X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fdelete.cc;h=9575a95722eeff922dc1b770aeb47215647fe2c0;hb=9973d386ac8476cd09cc4d9cf7bd2234a42740c7;hp=660a903cd05d6ae6cba6b3468bca7c43ecb0bc30;hpb=acfcad9a8cf887b92c30eff4894dedbe8f289ff3;p=awesomized%2Flibmemcached diff --git a/libmemcached/delete.cc b/libmemcached/delete.cc index 660a903c..9575a957 100644 --- a/libmemcached/delete.cc +++ b/libmemcached/delete.cc @@ -38,18 +38,18 @@ #include #include -memcached_return_t memcached_delete(memcached_st *ptr, const char *key, size_t key_length, +memcached_return_t memcached_delete(memcached_st *shell, const char *key, size_t key_length, time_t expiration) { - return memcached_delete_by_key(ptr, key, key_length, key, key_length, expiration); + return memcached_delete_by_key(shell, key, key_length, key, key_length, expiration); } -static inline memcached_return_t ascii_delete(memcached_server_write_instance_st instance, +static inline memcached_return_t ascii_delete(memcached_instance_st* instance, uint32_t , const char *key, const size_t key_length, const bool reply, - const bool flush) + const bool is_buffering) { libmemcached_io_vector_st vector[]= { @@ -61,20 +61,23 @@ static inline memcached_return_t ascii_delete(memcached_server_write_instance_st { memcached_literal_param("\r\n") } }; - /* Send command header */ - return memcached_vdo(instance, vector, 6, flush); + /* Send command header, only flush if we are NOT buffering */ + return memcached_vdo(instance, vector, 6, is_buffering ? false : true); } -static inline memcached_return_t binary_delete(memcached_server_write_instance_st instance, +static inline memcached_return_t binary_delete(memcached_instance_st* instance, uint32_t server_key, const char *key, const size_t key_length, const bool reply, - const bool flush) + const bool is_buffering) { protocol_binary_request_delete request= {}; - request.message.header.request.magic= PROTOCOL_BINARY_REQ; + bool should_flush= is_buffering ? false : true; + + initialize_binary_request(instance, request.message.header); + if (reply) { request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETE; @@ -83,9 +86,9 @@ static inline memcached_return_t binary_delete(memcached_server_write_instance_s { request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETEQ; } - request.message.header.request.keylen= htons((uint16_t)(key_length + memcached_array_size(instance->root->_namespace))); + request.message.header.request.keylen= htons(uint16_t(key_length + memcached_array_size(instance->root->_namespace))); request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES; - request.message.header.request.bodylen= htonl((uint32_t)(key_length + memcached_array_size(instance->root->_namespace))); + request.message.header.request.bodylen= htonl(uint32_t(key_length + memcached_array_size(instance->root->_namespace))); libmemcached_io_vector_st vector[]= { @@ -95,33 +98,24 @@ static inline memcached_return_t binary_delete(memcached_server_write_instance_s { key, key_length } }; - memcached_return_t rc= MEMCACHED_SUCCESS; - - if ((rc= memcached_vdo(instance, vector, 4, flush)) != MEMCACHED_SUCCESS) - { - memcached_io_reset(instance); - } + memcached_return_t rc= memcached_vdo(instance, vector, 4, should_flush); - if (instance->root->number_of_replicas > 0) + if (memcached_has_replicas(instance)) { request.message.header.request.opcode= PROTOCOL_BINARY_CMD_DELETEQ; - for (uint32_t x= 0; x < instance->root->number_of_replicas; ++x) + for (uint32_t x= 0; x < memcached_has_replicas(instance); ++x) { - ++server_key; + if (server_key == memcached_server_count(instance->root)) { server_key= 0; } - memcached_server_write_instance_st replica= memcached_server_instance_fetch(instance->root, server_key); + memcached_instance_st* replica= memcached_instance_fetch(instance->root, server_key); - if (memcached_vdo(replica, vector, 4, flush) != MEMCACHED_SUCCESS) - { - memcached_io_reset(replica); - } - else + if (memcached_success(memcached_vdo(replica, vector, 4, should_flush))) { memcached_server_response_decrement(replica); } @@ -131,68 +125,69 @@ static inline memcached_return_t binary_delete(memcached_server_write_instance_s return rc; } -memcached_return_t memcached_delete_by_key(memcached_st *ptr, +memcached_return_t memcached_delete_by_key(memcached_st *shell, const char *group_key, size_t group_key_length, const char *key, size_t key_length, time_t expiration) { + Memcached* memc= memcached2Memcached(shell); LIBMEMCACHED_MEMCACHED_DELETE_START(); memcached_return_t rc; - if (memcached_failed(rc= initialize_query(ptr, true))) + if (memcached_fatal(rc= initialize_query(memc, true))) { return rc; } - if (memcached_failed(rc= memcached_key_test(*ptr, (const char **)&key, &key_length, 1))) + if (memcached_fatal(rc= memcached_key_test(*memc, (const char **)&key, &key_length, 1))) { - return memcached_set_error(*ptr, rc, MEMCACHED_AT); + return memcached_last_error(memc); } if (expiration) { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + return memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Memcached server version does not allow expiration of deleted items")); } - uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length); - memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key); + uint32_t server_key= memcached_generate_hash_with_redistribution(memc, group_key, group_key_length); + memcached_instance_st* instance= memcached_instance_fetch(memc, server_key); - bool buffering= memcached_is_buffering(instance->root); - bool reply= memcached_is_replying(instance->root); + bool is_buffering= memcached_is_buffering(instance->root); + bool is_replying= memcached_is_replying(instance->root); // If a delete trigger exists, we need a response, so no buffering/noreply - if (ptr->delete_trigger) + if (memc->delete_trigger) { - if (buffering) + if (is_buffering) { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + return memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Delete triggers cannot be used if buffering is enabled")); } - if (reply == false) + if (is_replying == false) { - return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, + return memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Delete triggers cannot be used if MEMCACHED_BEHAVIOR_NOREPLY is set")); } } - if (memcached_is_binary(ptr)) + if (memcached_is_binary(memc)) { - rc= binary_delete(instance, server_key, key, key_length, reply, buffering ? false : true); + rc= binary_delete(instance, server_key, key, key_length, is_replying, is_buffering); } else { - rc= ascii_delete(instance, server_key, key, key_length, reply, buffering ? false : true); + rc= ascii_delete(instance, server_key, key, key_length, is_replying, is_buffering); } if (rc == MEMCACHED_SUCCESS) { - if (buffering == true) + if (is_buffering == true) { rc= MEMCACHED_BUFFERED; } - else if (reply == false) + else if (is_replying == false) { rc= MEMCACHED_SUCCESS; } @@ -203,14 +198,14 @@ memcached_return_t memcached_delete_by_key(memcached_st *ptr, if (rc == MEMCACHED_DELETED) { rc= MEMCACHED_SUCCESS; - if (ptr->delete_trigger) + if (memc->delete_trigger) { - ptr->delete_trigger(ptr, key, key_length); + memc->delete_trigger(memc, key, key_length); } } } } LIBMEMCACHED_MEMCACHED_DELETE_END(); - return memcached_set_error(*ptr, rc, MEMCACHED_AT ); + return rc; }