src/libmemcached: apply clang-format
[m6w6/libmemcached] / src / libmemcached / auto.cc
index 1d829f681cad27c377e7cde7e8b556076c7e892d..3ae163f65a6b100e552cd9dcca48d5f8271350ff 100644 (file)
-/*  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.
- *
- */
+/*
+    +--------------------------------------------------------------------+
+    | 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"
 
-static void auto_response(memcached_instance_st* instance, const bool reply,  memcached_return_t& rc, uint64_t* value)
-{
+static void auto_response(memcached_instance_st *instance, const bool reply, memcached_return_t &rc,
+                          uint64_t *value) {
   // If the message was successfully sent, then get the response, otherwise
   // fail.
-  if (memcached_success(rc))
-  {
-    if (reply == false)
-    {
-      *value= UINT64_MAX;
+  if (memcached_success(rc)) {
+    if (reply == false) {
+      *value = UINT64_MAX;
       return;
     }
 
-    rc= memcached_response(instance, &instance->root->result);
+    rc = memcached_response(instance, &instance->root->result);
   }
 
-  if (memcached_fatal(rc))
-  {
+  if (memcached_fatal(rc)) {
     assert(memcached_last_error(instance->root) != MEMCACHED_SUCCESS);
-    *value= UINT64_MAX;
-  }
-  else if (memcached_failed(rc))
-  {
-    *value= UINT64_MAX;
-  }
-  else
-  {
+    *value = UINT64_MAX;
+  } else if (memcached_failed(rc)) {
+    *value = UINT64_MAX;
+  } else {
     assert(memcached_last_error(instance->root) != MEMCACHED_NOTFOUND);
-    *value= instance->root->result.numeric_value;
+    *value = instance->root->result.numeric_value;
   }
 }
 
-static memcached_return_t text_incr_decr(memcached_instance_st* instance,
-                                         const bool is_incr,
-                                         const char *key, size_t key_length,
-                                         const uint64_t offset,
-                                         const bool reply)
-{
+static memcached_return_t text_incr_decr(memcached_instance_st *instance, const bool is_incr,
+                                         const char *key, size_t key_length, const uint64_t offset,
+                                         const bool reply) {
   char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
 
-  int send_length= snprintf(buffer, sizeof(buffer), " %" PRIu64, offset);
-  if (size_t(send_length) >= sizeof(buffer) or send_length < 0)
-  {
-    return memcached_set_error(*instance, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT, 
+  int send_length = snprintf(buffer, sizeof(buffer), " %" PRIu64, offset);
+  if (size_t(send_length) >= sizeof(buffer) or send_length < 0) {
+    return memcached_set_error(*instance, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
                                memcached_literal_param("snprintf(MEMCACHED_DEFAULT_COMMAND_SIZE)"));
   }
 
-  libmemcached_io_vector_st vector[]=
-  {
-    { NULL, 0 },
-    { memcached_literal_param("incr ") },
-    { memcached_array_string(instance->root->_namespace), memcached_array_size(instance->root->_namespace) },
-    { key, key_length },
-    { buffer, size_t(send_length) },
-    { " noreply", reply ? 0 : memcached_literal_param_size(" noreply") },
-    { memcached_literal_param("\r\n") }
-  };
-
-  if (is_incr == false)
-  {
-    vector[1].buffer= "decr ";
+  libmemcached_io_vector_st vector[] = {
+      {NULL, 0},
+      {memcached_literal_param("incr ")},
+      {memcached_array_string(instance->root->_namespace),
+       memcached_array_size(instance->root->_namespace)},
+      {key, key_length},
+      {buffer, size_t(send_length)},
+      {" noreply", reply ? 0 : memcached_literal_param_size(" noreply")},
+      {memcached_literal_param("\r\n")}};
+
+  if (is_incr == false) {
+    vector[1].buffer = "decr ";
   }
 
