-/* 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.
- *
- */
-
/*
- This is a partial implementation for fetching/creating memcached_server_st objects.
+ +--------------------------------------------------------------------+
+ | libmemcached-awesome - 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) 2020-2021 Michael Wallner https://awesome.co/ |
+ +--------------------------------------------------------------------+
*/
+
#include "libmemcached/common.h"
static inline void _server_init(memcached_server_st *self, Memcached *root,
- const memcached_string_t& hostname,
- in_port_t port,
- uint32_t weight, memcached_connection_t type)
-{
- self->options.is_shutting_down= false;
- self->options.is_dead= false;
- self->number_of_hosts= 0;
- self->cursor_active= 0;
- self->port= port;
- self->io_bytes_sent= 0;
- self->request_id= 0;
- self->server_failure_counter= 0;
- self->server_failure_counter_query_id= 0;
- self->server_timeout_counter= 0;
- self->server_timeout_counter_query_id= 0;
- self->weight= weight ? weight : 1; // 1 is the default weight value
- self->io_wait_count.read= 0;
- self->io_wait_count.write= 0;
- self->io_wait_count.timeouts= 0;
- self->io_wait_count._bytes_read= 0;
- self->major_version= UINT8_MAX;
- self->micro_version= UINT8_MAX;
- self->minor_version= UINT8_MAX;
- self->type= type;
- self->error_messages= NULL;
-
- self->state= MEMCACHED_SERVER_STATE_NEW;
- self->next_retry= 0;
-
- self->root= root;
- if (root)
- {
- self->version= ++root->server_info.version;
- }
- else
- {
- self->version= UINT_MAX;
- }
- self->limit_maxbytes= 0;
+ const memcached_string_t &hostname, in_port_t port, uint32_t weight,
+ memcached_connection_t type) {
+ self->options.is_shutting_down = false;
+ self->options.is_dead = false;
+ self->number_of_hosts = 0;
+ self->cursor_active = 0;
+ self->port = port;
+ self->io_bytes_sent = 0;
+ self->request_id = 0;
+ self->server_failure_counter = 0;
+ self->server_failure_counter_query_id = 0;
+ self->server_timeout_counter = 0;
+ self->server_timeout_counter_query_id = 0;
+ self->weight = weight ? weight : 1; // 1 is the default weight value
+ self->io_wait_count.read = 0;
+ self->io_wait_count.write = 0;
+ self->io_wait_count.timeouts = 0;
+ self->io_wait_count._bytes_read = 0;
+ self->major_version = UINT8_MAX;
+ self->micro_version = UINT8_MAX;
+ self->minor_version = UINT8_MAX;
+ self->type = type;
+ self->error_messages = NULL;
+
+ self->state = MEMCACHED_SERVER_STATE_NEW;
+ self->next_retry = 0;
+
+ self->root = root;
+ if (root) {
+ self->version = ++root->server_info.version;
+ } else {
+ self->version = UINT_MAX;
+ }
+ self->limit_maxbytes = 0;
memcpy(self->hostname, hostname.c_str, hostname.size);
- self->hostname[hostname.size]= 0;
+ self->hostname[hostname.size] = 0;
}
-static memcached_server_st *_server_create(memcached_server_st *self, const Memcached *memc)
-{
- if (self == NULL)
- {
- self= libmemcached_xmalloc(memc, struct memcached_server_st);
+static memcached_server_st *_server_create(memcached_server_st *self, const Memcached *memc) {
+ if (self == NULL) {
+ self = libmemcached_xmalloc(memc, struct memcached_server_st);
- if (self == NULL)
- {
+ if (self == NULL) {
return NULL; /* MEMCACHED_MEMORY_ALLOCATION_FAILURE */
}
- self->options.is_allocated= true;
- }
- else
- {
- self->options.is_allocated= false;
+ self->options.is_allocated = true;
+ } else {
+ self->options.is_allocated = false;
}
- self->options.is_initialized= true;
+ self->options.is_initialized = true;
return self;
}
-memcached_server_st *__server_create_with(Memcached *memc,
- memcached_server_st* allocated_instance,
- const memcached_string_t& hostname,
- const in_port_t port,
- uint32_t weight,
- const memcached_connection_t type)
-{
- if (memcached_is_valid_servername(hostname) == false)
- {
- memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid hostname provided"));
+memcached_server_st *server_create_with(Memcached *memc, memcached_server_st *self,
+ const memcached_string_t &hostname, const in_port_t port,
+ uint32_t weight, const memcached_connection_t type) {
+ if (memcached_is_valid_servername(hostname) == false) {
+ memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid hostname provided"));
return NULL;
}
- allocated_instance= _server_create(allocated_instance, memc);
+ self = _server_create(self, memc);
