*
*/
-#include "common.h"
+#include <libmemcached/common.h>
+#include <libmemcached/virtual_bucket.h>
+
#include <time.h>
#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/tcp.h>
static bool set_flag(uint64_t data)
{
return data ? true : false;
}
-static memcached_return_t set_hash(memcached_hash_t *store, memcached_hash_t type)
-{
-#ifndef HAVE_HSIEH_HASH
- if (type == MEMCACHED_HASH_HSIEH)
- return MEMCACHED_FAILURE;
-#endif
- if (type < MEMCACHED_HASH_MAX)
- {
- *store= type;
- }
- else
- {
- return MEMCACHED_FAILURE;
- }
-
- return MEMCACHED_SUCCESS;
-}
/*
This function is used to modify the behavior of running client.
case MEMCACHED_BEHAVIOR_RCV_TIMEOUT:
ptr->rcv_timeout= (int32_t)data;
break;
+
+ case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS:
+ ptr->flags.auto_eject_hosts= set_flag(data);
case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
ptr->server_failure_limit= (uint32_t)data;
break;
+
case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL:
+ send_quit(ptr); // We need t shutdown all of the connections to make sure we do the correct protocol
if (data)
{
ptr->flags.verify_key= false;
break;
case MEMCACHED_BEHAVIOR_NO_BLOCK:
ptr->flags.no_block= set_flag(data);
- memcached_quit(ptr);
+ send_quit(ptr);
break;
case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
ptr->flags.buffer_requests= set_flag(data);
- memcached_quit(ptr);
+ send_quit(ptr);
break;
case MEMCACHED_BEHAVIOR_USE_UDP:
- if (ptr->number_of_hosts)
+ if (memcached_server_count(ptr))
{
return MEMCACHED_FAILURE;
}
break;
case MEMCACHED_BEHAVIOR_TCP_NODELAY:
ptr->flags.tcp_nodelay= set_flag(data);
- memcached_quit(ptr);
+ send_quit(ptr);
+ break;
+ case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE:
+ ptr->flags.tcp_keepalive= set_flag(data);
+ send_quit(ptr);
break;
case MEMCACHED_BEHAVIOR_DISTRIBUTION:
return memcached_behavior_set_distribution(ptr, (memcached_server_distribution_t)data);
case MEMCACHED_BEHAVIOR_KETAMA:
{
- if (data)
- {
- (void)memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_MD5);
- (void)memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_MD5);
- (void)memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA);
- }
- else
- {
- (void)memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_DEFAULT);
- (void)memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_DEFAULT);
- (void)memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_MODULA);
- }
+ if (data) // Turn on
+ return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA);
- break;
+ return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_MODULA);
}
case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED:
{
(void)memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_MD5);
(void)memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_MD5);
- ptr->flags.ketama_weighted= set_flag(data);
+ ptr->ketama.weighted= set_flag(data);
/**
@note We try to keep the same distribution going. This should be deprecated and rewritten.
*/
- return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA);
+ return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA);
}
case MEMCACHED_BEHAVIOR_HASH:
return memcached_behavior_set_key_hash(ptr, (memcached_hash_t)(data));
case MEMCACHED_BEHAVIOR_KETAMA_HASH:
return memcached_behavior_set_distribution_hash(ptr, (memcached_hash_t)(data));
+
case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
- ptr->flags.use_cache_lookups= set_flag(data);
- memcached_quit(ptr);
- break;
+ return memcached_set_error_string(ptr, MEMCACHED_DEPRECATED,
+ memcached_string_with_size("MEMCACHED_BEHAVIOR_CACHE_LOOKUPS has been deprecated."));
+
case MEMCACHED_BEHAVIOR_VERIFY_KEY:
if (ptr->flags.binary_protocol)
- return MEMCACHED_FAILURE;
+ return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS,
+ memcached_string_with_size("MEMCACHED_BEHAVIOR_VERIFY_KEY if the binary protocol has been enabled."));
ptr->flags.verify_key= set_flag(data);
break;
case MEMCACHED_BEHAVIOR_SORT_HOSTS:
break;
case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
ptr->send_size= (int32_t)data;
- memcached_quit(ptr);
+ send_quit(ptr);
break;
case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
ptr->recv_size= (int32_t)data;
- memcached_quit(ptr);
+ send_quit(ptr);
+ break;
+ case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE:
