-/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libmemcached library
- *
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
- * Copyright (C) 2006-2010 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.
- *
- */
+/*
+ +--------------------------------------------------------------------+
+ | 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"
#include "libmemcached/assert.hpp"
+#include "p9y/gettimeofday.hpp"
+#include "p9y/random.hpp"
#include <cmath>
-#include <sys/time.h>
/* Protoypes (static) */
static memcached_return_t update_continuum(Memcached *ptr);
-static int compare_servers(const void *p1, const void *p2)
-{
- const memcached_instance_st * a= (const memcached_instance_st *)p1;
- const memcached_instance_st * b= (const memcached_instance_st *)p2;
+static int compare_servers(const void *p1, const void *p2) {
+ const memcached_instance_st *a = (const memcached_instance_st *) p1;
+ const memcached_instance_st *b = (const memcached_instance_st *) p2;
- int return_value= strcmp(a->_hostname, b->_hostname);
+ int return_value = strcmp(a->_hostname, b->_hostname);
- if (return_value == 0)
- {
- return_value= int(a->port() - b->port());
+ if (return_value == 0) {
+ return_value = int(a->port() - b->port());
}
return return_value;
}
-static void sort_hosts(Memcached *ptr)
-{
- if (memcached_server_count(ptr))
- {
- qsort(memcached_instance_list(ptr), memcached_server_count(ptr), sizeof(memcached_instance_st), compare_servers);
+static void sort_hosts(Memcached *ptr) {
+ if (memcached_server_count(ptr)) {
+ qsort(memcached_instance_list(ptr), memcached_server_count(ptr), sizeof(memcached_instance_st),
+ compare_servers);
}
}
-
-memcached_return_t run_distribution(Memcached *ptr)
-{
- if (ptr->flags.use_sort_hosts)
- {
+memcached_return_t run_distribution(Memcached *ptr) {
+ if (ptr->flags.use_sort_hosts) {
sort_hosts(ptr);
}
- switch (ptr->distribution)
- {
+ switch (ptr->distribution) {
case MEMCACHED_DISTRIBUTION_CONSISTENT:
case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA:
case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY:
return MEMCACHED_SUCCESS;
}
-static uint32_t ketama_server_hash(const char *key, size_t key_length, uint32_t alignment)
-{
+static uint32_t ketama_server_hash(const char *key, size_t key_length, uint32_t alignment) {
unsigned char results[16];
- libhashkit_md5_signature((unsigned char*)key, key_length, results);
+ libhashkit_md5_signature((unsigned char *) key, key_length, results);
- return ((uint32_t) (results[3 + alignment * 4] & 0xFF) << 24)
- | ((uint32_t) (results[2 + alignment * 4] & 0xFF) << 16)
- | ((uint32_t) (results[1 + alignment * 4] & 0xFF) << 8)
- | (results[0 + alignment * 4] & 0xFF);
+ return ((uint32_t)(results[3 + alignment * 4] & 0xFF) << 24)
+ | ((uint32_t)(results[2 + alignment * 4] & 0xFF) << 16)
+ | ((uint32_t)(results[1 + alignment * 4] & 0xFF) << 8) | (results[0 + alignment * 4] & 0xFF);
}
-static int continuum_item_cmp(const void *t1, const void *t2)
-{
- memcached_continuum_item_st *ct1= (memcached_continuum_item_st *)t1;
- memcached_continuum_item_st *ct2= (memcached_continuum_item_st *)t2;
+static int continuum_item_cmp(const void *t1, const void *t2) {
+ memcached_continuum_item_st *ct1 = (memcached_continuum_item_st *) t1;
+ memcached_continuum_item_st *ct2 = (memcached_continuum_item_st *) t2;