   return memcached_vdo(instance, vector, 7, true);
 }
 
-static memcached_return_t binary_incr_decr(memcached_instance_st* instance,
-                                           protocol_binary_command cmd,
-                                           const char *key, const size_t key_length,
-                                           const uint64_t offset,
-                                           const uint64_t initial,
-                                           const uint32_t expiration,
-                                           const bool reply)
-{
-  if (reply == false)
-  {
-    if(cmd == PROTOCOL_BINARY_CMD_DECREMENT)
-    {
-      cmd= PROTOCOL_BINARY_CMD_DECREMENTQ;
+static memcached_return_t binary_incr_decr(memcached_instance_st *instance,
+                                           protocol_binary_command cmd, const char *key,
+                                           const size_t key_length, const uint64_t offset,
+                                           const uint64_t initial, const uint32_t expiration,
+                                           const bool reply) {
+  if (reply == false) {
+    if (cmd == PROTOCOL_BINARY_CMD_DECREMENT) {
+      cmd = PROTOCOL_BINARY_CMD_DECREMENTQ;
     }
 
-    if(cmd == PROTOCOL_BINARY_CMD_INCREMENT)
-    {
-      cmd= PROTOCOL_BINARY_CMD_INCREMENTQ;
+    if (cmd == PROTOCOL_BINARY_CMD_INCREMENT) {
+      cmd = PROTOCOL_BINARY_CMD_INCREMENTQ;
     }
   }
-  protocol_binary_request_incr request= {}; // = {.bytes= {0}};
+  protocol_binary_request_incr request = {}; // = {.bytes= {0}};
 
   initialize_binary_request(instance, request.message.header);
 
-  request.message.header.request.opcode= cmd;
-  request.message.header.request.keylen= htons((uint16_t)(key_length + memcached_array_size(instance->root->_namespace)));
-  request.message.header.request.extlen= 20;
-  request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
-  request.message.header.request.bodylen= htonl((uint32_t)(key_length + memcached_array_size(instance->root->_namespace) +request.message.header.request.extlen));
-  request.message.body.delta= memcached_htonll(offset);
-  request.message.body.initial= memcached_htonll(initial);
-  request.message.body.expiration= htonl((uint32_t) expiration);
-
-  libmemcached_io_vector_st vector[]=
-  {
-    { NULL, 0 },
-    { request.bytes, sizeof(request.bytes) },
-    { memcached_array_string(instance->root->_namespace), memcached_array_size(instance->root->_namespace) },
-    { key, key_length }
-  };
+  request.message.header.request.opcode = cmd;
+  request.message.header.request.keylen =
+      htons((uint16_t)(key_length + memcached_array_size(instance->root->_namespace)));
+  request.message.header.request.extlen = 20;
+  request.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
+  request.message.header.request.bodylen =
+      htonl((uint32_t)(key_length + memcached_array_size(instance->root->_namespace)
+                       + request.message.header.request.extlen));
+  request.message.body.delta = memcached_htonll(offset);
+  request.message.body.initial = memcached_htonll(initial);
+  request.message.body.expiration = htonl((uint32_t) expiration);
+
+  libmemcached_io_vector_st vector[] = {{NULL, 0},
+                                        {request.bytes, sizeof(request.bytes)},
+                                        {memcached_array_string(instance->root->_namespace),
+                                         memcached_array_size(instance->root->_namespace)},
+                                        {key, key_length}};
 
   return memcached_vdo(instance, vector, 4, true);
 }
 
-memcached_return_t memcached_increment(memcached_st *memc,
-                                       const char *key, size_t key_length,
-                                       uint32_t offset,
-                                       uint64_t *value)
-{
+memcached_return_t memcached_increment(memcached_st *memc, const char *key, size_t key_length,
+                                       uint32_t offset, uint64_t *value) {
   return memcached_increment_by_key(memc, key, key_length, key, key_length, offset, value);
 }
 
 static memcached_return_t increment_decrement_by_key(const protocol_binary_command command,
-                                                     Memcached *memc,
-                                                     const char *group_key, size_t group_key_length,
-                                                     const char *key, size_t key_length,
-                                                     uint64_t offset,
-                                                     uint64_t *value)
-{
+                                                     Memcached *memc, const char *group_key,
+                                                     size_t group_key_length, const char *key,
+                                                     size_t key_length, uint64_t offset,
+                                                     uint64_t *value) {
   uint64_t local_value;
-  if (value == NULL)
-  {
-    value= &local_value;
+  if (value == NULL) {
+    value = &local_value;
   }
 
   memcached_return_t rc;
-  if (memcached_failed(rc= initialize_query(memc, true)))
-  {
+  if (memcached_failed(rc = initialize_query(memc, true))) {
     return rc;
   }
 
