-/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libmemcached library
- *
- * Copyright (C) 2011-2012 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.
- *
- */
-
-#include <libmemcached/common.h>
-
-char *memcached_fetch(memcached_st *shell, char *key, size_t *key_length,
- size_t *value_length,
- uint32_t *flags,
- memcached_return_t *error)
-{
- Memcached* ptr= memcached2Memcached(shell);
+/*
+ +--------------------------------------------------------------------+
+ | 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"
+
+char *memcached_fetch(memcached_st *shell, char *key, size_t *key_length, size_t *value_length,
+ uint32_t *flags, memcached_return_t *error) {
+ Memcached *ptr = memcached2Memcached(shell);
memcached_return_t unused;
- if (error == NULL)
- {
- error= &unused;
+ if (error == NULL) {
+ error = &unused;
}
- if (memcached_is_udp(ptr))
- {
- if (value_length)
- {
- *value_length= 0;
+ if (memcached_is_udp(ptr)) {
+ if (value_length) {
+ *value_length = 0;
}
- if (key_length)
- {
- *key_length= 0;
+ if (key_length) {
+ *key_length = 0;
}
- if (flags)
- {
- *flags= 0;
+ if (flags) {
+ *flags = 0;
}
- if (key)
- {
- *key= 0;
+ if (key) {
+ *key = 0;
}
- *error= MEMCACHED_NOT_SUPPORTED;
+ *error = MEMCACHED_NOT_SUPPORTED;
return NULL;
}
- memcached_result_st *result_buffer= &ptr->result;
- result_buffer= memcached_fetch_result(ptr, result_buffer, error);
- if (result_buffer == NULL or memcached_failed(*error))
- {
+ memcached_result_st *result_buffer = &ptr->result;
+ result_buffer = memcached_fetch_result(ptr, result_buffer, error);
+ if (result_buffer == NULL or memcached_failed(*error)) {
WATCHPOINT_ASSERT(result_buffer == NULL);
- if (value_length)
- {
- *value_length= 0;
+ if (value_length) {
+ *value_length = 0;
}
- if (key_length)
- {
- *key_length= 0;
+ if (key_length) {
+ *key_length = 0;
}
- if (flags)
- {
- *flags= 0;
+ if (flags) {
+ *flags = 0;
}
- if (key)
- {
- *key= 0;
+ if (key) {
+ *key = 0;
}
return NULL;
}
- if (value_length)
- {
- *value_length= memcached_string_length(&result_buffer->value);
+ if (value_length) {
+ *value_length = memcached_string_length(&result_buffer->value);
}
- if (key)
- {
- if (result_buffer->key_length > MEMCACHED_MAX_KEY)
- {
- *error= MEMCACHED_KEY_TOO_BIG;
- if (value_length)
- {
- *value_length= 0;
+ if (key) {
+ if (result_buffer->key_length > MEMCACHED_MAX_KEY) {
+ *error = MEMCACHED_KEY_TOO_BIG;
+ if (value_length) {
+ *value_length = 0;
}
- if (key_length)
- {
- *key_length= 0;
+ if (key_length) {
+ *key_length = 0;
}
- if (flags)
- {
- *flags= 0;
+ if (flags) {
+ *flags = 0;
}
- if (key)
- {
- *key= 0;
+ if (key) {
+ *key = 0;
}
return NULL;
}
- strncpy(key, result_buffer->item_key, result_buffer->key_length); // For the binary protocol we will cut off the key :(
- if (key_length)
- {
- *key_length= result_buffer->key_length;
+ strncpy(key, result_buffer->item_key,
+ result_buffer->key_length); // For the binary protocol we will cut off the key :(
+ if (key_length) {
+ *key_length = result_buffer->key_length;
}
}
- if (flags)
- {
- *flags= result_buffer->item_flags;
+ if (flags) {
+ *flags = result_buffer->item_flags;
}
return memcached_string_take_value(&result_buffer->value);
}
-memcached_result_st *memcached_fetch_result(memcached_st *ptr,
- memcached_result_st *result,
- memcached_return_t *error)
-{
+memcached_result_st *memcached_fetch_result(memcached_st *ptr, memcached_result_st *result,
+ memcached_return_t *error) {
memcached_return_t unused;
- if (error == NULL)
- {
- error= &unused;
+ if (error == NULL) {
+ error = &unused;
}
- if (ptr == NULL)
- {
- *error= MEMCACHED_INVALID_ARGUMENTS;
+ if (ptr == NULL) {
+ *error = MEMCACHED_INVALID_ARGUMENTS;
return NULL;
}
- if (memcached_is_udp(ptr))
- {
- *error= MEMCACHED_NOT_SUPPORTED;
+ if (memcached_is_udp(ptr)) {
+ *error = MEMCACHED_NOT_SUPPORTED;
return NULL;
}
- if (result == NULL)
- {
+ if (result == NULL) {
// If we have already initialized (ie it is in use) our internal, we
// create one.
