X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Flibmemcached%2Fudp.cc;h=99052c070894a9bce8b05ee4e56a462c6fa95ef0;hb=fe8186fc9f190103044da55493ff4ed295defb22;hp=f58b5bb7b2c40d085d0af0e61a42e0eb5b066d6b;hpb=5bb6f975322d3da0caf082b8d890132194d0a4ea;p=awesomized%2Flibmemcached diff --git a/src/libmemcached/udp.cc b/src/libmemcached/udp.cc index f58b5bb7..99052c07 100644 --- a/src/libmemcached/udp.cc +++ b/src/libmemcached/udp.cc @@ -1,39 +1,17 @@ -/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: - * - * LibMemcached - * - * Copyright (C) 2011 Data Differential, http://datadifferential.com/ - * 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" @@ -48,30 +26,27 @@ * extracts the message number from message_id, increments it and then * writes the new value back into the header */ -void increment_udp_message_id(memcached_instance_st* ptr) -{ - struct udp_datagram_header_st *header= (struct udp_datagram_header_st *)ptr->write_buffer; - uint16_t cur_req= get_udp_datagram_request_id(header); - int msg_num= get_msg_num_from_request_id(cur_req); - int thread_id= get_thread_id_from_request_id(cur_req); +void increment_udp_message_id(memcached_instance_st *ptr) { + struct udp_datagram_header_st *header = (struct udp_datagram_header_st *) ptr->write_buffer; + uint16_t cur_req = get_udp_datagram_request_id(header); + int msg_num = get_msg_num_from_request_id(cur_req); + int thread_id = get_thread_id_from_request_id(cur_req); - if (((++msg_num) & UDP_REQUEST_ID_THREAD_MASK) != 0) - msg_num= 0; + if (((++msg_num) & UDP_REQUEST_ID_THREAD_MASK)) + msg_num = 0; - header->request_id= htons((uint16_t) (thread_id | msg_num)); + header->request_id = htons((uint16_t)(thread_id | msg_num)); } -bool memcached_io_init_udp_header(memcached_instance_st* ptr, const uint16_t thread_id) -{ - if (thread_id > UDP_REQUEST_ID_MAX_THREAD_ID) - { +bool memcached_io_init_udp_header(memcached_instance_st *ptr, const uint16_t thread_id) { + if (thread_id > UDP_REQUEST_ID_MAX_THREAD_ID) { return MEMCACHED_FAILURE; } - struct udp_datagram_header_st *header= (struct udp_datagram_header_st *)ptr->write_buffer; - header->request_id= htons(uint16_t((generate_udp_request_thread_id(thread_id)))); - header->num_datagrams= htons(1); - header->sequence_number= htons(0); + struct udp_datagram_header_st *header = (struct udp_datagram_header_st *) ptr->write_buffer; + header->request_id = htons(uint16_t((generate_udp_request_thread_id(thread_id)))); + header->num_datagrams = htons(1); + header->sequence_number = htons(0); return MEMCACHED_SUCCESS; }