X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fbehavior.c;h=2fe17dc8d66943dd025ff29d794c83fb59588ede;hb=2a34f4dcac48917e41a1b6aee37edbe886aa9f7b;hp=d2f031a1586c5729c8e2b523eb415effc1082950;hpb=a4456cc10079f2e6f648befc91657f2723c825e5;p=m6w6%2Flibmemcached diff --git a/libmemcached/behavior.c b/libmemcached/behavior.c index d2f031a1..2fe17dc8 100644 --- a/libmemcached/behavior.c +++ b/libmemcached/behavior.c @@ -12,8 +12,6 @@ #include "common.h" #include #include -#include -#include static bool set_flag(uint64_t data) { @@ -21,23 +19,6 @@ 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. @@ -72,6 +53,7 @@ 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; @@ -104,34 +86,28 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr, 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: 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)); @@ -143,7 +119,8 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr, break; case MEMCACHED_BEHAVIOR_VERIFY_KEY: if (ptr->flags.binary_protocol) - return MEMCACHED_FAILURE; + 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: @@ -170,8 +147,13 @@ 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= set_flag(data); break; @@ -187,66 +169,33 @@ memcached_return_t memcached_behavior_set(memcached_st *ptr, break; case MEMCACHED_BEHAVIOR_CORK: { - memcached_server_instance_st *instance; - bool action= set_flag(data); - - if (action == false) - { - ptr->flags.cork= set_flag(false); - return MEMCACHED_SUCCESS; - } - - instance= memcached_server_instance_fetch(ptr, 0); - if (! instance) - return MEMCACHED_NO_SERVERS; - - - /* We just try the first host, and if it is down we return zero */ - memcached_return_t rc; - rc= memcached_connect(instance); - if (rc != MEMCACHED_SUCCESS) - { - return rc; - } - - /* Now we test! */ - memcached_ternary_t enabled; - enabled= test_cork(instance, true); - - switch (enabled) - { - case MEM_FALSE: - return ptr->cached_errno ? MEMCACHED_ERRNO : MEMCACHED_FAILURE ; - case MEM_TRUE: - { - enabled= test_cork(instance, false); - - if (enabled == false) // Possible bug in OS? - { - memcached_quit_server(instance, false); // We should reset everything on this error. - return MEMCACHED_ERRNO; // Errno will be true because we will have already set it. - } - ptr->flags.cork= true; - ptr->flags.tcp_nodelay= true; - memcached_quit(ptr); // We go on and reset the connections. - } - break; - case MEM_NOT: - default: - return MEMCACHED_NOT_SUPPORTED; - } +#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(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) { @@ -277,15 +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_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_SERVER_FAILURE_LIMIT: return ptr->server_failure_limit; case MEMCACHED_BEHAVIOR_SORT_HOSTS: @@ -300,11 +249,13 @@ 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= 0; socklen_t sock_length= sizeof(int); - memcached_server_instance_st *instance; + 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; @@ -316,11 +267,20 @@ uint64_t memcached_behavior_get(memcached_st *ptr, /* 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(instance->fd, SOL_SOCKET, - SO_SNDBUF, &sock_size, &sock_length)) + 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; @@ -329,32 +289,42 @@ uint64_t memcached_behavior_get(memcached_st *ptr, { int sock_size= 0; socklen_t sock_length= sizeof(int); - memcached_server_instance_st *instance; + 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 */ 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 (memcached_io_wait_for_write(instance) != MEMCACHED_SUCCESS) + { return 0; + } - if (getsockopt(instance->fd, SOL_SOCKET, - SO_RCVBUF, &sock_size, &sock_length)) + 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: @@ -364,7 +334,15 @@ uint64_t memcached_behavior_get(memcached_st *ptr, case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ: return ptr->flags.randomize_replica_read; case MEMCACHED_BEHAVIOR_CORK: - return ptr->flags.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 */ @@ -379,15 +357,21 @@ memcached_return_t memcached_behavior_set_distribution(memcached_st *ptr, memcac { 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")); } @@ -398,20 +382,87 @@ memcached_server_distribution_t memcached_behavior_get_distribution(memcached_st 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_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"; + } }