X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fbehavior.c;h=2fe17dc8d66943dd025ff29d794c83fb59588ede;hb=2a34f4dcac48917e41a1b6aee37edbe886aa9f7b;hp=e020258d1229fc7561f21bf76d7ab2fd7781fd99;hpb=c38f53f67c27b36858e456fcb86a725d5c27b977;p=m6w6%2Flibmemcached diff --git a/libmemcached/behavior.c b/libmemcached/behavior.c index e020258d..2fe17dc8 100644 --- a/libmemcached/behavior.c +++ b/libmemcached/behavior.c @@ -12,8 +12,12 @@ #include "common.h" #include #include -#include -#include + +static bool set_flag(uint64_t data) +{ + // Wordy :) + return data ? true : false; +} /* This function is used to modify the behavior of running client. @@ -49,107 +53,79 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr, ptr->server_failure_limit= (uint32_t)data; break; case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL: + memcached_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; - - ptr->flags.binary_protocol= data ? true : false; + { + ptr->flags.verify_key= false; + } + ptr->flags.binary_protocol= set_flag(data); break; case MEMCACHED_BEHAVIOR_SUPPORT_CAS: - ptr->flags.support_cas= data ? true: false; + ptr->flags.support_cas= set_flag(data); break; case MEMCACHED_BEHAVIOR_NO_BLOCK: - ptr->flags.no_block= data ? true: false; + ptr->flags.no_block= set_flag(data); memcached_quit(ptr); break; case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS: - ptr->flags.buffer_requests= data ? true : false; + ptr->flags.buffer_requests= set_flag(data); memcached_quit(ptr); break; case MEMCACHED_BEHAVIOR_USE_UDP: - if (ptr->number_of_hosts) + if (memcached_server_count(ptr)) + { return MEMCACHED_FAILURE; - ptr->flags.use_udp= data ? true : false; - + } + ptr->flags.use_udp= set_flag(data); if (data) - ptr->flags.no_reply= data ? true : false; + { + ptr->flags.no_reply= set_flag(data); + } break; - case MEMCACHED_BEHAVIOR_TCP_NODELAY: - ptr->flags.tcp_nodelay= data ? true : false; + ptr->flags.tcp_nodelay= set_flag(data); + memcached_quit(ptr); + break; + case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE: + ptr->flags.tcp_keepalive= set_flag(data); memcached_quit(ptr); break; case MEMCACHED_BEHAVIOR_DISTRIBUTION: - { - ptr->distribution= (memcached_server_distribution_t)(data); - if (ptr->distribution == MEMCACHED_DISTRIBUTION_RANDOM) - { - srandom((uint32_t) time(NULL)); - } - run_distribution(ptr); - break; - } + return memcached_behavior_set_distribution(ptr, (memcached_server_distribution_t)data); case MEMCACHED_BEHAVIOR_KETAMA: { - if (data) - { - ptr->hash= MEMCACHED_HASH_MD5; - ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA; - } - else - { - ptr->hash= 0; - ptr->distribution= 0; - } - run_distribution(ptr); - break; + if (data) // Turn on + return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA); + + return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_MODULA); } case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED: { - ptr->hash= MEMCACHED_HASH_MD5; - ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA; - ptr->flags.ketama_weighted= data ? true : false; - run_distribution(ptr); - break; + (void)memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_MD5); + (void)memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_MD5); + 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); } - case MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE: - switch (data) - { - case MEMCACHED_KETAMA_COMPAT_LIBMEMCACHED: - ptr->hash= MEMCACHED_HASH_MD5; - ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA; - break; - case MEMCACHED_KETAMA_COMPAT_SPY: - ptr->hash= MEMCACHED_HASH_MD5; - ptr->distribution= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY; - break; - default: - return MEMCACHED_FAILURE; - } - run_distribution(ptr); - break; case MEMCACHED_BEHAVIOR_HASH: -#ifndef HAVE_HSIEH_HASH - if ((memcached_hash_t)(data) == MEMCACHED_HASH_HSIEH) - return MEMCACHED_FAILURE; -#endif - ptr->hash= (memcached_hash_t)(data); - break; + return memcached_behavior_set_key_hash(ptr, (memcached_hash_t)(data)); case MEMCACHED_BEHAVIOR_KETAMA_HASH: - ptr->hash_continuum= (memcached_hash_t)(data); - run_distribution(ptr); - break; + return memcached_behavior_set_distribution_hash(ptr, (memcached_hash_t)(data)); case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS: - ptr->flags.use_cache_lookups= data ? true : false; + ptr->flags.use_cache_lookups= set_flag(data); memcached_quit(ptr); break; case MEMCACHED_BEHAVIOR_VERIFY_KEY: if (ptr->flags.binary_protocol) - break; - ptr->flags.verify_key= data ? true : false; + return memcached_set_error_string(ptr, MEMCACHED_FAILURE, + 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: { - ptr->flags.use_sort_hosts= data ? true : false; + ptr->flags.use_sort_hosts= set_flag(data); run_distribution(ptr); break; @@ -171,30 +147,55 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr, ptr->recv_size= (int32_t)data; memcached_quit(ptr); break; + case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE: + ptr->tcp_keepidle= (uint32_t)data; + memcached_quit(ptr); + break; case MEMCACHED_BEHAVIOR_USER_DATA: - return MEMCACHED_FAILURE; + return memcached_set_error_string(ptr, MEMCACHED_FAILURE, + memcached_string_with_size("MEMCACHED_BEHAVIOR_USER_DATA deprecated.")); case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY: - ptr->flags.hash_with_prefix_key= data ? true : false; + ptr->flags.hash_with_prefix_key= set_flag(data); break; case MEMCACHED_BEHAVIOR_NOREPLY: - ptr->flags.no_reply= data ? true : false; + ptr->flags.no_reply= set_flag(data); break; case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS: - ptr->flags.auto_eject_hosts= data ? true : false; + ptr->flags.auto_eject_hosts= set_flag(data); break; case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ: srandom((uint32_t) time(NULL)); - ptr->flags.randomize_replica_read= data ? true : false; + ptr->flags.randomize_replica_read= set_flag(data); break; + case MEMCACHED_BEHAVIOR_CORK: + { +#ifdef HAVE_MSG_MORE + break; +#else + return memcached_set_error_string(ptr, MEMCACHED_NOT_SUPPORTED, + memcached_string_with_size("MEMCACHED_BEHAVIOR_CORK is not supported on this platform.")); +#endif + } + 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(flag); - break; + WATCHPOINT_ASSERT(0); + 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) { @@ -225,29 +226,15 @@ uint64_t memcached_behavior_get(memcached_st *ptr, 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_KETAMA_COMPAT_MODE: - switch (ptr->distribution) - { - case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA: - return MEMCACHED_KETAMA_COMPAT_LIBMEMCACHED; - case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY: - return MEMCACHED_KETAMA_COMPAT_SPY; - case MEMCACHED_DISTRIBUTION_MODULA: - case MEMCACHED_DISTRIBUTION_CONSISTENT: - case MEMCACHED_DISTRIBUTION_RANDOM: - default: - return (uint64_t)-1; - } - /* NOTREACHED */ case MEMCACHED_BEHAVIOR_HASH: - return ptr->hash; + return hashkit_get_function(&ptr->hashkit); case MEMCACHED_BEHAVIOR_KETAMA_HASH: - return ptr->hash_continuum; + return hashkit_get_function(&ptr->distribution_hashkit); case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT: return ptr->server_failure_limit; case MEMCACHED_BEHAVIOR_SORT_HOSTS: @@ -262,40 +249,82 @@ uint64_t memcached_behavior_get(memcached_st *ptr, 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); - /* 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) // 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; + } + + 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 + */ + if (instance) + { + /* 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_RCVBUF, &sock_size, &sock_length)) - return 0; /* Zero means error */ + 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; + return memcached_set_error_string(ptr, MEMCACHED_FAILURE, + memcached_string_with_size("MEMCACHED_BEHAVIOR_USER_DATA deprecated.")); case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY: return ptr->flags.hash_with_prefix_key; case MEMCACHED_BEHAVIOR_NOREPLY: @@ -304,11 +333,136 @@ uint64_t memcached_behavior_get(memcached_st *ptr, 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(flag); - break; + WATCHPOINT_ASSERT(0); /* Programming mistake if it gets this far */ + return 0; + } + + /* NOTREACHED */ +} + + +memcached_return_t memcached_behavior_set_distribution(memcached_st *ptr, memcached_server_distribution_t type) +{ + 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); + return MEMCACHED_SUCCESS; } - WATCHPOINT_ASSERT(0); /* Programming mistake if it gets this far */ - return 0; + return memcached_set_error_string(ptr, MEMCACHED_INVALID_ARGUMENTS, + memcached_string_with_size("Invalid memcached_server_distribution_t")); +} + + +memcached_server_distribution_t memcached_behavior_get_distribution(memcached_st *ptr) +{ + return ptr->distribution; +} + +memcached_return_t memcached_behavior_set_key_hash(memcached_st *ptr, memcached_hash_t 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 (memcached_hash_t)hashkit_get_function(&ptr->hashkit); +} + +memcached_return_t memcached_behavior_set_distribution_hash(memcached_st *ptr, memcached_hash_t 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 (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_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"; + default: + case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX: return "INVALID memcached_server_distribution_t"; + } }