This is a partial implementation for fetching/creating memcached_server_st objects.
*/
#include <libmemcached/common.h>
-#include <cassert>
static inline void _server_init(memcached_server_st *self, memcached_st *root,
- const char *hostname, in_port_t port,
+ const memcached_string_t& hostname,
+ in_port_t port,
uint32_t weight, memcached_connection_t type)
{
self->options.is_shutting_down= false;
self->number_of_hosts= 0;
self->cursor_active= 0;
self->port= port;
- self->cached_errno= 0;
- self->fd= -1;
self->io_bytes_sent= 0;
+ self->request_id= 0;
self->server_failure_counter= 0;
+ self->server_failure_counter_query_id= 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->io_wait_count.read= 0;
+ self->io_wait_count.write= 0;
+ self->io_wait_count.timeouts= 0;
+ self->io_wait_count._bytes_read= 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_buffer_length= 0;
- self->read_data_length= 0;
- self->write_buffer_offset= 0;
- self->address_info= NULL;
- self->address_info_next= NULL;
+ self->error_messages= NULL;
- if (root)
- {
- self->next_retry= root->retry_timeout;
- }
- else
- {
- self->next_retry= 0;
- }
+ self->state= MEMCACHED_SERVER_STATE_NEW;
+ self->next_retry= 0;
self->root= root;
- self->limit_maxbytes= 0;
- if (hostname == NULL)
+ if (root)
{
- self->hostname[0]= 0;
+ self->version= ++root->server_info.version;
}
else
{
- strncpy(self->hostname, hostname, NI_MAXHOST - 1);
+ self->version= UINT_MAX;
}
+ self->limit_maxbytes= 0;
+ memcpy(self->hostname, hostname.c_str, hostname.size);
+ self->hostname[hostname.size]= 0;
}
static memcached_server_st *_server_create(memcached_server_st *self, const memcached_st *memc)
{
- if (not self)
+ if (self == NULL)
{
- self= (memcached_server_st *)libmemcached_malloc(memc, sizeof(memcached_server_st));
+ self= libmemcached_xmalloc(memc, struct memcached_server_st);
- if (not self)
+ if (self == NULL)
+ {
return NULL; /* MEMCACHED_MEMORY_ALLOCATION_FAILURE */
+ }
self->options.is_allocated= true;
}
return self;
}
-memcached_server_st *memcached_server_create_with(const memcached_st *memc,
- memcached_server_write_instance_st self,
- const char *hostname, in_port_t port,
- uint32_t weight, memcached_connection_t type)
+memcached_server_st *__server_create_with(memcached_st *memc,
+ memcached_server_st* allocated_instance,
+ const memcached_string_t& hostname,
+ const in_port_t port,
+ uint32_t weight,
+ const memcached_connection_t type)
{
- self= _server_create(self, memc);
-
- if (not self)
+ if (memcached_is_valid_servername(hostname) == false)
+ {
+ memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid hostname provided"));
return NULL;
+ }
- _server_init(self, const_cast<memcached_st *>(memc), hostname, port, weight, type);
-
+ allocated_instance= _server_create(allocated_instance, memc);
- if (type == MEMCACHED_CONNECTION_UDP)
+ if (allocated_instance == NULL)
{
- self->write_buffer_offset= UDP_DATAGRAM_HEADER_LENGTH;
- memcached_io_init_udp_header(self, 0);
+ return NULL;
}
- return self;
+ _server_init(allocated_instance, const_cast<memcached_st *>(memc), hostname, port, weight, type);
+
+ return allocated_instance;
}
-void memcached_server_free(memcached_server_st *self)
+void __server_free(memcached_server_st *self)
{
- assert(self);
- memcached_quit_server(self, false);
-
- if (self->cached_server_error)
- free(self->cached_server_error);
-
- if (self->address_info)
- freeaddrinfo(self->address_info);
+ memcached_error_free(*self);
if (memcached_is_allocated(self))
{
- if (self->root)
- {
- libmemcached_free(self->root, self);
- }
- else
- {
- free(self);
- }
+ libmemcached_free(self->root, self);
}
else
{
}
}
-/*
- If we do not have a valid object to clone from, we toss an error.