-  if (memcached_is_encrypted(memc))
-  {
-    return memcached_set_error(*memc, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT, 
-                               memcached_literal_param("Operation not allowed while encyrption is enabled"));
+  if (memcached_is_encrypted(memc)) {
+    return memcached_set_error(
+        *memc, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT,
+        memcached_literal_param("Operation not allowed while encyrption is enabled"));
   }
 
-  if (memcached_failed(rc= memcached_key_test(*memc, (const char **)&key, &key_length, 1)))
-  {
+  if (memcached_failed(rc = memcached_key_test(*memc, (const char **) &key, &key_length, 1))) {
     return memcached_last_error(memc);
   }
 
-  uint32_t server_key= memcached_generate_hash_with_redistribution(memc, group_key, group_key_length);
-  memcached_instance_st* instance= memcached_instance_fetch(memc, server_key);
+  uint32_t server_key =
+      memcached_generate_hash_with_redistribution(memc, group_key, group_key_length);
+  memcached_instance_st *instance = memcached_instance_fetch(memc, server_key);
 
-  bool reply= memcached_is_replying(instance->root);
+  bool reply = memcached_is_replying(instance->root);
 
-  if (memcached_is_binary(memc))
-  {
-    rc= binary_incr_decr(instance, command,
-                         key, key_length,
-                         uint64_t(offset), 0, MEMCACHED_EXPIRATION_NOT_ADD,
-                         reply);
-  }
-  else
-  {
-    rc= text_incr_decr(instance,
-                       command == PROTOCOL_BINARY_CMD_INCREMENT ? true : false,
-                       key, key_length,
-                       offset, reply);
+  if (memcached_is_binary(memc)) {
+    rc = binary_incr_decr(instance, command, key, key_length, uint64_t(offset), 0,
+                          MEMCACHED_EXPIRATION_NOT_ADD, reply);
+  } else {
+    rc = text_incr_decr(instance, command == PROTOCOL_BINARY_CMD_INCREMENT ? true : false, key,
+                        key_length, offset, reply);
   }
 
   auto_response(instance, reply, rc, value);
@@ -209,57 +155,46 @@ static memcached_return_t increment_decrement_by_key(const protocol_binary_comma
   return rc;
 }
 
-static memcached_return_t increment_decrement_with_initial_by_key(const protocol_binary_command command,
-                                                                  Memcached *memc,
-                                                                  const char *group_key,
-                                                                  size_t group_key_length,
-                                                                  const char *key,
-                                                                  size_t key_length,
-                                                                  uint64_t offset,
-                                                                  uint64_t initial,
-                                                                  time_t expiration,
-                                                                  uint64_t *value)
-{
+static memcached_return_t
+increment_decrement_with_initial_by_key(const protocol_binary_command command, Memcached *memc,
+                                        const char *group_key, size_t group_key_length,
+                                        const char *key, size_t key_length, uint64_t offset,
+                                        uint64_t initial, time_t expiration, uint64_t *value) {
   uint64_t local_value;
-  if (value == NULL)
-  {
-    value= &local_value;
+  if (value == NULL) {
+    value = &local_value;
   }
 
   memcached_return_t rc;
-  if (memcached_failed(rc= initialize_query(memc, true)))
-  {
+  if (memcached_failed(rc = initialize_query(memc, true))) {
     return rc;
   }
 
-  if (memcached_is_encrypted(memc))
-  {
-    return memcached_set_error(*memc, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT, 
-                               memcached_literal_param("Operation not allowed while encryption is enabled"));
+  if (memcached_is_encrypted(memc)) {
+    return memcached_set_error(
+        *memc, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT,
+        memcached_literal_param("Operation not allowed while encryption is enabled"));
   }
 
-  if (memcached_failed(rc= memcached_key_test(*memc, (const char **)&key, &key_length, 1)))
-  {
+  if (memcached_failed(rc = memcached_key_test(*memc, (const char **) &key, &key_length, 1))) {
     return memcached_last_error(memc);
   }
 