/* Why 153? Hmmm... */
WATCHPOINT_ASSERT(ct1->value != 153);
- if (ct1->value == ct2->value)
- {
- if (ct1->index == ct2->index)
- {
+ if (ct1->value == ct2->value) {
+ if (ct1->index == ct2->index) {
return 0;
- }
- else if (ct1->index > ct2->index)
- {
+ } else if (ct1->index > ct2->index) {
return 1;
- }
- else
- {
+ } else {
return -1;
}
- }
- else if (ct1->value > ct2->value)
- {
+ } else if (ct1->value > ct2->value) {
return 1;
- }
- else
- {
+ } else {
return -1;
}
}
-static memcached_return_t update_continuum(Memcached *ptr)
-{
- uint32_t continuum_index= 0;
- uint32_t pointer_counter= 0;
- uint32_t pointer_per_server= MEMCACHED_POINTS_PER_SERVER;
- uint32_t pointer_per_hash= 1;
- uint32_t live_servers= 0;
+static memcached_return_t update_continuum(Memcached *ptr) {
+ uint32_t continuum_index = 0;
+ uint32_t pointer_counter = 0;
+ uint32_t pointer_per_server = MEMCACHED_POINTS_PER_SERVER;
+ uint32_t pointer_per_hash = 1;
+ uint32_t live_servers = 0;
struct timeval now;
- if (gettimeofday(&now, NULL))
- {
+ if (gettimeofday(&now, NULL)) {
return memcached_set_errno(*ptr, errno, MEMCACHED_AT);
}
- memcached_instance_st* list= memcached_instance_list(ptr);
+ memcached_instance_st *list = memcached_instance_list(ptr);
/* count live servers (those without a retry delay set) */
- bool is_auto_ejecting= _is_auto_eject_host(ptr);
- if (is_auto_ejecting)
- {
- live_servers= 0;
- ptr->ketama.next_distribution_rebuild= 0;
- for (uint32_t host_index= 0; host_index < memcached_server_count(ptr); ++host_index)
- {
- if (list[host_index].next_retry <= now.tv_sec)
- {
+ bool is_auto_ejecting = _is_auto_eject_host(ptr);
+ if (is_auto_ejecting) {
+ live_servers = 0;
+ ptr->ketama.next_distribution_rebuild = 0;
+ for (uint32_t host_index = 0; host_index < memcached_server_count(ptr); ++host_index) {
+ if (list[host_index].next_retry <= now.tv_sec) {
live_servers++;
- }
- else
- {
- if (ptr->ketama.next_distribution_rebuild == 0 or list[host_index].next_retry < ptr->ketama.next_distribution_rebuild)
+ } else {
+ if (ptr->ketama.next_distribution_rebuild == 0
+ or list[host_index].next_retry < ptr->ketama.next_distribution_rebuild)
{
- ptr->ketama.next_distribution_rebuild= list[host_index].next_retry;
+ ptr->ketama.next_distribution_rebuild = list[host_index].next_retry;
}
}
}
- }
- else
- {
- live_servers= memcached_server_count(ptr);
+ } else {
+ live_servers = memcached_server_count(ptr);
}
- if (live_servers == 0)
- {
+ if (live_servers == 0) {
return MEMCACHED_SUCCESS;
}
- uint32_t points_per_server = (uint32_t) (memcached_is_weighted_ketama(ptr) ? MEMCACHED_POINTS_PER_SERVER_KETAMA : MEMCACHED_POINTS_PER_SERVER);
+ uint32_t points_per_server =
+ (uint32_t)(memcached_is_weighted_ketama(ptr) ? MEMCACHED_POINTS_PER_SERVER_KETAMA
+ : MEMCACHED_POINTS_PER_SERVER);
uint32_t continuum_limit = live_servers * points_per_server;
uint32_t continuum_extra = MEMCACHED_CONTINUUM_ADDITION * points_per_server;
- if (continuum_limit > ptr->ketama.continuum_count)
- {
+ if (continuum_limit > ptr->ketama.continuum_count) {
memcached_continuum_item_st *new_ptr;
- new_ptr= libmemcached_xrealloc(ptr, ptr->ketama.continuum, continuum_limit + continuum_extra, memcached_continuum_item_st);
+ new_ptr = libmemcached_xrealloc(ptr, ptr->ketama.continuum, continuum_limit + continuum_extra,
+ memcached_continuum_item_st);
- if (new_ptr == 0)