-*/
-memcached_server_st *memcached_server_clone(memcached_server_st *destination,
- const memcached_server_st *source)
-{
- /* We just do a normal create if source is missing */
- if (not source)
- return NULL;
-
- destination= memcached_server_create_with(source->root, destination,
- source->hostname, source->port, source->weight,
- source->type);
- if (destination != NULL)
- {
- destination->cached_errno= source->cached_errno;
-
- if (source->cached_server_error)
- destination->cached_server_error= strdup(source->cached_server_error);
- }
-
- return destination;
-
-}
-
-memcached_return_t memcached_server_cursor(const memcached_st *ptr,
- const memcached_server_fn *callback,
- void *context,
- uint32_t number_of_callbacks)
+void memcached_server_free(memcached_server_st *self)
{
- memcached_return_t rc;
- if (memcached_failed(rc= initialize_const_query(ptr)))
+ if (self == NULL)
{
- return rc;
+ return;
}
- for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ if (memcached_server_list_count(self))
{
- memcached_server_instance_st instance=
- memcached_server_instance_by_position(ptr, x);
-
- for (uint32_t y= 0; y < number_of_callbacks; y++)
- {
- unsigned int iferror;
-
- iferror= (*callback[y])(ptr, instance, context);
-
- if (iferror)
- continue;
- }
+ memcached_server_list_free(self);
+ return;
}
- return MEMCACHED_SUCCESS;
+ __server_free(self);
}
-memcached_return_t memcached_server_execute(memcached_st *ptr,
- memcached_server_execute_fn callback,
- void *context)
+void memcached_server_error_reset(memcached_server_st *self)
{
- for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ WATCHPOINT_ASSERT(self);
+ if (self == NULL)
{
- memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
-
- unsigned int iferror= (*callback)(ptr, instance, context);
-
- if (iferror)
- continue;
+ return;
}
- return MEMCACHED_SUCCESS;
+ memcached_error_free(*self);
}
-memcached_server_instance_st memcached_server_by_key(const memcached_st *ptr,
- const char *key,
- size_t key_length,
- memcached_return_t *error)
+uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
{
- memcached_return_t rc;
- memcached_return_t unused;
-
- if (not error)
- error= &unused;
-
- if (memcached_failed(rc= initialize_const_query(ptr)))
- {
- *error= rc;
- return NULL;
- }
-
- if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)))
- {
- *error= rc;
- return NULL;
- }
-
- if (ptr->flags.verify_key && (memcached_key_test((const char **)&key, &key_length, 1) == MEMCACHED_BAD_KEY_PROVIDED))
+ WATCHPOINT_ASSERT(servers);
+ if (servers == NULL)
{
- *error= MEMCACHED_BAD_KEY_PROVIDED;
- return NULL;
+ return 0;
}
- uint32_t server_key= memcached_generate_hash(ptr, key, key_length);
- return memcached_server_instance_by_position(ptr, server_key);
-
+ return servers->number_of_hosts= count;
}
-void memcached_server_error_reset(memcached_server_st *self)
+uint32_t memcached_server_count(const memcached_st *self)
{
WATCHPOINT_ASSERT(self);
- if (not self)
- return;
+ if (self == NULL)
+ return 0;
- self->cached_server_error[0]= 0;
+ return self->number_of_hosts;
}
-memcached_server_instance_st memcached_server_get_last_disconnect(const memcached_st *self)
+const char *memcached_server_name(const memcached_server_instance_st self)
{
WATCHPOINT_ASSERT(self);
- if (not self)
- return 0;
+ if (self == NULL)
+ return NULL;
- return self->last_disconnected_server;
+ return self->hostname;
}
-void memcached_server_list_free(memcached_server_list_st self)
+in_port_t memcached_server_port(const memcached_server_instance_st self)
{
- if (not self)
- return;
-
- for (uint32_t x= 0; x < memcached_server_list_count(self); x++)
+ WATCHPOINT_ASSERT(self);
+ if (self == NULL)
{
- if (self[x].address_info)
- {
- freeaddrinfo(self[x].address_info);
- self[x].address_info= NULL;
- }
+ return 0;
}
- memcached_st *root= self->root;
- if (root)
- {
- libmemcached_free(root, self);
- }
- else
- {
- free(self);
- }
+ return self->port();
}
-uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
+uint32_t memcached_server_response_count(const memcached_server_instance_st self)
{
- WATCHPOINT_ASSERT(servers);
- if (not servers)
+ WATCHPOINT_ASSERT(self);
+ if (self == NULL)
+ {
return 0;
+ }
- return servers->number_of_hosts= count;
+ return self->cursor_active;
}
-uint32_t memcached_server_count(const memcached_st *self)
+const char *memcached_server_type(const memcached_server_instance_st ptr)
{
- WATCHPOINT_ASSERT(self);
- if (not self)
- return 0;
+ if (ptr)
+ {
+ switch (ptr->type)
+ {
+ case MEMCACHED_CONNECTION_TCP:
+ return "TCP";
- return self->number_of_hosts;
-}
+ case MEMCACHED_CONNECTION_UDP:
+ return "UDP";
-const char *memcached_server_name(memcached_server_instance_st self)
-{
- WATCHPOINT_ASSERT(self);
- if (not self)
- return NULL;
+ case MEMCACHED_CONNECTION_UNIX_SOCKET:
+ return "SOCKET";
+ }
+ }
- return self->hostname;
+ return "UNKNOWN";
}
-in_port_t memcached_server_port(memcached_server_instance_st self)
+uint8_t memcached_server_major_version(const memcached_server_instance_st instance)
{
- WATCHPOINT_ASSERT(self);
- if (not self)
- return 0;
+ if (instance)
+ {
+ return instance->major_version;
+ }
- return self->port;
+ return UINT8_MAX;
}
-uint32_t memcached_server_response_count(memcached_server_instance_st self)
+uint8_t memcached_server_minor_version(const memcached_server_instance_st instance)
{
- WATCHPOINT_ASSERT(self);
- if (not self)
- return 0;
+ if (instance)
+ {
+ return instance->minor_version;
+ }
- return self->cursor_active;
+ return UINT8_MAX;
}
-const char *memcached_server_error(memcached_server_instance_st ptr)
+uint8_t memcached_server_micro_version(const memcached_server_instance_st instance)
{
- return ptr ? ptr->cached_server_error : NULL;
-}
+ if (instance)
+ {
+ return instance->micro_version;
+ }
+ return UINT8_MAX;
+}
projects / m6w6 / libmemcached / blobdiff