-  uint32_t server_key= memcached_generate_hash_with_redistribution(memc, group_key, group_key_length);
-  memcached_instance_st* instance= memcached_instance_fetch(memc, server_key);
+  uint32_t server_key =
+      memcached_generate_hash_with_redistribution(memc, group_key, group_key_length);
+  memcached_instance_st *instance = memcached_instance_fetch(memc, server_key);
 
-  bool reply= memcached_is_replying(instance->root);
+  bool reply = memcached_is_replying(instance->root);
 
-  if (memcached_is_binary(memc))
-  {
-    rc= binary_incr_decr(instance, command,
-                         key, key_length,
-                         offset, initial, uint32_t(expiration),
-                         reply);
-        
-  }
-  else
-  {
-    rc=  memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
-                             memcached_literal_param("memcached_increment_with_initial_by_key() is not supported via the ASCII protocol"));
+  if (memcached_is_binary(memc)) {
+    rc = binary_incr_decr(instance, command, key, key_length, offset, initial, uint32_t(expiration),
+                          reply);
+
+  } else {
+    rc = memcached_set_error(
+        *memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+        memcached_literal_param(
+            "memcached_increment_with_initial_by_key() is not supported via the ASCII protocol"));
   }
 
   auto_response(instance, reply, rc, value);
@@ -267,117 +202,75 @@ static memcached_return_t increment_decrement_with_initial_by_key(const protocol
   return rc;
 }
 
-memcached_return_t memcached_decrement(memcached_st *memc,
-                                       const char *key, size_t key_length,
-                                       uint32_t offset,
-                                       uint64_t *value)
-{
+memcached_return_t memcached_decrement(memcached_st *memc, const char *key, size_t key_length,
+                                       uint32_t offset, uint64_t *value) {
   return memcached_decrement_by_key(memc, key, key_length, key, key_length, offset, value);
 }
 
-
-memcached_return_t memcached_increment_by_key(memcached_st *shell,
-                                              const char *group_key, size_t group_key_length,
-                                              const char *key, size_t key_length,
-                                              uint64_t offset,
-                                              uint64_t *value)
-{
-  Memcached* memc= memcached2Memcached(shell);
+memcached_return_t memcached_increment_by_key(memcached_st *shell, const char *group_key,
+                                              size_t group_key_length, const char *key,
+                                              size_t key_length, uint64_t offset, uint64_t *value) {
+  Memcached *memc = memcached2Memcached(shell);
   LIBMEMCACHED_MEMCACHED_INCREMENT_START();
-  memcached_return_t rc= increment_decrement_by_key(PROTOCOL_BINARY_CMD_INCREMENT,
-                                                    memc,
-                                                    group_key, group_key_length,
-                                                    key, key_length,
-                                                    offset, value);
+  memcached_return_t rc =
+      increment_decrement_by_key(PROTOCOL_BINARY_CMD_INCREMENT, memc, group_key, group_key_length,
+                                 key, key_length, offset, value);
 
   LIBMEMCACHED_MEMCACHED_INCREMENT_END();
 
   return rc;
 }
 
-memcached_return_t memcached_decrement_by_key(memcached_st *shell,
-                                              const char *group_key, size_t group_key_length,
-                                              const char *key, size_t key_length,
-                                              uint64_t offset,
-                                              uint64_t *value)
-{
-  Memcached* memc= memcached2Memcached(shell);
+memcached_return_t memcached_decrement_by_key(memcached_st *shell, const char *group_key,
+                                              size_t group_key_length, const char *key,
+                                              size_t key_length, uint64_t offset, uint64_t *value) {
+  Memcached *memc = memcached2Memcached(shell);
   LIBMEMCACHED_MEMCACHED_DECREMENT_START();
-  memcached_return_t rc= increment_decrement_by_key(PROTOCOL_BINARY_CMD_DECREMENT,
-                                                    memc,
-                                                    group_key, group_key_length,
-                                                    key, key_length,
-                                                    offset, value);
+  memcached_return_t rc =
+      increment_decrement_by_key(PROTOCOL_BINARY_CMD_DECREMENT, memc, group_key, group_key_length,
+                                 key, key_length, offset, value);
   LIBMEMCACHED_MEMCACHED_DECREMENT_END();
 