- {
+ if (new_ptr == 0) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
- ptr->ketama.continuum= new_ptr;
- ptr->ketama.continuum_count= continuum_limit + continuum_extra;
+ ptr->ketama.continuum = new_ptr;
+ ptr->ketama.continuum_count = continuum_limit + continuum_extra;
}
assert_msg(ptr->ketama.continuum, "Programmer Error, empty ketama continuum");
- uint64_t total_weight= 0;
- if (memcached_is_weighted_ketama(ptr))
- {
- for (uint32_t host_index = 0; host_index < memcached_server_count(ptr); ++host_index)
- {
- if (is_auto_ejecting == false or list[host_index].next_retry <= now.tv_sec)
- {
+ uint64_t total_weight = 0;
+ if (memcached_is_weighted_ketama(ptr)) {
+ for (uint32_t host_index = 0; host_index < memcached_server_count(ptr); ++host_index) {
+ if (is_auto_ejecting == false or list[host_index].next_retry <= now.tv_sec) {
total_weight += list[host_index].weight;
}
}
}
- for (uint32_t host_index= 0; host_index < memcached_server_count(ptr); ++host_index)
- {
- if (is_auto_ejecting and list[host_index].next_retry > now.tv_sec)
- {
+ for (uint32_t host_index = 0; host_index < memcached_server_count(ptr); ++host_index) {
+ if (is_auto_ejecting and list[host_index].next_retry > now.tv_sec) {
continue;
}
- if (memcached_is_weighted_ketama(ptr))
- {
- float pct= (float)list[host_index].weight / (float)total_weight;
- pointer_per_server= (uint32_t) ((::floor((float) (pct * MEMCACHED_POINTS_PER_SERVER_KETAMA / 4 * (float)live_servers + 0.0000000001F))) * 4);
- pointer_per_hash= 4;
- if (0 && DEBUG)
- {
- printf("ketama_weighted:%s|%d|%llu|%u\n",
- list[host_index]._hostname,
- list[host_index].port(),
- (unsigned long long)list[host_index].weight,
- pointer_per_server);
- }
+ if (memcached_is_weighted_ketama(ptr)) {
+ float pct = (float) list[host_index].weight / (float) total_weight;
+ pointer_per_server = (uint32_t)(
+ (::floor((float) (pct * MEMCACHED_POINTS_PER_SERVER_KETAMA / 4 * (float) live_servers
+ + 0.0000000001F)))
+ * 4);
+ pointer_per_hash = 4;
+ if (0 && DEBUG) {
+ printf("ketama_weighted:%s|%d|%llu|%u\n", list[host_index]._hostname,
+ list[host_index].port(), (unsigned long long) list[host_index].weight,
+ pointer_per_server);
+ }
}
-
- if (ptr->distribution == MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY)
- {
- for (uint32_t pointer_index= 0;
- pointer_index < pointer_per_server / pointer_per_hash;
+ if (ptr->distribution == MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY) {
+ for (uint32_t pointer_index = 0; pointer_index < pointer_per_server / pointer_per_hash;
pointer_index++)
{
- char sort_host[1 +MEMCACHED_NI_MAXHOST +1 +MEMCACHED_NI_MAXSERV +1 + MEMCACHED_NI_MAXSERV ]= "";
+ char sort_host[1 + MEMCACHED_NI_MAXHOST + 1 + MEMCACHED_NI_MAXSERV + 1
+ + MEMCACHED_NI_MAXSERV] = "";
int sort_host_length;
// Spymemcached ketema key format is: hostname/ip:port-index
// If hostname is not available then: /ip:port-index
- sort_host_length= snprintf(sort_host, sizeof(sort_host),
- "/%s:%u-%u",
- list[host_index]._hostname,
- (uint32_t)list[host_index].port(),
- pointer_index);
+ sort_host_length =
+ snprintf(sort_host, sizeof(sort_host), "/%s:%u-%u", list[host_index]._hostname,
+ (uint32_t) list[host_index].port(), pointer_index);
- if (size_t(sort_host_length) >= sizeof(sort_host) or sort_host_length < 0)
- {
+ if (size_t(sort_host_length) >= sizeof(sort_host) or sort_host_length < 0) {
