we devise a way to mark servers that are about to be harvested, we need to shutdown before doing the clone. */
- memcached_quit(root);
+ if (self == NULL)
+ return;
- for (uint32_t x= 0; x < memcached_server_count(root); x++)
+ for (uint32_t x= 0; x < memcached_server_list_count(self); x++)
{
- if (strncmp(list[x].hostname, self->hostname, NI_MAXHOST) != 0 || list[x].port != self->port)
+ if (self[x].address_info)
{
- if (host_index != x)
- {
- memcached_server_st *check=
- memcached_server_clone(list+host_index, list+x);
-
- if (! check) // Now we are in trouble, allocation didn't happen and we are midway through an operation. Bail!
- {
- return MEMCACHED_FAILURE;
- }
- memcached_server_free(list+x);
- }
- host_index++;
+ freeaddrinfo(self[x].address_info);
+ self[x].address_info= NULL;
}
}
- root->number_of_hosts= host_index;
- run_distribution(root);
-
- return MEMCACHED_SUCCESS;
+ const memcached_st *root= self->root;
+ if (root)
+ {
+ libmemcached_free(root, self);
+ }
+ else
+ {
+ free(self);
+ }
}
-
-inline uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
+uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
{
+ WATCHPOINT_ASSERT(servers);
+ if (! servers)
+ return 0;
+
return servers->number_of_hosts= count;
}
-inline uint32_t memcached_server_count(const memcached_st *self)
+uint32_t memcached_server_count(const memcached_st *self)
{
+ WATCHPOINT_ASSERT(self);
+ if (! self)
+ return 0;
+
return self->number_of_hosts;
}
-inline const char *memcached_server_name(memcached_server_instance_st self)
+const char *memcached_server_name(memcached_server_instance_st self)
{
+ WATCHPOINT_ASSERT(self);
+ if (! self)
+ return NULL;
+
return self->hostname;
}
-inline in_port_t memcached_server_port(memcached_server_instance_st self)
+in_port_t memcached_server_port(memcached_server_instance_st self)
{
- return self->port;
-}
+ WATCHPOINT_ASSERT(self);
+ if (! self)
+ return 0;
-inline memcached_server_st *memcached_server_list(memcached_st *self)
-{
- return self->servers;
+ return self->port;
}
-inline void memcached_server_list_set(memcached_st *self, memcached_server_st *list)
+uint32_t memcached_server_response_count(memcached_server_instance_st self)
{
- self->servers= list;
-}
+ WATCHPOINT_ASSERT(self);
+ if (! self)
+ return 0;
-inline uint32_t memcached_server_response_count(memcached_server_instance_st self)
-{
return self->cursor_active;
}
projects / m6w6 / libmemcached / blobdiff