- if (memcached_is_initialized(&ptr->result))
- {
- if ((result= memcached_result_create(ptr, NULL)) == NULL)
- {
- *error= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+ if (memcached_is_initialized(&ptr->result)) {
+ if ((result = memcached_result_create(ptr, NULL)) == NULL) {
+ *error = MEMCACHED_MEMORY_ALLOCATION_FAILURE;
return NULL;
}
- }
- else
- {
- result= memcached_result_create(ptr, &ptr->result);
+ } else {
+ result = memcached_result_create(ptr, &ptr->result);
}
}
- *error= MEMCACHED_MAXIMUM_RETURN; // We use this to see if we ever go into the loop
+ *error = MEMCACHED_MAXIMUM_RETURN; // We use this to see if we ever go into the loop
memcached_instance_st *server;
- memcached_return_t read_ret= MEMCACHED_SUCCESS;
- bool connection_failures= false;
- while ((server= memcached_io_get_readable_server(ptr, read_ret)))
- {
+ memcached_return_t read_ret = MEMCACHED_SUCCESS;
+ bool connection_failures = false;
+ bool timeouts = false;
+ while ((server = memcached_io_get_readable_server(ptr, read_ret))) {
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
- *error= memcached_response(server, buffer, sizeof(buffer), result);
+ *error = memcached_response(server, buffer, sizeof(buffer), result);
- if (*error == MEMCACHED_IN_PROGRESS)
- {
+ if (*error == MEMCACHED_IN_PROGRESS) {
continue;
- }
- else if (*error == MEMCACHED_CONNECTION_FAILURE)
- {
- connection_failures= true;
+ } else if (*error == MEMCACHED_CONNECTION_FAILURE) {
+ connection_failures = true;
continue;
- }
- else if (*error == MEMCACHED_SUCCESS)
- {
+ } else if (*error == MEMCACHED_TIMEOUT) {
+ timeouts = true;
+ } else if (*error == MEMCACHED_SUCCESS) {
result->count++;
return result;
- }
- else if (*error == MEMCACHED_END)
- {
+ } else if (*error == MEMCACHED_END) {
memcached_server_response_reset(server);
- }
- else if (*error != MEMCACHED_NOTFOUND)
- {
+ } else if (*error != MEMCACHED_NOTFOUND) {
break;
}
}
- if (*error == MEMCACHED_NOTFOUND and result->count)
- {
- *error= MEMCACHED_END;
- }
- else if (*error == MEMCACHED_MAXIMUM_RETURN and result->count)
- {
- *error= MEMCACHED_END;
- }
- else if (*error == MEMCACHED_MAXIMUM_RETURN) // while() loop was never entered
- {
- *error= MEMCACHED_NOTFOUND;
- }
- else if (connection_failures)
- {
- /*
+ if (*error == MEMCACHED_NOTFOUND and result->count) {
+ *error = MEMCACHED_END;
+ } else if (*error == MEMCACHED_MAXIMUM_RETURN and result->count) {
+ *error = MEMCACHED_END;
+ } else if (*error == MEMCACHED_MAXIMUM_RETURN) {
+ // while() loop was never entered
+ *error = MEMCACHED_NOTFOUND;
+ } else if (connection_failures) {
+ /*
If we have a connection failure to some servers, the caller may
wish to treat that differently to getting a definitive NOT_FOUND
from all servers, so return MEMCACHED_CONNECTION_FAILURE to allow
- that.
+ that.
*/
- *error= MEMCACHED_CONNECTION_FAILURE;
- }
- else if (*error == MEMCACHED_SUCCESS)
- {
- *error= MEMCACHED_END;
- }
- else if (result->count == 0)
- {
- *error= MEMCACHED_NOTFOUND;
+ *error = MEMCACHED_CONNECTION_FAILURE;
+ } else if (timeouts) {
+ *error = MEMCACHED_TIMEOUT;
+ } else if (*error == MEMCACHED_SUCCESS) {
+ *error = MEMCACHED_END;
+ } else if (result->count == 0) {
+ *error = MEMCACHED_NOTFOUND;
}
/* We have completed reading data */
- if (memcached_is_allocated(result))
- {
+ if (memcached_is_allocated(result)) {
memcached_result_free(result);
- }
- else
- {
- result->count= 0;
+ } else {
+ result->count = 0;
memcached_string_reset(&result->value);
}
return NULL;
}
-memcached_return_t memcached_fetch_execute(memcached_st *shell,
- memcached_execute_fn *callback,
- void *context,
- uint32_t number_of_callbacks)
-{
- Memcached* ptr= memcached2Memcached(shell);
- memcached_result_st *result= &ptr->result;
+memcached_return_t memcached_fetch_execute(memcached_st *shell, memcached_execute_fn *callback,
+ void *context, uint32_t number_of_callbacks) {
+ Memcached *ptr = memcached2Memcached(shell);
+ memcached_result_st *result = &ptr->result;
memcached_return_t rc;
- bool some_errors= false;
+ bool some_errors = false;
- while ((result= memcached_fetch_result(ptr, result, &rc)))
- {
- if (memcached_failed(rc) and rc == MEMCACHED_NOTFOUND)
- {
+ while ((result = memcached_fetch_result(ptr, result, &rc))) {
+ if (memcached_failed(rc) and rc == MEMCACHED_NOTFOUND) {
continue;
- }
- else if (memcached_failed(rc))
- {
+ } else if (memcached_failed(rc)) {
memcached_set_error(*ptr, rc, MEMCACHED_AT);
- some_errors= true;
+ some_errors = true;
continue;
}
- for (uint32_t x= 0; x < number_of_callbacks; x++)
- {
- memcached_return_t ret= (*callback[x])(ptr, result, context);
- if (memcached_failed(ret))
- {
- some_errors= true;
+ for (uint32_t x = 0; x < number_of_callbacks; x++) {
+ memcached_return_t ret = (*callback[x])(ptr, result, context);
+ if (memcached_failed(ret)) {
+ some_errors = true;
memcached_set_error(*ptr, ret, MEMCACHED_AT);
break;
}
}
}
- if (some_errors)
- {
+ if (some_errors) {
return MEMCACHED_SOME_ERRORS;
}
// If we were able to run all keys without issue we return
// MEMCACHED_SUCCESS
- if (memcached_success(rc))
- {
+ if (memcached_success(rc)) {
return MEMCACHED_SUCCESS;
}
projects / awesomized / libmemcached / blobdiff