return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
memcached_literal_param("snprintf(sizeof(sort_host))"));
}
- if (0 && DEBUG)
- {
+ if (0 && DEBUG) {
fprintf(stdout, "update_continuum: key is %s\n", sort_host);
}
- if (memcached_is_weighted_ketama(ptr))
- {
- for (uint32_t x= 0; x < pointer_per_hash; x++)
- {
- uint32_t value= ketama_server_hash(sort_host, (size_t)sort_host_length, x);
- ptr->ketama.continuum[continuum_index].index= host_index;
- ptr->ketama.continuum[continuum_index++].value= value;
+ if (memcached_is_weighted_ketama(ptr)) {
+ for (uint32_t x = 0; x < pointer_per_hash; x++) {
+ uint32_t value = ketama_server_hash(sort_host, (size_t) sort_host_length, x);
+ ptr->ketama.continuum[continuum_index].index = host_index;
+ ptr->ketama.continuum[continuum_index++].value = value;
}
- }
- else
- {
- uint32_t value= hashkit_digest(&ptr->hashkit, sort_host, (size_t)sort_host_length);
- ptr->ketama.continuum[continuum_index].index= host_index;
- ptr->ketama.continuum[continuum_index++].value= value;
+ } else {
+ uint32_t value = hashkit_digest(&ptr->hashkit, sort_host, (size_t) sort_host_length);
+ ptr->ketama.continuum[continuum_index].index = host_index;
+ ptr->ketama.continuum[continuum_index++].value = value;
}
}
- }
- else
- {
- for (uint32_t pointer_index= 1;
- pointer_index <= pointer_per_server / pointer_per_hash;
+ } else {
+ for (uint32_t pointer_index = 1; pointer_index <= pointer_per_server / pointer_per_hash;
pointer_index++)
{
- char sort_host[MEMCACHED_NI_MAXHOST +1 +MEMCACHED_NI_MAXSERV +1 +MEMCACHED_NI_MAXSERV]= "";
+ char sort_host[MEMCACHED_NI_MAXHOST + 1 + MEMCACHED_NI_MAXSERV + 1 + MEMCACHED_NI_MAXSERV] =
+ "";
int sort_host_length;
- if (list[host_index].port() == MEMCACHED_DEFAULT_PORT)
- {
- sort_host_length= snprintf(sort_host, sizeof(sort_host),
- "%s-%u",
- list[host_index]._hostname,
- pointer_index - 1);
- }
- else
- {
- sort_host_length= snprintf(sort_host, sizeof(sort_host),
- "%s:%u-%u",
- list[host_index]._hostname,
- (uint32_t)list[host_index].port(),
- pointer_index - 1);
+ if (list[host_index].port() == MEMCACHED_DEFAULT_PORT) {
+ sort_host_length = snprintf(sort_host, sizeof(sort_host), "%s-%u",
+ list[host_index]._hostname, pointer_index - 1);
+ } else {
+ sort_host_length =
+ snprintf(sort_host, sizeof(sort_host), "%s:%u-%u", list[host_index]._hostname,
+ (uint32_t) list[host_index].port(), pointer_index - 1);
}
- if (size_t(sort_host_length) >= sizeof(sort_host) or sort_host_length < 0)
- {
+ if (size_t(sort_host_length) >= sizeof(sort_host) or sort_host_length < 0) {
return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
memcached_literal_param("snprintf(sizeof(sort_host)))"));
}
- if (memcached_is_weighted_ketama(ptr))
- {
- for (uint32_t x = 0; x < pointer_per_hash; x++)
- {
- uint32_t value= ketama_server_hash(sort_host, (size_t)sort_host_length, x);
- ptr->ketama.continuum[continuum_index].index= host_index;
- ptr->ketama.continuum[continuum_index++].value= value;
+ if (memcached_is_weighted_ketama(ptr)) {
+ for (uint32_t x = 0; x < pointer_per_hash; x++) {
+ uint32_t value = ketama_server_hash(sort_host, (size_t) sort_host_length, x);
+ ptr->ketama.continuum[continuum_index].index = host_index;
+ ptr->ketama.continuum[continuum_index++].value = value;
}
- }
- else
- {
