X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Flibmemcached%2Fbehavior.cc;h=d0d6c6f2a9c0e416f6e732b0e5c405645fae5807;hb=2f289c64f625962d945ec3bee80f36bc5c61ee35;hp=07ad1c46ae2b010ecc318803502abb0bae56ac87;hpb=5bb6f975322d3da0caf082b8d890132194d0a4ea;p=awesomized%2Flibmemcached diff --git a/src/libmemcached/behavior.cc b/src/libmemcached/behavior.cc index 07ad1c46..d0d6c6f2 100644 --- a/src/libmemcached/behavior.cc +++ b/src/libmemcached/behavior.cc @@ -1,51 +1,29 @@ -/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: - * - * Libmemcached library - * - * Copyright (C) 2011 Data Differential, http://datadifferential.com/ - * Copyright (C) 2006-2009 Brian Aker All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * - * * The names of its contributors may not be used to endorse or - * promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ +/* + +--------------------------------------------------------------------+ + | libmemcached - C/C++ Client Library for memcached | + +--------------------------------------------------------------------+ + | Redistribution and use in source and binary forms, with or without | + | modification, are permitted under the terms of the BSD license. | + | You should have received a copy of the license in a bundled file | + | named LICENSE; in case you did not receive a copy you can review | + | the terms online at: https://opensource.org/licenses/BSD-3-Clause | + +--------------------------------------------------------------------+ + | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ | + | Copyright (c) 2020 Michael Wallner | + +--------------------------------------------------------------------+ +*/ #include "libmemcached/common.h" #include "libmemcached/options.hpp" #include "libmemcached/virtual_bucket.h" +#include "p9y/random.hpp" +#include "p9y/socket.hpp" #include #include -bool memcached_is_consistent_distribution(const Memcached* memc) -{ - switch (memc->distribution) - { +bool memcached_is_consistent_distribution(const Memcached *memc) { + switch (memc->distribution) { case MEMCACHED_DISTRIBUTION_CONSISTENT: case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA: case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY: @@ -68,139 +46,132 @@ bool memcached_is_consistent_distribution(const Memcached* memc) We quit all connections so we can reset the sockets. */ -memcached_return_t memcached_behavior_set(memcached_st *shell, - const memcached_behavior_t flag, - uint64_t data) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr == NULL) - { +memcached_return_t memcached_behavior_set(memcached_st *shell, const memcached_behavior_t flag, + uint64_t data) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr == NULL) { return MEMCACHED_INVALID_ARGUMENTS; } - switch (flag) - { + switch (flag) { case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS: - ptr->number_of_replicas= (uint32_t)data; + ptr->number_of_replicas = (uint32_t) data; break; case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK: - ptr->io_msg_watermark= (uint32_t) data; + ptr->io_msg_watermark = (uint32_t) data; break; case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK: - ptr->io_bytes_watermark= (uint32_t)data; + ptr->io_bytes_watermark = (uint32_t) data; break; case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH: - ptr->io_key_prefetch = (uint32_t)data; + ptr->io_key_prefetch = (uint32_t) data; break; case MEMCACHED_BEHAVIOR_SND_TIMEOUT: - ptr->snd_timeout= (int32_t)data; + ptr->snd_timeout = (int32_t) data; break; case MEMCACHED_BEHAVIOR_RCV_TIMEOUT: - ptr->rcv_timeout= (int32_t)data; + ptr->rcv_timeout = (int32_t) data; break; case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS: - ptr->flags.auto_eject_hosts= bool(data); + ptr->flags.auto_eject_hosts = bool(data); break; case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT: - if (data == 0) - { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT requires a value greater then zero.")); + if (data == 0) { + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param( + "MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT requires a value greater then zero.")); } - ptr->server_failure_limit= uint32_t(data); + ptr->server_failure_limit = uint32_t(data); break; case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT: - ptr->server_timeout_limit= uint32_t(data); + ptr->server_timeout_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; + 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; } - ptr->flags.binary_protocol= bool(data); + ptr->flags.binary_protocol = bool(data); break; case MEMCACHED_BEHAVIOR_SUPPORT_CAS: - ptr->flags.support_cas= bool(data); + ptr->flags.support_cas = bool(data); break; case MEMCACHED_BEHAVIOR_NO_BLOCK: - ptr->flags.no_block= bool(data); + ptr->flags.no_block = bool(data); send_quit(ptr); break; case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS: - if (memcached_is_udp(ptr)) - { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_BUFFER_REQUESTS cannot be set while MEMCACHED_BEHAVIOR_USE_UDP is enabled.")); + if (memcached_is_udp(ptr)) { + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param("MEMCACHED_BEHAVIOR_BUFFER_REQUESTS cannot be set while " + "MEMCACHED_BEHAVIOR_USE_UDP is enabled.")); } - ptr->flags.buffer_requests= bool(data); + ptr->flags.buffer_requests = bool(data); send_quit(ptr); break; case MEMCACHED_BEHAVIOR_USE_UDP: - send_quit(ptr); // We need t shutdown all of the connections to make sure we do the correct protocol - ptr->flags.use_udp= bool(data); - if (bool(data)) - { - ptr->flags.reply= false; - ptr->flags.buffer_requests= false; - } - else - { - ptr->flags.reply= true; + send_quit( + ptr); // We need t shutdown all of the connections to make sure we do the correct protocol + ptr->flags.use_udp = bool(data); + if (bool(data)) { + ptr->flags.reply = false; + ptr->flags.buffer_requests = false; + } else { + ptr->flags.reply = true; } break; case MEMCACHED_BEHAVIOR_TCP_NODELAY: - ptr->flags.tcp_nodelay= bool(data); + ptr->flags.tcp_nodelay = bool(data); send_quit(ptr); break; case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE: - ptr->flags.tcp_keepalive= bool(data); + ptr->flags.tcp_keepalive = bool(data); send_quit(ptr); break; case MEMCACHED_BEHAVIOR_DISTRIBUTION: - return memcached_behavior_set_distribution(ptr, (memcached_server_distribution_t)data); + return memcached_behavior_set_distribution(ptr, (memcached_server_distribution_t) data); - case MEMCACHED_BEHAVIOR_KETAMA: + case MEMCACHED_BEHAVIOR_KETAMA: { + if (data) // Turn on { - if (data) // Turn on - { - return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA); - } - - return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_MODULA); + return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA); } - case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED: - { - if (bool(data) == false) - { - return memcached_behavior_set(ptr, MEMCACHED_BEHAVIOR_KETAMA, true); - } + return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_MODULA); + } - (void)memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_MD5); - (void)memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_MD5); - /** - @note We try to keep the same distribution going. This should be deprecated and rewritten. - */ - return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED); + case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED: { + if (bool(data) == false) { + return memcached_behavior_set(ptr, MEMCACHED_BEHAVIOR_KETAMA, true); } + (void) memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_MD5); + (void) memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_MD5); + /** + @note We try to keep the same distribution going. This should be deprecated and rewritten. + */ + return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED); + } + case MEMCACHED_BEHAVIOR_HASH: return memcached_behavior_set_key_hash(ptr, (memcached_hash_t)(data)); @@ -208,52 +179,53 @@ memcached_return_t memcached_behavior_set(memcached_st *shell, return memcached_behavior_set_distribution_hash(ptr, (memcached_hash_t)(data)); case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS: - return memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_CACHE_LOOKUPS has been deprecated.")); + return memcached_set_error( + *ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT, + memcached_literal_param("MEMCACHED_BEHAVIOR_CACHE_LOOKUPS has been deprecated.")); case MEMCACHED_BEHAVIOR_VERIFY_KEY: - if (ptr->flags.binary_protocol) - { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_VERIFY_KEY if the binary protocol has been enabled.")); + if (ptr->flags.binary_protocol) { + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param( + "MEMCACHED_BEHAVIOR_VERIFY_KEY if the binary protocol has been enabled.")); } - ptr->flags.verify_key= bool(data); + ptr->flags.verify_key = bool(data); break; - case MEMCACHED_BEHAVIOR_SORT_HOSTS: - { - ptr->flags.use_sort_hosts= bool(data); - return run_distribution(ptr); - } + case MEMCACHED_BEHAVIOR_SORT_HOSTS: { + ptr->flags.use_sort_hosts = bool(data); + return run_distribution(ptr); + } case MEMCACHED_BEHAVIOR_POLL_TIMEOUT: - ptr->poll_timeout= (int32_t)data; + ptr->poll_timeout = (int32_t) data; break; case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT: - ptr->connect_timeout= (int32_t)data; + ptr->connect_timeout = (int32_t) data; break; case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT: - ptr->retry_timeout= int32_t(data); + ptr->retry_timeout = int32_t(data); break; case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT: - ptr->dead_timeout= int32_t(data); + ptr->dead_timeout = int32_t(data); break; case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE: - ptr->send_size= (int32_t)data; + ptr->send_size = (int32_t) data; send_quit(ptr); break; case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE: - ptr->recv_size= (int32_t)data; + ptr->recv_size = (int32_t) data; send_quit(ptr); break; case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE: - ptr->tcp_keepidle= (uint32_t)data; + ptr->tcp_keepidle = (uint32_t) data; send_quit(ptr); break; @@ -262,64 +234,65 @@ memcached_return_t memcached_behavior_set(memcached_st *shell, memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated.")); case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY: - ptr->flags.hash_with_namespace= bool(data); + ptr->flags.hash_with_namespace = bool(data); break; case MEMCACHED_BEHAVIOR_NOREPLY: - if (memcached_is_udp(ptr) and bool(data) == false) - { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_NOREPLY cannot be disabled while MEMCACHED_BEHAVIOR_USE_UDP is enabled.")); + if (memcached_is_udp(ptr) and bool(data) == false) { + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param("MEMCACHED_BEHAVIOR_NOREPLY cannot be disabled while " + "MEMCACHED_BEHAVIOR_USE_UDP is enabled.")); } // We reverse the logic here to make it easier to understand throughout the // code. - ptr->flags.reply= bool(data) ? false : true; + ptr->flags.reply = bool(data) ? false : true; break; case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS: - ptr->flags.auto_eject_hosts= bool(data); + ptr->flags.auto_eject_hosts = bool(data); break; case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ: - srandom((uint32_t) time(NULL)); - ptr->flags.randomize_replica_read= bool(data); - break; + srandom((uint32_t) time(NULL)); + ptr->flags.randomize_replica_read = bool(data); + break; case MEMCACHED_BEHAVIOR_CORK: - return memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_CORK is now incorporated into the driver by default.")); + return memcached_set_error( + *ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT, + memcached_literal_param( + "MEMCACHED_BEHAVIOR_CORK is now incorporated into the driver by default.")); case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE: - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("MEMCACHED_BEHAVIOR_LOAD_FROM_FILE can not be set with memcached_behavior_set()")); + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param( + "MEMCACHED_BEHAVIOR_LOAD_FROM_FILE can not be set with memcached_behavior_set()")); case MEMCACHED_BEHAVIOR_MAX: default: - /* Shouldn't get here */ - assert_msg(0, "Invalid behavior passed to memcached_behavior_set()"); - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("Invalid behavior passed to memcached_behavior_set()")); + /* Shouldn't get here */ + assert_msg(0, "Invalid behavior passed to memcached_behavior_set()"); + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param("Invalid behavior passed to memcached_behavior_set()")); } return MEMCACHED_SUCCESS; } -bool _is_auto_eject_host(const memcached_st *ptr) -{ +bool _is_auto_eject_host(const memcached_st *ptr) { return ptr->flags.auto_eject_hosts; } -uint64_t memcached_behavior_get(memcached_st *shell, - const memcached_behavior_t flag) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr == NULL) - { +uint64_t memcached_behavior_get(memcached_st *shell, const memcached_behavior_t flag) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr == NULL) { return MEMCACHED_INVALID_ARGUMENTS; } - switch (flag) - { + switch (flag) { case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS: return ptr->number_of_replicas; @@ -357,8 +330,7 @@ uint64_t memcached_behavior_get(memcached_st *shell, return ptr->flags.verify_key; case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED: - if (memcached_is_consistent_distribution(ptr)) - { + if (memcached_is_consistent_distribution(ptr)) { return memcached_is_weighted_ketama(ptr); } return false; @@ -373,7 +345,7 @@ uint64_t memcached_behavior_get(memcached_st *shell, return hashkit_get_function(&ptr->hashkit); case MEMCACHED_BEHAVIOR_KETAMA_HASH: - return hashkit_get_function(&ptr->hashkit); + return hashkit_get_distribution_function(&ptr->hashkit); case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS: return ptr->flags.auto_eject_hosts; @@ -388,98 +360,89 @@ uint64_t memcached_behavior_get(memcached_st *shell, return ptr->flags.use_sort_hosts; case MEMCACHED_BEHAVIOR_POLL_TIMEOUT: - return (uint64_t)ptr->poll_timeout; + return (uint64_t) ptr->poll_timeout; case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT: - return (uint64_t)ptr->connect_timeout; + return (uint64_t) ptr->connect_timeout; case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT: - return (uint64_t)ptr->retry_timeout; + return (uint64_t) ptr->retry_timeout; case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT: return uint64_t(ptr->dead_timeout); case MEMCACHED_BEHAVIOR_SND_TIMEOUT: - return (uint64_t)ptr->snd_timeout; + return (uint64_t) ptr->snd_timeout; case MEMCACHED_BEHAVIOR_RCV_TIMEOUT: - return (uint64_t)ptr->rcv_timeout; + return (uint64_t) ptr->rcv_timeout; case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE: - return (uint64_t)ptr->tcp_keepidle; + return (uint64_t) ptr->tcp_keepidle; - case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE: + case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE: { + int sock_size = 0; + socklen_t sock_length = sizeof(int); + + if (ptr->send_size != -1) // If value is -1 then we are using the default { - int sock_size= 0; - socklen_t sock_length= sizeof(int); + return (uint64_t) ptr->send_size; + } + + memcached_instance_st *instance = memcached_instance_fetch(ptr, 0); - if (ptr->send_size != -1) // If value is -1 then we are using the default - { - return (uint64_t) ptr->send_size; + 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_failed(memcached_connect(instance))) { + return 0; } - memcached_instance_st* instance= memcached_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_failed(memcached_connect(instance))) - { - return 0; - } - - if (memcached_failed(memcached_io_wait_for_write(instance))) - { - return 0; - } - - if (getsockopt(instance->fd, SOL_SOCKET, SO_SNDBUF, (char*)&sock_size, &sock_length) < 0) - { - memcached_set_errno(*ptr, get_socket_errno(), MEMCACHED_AT); - return 0; /* Zero means error */ - } + if (memcached_failed(memcached_io_wait_for_write(instance))) { + return 0; } - return (uint64_t) sock_size; + if (getsockopt(instance->fd, SOL_SOCKET, SO_SNDBUF, (char *) &sock_size, &sock_length) < 0) { + memcached_set_errno(*ptr, get_socket_errno(), MEMCACHED_AT); + return 0; /* Zero means error */ + } } - case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE: - { - int sock_size= 0; - socklen_t sock_length= sizeof(int); - - if (ptr->recv_size != -1) // If value is -1 then we are using the default - return (uint64_t) ptr->recv_size; - - memcached_instance_st* instance= memcached_instance_fetch(ptr, 0); - - /** - @note REFACTOR - */ - if (instance) - { - /* We just try the first host, and if it is down we return zero */ - if (memcached_failed(memcached_connect(instance))) - { - return 0; - } - - if (memcached_failed(memcached_io_wait_for_write(instance))) - { - return 0; - } - - if (getsockopt(instance->fd, SOL_SOCKET, SO_RCVBUF, (char*)&sock_size, &sock_length) < 0) - { - memcached_set_errno(*ptr, get_socket_errno(), MEMCACHED_AT); - return 0; /* Zero means error */ - } + return (uint64_t) sock_size; + } + + case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE: { + int sock_size = 0; + socklen_t sock_length = sizeof(int); + + if (ptr->recv_size != -1) // If value is -1 then we are using the default + return (uint64_t) ptr->recv_size; + + memcached_instance_st *instance = memcached_instance_fetch(ptr, 0); + + /** + @note REFACTOR + */ + if (instance) { + /* We just try the first host, and if it is down we return zero */ + if (memcached_failed(memcached_connect(instance))) { + return 0; } - return (uint64_t) sock_size; + if (memcached_failed(memcached_io_wait_for_write(instance))) { + return 0; + } + + if (getsockopt(instance->fd, SOL_SOCKET, SO_RCVBUF, (char *) &sock_size, &sock_length) < 0) { + memcached_set_errno(*ptr, get_socket_errno(), MEMCACHED_AT); + return 0; /* Zero means error */ + } } + return (uint64_t) sock_size; + } + case MEMCACHED_BEHAVIOR_USER_DATA: memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT, memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated.")); @@ -519,14 +482,11 @@ uint64_t memcached_behavior_get(memcached_st *shell, /* NOTREACHED */ } - -memcached_return_t memcached_behavior_set_distribution(memcached_st *shell, memcached_server_distribution_t type) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr) - { - switch (type) - { +memcached_return_t memcached_behavior_set_distribution(memcached_st *shell, + memcached_server_distribution_t type) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr) { + switch (type) { case MEMCACHED_DISTRIBUTION_MODULA: break; @@ -550,10 +510,11 @@ memcached_return_t memcached_behavior_set_distribution(memcached_st *shell, memc default: case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX: - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, - memcached_literal_param("Invalid memcached_server_distribution_t")); + return memcached_set_error( + *ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + memcached_literal_param("Invalid memcached_server_distribution_t")); } - ptr->distribution= type; + ptr->distribution = type; return run_distribution(ptr); } @@ -561,25 +522,19 @@ memcached_return_t memcached_behavior_set_distribution(memcached_st *shell, memc return MEMCACHED_INVALID_ARGUMENTS; } - -memcached_server_distribution_t memcached_behavior_get_distribution(memcached_st *shell) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr) - { +memcached_server_distribution_t memcached_behavior_get_distribution(memcached_st *shell) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr) { return ptr->distribution; } return MEMCACHED_DISTRIBUTION_CONSISTENT_MAX; } -memcached_return_t memcached_behavior_set_key_hash(memcached_st *shell, memcached_hash_t type) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr) - { - if (hashkit_success(hashkit_set_function(&ptr->hashkit, (hashkit_hash_algorithm_t)type))) - { +memcached_return_t memcached_behavior_set_key_hash(memcached_st *shell, memcached_hash_t type) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr) { + if (hashkit_success(hashkit_set_function(&ptr->hashkit, (hashkit_hash_algorithm_t) type))) { return MEMCACHED_SUCCESS; } @@ -590,23 +545,21 @@ memcached_return_t memcached_behavior_set_key_hash(memcached_st *shell, memcache return MEMCACHED_INVALID_ARGUMENTS; } -memcached_hash_t memcached_behavior_get_key_hash(memcached_st *shell) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr) - { - return (memcached_hash_t)hashkit_get_function(&ptr->hashkit); +memcached_hash_t memcached_behavior_get_key_hash(memcached_st *shell) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr) { + return (memcached_hash_t) hashkit_get_function(&ptr->hashkit); } return MEMCACHED_HASH_MAX; } -memcached_return_t memcached_behavior_set_distribution_hash(memcached_st *shell, memcached_hash_t type) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr) - { - if (hashkit_success(hashkit_set_distribution_function(&ptr->hashkit, (hashkit_hash_algorithm_t)type))) +memcached_return_t memcached_behavior_set_distribution_hash(memcached_st *shell, + memcached_hash_t type) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr) { + if (hashkit_success( + hashkit_set_distribution_function(&ptr->hashkit, (hashkit_hash_algorithm_t) type))) { return MEMCACHED_SUCCESS; } @@ -618,107 +571,145 @@ memcached_return_t memcached_behavior_set_distribution_hash(memcached_st *shell, return MEMCACHED_INVALID_ARGUMENTS; } -memcached_hash_t memcached_behavior_get_distribution_hash(memcached_st *shell) -{ - Memcached* ptr= memcached2Memcached(shell); - if (ptr) - { - return (memcached_hash_t)hashkit_get_function(&ptr->hashkit); +memcached_hash_t memcached_behavior_get_distribution_hash(memcached_st *shell) { + Memcached *ptr = memcached2Memcached(shell); + if (ptr) { + return (memcached_hash_t) hashkit_get_function(&ptr->hashkit); } return MEMCACHED_HASH_MAX; } -const char *libmemcached_string_behavior(const memcached_behavior_t flag) -{ - switch (flag) - { - case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT: return "MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT"; - 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_DEAD_TIMEOUT: return "MEMCACHED_BEHAVIOR_DEAD_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"; +const char *libmemcached_string_behavior(const memcached_behavior_t flag) { + switch (flag) { + case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT: + return "MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT"; + 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_DEAD_TIMEOUT: + return "MEMCACHED_BEHAVIOR_DEAD_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"; + 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"; +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"; + case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX: + return "INVALID memcached_server_distribution_t"; } } -memcached_return_t memcached_bucket_set(memcached_st *shell, - const uint32_t *host_map, - const uint32_t *forward_map, - const uint32_t buckets, - const uint32_t replicas) -{ - Memcached* self= memcached2Memcached(shell); +memcached_return_t memcached_bucket_set(memcached_st *shell, const uint32_t *host_map, + const uint32_t *forward_map, const uint32_t buckets, + const uint32_t replicas) { + Memcached *self = memcached2Memcached(shell); memcached_return_t rc; - if (self == NULL) - { + if (self == NULL) { return MEMCACHED_INVALID_ARGUMENTS; } - if (host_map == NULL) - { + if (host_map == NULL) { return MEMCACHED_INVALID_ARGUMENTS; } - memcached_server_distribution_t old= memcached_behavior_get_distribution(self); + memcached_server_distribution_t old = memcached_behavior_get_distribution(self); - if (memcached_failed(rc =memcached_behavior_set_distribution(self, MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET))) + if (memcached_failed( + rc = memcached_behavior_set_distribution(self, MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET))) { return rc; } - if (memcached_failed(rc= memcached_virtual_bucket_create(self, host_map, forward_map, buckets, replicas))) + if (memcached_failed( + rc = memcached_virtual_bucket_create(self, host_map, forward_map, buckets, replicas))) { memcached_behavior_set_distribution(self, old); }