- if (allocated_instance == NULL)
- {
+ if (self == NULL) {
return NULL;
}
- _server_init(allocated_instance, const_cast<Memcached *>(memc), hostname, port, weight, type);
+ _server_init(self, const_cast<Memcached *>(memc), hostname, port, weight, type);
- return allocated_instance;
+ return self;
}
-void __server_free(memcached_server_st *self)
-{
+void server_free(memcached_server_st *self) {
memcached_error_free(*self);
- if (memcached_is_allocated(self))
- {
+ if (memcached_is_allocated(self)) {
libmemcached_free(self->root, self);
- }
- else
- {
- self->options.is_initialized= false;
+ } else {
+ self->options.is_initialized = false;
}
}
-void memcached_server_free(memcached_server_st *self)
-{
- if (self == NULL)
- {
+void memcached_server_free(memcached_server_st *self) {
+ if (self == NULL) {
return;
}
- if (memcached_server_list_count(self))
- {
+ if (memcached_server_list_count(self)) {
memcached_server_list_free(self);
return;
}
- __server_free(self);
+ server_free(self);
}
-void memcached_server_error_reset(memcached_server_st *self)
-{
+void memcached_server_error_reset(memcached_server_st *self) {
WATCHPOINT_ASSERT(self);
- if (self == NULL)
- {
+ if (self == NULL) {
return;
}
memcached_error_free(*self);
}
-uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count)
-{
+uint32_t memcached_servers_set_count(memcached_server_st *servers, uint32_t count) {
WATCHPOINT_ASSERT(servers);
- if (servers == NULL)
- {
+ if (servers == NULL) {
return 0;
}
- return servers->number_of_hosts= count;
+ return servers->number_of_hosts = count;
}
-uint32_t memcached_server_count(const memcached_st *self)
-{
+uint32_t memcached_server_count(const memcached_st *self) {
WATCHPOINT_ASSERT(self);
if (self == NULL)
return 0;
return self->number_of_hosts;
}
-const char *memcached_server_name(const memcached_instance_st * self)
-{
+const char *memcached_server_name(const memcached_instance_st *self) {
WATCHPOINT_ASSERT(self);
- if (self)
- {
+ if (self) {
return self->_hostname;
}
return NULL;
}
-in_port_t memcached_server_port(const memcached_instance_st * self)
-{
+in_port_t memcached_server_port(const memcached_instance_st *self) {
WATCHPOINT_ASSERT(self);
- if (self == NULL)
- {
+ if (self == NULL) {
return 0;
}
return self->port();
}
-in_port_t memcached_server_srcport(const memcached_instance_st * self)
-{
+in_port_t memcached_server_srcport(const memcached_instance_st *self) {
WATCHPOINT_ASSERT(self);
- if (self == NULL || self->fd == INVALID_SOCKET || (self->type != MEMCACHED_CONNECTION_TCP && self->type != MEMCACHED_CONNECTION_UDP))
+ if (self == NULL || self->fd == INVALID_SOCKET
+ || (self->type != MEMCACHED_CONNECTION_TCP && self->type != MEMCACHED_CONNECTION_UDP))
{
return 0;
}
struct sockaddr_in sin;
- socklen_t addrlen= sizeof(sin);
- if (getsockname(self->fd, (struct sockaddr*)&sin, &addrlen) != -1)
- {
+ socklen_t addrlen = sizeof(sin);
+ if (getsockname(self->fd, (struct sockaddr *) &sin, &addrlen) != -1) {
return ntohs(sin.sin_port);
}
return -1;
}
-uint32_t memcached_server_response_count(const memcached_instance_st * self)
-{
+uint32_t memcached_server_response_count(const memcached_instance_st *self) {
WATCHPOINT_ASSERT(self);
- if (self == NULL)
- {
+ if (self == NULL) {
return 0;
}
return self->cursor_active_;
}
-const char *memcached_server_type(const memcached_instance_st * ptr)
-{
- if (ptr)
- {
- switch (ptr->type)
- {
+const char *memcached_server_type(const memcached_instance_st *ptr) {
+ if (ptr) {
+ switch (ptr->type) {
case MEMCACHED_CONNECTION_TCP:
return "TCP";
return "UNKNOWN";
}
-uint8_t memcached_server_major_version(const memcached_instance_st * instance)
-{
- if (instance)
- {
+uint8_t memcached_server_major_version(const memcached_instance_st *instance) {
+ if (instance) {
return instance->major_version;
}
return UINT8_MAX;
}
-uint8_t memcached_server_minor_version(const memcached_instance_st * instance)
-{
- if (instance)
- {
+uint8_t memcached_server_minor_version(const memcached_instance_st *instance) {
+ if (instance) {
return instance->minor_version;
}
return UINT8_MAX;
}
-uint8_t memcached_server_micro_version(const memcached_instance_st * instance)
-{
- if (instance)
- {
+uint8_t memcached_server_micro_version(const memcached_instance_st *instance) {
+ if (instance) {
return instance->micro_version;
}