- uint32_t value= hashkit_digest(&ptr->hashkit, sort_host, (size_t)sort_host_length);
- ptr->ketama.continuum[continuum_index].index= host_index;
- ptr->ketama.continuum[continuum_index++].value= value;
+ } else {
+ uint32_t value = hashkit_digest(&ptr->hashkit, sort_host, (size_t) sort_host_length);
+ ptr->ketama.continuum[continuum_index].index = host_index;
+ ptr->ketama.continuum[continuum_index++].value = value;
}
}
}
- pointer_counter+= pointer_per_server;
+ pointer_counter += pointer_per_server;
}
assert_msg(ptr, "Programmer Error, no valid ptr");
assert_msg(ptr->ketama.continuum, "Programmer Error, empty ketama continuum");
- assert_msg(memcached_server_count(ptr) * MEMCACHED_POINTS_PER_SERVER <= MEMCACHED_CONTINUUM_SIZE, "invalid size information being given to qsort()");
- ptr->ketama.continuum_points_counter= pointer_counter;
- qsort(ptr->ketama.continuum, ptr->ketama.continuum_points_counter, sizeof(memcached_continuum_item_st), continuum_item_cmp);
-
- if (DEBUG)
- {
- for (uint32_t pointer_index= 0; memcached_server_count(ptr) && pointer_index < ((live_servers * MEMCACHED_POINTS_PER_SERVER) - 1); pointer_index++)
+ assert_msg(memcached_server_count(ptr) * MEMCACHED_POINTS_PER_SERVER <= MEMCACHED_CONTINUUM_SIZE,
+ "invalid size information being given to qsort()");
+ ptr->ketama.continuum_points_counter = pointer_counter;
+ qsort(ptr->ketama.continuum, ptr->ketama.continuum_points_counter,
+ sizeof(memcached_continuum_item_st), continuum_item_cmp);
+
+ if (DEBUG) {
+ for (uint32_t pointer_index = 0; memcached_server_count(ptr)
+ && pointer_index < ((live_servers * MEMCACHED_POINTS_PER_SERVER) - 1);
+ pointer_index++)
{
- WATCHPOINT_ASSERT(ptr->ketama.continuum[pointer_index].value <= ptr->ketama.continuum[pointer_index + 1].value);
+ WATCHPOINT_ASSERT(ptr->ketama.continuum[pointer_index].value
+ <= ptr->ketama.continuum[pointer_index + 1].value);
}
}
return MEMCACHED_SUCCESS;
}
-static memcached_return_t server_add(Memcached *memc,
- const memcached_string_t& hostname,
- in_port_t port,
- uint32_t weight,
- memcached_connection_t type)
-{
+static memcached_return_t server_add(Memcached *memc, const memcached_string_t &hostname,
+ in_port_t port, uint32_t weight, memcached_connection_t type) {
assert_msg(memc, "Programmer mistake, somehow server_add() was passed a NULL memcached_st");
- if (memc->number_of_hosts)
- {
+ if (memc->number_of_hosts) {
assert(memcached_instance_list(memc));
}
- if (memcached_instance_list(memc))
- {
+ if (memcached_instance_list(memc)) {
assert(memc->number_of_hosts);
}
- uint32_t host_list_size= memc->number_of_hosts +1;
- memcached_instance_st* new_host_list= libmemcached_xrealloc(memc, memcached_instance_list(memc), host_list_size, memcached_instance_st);
+ uint32_t host_list_size = memc->number_of_hosts + 1;
+ memcached_instance_st *new_host_list = libmemcached_xrealloc(
+ memc, memcached_instance_list(memc), host_list_size, memcached_instance_st);
- if (new_host_list == NULL)
- {
+ if (new_host_list == NULL) {
return memcached_set_error(*memc, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
}
assert(memc->number_of_hosts == host_list_size);
/* TODO: Check return type */
- memcached_instance_st* instance= memcached_instance_fetch(memc, memcached_server_count(memc) -1);
+ memcached_instance_st *instance =
+ memcached_instance_fetch(memc, memcached_server_count(memc) - 1);