+ ptr->tcp_keepidle= (uint32_t)data;
+ send_quit(ptr);
break;
case MEMCACHED_BEHAVIOR_USER_DATA:
- return MEMCACHED_FAILURE;
+ return memcached_set_error_string(ptr, MEMCACHED_DEPRECATED,
+ memcached_string_with_size("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
ptr->flags.hash_with_prefix_key= set_flag(data);
break;
srandom((uint32_t) time(NULL));
ptr->flags.randomize_replica_read= set_flag(data);
break;
+ case MEMCACHED_BEHAVIOR_CORK:
+ {
+ return memcached_set_error_string(ptr, MEMCACHED_DEPRECATED,
+ memcached_string_with_size("MEMCACHED_BEHAVIOR_CORK is now incorporated into the driver by default."));
+ }
+ break;
+ case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE:
+ return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS,
+ memcached_string_with_size("MEMCACHED_BEHAVIOR_LOAD_FROM_FILE can not be set with memcached_behavior_set()"));
case MEMCACHED_BEHAVIOR_MAX:
default:
/* Shouldn't get here */
WATCHPOINT_ASSERT(0);
- return MEMCACHED_FAILURE;
+ return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS,
+ memcached_string_with_size("Invalid behavior passed to memcached_behavior_set()"));
}
return MEMCACHED_SUCCESS;
}
+bool _is_auto_eject_host(const memcached_st *ptr)
+{
+ return ptr->flags.auto_eject_hosts;
+}
+
uint64_t memcached_behavior_get(memcached_st *ptr,
const memcached_behavior_t flag)
{
return ptr->flags.binary_protocol;
case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
return ptr->flags.support_cas;
+
case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
- return ptr->flags.use_cache_lookups;
+ return true;
+
case MEMCACHED_BEHAVIOR_NO_BLOCK:
return ptr->flags.no_block;
case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
case MEMCACHED_BEHAVIOR_VERIFY_KEY:
return ptr->flags.verify_key;
case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED:
- return ptr->flags.ketama_weighted;
+ return ptr->ketama.weighted;
case MEMCACHED_BEHAVIOR_DISTRIBUTION:
return ptr->distribution;
case MEMCACHED_BEHAVIOR_KETAMA:
return (ptr->distribution == MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA) ? (uint64_t) 1 : 0;
case MEMCACHED_BEHAVIOR_HASH:
- return ptr->hash;
+ return hashkit_get_function(&ptr->hashkit);
case MEMCACHED_BEHAVIOR_KETAMA_HASH:
- return ptr->distribution_hash;
+ return hashkit_get_function(&ptr->distribution_hashkit);
+ case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS:
case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
return ptr->server_failure_limit;
case MEMCACHED_BEHAVIOR_SORT_HOSTS:
return (uint64_t)ptr->snd_timeout;
case MEMCACHED_BEHAVIOR_RCV_TIMEOUT:
return (uint64_t)ptr->rcv_timeout;
+ case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE:
+ return (uint64_t)ptr->tcp_keepidle;
case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
{
- int sock_size;
+ int sock_size= 0;
socklen_t sock_length= sizeof(int);
+ memcached_server_write_instance_st instance;
+
+ if (ptr->send_size != -1) // If value is -1 then we are using the default
+ return (uint64_t) ptr->send_size;
+
+ instance= memcached_server_instance_fetch(ptr, 0);
+
+ if (instance) // If we have an instance we test, otherwise we just set and pray
+ {
+ /* REFACTOR */
+ /* We just try the first host, and if it is down we return zero */
+ if ((memcached_connect(instance)) != MEMCACHED_SUCCESS)
+ {
+ return 0;
+ }
- /* REFACTOR */
- /* We just try the first host, and if it is down we return zero */
- if ((memcached_connect(&ptr->hosts[0])) != MEMCACHED_SUCCESS)
- return 0;
+ if (memcached_io_wait_for_write(instance) != MEMCACHED_SUCCESS)
+ {
+ return 0;
+ }
- if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET,
- SO_SNDBUF, &sock_size, &sock_length))
- return 0; /* Zero means error */
+ if (getsockopt(instance->fd, SOL_SOCKET, SO_SNDBUF, &sock_size, &sock_length) < 0)
+ {
+ memcached_set_errno(ptr, errno, NULL);
+ return 0; /* Zero means error */
+ }
+ }
return (uint64_t) sock_size;
}
case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
{
- int sock_size;
+ int sock_size= 0;
socklen_t sock_length= sizeof(int);
+ memcached_server_write_instance_st instance;
+
+ if (ptr->recv_size != -1) // If value is -1 then we are using the default
+ return (uint64_t) ptr->recv_size;
+
+ instance= memcached_server_instance_fetch(ptr, 0);
- /**
- @note REFACTOR