   return rc;
 }
 
-memcached_return_t memcached_increment_with_initial(memcached_st *memc,
-                                                    const char *key,
-                                                    size_t key_length,
-                                                    uint64_t offset,
-                                                    uint64_t initial,
-                                                    time_t expiration,
-                                                    uint64_t *value)
-{
-  return memcached_increment_with_initial_by_key(memc, key, key_length,
-                                                 key, key_length,
-                                                 offset, initial, expiration, value);
+memcached_return_t memcached_increment_with_initial(memcached_st *memc, const char *key,
+                                                    size_t key_length, uint64_t offset,
+                                                    uint64_t initial, time_t expiration,
+                                                    uint64_t *value) {
+  return memcached_increment_with_initial_by_key(memc, key, key_length, key, key_length, offset,
+                                                 initial, expiration, value);
 }
 
-memcached_return_t memcached_increment_with_initial_by_key(memcached_st *shell,
-                                                           const char *group_key,
-                                                           size_t group_key_length,
-                                                           const char *key,
-                                                           size_t key_length,
-                                                           uint64_t offset,
-                                                           uint64_t initial,
-                                                           time_t expiration,
-                                                           uint64_t *value)
-{
+memcached_return_t memcached_increment_with_initial_by_key(
+    memcached_st *shell, const char *group_key, size_t group_key_length, const char *key,
+    size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value) {
   LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
-  Memcached* memc= memcached2Memcached(shell);
-  memcached_return_t rc= increment_decrement_with_initial_by_key(PROTOCOL_BINARY_CMD_INCREMENT, 
-                                                                 memc,
-                                                                 group_key, group_key_length,
-                                                                 key, key_length,
-                                                                 offset, initial, expiration, value);
+  Memcached *memc = memcached2Memcached(shell);
+  memcached_return_t rc = increment_decrement_with_initial_by_key(
+      PROTOCOL_BINARY_CMD_INCREMENT, memc, group_key, group_key_length, key, key_length, offset,
+      initial, expiration, value);
   LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
 
   return rc;
 }
 
-memcached_return_t memcached_decrement_with_initial(memcached_st *memc,
-                                                    const char *key,
-                                                    size_t key_length,
-                                                    uint64_t offset,
-                                                    uint64_t initial,
-                                                    time_t expiration,
-                                                    uint64_t *value)
-{
-  return memcached_decrement_with_initial_by_key(memc, key, key_length,
-                                                 key, key_length,
-                                                 offset, initial, expiration, value);
+memcached_return_t memcached_decrement_with_initial(memcached_st *memc, const char *key,
+                                                    size_t key_length, uint64_t offset,
+                                                    uint64_t initial, time_t expiration,
+                                                    uint64_t *value) {
+  return memcached_decrement_with_initial_by_key(memc, key, key_length, key, key_length, offset,
+                                                 initial, expiration, value);
 }
 
-memcached_return_t memcached_decrement_with_initial_by_key(memcached_st *shell,
-                                                           const char *group_key,
-                                                           size_t group_key_length,
-                                                           const char *key,
-                                                           size_t key_length,
-                                                           uint64_t offset,
-                                                           uint64_t initial,
-                                                           time_t expiration,
-                                                           uint64_t *value)
-{
+memcached_return_t memcached_decrement_with_initial_by_key(
+    memcached_st *shell, const char *group_key, size_t group_key_length, const char *key,
+    size_t key_length, uint64_t offset, uint64_t initial, time_t expiration, uint64_t *value) {
   LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
-  Memcached* memc= memcached2Memcached(shell);
-  memcached_return_t rc= increment_decrement_with_initial_by_key(PROTOCOL_BINARY_CMD_DECREMENT, 
-                                                                 memc,
-                                                                 group_key, group_key_length,
-                                                                 key, key_length,
-                                                                 offset, initial, expiration, value);
+  Memcached *memc = memcached2Memcached(shell);
+  memcached_return_t rc = increment_decrement_with_initial_by_key(
+      PROTOCOL_BINARY_CMD_DECREMENT, memc, group_key, group_key_length, key, key_length, offset,
+      initial, expiration, value);
 
   LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();