- if (__instance_create_with(memc, instance, hostname, port, weight, type) == NULL)
- {
+ if (instance_create_with(memc, instance, hostname, port, weight, type) == NULL) {
return memcached_set_error(*memc, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
}
- if (weight > 1)
- {
- if (memcached_is_consistent_distribution(memc))
- {
+ if (weight > 1) {
+ if (memcached_is_consistent_distribution(memc)) {
memcached_set_weighted_ketama(memc, true);
}
}
return run_distribution(memc);
}
-
-memcached_return_t memcached_server_push(memcached_st *shell, const memcached_server_list_st list)
-{
- if (list == NULL)
- {
+memcached_return_t memcached_server_push(memcached_st *shell, const memcached_server_list_st list) {
+ if (list == NULL) {
return MEMCACHED_SUCCESS;
}
- Memcached* ptr= memcached2Memcached(shell);
- if (ptr)
- {
- uint32_t original_host_size= memcached_server_count(ptr);
- uint32_t count= memcached_server_list_count(list);
- uint32_t host_list_size= count +original_host_size;
+ Memcached *ptr = memcached2Memcached(shell);
+ if (ptr) {
+ uint32_t original_host_size = memcached_server_count(ptr);
+ uint32_t count = memcached_server_list_count(list);
+ uint32_t host_list_size = count + original_host_size;
- memcached_instance_st* new_host_list= libmemcached_xrealloc(ptr, memcached_instance_list(ptr), host_list_size, memcached_instance_st);
+ memcached_instance_st *new_host_list = libmemcached_xrealloc(
+ ptr, memcached_instance_list(ptr), host_list_size, memcached_instance_st);
- if (new_host_list == NULL)
- {
+ if (new_host_list == NULL) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
memcached_instance_set(ptr, new_host_list, host_list_size);
- ptr->state.is_parsing= true;
- for (uint32_t x= 0; x < count; ++x, ++original_host_size)
- {
- WATCHPOINT_ASSERT(list[x].hostname[0] != 0);
+ ptr->state.is_parsing = true;
+ for (uint32_t x = 0; x < count; ++x, ++original_host_size) {
+ WATCHPOINT_ASSERT(list[x].hostname[0]);
// We have extended the array, and now we will find it, and use it.
- memcached_instance_st* instance= memcached_instance_fetch(ptr, original_host_size);
+ memcached_instance_st *instance = memcached_instance_fetch(ptr, original_host_size);
WATCHPOINT_ASSERT(instance);
- memcached_string_t hostname= { memcached_string_make_from_cstr(list[x].hostname) };
- if (__instance_create_with(ptr, instance,
- hostname,
- list[x].port, list[x].weight, list[x].type) == NULL)
+ memcached_string_t hostname = {memcached_string_make_from_cstr(list[x].hostname)};
+ if (instance_create_with(ptr, instance, hostname, list[x].port, list[x].weight, list[x].type)
+ == NULL)
{
- ptr->state.is_parsing= false;
+ ptr->state.is_parsing = false;
return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
}
- if (list[x].weight > 1)
- {
+ if (list[x].weight > 1) {
memcached_set_weighted_ketama(ptr, true);
}
}
- ptr->state.is_parsing= false;
+ ptr->state.is_parsing = false;
return run_distribution(ptr);
}
return MEMCACHED_INVALID_ARGUMENTS;
}
-memcached_return_t memcached_instance_push(memcached_st *ptr, const struct memcached_instance_st* list, uint32_t number_of_hosts)
-{
- if (list == NULL)
- {
+memcached_return_t memcached_instance_push(memcached_st *ptr,
+ const struct memcached_instance_st *list,
+ uint32_t number_of_hosts) {
+ if (list == NULL) {
return MEMCACHED_SUCCESS;
}