+ /**
+ @note REFACTOR
*/
- /* We just try the first host, and if it is down we return zero */
- if ((memcached_connect(&ptr->hosts[0])) != MEMCACHED_SUCCESS)
- return 0;
+ if (instance)
+ {
+ /* We just try the first host, and if it is down we return zero */
+ if ((memcached_connect(instance)) != MEMCACHED_SUCCESS)
+ {
+ return 0;
+ }
- if (getsockopt(ptr->hosts[0].fd, SOL_SOCKET,
- SO_RCVBUF, &sock_size, &sock_length))
- return 0; /* Zero means error */
+ if (memcached_io_wait_for_write(instance) != MEMCACHED_SUCCESS)
+ {
+ return 0;
+ }
+
+ if (getsockopt(instance->fd, SOL_SOCKET, SO_RCVBUF, &sock_size, &sock_length) < 0)
+ {
+ memcached_set_errno(ptr, errno, NULL);
+ return 0; /* Zero means error */
+ }
+
+ }
return (uint64_t) sock_size;
}
case MEMCACHED_BEHAVIOR_USER_DATA:
- return MEMCACHED_FAILURE;
+ memcached_set_error_string(ptr, MEMCACHED_DEPRECATED,
+ memcached_string_with_size("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
+ return 0;
case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
return ptr->flags.hash_with_prefix_key;
case MEMCACHED_BEHAVIOR_NOREPLY:
return ptr->flags.auto_eject_hosts;
case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ:
return ptr->flags.randomize_replica_read;
+ case MEMCACHED_BEHAVIOR_CORK:
+#ifdef HAVE_MSG_MORE
+ return true;
+#else
+ return false;
+#endif
+ case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE:
+ return ptr->flags.tcp_keepalive;
+ case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE:
+ return ptr->configure.filename ? true : false;
case MEMCACHED_BEHAVIOR_MAX:
default:
WATCHPOINT_ASSERT(0); /* Programming mistake if it gets this far */
{
if (type < MEMCACHED_DISTRIBUTION_CONSISTENT_MAX)
{
+ if (MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED)
+ {
+ ptr->ketama.weighted= true;
+ }
+ else
+ {
+ ptr->ketama.weighted= false;
+ }
ptr->distribution= type;
run_distribution(ptr);
- }
- else
- {
- return MEMCACHED_FAILURE;
+ return MEMCACHED_SUCCESS;
}
- return MEMCACHED_SUCCESS;
+ return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS,
+ memcached_string_with_size("Invalid memcached_server_distribution_t"));
}
memcached_return_t memcached_behavior_set_key_hash(memcached_st *ptr, memcached_hash_t type)
{
- return set_hash(&ptr->hash, type);
+ if (hashkit_set_function(&ptr->hashkit, (hashkit_hash_algorithm_t)type) == HASHKIT_SUCCESS)
+ return MEMCACHED_SUCCESS;
+
+ return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS,
+ memcached_string_with_size("Invalid memcached_hash_t()"));
}
memcached_hash_t memcached_behavior_get_key_hash(memcached_st *ptr)
{
- return ptr->hash;
+ return (memcached_hash_t)hashkit_get_function(&ptr->hashkit);
}
memcached_return_t memcached_behavior_set_distribution_hash(memcached_st *ptr, memcached_hash_t type)
{
- return set_hash(&ptr->distribution_hash, type);
+ if (hashkit_set_function(&ptr->distribution_hashkit, (hashkit_hash_algorithm_t)type) == HASHKIT_SUCCESS)
+ return MEMCACHED_SUCCESS;
+
+ return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS,
+ memcached_string_with_size("Invalid memcached_hash_t()"));
}
memcached_hash_t memcached_behavior_get_distribution_hash(memcached_st *ptr)
{
- return ptr->distribution_hash;
+ return (memcached_hash_t)hashkit_get_function(&ptr->distribution_hashkit);
+}
+
+const char *libmemcached_string_behavior(const memcached_behavior_t flag)
+{
+ switch (flag)
+ {
+ case MEMCACHED_BEHAVIOR_NO_BLOCK: return "MEMCACHED_BEHAVIOR_NO_BLOCK";
+ case MEMCACHED_BEHAVIOR_TCP_NODELAY: return "MEMCACHED_BEHAVIOR_TCP_NODELAY";
+ case MEMCACHED_BEHAVIOR_HASH: return "MEMCACHED_BEHAVIOR_HASH";
+ case MEMCACHED_BEHAVIOR_KETAMA: return "MEMCACHED_BEHAVIOR_KETAMA";
+ case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE: return "MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE";
+ case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE: return "MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE";
+ case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS: return "MEMCACHED_BEHAVIOR_CACHE_LOOKUPS";
+ case MEMCACHED_BEHAVIOR_SUPPORT_CAS: return "MEMCACHED_BEHAVIOR_SUPPORT_CAS";
+ case MEMCACHED_BEHAVIOR_POLL_TIMEOUT: return "MEMCACHED_BEHAVIOR_POLL_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_DISTRIBUTION: return "MEMCACHED_BEHAVIOR_DISTRIBUTION";
