-/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libmemcached library
- *
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
- * Copyright (C) 2010 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.
- *
- */
-
-#include <libmemcached/common.h>
+/*
+ +--------------------------------------------------------------------+
+ | 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> |
+ +--------------------------------------------------------------------+
+*/
-namespace {
- memcached_return_t send_quit_message(memcached_instance_st* instance)
- {
- memcached_return_t rc;
- if (instance->root->flags.binary_protocol)
- {
- protocol_binary_request_quit request= {}; // = {.bytes= {0}};
+#include "libmemcached/common.h"
- initialize_binary_request(instance, request.message.header);
+namespace {
+memcached_return_t send_quit_message(memcached_instance_st *instance) {
+ memcached_return_t rc;
+ if (instance->root->flags.binary_protocol) {
+ protocol_binary_request_quit request = {}; // = {.bytes= {0}};
- request.message.header.request.opcode = PROTOCOL_BINARY_CMD_QUIT;
- request.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
+ initialize_binary_request(instance, request.message.header);
- libmemcached_io_vector_st vector[]=
- {
- { request.bytes, sizeof(request.bytes) }
- };
+ request.message.header.request.opcode = PROTOCOL_BINARY_CMD_QUIT;
+ request.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
- rc= memcached_vdo(instance, vector, 1, true);
- }
- else
- {
- libmemcached_io_vector_st vector[]=
- {
- { memcached_literal_param("quit\r\n") }
- };
+ libmemcached_io_vector_st vector[] = {{request.bytes, sizeof(request.bytes)}};
- rc= memcached_vdo(instance, vector, 1, true);
- }
+ rc = memcached_vdo(instance, vector, 1, true);
+ } else {
+ libmemcached_io_vector_st vector[] = {{memcached_literal_param("quit\r\n")}};
- return rc;
+ rc = memcached_vdo(instance, vector, 1, true);
}
- void drain_instance(memcached_instance_st* instance)
- {
- /* read until socket is closed, or there is an error
- * closing the socket before all data is read
- * results in server throwing away all data which is
- * not read
- *
- * In .40 we began to only do this if we had been doing buffered
- * requests of had replication enabled.
- */
- if (instance->root->flags.buffer_requests or instance->root->number_of_replicas)
- {
- memcached_io_slurp(instance);
- }
+ return rc;
+}
- /*
- * memcached_io_read may call memcached_quit_server with io_death if
- * it encounters problems, but we don't care about those occurences.
- * The intention of that loop is to drain the data sent from the
- * server to ensure that the server processed all of the data we
- * sent to the server.
- */
- instance->server_failure_counter= 0;
- instance->server_timeout_counter= 0;
+void drain_instance(memcached_instance_st *instance) {
+ /* read until socket is closed, or there is an error
+ * closing the socket before all data is read
+ * results in server throwing away all data which is
+ * not read
+ *
+ * In .40 we began to only do this if we had been doing buffered
+ * requests of had replication enabled.
+ */
+ if (instance->root->flags.buffer_requests or instance->root->number_of_replicas) {
+ memcached_io_slurp(instance);
}
+
+ /*
+ * memcached_io_read may call memcached_quit_server with io_death if
+ * it encounters problems, but we don't care about those occurences.
+ * The intention of that loop is to drain the data sent from the
+ * server to ensure that the server processed all of the data we
+ * sent to the server.
+ */
+ instance->server_failure_counter = 0;
+ instance->server_timeout_counter = 0;
}
+} // namespace
/*
This closes all connections (forces flush of input as well).
will force data to be completed.
*/
-void memcached_quit_server(memcached_instance_st* instance, bool io_death)
-{
- if (instance->valid())
- {
- if (io_death == false and memcached_is_udp(instance->root) == false and instance->is_shutting_down() == false)
+void memcached_quit_server(memcached_instance_st *instance, bool io_death) {
+ if (instance->valid()) {
+ if (io_death == false and memcached_is_udp(instance->root) == false
+ and instance->is_shutting_down() == false)
{
send_quit_message(instance);
instance->close_socket();
- if (io_death and memcached_is_udp(instance->root))
- {
+ if (io_death and memcached_is_udp(instance->root)) {
/*
If using UDP, we should stop using the server briefly on every IO
failure. If using TCP, it may be that the connection went down a
}
}
-void send_quit(Memcached *memc)
-{
- for (uint32_t x= 0; x < memcached_server_count(memc); x++)
- {
- memcached_instance_st* instance= memcached_instance_fetch(memc, x);
+void send_quit(Memcached *memc) {
+ for (uint32_t x = 0; x < memcached_server_count(memc); x++) {
+ memcached_instance_st *instance = memcached_instance_fetch(memc, x);
memcached_quit_server(instance, false);
}
}
-void memcached_quit(memcached_st *shell)
-{
- Memcached* memc= memcached2Memcached(shell);
+void memcached_quit(memcached_st *shell) {
+ Memcached *memc = memcached2Memcached(shell);
memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(memc, true)))
- {
+ if (memcached_failed(rc = initialize_query(memc, true))) {
return;
}