- uint32_t original_host_size= memcached_server_count(ptr);
- uint32_t host_list_size= number_of_hosts +original_host_size;
- memcached_instance_st* new_host_list= libmemcached_xrealloc(ptr, memcached_instance_list(ptr), host_list_size, memcached_instance_st);
+ uint32_t original_host_size = memcached_server_count(ptr);
+ uint32_t host_list_size = number_of_hosts + original_host_size;
+ memcached_instance_st *new_host_list = libmemcached_xrealloc(
+ ptr, memcached_instance_list(ptr), host_list_size, memcached_instance_st);
- if (new_host_list == NULL)
- {
+ if (new_host_list == NULL) {
return MEMCACHED_MEMORY_ALLOCATION_FAILURE;
}
memcached_instance_set(ptr, new_host_list, host_list_size);
// We don't bother with lookups for this operation
- ptr->state.is_parsing= true;
+ ptr->state.is_parsing = true;
// We use original_host_size since size will now point to the first new
// instance allocated.
- for (uint32_t x= 0; x < number_of_hosts; ++x, ++original_host_size)
- {
- WATCHPOINT_ASSERT(list[x]._hostname[0] != 0);
+ for (uint32_t x = 0; x < number_of_hosts; ++x, ++original_host_size) {
+ WATCHPOINT_ASSERT(list[x]._hostname[0]);
// We have extended the array, and now we will find it, and use it.
- memcached_instance_st* instance= memcached_instance_fetch(ptr, original_host_size);
+ memcached_instance_st *instance = memcached_instance_fetch(ptr, original_host_size);
WATCHPOINT_ASSERT(instance);
- memcached_string_t hostname= { memcached_string_make_from_cstr(list[x]._hostname) };
- if (__instance_create_with(ptr, instance,
- hostname,
- list[x].port(), list[x].weight, list[x].type) == NULL)
+ memcached_string_t hostname = {memcached_string_make_from_cstr(list[x]._hostname)};
+ if (instance_create_with(ptr, instance, hostname, list[x].port(), list[x].weight, list[x].type)
+ == NULL)
{
- ptr->state.is_parsing= false;
+ ptr->state.is_parsing = false;
return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
}
- if (list[x].weight > 1)
- {
+ if (list[x].weight > 1) {
memcached_set_weighted_ketama(ptr, true);
}
}
- ptr->state.is_parsing= false;
+ ptr->state.is_parsing = false;
return run_distribution(ptr);
}
-memcached_return_t memcached_server_add_unix_socket(memcached_st *ptr,
- const char *filename)
-{
+memcached_return_t memcached_server_add_unix_socket(memcached_st *ptr, const char *filename) {
return memcached_server_add_unix_socket_with_weight(ptr, filename, 0);
}
memcached_return_t memcached_server_add_unix_socket_with_weight(memcached_st *shell,
const char *filename,
- uint32_t weight)
-{
- Memcached* ptr= memcached2Memcached(shell);
- if (ptr)
- {
- memcached_string_t _filename= { memcached_string_make_from_cstr(filename) };
- if (memcached_is_valid_filename(_filename) == false)
- {
- return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid filename for socket provided"));
+ uint32_t weight) {
+ Memcached *ptr = memcached2Memcached(shell);
+ if (ptr) {
+ memcached_string_t _filename = {memcached_string_make_from_cstr(filename)};
+ if (memcached_is_valid_filename(_filename) == false) {
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid filename for socket provided"));
}
return server_add(ptr, _filename, 0, weight, MEMCACHED_CONNECTION_UNIX_SOCKET);
return MEMCACHED_FAILURE;
}
-memcached_return_t memcached_server_add_udp(memcached_st *ptr,
- const char *hostname,
- in_port_t port)
-{