+ case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS: return "MEMCACHED_BEHAVIOR_BUFFER_REQUESTS";
+ case MEMCACHED_BEHAVIOR_USER_DATA: return "MEMCACHED_BEHAVIOR_USER_DATA";
+ case MEMCACHED_BEHAVIOR_SORT_HOSTS: return "MEMCACHED_BEHAVIOR_SORT_HOSTS";
+ case MEMCACHED_BEHAVIOR_VERIFY_KEY: return "MEMCACHED_BEHAVIOR_VERIFY_KEY";
+ case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT: return "MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT: return "MEMCACHED_BEHAVIOR_RETRY_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED: return "MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED";
+ case MEMCACHED_BEHAVIOR_KETAMA_HASH: return "MEMCACHED_BEHAVIOR_KETAMA_HASH";
+ case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL: return "MEMCACHED_BEHAVIOR_BINARY_PROTOCOL";
+ case MEMCACHED_BEHAVIOR_SND_TIMEOUT: return "MEMCACHED_BEHAVIOR_SND_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_RCV_TIMEOUT: return "MEMCACHED_BEHAVIOR_RCV_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT: return "MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT";
+ case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK: return "MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK";
+ case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK: return "MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK";
+ case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH: return "MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH";
+ case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY: return "MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY";
+ case MEMCACHED_BEHAVIOR_NOREPLY: return "MEMCACHED_BEHAVIOR_NOREPLY";
+ case MEMCACHED_BEHAVIOR_USE_UDP: return "MEMCACHED_BEHAVIOR_USE_UDP";
+ case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS: return "MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS";
+ case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS: return "MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS";
+ case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS: return "MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS";
+ case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ: return "MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ";
+ case MEMCACHED_BEHAVIOR_CORK: return "MEMCACHED_BEHAVIOR_CORK";
+ case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE: return "MEMCACHED_BEHAVIOR_TCP_KEEPALIVE";
+ case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE: return "MEMCACHED_BEHAVIOR_TCP_KEEPIDLE";
+ case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE: return "MEMCACHED_BEHAVIOR_LOAD_FROM_FILE";
+ default:
+ case MEMCACHED_BEHAVIOR_MAX: return "INVALID memcached_behavior_t";
+ }
+}
+
+const char *libmemcached_string_distribution(const memcached_server_distribution_t flag)
+{
+ switch (flag)
+ {
+ case MEMCACHED_DISTRIBUTION_MODULA: return "MEMCACHED_DISTRIBUTION_MODULA";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT: return "MEMCACHED_DISTRIBUTION_CONSISTENT";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA";
+ case MEMCACHED_DISTRIBUTION_RANDOM: return "MEMCACHED_DISTRIBUTION_RANDOM";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED: return "MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED";
+ case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET: return "MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET";
+ default:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX: return "INVALID memcached_server_distribution_t";
+ }
+}
+
+memcached_return_t memcached_bucket_set(memcached_st *self,
+ const uint32_t *host_map,
+ const uint32_t *forward_map,
+ const uint32_t buckets,
+ const uint32_t replicas)
+{
+ memcached_return_t rc;
+
+ if (! self)
+ return MEMCACHED_INVALID_ARGUMENTS;
+
+ if (! host_map)
+ return MEMCACHED_INVALID_ARGUMENTS;
+
+ memcached_server_distribution_t old;
+ old= memcached_behavior_get_distribution(self);
+
+ rc =memcached_behavior_set_distribution(self, MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET);
+ if (rc != MEMCACHED_SUCCESS)
+ {
+ return rc;
+ }
+
+ rc= memcached_virtual_bucket_create(self, host_map, forward_map, buckets, replicas);
+ if (rc != MEMCACHED_SUCCESS)
+ {
+ memcached_behavior_set_distribution(self, old);
+ }
+
+ return rc;
}