-/* 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 <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
#include "libmemcached/common.h"
* 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;
}