+memcached_return_t memcached_server_add_udp(memcached_st *ptr, const char *hostname,
+ in_port_t port) {
return memcached_server_add_udp_with_weight(ptr, hostname, port, 0);
}
-memcached_return_t memcached_server_add_udp_with_weight(memcached_st *shell,
- const char *,
- in_port_t,
- uint32_t)
-{
- Memcached* self= memcached2Memcached(shell);
- if (self)
- {
+memcached_return_t memcached_server_add_udp_with_weight(memcached_st *shell, const char *,
+ in_port_t, uint32_t) {
+ Memcached *self = memcached2Memcached(shell);
+ if (self) {
return memcached_set_error(*self, MEMCACHED_DEPRECATED, MEMCACHED_AT);
}
return MEMCACHED_INVALID_ARGUMENTS;
}
-memcached_return_t memcached_server_add(memcached_st *shell,
- const char *hostname,
- in_port_t port)
-{
+memcached_return_t memcached_server_add(memcached_st *shell, const char *hostname, in_port_t port) {
return memcached_server_add_with_weight(shell, hostname, port, 0);
}
-memcached_return_t memcached_server_add_with_weight(memcached_st *shell,
- const char *hostname,
- in_port_t port,
- uint32_t weight)
-{
- Memcached* ptr= memcached2Memcached(shell);
- if (ptr == NULL)
- {
+memcached_return_t memcached_server_add_with_weight(memcached_st *shell, const char *hostname,
+ in_port_t port, uint32_t weight) {
+ Memcached *ptr = memcached2Memcached(shell);
+ if (ptr == NULL) {
return MEMCACHED_INVALID_ARGUMENTS;
}
- if (port == 0)
- {
- port= MEMCACHED_DEFAULT_PORT;
+ if (port == 0) {
+ port = MEMCACHED_DEFAULT_PORT;
}
- size_t hostname_length= hostname ? strlen(hostname) : 0;
- if (hostname_length == 0)
- {
- hostname= "localhost";
- hostname_length= memcached_literal_param_size("localhost");
+ size_t hostname_length = hostname ? strlen(hostname) : 0;
+ if (hostname_length == 0) {
+ hostname = "localhost";
+ hostname_length = memcached_literal_param_size("localhost");
}
- memcached_string_t _hostname= { hostname, hostname_length };
+ memcached_string_t _hostname = {hostname, hostname_length};
- if (memcached_is_valid_servername(_hostname) == false)
- {
- return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid hostname provided"));
+ if (memcached_is_valid_servername(_hostname) == false) {
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid hostname provided"));
}
- return server_add(ptr, _hostname, port, weight, _hostname.c_str[0] == '/' ? MEMCACHED_CONNECTION_UNIX_SOCKET : MEMCACHED_CONNECTION_TCP);
+ return server_add(ptr, _hostname, port, weight,
+ _hostname.c_str[0] == '/' ? MEMCACHED_CONNECTION_UNIX_SOCKET
+ : MEMCACHED_CONNECTION_TCP);
}
-memcached_return_t memcached_server_add_parsed(memcached_st *ptr,
- const char *hostname,
- size_t hostname_length,
- in_port_t port,
- uint32_t weight)
-{
- char buffer[MEMCACHED_NI_MAXHOST]= { 0 };
+memcached_return_t memcached_server_add_parsed(memcached_st *ptr, const char *hostname,
+ size_t hostname_length, in_port_t port,
+ uint32_t weight) {
+ char buffer[MEMCACHED_NI_MAXHOST] = {0};
memcpy(buffer, hostname, hostname_length);
- buffer[hostname_length]= 0;
+ buffer[hostname_length] = 0;
- memcached_string_t _hostname= { buffer, hostname_length };
+ memcached_string_t _hostname = {buffer, hostname_length};
- return server_add(ptr, _hostname,
- port,
- weight,
- MEMCACHED_CONNECTION_TCP);
+ return server_add(ptr, _hostname, port, weight, MEMCACHED_CONNECTION_TCP);
}
projects / m6w6 / libmemcached / blobdiff